From d8b3250f85b7d93845caaaab7ebfdf653b11d3b3 Mon Sep 17 00:00:00 2001
From: Gift Amadi <120387225+giftexceed@users.noreply.github.com>
Date: Mon, 27 Jul 2026 22:04:16 +0000
Subject: [PATCH 1/3] fix(ci): repair workspace so Rust CI can build again

Every root-level cargo command failed on main, so all four Rust CI jobs
were red regardless of what a PR changed. The cause was a series of merge
commits resolved by accepting both sides, which duplicated content inside
several files. This repairs the workspace members and their dependencies.

Cargo.lock was unparseable: 238 packages appeared two or three times and
three entries had been spliced together, one package's header landing on
another's body. It was also stale, still carrying the whole server
dependency tree even though the workspace is three contract crates.
Regenerated, which takes it from ~710 packages to 181. ed25519-dalek is
pinned to 2.2.0 because 3.0 changed its CryptoRng bound and breaks
soroban-env-host 22.x.

emergency_guard had `#[contract]` applied twice, once bare and once via
cfg_attr, so the macro emitted EmergencyGuardClient and friends twice. It
also carried a second DefaultEmergencyGuard whose inherent methods
collided with the trait impl, a duplicated is_admin_public, an is_admin
that took &Address against a trait declaring Address, an unimported log
macro, and three storage writes referencing an undefined `pause_state`
with the correct `.set(...)` orphaned below an emit block. rotate_admin
never bound `threshold` and pushed the new admin a second time after the
loop had already substituted it.

staking_rewards had two functions truncated mid-body with an unrelated
signature spliced in, pause_staking and rotate_admin, which left the impl
block unclosed. PauseType::CLAIM_REWARDS was referenced in four places but
never defined. initialize called guard setup twice, and the second call
failed with AlreadyInitialized, so every test that touched setup() died on
error #1. PauseType was imported twice.

Three emergency_guard tests asserted InsufficientSignatures where the
implementation returns Unauthorized. All three supply a non-admin approver
while meeting the count threshold, and their names describe unauthorized
access, so the assertions were stale rather than the behaviour. Changing
the contract's error semantics belongs to whoever owns that feature, so
the tests were updated to match.

In staking_rewards/test.rs the body of test_granular_claim_rewards_pause
had been appended to test_granular_pause_staking, leaving one test headless
and the other staking tokens it had never minted. Both are restored.

Result: cargo check --locked --all-targets, cargo fmt --all --check,
cargo clippy --locked --all-targets --all-features -D warnings, and
cargo test --locked all pass. 54 tests, 0 failures.

Not fixed here: CI also runs `cargo build -p liquidity_pool`, but that
crate is not a workspace member and does not compile. Its lib.rs has been
inflated from ~1150 to 2905 lines by the same accept-both-sides merges,
including one statement with six duplicated transfer calls. Choosing which
side is canonical in a contract that moves funds is a maintainer decision,
so it is left alone and documented in the PR.
---
 Cargo.lock                                    | 6101 +----------------
 .../emergency_guard/examples/simple_token.rs  |    5 -
 contracts/emergency_guard/src/lib.rs          |  138 +-
 contracts/emergency_guard/src/test.rs         |   11 +-
 contracts/staking_rewards/src/lib.rs          |   40 +-
 contracts/staking_rewards/src/test.rs         |   36 +-
 6 files changed, 233 insertions(+), 6098 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 45e11e40..030b1d92 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -23,68 +23,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "anes"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
-
-[[package]]
-name = "anstream"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "824a212faf96e9acacdbd09febd34438f8f711fb84e09a8916013cd7815ca28d"
-dependencies = [
- "anstyle",
- "anstyle-parse",
- "anstyle-query",
- "anstyle-wincon",
- "colorchoice",
- "is_terminal_polyfill",
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle"
-version = "1.0.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000"
-
-[[package]]
-name = "anstyle-parse"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52ce7f38b242319f7cabaa6813055467063ecdc9d355bbb4ce0c68908cd8130e"
-dependencies = [
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle-query"
-version = "1.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
-dependencies = [
- "windows-sys 0.61.2",
-]
-
-[[package]]
-name = "anstyle-wincon"
-version = "3.0.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
-dependencies = [
- "anstyle",
- "once_cell_polyfill",
- "windows-sys 0.61.2",
-]
-
-[[package]]
-name = "anyhow"
-version = "1.0.102"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
-
 [[package]]
 name = "arbitrary"
 version = "1.3.2"
@@ -275,20 +213,14 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
-[[package]]
-name = "cast"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
-
 [[package]]
 name = "cc"
-version = "1.2.62"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1dce859f0832a7d088c4f1119888ab94ef4b5d6795d1ce05afb7fe159d79f98"
+checksum = "5add81bb678e6cb321aff7fa0dc7689ad82b112dbc032cea19f91d6b8e3582b9"
 dependencies = [
  "find-msvc-tools",
  "shlex",
@@ -302,9 +234,9 @@ checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
 [[package]]
 name = "chrono"
-version = "0.4.44"
+version = "0.4.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c673075a2e0e5f4a1dde27ce9dee1ea4558c7ffe648f576438a20ca1d2acc4b0"
+checksum = "1aa79e62e7697b8e29b513a68abacf485adcd1fe8284a4316c5ae868e6633327"
 dependencies = [
  "iana-time-zone",
  "num-traits",
@@ -312,121 +244,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "ciborium"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42e69ffd6f0917f5c029256a24d0161db17cea3997d185db0d35926308770f0e"
-dependencies = [
- "ciborium-io",
- "ciborium-ll",
- "serde",
-]
-
-[[package]]
-name = "ciborium-io"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05afea1e0a06c9be33d539b876f1ce3692f4afea2cb41f740e7743225ed1c757"
-
-[[package]]
-name = "ciborium-ll"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57663b653d948a338bfb3eeba9bb2fd5fcfaecb9e199e87e1eda4d9e8b240fd9"
-dependencies = [
- "ciborium-io",
- "half",
-]
-
-[[package]]
-name = "clap"
-version = "4.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ddb117e43bbf7dacf0a4190fef4d345b9bad68dfc649cb349e7d17d28428e51"
-dependencies = [
- "clap_builder",
- "clap_derive",
-]
-
-[[package]]
-name = "clap_builder"
-version = "4.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "714a53001bf66416adb0e2ef5ac857140e7dc3a0c48fb28b2f10762fc4b5069f"
-dependencies = [
- "anstream",
- "anstyle",
- "clap_lex",
- "strsim",
-]
-
-[[package]]
-name = "clap_derive"
-version = "4.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2ce8604710f6733aa641a2b3731eaa1e8b3d9973d5e3565da11800813f997a9"
-dependencies = [
- "heck 0.5.0",
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
-[[package]]
-name = "clap_lex"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8d4a3bb8b1e0c1050499d1815f5ab16d04f0959b233085fb31653fbfc9d98f9"
-
-[[package]]
-name = "colorchoice"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d07550c9036bf2ae0c684c4297d503f838287c83c53686d05370d0e139ae570"
-
-[[package]]
-name = "combine"
-version = "4.6.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba5a308b75df32fe02788e748662718f03fde005016435c444eea572398219fd"
-dependencies = [
- "bytes",
- "futures-core",
- "memchr",
- "pin-project-lite",
- "tokio",
- "tokio-util",
-]
-
-[[package]]
-name = "concurrent-queue"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ca0197aee26d1ae37445ee532fefce43251d24cc7c166799f4d46817f1d3973"
-dependencies = [
- "crossbeam-utils",
-]
-
-[[package]]
-name = "config"
-version = "0.14.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68578f196d2a33ff61b27fae256c3164f65e36382648e30666dde05b8cc9dfdf"
-dependencies = [
- "async-trait",
- "convert_case",
- "json5",
- "nom",
- "pathdiff",
- "ron",
- "rust-ini",
- "serde",
- "serde_json",
- "toml",
- "yaml-rust2",
-]
-
 [[package]]
 name = "const-oid"
 version = "0.9.6"
@@ -459,144 +276,6 @@ dependencies = [
  "serde_json",
 ]
 
-[[package]]
-name = "crc"
-version = "3.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5eb8a2a1cd12ab0d987a5d5e825195d372001a4094a0376319d5a0ad71c1ba0d"
-dependencies = [
- "crc-catalog",
-]
-
-[[package]]
-name = "crc-catalog"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "217698eaf96b4a3f0bc4f3662aaa55bdf913cd54d7204591faa790070c6d0853"
-
-[[package]]
-name = "crc32fast"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9481c1c90cbf2ac953f07c8d4a58aa3945c425b7185c9154d67a65e4230da511"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "criterion"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f"
-dependencies = [
- "anes",
- "cast",
- "ciborium",
- "clap",
- "criterion-plot",
- "is-terminal",
- "itertools",
- "num-traits",
- "once_cell",
- "oorandom",
- "plotters",
- "rayon",
- "regex",
- "serde",
- "serde_derive",
- "serde_json",
- "tinytemplate",
- "walkdir",
-]
-
-[[package]]
-name = "criterion-plot"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
-dependencies = [
- "cast",
- "itertools",
-]
-
-[[package]]
-name = "cross-call"
-version = "0.1.0"
-dependencies = [
- "soroban-sdk",
-]
-
-[[package]]
-name = "cross-chain-payload"
-version = "0.1.0"
-dependencies = [
- "soroban-sdk",
-]
-
-[[package]]
-name = "cross-chain-verifier"
-version = "0.1.0"
-dependencies = [
- "ed25519-dalek",
- "soroban-sdk",
-]
-
-[[package]]
-name = "crossbeam-channel"
-version = "0.5.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82b8f8f868b36967f9606790d1903570de9ceaf870a7bf9fbbd3016d636a2cb2"
-dependencies = [
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-deque"
-version = "0.8.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dd111b7b7f7d55b72c0a6ae361660ee5853c9af73f70c3c2ef6858b950e2e51"
-dependencies = [
- "crossbeam-epoch",
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.9.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
-dependencies = [
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-queue"
-version = "0.3.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f58bbc28f91df819d0aa2a2c00cd19754769c2fad90579b3592b1c9ba7a3115"
-dependencies = [
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.8.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
-
-[[package]]
-name = "crucible-example-gasless"
-version = "0.1.0"
-dependencies = [
- "soroban-sdk",
-]
-
-[[package]]
-name = "crunchy"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
-
 [[package]]
 name = "crypto-bigint"
 version = "0.5.5"
@@ -611,9 +290,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.1.7"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
  "typenum",
@@ -626,7 +305,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
 dependencies = [
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -653,7 +332,7 @@ checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -687,7 +366,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -700,7 +379,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -711,7 +390,7 @@ checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
 dependencies = [
  "darling_core 0.20.11",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -722,7 +401,7 @@ checksum = "ac3984ec7bd6cfa798e62b4a642426a5be0e68f9401cfc2a01e3fa9ea2fcdb8d"
 dependencies = [
  "darling_core 0.23.0",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -747,7 +426,6 @@ version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7cd812cc2bc1d69d4764bd80df88b4317eaef9e773c75226407d9bc0876b211c"
 dependencies = [
- "powerfmt",
  "serde_core",
 ]
 
@@ -770,7 +448,7 @@ checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -837,9 +515,9 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.16.0"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91622ff5e7162018101f2fea40d6ebf4a78bbe5a49736a2020649edf9693679e"
+checksum = "9e5e8f6c15a24b9a3ee5efec809ccd006d3b30e8b3bb63c39af737c7f87daa1d"
 
 [[package]]
 name = "elliptic-curve"
@@ -914,21 +592,21 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
 name = "futures-core"
-version = "0.3.32"
+version = "0.3.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e3450815272ef58cec6d564423f6e755e25379b217b0bc688e295ba24df6b1d"
+checksum = "2cd50c473c80f6d7c3670a752354b8e569b1a7cbfdc0419ec88e5edad85e0dc7"
 
 [[package]]
 name = "futures-task"
-version = "0.3.32"
+version = "0.3.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "037711b3d59c33004d3856fbdc83b99d4ff37a24768fa1be9ce3538a1cde4393"
+checksum = "b231ed28831efb4a61a08580c4bc233ec56bc009f4cd8f52da2c3cb97df0c109"
 
 [[package]]
 name = "futures-util"
-version = "0.3.32"
+version = "0.3.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "389ca41296e6190b48053de0321d02a77f32f8a5d2461dd38762c0593805c6d6"
+checksum = "a77a90a256fce34da66415271e30f94ee91c57b04b8a2c042d9cf3220179deaa"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -938,9 +616,9 @@ dependencies = [
 
 [[package]]
 name = "generic-array"
-version = "0.14.7"
+version = "0.14.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+checksum = "4bb6743198531e02858aeaea5398fcc883e71851fcbcb5a2f773e2fb6cb1edf2"
 dependencies = [
  "typenum",
  "version_check",
@@ -971,17 +649,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "half"
-version = "2.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ea2d84b969582b4b1864a92dc5d27cd2b77b622a8d79306834f1be5ba20d84b"
-dependencies = [
- "cfg-if",
- "crunchy",
- "zerocopy",
-]
-
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -1003,43 +670,6 @@ version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
 
-[[package]]
-name = "hashlink"
-version = "0.8.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8094feaf31ff591f651a2664fb9cfd92bba7a60ce3197265e9482ebe753c8f7"
-dependencies = [
- "hashbrown 0.14.5",
-]
-
-[[package]]
-name = "heck"
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-version = "3.20.0"
+version = "3.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b90c488738ecb4fb0262f41f43bc40efc5868d9fb744319ddf5f5317f417bfac"
+checksum = "84d57bc0c8b9a17920c178daa6bb924850d54a9c97ab45194bb8c17ad66bb660"
 dependencies = [
  "darling 0.23.0",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -6992,9 +1177,9 @@ dependencies = [
 
 [[package]]
 name = "shlex"
-version = "1.3.0"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+checksum = "f8fadd59c855ef2080decdef8ff161eb6661b86933c9d82e5ba29dc602a55aba"
 
 [[package]]
 name = "signature"
@@ -7014,9 +1199,9 @@ checksum = "0c790de23124f9ab44544d7ac05d60440adc586479ce501c1d6d7da3cd8c9cf5"
 
 [[package]]
 name = "smallvec"
-version = "1.15.1"
+version = "1.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
+checksum = "8ed6a63f02c8539c91a8685a86f4099661ba3da017932f6ebbea6de3f0fa7c90"
 
 [[package]]
 name = "soroban-builtin-sdk-macros"
@@ -7027,7 +1212,7 @@ dependencies = [
  "itertools",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -7107,7 +1292,7 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -7163,7 +1348,7 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -7190,7 +1375,7 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.117",
+ "syn 2.0.119",
  "thiserror",
 ]
 
@@ -7234,9 +1419,9 @@ dependencies = [
 
 [[package]]
 name = "spin"
-version = "0.9.8"
+version = "0.9.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+checksum = "3763264f6b73151db08c50ff20d7d8a0b8796e021cdea7ceedad07b80155fa0e"
 
 [[package]]
 name = "spki"
@@ -7306,9 +1491,20 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.117"
+version = "2.0.119"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "872831b642d1a07999a962a351ed35b955ea2cfc8f3862091e2a240a84f17297"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "syn"
+version = "3.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
+checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -7332,17 +1528,16 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
 name = "time"
-version = "0.3.47"
+version = "0.3.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "743bd48c283afc0388f9b8827b976905fb217ad9e647fae3a379a9283c4def2c"
+checksum = "3e1d5e639ff6bab73cb6885cc7e7b1de96c3f32c68ec55f3952614bec1092244"
 dependencies = [
  "deranged",
- "itoa",
  "num-conv",
  "powerfmt",
  "serde_core",
@@ -7352,15 +1547,15 @@ dependencies = [
 
 [[package]]
 name = "time-core"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7694e1cfe791f8d31026952abf09c69ca6f6fa4e1a1229e18988f06a04a12dca"
+checksum = "9e1c906769ad99c88eaa54e728060edef082f8e358ff32030cb7c7d315e81109"
 
 [[package]]
 name = "time-macros"
-version = "0.2.27"
+version = "0.2.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e70e4c5a0e0a8a4823ad65dfe1a6930e4f4d756dcd9dd7939022b5e8c501215"
+checksum = "7e689342a48d2ea927c87ea50cabf8594854bf940e9310208848d680d668ed85"
 dependencies = [
  "num-conv",
  "time-core",
@@ -7368,9 +1563,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec"
-version = "1.11.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e61e67053d25a4e82c844e8424039d9745781b3fc4f32b8d55ed50f5f667ef3"
+checksum = "bb4ebadaa0af04fab11ae01eb5f9fdb5f9c5b875506e210e71c07873528baa7f"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -7383,9 +1578,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "typenum"
-version = "1.20.0"
+version = "1.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40ce102ab67701b8526c123c1bab5cbe42d7040ccfd0f64af1a385808d2f43de"
+checksum = "b6f5e870be6c3b371b77fe0ee0bafb859fa4964b4404c27de1d380043c4dda20"
 
 [[package]]
 name = "unicode-ident"
@@ -7407,9 +1602,9 @@ checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.122"
+version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ed04576f974d2b2fba0f38c51dbc5518011e38c36bf1143164be765528fd409"
+checksum = "4b067c0c11094aef6b7a801c1e34a26affafdf3d051dba08456b868789aaf9a4"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -7420,9 +1615,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.122"
+version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "916151b09da36bd82f6615cbf3a419e2f0ba23a03c6160e8e92eb6bd4aa1dec6"
+checksum = "167ce5e579f6bcf889c4f7175a8a5a585de84e8ff93976ce393efa5f2837aab1"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -7430,22 +1625,22 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.122"
+version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "299047362ccbfce148b67ab7e73349f77748e00c8296f9542adfad2ad82c5c5e"
+checksum = "f3997c7839262f4ef12cf90b818d6340c18e80f263f1a94bf157d0ec4420380e"
 dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.122"
+version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a929b2c61f11ba3e9bc35b50c1f25cb38e0e892c0c231ae2b8cf78d5dad4437"
+checksum = "dc1b4cb0cc549fcf58d7dfc081778139b3d283a081644e833e84682ad71cea24"
 dependencies = [
  "unicode-ident",
 ]
@@ -7508,7 +1703,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -7519,7 +1714,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -7548,46 +1743,46 @@ dependencies = [
 
 [[package]]
 name = "zerocopy"
-version = "0.8.48"
+version = "0.8.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eed437bf9d6692032087e337407a86f04cd8d6a16a37199ed57949d415bd68e9"
+checksum = "b5a105cd7b140f6eeec8acff2ea38135d3cab283ada58540f629fe51e46696eb"
 dependencies = [
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.48"
+version = "0.8.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70e3cd084b1788766f53af483dd21f93881ff30d7320490ec3ef7526d203bad4"
+checksum = "0fe976fb70c78cd64cccfe3a6fc142244e8a77b70959b30faf9d0ac37ee228eb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
 name = "zeroize"
-version = "1.8.2"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
+checksum = "e13c156562582aa81c60cb29407084cdb54c4164760106ab78e6c5b0858cf64e"
 dependencies = [
  "zeroize_derive",
 ]
 
 [[package]]
 name = "zeroize_derive"
-version = "1.4.3"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85a5b4158499876c763cb03bc4e49185d3cccbabb15b33c627f7884f43db852e"
+checksum = "3c50655cbb0fe3fc43170059e702f1ce5e19b84cec58dc87b037a09935c2f328"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
 name = "zmij"
-version = "1.0.21"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
+checksum = "29666d0abbfad1e3dc4dcf6144730dd3a3ab225bbbdac83319345b1b44ccfc1b"
diff --git a/contracts/emergency_guard/examples/simple_token.rs b/contracts/emergency_guard/examples/simple_token.rs
index 73d8377a..3032b466 100644
--- a/contracts/emergency_guard/examples/simple_token.rs
+++ b/contracts/emergency_guard/examples/simple_token.rs
@@ -129,8 +129,6 @@ impl SimpleToken {
             .set(&DataKey::TotalSupply, &(supply - amount));
     }
 
-    pub fn get_pause_state(env: Env) -> u32 {
-        EmergencyGuard::get_pause_state(env)
     // ==== EMERGENCY GUARD FUNCTIONS ====
 
     /// Pause only transfers (minting and burning still work)
@@ -145,7 +143,6 @@ impl SimpleToken {
 
     /// Resume transfers
     pub fn resume_transfers(env: Env) {
-        DefaultEmergencyGuard::unpause(&env, PauseType::TRANSFER).expect("Unauthorized");
         let admin: Address = env
             .storage()
             .instance()
@@ -231,8 +228,6 @@ impl SimpleToken {
         EmergencyGuard::get_threshold(env)
     }
 
-    }
-
     /// Add new admin (requires existing admin authorization)
     pub fn add_admin(env: Env, new_admin: Address) {
         let admin: Address = env
diff --git a/contracts/emergency_guard/src/lib.rs b/contracts/emergency_guard/src/lib.rs
index 15164e78..dae0e36c 100644
--- a/contracts/emergency_guard/src/lib.rs
+++ b/contracts/emergency_guard/src/lib.rs
@@ -2,7 +2,7 @@
 
 #[cfg(feature = "contract")]
 use soroban_sdk::{contract, contractimpl};
-use soroban_sdk::{contracterror, contracttype, Address, Env, String, Vec};
+use soroban_sdk::{contracterror, contracttype, log, Address, Env, String, Vec};
 
 /// Granular pause types using bitmask for efficient storage
 #[contracttype]
@@ -19,6 +19,8 @@ impl PauseType {
     pub const CREATE_PAIR: u32 = 1 << 6;
     /// Pause staking operations
     pub const STAKE: u32 = 1 << 7;
+    /// Pause reward claims independently of the global paused flag
+    pub const CLAIM_REWARDS: u32 = 1 << 8;
 
     pub fn new(value: u32) -> Self {
         PauseType(value)
@@ -230,7 +232,6 @@ pub fn emit_admin_removed(e: &Env, approvers: &Vec<Address>, admin: &Address) {
     );
 }
 
-#[contract]
 #[cfg_attr(feature = "contract", contract)]
 pub struct EmergencyGuard;
 
@@ -309,7 +310,7 @@ impl EmergencyGuard {
         state.set_paused(operation, paused);
         env.storage()
             .instance()
-            .set(&GuardDataKey::PauseState, &pause_state);
+            .set(&GuardDataKey::PauseState, &state);
 
         emit_guard_event(
             &env,
@@ -329,7 +330,6 @@ impl EmergencyGuard {
             operation,
             paused
         );
-            .set(&GuardDataKey::PauseState, &state);
         emit_pause_state_changed(&env, &admin, operation, paused);
         Ok(())
     }
@@ -341,7 +341,7 @@ impl EmergencyGuard {
         state.pause_all();
         env.storage()
             .instance()
-            .set(&GuardDataKey::PauseState, &pause_state);
+            .set(&GuardDataKey::PauseState, &state);
 
         emit_guard_event(
             &env,
@@ -355,7 +355,6 @@ impl EmergencyGuard {
                 approver_count: approvers.len(),
             },
         );
-            .set(&GuardDataKey::PauseState, &state);
         emit_emergency_paused_all(&env, &approvers);
         Ok(())
     }
@@ -365,7 +364,7 @@ impl EmergencyGuard {
         Self::check_multi_sig(&env, &approvers)?;
         env.storage()
             .instance()
-            .set(&GuardDataKey::PauseState, &pause_state);
+            .set(&GuardDataKey::PauseState, &PauseType::new(0));
 
         emit_guard_event(
             &env,
@@ -379,7 +378,6 @@ impl EmergencyGuard {
                 approver_count: approvers.len(),
             },
         );
-            .set(&GuardDataKey::PauseState, &PauseType::new(0));
         emit_resumed_all(&env, &approvers);
         Ok(())
     }
@@ -439,7 +437,9 @@ impl EmergencyGuard {
             return Err(GuardError::AdminNotFound);
         }
 
-        env.storage().instance().set(&GuardDataKey::Admins, &new_admins);
+        env.storage()
+            .instance()
+            .set(&GuardDataKey::Admins, &new_admins);
         emit_guard_event(
             &env,
             EmergencyGuardEvent {
@@ -467,6 +467,7 @@ impl EmergencyGuard {
         new_admin: Address,
     ) -> Result<(), GuardError> {
         Self::check_multi_sig(&env, &approvers)?;
+        let threshold = Self::get_threshold(env.clone());
         let admins = Self::get_admins(env.clone());
         let mut new_admins = Vec::new(&env);
         let mut found = false;
@@ -484,13 +485,13 @@ impl EmergencyGuard {
             return Err(GuardError::AdminNotFound);
         }
 
-        new_admins.push_back(new_admin.clone());
-
-        if (new_admins.len() as u32) < threshold {
+        if new_admins.len() < threshold {
             return Err(GuardError::InvalidThreshold);
         }
 
-        env.storage().instance().set(&GuardDataKey::Admins, &new_admins);
+        env.storage()
+            .instance()
+            .set(&GuardDataKey::Admins, &new_admins);
         emit_guard_event(
             &env,
             EmergencyGuardEvent {
@@ -581,11 +582,6 @@ impl EmergencyGuard {
             Ok(())
         }
     }
-
-    /// Public method to check if an address is an admin
-    pub fn is_admin_public(env: Env, addr: Address) -> bool {
-        Self::is_admin_internal(&env, &addr)
-    }
 }
 
 /// Default implementation of EmergencyGuardTrait using static methods
@@ -690,7 +686,7 @@ impl EmergencyGuardTrait for DefaultEmergencyGuard {
         }
 
         // Verify threshold is valid
-        if threshold == 0 || threshold > admins.len() as u32 {
+        if threshold == 0 || threshold > admins.len() {
             return Err(GuardError::InvalidThreshold);
         }
 
@@ -731,7 +727,7 @@ impl EmergencyGuardTrait for DefaultEmergencyGuard {
         let admins = Self::get_admins(env);
         let threshold = Self::get_threshold(env);
 
-        if admins.len() as u32 <= threshold {
+        if admins.len() <= threshold {
             return Err(GuardError::InvalidThreshold);
         }
 
@@ -749,7 +745,9 @@ impl EmergencyGuardTrait for DefaultEmergencyGuard {
             return Err(GuardError::AdminNotFound);
         }
 
-        env.storage().instance().set(&GuardDataKey::Admins, &new_admins);
+        env.storage()
+            .instance()
+            .set(&GuardDataKey::Admins, &new_admins);
         log!(env, "Admin removed: {}", admin);
         Ok(())
     }
@@ -771,21 +769,26 @@ impl EmergencyGuardTrait for DefaultEmergencyGuard {
     }
 
     /// Check if address is an admin
-    fn is_admin(env: &Env, addr: &Address) -> bool {
+    fn is_admin(env: &Env, addr: Address) -> bool {
         let admins: Vec<Address> = env
             .storage()
             .instance()
             .get(&GuardDataKey::Admins)
             .unwrap_or_else(|| Vec::new(env));
 
-        admins.iter().any(|a| a == *addr)
+        admins.iter().any(|a| a == addr)
     }
 
     /// Rotate admin (multi-sig required)
-    fn rotate_admin(env: &Env, approvers: Vec<Address>, old_admin: Address, new_admin: Address) -> Result<(), GuardError> {
+    fn rotate_admin(
+        env: &Env,
+        approvers: Vec<Address>,
+        old_admin: Address,
+        new_admin: Address,
+    ) -> Result<(), GuardError> {
         EmergencyGuard::check_multi_sig(env, &approvers)?;
 
-        let mut admins = Self::get_admins(env);
+        let admins = Self::get_admins(env);
         let threshold = Self::get_threshold(env);
 
         let mut found = false;
@@ -804,11 +807,13 @@ impl EmergencyGuardTrait for DefaultEmergencyGuard {
 
         new_admins.push_back(new_admin.clone());
 
-        if (new_admins.len() as u32) < threshold {
+        if new_admins.len() < threshold {
             return Err(GuardError::InvalidThreshold);
         }
 
-        env.storage().instance().set(&GuardDataKey::Admins, &new_admins);
+        env.storage()
+            .instance()
+            .set(&GuardDataKey::Admins, &new_admins);
         log!(env, "Admin rotated: {} to {}", old_admin, new_admin);
         Ok(())
     }
@@ -906,82 +911,3 @@ pub trait EmergencyGuardTrait {
     fn get_threshold(env: &Env) -> u32;
     fn is_admin(env: &Env, addr: Address) -> bool;
 }
-
-pub struct DefaultEmergencyGuard;
-
-impl DefaultEmergencyGuard {
-    pub fn check_not_paused(env: &Env, operation: u32) -> Result<(), GuardError> {
-        if EmergencyGuard::is_paused(env.clone(), operation) {
-            Err(GuardError::Paused)
-        } else {
-            Ok(())
-        }
-    }
-    pub fn get_pause_state(env: &Env) -> u32 {
-        EmergencyGuard::get_pause_state(env.clone())
-    }
-    pub fn set_pause_state(env: &Env, operation: u32, paused: bool) -> Result<(), GuardError> {
-        let admins = EmergencyGuard::get_admins(env.clone());
-        if let Some(admin) = admins.get(0) {
-            EmergencyGuard::set_pause(env.clone(), admin, operation, paused)
-        } else {
-            Err(GuardError::Unauthorized)
-        }
-    }
-    pub fn unpause(env: &Env, operation: u32) -> Result<(), GuardError> {
-        let admins = EmergencyGuard::get_admins(env.clone());
-        if let Some(admin) = admins.get(0) {
-            EmergencyGuard::set_pause(env.clone(), admin, operation, false)
-        } else {
-            Err(GuardError::Unauthorized)
-        }
-    }
-    pub fn unpause_all(env: &Env) -> Result<(), GuardError> {
-        let admins = EmergencyGuard::get_admins(env.clone());
-        if let Some(admin) = admins.get(0) {
-            EmergencyGuard::set_pause(env.clone(), admin, u32::MAX, false)
-        } else {
-            Err(GuardError::Unauthorized)
-        }
-    }
-    pub fn emergency_pause_all(env: &Env, approvers: Vec<Address>) -> Result<(), GuardError> {
-        EmergencyGuard::emergency_pause(env.clone(), approvers)
-    }
-    pub fn resume_all(env: &Env, approvers: Vec<Address>) -> Result<(), GuardError> {
-        EmergencyGuard::resume(env.clone(), approvers)
-    }
-    pub fn init_guard(env: &Env, admins: Vec<Address>, threshold: u32) -> Result<(), GuardError> {
-        EmergencyGuard::initialize(env.clone(), admins, threshold)
-    }
-    pub fn add_admin(
-        env: &Env,
-        approvers: Vec<Address>,
-        new_admin: Address,
-    ) -> Result<(), GuardError> {
-        EmergencyGuard::add_admin(env.clone(), approvers, new_admin)
-    }
-    pub fn remove_admin(
-        env: &Env,
-        approvers: Vec<Address>,
-        admin: Address,
-    ) -> Result<(), GuardError> {
-        EmergencyGuard::remove_admin(env.clone(), approvers, admin)
-    }
-    pub fn rotate_admin(
-        env: &Env,
-        approvers: Vec<Address>,
-        old_admin: Address,
-        new_admin: Address,
-    ) -> Result<(), GuardError> {
-        EmergencyGuard::rotate_admin(env.clone(), approvers, old_admin, new_admin)
-    }
-    pub fn get_admins(env: &Env) -> Vec<Address> {
-        EmergencyGuard::get_admins(env.clone())
-    }
-    pub fn get_threshold(env: &Env) -> u32 {
-        EmergencyGuard::get_threshold(env.clone())
-    }
-    pub fn is_admin(env: &Env, addr: Address) -> bool {
-        EmergencyGuard::is_admin_public(env.clone(), addr)
-    }
-}
diff --git a/contracts/emergency_guard/src/test.rs b/contracts/emergency_guard/src/test.rs
index 5868cbce..0d520d39 100644
--- a/contracts/emergency_guard/src/test.rs
+++ b/contracts/emergency_guard/src/test.rs
@@ -210,7 +210,9 @@ fn test_add_admin_fails_with_non_admin_approvers() {
     let outsider = Address::generate(&env);
     let approvers = vec![&env, outsider];
     let result = client.try_add_admin(&approvers, &new_admin);
-    assert_eq!(result, Err(Ok(GuardError::InsufficientSignatures)));
+    // Approver count meets the threshold, so this fails on the approver not
+    // being an admin rather than on the signature count.
+    assert_eq!(result, Err(Ok(GuardError::Unauthorized)));
 }
 
 #[test]
@@ -290,7 +292,8 @@ fn test_unauthorized_admin_removal() {
     let outsider = Address::generate(&env);
     let approvers = vec![&env, outsider];
     let result = client.try_remove_admin(&approvers, &admins[1]);
-    assert_eq!(result, Err(Ok(GuardError::InsufficientSignatures)));
+    // The outsider satisfies the count but is not an admin.
+    assert_eq!(result, Err(Ok(GuardError::Unauthorized)));
 }
 
 // ─── Full rotation cycle ─────────────────────────────────────────────────────
@@ -358,7 +361,9 @@ fn test_removed_admin_cannot_approve_operations() {
     let new_admin = Address::generate(&env);
     let bad_approvers = vec![&env, admins[2].clone()];
     let result = client.try_add_admin(&bad_approvers, &new_admin);
-    assert_eq!(result, Err(Ok(GuardError::InsufficientSignatures)));
+    // Once removed, the former admin is rejected as unauthorized rather than
+    // counting toward the signature threshold.
+    assert_eq!(result, Err(Ok(GuardError::Unauthorized)));
 }
 
 #[test]
diff --git a/contracts/staking_rewards/src/lib.rs b/contracts/staking_rewards/src/lib.rs
index f6a85e99..32dbfd32 100644
--- a/contracts/staking_rewards/src/lib.rs
+++ b/contracts/staking_rewards/src/lib.rs
@@ -1,10 +1,9 @@
 #![no_std]
-use soroban_sdk::{contract, contractimpl, contracttype, token, Address, Env, String, Vec, vec};
+use soroban_sdk::{contract, contractimpl, contracttype, token, Address, Env, String, Vec};
 
-use emergency_guard::{EmergencyGuard, PauseType};
+use emergency_guard::{DefaultEmergencyGuard, EmergencyGuard, EmergencyGuardTrait, PauseType};
 pub use soroscope_error_codes::ContractError;
 use soroscope_math::Fixed;
-use emergency_guard::{DefaultEmergencyGuard, PauseType, EmergencyGuardTrait};
 
 pub const SCALE: i128 = 1_000_000_000_000_000_000; // 18 decimals
 
@@ -250,10 +249,6 @@ impl StakingRewards {
         e.storage().instance().set(&DataKey::TotalStaked, &0i128);
         e.storage().instance().extend_ttl(10000, 10000);
 
-        // Initialize emergency guard with single admin and threshold of 1
-        let admins = vec![&e, owner.clone()];
-        DefaultEmergencyGuard::init_guard(&e, admins, 1)
-            .map_err(|_| ContractError::AlreadyInitialized)?;
         // Initialize the embedded EmergencyGuard so granular pause checks
         // (e.g. PauseType::CLAIM_REWARDS) can be toggled by the owner.
         // Threshold of 1 means the single owner can trigger any pause.
@@ -496,9 +491,6 @@ impl StakingRewards {
     /// Pause staking operations (admin only).
     pub fn pause_staking(e: Env) -> Result<(), ContractError> {
         let config = Self::get_config(e.clone())?;
-    /// Sets the global paused state (owner only).
-    pub fn set_paused(e: Env, paused: bool) -> Result<(), ContractError> {
-        let mut config = Self::get_config(e.clone())?;
         config.owner.require_auth();
 
         DefaultEmergencyGuard::set_pause_state(&e, PauseType::STAKE, true)
@@ -543,8 +535,7 @@ impl StakingRewards {
 
     /// Resume all paused operations (requires multi-sig approval).
     pub fn resume_all(e: Env, approvers: Vec<Address>) -> Result<(), ContractError> {
-        DefaultEmergencyGuard::resume_all(&e, approvers)
-            .map_err(|_| ContractError::Paused)?;
+        DefaultEmergencyGuard::resume_all(&e, approvers).map_err(|_| ContractError::Paused)?;
 
         e.events().publish(
             (String::from_str(&e, "resume_all"),),
@@ -577,20 +568,35 @@ impl StakingRewards {
     }
 
     /// Add new admin (multi-sig required).
-    pub fn add_admin(e: Env, approvers: Vec<Address>, new_admin: Address) -> Result<(), ContractError> {
+    pub fn add_admin(
+        e: Env,
+        approvers: Vec<Address>,
+        new_admin: Address,
+    ) -> Result<(), ContractError> {
         DefaultEmergencyGuard::add_admin(&e, approvers, new_admin)
             .map_err(|_| ContractError::Paused)
     }
 
     /// Remove admin (multi-sig required).
-    pub fn remove_admin(e: Env, approvers: Vec<Address>, admin: Address) -> Result<(), ContractError> {
-        DefaultEmergencyGuard::remove_admin(&e, approvers, admin)
-            .map_err(|_| ContractError::Paused)
+    pub fn remove_admin(
+        e: Env,
+        approvers: Vec<Address>,
+        admin: Address,
+    ) -> Result<(), ContractError> {
+        DefaultEmergencyGuard::remove_admin(&e, approvers, admin).map_err(|_| ContractError::Paused)
     }
 
     /// Rotate admin (multi-sig required).
-    pub fn rotate_admin(e: Env, approvers: Vec<Address>, old_admin: Address, new_admin: Address) -> Result<(), ContractError> {
+    pub fn rotate_admin(
+        e: Env,
+        approvers: Vec<Address>,
+        old_admin: Address,
+        new_admin: Address,
+    ) -> Result<(), ContractError> {
         DefaultEmergencyGuard::rotate_admin(&e, approvers, old_admin, new_admin)
+            .map_err(|_| ContractError::Paused)
+    }
+
     /// Granularly pause or unpause the claim_rewards operation (owner only).
     /// This is independent of the global `is_paused` flag and uses the
     /// embedded EmergencyGuard bitmask (PauseType::CLAIM_REWARDS).
diff --git a/contracts/staking_rewards/src/test.rs b/contracts/staking_rewards/src/test.rs
index 4d182734..e0999471 100644
--- a/contracts/staking_rewards/src/test.rs
+++ b/contracts/staking_rewards/src/test.rs
@@ -292,11 +292,6 @@ fn test_pause_safeguards_claim() {
 
 #[test]
 fn test_successful_withdrawal() {
-/// Verifies that the CLAIM_REWARDS granular pause blocks claims independently
-/// of the global `is_paused` flag, satisfying issue #463 acceptance criteria.
-#[test]
-#[should_panic(expected = "Contract, #14")]
-fn test_granular_claim_rewards_pause() {
     let (e, client, _, staking_token, _) = setup();
     let user = Address::generate(&e);
 
@@ -318,6 +313,28 @@ fn test_granular_claim_rewards_pause() {
     assert_eq!(token_balance, STAKE_AMOUNT);
 }
 
+/// Verifies that the CLAIM_REWARDS granular pause blocks claims independently
+/// of the global `is_paused` flag, satisfying issue #463 acceptance criteria.
+#[test]
+#[should_panic(expected = "Contract, #14")]
+fn test_granular_claim_rewards_pause() {
+    let (e, client, _, staking_token, _) = setup();
+    let user = Address::generate(&e);
+
+    let staking_client = token::StellarAssetClient::new(&e, &staking_token);
+    staking_client.mint(&user, &STAKE_AMOUNT);
+
+    client.stake(&user, &STAKE_AMOUNT);
+    advance_ledger(&e, 5);
+
+    // Activate CLAIM_REWARDS granular pause via the contract's delegation function.
+    // Global is_paused remains false — only the granular bitmask bit is set.
+    client.set_claim_rewards_paused(&true);
+
+    // Claim MUST fail with ContractError::Paused (error code 14).
+    client.claim(&user);
+}
+
 #[test]
 fn test_partial_withdrawal() {
     let (e, client, _, staking_token, _) = setup();
@@ -485,13 +502,4 @@ fn test_granular_pause_staking() {
     // Stake should work again after resume
     client.stake(&user, &STAKE_AMOUNT);
     assert_eq!(client.get_staked_balance(&user), STAKE_AMOUNT * 2);
-    client.stake(&user, &STAKE_AMOUNT);
-    advance_ledger(&e, 5);
-
-    // Activate CLAIM_REWARDS granular pause via the contract's delegation function.
-    // Global is_paused remains false — only the granular bitmask bit is set.
-    client.set_claim_rewards_paused(&true);
-
-    // Claim MUST fail with ContractError::Paused (error code 14).
-    client.claim(&user);
 }

From 5171868c2b8a0eaab4820e95df87298831c24d93 Mon Sep 17 00:00:00 2001
From: Gift Amadi <120387225+giftexceed@users.noreply.github.com>
Date: Tue, 28 Jul 2026 12:40:17 +0000
Subject: [PATCH 2/3] feature(pool-slippage): add min_amount_out slippage
 protection to swaps

Issue #650. The pool only offered an exact-output swap, `swap(to, buy_a, out,
in_max)`, where the caller fixes the output and caps the input. A trader who
wants to sell a fixed amount had no entry point and had to guess `out`, so the
one quantity they could not bound was the one an attacker moves: front-running
the transaction leaves the same input returning far less.

Adds `swap_exact_in(to, buy_a, amount_in, min_amount_out)`. It quotes the output
from live reserves and the current fee, then refuses the trade with
`SlippageExceeded` unless `amount_out >= min_amount_out`, before any tokens
move. Returns the output actually delivered. `min_amount_out = 0` opts out.

`swap` keeps its signature. Its output is fixed by the caller and delivered
exactly or not at all, so a minimum-output parameter there would be satisfied by
construction; `in_max` is already that direction's bound. Documented rather than
duplicated.

Also adds the read-only quotes callers need to pick a floor: `get_amount_out`,
`get_amount_in` and `get_reserves`. Both swap directions now share
`amount_out_for_in` / `amount_in_for_out` and a `settle_swap` helper, so the
transfer-and-reserve-update path exists once. Division truncates toward the pool
in both directions, and a test asserts the constant product never weakens.

New error `InvalidAmount = 15` for a non-positive `amount_in` or a negative
`min_amount_out`; a negative floor would silently disable the check. Existing
codes are untouched.

11 tests cover the quoted-output path, both directions, a rejected floor leaving
state untouched, a full front-run sandwich, the zero-minimum opt-out, invalid
amounts, an input too small to fill, pause interaction, the fee's effect on a
quote, and the quote round trip.

Prerequisite repairs, without which none of the above could build or run:

liquidity_pool was not a workspace member and did not compile, so CI's
`cargo build -p liquidity_pool` had nothing to build. Its lib.rs had been
inflated from ~1150 to 2905 lines by merges resolved by accepting both sides:
the Error enum carried three overlapping copies with conflicting codes, PoolState
and DataKey were each declared four times, and `withdraw` had six duplicated
transfer calls. The last clean revision is 3e50a23, which holds the full public
API and is the second parent of the merge that broke it, so lib.rs is restored
from there and re-added to the workspace. That revision needed two fixes of its
own: a duplicated `get_pause_mask`, and `remove_guard_admin` resolving to the
trait's `remove_admin` instead of the inherent one.

test.rs had the same damage in two blocks. `test_emergency_guard_trait_impl`
called `init_guard` on an already-initialized guard and then made twelve
assertions through direct `<LiquidityPool as EmergencyGuardTrait>` calls, which
touch instance storage outside any contract frame; both forms are restored to
the client-based assertions that work. `test_granular_pause_operations` called a
two-argument `guard_unpause` that no version of the contract has.

Four behaviour gaps the newer tests already asserted, all previously masked by
the crate not compiling:

- `set_paused` looped over four pause bits, calling `require_auth` on the same
  admin each time, which the host rejects as `Auth(ExistingValue)`. It now
  applies one combined mask, extended to cover STAKE and CLAIM_REWARDS so it
  pauses what its name claims.
- `stake`, `unstake` and `claim_rewards` had no pause check at all.
- Rewards never accrued. `update_reward_state` defaulted a missing
  `LastRewardLedger` to the current ledger and returned early without storing
  it, so `current <= last` held forever. The checkpoint is now seeded on the
  first staking action, and the accumulator is projected by a read-only helper
  so `get_pending_rewards` reports accrual without writing.
- Removing or rotating the primary admin left `DataKey::Admin` pointing at an
  address that was no longer a guard admin. Both paths now hand the role to a
  surviving admin, and membership and threshold refusals report `Unauthorized`.

Test snapshots are regenerated; they were stale from the mangled revision and
still referenced its GuardAdmins/GuardThreshold storage keys.

cargo fmt --all --check, cargo check --locked --all-targets, cargo clippy
--locked --all-targets --all-features -D warnings, cargo build -p liquidity_pool
--target wasm32-unknown-unknown --release and cargo test --locked all pass.
113 tests, 0 failures, 59 of them in liquidity_pool.
---
 Cargo.lock                                    |  263 +-
 Cargo.toml                                    |    1 +
 contracts/liquidity_pool/README.md            |   71 +
 contracts/liquidity_pool/src/lib.rs           | 2263 +++--------------
 contracts/liquidity_pool/src/test.rs          |  341 ++-
 .../fuzz_test/test_swap_invariant.1.json      |  154 +-
 .../fuzz_test/test_swap_invariant.10.json     |   58 +-
 .../fuzz_test/test_swap_invariant.100.json    |  154 +-
 .../fuzz_test/test_swap_invariant.101.json    |  154 +-
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 .../fuzz_test/test_swap_invariant.24.json     |  154 +-
 .../fuzz_test/test_swap_invariant.240.json    |   58 +-
 .../fuzz_test/test_swap_invariant.241.json    |  154 +-
 .../fuzz_test/test_swap_invariant.242.json    |   58 +-
 .../fuzz_test/test_swap_invariant.243.json    |   58 +-
 .../fuzz_test/test_swap_invariant.244.json    |  101 +-
 .../fuzz_test/test_swap_invariant.245.json    |   58 +-
 .../fuzz_test/test_swap_invariant.246.json    |   58 +-
 .../fuzz_test/test_swap_invariant.247.json    |  154 +-
 .../fuzz_test/test_swap_invariant.248.json    |   58 +-
 .../fuzz_test/test_swap_invariant.249.json    |  119 +-
 .../fuzz_test/test_swap_invariant.25.json     |  154 +-
 .../fuzz_test/test_swap_invariant.250.json    |   70 +-
 .../fuzz_test/test_swap_invariant.251.json    |  154 +-
 .../fuzz_test/test_swap_invariant.252.json    |   70 +-
 .../fuzz_test/test_swap_invariant.253.json    |  154 +-
 .../fuzz_test/test_swap_invariant.254.json    |   58 +-
 .../fuzz_test/test_swap_invariant.255.json    |  154 +-
 .../fuzz_test/test_swap_invariant.256.json    |  154 +-
 .../fuzz_test/test_swap_invariant.26.json     |   66 +-
 .../fuzz_test/test_swap_invariant.27.json     |  154 +-
 .../fuzz_test/test_swap_invariant.28.json     |  154 +-
 .../fuzz_test/test_swap_invariant.29.json     |   58 +-
 .../fuzz_test/test_swap_invariant.3.json      |  154 +-
 .../fuzz_test/test_swap_invariant.30.json     |   58 +-
 .../fuzz_test/test_swap_invariant.31.json     |  154 +-
 .../fuzz_test/test_swap_invariant.32.json     |   58 +-
 .../fuzz_test/test_swap_invariant.33.json     |   58 +-
 .../fuzz_test/test_swap_invariant.34.json     |  154 +-
 .../fuzz_test/test_swap_invariant.35.json     |  154 +-
 .../fuzz_test/test_swap_invariant.36.json     |   58 +-
 .../fuzz_test/test_swap_invariant.37.json     |  119 +-
 .../fuzz_test/test_swap_invariant.38.json     |   66 +-
 .../fuzz_test/test_swap_invariant.39.json     |   58 +-
 .../fuzz_test/test_swap_invariant.4.json      |  119 +-
 .../fuzz_test/test_swap_invariant.40.json     |   58 +-
 .../fuzz_test/test_swap_invariant.41.json     |  154 +-
 .../fuzz_test/test_swap_invariant.42.json     |  154 +-
 .../fuzz_test/test_swap_invariant.43.json     |   58 +-
 .../fuzz_test/test_swap_invariant.44.json     |   58 +-
 .../fuzz_test/test_swap_invariant.45.json     |   58 +-
 .../fuzz_test/test_swap_invariant.46.json     |   58 +-
 .../fuzz_test/test_swap_invariant.47.json     |   58 +-
 .../fuzz_test/test_swap_invariant.48.json     |  154 +-
 .../fuzz_test/test_swap_invariant.49.json     |  154 +-
 .../fuzz_test/test_swap_invariant.5.json      |   70 +-
 .../fuzz_test/test_swap_invariant.50.json     |   58 +-
 .../fuzz_test/test_swap_invariant.51.json     |   58 +-
 .../fuzz_test/test_swap_invariant.52.json     |  154 +-
 .../fuzz_test/test_swap_invariant.53.json     |  154 +-
 .../fuzz_test/test_swap_invariant.54.json     |   58 +-
 .../fuzz_test/test_swap_invariant.55.json     |  158 +-
 .../fuzz_test/test_swap_invariant.56.json     |  119 +-
 .../fuzz_test/test_swap_invariant.57.json     |   70 +-
 .../fuzz_test/test_swap_invariant.58.json     |  154 +-
 .../fuzz_test/test_swap_invariant.59.json     |   58 +-
 .../fuzz_test/test_swap_invariant.6.json      |  154 +-
 .../fuzz_test/test_swap_invariant.60.json     |  154 +-
 .../fuzz_test/test_swap_invariant.61.json     |   58 +-
 .../fuzz_test/test_swap_invariant.62.json     |   58 +-
 .../fuzz_test/test_swap_invariant.63.json     |   58 +-
 .../fuzz_test/test_swap_invariant.64.json     |   58 +-
 .../fuzz_test/test_swap_invariant.65.json     |  154 +-
 .../fuzz_test/test_swap_invariant.66.json     |  154 +-
 .../fuzz_test/test_swap_invariant.67.json     |   58 +-
 .../fuzz_test/test_swap_invariant.68.json     |   58 +-
 .../fuzz_test/test_swap_invariant.69.json     |  105 +-
 .../fuzz_test/test_swap_invariant.7.json      |   58 +-
 .../fuzz_test/test_swap_invariant.70.json     |  154 +-
 .../fuzz_test/test_swap_invariant.71.json     |  154 +-
 .../fuzz_test/test_swap_invariant.72.json     |   58 +-
 .../fuzz_test/test_swap_invariant.73.json     |   58 +-
 .../fuzz_test/test_swap_invariant.74.json     |  119 +-
 .../fuzz_test/test_swap_invariant.75.json     |   58 +-
 .../fuzz_test/test_swap_invariant.76.json     |   58 +-
 .../fuzz_test/test_swap_invariant.77.json     |  154 +-
 .../fuzz_test/test_swap_invariant.78.json     |  154 +-
 .../fuzz_test/test_swap_invariant.79.json     |   58 +-
 .../fuzz_test/test_swap_invariant.8.json      |  119 +-
 .../fuzz_test/test_swap_invariant.80.json     |   58 +-
 .../fuzz_test/test_swap_invariant.81.json     |  154 +-
 .../fuzz_test/test_swap_invariant.82.json     |   58 +-
 .../fuzz_test/test_swap_invariant.83.json     |   58 +-
 .../fuzz_test/test_swap_invariant.84.json     |  154 +-
 .../fuzz_test/test_swap_invariant.85.json     |   58 +-
 .../fuzz_test/test_swap_invariant.86.json     |  119 +-
 .../fuzz_test/test_swap_invariant.87.json     |   58 +-
 .../fuzz_test/test_swap_invariant.88.json     |   58 +-
 .../fuzz_test/test_swap_invariant.89.json     |   58 +-
 .../fuzz_test/test_swap_invariant.9.json      |   58 +-
 .../fuzz_test/test_swap_invariant.90.json     |  154 +-
 .../fuzz_test/test_swap_invariant.91.json     |  154 +-
 .../fuzz_test/test_swap_invariant.92.json     |  154 +-
 .../fuzz_test/test_swap_invariant.93.json     |   58 +-
 .../fuzz_test/test_swap_invariant.94.json     |  154 +-
 .../fuzz_test/test_swap_invariant.95.json     |   58 +-
 .../fuzz_test/test_swap_invariant.96.json     |  154 +-
 .../fuzz_test/test_swap_invariant.97.json     |  154 +-
 .../fuzz_test/test_swap_invariant.98.json     |   58 +-
 .../fuzz_test/test_swap_invariant.99.json     |   58 +-
 .../test_snapshots/test/test_approve.1.json   |   22 +-
 .../test/test_approve_expired.1.json          |   22 +-
 .../test/test_basic_flow.1.json               |   22 +-
 .../test_snapshots/test/test_burn.1.json      |   22 +-
 .../test/test_burn_insufficient_shares.1.json |   22 +-
 .../test/test_deposit_when_paused.1.json      |   84 +-
 .../test/test_deposit_zero_amount.1.json      |   22 +-
 .../test/test_double_initialization.1.json    |   22 +-
 .../test_snapshots/test/test_events.1.json    |   22 +-
 .../test/test_get_fee_default.1.json          |   22 +-
 .../test/test_pause_and_unpause.1.json        |  270 +-
 .../test/test_set_fee_above_max.1.json        |   22 +-
 .../test/test_set_fee_valid.1.json            |   24 +-
 .../test_swap_insufficient_liquidity.1.json   |   22 +-
 .../test/test_swap_slippage_exceeded.1.json   |   22 +-
 .../test/test_swap_when_paused.1.json         |   84 +-
 .../test/test_token_interface.1.json          |   22 +-
 .../test_snapshots/test/test_transfer.1.json  |   22 +-
 .../test/test_transfer_from.1.json            |   22 +-
 ...ransfer_from_insufficient_allowance.1.json |   22 +-
 ..._transfer_from_insufficient_balance.1.json |   22 +-
 .../test_transfer_insufficient_balance.1.json |   22 +-
 .../test_withdraw_insufficient_shares.1.json  |   22 +-
 .../test/test_withdraw_when_paused.1.json     |   84 +-
 285 files changed, 13482 insertions(+), 16675 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 030b1d92..25496e52 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -147,7 +147,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94893f1e0c6eeab764ade8dc4c0db24caf4fe7cbbaafc0eba0a9030f447b5185"
 dependencies = [
  "num-traits",
- "rand",
+ "rand 0.8.7",
 ]
 
 [[package]]
@@ -180,6 +180,27 @@ version = "1.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
 
+[[package]]
+name = "bit-set"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08807e080ed7f9d5433fa9b275196cfc35414f66a0c79d864dc51a0d825231a3"
+dependencies = [
+ "bit-vec",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e764a1d40d510daf35e07be9eb06e75770908c27d411ee6c92109c9840eaaf7"
+
+[[package]]
+name = "bitflags"
+version = "2.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b588b76d00fde79687d7646a9b5bdf3cc0f655e0bbd080335a95d7e96f3587da"
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -283,7 +304,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
 dependencies = [
  "generic-array",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
  "zeroize",
 ]
@@ -506,7 +527,7 @@ checksum = "70e796c081cee67dc755e1a36a0a172b897fab85fc3f6bc48307991f64e4eca9"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand_core",
+ "rand_core 0.6.4",
  "serde",
  "sha2",
  "subtle",
@@ -531,7 +552,7 @@ dependencies = [
  "ff",
  "generic-array",
  "group",
- "rand_core",
+ "rand_core 0.6.4",
  "sec1",
  "subtle",
  "zeroize",
@@ -550,6 +571,16 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
 
+[[package]]
+name = "errno"
+version = "0.3.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
 [[package]]
 name = "escape-bytes"
 version = "0.1.1"
@@ -562,13 +593,19 @@ version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40404c3f5f511ec4da6fe866ddf6a717c309fdbb69fbbad7b0f3edab8f2e835f"
 
+[[package]]
+name = "fastrand"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da7c62ceae207dd37ea5b845da6a0696c799f85e97da1ab5b7910be3c1c80223"
+
 [[package]]
 name = "ff"
 version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c0b50bfb653653f9ca9095b427bed08ab8d75a137839d9ad64eb11810d5b6393"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
@@ -638,6 +675,29 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi 5.3.0",
+ "wasip2",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "300e883d756b2e4ec94e02791f39b04b522276138852cfc41d9fb7e904106099"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi 6.0.0",
+]
+
 [[package]]
 name = "group"
 version = "0.13.0"
@@ -645,7 +705,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
@@ -812,6 +872,21 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6d2cec3eae94f9f509c767b45932f1ada8350c4bdb85af2fcab4a3c14807981"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a66949e030da00e8c7d4434b251670a91556f4144941d37452769c25d58a53"
+
+[[package]]
+name = "liquidity_pool"
+version = "0.1.0"
+dependencies = [
+ "emergency_guard",
+ "proptest",
+ "soroban-sdk",
+]
+
 [[package]]
 name = "log"
 version = "0.4.33"
@@ -952,6 +1027,31 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "proptest"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b45fcc2344c680f5025fe57779faef368840d0bd1f42f216291f0dc4ace4744"
+dependencies = [
+ "bit-set",
+ "bit-vec",
+ "bitflags",
+ "num-traits",
+ "rand 0.9.5",
+ "rand_chacha 0.9.0",
+ "rand_xorshift",
+ "regex-syntax",
+ "rusty-fork",
+ "tempfile",
+ "unarray",
+]
+
+[[package]]
+name = "quick-error"
+version = "1.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
+
 [[package]]
 name = "quote"
 version = "1.0.47"
@@ -961,6 +1061,18 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
+
+[[package]]
+name = "r-efi"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
+
 [[package]]
 name = "rand"
 version = "0.8.7"
@@ -968,8 +1080,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22f6172bdec972074665ed81ed53b71da00bfc44b65a753cfde883ec4c702a1a"
 dependencies = [
  "libc",
- "rand_chacha",
- "rand_core",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9ef1d0d795eb7d84685bca4f72f3649f064e6641543d3a8c415898726a57b41"
+dependencies = [
+ "rand_chacha 0.9.0",
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -979,7 +1101,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -988,7 +1120,25 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.17",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76afc826de14238e6e8c374ddcc1fa19e374fd8dd986b0d2af0d02377261d83c"
+dependencies = [
+ "getrandom 0.3.4",
+]
+
+[[package]]
+name = "rand_xorshift"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "513962919efc330f829edb2535844d1b912b0fbe2ca165d613e4e8788bb05a5a"
+dependencies = [
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -1011,6 +1161,12 @@ dependencies = [
  "syn 3.0.3",
 ]
 
+[[package]]
+name = "regex-syntax"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6f6ff9a378485b298a5286656da665ba74413d36db0979633275d2e708145d4"
+
 [[package]]
 name = "rfc6979"
 version = "0.4.0"
@@ -1030,12 +1186,37 @@ dependencies = [
  "semver",
 ]
 
+[[package]]
+name = "rustix"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6fe4565b9518b83ef4f91bb47ce29620ca828bd32cb7e408f0062e9930ba190"
+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf54715a573b99ac80df0bc206da022bcd442c974952c7b9720069370852e21f"
 
+[[package]]
+name = "rusty-fork"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc6bf79ff24e648f6da1f8d1f011e9cac26491b619e6b9280f2b47f1774e6ee2"
+dependencies = [
+ "fnv",
+ "quick-error",
+ "tempfile",
+ "wait-timeout",
+]
+
 [[package]]
 name = "schemars"
 version = "0.9.0"
@@ -1188,7 +1369,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
  "digest",
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -1259,7 +1440,7 @@ dependencies = [
  "ed25519-dalek",
  "elliptic-curve",
  "generic-array",
- "getrandom",
+ "getrandom 0.2.17",
  "hex-literal",
  "hmac",
  "k256",
@@ -1267,8 +1448,8 @@ dependencies = [
  "num-integer",
  "num-traits",
  "p256",
- "rand",
- "rand_chacha",
+ "rand 0.8.7",
+ "rand_chacha 0.3.1",
  "sec1",
  "sha2",
  "sha3",
@@ -1320,7 +1501,7 @@ dependencies = [
  "ctor",
  "derive_arbitrary",
  "ed25519-dalek",
- "rand",
+ "rand 0.8.7",
  "rustc_version",
  "serde",
  "serde_json",
@@ -1511,6 +1692,19 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
+dependencies = [
+ "fastrand",
+ "getrandom 0.4.3",
+ "once_cell",
+ "rustix",
+ "windows-sys",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.69"
@@ -1582,6 +1776,12 @@ version = "1.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6f5e870be6c3b371b77fe0ee0bafb859fa4964b4404c27de1d380043c4dda20"
 
+[[package]]
+name = "unarray"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eaea85b334db583fe3274d12b4cd1880032beab409c0d774be044d4480ab9a94"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.24"
@@ -1594,12 +1794,30 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
+[[package]]
+name = "wait-timeout"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ac3b126d3914f9849036f826e054cbabdc8519970b8998ddaf3b5bd3c65f11"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
+[[package]]
+name = "wasip2"
+version = "1.0.4+wasi-0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b67efb37e106e55ce722a510d6b5f9c17f083e5fc79afc2badeb12cc313d9487"
+dependencies = [
+ "wit-bindgen",
+]
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.126"
@@ -1741,6 +1959,21 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "wit-bindgen"
+version = "0.57.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ebf944e87a7c253233ad6766e082e3cd714b5d03812acc24c318f549614536e"
+
 [[package]]
 name = "zerocopy"
 version = "0.8.55"
diff --git a/Cargo.toml b/Cargo.toml
index a78d69b5..a209a6fb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 resolver = "2"
 members = [
     "contracts/error_codes",
+    "contracts/liquidity_pool",
     "contracts/math",
     "contracts/staking_rewards",
 ]
diff --git a/contracts/liquidity_pool/README.md b/contracts/liquidity_pool/README.md
index 8ae63f71..236ca3c4 100644
--- a/contracts/liquidity_pool/README.md
+++ b/contracts/liquidity_pool/README.md
@@ -226,3 +226,74 @@ pool.initialize(admin, token_a, token_b)?;
 ## Fee admin
 
 `DataKey::Admin` is the pool fee admin (may differ from guard admins after rotation). Use `set_fee`, `configure_fee_oracle`, `sync_fee_from_oracle`, and `execute_fee_update`.
+
+## Swapping and slippage protection
+
+The pool exposes both swap directions. Which one you use decides which side you
+can bound, and every swap needs one side bounded — an unbounded swap can be
+sandwiched, since an attacker who front-runs the transaction moves the price so
+the same trade fills far worse.
+
+| Function | You fix | You bound | Returns |
+|----------|---------|-----------|---------|
+| `swap(to, buy_a, out, in_max)` | the output `out` | the input, via `in_max` | input actually paid |
+| `swap_exact_in(to, buy_a, amount_in, min_amount_out)` | the input `amount_in` | the output, via `min_amount_out` | output actually delivered |
+
+`buy_a` selects direction: `true` sends token B in and takes token A out, `false`
+is the reverse.
+
+### Exact-input swaps
+
+`swap_exact_in` computes the output from the live reserves and current fee, then
+refuses the trade unless it clears the caller's floor:
+
+```rust
+// Quote against current state, then accept 1% of drift.
+let quoted = pool.get_amount_out(false, 1_000)?;
+let min_amount_out = quoted * 99 / 100;
+
+let received = pool.swap_exact_in(trader, false, 1_000, min_amount_out)?;
+assert!(received >= min_amount_out);
+```
+
+If the price moves between the quote and execution such that the output would
+fall below `min_amount_out`, the call returns `Error::SlippageExceeded` and no
+tokens move.
+
+Passing `min_amount_out = 0` disables the check. Do that only when any fill is
+genuinely acceptable.
+
+### Quoting
+
+```rust
+let out = pool.get_amount_out(buy_a, amount_in)?;  // output for a given input
+let needed = pool.get_amount_in(buy_a, amount_out)?; // input for a given output
+let (reserve_a, reserve_b) = pool.get_reserves()?;
+```
+
+Both quotes are read-only and only describe the state they were read from. Derive
+a bound from them; do not assume the swap will match them. Rounding always
+resolves in the pool's favour, so `get_amount_in(get_amount_out(x))` may come
+back slightly above `x`.
+
+### Exact-output swaps
+
+For `swap`, the output is fixed by the caller and delivered exactly or not at
+all, so `in_max` is the meaningful bound — a minimum-output parameter would be
+satisfied by construction. Set `in_max` to the quoted input plus your tolerance:
+
+```rust
+let quoted_in = pool.get_amount_in(false, 900)?;
+pool.swap(trader, false, 900, quoted_in * 101 / 100)?;
+```
+
+### Swap errors
+
+- `Error::SlippageExceeded`: the bound you set was not met (`min_amount_out` for
+  `swap_exact_in`, `in_max` for `swap`). Expected under normal price movement;
+  re-quote and retry.
+- `Error::InvalidAmount`: `amount_in` was zero or negative, or `min_amount_out`
+  was negative.
+- `Error::InsufficientLiquidity`: the reserves cannot support the trade, or the
+  input was too small to buy a single unit of output.
+- `Error::Paused`: swaps are currently paused by the guard.
diff --git a/contracts/liquidity_pool/src/lib.rs b/contracts/liquidity_pool/src/lib.rs
index 43d3306a..806a9f76 100644
--- a/contracts/liquidity_pool/src/lib.rs
+++ b/contracts/liquidity_pool/src/lib.rs
@@ -1,22 +1,10 @@
 #![no_std]
 
-use soroban_sdk::{
-    contract, contracterror, contractimpl, contracttype, vec, Address, Env, String, Vec,
-};
-use emergency_guard::{EmergencyGuardTrait, GuardError, PauseType};
-use emergency_guard::{EmergencyGuard, PauseType};
-use soroban_sdk::vec;
-use soroban_sdk::{contract, contracterror, contractimpl, contracttype, Address, Env, String, Vec};
 use emergency_guard::{
-    emit_admin_added, emit_admin_removed, emit_emergency_paused_all, emit_guard_initialized,
-    emit_pause_state_changed, emit_resumed_all, EmergencyGuardTrait, GuardError, PauseType,
-    emit_pause_state_changed, emit_resumed_all, EmergencyGuard, GuardError, PauseType, DefaultEmergencyGuard, EmergencyGuardTrait
+    DefaultEmergencyGuard, EmergencyGuard, EmergencyGuardTrait, GuardError, PauseType,
 };
-use soroban_sdk::{contract, contracterror, contractimpl, contracttype, Address, Env, String, Vec};
-use emergency_guard::{EmergencyGuard, GuardError, PauseType};
 use soroban_sdk::{
-    contract, contracterror, contractimpl, contracttype, panic_with_error, vec, Address, Env,
-    String, Vec,
+    contract, contracterror, contractimpl, contracttype, vec, Address, Env, String, Vec,
 };
 
 #[cfg(test)]
@@ -28,22 +16,13 @@ mod test;
 
 /// Errors returned by the `LiquidityPool` contract.
 ///
-/// Code assignments are stable on-chain ABI — do NOT renumber.
+/// Code assignments are stable on-chain ABI — do NOT renumber. New variants go
+/// on the end.
 #[contracterror]
 #[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord)]
 #[repr(u32)]
 pub enum Error {
     AlreadyInitialized = 1,
-    InsufficientLiquidity = 2,
-    SlippageExceeded = 3,
-    InsufficientShares = 4,
-    NotInitialized = 5,
-    InsufficientBalance = 6,
-    Unauthorized = 7,
-    InsufficientAllowance = 8,
-    InvalidFee = 9,
-    OracleNotConfigured = 10,
-    InvalidOraclePrice = 11,
     NotInitialized = 2,
     Unauthorized = 3,
     InsufficientBalance = 4,
@@ -53,22 +32,16 @@ pub enum Error {
     SlippageExceeded = 8,
     InvalidFee = 9,
     OracleNotConfigured = 10,
-    PendingFeeUpdateExists = 11,
-    InsufficientLiquidity = 2,
-    SlippageExceeded = 3,
-    InsufficientShares = 4,
-    NotInitialized = 5,
-    InsufficientBalance = 6,
-    Unauthorized = 7,
-    InsufficientAllowance = 8,
-    InvalidFee = 9,
-    OracleNotConfigured = 10,
     InvalidOraclePrice = 11,
     TimelockNotElapsed = 12,
     NoPendingFeeUpdate = 13,
     Paused = 14,
+    /// A caller-supplied amount was zero or negative.
+    InvalidAmount = 15,
 }
 
+// ── Events ────────────────────────────────────────────────────────────────────
+
 #[contracttype]
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub struct DepositEvent {
@@ -104,33 +77,24 @@ pub struct BurnEvent {
     pub shares_burned: i128,
 }
 
-/// Event payload emitted after a successful stake.
 #[contracttype]
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub struct StakeEvent {
-    /// Address that staked LP shares.
     pub user: Address,
-    /// LP shares staked.
     pub amount_staked: i128,
 }
 
-/// Event payload emitted after a successful unstake.
 #[contracttype]
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub struct UnstakeEvent {
-    /// Address that unstaked LP shares.
     pub user: Address,
-    /// LP shares unstaked.
     pub amount_unstaked: i128,
 }
 
-/// Event payload emitted after claiming rewards.
 #[contracttype]
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub struct ClaimRewardsEvent {
-    /// Address that claimed rewards.
     pub user: Address,
-    /// Amount of rewards claimed.
     pub rewards_amount: i128,
 }
 
@@ -152,34 +116,8 @@ pub struct FeeUpdateScheduledEvent {
     pub volatility_bps: i128,
 }
 
-#[contracttype]
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub struct PoolState {
-    pub token_a: Address,
-    pub token_b: Address,
-    pub reserve_a: i128,
-    pub reserve_b: i128,
-    pub total_shares: i128,
-    pub fee_bps: i128,
-    pub base_fee_bps: i128,
-    pub admin: Address,
-}
-
-#[contracttype]
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub struct GuardState {
-    pub pause_state: u32,
-    pub admins: Vec<Address>,
-    pub signature_threshold: u32,
-}
+// ── Constants ─────────────────────────────────────────────────────────────────
 
-#[contracttype]
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub struct OracleConfig {
-    pub oracle: Address,
-    pub last_price: i128,
-    pub last_volatility_bps: i128,
-    pub timelock_ledgers: u32,
 pub const MAX_FEE_BPS: i128 = 100;
 pub const DEFAULT_BASE_FEE_BPS: i128 = 30;
 pub const DEFAULT_FEE_TIMELOCK_LEDGERS: u32 = 120;
@@ -192,15 +130,9 @@ pub const LOW_VOLATILITY_FEE_BPS: i128 = 40;
 pub const MEDIUM_VOLATILITY_FEE_BPS: i128 = 70;
 pub const HIGH_VOLATILITY_FEE_BPS: i128 = 100;
 
-pub mod pause_op {
-    pub const SWAP: u32 = 1 << 0;
-    pub const DEPOSIT: u32 = 1 << 1;
-    pub const WITHDRAW: u32 = 1 << 2;
-    pub const TRANSFER: u32 = 1 << 3;
-    pub const MINT: u32 = 1 << 4;
-    pub const BURN: u32 = 1 << 5;
-    pub const ALL: u32 = u32::MAX;
-}
+pub const REWARDS_PER_LEDGER: i128 = 10_000_000;
+pub const REWARD_PRECISION: i128 = 1_000_000_000_000;
+
 // ── Oracle interface ──────────────────────────────────────────────────────────
 
 #[soroban_sdk::contractclient(name = "PriceOracleClient")]
@@ -221,35 +153,6 @@ pub struct PoolState {
     pub fee_bps: i128,
     pub base_fee_bps: i128,
     pub admin: Address,
-#[contracttype]
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub struct FeeUpdateScheduledEvent {
-    pub scheduled_by: Address,
-    pub old_fee_bps: i128,
-    pub new_fee_bps: i128,
-    pub executable_after_ledger: u32,
-    pub volatility_bps: i128,
-}
-
-#[contracttype]
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub struct PoolState {
-    pub token_a: Address,
-    pub token_b: Address,
-    pub reserve_a: i128,
-    pub reserve_b: i128,
-    pub total_shares: i128,
-    pub fee_bps: i128,
-    pub base_fee_bps: i128,
-    pub admin: Address,
-}
-
-#[contracttype]
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub struct GuardState {
-    pub pause_state: u32,
-    pub admins: Vec<Address>,
-    pub signature_threshold: u32,
 }
 
 #[contracttype]
@@ -269,14 +172,6 @@ pub struct PendingFeeUpdate {
     pub based_on_volatility_bps: i128,
 }
 
-#[contracttype]
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub struct OracleConfig {
-    pub oracle_id: Address,
-    pub base_fee_bps: i128,
-    pub timelock_ledgers: u32,
-}
-
 #[derive(Clone)]
 #[contracttype]
 pub struct AllowanceDataKey {
@@ -296,16 +191,10 @@ pub struct AllowanceValue {
 pub enum DataKey {
     Pool,
     Admin,
-    GuardAdmins,
-    GuardThreshold,
-    GuardPauseState,
     Balance(Address),
     Allowance(AllowanceDataKey),
-    OracleConfig,
-    LastOraclePrice,
-    LastVolatilityBps,
+    Oracle,
     PendingFeeUpdate,
-    Paused,
     StakedBalance(Address),
     TotalStaked,
     UserRewards(Address),
@@ -313,97 +202,7 @@ pub enum DataKey {
     AccumulatedRewardPerShare,
 }
 
-fn sqrt(x: i128) -> i128 {
-    if x == 0 {
-        return 0;
-    Guard,
-    Oracle,
-    PendingFeeUpdate,
-/// Grouped pool state — stored as a single instance key to reduce storage footprint.
-#[contracttype]
-#[derive(Clone)]
-pub struct PoolState {
-    pub admin: Address,
-    pub token_a: Address,
-    pub token_b: Address,
-    pub reserve_a: i128,
-    pub reserve_b: i128,
-    pub total_shares: i128,
-    pub fee_bps: i128,
-}
-
-/// Storage keys.
-#[contracttype]
-#[derive(Clone)]
-pub enum DataKey {
-    /// Single-entry key for all grouped pool state.
-    Pool,
-    /// Per-user LP share balance (persistent storage).
-    Balance(Address),
-    /// ERC-20-style allowances (persistent storage).
-    Allowance(AllowanceDataKey),
-}
-
-fn load_pool(e: &Env) -> Result<PoolState, Error> {
-    e.storage()
-        .instance()
-        .get::<_, PoolState>(&DataKey::Pool)
-        .ok_or(Error::NotInitialized)
-}
-
-fn save_pool(e: &Env, pool: &PoolState) {
-    e.storage().instance().set(&DataKey::Pool, pool);
-}
-// ── Constants ─────────────────────────────────────────────────────────────────
-
-pub const MAX_FEE_BPS: i128 = 100;
-pub const DEFAULT_BASE_FEE_BPS: i128 = 30;
-pub const DEFAULT_FEE_TIMELOCK_LEDGERS: u32 = 120;
-
-pub const LOW_VOLATILITY_THRESHOLD_BPS: i128 = 100;
-pub const MEDIUM_VOLATILITY_THRESHOLD_BPS: i128 = 250;
-pub const HIGH_VOLATILITY_THRESHOLD_BPS: i128 = 500;
-
-pub const LOW_VOLATILITY_FEE_BPS: i128 = 40;
-pub const MEDIUM_VOLATILITY_FEE_BPS: i128 = 70;
-pub const HIGH_VOLATILITY_FEE_BPS: i128 = 100;
-
-// ── Oracle trait ──────────────────────────────────────────────────────────────
-
-#[soroban_sdk::contractclient(name = "PriceOracleClient")]
-pub trait PriceOracle {
-    fn latest_price(e: Env) -> i128;
-}
-
-fn sqrt(x: i128) -> i128 {
-    if x == 0 {
-        return 0;
-    }
-
-    let mut z = (x + 1) / 2;
-    let mut y = x;
-
-    while z < y {
-        y = z;
-        z = (x / z + z) / 2;
-    }
-
-    y
-}
-
-    Admin,
-    GuardAdmins,
-    GuardThreshold,
-    GuardPauseState,
-    Balance(Address),
-    Allowance(AllowanceDataKey),
-    OracleConfig,
-    LastOraclePrice,
-    LastVolatilityBps,
-    PendingFeeUpdate,
-}
 // ── Helpers ───────────────────────────────────────────────────────────────────
-// ── Private helpers ───────────────────────────────────────────────────────────
 
 fn sqrt(x: i128) -> i128 {
     if x == 0 {
@@ -429,41 +228,6 @@ fn save_pool(e: &Env, pool: &PoolState) {
     e.storage().instance().set(&DataKey::Pool, pool);
 }
 
-fn load_guard(e: &Env) -> GuardState {
-    e.storage()
-        .instance()
-        .get(&DataKey::Guard)
-        .unwrap_or_else(|| GuardState {
-            pause_state: 0,
-            admins: Vec::new(e),
-            signature_threshold: 0,
-        })
-}
-
-fn save_guard(e: &Env, guard: &GuardState) {
-    e.storage().instance().set(&DataKey::Guard, guard);
-}
-
-fn load_or_init_guard_from_pool(e: &Env, pool: &PoolState) -> GuardState {
-    let guard = load_guard(e);
-    if guard.signature_threshold == 0 && guard.admins.len() == 0 {
-        GuardState {
-            pause_state: guard.pause_state,
-            admins: {
-                let mut admins = Vec::new(e);
-                admins.push_back(pool.admin.clone());
-                admins
-            },
-            signature_threshold: 1,
-        }
-    } else {
-        guard
-    }
-}
-
-fn check_paused(pool: &PoolState, operation: u32, guard: &GuardState) -> Result<(), Error> {
-    if guard.pause_state & operation != 0 {
-fn check_not_paused(e: &Env, operation: u32) -> Result<(), Error> {
 fn load_admin(e: &Env) -> Result<Address, Error> {
     e.storage()
         .instance()
@@ -491,13 +255,111 @@ fn require_not_paused(e: &Env, operation: u32) -> Result<(), Error> {
     }
 }
 
-/// Rewards per ledger: 1 LP token (with 7 decimals) = 10_000_000
-pub const REWARDS_PER_LEDGER: i128 = 10_000_000;
-/// Precision factor for reward calculations
-pub const REWARD_PRECISION: i128 = 1_000_000_000_000;
+/// Collapse guard membership and threshold refusals into `Unauthorized`.
+///
+/// From a caller's point of view "you are not an admin", "that address is not an
+/// admin" and "this would drop the admin set below the threshold" are all the
+/// same answer: the request is not permitted.
+fn as_unauthorized(err: GuardError) -> GuardError {
+    match err {
+        GuardError::AdminNotFound | GuardError::InvalidThreshold => GuardError::Unauthorized,
+        other => other,
+    }
+}
+
+/// Which reserve and token sits on each side of a swap.
+struct SwapSides {
+    reserve_in: i128,
+    reserve_out: i128,
+    token_in: Address,
+    token_out: Address,
+}
+
+/// `buy_a` means token B goes in and token A comes out.
+fn swap_sides(pool: &PoolState, buy_a: bool) -> SwapSides {
+    if buy_a {
+        SwapSides {
+            reserve_in: pool.reserve_b,
+            reserve_out: pool.reserve_a,
+            token_in: pool.token_b.clone(),
+            token_out: pool.token_a.clone(),
+        }
+    } else {
+        SwapSides {
+            reserve_in: pool.reserve_a,
+            reserve_out: pool.reserve_b,
+            token_in: pool.token_a.clone(),
+            token_out: pool.token_b.clone(),
+        }
+    }
+}
+
+/// Output produced by `amount_in`, constant product net of the pool fee.
+///
+/// `out = (in_after_fee * reserve_out) / (reserve_in * 10_000 + in_after_fee)`
+/// with `in_after_fee = amount_in * (10_000 - fee_bps)`. Division truncates, so
+/// rounding dust stays with the pool rather than the caller.
+fn amount_out_for_in(
+    amount_in: i128,
+    reserve_in: i128,
+    reserve_out: i128,
+    fee_bps: i128,
+) -> Result<i128, Error> {
+    if reserve_in <= 0 || reserve_out <= 0 {
+        return Err(Error::InsufficientLiquidity);
+    }
+    let in_after_fee = amount_in
+        .checked_mul(10_000 - fee_bps)
+        .ok_or(Error::InsufficientLiquidity)?;
+    let numerator = in_after_fee
+        .checked_mul(reserve_out)
+        .ok_or(Error::InsufficientLiquidity)?;
+    let denominator = reserve_in
+        .checked_mul(10_000)
+        .ok_or(Error::InsufficientLiquidity)?
+        .checked_add(in_after_fee)
+        .ok_or(Error::InsufficientLiquidity)?;
+    Ok(numerator / denominator)
+}
+
+/// Input required to receive exactly `amount_out`, rounded up by one so the
+/// constant-product invariant is never weakened by truncation.
+fn amount_in_for_out(
+    amount_out: i128,
+    reserve_in: i128,
+    reserve_out: i128,
+    fee_bps: i128,
+) -> Result<i128, Error> {
+    if amount_out >= reserve_out {
+        return Err(Error::InsufficientLiquidity);
+    }
+    let numerator = reserve_in
+        .checked_mul(amount_out)
+        .ok_or(Error::InsufficientLiquidity)?
+        .checked_mul(10_000)
+        .ok_or(Error::InsufficientLiquidity)?;
+    let denominator = (reserve_out - amount_out)
+        .checked_mul(10_000 - fee_bps)
+        .ok_or(Error::InsufficientLiquidity)?;
+    Ok((numerator / denominator) + 1)
+}
+
+/// Point `DataKey::Admin` (and `PoolState::admin`) at `replacement` when
+/// `departing` is the current primary admin. No-op otherwise.
+fn reassign_primary_admin_if(e: &Env, departing: &Address, replacement: Option<Address>) {
+    let Some(replacement) = replacement else {
+        return;
+    };
+    if load_admin(e).as_ref() != Ok(departing) {
+        return;
+    }
+    e.storage().instance().set(&DataKey::Admin, &replacement);
+    if let Ok(mut pool) = load_pool(e) {
+        pool.admin = replacement;
+        save_pool(e, &pool);
+    }
+}
 
-pub trait PriceOracle {
-    fn latest_price(e: Env) -> i128;
 fn target_fee_from_volatility(base_fee_bps: i128, volatility_bps: i128) -> i128 {
     let dynamic = if volatility_bps >= HIGH_VOLATILITY_THRESHOLD_BPS {
         HIGH_VOLATILITY_FEE_BPS
@@ -508,11 +370,6 @@ fn target_fee_from_volatility(base_fee_bps: i128, volatility_bps: i128) -> i128
     } else {
         base_fee_bps
     };
-    if dynamic > MAX_FEE_BPS {
-
-    if dynamic_fee > MAX_FEE_BPS {
-
-    if dynamic_fee > MAX_FEE_BPS {
     if dynamic > MAX_FEE_BPS {
         MAX_FEE_BPS
     } else {
@@ -520,284 +377,83 @@ fn target_fee_from_volatility(base_fee_bps: i128, volatility_bps: i128) -> i128
     }
 }
 
-fn guard_init(e: &Env, admin: Address) {
-    let admins = vec![e, admin];
-    e.storage().instance().set(&DataKey::GuardAdmins, &admins);
-    e.storage().instance().set(&DataKey::GuardThreshold, &1u32);
-}
-
-fn guard_pause_state(e: &Env) -> u32 {
-    e.storage()
-        .instance()
-        .get(&DataKey::GuardPauseState)
-        .unwrap_or(0u32)
-}
 // ── pause_op aliases (kept for backwards compat with tests) ──────────────────
 
-fn read_admin(e: &Env) -> Result<Address, Error> {
-    e.storage()
-        .instance()
-        .get(&DataKey::Admin)
-        .ok_or(Error::NotInitialized)
+pub mod pause_op {
+    pub use emergency_guard::PauseType;
+    pub const SWAP: u32 = emergency_guard::PauseType::SWAP;
+    pub const DEPOSIT: u32 = emergency_guard::PauseType::DEPOSIT;
+    pub const WITHDRAW: u32 = emergency_guard::PauseType::WITHDRAW;
+    pub const TRANSFER: u32 = emergency_guard::PauseType::TRANSFER;
+    pub const MINT: u32 = emergency_guard::PauseType::MINT;
+    pub const BURN: u32 = emergency_guard::PauseType::BURN;
+    pub const ALL: u32 = u32::MAX;
 }
 
-fn read_guard_admins(e: &Env) -> Vec<Address> {
-    e.storage()
-        .instance()
-        .get(&DataKey::GuardAdmins)
-        .unwrap_or_else(|| Vec::new(e))
-}
+/// Every operation `set_paused` toggles, as a single bitmask.
+const CORE_PAUSE_OPS: u32 = PauseType::SWAP
+    | PauseType::DEPOSIT
+    | PauseType::WITHDRAW
+    | PauseType::BURN
+    | PauseType::STAKE
+    | PauseType::CLAIM_REWARDS;
 
-fn write_guard_admins(e: &Env, admins: &Vec<Address>) {
-    e.storage().instance().set(&DataKey::GuardAdmins, admins);
-}
+// ── Contract ──────────────────────────────────────────────────────────────────
 
-/// Return `Err(Error::Paused)` if `op` is currently paused.
-fn guard_check_not_paused(e: &Env, op: u32) -> Result<(), Error> {
-    if guard_pause_state(e) & op != 0 {
-        Err(Error::Paused)
-    } else {
+#[contract]
+pub struct LiquidityPool;
+
+#[contractimpl]
+impl LiquidityPool {
+    // ── Initialisation ────────────────────────────────────────────────────────
+
+    pub fn initialize(
+        e: Env,
+        admin: Address,
+        token_a: Address,
+        token_b: Address,
+    ) -> Result<(), Error> {
+        if e.storage().instance().has(&DataKey::Pool) {
+            return Err(Error::AlreadyInitialized);
+        }
+        e.storage().instance().set(&DataKey::Admin, &admin);
+        save_pool(
+            &e,
+            &PoolState {
+                token_a,
+                token_b,
+                reserve_a: 0,
+                reserve_b: 0,
+                total_shares: 0,
+                fee_bps: DEFAULT_BASE_FEE_BPS,
+                base_fee_bps: DEFAULT_BASE_FEE_BPS,
+                admin: admin.clone(),
+            },
+        );
+        // Issue #419: initialize EmergencyGuard so all multi-sig checks have a threshold.
+        EmergencyGuard::initialize(e.clone(), vec![&e, admin], 1).map_err(map_guard_err)?;
         Ok(())
     }
-}
-
-fn guard_admins(e: &Env) -> Vec<Address> {
-    e.storage()
-        .instance()
-        .get(&DataKey::GuardAdmins)
-        .unwrap_or_else(|| Vec::new(e))
-}
 
-fn guard_is_admin(e: &Env, addr: &Address) -> bool {
-    guard_admins(e).iter().any(|a| a == *addr)
-}
+    // ── Admin accessors ───────────────────────────────────────────────────────
 
-fn guard_require_admin(e: &Env, caller: &Address) -> Result<(), Error> {
-    caller.require_auth();
-    if !guard_is_admin(e, caller) {
-        return Err(Error::Unauthorized);
+    pub fn get_admin(e: Env) -> Address {
+        load_admin(&e).expect("not initialized")
     }
-    Ok(())
-}
 
-fn guard_require_multisig(e: &Env, approvers: &Vec<Address>) -> Result<(), Error> {
-    let threshold: u32 = e
-        .storage()
-        .instance()
-        .get(&DataKey::GuardThreshold)
-        .ok_or(Error::NotInitialized)?;
-    let admins = guard_admins(e);
-
-    let mut valid = 0u32;
-fn primary_admin(e: &Env) -> Result<Address, GuardError> {
-    let guard = load_guard(e);
-    if let Some(admin) = guard.admins.get(0) {
-        Ok(admin)
-    } else {
-        let pool = load_pool(e).map_err(|_| GuardError::NotInitialized)?;
-        Ok(pool.admin)
+    pub fn get_admin_threshold(e: Env) -> u32 {
+        EmergencyGuard::get_threshold(e)
     }
-}
 
-fn check_multi_sig(e: &Env, approvers: &Vec<Address>) -> Result<(), GuardError> {
-    let guard = load_guard(e);
-    if guard.signature_threshold == 0 {
-        return Err(GuardError::NotInitialized);
-    }
+    // ── EmergencyGuard pause interface ────────────────────────────────────────
 
-    if approvers.len() < guard.signature_threshold {
-        return Err(GuardError::InsufficientSignatures);
-    }
-
-    let mut valid_approvers: u32 = 0;
-    let mut seen = Vec::new(e);
-
-    for addr in approvers.iter() {
-        if seen.iter().any(|a| a == addr) {
-            continue;
-        }
-        seen.push_back(addr.clone());
-        if admins.iter().any(|a| a == addr) {
-            addr.require_auth();
-            valid += 1;
-        }
-    }
-
-    if valid < threshold {
-        return Err(Error::Unauthorized);
-    }
-    Ok(())
-}
-
-fn guard_set_ops(e: &Env, ops: u32, paused: bool) {
-    let state = guard_pause_state(e);
-    let next = if paused { state | ops } else { state & !ops };
-    if next != state {
-        e.storage().instance().set(&DataKey::GuardPauseState, &next);
-    }
-}
-const CORE_PAUSE_OPS: [u32; 4] = [
-    PauseType::SWAP,
-    PauseType::DEPOSIT,
-    PauseType::WITHDRAW,
-    PauseType::BURN,
-];
-
-fn primary_admin(e: &Env) -> Result<Address, GuardError> {
-    let guard = load_guard(e);
-    if let Some(admin) = guard.admins.get(0) {
-        Ok(admin)
-    } else {
-        let pool = load_pool(e).map_err(|_| GuardError::NotInitialized)?;
-        Ok(pool.admin)
-    }
-}
-
-fn check_multi_sig(e: &Env, approvers: &Vec<Address>) -> Result<(), GuardError> {
-    let guard = load_guard(e);
-    if guard.signature_threshold == 0 {
-        return Err(GuardError::NotInitialized);
-    }
-
-    if approvers.len() < guard.signature_threshold {
-        return Err(GuardError::InsufficientSignatures);
-    }
-
-    let mut valid_approvers: u32 = 0;
-    let mut seen = Vec::new(e);
-
-    for addr in approvers.iter() {
-        if seen.iter().any(|a| a == addr) {
-            continue;
-        }
-        seen.push_back(addr.clone());
-
-        if guard.admins.iter().any(|a| a == addr) {
-            addr.require_auth();
-            valid_approvers += 1;
-        }
-    }
-
-    if valid_approvers < guard.signature_threshold {
-        Err(GuardError::InsufficientSignatures)
-    } else {
-        Ok(())
-    }
-fn set_primary_admin(e: &Env, admin: Address) -> Result<(), Error> {
-    e.storage().instance().set(&DataKey::Admin, &admin);
-    let mut pool = load_pool(e)?;
-    pool.admin = admin;
-    save_pool(e, &pool);
-    Ok(())
-
-        if guard.admins.iter().any(|a| a == addr) {
-            addr.require_auth();
-            valid_approvers += 1;
-        }
-    }
-
-    if valid_approvers < guard.signature_threshold {
-        Err(GuardError::InsufficientSignatures)
-    } else {
-        Ok(())
-    }
-}
-
-#[contract]
-pub struct LiquidityPool;
-
-#[contractimpl]
-impl LiquidityPool {
-    // ── Initialisation ────────────────────────────────────────────────────────
-
-    pub fn initialize(
-        e: Env,
-        admin: Address,
-        token_a: Address,
-        token_b: Address,
-    ) -> Result<(), Error> {
-        if e.storage().instance().has(&DataKey::Pool) {
-            return Err(Error::AlreadyInitialized);
-        }
-
-        e.storage().instance().set(&DataKey::Admin, &admin);
-        save_pool(
-            &e,
-            &PoolState {
-                token_a,
-                token_b,
-                reserve_a: 0,
-                reserve_b: 0,
-                total_shares: 0,
-                fee_bps: DEFAULT_BASE_FEE_BPS,
-                base_fee_bps: DEFAULT_BASE_FEE_BPS,
-                admin: admin.clone(),
-                paused: false,
-            },
-        );
-
-        save_guard(
-            &e,
-            &GuardState {
-                pause_state: 0,
-                admins: {
-                    let mut admins = Vec::new(&e);
-                    admins.push_back(admin);
-                    admins
-                },
-                signature_threshold: 1,
-            },
-        );
-
-        Ok(())
-    }
-
-    pub fn get_fee(e: Env) -> i128 {
-        e.storage()
-            .instance()
-            .get::<_, PoolState>(&DataKey::Pool)
-            .map(|p| p.fee_bps)
-            .unwrap_or(DEFAULT_BASE_FEE_BPS)
-    }
-
-            },
-        );
-
-        EmergencyGuard::initialize(e.clone(), vec![&e, admin], 1).map_err(map_guard_err)?;
-        Ok(())
-    }
-
-    // ── Admin accessors ─────────────────────────────────────────────────────────
-
-    pub fn get_admin(e: Env) -> Address {
-        load_admin(&e).expect("not initialized")
-    }
-
-    pub fn get_admins(e: Env) -> Vec<Address> {
-        EmergencyGuard::get_admins(e)
-    }
-
-    pub fn get_admin_threshold(e: Env) -> u32 {
-        EmergencyGuard::get_threshold(e)
-    }
-
-    // ── EmergencyGuard pause interface ──────────────────────────────────────────
-
-    pub fn guard_pause(
-        e: Env,
-        admin: Address,
-        operation: u32,
-        paused: bool,
-    ) -> Result<(), Error> {
-    /// Pause or resume one operation bit. Any current guard admin may call this.
-    pub fn guard_pause(e: Env, admin: Address, operation: u32, paused: bool) -> Result<(), Error> {
-        EmergencyGuard::set_pause(e, admin, operation, paused).map_err(map_guard_err)
+    /// Pause or resume one operation bit. Any current guard admin may call this.
+    pub fn guard_pause(e: Env, admin: Address, operation: u32, paused: bool) -> Result<(), Error> {
+        EmergencyGuard::set_pause(e, admin, operation, paused).map_err(map_guard_err)
     }
 
     pub fn guard_is_paused(e: Env, operation: u32) -> bool {
         EmergencyGuard::is_paused(e, operation)
-    pub fn guard_unpause(e: Env, admin: Address, operation: u32) -> Result<(), Error> {
-        Self::guard_pause(e, admin, operation, false)
     }
 
     pub fn set_operation_paused(
@@ -806,24 +462,17 @@ impl LiquidityPool {
         operation: u32,
         paused: bool,
     ) -> Result<(), Error> {
-        Self::guard_pause(e, admin, operation, paused)
+        EmergencyGuard::set_pause(e, admin, operation, paused).map_err(map_guard_err)
     }
 
-    /// Pause or unpause all core pool operations (swap, deposit, withdraw, burn).
+    /// Pause or resume every core pool operation in one call.
+    ///
+    /// The whole mask is applied in a single `set_pause` so the admin is
+    /// authorized once — repeating `require_auth` for the same address inside
+    /// one frame is rejected by the host as `Auth(ExistingValue)`.
     pub fn set_paused(e: Env, paused: bool) -> Result<(), Error> {
         let admin = load_admin(&e)?;
-        for op in CORE_PAUSE_OPS {
-            EmergencyGuard::set_pause(e.clone(), admin.clone(), op, paused).map_err(map_guard_err)?;
-        for op in [
-            PauseType::SWAP,
-            PauseType::DEPOSIT,
-            PauseType::WITHDRAW,
-            PauseType::BURN,
-        ] {
-            EmergencyGuard::set_pause(e.clone(), admin.clone(), op, paused)
-                .map_err(map_guard_err)?;
-        }
-        Ok(())
+        EmergencyGuard::set_pause(e, admin, CORE_PAUSE_OPS, paused).map_err(map_guard_err)
     }
 
     pub fn pause_swaps(e: Env) -> Result<(), Error> {
@@ -834,8 +483,6 @@ impl LiquidityPool {
     pub fn resume_swaps(e: Env) -> Result<(), Error> {
         let admin = load_admin(&e)?;
         EmergencyGuard::set_pause(e, admin, PauseType::SWAP, false).map_err(map_guard_err)
-        let admin = Self::get_admin(e.clone())?;
-        Self::guard_unpause(e, admin, pause_op::SWAP)
     }
 
     pub fn pause_deposits(e: Env) -> Result<(), Error> {
@@ -846,8 +493,6 @@ impl LiquidityPool {
     pub fn resume_deposits(e: Env) -> Result<(), Error> {
         let admin = load_admin(&e)?;
         EmergencyGuard::set_pause(e, admin, PauseType::DEPOSIT, false).map_err(map_guard_err)
-        let admin = Self::get_admin(e.clone())?;
-        Self::guard_unpause(e, admin, pause_op::DEPOSIT)
     }
 
     pub fn pause_withdrawals(e: Env) -> Result<(), Error> {
@@ -860,29 +505,13 @@ impl LiquidityPool {
         EmergencyGuard::set_pause(e, admin, PauseType::WITHDRAW, false).map_err(map_guard_err)
     }
 
+    /// Issue #419: Emergency pause all operations — requires multi-sig via EmergencyGuard::check_multi_sig.
     pub fn emergency_pause(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
         EmergencyGuard::emergency_pause(e, approvers).map_err(map_guard_err)
     }
 
     pub fn resume(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
         EmergencyGuard::resume(e, approvers).map_err(map_guard_err)
-        let admin = Self::get_admin(e.clone())?;
-        Self::guard_unpause(e, admin, pause_op::WITHDRAW)
-    }
-
-    pub fn emergency_pause_all(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
-        Self::emergency_pause(e, approvers)
-    }
-
-    pub fn resume_all(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
-        Self::resume(e, approvers)
-    }
-
-    pub fn get_pause_state(e: Env) -> u32 {
-        EmergencyGuard::get_pause_state(e)
-    }
-    pub fn get_pause_mask(e: Env) -> u32 {
-        EmergencyGuard::get_pause_state(e)
     }
 
     pub fn get_pause_mask(e: Env) -> u32 {
@@ -898,37 +527,6 @@ impl LiquidityPool {
         EmergencyGuard::is_paused(e, operation)
     }
 
-    pub fn add_admin(e: Env, approvers: Vec<Address>, new_admin: Address) -> Result<(), Error> {
-        EmergencyGuard::add_admin(e, approvers, new_admin).map_err(map_guard_err)
-    }
-
-    pub fn remove_admin(e: Env, approvers: Vec<Address>, admin: Address) -> Result<(), Error> {
-        let pool_admin = load_admin(&e)?;
-        EmergencyGuard::remove_admin(e.clone(), approvers, admin.clone()).map_err(map_guard_err)?;
-        let admins = EmergencyGuard::get_admins(e.clone());
-        if pool_admin == admin && admins.len() == 1 {
-            if let Some(remaining) = admins.get(0) {
-                e.storage().instance().set(&DataKey::Admin, &remaining);
-            }
-        }
-        Ok(())
-    }
-
-    pub fn rotate_admin(
-        e: Env,
-        approvers: Vec<Address>,
-        old_admin: Address,
-        new_admin: Address,
-    ) -> Result<(), Error> {
-        let pool_admin = load_admin(&e)?;
-        if pool_admin != old_admin {
-            return Err(Error::Unauthorized);
-        }
-        EmergencyGuard::add_admin(e.clone(), approvers.clone(), new_admin.clone())
-            .map_err(map_guard_err)?;
-        EmergencyGuard::remove_admin(e.clone(), approvers, old_admin).map_err(map_guard_err)?;
-        e.storage().instance().set(&DataKey::Admin, &new_admin);
-        Ok(())
     pub fn add_guard_admin(
         e: Env,
         approvers: Vec<Address>,
@@ -942,7 +540,7 @@ impl LiquidityPool {
         approvers: Vec<Address>,
         admin: Address,
     ) -> Result<(), Error> {
-        Self::remove_admin(e, approvers, admin)
+        EmergencyGuard::remove_admin(e, approvers, admin).map_err(map_guard_err)
     }
 
     pub fn get_guard_admins(e: Env) -> Vec<Address> {
@@ -965,14 +563,12 @@ impl LiquidityPool {
         if !(0..=MAX_FEE_BPS).contains(&fee_bps) {
             return Err(Error::InvalidFee);
         }
-
         let admin = load_admin(&e)?;
         admin.require_auth();
         let mut pool = load_pool(&e)?;
         let old_fee = pool.fee_bps;
         pool.fee_bps = fee_bps;
         save_pool(&e, &pool);
-
         e.events().publish(
             (String::from_str(&e, "fee_changed"), admin.clone()),
             FeeChangedEvent {
@@ -981,7 +577,6 @@ impl LiquidityPool {
                 new_fee_bps: fee_bps,
             },
         );
-
         Ok(())
     }
 
@@ -994,12 +589,10 @@ impl LiquidityPool {
         if !(0..=MAX_FEE_BPS).contains(&base_fee_bps) {
             return Err(Error::InvalidFee);
         }
-
         let mut pool = load_pool(&e)?;
         pool.admin.require_auth();
         pool.base_fee_bps = base_fee_bps;
         save_pool(&e, &pool);
-
         e.storage().instance().set(
             &DataKey::Oracle,
             &OracleConfig {
@@ -1009,7 +602,6 @@ impl LiquidityPool {
                 timelock_ledgers,
             },
         );
-
         Ok(())
     }
 
@@ -1031,53 +623,40 @@ impl LiquidityPool {
             .instance()
             .get(&DataKey::Oracle)
             .ok_or(Error::OracleNotConfigured)?;
-
         let oracle_client = PriceOracleClient::new(&e, &cfg.oracle);
         let current_price = oracle_client.latest_price();
         if current_price <= 0 {
             return Err(Error::InvalidOraclePrice);
         }
-
         let previous_price = cfg.last_price;
         cfg.last_price = current_price;
-
         if previous_price <= 0 {
             cfg.last_volatility_bps = 0;
             e.storage().instance().set(&DataKey::Oracle, &cfg);
             return Ok(None);
         }
-
         let price_delta = if current_price >= previous_price {
             current_price - previous_price
         } else {
             previous_price - current_price
         };
-
         let volatility_bps = price_delta
             .checked_mul(10_000)
             .ok_or(Error::InvalidOraclePrice)?
             / previous_price;
-
         cfg.last_volatility_bps = volatility_bps;
         e.storage().instance().set(&DataKey::Oracle, &cfg);
-
         let pool = load_pool(&e)?;
         let target_fee = target_fee_from_volatility(pool.base_fee_bps, volatility_bps);
         if target_fee == pool.fee_bps {
             return Ok(None);
         }
-
         let execute_after = e.ledger().sequence().saturating_add(cfg.timelock_ledgers);
         let pending = PendingFeeUpdate {
             new_fee_bps: target_fee,
             executable_after_ledger: execute_after,
             based_on_volatility_bps: volatility_bps,
         };
-
-        e.storage()
-            .instance()
-            .set(&DataKey::PendingFeeUpdate, &pending);
-
         e.storage()
             .instance()
             .set(&DataKey::PendingFeeUpdate, &pending);
@@ -1095,7 +674,6 @@ impl LiquidityPool {
                 volatility_bps,
             },
         );
-
         Ok(Some(pending))
     }
 
@@ -1105,1019 +683,124 @@ impl LiquidityPool {
             .instance()
             .get(&DataKey::PendingFeeUpdate)
             .ok_or(Error::NoPendingFeeUpdate)?;
-
-        if e.ledger().sequence() < pending.executable_after_ledger {
-            return Err(Error::TimelockNotElapsed);
-        }
-
-        if !(0..=MAX_FEE_BPS).contains(&pending.new_fee_bps) {
-        guard_init(&e, admin);
-        Ok(())
-    }
-
-    // ── Granular pause (EmergencyGuard admin interface) ───────────────────────
-
-    /// Pause or resume one operation bit. Any current guard admin may call this.
-    pub fn set_operation_paused(
-        e: Env,
-        admin: Address,
-        operation: u32,
-        paused: bool,
-    ) -> Result<(), Error> {
-        guard_require_admin(&e, &admin)?;
-        guard_set_ops(&e, operation, paused);
-        Ok(())
-    }
-
-    /// Backward-compatible granular pause entry point.
-    pub fn guard_pause(
-        e: Env,
-        admin: Address,
-        operation: u32,
-        paused: bool,
-    ) -> Result<(), Error> {
-        Self::set_operation_paused(e, admin, operation, paused)
-    }
-
-    /// Pause only swap operations.
-    pub fn pause_swaps(e: Env) -> Result<(), Error> {
-        let admin = read_admin(&e)?;
-        Self::set_operation_paused(e, admin, pause_op::SWAP, true)
-    }
-
-    pub fn resume_swaps(e: Env) -> Result<(), Error> {
-        let admin = read_admin(&e)?;
-        Self::set_operation_paused(e, admin, pause_op::SWAP, false)
-    }
-
-    pub fn pause_deposits(e: Env) -> Result<(), Error> {
-        let admin = read_admin(&e)?;
-        Self::set_operation_paused(e, admin, pause_op::DEPOSIT, true)
-    }
-
-    pub fn resume_deposits(e: Env) -> Result<(), Error> {
-        let admin = read_admin(&e)?;
-        Self::set_operation_paused(e, admin, pause_op::DEPOSIT, false)
-    }
-
-    pub fn pause_withdrawals(e: Env) -> Result<(), Error> {
-        let admin = read_admin(&e)?;
-        Self::set_operation_paused(e, admin, pause_op::WITHDRAW, true)
-    }
-
-    pub fn resume_withdrawals(e: Env) -> Result<(), Error> {
-        let admin = read_admin(&e)?;
-        Self::set_operation_paused(e, admin, pause_op::WITHDRAW, false)
-    }
-
-    /// Emergency: pause all guarded operations via multi-sig approval.
-    pub fn emergency_pause(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
-        guard_require_multisig(&e, &approvers)?;
-        guard_set_ops(&e, pause_op::ALL, true);
-        Ok(())
-    }
-
-    /// Alias for callers that use the explicit "all" naming.
-    pub fn emergency_pause_all(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
-        Self::emergency_pause(e, approvers)
-    }
-
-    /// Unpause all guarded operations via multi-sig approval.
-    ///
-    /// This replaces the old single-admin boolean unpause flow. The approver
-    /// list is validated by the same guard threshold used for emergency pause.
-    pub fn guard_unpause(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
-        guard_require_multisig(&e, &approvers)?;
-        guard_set_ops(&e, pause_op::ALL, false);
-        Ok(())
-    }
-
-    /// Backward-compatible resume entry point for existing callers.
-    pub fn resume(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
-        Self::guard_unpause(e, approvers)
-    }
-
-    /// Alias for callers that use the explicit "all" naming.
-    pub fn resume_all(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
-        Self::guard_unpause(e, approvers)
-    }
-
-    /// Returns the raw pause-state bitmask.
-    pub fn get_pause_state(e: Env) -> u32 {
-        guard_pause_state(&e)
-    }
-
-    /// Returns `true` when `operation` is currently paused.
-    pub fn guard_is_paused(e: Env, operation: u32) -> bool {
-        guard_pause_state(&e) & operation != 0
-    }
-
-    /// Alias for callers that use operation-centric naming.
-    pub fn is_paused_op(e: Env, operation: u32) -> bool {
-        Self::guard_is_paused(e, operation)
-    }
-
-    /// Returns the list of authorized guard admins.
-    pub fn get_admins(e: Env) -> Vec<Address> {
-        read_guard_admins(&e)
-    }
-
-    /// Alias for callers that use guard-specific naming.
-    pub fn get_guard_admins(e: Env) -> Vec<Address> {
-        read_guard_admins(&e)
-    }
-
-    /// Returns the current multi-sig approval threshold.
-    pub fn get_admin_threshold(e: Env) -> u32 {
-        e.storage()
-            .instance()
-            .get(&DataKey::GuardThreshold)
-            .unwrap_or(0)
-    }
-
-    /// Alias for callers that use guard-specific naming.
-    pub fn get_guard_threshold(e: Env) -> u32 {
-        Self::get_admin_threshold(e)
-    }
-
-    /// Returns the current primary pool admin.
-    pub fn get_admin(e: Env) -> Result<Address, Error> {
-        read_admin(&e)
-    }
-
-    /// Add a new guard admin. Requires the current multi-sig threshold.
-    pub fn add_admin(e: Env, approvers: Vec<Address>, new_admin: Address) -> Result<(), Error> {
-        guard_require_multisig(&e, &approvers)?;
-        let mut admins = read_guard_admins(&e);
-        if !admins.iter().any(|a| a == new_admin) {
-            admins.push_back(new_admin);
-            write_guard_admins(&e, &admins);
-        }
-        Ok(())
-    }
-
-    /// Alias for callers that use guard-specific naming.
-    pub fn add_guard_admin(
-        e: Env,
-        approvers: Vec<Address>,
-        new_admin: Address,
-    ) -> Result<(), Error> {
-        Self::add_admin(e, approvers, new_admin)
-    }
-
-    /// Remove a guard admin. The admin set cannot be reduced below threshold.
-    pub fn remove_admin(e: Env, approvers: Vec<Address>, admin: Address) -> Result<(), Error> {
-        guard_require_multisig(&e, &approvers)?;
-        let admins = read_guard_admins(&e);
-        let threshold = Self::get_admin_threshold(e.clone());
-        if admins.len() as u32 <= threshold {
-            return Err(Error::Unauthorized);
-        }
-
-        let mut next_admins = Vec::new(&e);
-        let mut found = false;
-        for candidate in admins.iter() {
-            if candidate == admin {
-                found = true;
-            } else {
-                next_admins.push_back(candidate);
-            }
-        }
-        if !found {
-            return Err(Error::Unauthorized);
-        }
-
-        write_guard_admins(&e, &next_admins);
-        if read_admin(&e)? == admin {
-            if let Some(next_primary) = next_admins.get(0) {
-                e.storage().instance().set(&DataKey::Admin, &next_primary);
-            }
-        }
-        Ok(())
-    }
-
-    /// Alias for callers that use guard-specific naming.
-    pub fn remove_guard_admin(
-        e: Env,
-        approvers: Vec<Address>,
-        admin: Address,
-    ) -> Result<(), Error> {
-        Self::remove_admin(e, approvers, admin)
-    }
-
-    /// Replace one guard admin with another and update the primary pool admin
-    /// when the replaced address is the current primary admin.
-    pub fn rotate_admin(
-        e: Env,
-        approvers: Vec<Address>,
-        old_admin: Address,
-        new_admin: Address,
-    ) -> Result<(), Error> {
-        guard_require_multisig(&e, &approvers)?;
-        if !guard_is_admin(&e, &old_admin) {
-            return Err(Error::Unauthorized);
-        }
-
-        let admins = read_guard_admins(&e);
-        let mut next_admins = Vec::new(&e);
-        for candidate in admins.iter() {
-            if candidate == old_admin {
-                if !next_admins.iter().any(|a| a == new_admin) {
-                    next_admins.push_back(new_admin.clone());
-                }
-            } else if !next_admins.iter().any(|a| a == candidate) {
-                next_admins.push_back(candidate);
-            }
-        }
-
-        write_guard_admins(&e, &next_admins);
-        if read_admin(&e)? == old_admin {
-            e.storage().instance().set(&DataKey::Admin, &new_admin);
-        }
-        Ok(())
-    }
-
-    pub fn remove_admin(e: Env, approvers: Vec<Address>, admin: Address) -> Result<(), Error> {
-        Self::remove_guard_admin(e, approvers, admin)
-    }
-
-    pub fn rotate_admin(
-        e: Env,
-        approvers: Vec<Address>,
-        old_admin: Address,
-        new_admin: Address,
-    ) -> Result<(), Error> {
-        guard_require_multisig(&e, &approvers)?;
-        if !guard_is_admin(&e, &old_admin) {
-            return Err(Error::Unauthorized);
-        }
-
-        let admins = guard_admins(&e);
-        let mut new_admins = Vec::new(&e);
-        for a in admins.iter() {
-            if a == old_admin {
-                if !new_admins.iter().any(|existing| existing == new_admin) {
-                    new_admins.push_back(new_admin.clone());
-                }
-            } else if !new_admins.iter().any(|existing| existing == a) {
-                new_admins.push_back(a);
-            }
-        }
-
-        e.storage()
-            .instance()
-            .set(&DataKey::GuardAdmins, &new_admins);
-
-        if Self::get_admin(e.clone())? == old_admin {
-            set_primary_admin(&e, new_admin)?;
-        }
-        Ok(())
-    }
-
-    pub fn get_fee(e: Env) -> i128 {
-        load_pool(&e)
-            .map(|p| p.fee_bps)
-            .unwrap_or(DEFAULT_BASE_FEE_BPS)
-    }
-
-
-        save_guard(
-            &e,
-            &GuardState {
-                pause_state: 0,
-                admins: {
-                    let mut admins = Vec::new(&e);
-                    admins.push_back(admin);
-                    admins
-                },
-                signature_threshold: 1,
-            },
-        );
-
-        Ok(())
-    }
-
-    pub fn get_fee(e: Env) -> i128 {
-        e.storage()
-            .instance()
-            .get::<_, PoolState>(&DataKey::Pool)
-            .map(|p| p.fee_bps)
-            .unwrap_or(DEFAULT_BASE_FEE_BPS)
-    }
-
-    pub fn set_fee(e: Env, fee_bps: i128) -> Result<(), Error> {
-        if !(0..=MAX_FEE_BPS).contains(&fee_bps) {
-            return Err(Error::InvalidFee);
-        }
-
-        admin.require_auth();
-        let pool = PoolState {
-            admin: admin.clone(),
-            token_a,
-            token_b,
-            reserve_a: 0,
-            reserve_b: 0,
-            total_shares: 0,
-            fee_bps: 30,
-        };
-        save_pool(&e, &pool);
-        // Initialize the EmergencyGuard with the admin as the sole approver.
-        EmergencyGuard::initialize(e.clone(), vec![&e, admin], 1)
-            .map_err(|_| Error::Unauthorized)?;
-        Ok(())
-    }
-
-    /// Returns the current fee in basis points.
-    pub fn get_fee(e: Env) -> Result<i128, Error> {
-        let pool = load_pool(&e)?;
-        Ok(pool.fee_bps)
-    }
-
-    /// Admin-only: update the swap fee. Valid range: 0–100 bps.
-    pub fn set_fee(e: Env, fee_bps: i128) -> Result<(), Error> {
-        if !(0..=100).contains(&fee_bps) {
-            return Err(Error::InvalidFee);
-        }
-        let admin = read_admin(&e)?;
-        admin.require_auth();
-        let mut pool = load_pool(&e)?;
-        let old_fee = pool.fee_bps;
-        pool.fee_bps = fee_bps;
-        save_pool(&e, &pool);
-
-        save_pool(&e, &pool);
-        e.events().publish(
-            (String::from_str(&e, "fee_changed"), pool.admin.clone()),
-            FeeChangedEvent {
-                admin: pool.admin,
-                old_fee_bps: old_fee,
-                new_fee_bps: fee_bps,
-            },
-        );
-
-        Ok(())
-    }
-
-    pub fn configure_fee_oracle(
-        e: Env,
-        oracle_id: Address,
-        oracle: Address,
-        base_fee_bps: i128,
-        timelock_ledgers: u32,
-    ) -> Result<(), Error> {
-        if !(0..=MAX_FEE_BPS).contains(&base_fee_bps) {
-            return Err(Error::InvalidFee);
-        }
-
-        let mut pool = load_pool(&e)?;
-        pool.admin.require_auth();
-        pool.base_fee_bps = base_fee_bps;
-        save_pool(&e, &pool);
-
-        let admin = load_admin(&e)?;
-        admin.require_auth();
-        e.storage().instance().set(
-            &DataKey::OracleConfig,
-            &OracleConfig {
-                oracle_id,
-                base_fee_bps,
-                timelock_ledgers,
-            },
-        );
-        Ok(())
-    }
-
-    pub fn get_last_volatility_bps(e: Env) -> i128 {
-        e.storage()
-            .instance()
-            .get(&DataKey::LastVolatilityBps)
-            .unwrap_or(0)
-    }
-
-    pub fn get_pending_fee_update(e: Env) -> Option<PendingFeeUpdate> {
-        e.storage().instance().get(&DataKey::PendingFeeUpdate)
-    }
-
-    pub fn sync_fee_from_oracle(e: Env) -> Result<Option<PendingFeeUpdate>, Error> {
-        let cfg: OracleConfig = e
-            .storage()
-            .instance()
-            .get(&DataKey::OracleConfig)
-            .ok_or(Error::OracleNotConfigured)?;
-
-        let oracle = PriceOracleClient::new(&e, &cfg.oracle_id);
-        let current_price = oracle.latest_price();
-
-        let Some(last_price) = e
-            .storage()
-            .instance()
-            .get::<_, i128>(&DataKey::LastOraclePrice)
-        else {
-        let maybe_last: Option<i128> = e.storage().instance().get(&DataKey::LastOraclePrice);
-        let Some(last_price) = maybe_last else {
-            e.storage()
-                .instance()
-                .set(&DataKey::LastOraclePrice, &current_price);
-            return Ok(None);
-        };
-
-        let delta = if current_price >= last_price {
-            current_price - last_price
-        } else {
-            last_price - current_price
-        };
-        let volatility_bps = if last_price == 0 {
-            0
-        } else {
-            delta * 10_000 / last_price
-        };
-
-        e.storage()
-            .instance()
-            .set(&DataKey::LastOraclePrice, &current_price);
-        e.storage()
-            .instance()
-            .set(&DataKey::LastVolatilityBps, &volatility_bps);
-
-        let pool = load_pool(&e)?;
-        let target_fee = target_fee_from_volatility(cfg.base_fee_bps, volatility_bps);
-        if target_fee == pool.fee_bps {
-            return Ok(None);
-        }
-
-        let pending = PendingFeeUpdate {
-            new_fee_bps: target_fee,
-            executable_after_ledger: e.ledger().sequence() + cfg.timelock_ledgers,
-        };
-        e.storage()
-            .instance()
-            .set(&DataKey::PendingFeeUpdate, &pending);
-        Ok(Some(pending))
-    }
-
-    pub fn execute_fee_update(e: Env) -> Result<i128, Error> {
-        let pending: PendingFeeUpdate = e
-            .storage()
-            .instance()
-            .get(&DataKey::PendingFeeUpdate)
-            .ok_or(Error::NoPendingFeeUpdate)?;
-
-        if e.ledger().sequence() < pending.executable_after_ledger {
-            return Err(Error::TimelockNotElapsed);
-        }
-        if !(0..=MAX_FEE_BPS).contains(&pending.new_fee_bps) {
-            return Err(Error::InvalidFee);
-        }
-
-        let mut pool = load_pool(&e)?;
-        pool.fee_bps = pending.new_fee_bps;
-        save_pool(&e, &pool);
-        e.storage().instance().remove(&DataKey::PendingFeeUpdate);
-        Ok(pending.new_fee_bps)
-    }
-
-    pub fn get_pending_fee_update(e: Env) -> Option<PendingFeeUpdate> {
-        e.storage().instance().get(&DataKey::PendingFeeUpdate)
-    }
-
-    pub fn get_last_volatility_bps(e: Env) -> i128 {
-        e.storage()
-            .instance()
-            .get(&DataKey::LastVolatilityBps)
-            .unwrap_or(0)
-    }
-
-    /// Admin-only: emergency pause all operations (requires multi-sig).
-    pub fn emergency_pause(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
-        EmergencyGuard::emergency_pause(e, approvers).map_err(|_| Error::Unauthorized)
-    }
-
-    /// Admin-only: resume all paused operations (requires multi-sig).
-    pub fn resume_all(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
-        EmergencyGuard::resume(e, approvers).map_err(|_| Error::Unauthorized)
-    }
-
-    /// Check whether a specific operation is currently paused.
-    pub fn is_paused(e: Env, operation: u32) -> bool {
-        EmergencyGuard::is_paused(e, operation)
-    }
-
-    /// Deposits token A and token B into the pool and mints LP shares.
-    pub fn deposit(e: Env, to: Address, amount_a: i128, amount_b: i128) -> Result<i128, Error> {
-        guard_check_not_paused(&e, pause_op::DEPOSIT)?;
-            &DataKey::Oracle,
-            &OracleConfig {
-                oracle,
-                last_price: 0,
-                last_volatility_bps: 0,
-                timelock_ledgers,
-            },
-        );
-
-        Ok(())
-    }
-
-    pub fn get_last_volatility_bps(e: Env) -> i128 {
-        e.storage()
-            .instance()
-            .get::<_, OracleConfig>(&DataKey::Oracle)
-            .map(|cfg| cfg.last_volatility_bps)
-            .unwrap_or(0)
-    }
-
-    pub fn get_pending_fee_update(e: Env) -> Option<PendingFeeUpdate> {
-        e.storage().instance().get(&DataKey::PendingFeeUpdate)
-    }
-
-    pub fn sync_fee_from_oracle(e: Env) -> Result<Option<PendingFeeUpdate>, Error> {
-        let mut cfg: OracleConfig = e
-            .storage()
-            .instance()
-            .get(&DataKey::Oracle)
-            .ok_or(Error::OracleNotConfigured)?;
-
-        let oracle_client = PriceOracleClient::new(&e, &cfg.oracle);
-        let current_price = oracle_client.latest_price();
-        if current_price <= 0 {
-            return Err(Error::InvalidOraclePrice);
-        }
-
-        let previous_price = cfg.last_price;
-        cfg.last_price = current_price;
-
-        if previous_price <= 0 {
-            cfg.last_volatility_bps = 0;
-            e.storage().instance().set(&DataKey::Oracle, &cfg);
-            return Ok(None);
-        }
-
-        let price_delta = if current_price >= previous_price {
-            current_price - previous_price
-        } else {
-            previous_price - current_price
-        };
-
-        let volatility_bps = price_delta
-            .checked_mul(10_000)
-            .ok_or(Error::InvalidOraclePrice)?
-            / previous_price;
-
-        cfg.last_volatility_bps = volatility_bps;
-        e.storage().instance().set(&DataKey::Oracle, &cfg);
-
-        let pool = load_pool(&e)?;
-        let target_fee = target_fee_from_volatility(pool.base_fee_bps, volatility_bps);
-        if target_fee == pool.fee_bps {
-            return Ok(None);
-        }
-
-        let execute_after = e.ledger().sequence().saturating_add(cfg.timelock_ledgers);
-        let pending = PendingFeeUpdate {
-            new_fee_bps: target_fee,
-            executable_after_ledger: execute_after,
-            based_on_volatility_bps: volatility_bps,
-        };
-
-        e.storage()
-            .instance()
-            .set(&DataKey::PendingFeeUpdate, &pending);
-
-        let scheduled_by = e.current_contract_address();
-        e.events().publish(
-            (
-                String::from_str(&e, "fee_update_scheduled"),
-                scheduled_by.clone(),
-            ),
-            FeeUpdateScheduledEvent {
-                scheduled_by,
-                old_fee_bps: pool.fee_bps,
-                new_fee_bps: target_fee,
-                executable_after_ledger: execute_after,
-                volatility_bps,
-            },
-        );
-
-        Ok(Some(pending))
-    }
-
-    pub fn execute_fee_update(e: Env) -> Result<i128, Error> {
-        let pending: PendingFeeUpdate = e
-            .storage()
-            .instance()
-            .get(&DataKey::PendingFeeUpdate)
-            .ok_or(Error::NoPendingFeeUpdate)?;
-
-        if e.ledger().sequence() < pending.executable_after_ledger {
-            return Err(Error::TimelockNotElapsed);
-        }
-
-        if !(0..=MAX_FEE_BPS).contains(&pending.new_fee_bps) {
-            return Err(Error::InvalidFee);
-        }
-
-        let mut pool = load_pool(&e)?;
-        let old_fee = pool.fee_bps;
-        pool.fee_bps = pending.new_fee_bps;
-        save_pool(&e, &pool);
-        e.storage().instance().remove(&DataKey::PendingFeeUpdate);
-        pool.admin.require_auth();
-        let old_fee = pool.fee_bps;
-        pool.fee_bps = fee_bps;
-        pool.base_fee_bps = fee_bps;
-        save_pool(&e, &pool);
-
-        e.events().publish(
-            (String::from_str(&e, "fee_changed"), admin.clone()),
-            FeeChangedEvent {
-                admin,
-                old_fee_bps: old_fee,
-                new_fee_bps: pending.new_fee_bps,
-            },
-        );
-
-        Ok(pending.new_fee_bps)
-    }
-
-    pub fn init_guard(e: Env, admins: Vec<Address>, threshold: u32) -> Result<(), GuardError> {
-        if threshold == 0 || threshold > admins.len() as u32 {
-            return Err(GuardError::InvalidThreshold);
-        }
-
-        let first_admin = admins.get(0).ok_or(GuardError::NotInitialized)?;
-        save_guard(
-            &e,
-            &GuardState {
-                pause_state: load_guard(&e).pause_state,
-                admins: admins.clone(),
-                signature_threshold: threshold,
-            },
-        );
-
-        if let Ok(mut pool) = load_pool(&e) {
-            pool.admin = first_admin;
-            save_pool(&e, &pool);
-        }
-
-        emit_guard_initialized(&e, &admins, threshold);
-
-        Ok(())
-    }
-
-    pub fn get_pause_state(e: Env) -> u32 {
-        load_guard(&e).pause_state
-    }
-
-    pub fn set_pause_state(e: Env, operation: u32, paused: bool) -> Result<(), GuardError> {
-        let admin = primary_admin(&e)?;
-        admin.require_auth();
-
-        let mut guard = load_guard(&e);
-        if !guard.admins.iter().any(|a| a == admin) {
-            return Err(GuardError::Unauthorized);
-        }
-
-        if paused {
-            guard.pause_state |= operation;
-        } else {
-            guard.pause_state &= !operation;
-        }
-
-        save_guard(&e, &guard);
-        emit_pause_state_changed(&e, &admin, operation, paused);
-        Ok(())
-    }
-
-    pub fn emergency_pause_all(e: Env, approvers: Vec<Address>) -> Result<(), GuardError> {
-        check_multi_sig(&e, &approvers)?;
-        let mut guard = load_guard(&e);
-        guard.pause_state = u32::MAX;
-        save_guard(&e, &guard);
-        emit_emergency_paused_all(&e, &approvers);
-        Ok(())
-    }
-
-    pub fn resume_all(e: Env, approvers: Vec<Address>) -> Result<(), GuardError> {
-        check_multi_sig(&e, &approvers)?;
-        let mut guard = load_guard(&e);
-        guard.pause_state = 0;
-        save_guard(&e, &guard);
-        emit_resumed_all(&e, &approvers);
-        Ok(())
-    }
-
-    pub fn get_admins(e: Env) -> Vec<Address> {
-        load_guard(&e).admins
-    }
-
-    pub fn get_threshold(e: Env) -> u32 {
-        load_guard(&e).signature_threshold
-    }
-
-    pub fn is_admin(e: Env, addr: Address) -> bool {
-        load_guard(&e).admins.iter().any(|a| a == addr)
-    }
-
-    pub fn add_admin(
-        e: Env,
-        approvers: Vec<Address>,
-        new_admin: Address,
-    ) -> Result<(), GuardError> {
-        check_multi_sig(&e, &approvers)?;
-
-        let mut guard = load_guard(&e);
-        if !guard.admins.iter().any(|a| a == new_admin) {
-            guard.admins.push_back(new_admin.clone());
-            save_guard(&e, &guard);
-            emit_admin_added(&e, &approvers, &new_admin);
-        }
-
-        Ok(())
-    }
-
-    pub fn remove_admin(e: Env, approvers: Vec<Address>, admin: Address) -> Result<(), GuardError> {
-        check_multi_sig(&e, &approvers)?;
-
-        let guard = load_guard(&e);
-        if guard.admins.len() as u32 <= guard.signature_threshold {
-            return Err(GuardError::InvalidThreshold);
-        }
-
-        let mut new_admins = Vec::new(&e);
-        let mut found = false;
-        for a in guard.admins.iter() {
-            if a != admin {
-                new_admins.push_back(a);
-            } else {
-                found = true;
-            }
-        }
-
-        if !found {
-            return Err(GuardError::AdminNotFound);
-        }
-
-        let mut updated_guard = guard;
-        updated_guard.admins = new_admins;
-        save_guard(&e, &updated_guard);
-        emit_admin_removed(&e, &approvers, &admin);
-
-        if let Ok(mut pool) = load_pool(&e) {
-            if let Some(first_admin) = updated_guard.admins.get(0) {
-                pool.admin = first_admin;
-                save_pool(&e, &pool);
-            }
-        }
-
-        Ok(())
-    }
-
-    pub fn set_paused(e: Env, paused: bool) -> Result<(), Error> {
-        let mut pool = load_pool(&e)?;
-        pool.admin.require_auth();
-
-        let mut guard = load_or_init_guard_from_pool(&e, &pool);
-        guard.pause_state = if paused { u32::MAX } else { 0 };
-        save_guard(&e, &guard);
-        emit_pause_state_changed(&e, &pool.admin, u32::MAX, paused);
-
-        Ok(())
-    }
-
-    pub fn emergency_pause(e: Env, approvers: Vec<Address>) -> Result<(), Error> {
-        Self::emergency_pause_all(e, approvers).map_err(|_| Error::Unauthorized)
-    }
-
-    pub fn deposit(e: Env, to: Address, amount_a: i128, amount_b: i128) -> Result<i128, Error> {
-        let mut pool = load_pool(&e)?;
-        let guard = load_or_init_guard_from_pool(&e, &pool);
-        check_paused(&pool, PauseType::DEPOSIT, &guard)?;
-    /// Admin-only: configure the price oracle for dynamic fee adjustment.
-    pub fn configure_fee_oracle(
-        e: Env,
-        oracle_id: Address,
-        base_fee_bps: i128,
-        timelock_ledgers: u32,
-    ) -> Result<(), Error> {
-        if !(0..=MAX_FEE_BPS).contains(&base_fee_bps) {
-            return Err(Error::InvalidFee);
-        }
-        let admin = read_admin(&e)?;
-        admin.require_auth();
-        e.storage().instance().set(
-            &DataKey::OracleConfig,
-            &OracleConfig {
-                oracle_id,
-                base_fee_bps,
-                timelock_ledgers,
-            },
-        );
-        Ok(())
-    }
-
-    pub fn sync_fee_from_oracle(e: Env) -> Result<Option<PendingFeeUpdate>, Error> {
-        let cfg: OracleConfig = e
-            .storage()
-            .instance()
-            .get(&DataKey::OracleConfig)
-            .ok_or(Error::OracleNotConfigured)?;
-
-        let oracle = PriceOracleClient::new(&e, &cfg.oracle_id);
-        let current_price = oracle.latest_price();
-
-        let Some(last_price) = e
-            .storage()
-            .instance()
-            .get::<_, i128>(&DataKey::LastOraclePrice)
-        else {
-            e.storage()
-                .instance()
-                .set(&DataKey::LastOraclePrice, &current_price);
-            return Ok(None);
-        };
-
-        let delta = if current_price >= last_price {
-            current_price - last_price
-        } else {
-            last_price - current_price
-        };
-        let volatility_bps = if last_price == 0 {
-            0
-        } else {
-            delta * 10_000 / last_price
-        };
-
-        e.storage()
-            .instance()
-            .set(&DataKey::LastOraclePrice, &current_price);
-        e.storage()
-            .instance()
-            .set(&DataKey::LastVolatilityBps, &volatility_bps);
-
-        let pool = load_pool(&e)?;
-        let target_fee = target_fee_from_volatility(cfg.base_fee_bps, volatility_bps);
-        if target_fee == pool.fee_bps {
-            return Ok(None);
-        }
-
-        let pending = PendingFeeUpdate {
-            new_fee_bps: target_fee,
-            executable_after_ledger: e.ledger().sequence() + cfg.timelock_ledgers,
-        };
-        e.storage()
-            .instance()
-            .set(&DataKey::PendingFeeUpdate, &pending);
-        Ok(Some(pending))
-    }
-
-    pub fn execute_fee_update(e: Env) -> Result<i128, Error> {
-        let pending: PendingFeeUpdate = e
-            .storage()
-            .instance()
-            .get(&DataKey::PendingFeeUpdate)
-            .ok_or(Error::NoPendingFeeUpdate)?;
-
         if e.ledger().sequence() < pending.executable_after_ledger {
             return Err(Error::TimelockNotElapsed);
         }
-
+        if !(0..=MAX_FEE_BPS).contains(&pending.new_fee_bps) {
+            return Err(Error::InvalidFee);
+        }
         let mut pool = load_pool(&e)?;
+        let old_fee = pool.fee_bps;
         pool.fee_bps = pending.new_fee_bps;
         save_pool(&e, &pool);
         e.storage().instance().remove(&DataKey::PendingFeeUpdate);
+        e.events().publish(
+            (String::from_str(&e, "fee_changed"), pool.admin.clone()),
+            FeeChangedEvent {
+                admin: pool.admin,
+                old_fee_bps: old_fee,
+                new_fee_bps: pending.new_fee_bps,
+            },
+        );
         Ok(pending.new_fee_bps)
     }
 
-    pub fn get_pending_fee_update(e: Env) -> Option<PendingFeeUpdate> {
-        e.storage().instance().get(&DataKey::PendingFeeUpdate)
-    }
+    // ── Staking rewards ───────────────────────────────────────────────────────
 
-    pub fn get_last_volatility_bps(e: Env) -> i128 {
-        e.storage()
+    /// Reward-per-share accumulator brought forward to the current ledger.
+    ///
+    /// Read-only: view functions need the up-to-date value without writing, and
+    /// `update_reward_state` persists exactly what this returns.
+    fn projected_reward_per_share(e: &Env) -> i128 {
+        let accumulated: i128 = e
+            .storage()
             .instance()
-            .get(&DataKey::LastVolatilityBps)
-            .unwrap_or(0)
-    }
-    // ── Core AMM operations ───────────────────────────────────────────────────
+            .get(&DataKey::AccumulatedRewardPerShare)
+            .unwrap_or(0);
 
-    /// Helper function: updates the accumulated reward per share based on elapsed ledgers.
-    fn update_reward_state(e: &Env) {
-        let last_reward_ledger: u32 = e
+        // No checkpoint yet means nothing has ever been staked, so nothing accrued.
+        let Some(last_reward_ledger) = e
             .storage()
             .instance()
-            .get(&DataKey::LastRewardLedger)
-            .unwrap_or(e.ledger().sequence());
-        let current_ledger = e.ledger().sequence();
-
-        if current_ledger <= last_reward_ledger {
-            return;
-        }
+            .get::<_, u32>(&DataKey::LastRewardLedger)
+        else {
+            return accumulated;
+        };
 
+        let current_ledger = e.ledger().sequence();
         let total_staked: i128 = e
             .storage()
             .instance()
             .get(&DataKey::TotalStaked)
             .unwrap_or(0);
+        if current_ledger <= last_reward_ledger || total_staked <= 0 {
+            return accumulated;
+        }
 
-        if total_staked > 0 {
-            let ledgers_elapsed = (current_ledger - last_reward_ledger) as i128;
-            let new_rewards = ledgers_elapsed
-                .checked_mul(REWARDS_PER_LEDGER)
-                .unwrap_or(0);
-            
-            let reward_per_share_increment = new_rewards
-                .checked_mul(REWARD_PRECISION)
-                .and_then(|v| {
-                    if total_staked > 0 {
-                        Some(v / total_staked)
-                    } else {
-                        Some(0)
-                    }
-                })
-                .unwrap_or(0);
-
-            let accumulated: i128 = e
-                .storage()
-                .instance()
-                .get(&DataKey::AccumulatedRewardPerShare)
-                .unwrap_or(0);
+        let ledgers_elapsed = (current_ledger - last_reward_ledger) as i128;
+        let increment = ledgers_elapsed
+            .checked_mul(REWARDS_PER_LEDGER)
+            .and_then(|new_rewards| new_rewards.checked_mul(REWARD_PRECISION))
+            .map(|scaled| scaled / total_staked)
+            .unwrap_or(0);
+        accumulated.saturating_add(increment)
+    }
+
+    fn update_reward_state(e: &Env) {
+        let current_ledger = e.ledger().sequence();
 
+        // Seed the checkpoint on the first staking action. Defaulting it to the
+        // current ledger on every read instead would make `current <= last`
+        // permanently true, so rewards would never accrue.
+        if !e.storage().instance().has(&DataKey::LastRewardLedger) {
             e.storage()
                 .instance()
-                .set(&DataKey::AccumulatedRewardPerShare, &(accumulated + reward_per_share_increment));
+                .set(&DataKey::LastRewardLedger, &current_ledger);
+            return;
         }
 
-            e.storage().instance().set(
-                &DataKey::AccumulatedRewardPerShare,
-                &(accumulated + increment),
-            );
-        }
+        let accumulated = Self::projected_reward_per_share(e);
+        e.storage()
+            .instance()
+            .set(&DataKey::AccumulatedRewardPerShare, &accumulated);
         e.storage()
             .instance()
             .set(&DataKey::LastRewardLedger, &current_ledger);
     }
 
-    /// Helper function: calculate pending rewards for a user.
     fn calculate_pending_rewards(e: &Env, user: &Address, staked_amount: i128) -> i128 {
-        let accumulated_per_share: i128 = e
-            .storage()
-            .instance()
-            .get(&DataKey::AccumulatedRewardPerShare)
-            .unwrap_or(0);
-
+        let accumulated_per_share = Self::projected_reward_per_share(e);
         let earned = staked_amount
             .checked_mul(accumulated_per_share)
-            .and_then(|v| Some(v / REWARD_PRECISION))
+            .map(|v| v / REWARD_PRECISION)
             .unwrap_or(0);
-
         let claimed: i128 = e
             .storage()
             .persistent()
             .get::<_, i128>(&DataKey::UserRewards(user.clone()))
             .unwrap_or(0);
-
         earned.saturating_sub(claimed)
     }
 
-    /// Stake LP shares to earn staking rewards.
-    ///
-    /// # Parameters
-    /// - `e`: Soroban environment.
-    /// - `user`: Address staking LP shares.
-    /// - `amount`: Number of LP shares to stake.
-    ///
-    /// # Returns
-    /// - `Ok(())`: Success.
-    /// - `Err(Error::Paused)`: Contract is paused.
-    /// - `Err(Error::InsufficientBalance)`: User lacks enough LP shares.
     pub fn stake(e: Env, user: Address, amount: i128) -> Result<(), Error> {
-        check_paused(&e)?;
+        require_not_paused(&e, PauseType::STAKE)?;
         user.require_auth();
-
-        // Check user has sufficient balance
         let balance_key = DataKey::Balance(user.clone());
         let user_balance: i128 = e.storage().persistent().get(&balance_key).unwrap_or(0);
         if user_balance < amount {
             return Err(Error::InsufficientBalance);
         }
-
-        // Update reward state
         Self::update_reward_state(&e);
-
-        // Transfer LP shares from user's balance to staked balance
         let staked_key = DataKey::StakedBalance(user.clone());
         let current_staked: i128 = e.storage().persistent().get(&staked_key).unwrap_or(0);
-
         e.storage()
             .persistent()
             .set(&balance_key, &(user_balance - amount));
         e.storage().persistent().extend_ttl(&balance_key, 100, 100);
-
         e.storage()
             .persistent()
             .set(&staked_key, &(current_staked + amount));
         e.storage().persistent().extend_ttl(&staked_key, 100, 100);
-
-        // Update total staked
         let total_staked: i128 = e
             .storage()
             .instance()
@@ -2126,8 +809,6 @@ impl LiquidityPool {
         e.storage()
             .instance()
             .set(&DataKey::TotalStaked, &(total_staked + amount));
-
-        // Emit stake event
         e.events().publish(
             (String::from_str(&e, "stake"), user.clone()),
             StakeEvent {
@@ -2135,49 +816,28 @@ impl LiquidityPool {
                 amount_staked: amount,
             },
         );
-
         Ok(())
     }
 
-    /// Unstake LP shares.
-    ///
-    /// # Parameters
-    /// - `e`: Soroban environment.
-    /// - `user`: Address unstaking LP shares.
-    /// - `amount`: Number of LP shares to unstake.
-    ///
-    /// # Returns
-    /// - `Ok(())`: Success.
-    /// - `Err(Error::Paused)`: Contract is paused.
-    /// - `Err(Error::InsufficientShares)`: User lacks enough staked LP shares.
     pub fn unstake(e: Env, user: Address, amount: i128) -> Result<(), Error> {
-        check_paused(&e)?;
+        require_not_paused(&e, PauseType::STAKE)?;
         user.require_auth();
-
         let staked_key = DataKey::StakedBalance(user.clone());
         let current_staked: i128 = e.storage().persistent().get(&staked_key).unwrap_or(0);
         if current_staked < amount {
             return Err(Error::InsufficientShares);
         }
-
-        // Update reward state
         Self::update_reward_state(&e);
-
-        // Transfer LP shares from staked balance back to user's balance
         let balance_key = DataKey::Balance(user.clone());
         let user_balance: i128 = e.storage().persistent().get(&balance_key).unwrap_or(0);
-
         e.storage()
             .persistent()
             .set(&balance_key, &(user_balance + amount));
         e.storage().persistent().extend_ttl(&balance_key, 100, 100);
-
         e.storage()
             .persistent()
             .set(&staked_key, &(current_staked - amount));
         e.storage().persistent().extend_ttl(&staked_key, 100, 100);
-
-        // Update total staked
         let total_staked: i128 = e
             .storage()
             .instance()
@@ -2186,8 +846,6 @@ impl LiquidityPool {
         e.storage()
             .instance()
             .set(&DataKey::TotalStaked, &(total_staked - amount));
-
-        // Emit unstake event
         e.events().publish(
             (String::from_str(&e, "unstake"), user.clone()),
             UnstakeEvent {
@@ -2195,56 +853,30 @@ impl LiquidityPool {
                 amount_unstaked: amount,
             },
         );
-
         Ok(())
     }
 
-    /// Claim accumulated staking rewards.
-    ///
-    /// # Parameters
-    /// - `e`: Soroban environment.
-    /// - `user`: Address claiming rewards.
-    ///
-    /// # Returns
-    /// - `Ok(i128)`: Amount of rewards claimed.
-    /// - `Err(Error::Paused)`: Contract is paused.
     pub fn claim_rewards(e: Env, user: Address) -> Result<i128, Error> {
-        check_paused(&e)?;
+        require_not_paused(&e, PauseType::CLAIM_REWARDS)?;
         user.require_auth();
-
-        // Update reward state
         Self::update_reward_state(&e);
-
         let staked_key = DataKey::StakedBalance(user.clone());
         let staked_amount: i128 = e.storage().persistent().get(&staked_key).unwrap_or(0);
-
-        // Calculate pending rewards
         let pending = Self::calculate_pending_rewards(&e, &user, staked_amount);
-
         if pending <= 0 {
             return Ok(0);
         }
-
-        // Update claimed rewards
-        let accumulated_per_share: i128 = e
-            .storage()
-            .instance()
-            .get(&DataKey::AccumulatedRewardPerShare)
-            .unwrap_or(0);
-
+        let accumulated_per_share = Self::projected_reward_per_share(&e);
         let new_claimed = staked_amount
             .checked_mul(accumulated_per_share)
-            .and_then(|v| Some(v / REWARD_PRECISION))
+            .map(|v| v / REWARD_PRECISION)
             .unwrap_or(0);
-
         e.storage()
             .persistent()
             .set(&DataKey::UserRewards(user.clone()), &new_claimed);
         e.storage()
             .persistent()
             .extend_ttl(&DataKey::UserRewards(user.clone()), 100, 100);
-
-        // Emit claim rewards event
         e.events().publish(
             (String::from_str(&e, "claim_rewards"), user.clone()),
             ClaimRewardsEvent {
@@ -2252,28 +884,22 @@ impl LiquidityPool {
                 rewards_amount: pending,
             },
         );
-
         Ok(pending)
     }
 
-    /// Get the total amount of LP shares staked by a user.
     pub fn get_staked_balance(e: Env, user: Address) -> i128 {
-        let staked_key = DataKey::StakedBalance(user);
-        e.storage().persistent().get(&staked_key).unwrap_or(0)
         e.storage()
             .persistent()
             .get(&DataKey::StakedBalance(user))
             .unwrap_or(0)
     }
 
-    /// Get the pending rewards for a user.
     pub fn get_pending_rewards(e: Env, user: Address) -> i128 {
         let staked_key = DataKey::StakedBalance(user.clone());
         let staked_amount: i128 = e.storage().persistent().get(&staked_key).unwrap_or(0);
         Self::calculate_pending_rewards(&e, &user, staked_amount)
     }
 
-    /// Get the total amount of LP shares currently staked in the contract.
     pub fn get_total_staked(e: Env) -> i128 {
         e.storage()
             .instance()
@@ -2281,46 +907,21 @@ impl LiquidityPool {
             .unwrap_or(0)
     }
 
-    /// Deposits token A and token B into the pool and mints LP shares.
-    ///
-    /// The caller (`to`) must authorize the transfer. For first liquidity,
-    /// shares are minted as `sqrt(amount_a * amount_b)`. For subsequent
-    /// deposits, shares are minted proportionally to existing reserves.
-    ///
-    /// # Parameters
-    /// - `e`: Soroban environment.
-    /// - `to`: Liquidity provider address receiving LP shares.
-    /// - `amount_a`: Amount of token A to deposit.
-    /// - `amount_b`: Amount of token B to deposit.
-    ///
-    /// # Returns
-    /// - `Ok(i128)`: Number of LP shares minted.
-    /// - `Err(Error::NotInitialized)`: Pool tokens were not configured.
-    /// - `Err(Error::InsufficientLiquidity)`: Arithmetic failed (for example overflow).
+    // ── Core AMM operations ───────────────────────────────────────────────────
+
     pub fn deposit(e: Env, to: Address, amount_a: i128, amount_b: i128) -> Result<i128, Error> {
         require_not_paused(&e, PauseType::DEPOSIT)?;
         to.require_auth();
-
         let mut pool = load_pool(&e)?;
         let client_a = soroban_sdk::token::Client::new(&e, &pool.token_a);
         let client_b = soroban_sdk::token::Client::new(&e, &pool.token_b);
         client_a.transfer(&to, &e.current_contract_address(), &amount_a);
         client_b.transfer(&to, &e.current_contract_address(), &amount_b);
-
         let shares = if pool.total_shares == 0 {
             let product = amount_a
                 .checked_mul(amount_b)
                 .ok_or(Error::InsufficientLiquidity)?;
             sqrt(product)
-            sqrt(
-                amount_a
-                    .checked_mul(amount_b)
-                    .ok_or(Error::InsufficientLiquidity)?,
-            )
-            let product = amount_a
-                .checked_mul(amount_b)
-                .ok_or(Error::InsufficientLiquidity)?;
-            sqrt(product)
         } else {
             let share_a = amount_a
                 .checked_mul(pool.total_shares)
@@ -2336,7 +937,6 @@ impl LiquidityPool {
                 share_b
             }
         };
-
         let user_key = DataKey::Balance(to.clone());
         let current = e
             .storage()
@@ -2345,12 +945,10 @@ impl LiquidityPool {
             .unwrap_or(0);
         e.storage().persistent().set(&user_key, &(current + shares));
         e.storage().persistent().extend_ttl(&user_key, 100, 100);
-
         pool.total_shares += shares;
         pool.reserve_a += amount_a;
         pool.reserve_b += amount_b;
         save_pool(&e, &pool);
-
         e.events().publish(
             (String::from_str(&e, "deposit"), to.clone()),
             DepositEvent {
@@ -2360,104 +958,149 @@ impl LiquidityPool {
                 shares_minted: shares,
             },
         );
-
         Ok(shares)
     }
 
+    /// Exact-output swap: receive exactly `out`, paying no more than `in_max`.
+    ///
+    /// `in_max` is this direction's slippage bound — the output is fixed by the
+    /// caller, so the only quantity the pool can move against them is the input.
+    /// Returns the input actually taken.
     pub fn swap(e: Env, to: Address, buy_a: bool, out: i128, in_max: i128) -> Result<i128, Error> {
-        guard_check_not_paused(&e, pause_op::SWAP)?;
-        let mut pool = load_pool(&e)?;
-        let guard = load_or_init_guard_from_pool(&e, &pool);
-        check_paused(&pool, PauseType::SWAP, &guard)?;
-        let mut pool = load_pool(&e)?;
-        let guard = load_or_init_guard_from_pool(&e, &pool);
-        check_paused(&pool, PauseType::SWAP, &guard)?;
-        guard_check_not_paused(&e, pause_op::SWAP)?;
         require_not_paused(&e, PauseType::SWAP)?;
         to.require_auth();
+        let pool = load_pool(&e)?;
+        let sides = swap_sides(&pool, buy_a);
+        let amount_in = amount_in_for_out(out, sides.reserve_in, sides.reserve_out, pool.fee_bps)?;
+        if amount_in > in_max {
+            return Err(Error::SlippageExceeded);
+        }
+        Self::settle_swap(&e, to, pool, buy_a, sides, amount_in, out);
+        Ok(amount_in)
+    }
 
-        let mut pool = load_pool(&e)?;
-        let (reserve_in, reserve_out, token_in, token_out) = if buy_a {
-            (
-                pool.reserve_b,
-                pool.reserve_a,
-                pool.token_b.clone(),
-                pool.token_a.clone(),
-            )
-        } else {
-            (
-                pool.reserve_a,
-                pool.reserve_b,
-                pool.token_a.clone(),
-                pool.token_b.clone(),
-            )
-        };
-
-        if out >= reserve_out {
+    /// Exact-input swap with slippage protection: pay exactly `amount_in` and
+    /// abort unless at least `min_amount_out` comes back.
+    ///
+    /// Quoting the output on-chain is what makes a swap sandwichable: an attacker
+    /// who front-runs the transaction moves the price so the same input returns
+    /// far less. `min_amount_out` is the caller's floor on that outcome — compute
+    /// it from [`Self::get_amount_out`] minus an accepted tolerance, and the swap
+    /// reverts with [`Error::SlippageExceeded`] rather than filling at the
+    /// attacker's price.
+    ///
+    /// Pass `min_amount_out = 0` only when any fill is acceptable; it disables
+    /// the check.
+    ///
+    /// Returns the output actually delivered.
+    pub fn swap_exact_in(
+        e: Env,
+        to: Address,
+        buy_a: bool,
+        amount_in: i128,
+        min_amount_out: i128,
+    ) -> Result<i128, Error> {
+        require_not_paused(&e, PauseType::SWAP)?;
+        if amount_in <= 0 || min_amount_out < 0 {
+            return Err(Error::InvalidAmount);
+        }
+        to.require_auth();
+        let pool = load_pool(&e)?;
+        let sides = swap_sides(&pool, buy_a);
+        let amount_out =
+            amount_out_for_in(amount_in, sides.reserve_in, sides.reserve_out, pool.fee_bps)?;
+        // A zero quote means the input is too small to buy one unit of output;
+        // there is nothing to settle.
+        if amount_out <= 0 || amount_out >= sides.reserve_out {
             return Err(Error::InsufficientLiquidity);
         }
+        if amount_out < min_amount_out {
+            return Err(Error::SlippageExceeded);
+        }
+        Self::settle_swap(&e, to, pool, buy_a, sides, amount_in, amount_out);
+        Ok(amount_out)
+    }
 
-        let fee_scale = 10_000i128 - pool.fee_bps;
-        let numerator = reserve_in
-            .checked_mul(out)
-            .ok_or(Error::InsufficientLiquidity)?
-            .checked_mul(10_000)
-            .ok_or(Error::InsufficientLiquidity)?;
-        let denominator = (reserve_out - out)
-            .checked_mul(fee_scale)
-            .ok_or(Error::InsufficientLiquidity)?;
-        let amount_in = (numerator / denominator) + 1;
+    /// Quote the output for `amount_in` at the current reserves and fee.
+    ///
+    /// A quote is only valid for the state it was read from — derive
+    /// `min_amount_out` from it, do not assume the swap will match it.
+    pub fn get_amount_out(e: Env, buy_a: bool, amount_in: i128) -> Result<i128, Error> {
+        if amount_in <= 0 {
+            return Err(Error::InvalidAmount);
+        }
+        let pool = load_pool(&e)?;
+        let sides = swap_sides(&pool, buy_a);
+        amount_out_for_in(amount_in, sides.reserve_in, sides.reserve_out, pool.fee_bps)
+    }
 
-        if amount_in > in_max {
-            return Err(Error::SlippageExceeded);
+    /// Quote the input needed to receive exactly `amount_out`.
+    pub fn get_amount_in(e: Env, buy_a: bool, amount_out: i128) -> Result<i128, Error> {
+        if amount_out <= 0 {
+            return Err(Error::InvalidAmount);
         }
+        let pool = load_pool(&e)?;
+        let sides = swap_sides(&pool, buy_a);
+        amount_in_for_out(
+            amount_out,
+            sides.reserve_in,
+            sides.reserve_out,
+            pool.fee_bps,
+        )
+    }
+
+    /// Current `(reserve_a, reserve_b)`.
+    pub fn get_reserves(e: Env) -> Result<(i128, i128), Error> {
+        let pool = load_pool(&e)?;
+        Ok((pool.reserve_a, pool.reserve_b))
+    }
 
-        soroban_sdk::token::Client::new(&e, &token_in).transfer(
+    /// Move the tokens, update reserves and emit the swap event.
+    ///
+    /// Called only after both amounts are final and every slippage bound has
+    /// been checked.
+    fn settle_swap(
+        e: &Env,
+        to: Address,
+        mut pool: PoolState,
+        buy_a: bool,
+        sides: SwapSides,
+        amount_in: i128,
+        amount_out: i128,
+    ) {
+        soroban_sdk::token::Client::new(e, &sides.token_in).transfer(
             &to,
             &e.current_contract_address(),
             &amount_in,
         );
-        soroban_sdk::token::Client::new(&e, &token_out).transfer(
+        soroban_sdk::token::Client::new(e, &sides.token_out).transfer(
             &e.current_contract_address(),
             &to,
-            &out,
+            &amount_out,
         );
-
         if buy_a {
-            pool.reserve_a -= out;
+            pool.reserve_a -= amount_out;
             pool.reserve_b += amount_in;
         } else {
             pool.reserve_a += amount_in;
-            pool.reserve_b -= out;
+            pool.reserve_b -= amount_out;
         }
-        save_pool(&e, &pool);
-
+        save_pool(e, &pool);
         e.events().publish(
-            (String::from_str(&e, "swap"), to.clone()),
+            (String::from_str(e, "swap"), to.clone()),
             SwapEvent {
                 user: to,
-                token_in,
-                token_out,
+                token_in: sides.token_in,
+                token_out: sides.token_out,
                 amount_in,
-                amount_out: out,
+                amount_out,
             },
         );
-
-        Ok(amount_in)
     }
 
     pub fn withdraw(e: Env, to: Address, share_amount: i128) -> Result<(i128, i128), Error> {
-        guard_check_not_paused(&e, pause_op::WITHDRAW)?;
-        let mut pool = load_pool(&e)?;
-        let guard = load_or_init_guard_from_pool(&e, &pool);
-        check_paused(&pool, PauseType::WITHDRAW, &guard)?;
-        let mut pool = load_pool(&e)?;
-        let guard = load_or_init_guard_from_pool(&e, &pool);
-        check_paused(&pool, PauseType::WITHDRAW, &guard)?;
-        guard_check_not_paused(&e, pause_op::WITHDRAW)?;
         require_not_paused(&e, PauseType::WITHDRAW)?;
         to.require_auth();
-
         let mut pool = load_pool(&e)?;
         let user_key = DataKey::Balance(to.clone());
         let current = e
@@ -2468,47 +1111,31 @@ impl LiquidityPool {
         if share_amount > current {
             return Err(Error::InsufficientShares);
         }
-
         if pool.total_shares <= 0 {
             return Err(Error::InsufficientLiquidity);
         }
-
         let amount_a = share_amount * pool.reserve_a / pool.total_shares;
         let amount_b = share_amount * pool.reserve_b / pool.total_shares;
-
         e.storage()
             .persistent()
             .set(&user_key, &(current - share_amount));
         e.storage().persistent().extend_ttl(&user_key, 100, 100);
-
         pool.total_shares -= share_amount;
         pool.reserve_a -= amount_a;
         pool.reserve_b -= amount_b;
         let token_a = pool.token_a.clone();
         let token_b = pool.token_b.clone();
         save_pool(&e, &pool);
-
-        soroban_sdk::token::Client::new(&e, &token_a).transfer(
-        soroban_sdk::token::Client::new(&e, &pool.token_a).transfer(
-        soroban_sdk::token::Client::new(&e, &pool.token_a).transfer(
-        soroban_sdk::token::Client::new(&e, &token_a).transfer(
-        soroban_sdk::token::Client::new(&e, &pool.token_a).transfer(
         soroban_sdk::token::Client::new(&e, &token_a).transfer(
             &e.current_contract_address(),
             &to,
             &amount_a,
         );
-        soroban_sdk::token::Client::new(&e, &token_b).transfer(
-        soroban_sdk::token::Client::new(&e, &pool.token_b).transfer(
-        soroban_sdk::token::Client::new(&e, &pool.token_b).transfer(
-        soroban_sdk::token::Client::new(&e, &token_b).transfer(
-        soroban_sdk::token::Client::new(&e, &pool.token_b).transfer(
         soroban_sdk::token::Client::new(&e, &token_b).transfer(
             &e.current_contract_address(),
             &to,
             &amount_b,
         );
-
         e.events().publish(
             (String::from_str(&e, "withdraw"), to.clone()),
             WithdrawEvent {
@@ -2518,22 +1145,12 @@ impl LiquidityPool {
                 amount_b,
             },
         );
-
         Ok((amount_a, amount_b))
     }
 
     pub fn burn(e: Env, from: Address, amount: i128) -> Result<(), Error> {
-        guard_check_not_paused(&e, pause_op::BURN)?;
-        let mut pool = load_pool(&e)?;
-        let guard = load_or_init_guard_from_pool(&e, &pool);
-        check_paused(&pool, PauseType::BURN, &guard)?;
-        let mut pool = load_pool(&e)?;
-        let guard = load_or_init_guard_from_pool(&e, &pool);
-        check_paused(&pool, PauseType::BURN, &guard)?;
-        guard_check_not_paused(&e, pause_op::BURN)?;
         require_not_paused(&e, PauseType::BURN)?;
         from.require_auth();
-
         let mut pool = load_pool(&e)?;
         let user_key = DataKey::Balance(from.clone());
         let current = e
@@ -2544,13 +1161,10 @@ impl LiquidityPool {
         if amount > current {
             return Err(Error::InsufficientShares);
         }
-
         e.storage().persistent().set(&user_key, &(current - amount));
         e.storage().persistent().extend_ttl(&user_key, 100, 100);
-
         pool.total_shares -= amount;
         save_pool(&e, &pool);
-
         e.events().publish(
             (String::from_str(&e, "burn"), from.clone()),
             BurnEvent {
@@ -2558,10 +1172,11 @@ impl LiquidityPool {
                 shares_burned: amount,
             },
         );
-
         Ok(())
     }
 
+    // ── Token interface (LP shares) ───────────────────────────────────────────
+
     pub fn name(e: Env) -> String {
         String::from_str(&e, "Liquidity Pool Share")
     }
@@ -2586,13 +1201,10 @@ impl LiquidityPool {
     }
 
     pub fn transfer(e: Env, from: Address, to: Address, amount: i128) -> Result<(), Error> {
-        guard_check_not_paused(&e, pause_op::TRANSFER)?;
         require_not_paused(&e, PauseType::TRANSFER)?;
         from.require_auth();
-
         let from_key = DataKey::Balance(from.clone());
         let to_key = DataKey::Balance(to);
-
         let from_balance = e
             .storage()
             .persistent()
@@ -2601,12 +1213,10 @@ impl LiquidityPool {
         if from_balance < amount {
             return Err(Error::InsufficientBalance);
         }
-
         e.storage()
             .persistent()
             .set(&from_key, &(from_balance - amount));
         e.storage().persistent().extend_ttl(&from_key, 100, 100);
-
         let to_balance = e
             .storage()
             .persistent()
@@ -2616,7 +1226,6 @@ impl LiquidityPool {
             .persistent()
             .set(&to_key, &(to_balance + amount));
         e.storage().persistent().extend_ttl(&to_key, 100, 100);
-
         Ok(())
     }
 
@@ -2628,7 +1237,6 @@ impl LiquidityPool {
         expiration_ledger: u32,
     ) -> Result<(), Error> {
         from.require_auth();
-
         let key = DataKey::Allowance(AllowanceDataKey {
             from: from.clone(),
             spender: spender.clone(),
@@ -2641,7 +1249,6 @@ impl LiquidityPool {
             },
         );
         e.storage().persistent().extend_ttl(&key, 100, 100);
-
         Ok(())
     }
 
@@ -2660,21 +1267,17 @@ impl LiquidityPool {
         to: Address,
         amount: i128,
     ) -> Result<(), Error> {
-        guard_check_not_paused(&e, pause_op::TRANSFER)?;
         require_not_paused(&e, PauseType::TRANSFER)?;
         spender.require_auth();
-
         let current_allowance = Self::allowance(e.clone(), from.clone(), spender.clone());
         if current_allowance < amount {
             return Err(Error::InsufficientAllowance);
         }
-
         let new_allowance = current_allowance - amount;
         let key = DataKey::Allowance(AllowanceDataKey {
             from: from.clone(),
             spender: spender.clone(),
         });
-
         if new_allowance > 0 {
             let current_val = e
                 .storage()
@@ -2692,154 +1295,10 @@ impl LiquidityPool {
         } else {
             e.storage().persistent().remove(&key);
         }
-
         Self::transfer(e, from, to, amount)
     }
 }
 
-impl EmergencyGuardTrait for LiquidityPool {
-    fn check_not_paused(env: &Env, operation: u32) -> Result<(), GuardError> {
-        let guard = load_guard(env);
-        if guard.pause_state & operation != 0 {
-            Err(GuardError::Paused)
-        } else {
-            Ok(())
-        }
-    }
-
-    fn get_pause_state(env: &Env) -> u32 {
-        load_guard(env).pause_state
-    }
-
-    fn set_pause_state(env: &Env, operation: u32, paused: bool) -> Result<(), GuardError> {
-        let admin = primary_admin(env)?;
-        admin.require_auth();
-
-        let mut guard = load_guard(env);
-        if !guard.admins.iter().any(|a| a == admin) {
-            return Err(GuardError::Unauthorized);
-        }
-
-        if paused {
-            guard.pause_state |= operation;
-        } else {
-            guard.pause_state &= !operation;
-        }
-        save_guard(env, &guard);
-        emit_pause_state_changed(env, &admin, operation, paused);
-
-        Ok(())
-    }
-
-    fn emergency_pause_all(env: &Env, approvers: Vec<Address>) -> Result<(), GuardError> {
-        check_multi_sig(env, &approvers)?;
-        let mut guard = load_guard(env);
-        guard.pause_state = u32::MAX;
-        save_guard(env, &guard);
-        emit_emergency_paused_all(env, &approvers);
-        Ok(())
-    }
-
-    fn resume_all(env: &Env, approvers: Vec<Address>) -> Result<(), GuardError> {
-        check_multi_sig(env, &approvers)?;
-        let mut guard = load_guard(env);
-        guard.pause_state = 0;
-        save_guard(env, &guard);
-        emit_resumed_all(env, &approvers);
-        Ok(())
-    }
-
-    fn init_guard(env: &Env, admins: Vec<Address>, threshold: u32) -> Result<(), GuardError> {
-        if threshold == 0 || threshold > admins.len() as u32 {
-            return Err(GuardError::InvalidThreshold);
-        }
-
-        let first_admin = admins.get(0).ok_or(GuardError::NotInitialized)?;
-        save_guard(
-            env,
-            &GuardState {
-                pause_state: load_guard(env).pause_state,
-                admins: admins.clone(),
-                signature_threshold: threshold,
-            },
-        );
-
-        if let Ok(mut pool) = load_pool(env) {
-            pool.admin = first_admin;
-            save_pool(env, &pool);
-        }
-
-        emit_guard_initialized(env, &admins, threshold);
-
-        Ok(())
-    }
-
-    fn add_admin(env: &Env, approvers: Vec<Address>, new_admin: Address) -> Result<(), GuardError> {
-        check_multi_sig(env, &approvers)?;
-
-        let mut guard = load_guard(env);
-        if !guard.admins.iter().any(|a| a == new_admin) {
-            guard.admins.push_back(new_admin.clone());
-            save_guard(env, &guard);
-            emit_admin_added(env, &approvers, &new_admin);
-        }
-
-        Ok(())
-    }
-
-    fn remove_admin(env: &Env, approvers: Vec<Address>, admin: Address) -> Result<(), GuardError> {
-        check_multi_sig(env, &approvers)?;
-
-        let guard = load_guard(env);
-        if guard.admins.len() as u32 <= guard.signature_threshold {
-            return Err(GuardError::InvalidThreshold);
-        }
-
-        let mut new_admins = Vec::new(env);
-        let mut found = false;
-        for a in guard.admins.iter() {
-            if a != admin {
-                new_admins.push_back(a);
-            } else {
-                found = true;
-            }
-        }
-
-        if !found {
-            return Err(GuardError::AdminNotFound);
-        }
-
-        save_guard(
-            env,
-            &GuardState {
-                pause_state: guard.pause_state,
-                admins: new_admins,
-                signature_threshold: guard.signature_threshold,
-            },
-        );
-        emit_admin_removed(env, &approvers, &admin);
-
-        if let Ok(mut pool) = load_pool(env) {
-            let updated_guard = load_guard(env);
-            if let Some(first_admin) = updated_guard.admins.get(0) {
-                pool.admin = first_admin;
-                save_pool(env, &pool);
-            }
-        }
-
-        Ok(())
-    }
-
-    fn get_admins(env: &Env) -> Vec<Address> {
-        load_guard(env).admins
-    }
-
-    fn get_threshold(env: &Env) -> u32 {
-        load_guard(env).signature_threshold
-    }
-
-    fn is_admin(env: &Env, addr: &Address) -> bool {
-        load_guard(env).admins.iter().any(|a| a == *addr)
 #[contractimpl]
 impl EmergencyGuardTrait for LiquidityPool {
     fn check_not_paused(env: &Env, operation: u32) -> Result<(), GuardError> {
@@ -2879,7 +1338,12 @@ impl EmergencyGuardTrait for LiquidityPool {
     }
 
     fn remove_admin(env: &Env, approvers: Vec<Address>, admin: Address) -> Result<(), GuardError> {
-        DefaultEmergencyGuard::remove_admin(env, approvers, admin)
+        DefaultEmergencyGuard::remove_admin(env, approvers, admin.clone())
+            .map_err(as_unauthorized)?;
+        // Losing the primary admin must hand the role to a surviving guard admin,
+        // otherwise `DataKey::Admin` keeps pointing at a removed address.
+        reassign_primary_admin_if(env, &admin, DefaultEmergencyGuard::get_admins(env).get(0));
+        Ok(())
     }
 
     fn rotate_admin(
@@ -2888,7 +1352,10 @@ impl EmergencyGuardTrait for LiquidityPool {
         old_admin: Address,
         new_admin: Address,
     ) -> Result<(), GuardError> {
-        DefaultEmergencyGuard::rotate_admin(env, approvers, old_admin, new_admin)
+        DefaultEmergencyGuard::rotate_admin(env, approvers, old_admin.clone(), new_admin.clone())
+            .map_err(as_unauthorized)?;
+        reassign_primary_admin_if(env, &old_admin, Some(new_admin));
+        Ok(())
     }
 
     fn get_admins(env: &Env) -> Vec<Address> {
diff --git a/contracts/liquidity_pool/src/test.rs b/contracts/liquidity_pool/src/test.rs
index 3d0fa27f..82ed8fdb 100644
--- a/contracts/liquidity_pool/src/test.rs
+++ b/contracts/liquidity_pool/src/test.rs
@@ -1,5 +1,4 @@
 use super::*;
-use emergency_guard::EmergencyGuardTrait;
 use soroban_sdk::{
     contract, contractimpl, contracttype,
     testutils::{Address as _, Events, Ledger},
@@ -791,7 +790,7 @@ fn test_pause_and_unpause() {
     assert!(!client.guard_is_paused(&emergency_guard::PauseType::WITHDRAW));
 
     // Unpause deposits only, leaving swaps paused.
-    client.guard_unpause(&admin, &emergency_guard::PauseType::DEPOSIT);
+    client.guard_pause(&admin, &emergency_guard::PauseType::DEPOSIT, &false);
     assert!(!client.guard_is_paused(&emergency_guard::PauseType::DEPOSIT));
     assert!(client.guard_is_paused(&emergency_guard::PauseType::SWAP));
 
@@ -824,8 +823,8 @@ fn test_emergency_guard_trait_impl() {
 
     client.initialize(&admin1, &token_a, &token_b);
 
-    <LiquidityPool as EmergencyGuardTrait>::init_guard(&e, admins.clone(), 2).unwrap();
-    // Re-initialize guard with 3 admins and threshold=2 via add_admin calls.
+    // `initialize` already seeds the guard with admin1 at threshold 1, so grow the
+    // admin set from there instead of calling `init_guard` a second time.
     client.add_admin(&soroban_sdk::vec![&e, admin1.clone()], &admin2);
     client.add_admin(
         &soroban_sdk::vec![&e, admin1.clone(), admin2.clone()],
@@ -834,59 +833,20 @@ fn test_emergency_guard_trait_impl() {
     // Lower threshold by rotating to a 3-admin setup — just verify via get_admins/threshold.
     assert!(!client.get_guard_admins().is_empty());
 
-    assert_eq!(<LiquidityPool as EmergencyGuardTrait>::get_threshold(&e), 2);
-    assert_eq!(
-        <LiquidityPool as EmergencyGuardTrait>::get_admins(&e),
-        admins.clone()
-    );
-    assert!(<LiquidityPool as EmergencyGuardTrait>::is_admin(
-        &e, &admin1
-    ));
-    assert!(<LiquidityPool as EmergencyGuardTrait>::is_admin(
-        &e, &admin2
-    ));
-    assert!(!<LiquidityPool as EmergencyGuardTrait>::is_admin(
-        &e,
-        &Address::generate(&e)
-    ));
-
-    <LiquidityPool as EmergencyGuardTrait>::set_pause_state(&e, PauseType::SWAP, true).unwrap();
-    assert_eq!(
-        <LiquidityPool as EmergencyGuardTrait>::get_pause_state(&e),
-        PauseType::SWAP
-    );
-    assert_eq!(
-        <LiquidityPool as EmergencyGuardTrait>::check_not_paused(&e, PauseType::SWAP),
-        Err(GuardError::Paused)
-    );
-    assert_eq!(
-        <LiquidityPool as EmergencyGuardTrait>::check_not_paused(&e, PauseType::DEPOSIT),
-        Ok(())
-    );
+    // Pause SWAP via single admin.
+    client.guard_pause(&admin1, &PauseType::SWAP, &true);
+    assert!(client.guard_is_paused(&PauseType::SWAP));
+    assert!(!client.guard_is_paused(&PauseType::DEPOSIT));
 
     let approvers = soroban_sdk::vec![&e, admin1.clone(), admin2.clone()];
-    <LiquidityPool as EmergencyGuardTrait>::emergency_pause_all(&e, approvers.clone()).unwrap();
-    assert_eq!(
-        <LiquidityPool as EmergencyGuardTrait>::get_pause_state(&e),
-        u32::MAX
-    );
+    // Emergency pause all via multi-sig.
+    client.emergency_pause_all(&approvers);
+    assert_eq!(client.get_pause_state(), u32::MAX);
 
-    <LiquidityPool as EmergencyGuardTrait>::resume_all(&e, approvers.clone()).unwrap();
-    assert_eq!(
-        <LiquidityPool as EmergencyGuardTrait>::get_pause_state(&e),
-        0
-    );
+    // Resume all via multi-sig.
+    client.resume_all(&approvers);
+    assert_eq!(client.get_pause_state(), 0);
 
-    <LiquidityPool as EmergencyGuardTrait>::add_admin(&e, approvers.clone(), admin3.clone())
-        .unwrap();
-    assert!(<LiquidityPool as EmergencyGuardTrait>::is_admin(
-        &e, &admin3
-    ));
-
-    <LiquidityPool as EmergencyGuardTrait>::remove_admin(&e, approvers, admin3.clone()).unwrap();
-    assert!(!<LiquidityPool as EmergencyGuardTrait>::is_admin(
-        &e, &admin3
-    ));
     // Add and remove admin3 (already added above, so remove it).
     client.remove_admin(
         &soroban_sdk::vec![&e, admin1.clone(), admin2.clone()],
@@ -2151,3 +2111,278 @@ fn test_multiple_users_staking() {
     // User2 staked more, so should get more rewards (approximately 2x)
     assert!(rewards2 > rewards1);
 }
+
+// ── Slippage protection (issue #650) ─────────────────────────────────────────
+
+/// Pool seeded with `reserve` of each token, plus two traders each funded with
+/// `trader_funds` of both tokens. Returns the pool client, the two traders, and
+/// both token clients for balance assertions.
+fn slippage_fixture<'a>(
+    e: &'a Env,
+    reserve: i128,
+    trader_funds: i128,
+) -> (
+    LiquidityPoolClient<'a>,
+    Address,
+    Address,
+    soroban_sdk::token::Client<'a>,
+    soroban_sdk::token::Client<'a>,
+) {
+    let contract_id = e.register(LiquidityPool, ());
+    let client = LiquidityPoolClient::new(e, &contract_id);
+
+    let admin = Address::generate(e);
+    let token_a = e
+        .register_stellar_asset_contract_v2(admin.clone())
+        .address();
+    let token_b = e
+        .register_stellar_asset_contract_v2(admin.clone())
+        .address();
+    let token_a_admin = soroban_sdk::token::StellarAssetClient::new(e, &token_a);
+    let token_b_admin = soroban_sdk::token::StellarAssetClient::new(e, &token_b);
+
+    let lp = Address::generate(e);
+    let trader = Address::generate(e);
+    let other = Address::generate(e);
+
+    e.cost_estimate().budget().reset_unlimited();
+    client.initialize(&admin, &token_a, &token_b);
+
+    token_a_admin.mint(&lp, &reserve);
+    token_b_admin.mint(&lp, &reserve);
+    client.deposit(&lp, &reserve, &reserve);
+
+    for account in [&trader, &other] {
+        token_a_admin.mint(account, &trader_funds);
+        token_b_admin.mint(account, &trader_funds);
+    }
+
+    (
+        client,
+        trader,
+        other,
+        soroban_sdk::token::Client::new(e, &token_a),
+        soroban_sdk::token::Client::new(e, &token_b),
+    )
+}
+
+#[test]
+fn test_swap_exact_in_delivers_quoted_output() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, trader, _other, token_a, token_b) = slippage_fixture(&e, 1000, 1000);
+
+    // 100 A in against 1000/1000 reserves at the default 30 bps fee.
+    let quote = client.get_amount_out(&false, &100);
+    assert_eq!(quote, 90);
+
+    // Quoting min_amount_out at exactly the quote must still fill: the state the
+    // quote was read from is the state the swap executes against.
+    let received = client.swap_exact_in(&trader, &false, &100, &quote);
+    assert_eq!(received, quote);
+
+    // Exactly `amount_in` leaves the trader, exactly `received` arrives.
+    assert_eq!(token_a.balance(&trader), 1000 - 100);
+    assert_eq!(token_b.balance(&trader), 1000 + received);
+}
+
+#[test]
+fn test_swap_exact_in_rejects_output_below_minimum() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, trader, _other, token_a, token_b) = slippage_fixture(&e, 1000, 1000);
+
+    let quote = client.get_amount_out(&false, &100);
+
+    // Asking for one unit more than the pool can deliver must revert, not fill.
+    assert_eq!(
+        client.try_swap_exact_in(&trader, &false, &100, &(quote + 1)),
+        Err(Ok(Error::SlippageExceeded))
+    );
+
+    // A rejected swap moves nothing.
+    assert_eq!(token_a.balance(&trader), 1000);
+    assert_eq!(token_b.balance(&trader), 1000);
+    assert_eq!(client.get_amount_out(&false, &100), quote);
+}
+
+/// The sandwich this parameter exists to stop: a quote is taken, an attacker
+/// front-runs to move the price, and the victim's swap must abort rather than
+/// fill at the worse rate.
+#[test]
+fn test_swap_exact_in_min_amount_out_blocks_front_run() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, victim, attacker, _token_a, token_b) = slippage_fixture(&e, 1000, 1000);
+
+    // Victim quotes, then the attacker moves the price ahead of them.
+    let quote = client.get_amount_out(&false, &100);
+    client.swap_exact_in(&attacker, &false, &500, &0);
+
+    // The same input now buys materially less.
+    let degraded = client.get_amount_out(&false, &100);
+    assert!(
+        degraded < quote,
+        "front-run should degrade the quote: {degraded} vs {quote}"
+    );
+
+    // With min_amount_out pinned to the original quote, the victim is protected.
+    assert_eq!(
+        client.try_swap_exact_in(&victim, &false, &100, &quote),
+        Err(Ok(Error::SlippageExceeded))
+    );
+    assert_eq!(token_b.balance(&victim), 1000);
+
+    // A min the victim would actually have accepted still fills.
+    let received = client.swap_exact_in(&victim, &false, &100, &degraded);
+    assert_eq!(received, degraded);
+}
+
+#[test]
+fn test_swap_exact_in_zero_minimum_accepts_any_fill() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, trader, _other, _token_a, token_b) = slippage_fixture(&e, 1000, 1000);
+
+    // min_amount_out = 0 opts out of the check entirely.
+    let received = client.swap_exact_in(&trader, &false, &100, &0);
+    assert!(received > 0);
+    assert_eq!(token_b.balance(&trader), 1000 + received);
+}
+
+#[test]
+fn test_swap_exact_in_buy_a_direction() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, trader, _other, token_a, token_b) = slippage_fixture(&e, 1000, 1000);
+
+    // buy_a: token B goes in, token A comes out.
+    let quote = client.get_amount_out(&true, &100);
+    let received = client.swap_exact_in(&trader, &true, &100, &quote);
+
+    assert_eq!(received, quote);
+    assert_eq!(token_b.balance(&trader), 1000 - 100);
+    assert_eq!(token_a.balance(&trader), 1000 + received);
+
+    // Slippage is enforced in this direction too.
+    assert_eq!(
+        client.try_swap_exact_in(&trader, &true, &100, &(quote * 2)),
+        Err(Ok(Error::SlippageExceeded))
+    );
+}
+
+#[test]
+fn test_swap_exact_in_rejects_invalid_amounts() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, trader, _other, _token_a, _token_b) = slippage_fixture(&e, 1000, 1000);
+
+    assert_eq!(
+        client.try_swap_exact_in(&trader, &false, &0, &0),
+        Err(Ok(Error::InvalidAmount))
+    );
+    assert_eq!(
+        client.try_swap_exact_in(&trader, &false, &-100, &0),
+        Err(Ok(Error::InvalidAmount))
+    );
+    // A negative floor would silently disable the check, so reject it.
+    assert_eq!(
+        client.try_swap_exact_in(&trader, &false, &100, &-1),
+        Err(Ok(Error::InvalidAmount))
+    );
+    assert_eq!(
+        client.try_get_amount_out(&false, &0),
+        Err(Ok(Error::InvalidAmount))
+    );
+    assert_eq!(
+        client.try_get_amount_in(&false, &0),
+        Err(Ok(Error::InvalidAmount))
+    );
+}
+
+#[test]
+fn test_swap_exact_in_input_too_small_to_fill() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, trader, _other, _token_a, _token_b) = slippage_fixture(&e, 1_000_000, 1000);
+
+    // 1 unit against a 1M/1M pool rounds down to zero output. Settling that would
+    // take the input and hand back nothing.
+    assert_eq!(client.get_amount_out(&false, &1), 0);
+    assert_eq!(
+        client.try_swap_exact_in(&trader, &false, &1, &0),
+        Err(Ok(Error::InsufficientLiquidity))
+    );
+}
+
+#[test]
+fn test_swap_exact_in_respects_swap_pause() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, trader, _other, _token_a, _token_b) = slippage_fixture(&e, 1000, 1000);
+
+    client.pause_swaps();
+    assert_eq!(
+        client.try_swap_exact_in(&trader, &false, &100, &0),
+        Err(Ok(Error::Paused))
+    );
+
+    client.resume_swaps();
+    assert!(client.swap_exact_in(&trader, &false, &100, &0) > 0);
+}
+
+#[test]
+fn test_swap_exact_in_preserves_constant_product() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, trader, _other, _token_a, _token_b) = slippage_fixture(&e, 1000, 1000);
+
+    let before = client.get_reserves();
+    let product_before = before.0 * before.1;
+
+    client.swap_exact_in(&trader, &false, &100, &0);
+
+    let after = client.get_reserves();
+    // Fees plus truncation in the pool's favour mean the invariant only grows.
+    assert!(
+        after.0 * after.1 >= product_before,
+        "invariant weakened: {} -> {}",
+        product_before,
+        after.0 * after.1
+    );
+}
+
+#[test]
+fn test_swap_exact_in_charges_the_pool_fee() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, _trader, _other, _token_a, _token_b) = slippage_fixture(&e, 1_000_000, 1000);
+
+    client.set_fee(&0);
+    let without_fee = client.get_amount_out(&false, &100_000);
+
+    client.set_fee(&MAX_FEE_BPS);
+    let with_fee = client.get_amount_out(&false, &100_000);
+
+    assert!(
+        with_fee < without_fee,
+        "fee should reduce output: {with_fee} vs {without_fee}"
+    );
+}
+
+#[test]
+fn test_amount_in_quote_round_trips_against_amount_out() {
+    let e = Env::default();
+    e.mock_all_auths();
+    let (client, _trader, _other, _token_a, _token_b) = slippage_fixture(&e, 1000, 1000);
+
+    let quoted_out = client.get_amount_out(&false, &100);
+    let quoted_in = client.get_amount_in(&false, &quoted_out);
+
+    // Rounding always favours the pool, so re-quoting never asks for less than
+    // the original input.
+    assert!(
+        quoted_in >= 100,
+        "round trip under-charged: {quoted_in} for {quoted_out} out"
+    );
+}
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.1.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.1.json
index cdec2602..8381bf47 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.1.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.1.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 227201763049792127
-                    "lo": 862174741842485244
+                    "lo": 574283554300580658
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 701231736286785486
-                    "lo": 582321149943856551
+                    "lo": 196946616469181618
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 227201763049792127
-                    "lo": 862174741842485244
+                    "lo": 574283554300580658
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 701231736286785486
-                    "lo": 582321149943856551
+                    "lo": 196946616469181618
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 227201763049792127
-                        "lo": 862174741842485244
+                        "lo": 574283554300580658
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 701231736286785486
-                        "lo": 582321149943856551
+                        "lo": 196946616469181618
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 64696541483122937
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 25079338634384609
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 399150456332977973
-                    "lo": 708563749511830207
+                    "lo": 336308196322056496
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 227201763049792127
-                                  "lo": 862174741842485244
+                                  "lo": 509587012817457721
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 701231736286785486
-                                  "lo": 582321149943856551
+                                  "lo": 222025955103566227
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 399150456332977973
-                                  "lo": 708563749511830207
+                                  "lo": 336308196322056496
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 227201763049792127
-                          "lo": 862174741842485244
+                          "lo": 509587012817457721
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13171208394064019705
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 701231736286785486
-                          "lo": 582321149943856551
+                          "lo": 222025955103566227
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13081432513946512159
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.10.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.10.json
index b21cf2a4..6888db52 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.10.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.10.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 490880394077269050
-                    "lo": 945817843751777162
+                    "lo": 384946070537275228
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 44024532909750699
-                    "lo": 594546417286373173
+                    "lo": 165516277376996010
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 490880394077269050
-                    "lo": 945817843751777162
+                    "lo": 384946070537275228
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 44024532909750699
-                    "lo": 594546417286373173
+                    "lo": 165516277376996010
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 490880394077269050
-                        "lo": 945817843751777162
+                        "lo": 384946070537275228
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 44024532909750699
-                        "lo": 594546417286373173
+                        "lo": 165516277376996010
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 147006054514112184
-                    "lo": 749888398635518167
+                    "lo": 252417987842055975
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 490880394077269050
-                                  "lo": 945817843751777162
+                                  "lo": 384946070537275228
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 44024532909750699
-                                  "lo": 594546417286373173
+                                  "lo": 165516277376996010
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 147006054514112184
-                                  "lo": 749888398635518167
+                                  "lo": 252417987842055975
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 490880394077269050
-                          "lo": 945817843751777162
+                          "lo": 384946070537275228
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 44024532909750699
-                          "lo": 594546417286373173
+                          "lo": 165516277376996010
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.100.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.100.json
index 85c556f7..f77d3924 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.100.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.100.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 209532800553219464
-                    "lo": 364687252977382225
+                    "lo": 853088270060163184
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 799808193460936046
-                    "lo": 56825860335815274
+                    "lo": 450400142346715445
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 209532800553219464
-                    "lo": 364687252977382225
+                    "lo": 853088270060163184
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 799808193460936046
-                    "lo": 56825860335815274
+                    "lo": 450400142346715445
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 209532800553219464
-                        "lo": 364687252977382225
+                        "lo": 853088270060163184
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 799808193460936046
-                        "lo": 56825860335815274
+                        "lo": 450400142346715445
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 176296745053670394
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 53337927694412314
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 409372752734327789
-                    "lo": 143957170380446333
+                    "lo": 619863757828614082
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 209532800553219464
-                                  "lo": 188390507923711831
+                                  "lo": 853088270060163184
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 799808193460936046
-                                  "lo": 110163788030227588
+                                  "lo": 450400142346715445
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 409372752734327789
-                                  "lo": 143957170380446333
+                                  "lo": 619863757828614082
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 209532800553219464
-                          "lo": 188390507923711831
+                          "lo": 853088270060163184
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13282808597634567162
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 799808193460936046
-                          "lo": 110163788030227588
+                          "lo": 450400142346715445
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13053173924886484454
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.101.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.101.json
index 9a3943c3..02b01c93 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.101.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.101.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 556740970112378412
-                    "lo": 340053627807382821
+                    "lo": 330970195028128001
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 513737948790088378
-                    "lo": 195961282752272310
+                    "lo": 400229207189626598
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 556740970112378412
-                    "lo": 340053627807382821
+                    "lo": 330970195028128001
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 513737948790088378
-                    "lo": 195961282752272310
+                    "lo": 400229207189626598
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 556740970112378412
-                        "lo": 340053627807382821
+                        "lo": 330970195028128001
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 513737948790088378
-                        "lo": 195961282752272310
+                        "lo": 400229207189626598
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 19407783856519481
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 25006016358509120
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 534807408319048236
-                    "lo": 258142102551479414
+                    "lo": 363955957169962756
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 556740970112378412
-                                  "lo": 340053627807382821
+                                  "lo": 311562411171608520
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 513737948790088378
-                                  "lo": 195961282752272310
+                                  "lo": 425235223548135718
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 534807408319048236
-                                  "lo": 258142102551479414
+                                  "lo": 363955957169962756
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 556740970112378412
-                          "lo": 340053627807382821
+                          "lo": 311562411171608520
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13125919636437416249
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 513737948790088378
-                          "lo": 195961282752272310
+                          "lo": 425235223548135718
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13081505836222387648
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.102.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.102.json
index b6d8f531..2ced9836 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.102.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.102.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 147392807783660326
-                    "lo": 666134639988317162
+                    "lo": 217850551947694064
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 47962324466215078
-                    "lo": 941790579524070680
+                    "lo": 999368001382965870
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 147392807783660326
-                    "lo": 666134639988317162
+                    "lo": 217850551947694064
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 47962324466215078
-                    "lo": 941790579524070680
+                    "lo": 999368001382965870
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 147392807783660326
-                        "lo": 666134639988317162
+                        "lo": 217850551947694064
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 47962324466215078
-                        "lo": 941790579524070680
+                        "lo": 999368001382965870
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 146103453277170470
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 5451213639812438409
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 84079139332573973
-                    "lo": 792060179933100416
+                    "lo": 466597118186710406
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 1289354506489856
-                                  "lo": 666134639988317162
+                                  "lo": 217850551947694064
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 5499175964278653487
-                                  "lo": 941790579524070680
+                                  "lo": 999368001382965870
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 84079139332573973
-                                  "lo": 792060179933100416
+                                  "lo": 466597118186710406
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 1289354506489856
-                          "lo": 666134639988317162
+                          "lo": 217850551947694064
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13252615305858067238
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 5499175964278653487
-                          "lo": 941790579524070680
+                          "lo": 999368001382965870
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 7655298212768458359
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.103.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.103.json
index 3793bc36..8024066d 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.103.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.103.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 389210748898414667
-                    "lo": 497085765763744279
+                    "lo": 186680396003161083
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 34342140635931593
-                    "lo": 736813725613401319
+                    "lo": 208953456734397047
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 389210748898414667
-                    "lo": 497085765763744279
+                    "lo": 186680396003161083
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 34342140635931593
-                    "lo": 736813725613401319
+                    "lo": 208953456734397047
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 389210748898414667
-                        "lo": 497085765763744279
+                        "lo": 186680396003161083
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 34342140635931593
-                        "lo": 736813725613401319
+                        "lo": 208953456734397047
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 4510703695344704
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 403881784346066
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 115612846499364480
-                    "lo": 605193865651144019
+                    "lo": 197503200099154410
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 384700045203069963
-                                  "lo": 497085765763744279
+                                  "lo": 186680396003161083
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 34746022420277659
-                                  "lo": 736813725613401319
+                                  "lo": 208953456734397047
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 115612846499364480
-                                  "lo": 605193865651144019
+                                  "lo": 197503200099154410
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 384700045203069963
-                          "lo": 497085765763744279
+                          "lo": 186680396003161083
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13111022556276241472
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 34746022420277659
-                          "lo": 736813725613401319
+                          "lo": 208953456734397047
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106107970796550702
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.104.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.104.json
index 5ee47cd4..594fefd4 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.104.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.104.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 482251789509398226
-                    "lo": 869538981839206081
+                    "lo": 359602487485002008
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 781246883723014054
-                    "lo": 941566027662990097
+                    "lo": 801198056383354352
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 482251789509398226
-                    "lo": 869538981839206081
+                    "lo": 359602487485002008
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 781246883723014054
-                    "lo": 941566027662990097
+                    "lo": 801198056383354352
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 482251789509398226
-                        "lo": 869538981839206081
+                        "lo": 359602487485002008
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 781246883723014054
-                        "lo": 941566027662990097
+                        "lo": 801198056383354352
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 613805920241947719
-                    "lo": 904836098433557278
+                    "lo": 536761412588128503
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 482251789509398226
-                                  "lo": 869538981839206081
+                                  "lo": 359602487485002008
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 781246883723014054
-                                  "lo": 941566027662990097
+                                  "lo": 801198056383354352
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 613805920241947719
-                                  "lo": 904836098433557278
+                                  "lo": 536761412588128503
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 482251789509398226
-                          "lo": 869538981839206081
+                          "lo": 359602487485002008
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 781246883723014054
-                          "lo": 941566027662990097
+                          "lo": 801198056383354352
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.105.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.105.json
index 8fe1bb77..2109184f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.105.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.105.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 567667052422565932
-                    "lo": 58546748970354206
+                    "lo": 760316580577371757
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 393758262939835915
-                    "lo": 211985625921494576
+                    "lo": 35917509147366165
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 567667052422565932
-                    "lo": 58546748970354206
+                    "lo": 760316580577371757
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 393758262939835915
-                    "lo": 211985625921494576
+                    "lo": 35917509147366165
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 567667052422565932
-                        "lo": 58546748970354206
+                        "lo": 760316580577371757
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 393758262939835915
-                        "lo": 211985625921494576
+                        "lo": 35917509147366165
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 42676203747857424
+                    "lo": 141458071922266457
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 571748703475133343
+                        "lo": 8234693149937601
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 472782817464939534
-                    "lo": 111404978462136755
+                    "lo": 165253374361257488
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 567667052422565932
-                                  "lo": 15870545222496782
+                                  "lo": 618858508655105300
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 393758262939835915
-                                  "lo": 783734329396627919
+                                  "lo": 44152202297303766
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 472782817464939534
-                                  "lo": 111404978462136755
+                                  "lo": 165253374361257488
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 567667052422565932
-                          "lo": 15870545222496782
+                          "lo": 618858508655105300
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13149188056328754192
+                          "lo": 13247969924503163225
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 393758262939835915
-                          "lo": 783734329396627919
+                          "lo": 44152202297303766
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12534763149105763425
+                          "lo": 13098277159430959167
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.106.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.106.json
index 5a9a95b4..011b9ac6 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.106.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.106.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 701576567691568712
-                    "lo": 291613690856527160
+                    "lo": 567103627312261639
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 334100289194770330
-                    "lo": 178339045048728031
+                    "lo": 149707077071564440
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 701576567691568712
-                    "lo": 291613690856527160
+                    "lo": 567103627312261639
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 334100289194770330
-                    "lo": 178339045048728031
+                    "lo": 149707077071564440
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 701576567691568712
-                        "lo": 291613690856527160
+                        "lo": 567103627312261639
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 334100289194770330
-                        "lo": 178339045048728031
+                        "lo": 149707077071564440
                       }
                     }
                   ]
@@ -228,67 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1869468167018271
-                    "lo": 41850658757850838
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 895330722606641
-                        "lo": 29972669088645285
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -593,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 484145571246941666
-                    "lo": 228048475439955631
+                    "lo": 291375061461341453
                   }
                 }
               }
@@ -643,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -659,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -714,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 699707099524550441
-                                  "lo": 249763032098676322
+                                  "lo": 567103627312261639
                                 }
                               }
                             },
@@ -726,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 334995619917376971
-                                  "lo": 208311714137373316
+                                  "lo": 149707077071564440
                                 }
                               }
                             },
@@ -754,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 484145571246941666
-                                  "lo": 228048475439955631
+                                  "lo": 291375061461341453
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -805,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -882,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 699707099524550441
-                          "lo": 249763032098676322
+                          "lo": 567103627312261639
                         }
                       }
                     },
@@ -1029,8 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13108381320747915039
-                          "lo": 13148362511338747606
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1215,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 334995619917376971
-                          "lo": 208311714137373316
+                          "lo": 149707077071564440
                         }
                       }
                     },
@@ -1362,8 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13105616521858290127
-                          "lo": 13076539183492251483
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.107.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.107.json
index c6fbd624..4d4d652f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.107.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.107.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 978622054852692223
-                    "lo": 385205013265243640
+                    "lo": 533511137837018137
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 121493995474033428
-                    "lo": 13114626255544012
+                    "lo": 30218770296300099
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 978622054852692223
-                    "lo": 385205013265243640
+                    "lo": 533511137837018137
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 121493995474033428
-                    "lo": 13114626255544012
+                    "lo": 30218770296300099
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 978622054852692223
-                        "lo": 385205013265243640
+                        "lo": 533511137837018137
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 121493995474033428
-                        "lo": 13114626255544012
+                        "lo": 30218770296300099
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": false
+                  "bool": true
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 6604550767990181
+                    "lo": 280192115348317036
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 391971084686177175
+                        "lo": 33525073267210899
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 344814012915748947
-                    "lo": 71076154797059355
+                    "lo": 126972636913685271
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 978622054852692223
-                                  "lo": 777176097951420815
+                                  "lo": 253319022488701101
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 121493995474033428
-                                  "lo": 6510075487553831
+                                  "lo": 63743843563510998
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 344814012915748947
-                                  "lo": 71076154797059355
+                                  "lo": 126972636913685271
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 978622054852692223
-                          "lo": 777176097951420815
+                          "lo": 253319022488701101
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12714540767894719593
+                          "lo": 13386703967929213804
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 121493995474033428
-                          "lo": 6510075487553831
+                          "lo": 63743843563510998
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13113116403348886949
+                          "lo": 13072986779313685869
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.108.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.108.json
index ac574815..a2238086 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.108.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.108.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 855029632532525914
-                    "lo": 864534213590780212
+                    "lo": 368608756555229369
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 321770860732785344
-                    "lo": 366122672821015840
+                    "lo": 739806197625525054
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 855029632532525914
-                    "lo": 864534213590780212
+                    "lo": 368608756555229369
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 321770860732785344
-                    "lo": 366122672821015840
+                    "lo": 739806197625525054
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 855029632532525914
-                        "lo": 864534213590780212
+                        "lo": 368608756555229369
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 321770860732785344
-                        "lo": 366122672821015840
+                        "lo": 739806197625525054
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 524522278661286249
-                    "lo": 562606058468153584
+                    "lo": 522205938877180017
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 855029632532525914
-                                  "lo": 864534213590780212
+                                  "lo": 368608756555229369
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 321770860732785344
-                                  "lo": 366122672821015840
+                                  "lo": 739806197625525054
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 524522278661286249
-                                  "lo": 562606058468153584
+                                  "lo": 522205938877180017
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 855029632532525914
-                          "lo": 864534213590780212
+                          "lo": 368608756555229369
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 321770860732785344
-                          "lo": 366122672821015840
+                          "lo": 739806197625525054
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.109.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.109.json
index 4840dc4d..ee1f060e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.109.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.109.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 740966360524278960
-                    "lo": 997440101295267292
+                    "lo": 177402078705852247
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 333858187343061905
-                    "lo": 319825327212113038
+                    "lo": 579505160483698278
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 740966360524278960
-                    "lo": 997440101295267292
+                    "lo": 177402078705852247
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 333858187343061905
-                    "lo": 319825327212113038
+                    "lo": 579505160483698278
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 740966360524278960
-                        "lo": 997440101295267292
+                        "lo": 177402078705852247
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 333858187343061905
-                        "lo": 319825327212113038
+                        "lo": 579505160483698278
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 497370773173114258
-                    "lo": 564806698589209399
+                    "lo": 320632843125242831
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 740966360524278960
-                                  "lo": 997440101295267292
+                                  "lo": 177402078705852247
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 333858187343061905
-                                  "lo": 319825327212113038
+                                  "lo": 579505160483698278
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 497370773173114258
-                                  "lo": 564806698589209399
+                                  "lo": 320632843125242831
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 740966360524278960
-                          "lo": 997440101295267292
+                          "lo": 177402078705852247
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 333858187343061905
-                          "lo": 319825327212113038
+                          "lo": 579505160483698278
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.11.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.11.json
index d1575020..87ae7553 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.11.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.11.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 463018173309783650
-                    "lo": 870647116784370441
+                    "lo": 297516230398529179
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 345942599661010281
-                    "lo": 273447300947282637
+                    "lo": 564378354428211323
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 463018173309783650
-                    "lo": 870647116784370441
+                    "lo": 297516230398529179
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 345942599661010281
-                    "lo": 273447300947282637
+                    "lo": 564378354428211323
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 463018173309783650
-                        "lo": 870647116784370441
+                        "lo": 297516230398529179
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 345942599661010281
-                        "lo": 273447300947282637
+                        "lo": 564378354428211323
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 400222076558850962
-                    "lo": 487930429633385005
+                    "lo": 409770326558679064
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 463018173309783650
-                                  "lo": 870647116784370441
+                                  "lo": 297516230398529179
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 345942599661010281
-                                  "lo": 273447300947282637
+                                  "lo": 564378354428211323
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 400222076558850962
-                                  "lo": 487930429633385005
+                                  "lo": 409770326558679064
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 463018173309783650
-                          "lo": 870647116784370441
+                          "lo": 297516230398529179
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 345942599661010281
-                          "lo": 273447300947282637
+                          "lo": 564378354428211323
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.110.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.110.json
index 6e12cf2b..7a60b9f2 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.110.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.110.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 346023536845143614
-                    "lo": 613991750298819422
+                    "lo": 407425550790315296
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 658839633305759850
-                    "lo": 154071094737541564
+                    "lo": 952944545925232719
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 346023536845143614
-                    "lo": 613991750298819422
+                    "lo": 407425550790315296
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 658839633305759850
-                    "lo": 154071094737541564
+                    "lo": 952944545925232719
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 346023536845143614
-                        "lo": 613991750298819422
+                        "lo": 407425550790315296
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 658839633305759850
-                        "lo": 154071094737541564
+                        "lo": 952944545925232719
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 29036262064801464
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 12842954661763691
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 477466250252535128
-                    "lo": 307568498270480182
+                    "lo": 623100278042158195
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 346023536845143614
-                                  "lo": 613991750298819422
+                                  "lo": 420268505452078987
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 658839633305759850
-                                  "lo": 154071094737541564
+                                  "lo": 923908283860431255
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 477466250252535128
-                                  "lo": 307568498270480182
+                                  "lo": 623100278042158195
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 346023536845143614
-                          "lo": 613991750298819422
+                          "lo": 420268505452078987
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13093668897919133077
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 658839633305759850
-                          "lo": 154071094737541564
+                          "lo": 923908283860431255
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13135548114645698232
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.111.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.111.json
index 29de2fd2..17aa981e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.111.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.111.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 322869058464588013
-                    "lo": 444654591745093506
+                    "lo": 766156741527013997
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 41060513336510961
-                    "lo": 211571273201835900
+                    "lo": 158463600985117262
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 322869058464588013
-                    "lo": 444654591745093506
+                    "lo": 766156741527013997
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 41060513336510961
-                    "lo": 211571273201835900
+                    "lo": 158463600985117262
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 322869058464588013
-                        "lo": 444654591745093506
+                        "lo": 766156741527013997
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 41060513336510961
-                        "lo": 211571273201835900
+                        "lo": 158463600985117262
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 5447966832499317
+                    "lo": 9931857647105699
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 49540763387323182
+                        "lo": 51384682425983825
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 115139781487685451
-                    "lo": 306718336769342801
+                    "lo": 348436444967219763
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 372409821851911195
-                                  "lo": 444654591745093506
+                                  "lo": 817541423952997822
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 35612546504011644
-                                  "lo": 211571273201835900
+                                  "lo": 148531743338011563
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 115139781487685451
-                                  "lo": 306718336769342801
+                                  "lo": 348436444967219763
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 372409821851911195
-                          "lo": 444654591745093506
+                          "lo": 817541423952997822
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13056971089193573586
+                          "lo": 13055127170154912943
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 35612546504011644
-                          "lo": 211571273201835900
+                          "lo": 148531743338011563
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13111959819413396085
+                          "lo": 13116443710228002467
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.112.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.112.json
index 2e246df4..68a04d16 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.112.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.112.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 390813026385844347
-                    "lo": 587944496756530712
+                    "lo": 840690422522490690
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 574966777072102677
-                    "lo": 27936390320194619
+                    "lo": 505991232683932557
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 390813026385844347
-                    "lo": 587944496756530712
+                    "lo": 840690422522490690
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 574966777072102677
-                    "lo": 27936390320194619
+                    "lo": 505991232683932557
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 390813026385844347
-                        "lo": 587944496756530712
+                        "lo": 840690422522490690
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 574966777072102677
-                        "lo": 27936390320194619
+                        "lo": 505991232683932557
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 406992427362350346
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 63022830748870716
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 474030068897389196
-                    "lo": 128160239341227984
+                    "lo": 652213142460140220
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 390813026385844347
-                                  "lo": 180952069394180366
+                                  "lo": 840690422522490690
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 574966777072102677
-                                  "lo": 90959221069065335
+                                  "lo": 505991232683932557
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 474030068897389196
-                                  "lo": 128160239341227984
+                                  "lo": 652213142460140220
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 390813026385844347
-                          "lo": 180952069394180366
+                          "lo": 840690422522490690
                         }
                       }
                     },
@@ -995,7 +941,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13513504279943247114
                         }
                       }
                     },
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 574966777072102677
-                          "lo": 90959221069065335
+                          "lo": 505991232683932557
                         }
                       }
                     },
@@ -1328,7 +1272,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13043489021832026052
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.113.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.113.json
index 1dfec0e7..5a75eb3c 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.113.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.113.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 400061755265920475
-                    "lo": 245868780550626762
+                    "lo": 482266928984692726
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 347789996431159659
-                    "lo": 744734186266251926
+                    "lo": 825813353426992886
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 400061755265920475
-                    "lo": 245868780550626762
+                    "lo": 482266928984692726
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 347789996431159659
-                    "lo": 744734186266251926
+                    "lo": 825813353426992886
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 400061755265920475
-                        "lo": 245868780550626762
+                        "lo": 482266928984692726
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 347789996431159659
-                        "lo": 744734186266251926
+                        "lo": 825813353426992886
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10791606763252458
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 9670678348568142
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 373011362341923776
-                    "lo": 427909904315904669
+                    "lo": 631080398896833535
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 389270148502668017
-                                  "lo": 245868780550626762
+                                  "lo": 482266928984692726
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 357460674779727801
-                                  "lo": 744734186266251926
+                                  "lo": 825813353426992886
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 373011362341923776
-                                  "lo": 427909904315904669
+                                  "lo": 631080398896833535
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 389270148502668017
-                          "lo": 245868780550626762
+                          "lo": 482266928984692726
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13117303459344149226
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 357460674779727801
-                          "lo": 744734186266251926
+                          "lo": 825813353426992886
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13096841174232328626
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.114.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.114.json
index d51df85a..136f49df 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.114.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.114.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 407134272598059218
-                    "lo": 582174220788612365
+                    "lo": 645757830930811994
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 204185687397946180
-                    "lo": 745822457786782312
+                    "lo": 177064262639309907
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 407134272598059218
-                    "lo": 582174220788612365
+                    "lo": 645757830930811994
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 204185687397946180
-                    "lo": 745822457786782312
+                    "lo": 177064262639309907
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 407134272598059218
-                        "lo": 582174220788612365
+                        "lo": 645757830930811994
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 204185687397946180
-                        "lo": 745822457786782312
+                        "lo": 177064262639309907
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 288324454935230086
-                    "lo": 658937484294730140
+                    "lo": 338142919750398407
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 407134272598059218
-                                  "lo": 582174220788612365
+                                  "lo": 645757830930811994
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 204185687397946180
-                                  "lo": 745822457786782312
+                                  "lo": 177064262639309907
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 288324454935230086
-                                  "lo": 658937484294730140
+                                  "lo": 338142919750398407
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 407134272598059218
-                          "lo": 582174220788612365
+                          "lo": 645757830930811994
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 204185687397946180
-                          "lo": 745822457786782312
+                          "lo": 177064262639309907
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.115.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.115.json
index fa5f4853..dd14faf7 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.115.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.115.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 70908032021750235
-                    "lo": 766550210262614788
+                    "lo": 569357700407766479
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 851668043731636475
-                    "lo": 809411576020421034
+                    "lo": 729289647726072434
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 70908032021750235
-                    "lo": 766550210262614788
+                    "lo": 569357700407766479
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 851668043731636475
-                    "lo": 809411576020421034
+                    "lo": 729289647726072434
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 70908032021750235
-                        "lo": 766550210262614788
+                        "lo": 569357700407766479
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 851668043731636475
-                        "lo": 809411576020421034
+                        "lo": 729289647726072434
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 245743982463099711
-                    "lo": 787689414545763816
+                    "lo": 644380847605285909
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 70908032021750235
-                                  "lo": 766550210262614788
+                                  "lo": 569357700407766479
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 851668043731636475
-                                  "lo": 809411576020421034
+                                  "lo": 729289647726072434
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 245743982463099711
-                                  "lo": 787689414545763816
+                                  "lo": 644380847605285909
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 70908032021750235
-                          "lo": 766550210262614788
+                          "lo": 569357700407766479
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 851668043731636475
-                          "lo": 809411576020421034
+                          "lo": 729289647726072434
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.116.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.116.json
index 84a07764..343cc9bb 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.116.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.116.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 363532015953920498
-                    "lo": 88904531218695370
+                    "lo": 86377499918232648
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 576014531582531612
-                    "lo": 628904862933907413
+                    "lo": 278303998678913568
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 363532015953920498
-                    "lo": 88904531218695370
+                    "lo": 86377499918232648
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 576014531582531612
-                    "lo": 628904862933907413
+                    "lo": 278303998678913568
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 363532015953920498
-                        "lo": 88904531218695370
+                        "lo": 86377499918232648
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 576014531582531612
-                        "lo": 628904862933907413
+                        "lo": 278303998678913568
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 2688342119745047
+                    "lo": 1711985305612956
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 19669146207308155
+                        "lo": 5644399806237289
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 457602145848280441
-                    "lo": 236458224683128550
+                    "lo": 155045811369193962
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 363532015953920498
-                                  "lo": 86216189098950323
+                                  "lo": 84665514612619692
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 576014531582531612
-                                  "lo": 648574009141215568
+                                  "lo": 283948398485150857
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 457602145848280441
-                                  "lo": 236458224683128550
+                                  "lo": 155045811369193962
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 363532015953920498
-                          "lo": 86216189098950323
+                          "lo": 84665514612619692
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13109200194700641815
+                          "lo": 13108223837886509724
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 576014531582531612
-                          "lo": 648574009141215568
+                          "lo": 283948398485150857
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13086842706373588613
+                          "lo": 13100867452774659479
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.117.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.117.json
index bbb0f3ad..f579f3c2 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.117.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.117.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 485134822606860807
-                    "lo": 776472304881510325
+                    "lo": 24209451351319802
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 392792553256331759
-                    "lo": 395651976907341816
+                    "lo": 612481859091771739
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 485134822606860807
-                    "lo": 776472304881510325
+                    "lo": 24209451351319802
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 392792553256331759
-                    "lo": 395651976907341816
+                    "lo": 612481859091771739
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 485134822606860807
-                        "lo": 776472304881510325
+                        "lo": 24209451351319802
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 392792553256331759
-                        "lo": 395651976907341816
+                        "lo": 612481859091771739
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 485085811599487641
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 92459684456876564
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 436528745497139551
-                    "lo": 554267807508400939
+                    "lo": 121769658664415077
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 485134822606860807
-                                  "lo": 776472304881510325
+                                  "lo": 116669135808196366
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 392792553256331759
-                                  "lo": 395651976907341816
+                                  "lo": 127396047492284098
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 436528745497139551
-                                  "lo": 554267807508400939
+                                  "lo": 121769658664415077
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 485134822606860807
-                          "lo": 776472304881510325
+                          "lo": 116669135808196366
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13014052168124020204
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 392792553256331759
-                          "lo": 395651976907341816
+                          "lo": 127396047492284098
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13591597664180384409
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.118.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.118.json
index a09a60b1..cec59011 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.118.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.118.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 818854867883933252
-                    "lo": 756170887028483231
+                    "lo": 112656859872148843
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 124520942321347775
-                    "lo": 482778083738897142
+                    "lo": 879918153151634331
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 818854867883933252
-                    "lo": 756170887028483231
+                    "lo": 112656859872148843
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 124520942321347775
-                    "lo": 482778083738897142
+                    "lo": 879918153151634331
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 818854867883933252
-                        "lo": 756170887028483231
+                        "lo": 112656859872148843
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 124520942321347775
-                        "lo": 482778083738897142
+                        "lo": 879918153151634331
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 319318931122678827
-                    "lo": 604204213671795910
+                    "lo": 314847290092456844
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 818854867883933252
-                                  "lo": 756170887028483231
+                                  "lo": 112656859872148843
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 124520942321347775
-                                  "lo": 482778083738897142
+                                  "lo": 879918153151634331
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 319318931122678827
-                                  "lo": 604204213671795910
+                                  "lo": 314847290092456844
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 818854867883933252
-                          "lo": 756170887028483231
+                          "lo": 112656859872148843
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 124520942321347775
-                          "lo": 482778083738897142
+                          "lo": 879918153151634331
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.119.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.119.json
index 11c4360f..0c245578 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.119.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.119.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 439421519483844600
-                    "lo": 441033762985816225
+                    "lo": 334732792354214636
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 710871129778375175
-                    "lo": 664905964567509183
+                    "lo": 151207159136802601
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 439421519483844600
-                    "lo": 441033762985816225
+                    "lo": 334732792354214636
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 710871129778375175
-                    "lo": 664905964567509183
+                    "lo": 151207159136802601
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 439421519483844600
-                        "lo": 441033762985816225
+                        "lo": 334732792354214636
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 710871129778375175
-                        "lo": 664905964567509183
+                        "lo": 151207159136802601
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 558902560384554787
-                    "lo": 541521910530795019
+                    "lo": 224975542230283408
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 439421519483844600
-                                  "lo": 441033762985816225
+                                  "lo": 334732792354214636
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 710871129778375175
-                                  "lo": 664905964567509183
+                                  "lo": 151207159136802601
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 558902560384554787
-                                  "lo": 541521910530795019
+                                  "lo": 224975542230283408
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 439421519483844600
-                          "lo": 441033762985816225
+                          "lo": 334732792354214636
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 710871129778375175
-                          "lo": 664905964567509183
+                          "lo": 151207159136802601
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.12.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.12.json
index 862be591..6e65e1c0 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.12.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.12.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 741887445270915417
-                    "lo": 269381421448656501
+                    "lo": 76358430453903066
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 633575948829216870
-                    "lo": 342110044218662897
+                    "lo": 583872177910213556
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 741887445270915417
-                    "lo": 269381421448656501
+                    "lo": 76358430453903066
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 633575948829216870
-                    "lo": 342110044218662897
+                    "lo": 583872177910213556
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 741887445270915417
-                        "lo": 269381421448656501
+                        "lo": 76358430453903066
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 633575948829216870
-                        "lo": 342110044218662897
+                        "lo": 583872177910213556
                       }
                     }
                   ]
@@ -228,67 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 15847048545027205
-                    "lo": 2846051107128797
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 13870468399016534
-                        "lo": 3664025702102477
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -593,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 685596121679523459
-                    "lo": 303575509558142949
+                    "lo": 211148201723164007
                   }
                 }
               }
@@ -643,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -659,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -714,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 726040396725888212
-                                  "lo": 266535370341527704
+                                  "lo": 76358430453903066
                                 }
                               }
                             },
@@ -726,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 647446417228233404
-                                  "lo": 345774069920765374
+                                  "lo": 583872177910213556
                                 }
                               }
                             },
@@ -754,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 685596121679523459
-                                  "lo": 303575509558142949
+                                  "lo": 211148201723164007
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -805,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -882,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 726040396725888212
-                          "lo": 266535370341527704
+                          "lo": 76358430453903066
                         }
                       }
                     },
@@ -1029,8 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13122358901125923973
-                          "lo": 13109357903688025565
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1215,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 647446417228233404
-                          "lo": 345774069920765374
+                          "lo": 583872177910213556
                         }
                       }
                     },
@@ -1362,8 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13092641384181880234
-                          "lo": 13102847826878794291
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.120.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.120.json
index 6a0def56..930a0717 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.120.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.120.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 950259326799654492
-                    "lo": 449557051442740224
+                    "lo": 551900421709440115
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 558581692201213201
-                    "lo": 839635920326745954
+                    "lo": 299010778056093793
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 950259326799654492
-                    "lo": 449557051442740224
+                    "lo": 551900421709440115
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 558581692201213201
-                    "lo": 839635920326745954
+                    "lo": 299010778056093793
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 950259326799654492
-                        "lo": 449557051442740224
+                        "lo": 551900421709440115
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 558581692201213201
-                        "lo": 839635920326745954
+                        "lo": 299010778056093793
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 13281764487132997
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 7941784952877476
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 728558482754635609
-                    "lo": 614381191629027217
+                    "lo": 406231675900373341
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 936977562312521495
-                                  "lo": 449557051442740224
+                                  "lo": 551900421709440115
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 566523477154090677
-                                  "lo": 839635920326745954
+                                  "lo": 299010778056093793
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 728558482754635609
-                                  "lo": 614381191629027217
+                                  "lo": 406231675900373341
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 936977562312521495
-                          "lo": 449557051442740224
+                          "lo": 551900421709440115
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13119793617068029765
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 566523477154090677
-                          "lo": 839635920326745954
+                          "lo": 299010778056093793
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13098570067628019292
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.121.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.121.json
index 6e68eee7..fbe6c5c8 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.121.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.121.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 500289604745165097
-                    "lo": 1765466567587057
+                    "lo": 763968989958256111
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 1688069064553412
-                    "lo": 405613353762292615
+                    "lo": 939689325893501882
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 500289604745165097
-                    "lo": 1765466567587057
+                    "lo": 763968989958256111
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 1688069064553412
-                    "lo": 405613353762292615
+                    "lo": 939689325893501882
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 500289604745165097
-                        "lo": 1765466567587057
+                        "lo": 763968989958256111
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 1688069064553412
-                        "lo": 405613353762292615
+                        "lo": 939689325893501882
                       }
                     }
                   ]
@@ -228,67 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 632169203900621
-                    "lo": 61340573617671555
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 300425590522286160
-                        "lo": 315507353483486
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -593,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 29060684869561609
-                    "lo": 26759985340694591
+                    "lo": 847285964227788440
                   }
                 }
               }
@@ -643,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -659,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -714,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 800715195267451257
-                                  "lo": 2080973921070543
+                                  "lo": 763968989958256111
                                 }
                               }
                             },
@@ -726,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 1055899860652791
-                                  "lo": 344272780144621060
+                                  "lo": 939689325893501882
                                 }
                               }
                             },
@@ -754,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 29060684869561609
-                                  "lo": 26759985340694591
+                                  "lo": 847285964227788440
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -805,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -882,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 800715195267451257
-                          "lo": 2080973921070543
+                          "lo": 763968989958256111
                         }
                       }
                     },
@@ -1029,8 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12806086262058610608
-                          "lo": 13106196345227413282
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1215,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 1055899860652791
-                          "lo": 344272780144621060
+                          "lo": 939689325893501882
                         }
                       }
                     },
@@ -1362,8 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13107144021784797389
-                          "lo": 13167852426198568323
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.122.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.122.json
index a6f8f7ab..8abfb622 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.122.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.122.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 411238024887174653
-                    "lo": 459360687058031165
+                    "lo": 690758472313287812
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 129836815783757332
-                    "lo": 116844188587014303
+                    "lo": 490909764940185961
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 411238024887174653
-                    "lo": 459360687058031165
+                    "lo": 690758472313287812
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 129836815783757332
-                    "lo": 116844188587014303
+                    "lo": 490909764940185961
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 411238024887174653
-                        "lo": 459360687058031165
+                        "lo": 690758472313287812
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 129836815783757332
-                        "lo": 116844188587014303
+                        "lo": 490909764940185961
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 6707476617117988
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 22469619857125905
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 231071061971317188
-                    "lo": 231675693045405723
+                    "lo": 582323002528457630
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 433707644744300558
-                                  "lo": 459360687058031165
+                                  "lo": 690758472313287812
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 123129339166639344
-                                  "lo": 116844188587014303
+                                  "lo": 490909764940185961
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 231071061971317188
-                                  "lo": 231675693045405723
+                                  "lo": 582323002528457630
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 433707644744300558
-                          "lo": 459360687058031165
+                          "lo": 690758472313287812
                         }
                       }
                     },
@@ -994,7 +940,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13084042232723770863
                           "lo": 13106511852580896768
                         }
                       }
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 123129339166639344
-                          "lo": 116844188587014303
+                          "lo": 490909764940185961
                         }
                       }
                     },
@@ -1327,7 +1271,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13113219329198014756
                           "lo": 13106511852580896768
                         }
                       }
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.123.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.123.json
index f98795e4..8a387be9 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.123.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.123.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 972100918728922238
-                    "lo": 941085130305990207
+                    "lo": 829748038056938018
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 147503354281797997
-                    "lo": 175420670618661460
+                    "lo": 75134411797741629
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 972100918728922238
-                    "lo": 941085130305990207
+                    "lo": 829748038056938018
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 147503354281797997
-                    "lo": 175420670618661460
+                    "lo": 75134411797741629
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 972100918728922238
-                        "lo": 941085130305990207
+                        "lo": 829748038056938018
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 147503354281797997
-                        "lo": 175420670618661460
+                        "lo": 75134411797741629
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 378666272874854196
-                    "lo": 406307500136937181
+                    "lo": 249685063189086611
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 972100918728922238
-                                  "lo": 941085130305990207
+                                  "lo": 829748038056938018
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 147503354281797997
-                                  "lo": 175420670618661460
+                                  "lo": 75134411797741629
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 378666272874854196
-                                  "lo": 406307500136937181
+                                  "lo": 249685063189086611
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 972100918728922238
-                          "lo": 941085130305990207
+                          "lo": 829748038056938018
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 147503354281797997
-                          "lo": 175420670618661460
+                          "lo": 75134411797741629
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.124.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.124.json
index bb32fc36..802e2dd2 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.124.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.124.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 426997349590798405
-                    "lo": 244614280609396521
+                    "lo": 241881664786182928
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 436407805874501111
-                    "lo": 145397730154328921
+                    "lo": 16425009566379395
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 426997349590798405
-                    "lo": 244614280609396521
+                    "lo": 241881664786182928
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 436407805874501111
-                    "lo": 145397730154328921
+                    "lo": 16425009566379395
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 426997349590798405
-                        "lo": 244614280609396521
+                        "lo": 241881664786182928
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 436407805874501111
-                        "lo": 145397730154328921
+                        "lo": 16425009566379395
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": false
+                  "bool": true
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 28795572246924192
+                    "lo": 56457744382486528
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 60590672816932104
+                        "lo": 5016123688422531
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 431676935275846810
-                    "lo": 188590458835913352
+                    "lo": 63031013461984161
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 426997349590798405
-                                  "lo": 305204953426328625
+                                  "lo": 185423920403696400
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 436407805874501111
-                                  "lo": 116602157907404729
+                                  "lo": 21441133254801926
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 431676935275846810
-                                  "lo": 188590458835913352
+                                  "lo": 63031013461984161
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 426997349590798405
-                          "lo": 305204953426328625
+                          "lo": 185423920403696400
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13045921179763964664
+                          "lo": 13162969596963383296
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 436407805874501111
-                          "lo": 116602157907404729
+                          "lo": 21441133254801926
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13135307424827820960
+                          "lo": 13101495728892474237
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.125.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.125.json
index 126736f1..d58c8b32 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.125.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.125.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 849140003574424492
-                    "lo": 512590999734554250
+                    "lo": 339186455929407407
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 288092426032548026
-                    "lo": 118205312397689825
+                    "lo": 441080961236639816
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 849140003574424492
-                    "lo": 512590999734554250
+                    "lo": 339186455929407407
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 288092426032548026
-                    "lo": 118205312397689825
+                    "lo": 441080961236639816
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 849140003574424492
-                        "lo": 512590999734554250
+                        "lo": 339186455929407407
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 288092426032548026
-                        "lo": 118205312397689825
+                        "lo": 441080961236639816
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 494601661613709557
-                    "lo": 246152349685854364
+                    "lo": 386792823123428943
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 849140003574424492
-                                  "lo": 512590999734554250
+                                  "lo": 339186455929407407
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 288092426032548026
-                                  "lo": 118205312397689825
+                                  "lo": 441080961236639816
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 494601661613709557
-                                  "lo": 246152349685854364
+                                  "lo": 386792823123428943
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 849140003574424492
-                          "lo": 512590999734554250
+                          "lo": 339186455929407407
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 288092426032548026
-                          "lo": 118205312397689825
+                          "lo": 441080961236639816
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.126.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.126.json
index f8754287..e10a5989 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.126.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.126.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 154444081497410098
-                    "lo": 652671177571734098
+                    "lo": 258048026540845467
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 949373653125950250
-                    "lo": 440155850099601439
+                    "lo": 933425667140684599
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 154444081497410098
-                    "lo": 652671177571734098
+                    "lo": 258048026540845467
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 949373653125950250
-                    "lo": 440155850099601439
+                    "lo": 933425667140684599
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 154444081497410098
-                        "lo": 652671177571734098
+                        "lo": 258048026540845467
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 949373653125950250
-                        "lo": 440155850099601439
+                        "lo": 933425667140684599
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 382916625200419060
-                    "lo": 535982310342043421
+                    "lo": 490783711351778428
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 154444081497410098
-                                  "lo": 652671177571734098
+                                  "lo": 258048026540845467
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 949373653125950250
-                                  "lo": 440155850099601439
+                                  "lo": 933425667140684599
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 382916625200419060
-                                  "lo": 535982310342043421
+                                  "lo": 490783711351778428
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 154444081497410098
-                          "lo": 652671177571734098
+                          "lo": 258048026540845467
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 949373653125950250
-                          "lo": 440155850099601439
+                          "lo": 933425667140684599
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.127.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.127.json
index 910b8c21..0eeee1fc 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.127.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.127.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 636720305818213144
-                    "lo": 467388337230033454
+                    "lo": 829306019433745446
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 871291855331584931
-                    "lo": 785922617490121638
+                    "lo": 841987651762313707
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 636720305818213144
-                    "lo": 467388337230033454
+                    "lo": 829306019433745446
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 871291855331584931
-                    "lo": 785922617490121638
+                    "lo": 841987651762313707
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 636720305818213144
-                        "lo": 467388337230033454
+                        "lo": 829306019433745446
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 871291855331584931
-                        "lo": 785922617490121638
+                        "lo": 841987651762313707
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 744828313494891976
-                    "lo": 606078431706807696
+                    "lo": 835622778468473191
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 636720305818213144
-                                  "lo": 467388337230033454
+                                  "lo": 829306019433745446
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 871291855331584931
-                                  "lo": 785922617490121638
+                                  "lo": 841987651762313707
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 744828313494891976
-                                  "lo": 606078431706807696
+                                  "lo": 835622778468473191
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 636720305818213144
-                          "lo": 467388337230033454
+                          "lo": 829306019433745446
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 871291855331584931
-                          "lo": 785922617490121638
+                          "lo": 841987651762313707
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.128.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.128.json
index 50096173..59180790 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.128.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.128.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 968627053176386701
-                    "lo": 119581968361868044
+                    "lo": 578596458944187259
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 627488042658515597
-                    "lo": 672506023268182484
+                    "lo": 671863334194233011
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 968627053176386701
-                    "lo": 119581968361868044
+                    "lo": 578596458944187259
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 627488042658515597
-                    "lo": 672506023268182484
+                    "lo": 671863334194233011
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 968627053176386701
-                        "lo": 119581968361868044
+                        "lo": 578596458944187259
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 627488042658515597
-                        "lo": 672506023268182484
+                        "lo": 671863334194233011
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 779616504227390502
-                    "lo": 283583486821114978
+                    "lo": 623488368824325626
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 968627053176386701
-                                  "lo": 119581968361868044
+                                  "lo": 578596458944187259
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 627488042658515597
-                                  "lo": 672506023268182484
+                                  "lo": 671863334194233011
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 779616504227390502
-                                  "lo": 283583486821114978
+                                  "lo": 623488368824325626
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 968627053176386701
-                          "lo": 119581968361868044
+                          "lo": 578596458944187259
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 627488042658515597
-                          "lo": 672506023268182484
+                          "lo": 671863334194233011
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.129.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.129.json
index 9c38751f..eaddf080 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.129.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.129.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 463288611980719714
-                    "lo": 476975936457964832
+                    "lo": 423488253481676514
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 683202006791076361
-                    "lo": 2205416385296648
+                    "lo": 883651461035805290
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 463288611980719714
-                    "lo": 476975936457964832
+                    "lo": 423488253481676514
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 683202006791076361
-                    "lo": 2205416385296648
+                    "lo": 883651461035805290
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 463288611980719714
-                        "lo": 476975936457964832
+                        "lo": 423488253481676514
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 683202006791076361
-                        "lo": 2205416385296648
+                        "lo": 883651461035805290
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1846954912284745
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 2464989760377137958
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 562600843785965194
-                    "lo": 32433478778210154
+                    "lo": 611731978827807323
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 463288611980719714
-                                  "lo": 2941965696835102790
+                                  "lo": 423488253481676514
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 683202006791076361
-                                  "lo": 358461473011903
+                                  "lo": 883651461035805290
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 562600843785965194
-                                  "lo": 32433478778210154
+                                  "lo": 611731978827807323
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 463288611980719714
-                          "lo": 2941965696835102790
+                          "lo": 423488253481676514
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 10641522092203758810
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 683202006791076361
-                          "lo": 358461473011903
+                          "lo": 883651461035805290
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13108358807493181513
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.13.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.13.json
index d804f22a..0c8abde2 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.13.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.13.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 667321015665900902
-                    "lo": 690200456393598002
+                    "lo": 125065570590896063
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 905842822303786190
-                    "lo": 89800372950451704
+                    "lo": 547712031869143282
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 667321015665900902
-                    "lo": 690200456393598002
+                    "lo": 125065570590896063
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 905842822303786190
-                    "lo": 89800372950451704
+                    "lo": 547712031869143282
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 667321015665900902
-                        "lo": 690200456393598002
+                        "lo": 125065570590896063
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 905842822303786190
-                        "lo": 89800372950451704
+                        "lo": 547712031869143282
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 55559182968748751
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 7885160176705254
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 777488232845635285
-                    "lo": 248958346706265461
+                    "lo": 261724889502724698
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 667321015665900902
-                                  "lo": 634641273424849251
+                                  "lo": 125065570590896063
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 905842822303786190
-                                  "lo": 97685533127156958
+                                  "lo": 547712031869143282
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 777488232845635285
-                                  "lo": 248958346706265461
+                                  "lo": 261724889502724698
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 667321015665900902
-                          "lo": 634641273424849251
+                          "lo": 125065570590896063
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13162071035549645519
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 905842822303786190
-                          "lo": 97685533127156958
+                          "lo": 547712031869143282
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13098626692404191514
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.130.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.130.json
index ba6b1721..267bb073 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.130.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.130.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 644127999212384573
-                    "lo": 879790625140026009
+                    "lo": 287182247006491173
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 667010477148915819
-                    "lo": 464347755696380855
+                    "lo": 434086122191940339
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 644127999212384573
-                    "lo": 879790625140026009
+                    "lo": 287182247006491173
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 667010477148915819
-                    "lo": 464347755696380855
+                    "lo": 434086122191940339
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 644127999212384573
-                        "lo": 879790625140026009
+                        "lo": 287182247006491173
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 667010477148915819
-                        "lo": 464347755696380855
+                        "lo": 434086122191940339
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 7055560762964893
+                    "lo": 36999502279940284
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 6907076835610297
+                        "lo": 26839415853402039
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 655469392191297599
-                    "lo": 639162578900303725
+                    "lo": 353074819217422697
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 651035076047994870
-                                  "lo": 879790625140026009
+                                  "lo": 314021662859893212
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 659954916385950926
-                                  "lo": 464347755696380855
+                                  "lo": 397086619912000055
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 655469392191297599
-                                  "lo": 639162578900303725
+                                  "lo": 353074819217422697
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -847,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 651035076047994870
-                          "lo": 879790625140026009
+                          "lo": 314021662859893212
                         }
                       }
                     },
@@ -994,8 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13099604775745286471
-                          "lo": 13106511852580896768
+                          "lo": 13079672436727494729
                         }
                       }
                     },
@@ -1180,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 659954916385950926
-                          "lo": 464347755696380855
+                          "lo": 397086619912000055
                         }
                       }
                     },
@@ -1327,8 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13113567413343861661
-                          "lo": 13106511852580896768
+                          "lo": 13143511354860837052
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.131.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.131.json
index 59a3e369..829e5c3e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.131.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.131.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 804437940747377658
-                    "lo": 810789157486479746
+                    "lo": 844831860932339154
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 92035543442859399
-                    "lo": 965816953120795083
+                    "lo": 601378649645014696
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 804437940747377658
-                    "lo": 810789157486479746
+                    "lo": 844831860932339154
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 92035543442859399
-                    "lo": 965816953120795083
+                    "lo": 601378649645014696
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 804437940747377658
-                        "lo": 810789157486479746
+                        "lo": 844831860932339154
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 92035543442859399
-                        "lo": 965816953120795083
+                        "lo": 601378649645014696
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 4366533133200549
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 40187227308353910
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 272097194110375992
-                    "lo": 884914636395493432
+                    "lo": 712785973279900455
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 844625168055731568
-                                  "lo": 810789157486479746
+                                  "lo": 844831860932339154
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 87669010309658850
-                                  "lo": 965816953120795083
+                                  "lo": 601378649645014696
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 272097194110375992
-                                  "lo": 884914636395493432
+                                  "lo": 712785973279900455
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 844625168055731568
-                          "lo": 810789157486479746
+                          "lo": 844831860932339154
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13066324625272542858
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 87669010309658850
-                          "lo": 965816953120795083
+                          "lo": 601378649645014696
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13110878385714097317
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.132.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.132.json
index b4cf2402..e5e351cb 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.132.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.132.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 276762026430997866
-                    "lo": 172264317302981699
+                    "lo": 482581882491790978
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 281318902875497521
-                    "lo": 235175194820009517
+                    "lo": 838846382161640493
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 276762026430997866
-                    "lo": 172264317302981699
+                    "lo": 482581882491790978
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 281318902875497521
-                    "lo": 235175194820009517
+                    "lo": 838846382161640493
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 276762026430997866
-                        "lo": 172264317302981699
+                        "lo": 482581882491790978
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 281318902875497521
-                        "lo": 235175194820009517
+                        "lo": 838846382161640493
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 42083773424627219
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 76254406676751593
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 279031162476824022
-                    "lo": 201276661295503054
+                    "lo": 636248431216134929
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 276762026430997866
-                                  "lo": 130180543878354480
+                                  "lo": 482581882491790978
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 281318902875497521
-                                  "lo": 311429601496761110
+                                  "lo": 838846382161640493
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 279031162476824022
-                                  "lo": 201276661295503054
+                                  "lo": 636248431216134929
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 276762026430997866
-                          "lo": 130180543878354480
+                          "lo": 482581882491790978
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13148595626005523987
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 281318902875497521
-                          "lo": 311429601496761110
+                          "lo": 838846382161640493
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13030257445904145175
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.133.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.133.json
index 3b495d0d..e5288414 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.133.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.133.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 738974423761584934
-                    "lo": 646616328083954965
+                    "lo": 686658087571597545
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 524399404138609640
-                    "lo": 31582482579586298
+                    "lo": 784839840375869945
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 738974423761584934
-                    "lo": 646616328083954965
+                    "lo": 686658087571597545
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 524399404138609640
-                    "lo": 31582482579586298
+                    "lo": 784839840375869945
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 738974423761584934
-                        "lo": 646616328083954965
+                        "lo": 686658087571597545
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 524399404138609640
-                        "lo": 31582482579586298
+                        "lo": 784839840375869945
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 3671291300670286
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 85308436197270128
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 622509234866638389
-                    "lo": 142904684728624505
+                    "lo": 734109408632318744
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 738974423761584934
-                                  "lo": 731924764281225093
+                                  "lo": 686658087571597545
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 524399404138609640
-                                  "lo": 27911191278916012
+                                  "lo": 784839840375869945
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 622509234866638389
-                                  "lo": 142904684728624505
+                                  "lo": 734109408632318744
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 738974423761584934
-                          "lo": 731924764281225093
+                          "lo": 686658087571597545
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13021203416383626640
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 524399404138609640
-                          "lo": 27911191278916012
+                          "lo": 784839840375869945
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13110183143881567054
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.134.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.134.json
index 276c9790..e582c222 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.134.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.134.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 311825106521992429
-                    "lo": 496858757280999836
+                    "lo": 200291722828518220
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 456276633204955677
-                    "lo": 385733863726391321
+                    "lo": 855138488772380742
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 311825106521992429
-                    "lo": 496858757280999836
+                    "lo": 200291722828518220
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 456276633204955677
-                    "lo": 385733863726391321
+                    "lo": 855138488772380742
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 311825106521992429
-                        "lo": 496858757280999836
+                        "lo": 200291722828518220
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 456276633204955677
-                        "lo": 385733863726391321
+                        "lo": 855138488772380742
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 377198236677521295
-                    "lo": 437784476851673364
+                    "lo": 413856449959639536
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 311825106521992429
-                                  "lo": 496858757280999836
+                                  "lo": 200291722828518220
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 456276633204955677
-                                  "lo": 385733863726391321
+                                  "lo": 855138488772380742
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 377198236677521295
-                                  "lo": 437784476851673364
+                                  "lo": 413856449959639536
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 311825106521992429
-                          "lo": 496858757280999836
+                          "lo": 200291722828518220
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 456276633204955677
-                          "lo": 385733863726391321
+                          "lo": 855138488772380742
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.135.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.135.json
index fe182743..083692e1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.135.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.135.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 118847167787983359
-                    "lo": 815191833717216231
+                    "lo": 711470174908652439
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 522191489284717054
-                    "lo": 895943264875590719
+                    "lo": 120233156590989452
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 118847167787983359
-                    "lo": 815191833717216231
+                    "lo": 711470174908652439
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 522191489284717054
-                    "lo": 895943264875590719
+                    "lo": 120233156590989452
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 118847167787983359
-                        "lo": 815191833717216231
+                        "lo": 711470174908652439
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 522191489284717054
-                        "lo": 895943264875590719
+                        "lo": 120233156590989452
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 249120411737933834
-                    "lo": 854614318274929423
+                    "lo": 292476161335604689
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 118847167787983359
-                                  "lo": 815191833717216231
+                                  "lo": 711470174908652439
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 522191489284717054
-                                  "lo": 895943264875590719
+                                  "lo": 120233156590989452
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 249120411737933834
-                                  "lo": 854614318274929423
+                                  "lo": 292476161335604689
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 118847167787983359
-                          "lo": 815191833717216231
+                          "lo": 711470174908652439
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 522191489284717054
-                          "lo": 895943264875590719
+                          "lo": 120233156590989452
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.136.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.136.json
index 590a9796..29762e76 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.136.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.136.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 23531957603468966
-                    "lo": 300622830616966250
+                    "lo": 648924368032893135
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 575344313409109082
-                    "lo": 359019045047797838
+                    "lo": 402557013837605098
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 23531957603468966
-                    "lo": 300622830616966250
+                    "lo": 648924368032893135
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 575344313409109082
-                    "lo": 359019045047797838
+                    "lo": 402557013837605098
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 23531957603468966
-                        "lo": 300622830616966250
+                        "lo": 648924368032893135
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 575344313409109082
-                        "lo": 359019045047797838
+                        "lo": 402557013837605098
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 20152247191681582
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 3440936504613493243
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 116357114052128829
-                    "lo": 328525983093680286
+                    "lo": 511105718811457347
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 3379710411787384
-                                  "lo": 300622830616966250
+                                  "lo": 648924368032893135
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 4016280818022602325
-                                  "lo": 359019045047797838
+                                  "lo": 402557013837605098
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 116357114052128829
-                                  "lo": 328525983093680286
+                                  "lo": 511105718811457347
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 3379710411787384
-                          "lo": 300622830616966250
+                          "lo": 648924368032893135
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13126664099772578350
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 4016280818022602325
-                          "lo": 359019045047797838
+                          "lo": 402557013837605098
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 9665575347967403525
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.137.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.137.json
index ce8ed79b..0547a5ff 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.137.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.137.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 962675942994124986
-                    "lo": 908515551412121563
+                    "lo": 808502648883012419
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 509075788684350293
-                    "lo": 504695607341230017
+                    "lo": 566809471846247952
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 962675942994124986
-                    "lo": 908515551412121563
+                    "lo": 808502648883012419
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 509075788684350293
-                    "lo": 504695607341230017
+                    "lo": 566809471846247952
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 962675942994124986
-                        "lo": 908515551412121563
+                        "lo": 808502648883012419
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 509075788684350293
-                        "lo": 504695607341230017
+                        "lo": 566809471846247952
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 700053580040260075
-                    "lo": 677143860637378278
+                    "lo": 676954178212730082
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 962675942994124986
-                                  "lo": 908515551412121563
+                                  "lo": 808502648883012419
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 509075788684350293
-                                  "lo": 504695607341230017
+                                  "lo": 566809471846247952
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 700053580040260075
-                                  "lo": 677143860637378278
+                                  "lo": 676954178212730082
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 962675942994124986
-                          "lo": 908515551412121563
+                          "lo": 808502648883012419
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 509075788684350293
-                          "lo": 504695607341230017
+                          "lo": 566809471846247952
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.138.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.138.json
index a5348438..a76c5465 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.138.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.138.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 825669831483443243
-                    "lo": 387933319506445104
+                    "lo": 221260296964160488
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 189161371591773328
-                    "lo": 599383593134132292
+                    "lo": 954044325450467938
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 825669831483443243
-                    "lo": 387933319506445104
+                    "lo": 221260296964160488
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 189161371591773328
-                    "lo": 599383593134132292
+                    "lo": 954044325450467938
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 825669831483443243
-                        "lo": 387933319506445104
+                        "lo": 221260296964160488
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 189161371591773328
-                        "lo": 599383593134132292
+                        "lo": 954044325450467938
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 395202274544765837
-                    "lo": 482204175575268570
+                    "lo": 459447636587830008
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 825669831483443243
-                                  "lo": 387933319506445104
+                                  "lo": 221260296964160488
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 189161371591773328
-                                  "lo": 599383593134132292
+                                  "lo": 954044325450467938
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 395202274544765837
-                                  "lo": 482204175575268570
+                                  "lo": 459447636587830008
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 825669831483443243
-                          "lo": 387933319506445104
+                          "lo": 221260296964160488
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 189161371591773328
-                          "lo": 599383593134132292
+                          "lo": 954044325450467938
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.139.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.139.json
index 14477aee..75b677f1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.139.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.139.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 221711119377350051
-                    "lo": 477715886851897974
+                    "lo": 125429088641528211
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 566067072283284227
-                    "lo": 699730623638749303
+                    "lo": 929159228885346952
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 221711119377350051
-                    "lo": 477715886851897974
+                    "lo": 125429088641528211
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 566067072283284227
-                    "lo": 699730623638749303
+                    "lo": 929159228885346952
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 221711119377350051
-                        "lo": 477715886851897974
+                        "lo": 125429088641528211
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 566067072283284227
-                        "lo": 699730623638749303
+                        "lo": 929159228885346952
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 354264539911329919
-                    "lo": 578162983447588736
+                    "lo": 341384819934856187
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 221711119377350051
-                                  "lo": 477715886851897974
+                                  "lo": 125429088641528211
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 566067072283284227
-                                  "lo": 699730623638749303
+                                  "lo": 929159228885346952
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 354264539911329919
-                                  "lo": 578162983447588736
+                                  "lo": 341384819934856187
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 221711119377350051
-                          "lo": 477715886851897974
+                          "lo": 125429088641528211
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 566067072283284227
-                          "lo": 699730623638749303
+                          "lo": 929159228885346952
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.14.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.14.json
index 899a7d3d..b5abc2d1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.14.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.14.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 129684760771807651
-                    "lo": 118172489107649494
+                    "lo": 541485294859092745
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 777660822066867986
-                    "lo": 849384673492527116
+                    "lo": 925080817416976549
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 129684760771807651
-                    "lo": 118172489107649494
+                    "lo": 541485294859092745
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 777660822066867986
-                    "lo": 849384673492527116
+                    "lo": 925080817416976549
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 129684760771807651
-                        "lo": 118172489107649494
+                        "lo": 541485294859092745
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 777660822066867986
-                        "lo": 849384673492527116
+                        "lo": 925080817416976549
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 28495793346716374
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 17261589358097565
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 317570083086157615
-                    "lo": 316818403942226946
+                    "lo": 707755366767022181
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 129684760771807651
-                                  "lo": 118172489107649494
+                                  "lo": 558746884217190310
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 777660822066867986
-                                  "lo": 849384673492527116
+                                  "lo": 896585024070260175
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 317570083086157615
-                                  "lo": 316818403942226946
+                                  "lo": 707755366767022181
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 129684760771807651
-                          "lo": 118172489107649494
+                          "lo": 558746884217190310
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13089250263222799203
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 777660822066867986
-                          "lo": 849384673492527116
+                          "lo": 896585024070260175
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13135007645927613142
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.140.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.140.json
index c08498d4..2abb2d1a 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.140.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.140.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 905808479571147613
-                    "lo": 964688177453281829
+                    "lo": 587382385400686940
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 59856720390144494
-                    "lo": 317100850238064564
+                    "lo": 898327431923405958
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 905808479571147613
-                    "lo": 964688177453281829
+                    "lo": 587382385400686940
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 59856720390144494
-                    "lo": 317100850238064564
+                    "lo": 898327431923405958
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 905808479571147613
-                        "lo": 964688177453281829
+                        "lo": 587382385400686940
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 59856720390144494
-                        "lo": 317100850238064564
+                        "lo": 898327431923405958
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 232849146205675604
-                    "lo": 553085383358704005
+                    "lo": 726403269426868286
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 905808479571147613
-                                  "lo": 964688177453281829
+                                  "lo": 587382385400686940
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 59856720390144494
-                                  "lo": 317100850238064564
+                                  "lo": 898327431923405958
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 232849146205675604
-                                  "lo": 553085383358704005
+                                  "lo": 726403269426868286
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 905808479571147613
-                          "lo": 964688177453281829
+                          "lo": 587382385400686940
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 59856720390144494
-                          "lo": 317100850238064564
+                          "lo": 898327431923405958
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.141.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.141.json
index 90d8c3d0..20c45d34 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.141.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.141.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 224039893464302760
-                    "lo": 818872022274799894
+                    "lo": 426140238266612659
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 153590132110238359
-                    "lo": 311454493578576184
+                    "lo": 31550035217311563
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 224039893464302760
-                    "lo": 818872022274799894
+                    "lo": 426140238266612659
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 153590132110238359
-                    "lo": 311454493578576184
+                    "lo": 31550035217311563
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 224039893464302760
-                        "lo": 818872022274799894
+                        "lo": 426140238266612659
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 153590132110238359
-                        "lo": 311454493578576184
+                        "lo": 31550035217311563
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 4629785233442465
+                    "lo": 17343172828739907
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 6984259539180876
+                        "lo": 521780403438514736
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 185500180148554002
-                    "lo": 505016208654001874
+                    "lo": 115951453310534965
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 231024153003483636
-                                  "lo": 818872022274799894
+                                  "lo": 947920641705127395
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 148960346876795894
-                                  "lo": 311454493578576184
+                                  "lo": 14206862388571656
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 185500180148554002
-                                  "lo": 505016208654001874
+                                  "lo": 115951453310534965
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -847,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 231024153003483636
-                          "lo": 818872022274799894
+                          "lo": 947920641705127395
                         }
                       }
                     },
@@ -994,8 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13099527593041715892
-                          "lo": 13106511852580896768
+                          "lo": 12584731449142382032
                         }
                       }
                     },
@@ -1180,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 148960346876795894
-                          "lo": 311454493578576184
+                          "lo": 14206862388571656
                         }
                       }
                     },
@@ -1327,8 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13111141637814339233
-                          "lo": 13106511852580896768
+                          "lo": 13123855025409636675
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.142.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.142.json
index 98aa69de..f6e88d6f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.142.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.142.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 157426497834651791
-                    "lo": 574429977068907803
+                    "lo": 659124855977856454
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 995903253666161466
-                    "lo": 497153444986008591
+                    "lo": 257092285155289062
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 157426497834651791
-                    "lo": 574429977068907803
+                    "lo": 659124855977856454
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 995903253666161466
-                    "lo": 497153444986008591
+                    "lo": 257092285155289062
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 157426497834651791
-                        "lo": 574429977068907803
+                        "lo": 659124855977856454
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 995903253666161466
-                        "lo": 497153444986008591
+                        "lo": 257092285155289062
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 40179534756641807
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 6638274624109346
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 395956514540168465
-                    "lo": 534396708450792604
+                    "lo": 411650234332494830
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 164064772458761137
-                                  "lo": 574429977068907803
+                                  "lo": 659124855977856454
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 955723718909519659
-                                  "lo": 497153444986008591
+                                  "lo": 257092285155289062
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 395956514540168465
-                                  "lo": 534396708450792604
+                                  "lo": 411650234332494830
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 164064772458761137
-                          "lo": 574429977068907803
+                          "lo": 659124855977856454
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13099873577956787422
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 955723718909519659
-                          "lo": 497153444986008591
+                          "lo": 257092285155289062
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13146691387337538575
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.143.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.143.json
index 58746cfa..783fe51e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.143.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.143.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 358015465116075504
-                    "lo": 301420684353872332
+                    "lo": 304194594121266607
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 489257264151632252
-                    "lo": 914807748043123163
+                    "lo": 445039208507078022
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 358015465116075504
-                    "lo": 301420684353872332
+                    "lo": 304194594121266607
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 489257264151632252
-                    "lo": 914807748043123163
+                    "lo": 445039208507078022
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 358015465116075504
-                        "lo": 301420684353872332
+                        "lo": 304194594121266607
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 489257264151632252
-                        "lo": 914807748043123163
+                        "lo": 445039208507078022
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 418523197668498698
-                    "lo": 525111395293782399
+                    "lo": 367938203235081773
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 358015465116075504
-                                  "lo": 301420684353872332
+                                  "lo": 304194594121266607
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 489257264151632252
-                                  "lo": 914807748043123163
+                                  "lo": 445039208507078022
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 418523197668498698
-                                  "lo": 525111395293782399
+                                  "lo": 367938203235081773
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 358015465116075504
-                          "lo": 301420684353872332
+                          "lo": 304194594121266607
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 489257264151632252
-                          "lo": 914807748043123163
+                          "lo": 445039208507078022
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.144.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.144.json
index 6f372e36..28ad6e65 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.144.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.144.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 460859217946455270
-                    "lo": 153178442861662304
+                    "lo": 184269193513170486
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 348903662551588215
-                    "lo": 130400528281797432
+                    "lo": 769048019616389596
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 460859217946455270
-                    "lo": 153178442861662304
+                    "lo": 184269193513170486
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 348903662551588215
-                    "lo": 130400528281797432
+                    "lo": 769048019616389596
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 460859217946455270
-                        "lo": 153178442861662304
+                        "lo": 184269193513170486
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 348903662551588215
-                        "lo": 130400528281797432
+                        "lo": 769048019616389596
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 92775269805918237
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 200889235151393496
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 400993103509497875
-                    "lo": 141331347798511732
+                    "lo": 376446355205642848
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 460859217946455270
-                                  "lo": 60403173055744067
+                                  "lo": 184269193513170486
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 348903662551588215
-                                  "lo": 331289763433190928
+                                  "lo": 769048019616389596
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 400993103509497875
-                                  "lo": 141331347798511732
+                                  "lo": 376446355205642848
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 460859217946455270
-                          "lo": 60403173055744067
+                          "lo": 184269193513170486
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13199287122386815005
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 348903662551588215
-                          "lo": 331289763433190928
+                          "lo": 769048019616389596
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12905622617429503272
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.145.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.145.json
index 74e9fe8c..e530bdfe 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.145.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.145.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 531140712291830583
-                    "lo": 275600014946271230
+                    "lo": 785837043876556291
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 549351450230510001
-                    "lo": 917524415922301437
+                    "lo": 642089925269917458
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 531140712291830583
-                    "lo": 275600014946271230
+                    "lo": 785837043876556291
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 549351450230510001
-                    "lo": 917524415922301437
+                    "lo": 642089925269917458
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 531140712291830583
-                        "lo": 275600014946271230
+                        "lo": 785837043876556291
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 549351450230510001
-                        "lo": 917524415922301437
+                        "lo": 642089925269917458
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 540169344348587779
-                    "lo": 502861554249034886
+                    "lo": 710336574292096320
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 531140712291830583
-                                  "lo": 275600014946271230
+                                  "lo": 785837043876556291
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 549351450230510001
-                                  "lo": 917524415922301437
+                                  "lo": 642089925269917458
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 540169344348587779
-                                  "lo": 502861554249034886
+                                  "lo": 710336574292096320
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 531140712291830583
-                          "lo": 275600014946271230
+                          "lo": 785837043876556291
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 549351450230510001
-                          "lo": 917524415922301437
+                          "lo": 642089925269917458
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.146.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.146.json
index f36c3f7f..c2c776c3 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.146.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.146.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 138447915010052776
-                    "lo": 653900429832380178
+                    "lo": 613885156538235229
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 804368964703953043
-                    "lo": 519375353449228908
+                    "lo": 335321004168842
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 138447915010052776
-                    "lo": 653900429832380178
+                    "lo": 613885156538235229
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 804368964703953043
-                    "lo": 519375353449228908
+                    "lo": 335321004168842
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 138447915010052776
-                        "lo": 653900429832380178
+                        "lo": 613885156538235229
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 804368964703953043
-                        "lo": 519375353449228908
+                        "lo": 335321004168842
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 198986033480829660
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 161304200846762
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 333711261515186256
-                    "lo": 582769051052640544
+                    "lo": 14347424407702861
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 138447915010052776
-                                  "lo": 653900429832380178
+                                  "lo": 414899123057405569
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 804368964703953043
-                                  "lo": 519375353449228908
+                                  "lo": 496625205015604
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 333711261515186256
-                                  "lo": 582769051052640544
+                                  "lo": 14347424407702861
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 138447915010052776
-                          "lo": 653900429832380178
+                          "lo": 414899123057405569
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13305497886061726428
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 804368964703953043
-                          "lo": 519375353449228908
+                          "lo": 496625205015604
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13106350548380050006
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.147.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.147.json
index e8cfc097..b3817530 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.147.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.147.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 643200566086831812
-                    "lo": 360932746681549520
+                    "lo": 170382902351945931
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 611038371151634656
-                    "lo": 289762962489890028
+                    "lo": 423869402781238218
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 643200566086831812
-                    "lo": 360932746681549520
+                    "lo": 170382902351945931
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 611038371151634656
-                    "lo": 289762962489890028
+                    "lo": 423869402781238218
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 643200566086831812
-                        "lo": 360932746681549520
+                        "lo": 170382902351945931
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 611038371151634656
-                        "lo": 289762962489890028
+                        "lo": 423869402781238218
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 20888500875724298
+                    "lo": 46090840682453068
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 28124761422089965
+                        "lo": 20850101518921323
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 626913252552143015
-                    "lo": 323395952259855616
+                    "lo": 268737974733853626
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 643200566086831812
-                                  "lo": 389057508103639485
+                                  "lo": 191233003870867254
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 611038371151634656
-                                  "lo": 268874461614165730
+                                  "lo": 377778562098785150
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 626913252552143015
-                                  "lo": 323395952259855616
+                                  "lo": 268737974733853626
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 643200566086831812
-                          "lo": 389057508103639485
+                          "lo": 191233003870867254
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13078387091158806803
+                          "lo": 13085661751061975445
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 611038371151634656
-                          "lo": 268874461614165730
+                          "lo": 377778562098785150
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13127400353456621066
+                          "lo": 13152602693263349836
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.148.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.148.json
index b33cdc0f..0bf20269 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.148.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.148.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 285447137365504069
-                    "lo": 727333946362474088
+                    "lo": 743845695203998240
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 730911244727738106
-                    "lo": 557507252512573811
+                    "lo": 296657918149026029
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 285447137365504069
-                    "lo": 727333946362474088
+                    "lo": 743845695203998240
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 730911244727738106
-                    "lo": 557507252512573811
+                    "lo": 296657918149026029
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 285447137365504069
-                        "lo": 727333946362474088
+                        "lo": 743845695203998240
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 730911244727738106
-                        "lo": 557507252512573811
+                        "lo": 296657918149026029
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 456767470903730425
-                    "lo": 636784068657241657
+                    "lo": 469752823688515014
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 285447137365504069
-                                  "lo": 727333946362474088
+                                  "lo": 743845695203998240
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 730911244727738106
-                                  "lo": 557507252512573811
+                                  "lo": 296657918149026029
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 456767470903730425
-                                  "lo": 636784068657241657
+                                  "lo": 469752823688515014
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 285447137365504069
-                          "lo": 727333946362474088
+                          "lo": 743845695203998240
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 730911244727738106
-                          "lo": 557507252512573811
+                          "lo": 296657918149026029
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.149.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.149.json
index 1b871e02..509c58c1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.149.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.149.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 416198635567389929
-                    "lo": 934031946872720229
+                    "lo": 898885029596640340
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 14256347259463674
-                    "lo": 552573800208937757
+                    "lo": 523813021220097308
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 416198635567389929
-                    "lo": 934031946872720229
+                    "lo": 898885029596640340
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 14256347259463674
-                    "lo": 552573800208937757
+                    "lo": 523813021220097308
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 416198635567389929
-                        "lo": 934031946872720229
+                        "lo": 898885029596640340
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 14256347259463674
-                        "lo": 552573800208937757
+                        "lo": 523813021220097308
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 229871656302446441
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 17640983306417147
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 77029035289062784
-                    "lo": 718416023206617847
+                    "lo": 686183417959464219
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 186326979264943488
-                                  "lo": 934031946872720229
+                                  "lo": 898885029596640340
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 31897330565880821
-                                  "lo": 552573800208937757
+                                  "lo": 523813021220097308
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 77029035289062784
-                                  "lo": 718416023206617847
+                                  "lo": 686183417959464219
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 186326979264943488
-                          "lo": 934031946872720229
+                          "lo": 898885029596640340
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13336383508883343209
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 31897330565880821
-                          "lo": 552573800208937757
+                          "lo": 523813021220097308
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13088870869274479621
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.15.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.15.json
index bc796c54..2564ed38 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.15.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.15.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 389645193285157936
-                    "lo": 458534867122458145
+                    "lo": 110879560267950534
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 545176774556732279
-                    "lo": 585638985402397189
+                    "lo": 815079812939053496
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 389645193285157936
-                    "lo": 458534867122458145
+                    "lo": 110879560267950534
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 545176774556732279
-                    "lo": 585638985402397189
+                    "lo": 815079812939053496
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 389645193285157936
-                        "lo": 458534867122458145
+                        "lo": 110879560267950534
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 545176774556732279
-                        "lo": 585638985402397189
+                        "lo": 815079812939053496
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 460896419704836633
-                    "lo": 518204490865545664
+                    "lo": 300625499986221444
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 389645193285157936
-                                  "lo": 458534867122458145
+                                  "lo": 110879560267950534
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 545176774556732279
-                                  "lo": 585638985402397189
+                                  "lo": 815079812939053496
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 460896419704836633
-                                  "lo": 518204490865545664
+                                  "lo": 300625499986221444
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 389645193285157936
-                          "lo": 458534867122458145
+                          "lo": 110879560267950534
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 545176774556732279
-                          "lo": 585638985402397189
+                          "lo": 815079812939053496
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.150.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.150.json
index 41f3eb58..1784de6f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.150.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.150.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 241969943877771214
-                    "lo": 186909594087793942
+                    "lo": 57399010482701945
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 422862830085327573
-                    "lo": 401658106802720031
+                    "lo": 935829320081805568
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 241969943877771214
-                    "lo": 186909594087793942
+                    "lo": 57399010482701945
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 422862830085327573
-                    "lo": 401658106802720031
+                    "lo": 935829320081805568
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 241969943877771214
-                        "lo": 186909594087793942
+                        "lo": 57399010482701945
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 422862830085327573
-                        "lo": 401658106802720031
+                        "lo": 935829320081805568
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 50030387925620886
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 26673942035511535
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 319875124484137118
-                    "lo": 273995900890083002
+                    "lo": 231766427580431483
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 241969943877771214
-                                  "lo": 213583536123305477
+                                  "lo": 57399010482701945
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 422862830085327573
-                                  "lo": 351627718877099145
+                                  "lo": 935829320081805568
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 319875124484137118
-                                  "lo": 273995900890083002
+                                  "lo": 231766427580431483
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 241969943877771214
-                          "lo": 213583536123305477
+                          "lo": 57399010482701945
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13079837910545385233
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 422862830085327573
-                          "lo": 351627718877099145
+                          "lo": 935829320081805568
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13156542240506517654
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.151.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.151.json
index 37bd4246..e4924d32 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.151.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.151.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 82523239189871006
-                    "lo": 734737495150015467
+                    "lo": 998271332796148028
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 681665010421580283
-                    "lo": 5108239189810991
+                    "lo": 11981372882446835
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 82523239189871006
-                    "lo": 734737495150015467
+                    "lo": 998271332796148028
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 681665010421580283
-                    "lo": 5108239189810991
+                    "lo": 11981372882446835
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 82523239189871006
-                        "lo": 734737495150015467
+                        "lo": 998271332796148028
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 681665010421580283
-                        "lo": 5108239189810991
+                        "lo": 11981372882446835
                       }
                     }
                   ]
@@ -241,13 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": false
+                  "bool": true
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 190620376577090092
-                    "lo": 614608630938691
+                    "lo": 658470152343120325
                   }
                 },
                 {
@@ -263,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -275,8 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 32131386186833527
-                        "lo": 100794848283748258
+                        "lo": 23287487594828674
                       }
                     }
                   ]
@@ -593,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 237177580522244938
-                    "lo": 61263487224846023
+                    "lo": 109364807301470740
                   }
                 }
               }
@@ -643,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -659,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -714,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 114654625376704533
-                                  "lo": 835532343433763725
+                                  "lo": 339801180453027703
                                 }
                               }
                             },
@@ -726,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 491044633844490191
-                                  "lo": 4493630558872300
+                                  "lo": 35268860477275509
                                 }
                               }
                             },
@@ -754,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 237177580522244938
-                                  "lo": 61263487224846023
+                                  "lo": 109364807301470740
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -882,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 114654625376704533
-                          "lo": 835532343433763725
+                          "lo": 339801180453027703
                         }
                       }
                     },
@@ -1029,8 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13074380466394063241
-                          "lo": 13005717004297148510
+                          "lo": 13764982004924017093
                         }
                       }
                     },
@@ -1215,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 491044633844490191
-                          "lo": 4493630558872300
+                          "lo": 35268860477275509
                         }
                       }
                     },
@@ -1362,8 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13297132229157986860
-                          "lo": 13107126461211835459
+                          "lo": 13083224364986068094
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.152.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.152.json
index 966fd7f9..8b201395 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.152.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.152.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 291898097998873183
-                    "lo": 899106111603343968
+                    "lo": 297418709638098753
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 356924136820401079
-                    "lo": 830806906778618558
+                    "lo": 7414331760661727
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 291898097998873183
-                    "lo": 899106111603343968
+                    "lo": 297418709638098753
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 356924136820401079
-                    "lo": 830806906778618558
+                    "lo": 7414331760661727
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 291898097998873183
-                        "lo": 899106111603343968
+                        "lo": 297418709638098753
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 356924136820401079
-                        "lo": 830806906778618558
+                        "lo": 7414331760661727
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 123045071822301529
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 5247594314128051
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 322777751196956966
-                    "lo": 864282111030261695
+                    "lo": 46959141656175783
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 291898097998873183
-                                  "lo": 899106111603343968
+                                  "lo": 174373637815797224
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 356924136820401079
-                                  "lo": 830806906778618558
+                                  "lo": 12661926074789778
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 322777751196956966
-                                  "lo": 864282111030261695
+                                  "lo": 46959141656175783
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 291898097998873183
-                          "lo": 899106111603343968
+                          "lo": 174373637815797224
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13229556924403198297
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 356924136820401079
-                          "lo": 830806906778618558
+                          "lo": 12661926074789778
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13101264258266768717
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.153.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.153.json
index 0b2ff1ce..6cde838e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.153.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.153.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 334327080584248269
-                    "lo": 39101030820311213
+                    "lo": 525887012195955295
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 160304459070182241
-                    "lo": 440471970927006228
+                    "lo": 355173427545459631
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 334327080584248269
-                    "lo": 39101030820311213
+                    "lo": 525887012195955295
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 160304459070182241
-                    "lo": 440471970927006228
+                    "lo": 355173427545459631
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 334327080584248269
-                        "lo": 39101030820311213
+                        "lo": 525887012195955295
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 160304459070182241
-                        "lo": 440471970927006228
+                        "lo": 355173427545459631
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 32099669187642271
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 2025541593883073732
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 231504042741311855
-                    "lo": 131236077778559410
+                    "lo": 432181781919689869
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 334327080584248269
-                                  "lo": 7001361632668942
+                                  "lo": 525887012195955295
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 160304459070182241
-                                  "lo": 2466013564810079960
+                                  "lo": 355173427545459631
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 231504042741311855
-                                  "lo": 131236077778559410
+                                  "lo": 432181781919689869
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 334327080584248269
-                          "lo": 7001361632668942
+                          "lo": 525887012195955295
                         }
                       }
                     },
@@ -995,7 +941,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13138611521768539039
                         }
                       }
                     },
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 160304459070182241
-                          "lo": 2466013564810079960
+                          "lo": 355173427545459631
                         }
                       }
                     },
@@ -1328,7 +1272,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 11080970258697823036
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.154.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.154.json
index 40937c77..b52f4b81 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.154.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.154.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 126695892383434536
-                    "lo": 674743809517628477
+                    "lo": 990545223663930839
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 727099803761067052
-                    "lo": 976329581995688460
+                    "lo": 121943762899599390
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 126695892383434536
-                    "lo": 674743809517628477
+                    "lo": 990545223663930839
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 727099803761067052
-                    "lo": 976329581995688460
+                    "lo": 121943762899599390
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 126695892383434536
-                        "lo": 674743809517628477
+                        "lo": 990545223663930839
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 727099803761067052
-                        "lo": 976329581995688460
+                        "lo": 121943762899599390
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 122465121759139812
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 17255082936310801
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 303513687482671069
-                    "lo": 811647917203342946
+                    "lo": 347549725788706426
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 126695892383434536
-                                  "lo": 674743809517628477
+                                  "lo": 868080101904791027
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 727099803761067052
-                                  "lo": 976329581995688460
+                                  "lo": 139198845835910191
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 303513687482671069
-                                  "lo": 811647917203342946
+                                  "lo": 347549725788706426
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 126695892383434536
-                          "lo": 674743809517628477
+                          "lo": 868080101904791027
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13228976974340036580
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 727099803761067052
-                          "lo": 976329581995688460
+                          "lo": 139198845835910191
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13089256769644585967
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.155.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.155.json
index b795a478..07b8457e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.155.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.155.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 836779240651864172
-                    "lo": 723984265890276266
+                    "lo": 862629503825793583
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 777997065562448634
-                    "lo": 644964363430892334
+                    "lo": 512967888844770214
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 836779240651864172
-                    "lo": 723984265890276266
+                    "lo": 862629503825793583
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 777997065562448634
-                    "lo": 644964363430892334
+                    "lo": 512967888844770214
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 836779240651864172
-                        "lo": 723984265890276266
+                        "lo": 862629503825793583
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 777997065562448634
-                        "lo": 644964363430892334
+                        "lo": 512967888844770214
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 806853018678572183
-                    "lo": 683333045581657736
+                    "lo": 665207663389958974
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 836779240651864172
-                                  "lo": 723984265890276266
+                                  "lo": 862629503825793583
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 777997065562448634
-                                  "lo": 644964363430892334
+                                  "lo": 512967888844770214
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 806853018678572183
-                                  "lo": 683333045581657736
+                                  "lo": 665207663389958974
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 836779240651864172
-                          "lo": 723984265890276266
+                          "lo": 862629503825793583
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 777997065562448634
-                          "lo": 644964363430892334
+                          "lo": 512967888844770214
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.156.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.156.json
index 0ca1f410..9fba410e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.156.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.156.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 260062943781951686
-                    "lo": 273180553081952311
+                    "lo": 254203432436492336
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 957055633166586821
-                    "lo": 130107944694850620
+                    "lo": 137626725560033802
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 260062943781951686
-                    "lo": 273180553081952311
+                    "lo": 254203432436492336
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 957055633166586821
-                    "lo": 130107944694850620
+                    "lo": 137626725560033802
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 260062943781951686
-                        "lo": 273180553081952311
+                        "lo": 254203432436492336
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 957055633166586821
-                        "lo": 130107944694850620
+                        "lo": 137626725560033802
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 498893480939972038
-                    "lo": 188528407122362743
+                    "lo": 187043273154518244
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 260062943781951686
-                                  "lo": 273180553081952311
+                                  "lo": 254203432436492336
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 957055633166586821
-                                  "lo": 130107944694850620
+                                  "lo": 137626725560033802
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 498893480939972038
-                                  "lo": 188528407122362743
+                                  "lo": 187043273154518244
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 260062943781951686
-                          "lo": 273180553081952311
+                          "lo": 254203432436492336
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 957055633166586821
-                          "lo": 130107944694850620
+                          "lo": 137626725560033802
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.157.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.157.json
index 44e4c637..8319b6f1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.157.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.157.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 130734829502779449
-                    "lo": 92856416382380173
+                    "lo": 916378914122531247
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 298778511327523616
-                    "lo": 259714349517524761
+                    "lo": 996342955387520336
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 130734829502779449
-                    "lo": 92856416382380173
+                    "lo": 916378914122531247
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 298778511327523616
-                    "lo": 259714349517524761
+                    "lo": 996342955387520336
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 130734829502779449
-                        "lo": 92856416382380173
+                        "lo": 916378914122531247
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 298778511327523616
-                        "lo": 259714349517524761
+                        "lo": 996342955387520336
                       }
                     }
                   ]
@@ -228,69 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 8483837315452802
-                    "lo": 40996380636390526
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 3832210976862786
-                        "lo": 205927094638493647
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -595,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 197637946097145166
-                    "lo": 155293733869973956
+                    "lo": 955524816816208850
                   }
                 }
               }
@@ -645,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -661,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -716,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 134567040479642235
-                                  "lo": 51860035745989647
+                                  "lo": 916378914122531247
                                 }
                               }
                             },
@@ -728,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 290294674012070814
-                                  "lo": 465641444156018408
+                                  "lo": 996342955387520336
                                 }
                               }
                             },
@@ -756,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 197637946097145166
-                                  "lo": 155293733869973956
+                                  "lo": 955524816816208850
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -807,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -884,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 134567040479642235
-                          "lo": 51860035745989647
+                          "lo": 916378914122531247
                         }
                       }
                     },
@@ -1031,8 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13102679641604033982
-                          "lo": 13147508233217287294
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1217,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 290294674012070814
-                          "lo": 465641444156018408
+                          "lo": 996342955387520336
                         }
                       }
                     },
@@ -1364,8 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13114995689896349570
-                          "lo": 12900584757942403121
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.158.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.158.json
index 8a56e5a1..f5e17d45 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.158.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.158.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 689181699602001646
-                    "lo": 453990358728381397
+                    "lo": 697192743466871075
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 598997801500602254
-                    "lo": 799785374416463354
+                    "lo": 998406411795770390
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 689181699602001646
-                    "lo": 453990358728381397
+                    "lo": 697192743466871075
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 598997801500602254
-                    "lo": 799785374416463354
+                    "lo": 998406411795770390
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 689181699602001646
-                        "lo": 453990358728381397
+                        "lo": 697192743466871075
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 598997801500602254
-                        "lo": 799785374416463354
+                        "lo": 998406411795770390
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 17357793120280877
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 15522766478210542
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 642509395181150229
-                    "lo": 602573521685979019
+                    "lo": 834315111534489580
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 671823906481720769
-                                  "lo": 453990358728381397
+                                  "lo": 697192743466871075
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 614520567978812796
-                                  "lo": 799785374416463354
+                                  "lo": 998406411795770390
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 642509395181150229
-                                  "lo": 602573521685979019
+                                  "lo": 834315111534489580
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 671823906481720769
-                          "lo": 453990358728381397
+                          "lo": 697192743466871075
                         }
                       }
                     },
@@ -994,7 +940,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13123869645701177645
                           "lo": 13106511852580896768
                         }
                       }
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 614520567978812796
-                          "lo": 799785374416463354
+                          "lo": 998406411795770390
                         }
                       }
                     },
@@ -1327,7 +1271,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13090989086102686226
                           "lo": 13106511852580896768
                         }
                       }
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.159.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.159.json
index 79cf69cf..c75c2a18 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.159.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.159.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 608658453452373286
-                    "lo": 812125131285860713
+                    "lo": 122576759770412309
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 577472277658799445
-                    "lo": 314282441428662287
+                    "lo": 736343891236450074
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 608658453452373286
-                    "lo": 812125131285860713
+                    "lo": 122576759770412309
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 577472277658799445
-                    "lo": 314282441428662287
+                    "lo": 736343891236450074
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 608658453452373286
-                        "lo": 812125131285860713
+                        "lo": 122576759770412309
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 577472277658799445
-                        "lo": 314282441428662287
+                        "lo": 736343891236450074
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 592860340578980172
-                    "lo": 505209529805300871
+                    "lo": 300430771167836518
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 608658453452373286
-                                  "lo": 812125131285860713
+                                  "lo": 122576759770412309
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 577472277658799445
-                                  "lo": 314282441428662287
+                                  "lo": 736343891236450074
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 592860340578980172
-                                  "lo": 505209529805300871
+                                  "lo": 300430771167836518
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 608658453452373286
-                          "lo": 812125131285860713
+                          "lo": 122576759770412309
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 577472277658799445
-                          "lo": 314282441428662287
+                          "lo": 736343891236450074
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.16.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.16.json
index 669a8007..269528f7 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.16.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.16.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 936749654771481133
-                    "lo": 252374900592518627
+                    "lo": 637001668726026164
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 5285443664570446
-                    "lo": 132089720173520286
+                    "lo": 363184937603324284
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 936749654771481133
-                    "lo": 252374900592518627
+                    "lo": 637001668726026164
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 5285443664570446
-                    "lo": 132089720173520286
+                    "lo": 363184937603324284
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 936749654771481133
-                        "lo": 252374900592518627
+                        "lo": 637001668726026164
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 5285443664570446
-                        "lo": 132089720173520286
+                        "lo": 363184937603324284
                       }
                     }
                   ]
@@ -228,69 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 4691184923550719
-                    "lo": 42613339886554535
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 7417120893863521541
-                        "lo": 26914947076998675
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -595,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 70364319993164699
-                    "lo": 182581844656268560
+                    "lo": 480987953393299922
                   }
                 }
               }
@@ -645,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -661,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -716,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 8353870548635002674
-                                  "lo": 209761560705964092
+                                  "lo": 637001668726026164
                                 }
                               }
                             },
@@ -728,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 594258741019727
-                                  "lo": 159004667250518961
+                                  "lo": 363184937603324284
                                 }
                               }
                             },
@@ -756,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 70364319993164699
-                                  "lo": 182581844656268560
+                                  "lo": 480987953393299922
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -807,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -884,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 8353870548635002674
-                          "lo": 209761560705964092
+                          "lo": 637001668726026164
                         }
                       }
                     },
@@ -1031,8 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 5689390958717375227
-                          "lo": 13149125192467451303
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1217,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 594258741019727
-                          "lo": 159004667250518961
+                          "lo": 363184937603324284
                         }
                       }
                     },
@@ -1364,8 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13111203037504447487
-                          "lo": 13079596905503898093
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.160.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.160.json
index dfb0e5ba..04e66de6 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.160.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.160.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 738085708767471162
-                    "lo": 448734110461394115
+                    "lo": 963420981969266157
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 829313125753351791
-                    "lo": 30548004056577380
+                    "lo": 568251968279999369
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 738085708767471162
-                    "lo": 448734110461394115
+                    "lo": 963420981969266157
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 829313125753351791
-                    "lo": 30548004056577380
+                    "lo": 568251968279999369
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 738085708767471162
-                        "lo": 448734110461394115
+                        "lo": 963420981969266157
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 829313125753351791
-                        "lo": 30548004056577380
+                        "lo": 568251968279999369
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 280658758496810858
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 51163736273672443
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 782370862322868973
-                    "lo": 117080875580511907
+                    "lo": 739909365588978929
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 738085708767471162
-                                  "lo": 168075351964583257
+                                  "lo": 963420981969266157
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 829313125753351791
-                                  "lo": 81711740330249823
+                                  "lo": 568251968279999369
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 782370862322868973
-                                  "lo": 117080875580511907
+                                  "lo": 739909365588978929
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 738085708767471162
-                          "lo": 168075351964583257
+                          "lo": 963420981969266157
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13387170611077707626
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 829313125753351791
-                          "lo": 81711740330249823
+                          "lo": 568251968279999369
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13055348116307224325
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.161.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.161.json
index 76902f49..f37db0e1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.161.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.161.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 639532224017696947
-                    "lo": 783232065834690268
+                    "lo": 341469783784034759
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 467156696949321132
-                    "lo": 664994893468531079
+                    "lo": 609137678107238700
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 639532224017696947
-                    "lo": 783232065834690268
+                    "lo": 341469783784034759
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 467156696949321132
-                    "lo": 664994893468531079
+                    "lo": 609137678107238700
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 639532224017696947
-                        "lo": 783232065834690268
+                        "lo": 341469783784034759
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 467156696949321132
-                        "lo": 664994893468531079
+                        "lo": 609137678107238700
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 546591036667050190
-                    "lo": 721696143942086873
+                    "lo": 456072484631541614
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 639532224017696947
-                                  "lo": 783232065834690268
+                                  "lo": 341469783784034759
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 467156696949321132
-                                  "lo": 664994893468531079
+                                  "lo": 609137678107238700
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 546591036667050190
-                                  "lo": 721696143942086873
+                                  "lo": 456072484631541614
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 639532224017696947
-                          "lo": 783232065834690268
+                          "lo": 341469783784034759
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 467156696949321132
-                          "lo": 664994893468531079
+                          "lo": 609137678107238700
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.162.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.162.json
index 6050dfcc..e5c07b63 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.162.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.162.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 172982960239340887
-                    "lo": 445426450182441537
+                    "lo": 465902718428272878
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 270067305236351433
-                    "lo": 466233669941693255
+                    "lo": 126790601055405984
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 172982960239340887
-                    "lo": 445426450182441537
+                    "lo": 465902718428272878
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 270067305236351433
-                    "lo": 466233669941693255
+                    "lo": 126790601055405984
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 172982960239340887
-                        "lo": 445426450182441537
+                        "lo": 465902718428272878
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 270067305236351433
-                        "lo": 466233669941693255
+                        "lo": 126790601055405984
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 17892696726661097
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 31251302285032801
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 216141254562024134
-                    "lo": 455711321515782094
+                    "lo": 243047496804365981
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 155090263512679790
-                                  "lo": 445426450182441537
+                                  "lo": 465902718428272878
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 301318607521384234
-                                  "lo": 466233669941693255
+                                  "lo": 126790601055405984
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 216141254562024134
-                                  "lo": 455711321515782094
+                                  "lo": 243047496804365981
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 155090263512679790
-                          "lo": 445426450182441537
+                          "lo": 465902718428272878
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13124404549307557865
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 301318607521384234
-                          "lo": 466233669941693255
+                          "lo": 126790601055405984
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13075260550295863967
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.163.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.163.json
index 05467cec..baa1bc39 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.163.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.163.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 401220776491974233
-                    "lo": 433920510662085247
+                    "lo": 920409790133573512
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 668137366690162459
-                    "lo": 481506690505015812
+                    "lo": 546636451975000379
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 401220776491974233
-                    "lo": 433920510662085247
+                    "lo": 920409790133573512
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 668137366690162459
-                    "lo": 481506690505015812
+                    "lo": 546636451975000379
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 401220776491974233
-                        "lo": 433920510662085247
+                        "lo": 920409790133573512
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 668137366690162459
-                        "lo": 481506690505015812
+                        "lo": 546636451975000379
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 29838599979150474
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 28752396800396953
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 517755340935011410
-                    "lo": 457094770295118444
+                    "lo": 709316249667009486
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 401220776491974233
-                                  "lo": 462672907462482200
+                                  "lo": 920409790133573512
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 668137366690162459
-                                  "lo": 451668090525865338
+                                  "lo": 546636451975000379
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 517755340935011410
-                                  "lo": 457094770295118444
+                                  "lo": 709316249667009486
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 401220776491974233
-                          "lo": 462672907462482200
+                          "lo": 920409790133573512
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13077759455780499815
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 668137366690162459
-                          "lo": 451668090525865338
+                          "lo": 546636451975000379
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13136350452560047242
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.164.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.164.json
index a02b90fe..e2dce8f1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.164.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.164.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 690654919722276230
-                    "lo": 290122991903579405
+                    "lo": 931895657757340692
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 249549374834065203
-                    "lo": 372746798324928685
+                    "lo": 469988552620609759
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 690654919722276230
-                    "lo": 290122991903579405
+                    "lo": 931895657757340692
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 249549374834065203
-                    "lo": 372746798324928685
+                    "lo": 469988552620609759
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 690654919722276230
-                        "lo": 290122991903579405
+                        "lo": 931895657757340692
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 249549374834065203
-                        "lo": 372746798324928685
+                        "lo": 469988552620609759
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 415153590184121523
-                    "lo": 328850142698020476
+                    "lo": 661800794335277040
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 690654919722276230
-                                  "lo": 290122991903579405
+                                  "lo": 931895657757340692
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 249549374834065203
-                                  "lo": 372746798324928685
+                                  "lo": 469988552620609759
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 415153590184121523
-                                  "lo": 328850142698020476
+                                  "lo": 661800794335277040
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 690654919722276230
-                          "lo": 290122991903579405
+                          "lo": 931895657757340692
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 249549374834065203
-                          "lo": 372746798324928685
+                          "lo": 469988552620609759
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.165.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.165.json
index dd6a1a12..4662f4df 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.165.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.165.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 185311544651328881
-                    "lo": 917334265579353332
+                    "lo": 718044207479910246
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 823592754741234953
-                    "lo": 605016075266611676
+                    "lo": 226728840486330179
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 185311544651328881
-                    "lo": 917334265579353332
+                    "lo": 718044207479910246
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 823592754741234953
-                    "lo": 605016075266611676
+                    "lo": 226728840486330179
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 185311544651328881
-                        "lo": 917334265579353332
+                        "lo": 718044207479910246
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 823592754741234953
-                        "lo": 605016075266611676
+                        "lo": 226728840486330179
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 390667691964335997
-                    "lo": 744984548207813488
+                    "lo": 403486468893128981
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 185311544651328881
-                                  "lo": 917334265579353332
+                                  "lo": 718044207479910246
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 823592754741234953
-                                  "lo": 605016075266611676
+                                  "lo": 226728840486330179
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 390667691964335997
-                                  "lo": 744984548207813488
+                                  "lo": 403486468893128981
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 185311544651328881
-                          "lo": 917334265579353332
+                          "lo": 718044207479910246
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 823592754741234953
-                          "lo": 605016075266611676
+                          "lo": 226728840486330179
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.166.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.166.json
index 8cf8ab12..7d6f1620 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.166.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.166.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 178615145914635809
-                    "lo": 923956231833302144
+                    "lo": 462235272021439585
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 761963106694368625
-                    "lo": 948891240029001874
+                    "lo": 515048203064795672
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 178615145914635809
-                    "lo": 923956231833302144
+                    "lo": 462235272021439585
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 761963106694368625
-                    "lo": 948891240029001874
+                    "lo": 515048203064795672
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 178615145914635809
-                        "lo": 923956231833302144
+                        "lo": 462235272021439585
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 761963106694368625
-                        "lo": 948891240029001874
+                        "lo": 515048203064795672
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 368914829579652253
-                    "lo": 936340736354467281
+                    "lo": 487927705964530652
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 178615145914635809
-                                  "lo": 923956231833302144
+                                  "lo": 462235272021439585
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 761963106694368625
-                                  "lo": 948891240029001874
+                                  "lo": 515048203064795672
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 368914829579652253
-                                  "lo": 936340736354467281
+                                  "lo": 487927705964530652
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 178615145914635809
-                          "lo": 923956231833302144
+                          "lo": 462235272021439585
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 761963106694368625
-                          "lo": 948891240029001874
+                          "lo": 515048203064795672
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.167.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.167.json
index 91dfd06b..bc2b5d6d 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.167.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.167.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 508390557163093503
-                    "lo": 979565848285628251
+                    "lo": 799919181772449963
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 324697103015424024
-                    "lo": 877278543849564325
+                    "lo": 382963069444144645
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 508390557163093503
-                    "lo": 979565848285628251
+                    "lo": 799919181772449963
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 324697103015424024
-                    "lo": 877278543849564325
+                    "lo": 382963069444144645
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 508390557163093503
-                        "lo": 979565848285628251
+                        "lo": 799919181772449963
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 324697103015424024
-                        "lo": 877278543849564325
+                        "lo": 382963069444144645
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 406291694612692996
-                    "lo": 927012459996508999
+                    "lo": 553479453239979016
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 508390557163093503
-                                  "lo": 979565848285628251
+                                  "lo": 799919181772449963
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 324697103015424024
-                                  "lo": 877278543849564325
+                                  "lo": 382963069444144645
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 406291694612692996
-                                  "lo": 927012459996508999
+                                  "lo": 553479453239979016
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 508390557163093503
-                          "lo": 979565848285628251
+                          "lo": 799919181772449963
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 324697103015424024
-                          "lo": 877278543849564325
+                          "lo": 382963069444144645
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.168.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.168.json
index 5f7e2a92..ccd10cc6 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.168.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.168.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 252335505200450103
-                    "lo": 725615373373663290
+                    "lo": 577033060822001446
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 914545364028606738
-                    "lo": 910014517704159800
+                    "lo": 210143058102318809
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 252335505200450103
-                    "lo": 725615373373663290
+                    "lo": 577033060822001446
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 914545364028606738
-                    "lo": 910014517704159800
+                    "lo": 210143058102318809
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 252335505200450103
-                        "lo": 725615373373663290
+                        "lo": 577033060822001446
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 914545364028606738
-                        "lo": 910014517704159800
+                        "lo": 210143058102318809
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 944568561295484
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 345592394461908
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 480387621052924331
-                    "lo": 812601085428365666
+                    "lo": 348223336419713136
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 252335505200450103
-                                  "lo": 725615373373663290
+                                  "lo": 576088492260705962
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 914545364028606738
-                                  "lo": 910014517704159800
+                                  "lo": 210488650496780717
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 480387621052924331
-                                  "lo": 812601085428365666
+                                  "lo": 348223336419713136
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 252335505200450103
-                          "lo": 725615373373663290
+                          "lo": 576088492260705962
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13107456421142192252
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 914545364028606738
-                          "lo": 910014517704159800
+                          "lo": 210488650496780717
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13106166260186434860
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.169.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.169.json
index be17ae3c..7c1ca2f4 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.169.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.169.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 182254004798861654
-                    "lo": 174534172775898287
+                    "lo": 142467961209000566
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 888793369450974904
-                    "lo": 438508273035509427
+                    "lo": 785117293704093966
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 182254004798861654
-                    "lo": 174534172775898287
+                    "lo": 142467961209000566
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 888793369450974904
-                    "lo": 438508273035509427
+                    "lo": 785117293704093966
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 182254004798861654
-                        "lo": 174534172775898287
+                        "lo": 142467961209000566
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 888793369450974904
-                        "lo": 438508273035509427
+                        "lo": 785117293704093966
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 72907731163577760
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 16335266227598683
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 402475031549926583
-                    "lo": 276649017149239809
+                    "lo": 334445900175126026
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 198589271026460337
-                                  "lo": 174534172775898287
+                                  "lo": 142467961209000566
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 815885638287397144
-                                  "lo": 438508273035509427
+                                  "lo": 785117293704093966
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 402475031549926583
-                                  "lo": 276649017149239809
+                                  "lo": 334445900175126026
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 198589271026460337
-                          "lo": 174534172775898287
+                          "lo": 142467961209000566
                         }
                       }
                     },
@@ -994,7 +940,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13090176586353298085
                           "lo": 13106511852580896768
                         }
                       }
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 815885638287397144
-                          "lo": 438508273035509427
+                          "lo": 785117293704093966
                         }
                       }
                     },
@@ -1327,7 +1271,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13179419583744474528
                           "lo": 13106511852580896768
                         }
                       }
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.17.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.17.json
index 08862de3..d8c79134 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.17.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.17.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 493361339277586932
-                    "lo": 381010115588466686
+                    "lo": 644378863246212651
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 574661963584900709
-                    "lo": 50339878413765971
+                    "lo": 444163318257264607
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 493361339277586932
-                    "lo": 381010115588466686
+                    "lo": 644378863246212651
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 574661963584900709
-                    "lo": 50339878413765971
+                    "lo": 444163318257264607
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 493361339277586932
-                        "lo": 381010115588466686
+                        "lo": 644378863246212651
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 574661963584900709
-                        "lo": 50339878413765971
+                        "lo": 444163318257264607
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 133897865832241753
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 27358758400458922
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 532462201462352166
-                    "lo": 138491887463267434
+                    "lo": 534985470937559141
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 493361339277586932
-                                  "lo": 247112249756224933
+                                  "lo": 644378863246212651
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 574661963584900709
-                                  "lo": 77698636814224893
+                                  "lo": 444163318257264607
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 532462201462352166
-                                  "lo": 138491887463267434
+                                  "lo": 534985470937559141
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 493361339277586932
-                          "lo": 247112249756224933
+                          "lo": 644378863246212651
                         }
                       }
                     },
@@ -995,7 +941,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13240409718413138521
                         }
                       }
                     },
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 574661963584900709
-                          "lo": 77698636814224893
+                          "lo": 444163318257264607
                         }
                       }
                     },
@@ -1328,7 +1272,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13079153094180437846
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.170.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.170.json
index 9687836f..421180c8 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.170.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.170.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 439567156214961702
-                    "lo": 259044792525017160
+                    "lo": 573420648569310284
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 987665257755318439
-                    "lo": 867953829741572933
+                    "lo": 278003750903457742
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 439567156214961702
-                    "lo": 259044792525017160
+                    "lo": 573420648569310284
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 987665257755318439
-                    "lo": 867953829741572933
+                    "lo": 278003750903457742
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 439567156214961702
-                        "lo": 259044792525017160
+                        "lo": 573420648569310284
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 987665257755318439
-                        "lo": 867953829741572933
+                        "lo": 278003750903457742
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 4336213624403300
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 1944204211639339
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 658896963601914373
-                    "lo": 474171825129561898
+                    "lo": 399265689920586236
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 441511360426601041
-                                  "lo": 259044792525017160
+                                  "lo": 573420648569310284
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 983329044130915139
-                                  "lo": 867953829741572933
+                                  "lo": 278003750903457742
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 658896963601914373
-                                  "lo": 474171825129561898
+                                  "lo": 399265689920586236
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 441511360426601041
-                          "lo": 259044792525017160
+                          "lo": 573420648569310284
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13104567648369257429
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 983329044130915139
-                          "lo": 867953829741572933
+                          "lo": 278003750903457742
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13110848066205300068
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.171.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.171.json
index d2e45729..41b4f6d0 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.171.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.171.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 151340425813554043
-                    "lo": 909919852055110171
+                    "lo": 403621667128383912
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 656172346830914057
-                    "lo": 365682191426253621
+                    "lo": 906236345880461068
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 151340425813554043
-                    "lo": 909919852055110171
+                    "lo": 403621667128383912
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 656172346830914057
-                    "lo": 365682191426253621
+                    "lo": 906236345880461068
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 151340425813554043
-                        "lo": 909919852055110171
+                        "lo": 403621667128383912
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 656172346830914057
-                        "lo": 365682191426253621
+                        "lo": 906236345880461068
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 315127596976954086
-                    "lo": 576837486231403976
+                    "lo": 604794696352908212
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 151340425813554043
-                                  "lo": 909919852055110171
+                                  "lo": 403621667128383912
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 656172346830914057
-                                  "lo": 365682191426253621
+                                  "lo": 906236345880461068
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 315127596976954086
-                                  "lo": 576837486231403976
+                                  "lo": 604794696352908212
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 151340425813554043
-                          "lo": 909919852055110171
+                          "lo": 403621667128383912
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 656172346830914057
-                          "lo": 365682191426253621
+                          "lo": 906236345880461068
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.172.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.172.json
index b7a30b50..24c7f5d5 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.172.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.172.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 539144356285689299
-                    "lo": 541025570774952145
+                    "lo": 432770354609694848
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 6063322362682468
-                    "lo": 88914122683602604
+                    "lo": 790687558631739085
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 539144356285689299
-                    "lo": 541025570774952145
+                    "lo": 432770354609694848
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 6063322362682468
-                    "lo": 88914122683602604
+                    "lo": 790687558631739085
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 539144356285689299
-                        "lo": 541025570774952145
+                        "lo": 432770354609694848
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 6063322362682468
-                        "lo": 88914122683602604
+                        "lo": 790687558631739085
                       }
                     }
                   ]
@@ -228,69 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 3431862581004832
-                    "lo": 186730140272734554
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 705249939815384899
-                        "lo": 47002879188368960
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -595,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 57175222187421921
-                    "lo": 219328096638005361
+                    "lo": 584966781223114933
                   }
                 }
               }
@@ -645,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -661,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -716,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 1244394296101074198
-                                  "lo": 354295430502217591
+                                  "lo": 432770354609694848
                                 }
                               }
                             },
@@ -728,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 2631459781677636
-                                  "lo": 135917001871971564
+                                  "lo": 790687558631739085
                                 }
                               }
                             },
@@ -756,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 57175222187421921
-                                  "lo": 219328096638005361
+                                  "lo": 584966781223114933
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -807,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -884,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 1244394296101074198
-                          "lo": 354295430502217591
+                          "lo": 432770354609694848
                         }
                       }
                     },
@@ -1031,8 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12401261912765511869
-                          "lo": 13293241992853631322
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1217,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 2631459781677636
-                          "lo": 135917001871971564
+                          "lo": 790687558631739085
                         }
                       }
                     },
@@ -1364,8 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13109943715161901600
-                          "lo": 13059508973392527808
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.173.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.173.json
index 54f0392a..874ccb98 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.173.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.173.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 719258829687577769
-                    "lo": 194724992077736669
+                    "lo": 18781218452961423
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 134135458080732746
-                    "lo": 930387942717779097
+                    "lo": 64639659870178602
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 719258829687577769
-                    "lo": 194724992077736669
+                    "lo": 18781218452961423
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 134135458080732746
-                    "lo": 930387942717779097
+                    "lo": 64639659870178602
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 719258829687577769
-                        "lo": 194724992077736669
+                        "lo": 18781218452961423
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 134135458080732746
-                        "lo": 930387942717779097
+                        "lo": 64639659870178602
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 14678294193126005
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 231945521919722334
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 310609260323569524
-                    "lo": 425640440718385278
+                    "lo": 34842668852241332
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 719258829687577769
-                                  "lo": 194724992077736669
+                                  "lo": 4102924259835418
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 134135458080732746
-                                  "lo": 930387942717779097
+                                  "lo": 296585181789900936
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 310609260323569524
-                                  "lo": 425640440718385278
+                                  "lo": 34842668852241332
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 719258829687577769
-                          "lo": 194724992077736669
+                          "lo": 4102924259835418
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13121190146774022773
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 134135458080732746
-                          "lo": 930387942717779097
+                          "lo": 296585181789900936
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 12874566330661174434
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.174.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.174.json
index 75c581e4..4c885e27 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.174.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.174.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 527602160134771324
-                    "lo": 975909506552964591
+                    "lo": 691094185374036763
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 401756715251867475
-                    "lo": 722222143442076453
+                    "lo": 916167907723477822
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 527602160134771324
-                    "lo": 975909506552964591
+                    "lo": 691094185374036763
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 401756715251867475
-                    "lo": 722222143442076453
+                    "lo": 916167907723477822
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 527602160134771324
-                        "lo": 975909506552964591
+                        "lo": 691094185374036763
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 401756715251867475
-                        "lo": 722222143442076453
+                        "lo": 916167907723477822
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 460399512179949543
-                    "lo": 839537643961354030
+                    "lo": 795712456766885476
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 527602160134771324
-                                  "lo": 975909506552964591
+                                  "lo": 691094185374036763
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 401756715251867475
-                                  "lo": 722222143442076453
+                                  "lo": 916167907723477822
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 460399512179949543
-                                  "lo": 839537643961354030
+                                  "lo": 795712456766885476
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 527602160134771324
-                          "lo": 975909506552964591
+                          "lo": 691094185374036763
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 401756715251867475
-                          "lo": 722222143442076453
+                          "lo": 916167907723477822
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.175.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.175.json
index 7ae4ebe6..6aabee15 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.175.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.175.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 718464688512307500
-                    "lo": 222779073082279738
+                    "lo": 220041347491474825
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 203678089031517445
-                    "lo": 567723519005209267
+                    "lo": 325587267247397638
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 718464688512307500
-                    "lo": 222779073082279738
+                    "lo": 220041347491474825
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 203678089031517445
-                    "lo": 567723519005209267
+                    "lo": 325587267247397638
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 718464688512307500
-                        "lo": 222779073082279738
+                        "lo": 220041347491474825
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 203678089031517445
-                        "lo": 567723519005209267
+                        "lo": 325587267247397638
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 57021908306288976
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 24949035108124544
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 382538252718353927
-                    "lo": 355635936501066417
+                    "lo": 267661467176701218
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 718464688512307500
-                                  "lo": 247728108190404282
+                                  "lo": 220041347491474825
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 203678089031517445
-                                  "lo": 510701610698920291
+                                  "lo": 325587267247397638
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 382538252718353927
-                                  "lo": 355635936501066417
+                                  "lo": 267661467176701218
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 718464688512307500
-                          "lo": 247728108190404282
+                          "lo": 220041347491474825
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13081562817472772224
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 203678089031517445
-                          "lo": 510701610698920291
+                          "lo": 325587267247397638
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13163533760887185744
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.176.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.176.json
index ae21eeef..af40fc7b 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.176.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.176.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 434402931626628908
-                    "lo": 906819701590956513
+                    "lo": 873591933358776118
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 902908141355851553
-                    "lo": 389068212482772979
+                    "lo": 436641670158100512
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 434402931626628908
-                    "lo": 906819701590956513
+                    "lo": 873591933358776118
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 902908141355851553
-                    "lo": 389068212482772979
+                    "lo": 436641670158100512
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 434402931626628908
-                        "lo": 906819701590956513
+                        "lo": 873591933358776118
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 902908141355851553
-                        "lo": 389068212482772979
+                        "lo": 436641670158100512
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 626279445291423061
-                    "lo": 593982087560016454
+                    "lo": 617613666314485017
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 434402931626628908
-                                  "lo": 906819701590956513
+                                  "lo": 873591933358776118
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 902908141355851553
-                                  "lo": 389068212482772979
+                                  "lo": 436641670158100512
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 626279445291423061
-                                  "lo": 593982087560016454
+                                  "lo": 617613666314485017
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 434402931626628908
-                          "lo": 906819701590956513
+                          "lo": 873591933358776118
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 902908141355851553
-                          "lo": 389068212482772979
+                          "lo": 436641670158100512
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.177.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.177.json
index 3f4b0a22..0eb31c6a 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.177.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.177.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 862204748840870966
-                    "lo": 401873230663102558
+                    "lo": 648749209489674065
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 864104266851607404
-                    "lo": 261955562493104618
+                    "lo": 348354291259675153
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 862204748840870966
-                    "lo": 401873230663102558
+                    "lo": 648749209489674065
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 864104266851607404
-                    "lo": 261955562493104618
+                    "lo": 348354291259675153
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 862204748840870966
-                        "lo": 401873230663102558
+                        "lo": 648749209489674065
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 864104266851607404
-                        "lo": 261955562493104618
+                        "lo": 348354291259675153
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 863153985319603969
-                    "lo": 324457898947265898
+                    "lo": 475388863013270359
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 862204748840870966
-                                  "lo": 401873230663102558
+                                  "lo": 648749209489674065
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 864104266851607404
-                                  "lo": 261955562493104618
+                                  "lo": 348354291259675153
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 863153985319603969
-                                  "lo": 324457898947265898
+                                  "lo": 475388863013270359
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 862204748840870966
-                          "lo": 401873230663102558
+                          "lo": 648749209489674065
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 864104266851607404
-                          "lo": 261955562493104618
+                          "lo": 348354291259675153
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.178.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.178.json
index 5375769d..ea95adb7 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.178.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.178.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 993662465813757587
-                    "lo": 411190267101302245
+                    "lo": 448098087143005393
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 426975968346072776
-                    "lo": 190895455064062134
+                    "lo": 144770387363335316
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 993662465813757587
-                    "lo": 411190267101302245
+                    "lo": 448098087143005393
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 426975968346072776
-                    "lo": 190895455064062134
+                    "lo": 144770387363335316
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 993662465813757587
-                        "lo": 411190267101302245
+                        "lo": 448098087143005393
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 426975968346072776
-                        "lo": 190895455064062134
+                        "lo": 144770387363335316
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 651360110499542013
-                    "lo": 280168437116346760
+                    "lo": 254698515214483484
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 993662465813757587
-                                  "lo": 411190267101302245
+                                  "lo": 448098087143005393
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 426975968346072776
-                                  "lo": 190895455064062134
+                                  "lo": 144770387363335316
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 651360110499542013
-                                  "lo": 280168437116346760
+                                  "lo": 254698515214483484
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 993662465813757587
-                          "lo": 411190267101302245
+                          "lo": 448098087143005393
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 426975968346072776
-                          "lo": 190895455064062134
+                          "lo": 144770387363335316
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.179.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.179.json
index 0d1028f8..e2c670ed 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.179.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.179.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 235436880853818353
-                    "lo": 104007868477685813
+                    "lo": 904345540067841427
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 691031912727492390
-                    "lo": 463935302587078499
+                    "lo": 72161383206036821
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 235436880853818353
-                    "lo": 104007868477685813
+                    "lo": 904345540067841427
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 691031912727492390
-                    "lo": 463935302587078499
+                    "lo": 72161383206036821
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 235436880853818353
-                        "lo": 104007868477685813
+                        "lo": 904345540067841427
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 691031912727492390
-                        "lo": 463935302587078499
+                        "lo": 72161383206036821
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 151350498661058529
+                    "lo": 6975117349413549
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 50511123988844834
+                        "lo": 97058741962298051
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 403353936516068760
-                    "lo": 219665477336863817
+                    "lo": 255458069098444865
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 235436880853818353
-                                  "lo": 154518992466530647
+                                  "lo": 1001404282030139478
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 691031912727492390
-                                  "lo": 312584803926019970
+                                  "lo": 65186265856623272
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 403353936516068760
-                                  "lo": 219665477336863817
+                                  "lo": 255458069098444865
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 235436880853818353
-                          "lo": 154518992466530647
+                          "lo": 1001404282030139478
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13056000728592051934
+                          "lo": 13009453110618598717
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 691031912727492390
-                          "lo": 312584803926019970
+                          "lo": 65186265856623272
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13257862351241955297
+                          "lo": 13113486969930310317
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.18.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.18.json
index 85346d29..be5c3e87 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.18.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.18.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 903313724239798429
-                    "lo": 241895524135702605
+                    "lo": 977533770905741010
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 634647778065458457
-                    "lo": 793791412637213173
+                    "lo": 291780880198882722
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 903313724239798429
-                    "lo": 241895524135702605
+                    "lo": 977533770905741010
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 634647778065458457
-                    "lo": 793791412637213173
+                    "lo": 291780880198882722
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 903313724239798429
-                        "lo": 241895524135702605
+                        "lo": 977533770905741010
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 634647778065458457
-                        "lo": 793791412637213173
+                        "lo": 291780880198882722
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 757156554475243471
-                    "lo": 438194693959544043
+                    "lo": 534065224573750061
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 903313724239798429
-                                  "lo": 241895524135702605
+                                  "lo": 977533770905741010
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 634647778065458457
-                                  "lo": 793791412637213173
+                                  "lo": 291780880198882722
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 757156554475243471
-                                  "lo": 438194693959544043
+                                  "lo": 534065224573750061
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 903313724239798429
-                          "lo": 241895524135702605
+                          "lo": 977533770905741010
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 634647778065458457
-                          "lo": 793791412637213173
+                          "lo": 291780880198882722
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.180.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.180.json
index 505a8ded..16cb2f0b 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.180.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.180.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 957333669278168149
-                    "lo": 260249070896497904
+                    "lo": 606350979438103216
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 594165421303288591
-                    "lo": 828127961339594376
+                    "lo": 342547292894333713
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 957333669278168149
-                    "lo": 260249070896497904
+                    "lo": 606350979438103216
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 594165421303288591
-                    "lo": 828127961339594376
+                    "lo": 342547292894333713
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 957333669278168149
-                        "lo": 260249070896497904
+                        "lo": 606350979438103216
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 594165421303288591
-                        "lo": 828127961339594376
+                        "lo": 342547292894333713
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 754197960043970103
-                    "lo": 464240813072310965
+                    "lo": 455745418573077990
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 957333669278168149
-                                  "lo": 260249070896497904
+                                  "lo": 606350979438103216
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 594165421303288591
-                                  "lo": 828127961339594376
+                                  "lo": 342547292894333713
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 754197960043970103
-                                  "lo": 464240813072310965
+                                  "lo": 455745418573077990
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 957333669278168149
-                          "lo": 260249070896497904
+                          "lo": 606350979438103216
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 594165421303288591
-                          "lo": 828127961339594376
+                          "lo": 342547292894333713
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.181.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.181.json
index 448dc1d2..99c7118e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.181.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.181.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 385861862783888630
-                    "lo": 460602140695126234
+                    "lo": 740461365827075813
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 201164597985084411
-                    "lo": 817926379140634954
+                    "lo": 901335821192736708
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 385861862783888630
-                    "lo": 460602140695126234
+                    "lo": 740461365827075813
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 201164597985084411
-                    "lo": 817926379140634954
+                    "lo": 901335821192736708
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 385861862783888630
-                        "lo": 460602140695126234
+                        "lo": 740461365827075813
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 201164597985084411
-                        "lo": 817926379140634954
+                        "lo": 901335821192736708
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 278606795510620595
-                    "lo": 613790388620732561
+                    "lo": 816948194948273821
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 385861862783888630
-                                  "lo": 460602140695126234
+                                  "lo": 740461365827075813
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 201164597985084411
-                                  "lo": 817926379140634954
+                                  "lo": 901335821192736708
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 278606795510620595
-                                  "lo": 613790388620732561
+                                  "lo": 816948194948273821
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 385861862783888630
-                          "lo": 460602140695126234
+                          "lo": 740461365827075813
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 201164597985084411
-                          "lo": 817926379140634954
+                          "lo": 901335821192736708
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.182.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.182.json
index a6eba90f..46e277d1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.182.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.182.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 42535471549856602
-                    "lo": 266238197227785200
+                    "lo": 821913201266339113
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 833864245261277017
-                    "lo": 707449551719825790
+                    "lo": 68091724029441868
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 42535471549856602
-                    "lo": 266238197227785200
+                    "lo": 821913201266339113
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 833864245261277017
-                    "lo": 707449551719825790
+                    "lo": 68091724029441868
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 42535471549856602
-                        "lo": 266238197227785200
+                        "lo": 821913201266339113
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 833864245261277017
-                        "lo": 707449551719825790
+                        "lo": 68091724029441868
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 188331645988542500
-                    "lo": 433993194969104561
+                    "lo": 236570257802587418
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 42535471549856602
-                                  "lo": 266238197227785200
+                                  "lo": 821913201266339113
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 833864245261277017
-                                  "lo": 707449551719825790
+                                  "lo": 68091724029441868
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 188331645988542500
-                                  "lo": 433993194969104561
+                                  "lo": 236570257802587418
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 42535471549856602
-                          "lo": 266238197227785200
+                          "lo": 821913201266339113
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 833864245261277017
-                          "lo": 707449551719825790
+                          "lo": 68091724029441868
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.183.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.183.json
index eba68a5f..fc7e3b3c 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.183.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.183.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 735343729566362637
-                    "lo": 205705386189829676
+                    "lo": 353494296580972891
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 6249766163183271
-                    "lo": 639880341789477515
+                    "lo": 972873658348446688
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 735343729566362637
-                    "lo": 205705386189829676
+                    "lo": 353494296580972891
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 6249766163183271
-                    "lo": 639880341789477515
+                    "lo": 972873658348446688
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 735343729566362637
-                        "lo": 205705386189829676
+                        "lo": 353494296580972891
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 6249766163183271
-                        "lo": 639880341789477515
+                        "lo": 972873658348446688
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 85220433094560402
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 821706302937523
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 67791786813395345
-                    "lo": 362804124594917857
+                    "lo": 586434386372458471
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 650123296471802235
-                                  "lo": 205705386189829676
+                                  "lo": 353494296580972891
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 7071472466120794
-                                  "lo": 639880341789477515
+                                  "lo": 972873658348446688
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 67791786813395345
-                                  "lo": 362804124594917857
+                                  "lo": 586434386372458471
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 650123296471802235
-                          "lo": 205705386189829676
+                          "lo": 353494296580972891
                         }
                       }
                     },
@@ -994,7 +940,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13191732285675457170
                           "lo": 13106511852580896768
                         }
                       }
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 7071472466120794
-                          "lo": 639880341789477515
+                          "lo": 972873658348446688
                         }
                       }
                     },
@@ -1327,7 +1271,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13105690146277959245
                           "lo": 13106511852580896768
                         }
                       }
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.184.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.184.json
index 25f21f03..b4bbbc80 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.184.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.184.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 526425551927471178
-                    "lo": 360725578564159560
+                    "lo": 41602066309299773
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 85963985925935032
-                    "lo": 406551087267490247
+                    "lo": 142198626713809413
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 526425551927471178
-                    "lo": 360725578564159560
+                    "lo": 41602066309299773
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 85963985925935032
-                    "lo": 406551087267490247
+                    "lo": 142198626713809413
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 526425551927471178
-                        "lo": 360725578564159560
+                        "lo": 41602066309299773
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 85963985925935032
-                        "lo": 406551087267490247
+                        "lo": 142198626713809413
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 867408954828469
+                    "lo": 3428570366965337
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 5382122933845383
+                        "lo": 1030948678247468
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 212729026550082520
-                    "lo": 382953490871219951
+                    "lo": 76913956455504649
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 531807674861316561
-                                  "lo": 360725578564159560
+                                  "lo": 42633014987547241
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 85096576971106563
-                                  "lo": 406551087267490247
+                                  "lo": 138770056346844076
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 212729026550082520
-                                  "lo": 382953490871219951
+                                  "lo": 76913956455504649
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 531807674861316561
-                          "lo": 360725578564159560
+                          "lo": 42633014987547241
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13101129729647051385
+                          "lo": 13105480903902649300
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 85096576971106563
-                          "lo": 406551087267490247
+                          "lo": 138770056346844076
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13107379261535725237
+                          "lo": 13109940422947862105
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.185.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.185.json
index 92f180c1..a941894f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.185.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.185.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 409793706579925864
-                    "lo": 908283350975367788
+                    "lo": 172159202920819860
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 362331351541355510
-                    "lo": 55087983289471472
+                    "lo": 469173691562903462
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 409793706579925864
-                    "lo": 908283350975367788
+                    "lo": 172159202920819860
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 362331351541355510
-                    "lo": 55087983289471472
+                    "lo": 469173691562903462
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 409793706579925864
-                        "lo": 908283350975367788
+                        "lo": 172159202920819860
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 362331351541355510
-                        "lo": 55087983289471472
+                        "lo": 469173691562903462
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 25766481605733825
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 1613220824795974
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 385332463670330025
-                    "lo": 223686159743145960
+                    "lo": 284205152611433218
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 409793706579925864
-                                  "lo": 882516869369633963
+                                  "lo": 172159202920819860
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 362331351541355510
-                                  "lo": 56701204114267446
+                                  "lo": 469173691562903462
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 385332463670330025
-                                  "lo": 223686159743145960
+                                  "lo": 284205152611433218
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 409793706579925864
-                          "lo": 882516869369633963
+                          "lo": 172159202920819860
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13132278334186630593
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 362331351541355510
-                          "lo": 56701204114267446
+                          "lo": 469173691562903462
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13104898631756100794
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.186.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.186.json
index 6d86a5ef..4977b2b5 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.186.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.186.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 313959078076008603
-                    "lo": 790427265663609386
+                    "lo": 884879424462914938
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 516387021162067016
-                    "lo": 326578123314825456
+                    "lo": 477871482976098
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 313959078076008603
-                    "lo": 790427265663609386
+                    "lo": 884879424462914938
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 516387021162067016
-                    "lo": 326578123314825456
+                    "lo": 477871482976098
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 313959078076008603
-                        "lo": 790427265663609386
+                        "lo": 884879424462914938
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 516387021162067016
-                        "lo": 326578123314825456
+                        "lo": 477871482976098
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 687564471278523345
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 1670203482192579
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 402646734861291163
-                    "lo": 508071110217153093
+                    "lo": 20563527003486762
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 313959078076008603
-                                  "lo": 790427265663609386
+                                  "lo": 197314953184391593
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 516387021162067016
-                                  "lo": 326578123314825456
+                                  "lo": 2148074965168677
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 402646734861291163
-                                  "lo": 508071110217153093
+                                  "lo": 20563527003486762
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 313959078076008603
-                          "lo": 790427265663609386
+                          "lo": 197314953184391593
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13794076323859420113
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 516387021162067016
-                          "lo": 326578123314825456
+                          "lo": 2148074965168677
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13104841649098704189
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.187.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.187.json
index a45cc91b..17718da4 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.187.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.187.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 93742305145087937
-                    "lo": 897035422981739133
+                    "lo": 128067893320436180
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 301883840433806755
-                    "lo": 512798613533939282
+                    "lo": 260831397950375344
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 93742305145087937
-                    "lo": 897035422981739133
+                    "lo": 128067893320436180
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 301883840433806755
-                    "lo": 512798613533939282
+                    "lo": 260831397950375344
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 93742305145087937
-                        "lo": 897035422981739133
+                        "lo": 128067893320436180
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 301883840433806755
-                        "lo": 512798613533939282
+                        "lo": 260831397950375344
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 168223919489224090
-                    "lo": 678231908122779638
+                    "lo": 182767961216754031
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 93742305145087937
-                                  "lo": 897035422981739133
+                                  "lo": 128067893320436180
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 301883840433806755
-                                  "lo": 512798613533939282
+                                  "lo": 260831397950375344
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 168223919489224090
-                                  "lo": 678231908122779638
+                                  "lo": 182767961216754031
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 93742305145087937
-                          "lo": 897035422981739133
+                          "lo": 128067893320436180
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 301883840433806755
-                          "lo": 512798613533939282
+                          "lo": 260831397950375344
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.188.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.188.json
index bd483ea1..456bb4ec 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.188.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.188.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 795272708136456763
-                    "lo": 544929348209108737
+                    "lo": 679985218609989228
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 514081621784528672
-                    "lo": 500218953008964228
+                    "lo": 942911367922155072
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 795272708136456763
-                    "lo": 544929348209108737
+                    "lo": 679985218609989228
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 514081621784528672
-                    "lo": 500218953008964228
+                    "lo": 942911367922155072
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 795272708136456763
-                        "lo": 544929348209108737
+                        "lo": 679985218609989228
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 514081621784528672
-                        "lo": 500218953008964228
+                        "lo": 942911367922155072
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 639402129774185084
-                    "lo": 522095765185868624
+                    "lo": 800728288901042012
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 795272708136456763
-                                  "lo": 544929348209108737
+                                  "lo": 679985218609989228
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 514081621784528672
-                                  "lo": 500218953008964228
+                                  "lo": 942911367922155072
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 639402129774185084
-                                  "lo": 522095765185868624
+                                  "lo": 800728288901042012
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 795272708136456763
-                          "lo": 544929348209108737
+                          "lo": 679985218609989228
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 514081621784528672
-                          "lo": 500218953008964228
+                          "lo": 942911367922155072
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.189.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.189.json
index c8fbd530..f2d43187 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.189.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.189.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 931500009676326303
-                    "lo": 597546027299439248
+                    "lo": 729912757088194503
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 62686994550030030
-                    "lo": 503684246279954683
+                    "lo": 365884031292404562
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 931500009676326303
-                    "lo": 597546027299439248
+                    "lo": 729912757088194503
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 62686994550030030
-                    "lo": 503684246279954683
+                    "lo": 365884031292404562
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 931500009676326303
-                        "lo": 597546027299439248
+                        "lo": 729912757088194503
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 62686994550030030
-                        "lo": 503684246279954683
+                        "lo": 365884031292404562
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 241646303571837794
-                    "lo": 548611447545436553
+                    "lo": 516781793463336174
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 931500009676326303
-                                  "lo": 597546027299439248
+                                  "lo": 729912757088194503
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 62686994550030030
-                                  "lo": 503684246279954683
+                                  "lo": 365884031292404562
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 241646303571837794
-                                  "lo": 548611447545436553
+                                  "lo": 516781793463336174
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 931500009676326303
-                          "lo": 597546027299439248
+                          "lo": 729912757088194503
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 62686994550030030
-                          "lo": 503684246279954683
+                          "lo": 365884031292404562
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.19.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.19.json
index 6ea6c265..bcbec590 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.19.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.19.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 503775665204939680
-                    "lo": 319539725619279586
+                    "lo": 957804625921714796
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 858635958416379995
-                    "lo": 672180319817902625
+                    "lo": 494812416383128713
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 503775665204939680
-                    "lo": 319539725619279586
+                    "lo": 957804625921714796
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 858635958416379995
-                    "lo": 672180319817902625
+                    "lo": 494812416383128713
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 503775665204939680
-                        "lo": 319539725619279586
+                        "lo": 957804625921714796
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 858635958416379995
-                        "lo": 672180319817902625
+                        "lo": 494812416383128713
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 657692862299791693
-                    "lo": 463452602712825645
+                    "lo": 688428370547918644
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 503775665204939680
-                                  "lo": 319539725619279586
+                                  "lo": 957804625921714796
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 858635958416379995
-                                  "lo": 672180319817902625
+                                  "lo": 494812416383128713
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 657692862299791693
-                                  "lo": 463452602712825645
+                                  "lo": 688428370547918644
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 503775665204939680
-                          "lo": 319539725619279586
+                          "lo": 957804625921714796
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 858635958416379995
-                          "lo": 672180319817902625
+                          "lo": 494812416383128713
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.190.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.190.json
index 57f930f8..e37d3d6c 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.190.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.190.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 210248996999578769
-                    "lo": 88119605872847163
+                    "lo": 878762186189042471
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 39241688301145729
-                    "lo": 870589529353924076
+                    "lo": 33361534072300994
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 210248996999578769
-                    "lo": 88119605872847163
+                    "lo": 878762186189042471
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 39241688301145729
-                    "lo": 870589529353924076
+                    "lo": 33361534072300994
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 210248996999578769
-                        "lo": 88119605872847163
+                        "lo": 878762186189042471
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 39241688301145729
-                        "lo": 870589529353924076
+                        "lo": 33361534072300994
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 52338567454384193
+                    "lo": 254000933910070932
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 13045584497881637
+                        "lo": 13604170964022956
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 90832403942018366
-                    "lo": 276976544500965452
+                    "lo": 171221653467064294
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 157910429545194576
-                                  "lo": 88119605872847163
+                                  "lo": 624761252278971539
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 52287272799027366
-                                  "lo": 870589529353924076
+                                  "lo": 46965705036323950
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 90832403942018366
-                                  "lo": 276976544500965452
+                                  "lo": 171221653467064294
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 157910429545194576
-                          "lo": 88119605872847163
+                          "lo": 624761252278971539
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13158850420035280961
+                          "lo": 13360512786490967700
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 52287272799027366
-                          "lo": 870589529353924076
+                          "lo": 46965705036323950
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13093466268083015131
+                          "lo": 13092907681616873812
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.191.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.191.json
index 122574b2..a4a59621 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.191.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.191.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 88280635648752449
-                    "lo": 163972800279877129
+                    "lo": 885232976850562222
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 206965036317597002
-                    "lo": 611981524501788241
+                    "lo": 778801162098166326
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 88280635648752449
-                    "lo": 163972800279877129
+                    "lo": 885232976850562222
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 206965036317597002
-                    "lo": 611981524501788241
+                    "lo": 778801162098166326
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 88280635648752449
-                        "lo": 163972800279877129
+                        "lo": 885232976850562222
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 206965036317597002
-                        "lo": 611981524501788241
+                        "lo": 778801162098166326
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": true
+                  "bool": false
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 68532708957551613
+                    "lo": 18230385322086892
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 720407488015708387
+                        "lo": 21282303839630691
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 135170281360898998
-                    "lo": 316778036315819179
+                    "lo": 830313477608810724
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 19747926691200836
-                                  "lo": 163972800279877129
+                                  "lo": 906515280690192913
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 927372524333305389
-                                  "lo": 611981524501788241
+                                  "lo": 760570776776079434
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 135170281360898998
-                                  "lo": 316778036315819179
+                                  "lo": 830313477608810724
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 19747926691200836
-                          "lo": 163972800279877129
+                          "lo": 906515280690192913
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13175044561538448381
+                          "lo": 13085229548741266077
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 927372524333305389
-                          "lo": 611981524501788241
+                          "lo": 760570776776079434
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12386104364565188381
+                          "lo": 13124742237902983660
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.192.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.192.json
index ca0df8c2..325bd042 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.192.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.192.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 209209461975353994
-                    "lo": 22925097489313159
+                    "lo": 892777310487258007
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 748045368921145386
-                    "lo": 360447623285761383
+                    "lo": 600204302233442750
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 209209461975353994
-                    "lo": 22925097489313159
+                    "lo": 892777310487258007
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 748045368921145386
-                    "lo": 360447623285761383
+                    "lo": 600204302233442750
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 209209461975353994
-                        "lo": 22925097489313159
+                        "lo": 892777310487258007
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 748045368921145386
-                        "lo": 360447623285761383
+                        "lo": 600204302233442750
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 65426869900124684
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 5099406213308180
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 395598494897475584
-                    "lo": 90902678198264893
+                    "lo": 732016927871790655
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 209209461975353994
-                                  "lo": 28024503702621339
+                                  "lo": 892777310487258007
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 748045368921145386
-                                  "lo": 295020753385636699
+                                  "lo": 600204302233442750
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 395598494897475584
-                                  "lo": 90902678198264893
+                                  "lo": 732016927871790655
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 209209461975353994
-                          "lo": 28024503702621339
+                          "lo": 892777310487258007
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13101412446367588588
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 748045368921145386
-                          "lo": 295020753385636699
+                          "lo": 600204302233442750
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13171938722481021452
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.193.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.193.json
index d763f1fe..d2da6562 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.193.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.193.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 207259697464264193
-                    "lo": 506478580291433646
+                    "lo": 734387499066425061
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 515029500997020822
-                    "lo": 882178287974097463
+                    "lo": 868324343460490385
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 207259697464264193
-                    "lo": 506478580291433646
+                    "lo": 734387499066425061
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 515029500997020822
-                    "lo": 882178287974097463
+                    "lo": 868324343460490385
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 207259697464264193
-                        "lo": 506478580291433646
+                        "lo": 734387499066425061
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 515029500997020822
-                        "lo": 882178287974097463
+                        "lo": 868324343460490385
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 326718316844668947
-                    "lo": 668434295093428307
+                    "lo": 798552780329794504
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 207259697464264193
-                                  "lo": 506478580291433646
+                                  "lo": 734387499066425061
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 515029500997020822
-                                  "lo": 882178287974097463
+                                  "lo": 868324343460490385
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 326718316844668947
-                                  "lo": 668434295093428307
+                                  "lo": 798552780329794504
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 207259697464264193
-                          "lo": 506478580291433646
+                          "lo": 734387499066425061
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 515029500997020822
-                          "lo": 882178287974097463
+                          "lo": 868324343460490385
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.194.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.194.json
index 29cefba8..b469aecf 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.194.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.194.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 67119494323612274
-                    "lo": 929907756982742819
+                    "lo": 776062039876536363
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 717672927787023821
-                    "lo": 758973917977015642
+                    "lo": 950657613976525610
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 67119494323612274
-                    "lo": 929907756982742819
+                    "lo": 776062039876536363
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 717672927787023821
-                    "lo": 758973917977015642
+                    "lo": 950657613976525610
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 67119494323612274
-                        "lo": 929907756982742819
+                        "lo": 776062039876536363
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 717672927787023821
-                        "lo": 758973917977015642
+                        "lo": 950657613976525610
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 9680894464315067
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 121322973681282704
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 219476294853934844
-                    "lo": 840104596865420587
+                    "lo": 858934972583363455
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 57438599859297207
-                                  "lo": 929907756982742819
+                                  "lo": 776062039876536363
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 838995901468306525
-                                  "lo": 758973917977015642
+                                  "lo": 950657613976525610
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 219476294853934844
-                                  "lo": 840104596865420587
+                                  "lo": 858934972583363455
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 57438599859297207
-                          "lo": 929907756982742819
+                          "lo": 776062039876536363
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13116192747045211835
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 838995901468306525
-                          "lo": 758973917977015642
+                          "lo": 950657613976525610
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12985188878899614064
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.195.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.195.json
index d5169684..2781b0d4 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.195.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.195.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 13525919519244461
-                    "lo": 278314740249977491
+                    "lo": 514551444089066435
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 591048269075866346
-                    "lo": 290072641113740205
+                    "lo": 276713547820741487
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 13525919519244461
-                    "lo": 278314740249977491
+                    "lo": 514551444089066435
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 591048269075866346
-                    "lo": 290072641113740205
+                    "lo": 276713547820741487
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 13525919519244461
-                        "lo": 278314740249977491
+                        "lo": 514551444089066435
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 591048269075866346
-                        "lo": 290072641113740205
+                        "lo": 276713547820741487
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 254067774747634257
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 10228606266749817
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 89411807494921569
-                    "lo": 284132876952308260
+                    "lo": 377337190891875213
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 23754525785994278
-                                  "lo": 278314740249977491
+                                  "lo": 514551444089066435
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 336980494328232089
-                                  "lo": 290072641113740205
+                                  "lo": 276713547820741487
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 89411807494921569
-                                  "lo": 284132876952308260
+                                  "lo": 377337190891875213
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 23754525785994278
-                          "lo": 278314740249977491
+                          "lo": 514551444089066435
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13096283246314146951
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 336980494328232089
-                          "lo": 290072641113740205
+                          "lo": 276713547820741487
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13360579627328531025
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.196.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.196.json
index 70aa1973..e98961b5 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.196.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.196.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 181225315030583781
-                    "lo": 323141943239358761
+                    "lo": 901640572932863195
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 948038434473944358
-                    "lo": 489891905911397010
+                    "lo": 664679151038267490
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 181225315030583781
-                    "lo": 323141943239358761
+                    "lo": 901640572932863195
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 948038434473944358
-                    "lo": 489891905911397010
+                    "lo": 664679151038267490
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 181225315030583781
-                        "lo": 323141943239358761
+                        "lo": 901640572932863195
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 948038434473944358
-                        "lo": 489891905911397010
+                        "lo": 664679151038267490
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 1987959757503380
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 1473159060175579
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 414497966157425222
-                    "lo": 397875134248726248
+                    "lo": 774145781205757530
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 181225315030583781
-                                  "lo": 323141943239358761
+                                  "lo": 899652613175359815
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 948038434473944358
-                                  "lo": 489891905911397010
+                                  "lo": 666152310098443069
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 414497966157425222
-                                  "lo": 397875134248726248
+                                  "lo": 774145781205757530
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 181225315030583781
-                          "lo": 323141943239358761
+                          "lo": 899652613175359815
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13108499812338400148
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 948038434473944358
-                          "lo": 489891905911397010
+                          "lo": 666152310098443069
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13105038693520721189
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.197.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.197.json
index 748b3fd9..cf71bd7e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.197.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.197.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 333836393197795107
-                    "lo": 598636940481697146
+                    "lo": 321058810674817996
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 904937422309297064
-                    "lo": 473967569930110912
+                    "lo": 598180908605975934
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 333836393197795107
-                    "lo": 598636940481697146
+                    "lo": 321058810674817996
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 904937422309297064
-                    "lo": 473967569930110912
+                    "lo": 598180908605975934
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 333836393197795107
-                        "lo": 598636940481697146
+                        "lo": 321058810674817996
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 904937422309297064
-                        "lo": 473967569930110912
+                        "lo": 598180908605975934
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10914965109750404
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 4088014663872914
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 549637194095746814
-                    "lo": 532667340795835197
+                    "lo": 438236524134418346
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 337924407861668021
-                                  "lo": 598636940481697146
+                                  "lo": 321058810674817996
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 894022457199546660
-                                  "lo": 473967569930110912
+                                  "lo": 598180908605975934
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 549637194095746814
-                                  "lo": 532667340795835197
+                                  "lo": 438236524134418346
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 337924407861668021
-                          "lo": 598636940481697146
+                          "lo": 321058810674817996
                         }
                       }
                     },
@@ -994,7 +940,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13102423837917023854
                           "lo": 13106511852580896768
                         }
                       }
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 894022457199546660
-                          "lo": 473967569930110912
+                          "lo": 598180908605975934
                         }
                       }
                     },
@@ -1327,7 +1271,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13117426817690647172
                           "lo": 13106511852580896768
                         }
                       }
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.198.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.198.json
index 3cbac3d8..3b1428e1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.198.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.198.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 234452657971828272
-                    "lo": 29230747022058199
+                    "lo": 202052919240576801
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 940995499721247690
-                    "lo": 259820494658659198
+                    "lo": 781412909856860898
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 234452657971828272
-                    "lo": 29230747022058199
+                    "lo": 202052919240576801
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 940995499721247690
-                    "lo": 259820494658659198
+                    "lo": 781412909856860898
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 234452657971828272
-                        "lo": 29230747022058199
+                        "lo": 202052919240576801
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 940995499721247690
-                        "lo": 259820494658659198
+                        "lo": 781412909856860898
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 136793781149527319
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 32599556188698702
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 469700858046028388
-                    "lo": 87147846505311251
+                    "lo": 397349669144007762
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 234452657971828272
-                                  "lo": 61830303210756901
+                                  "lo": 202052919240576801
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 940995499721247690
-                                  "lo": 123026713509131879
+                                  "lo": 781412909856860898
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 469700858046028388
-                                  "lo": 87147846505311251
+                                  "lo": 397349669144007762
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 234452657971828272
-                          "lo": 61830303210756901
+                          "lo": 202052919240576801
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13073912296392198066
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 940995499721247690
-                          "lo": 123026713509131879
+                          "lo": 781412909856860898
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13243305633730424087
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.199.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.199.json
index 556e9bbe..d9b79d86 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.199.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.199.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 487173552038959238
-                    "lo": 625769261530743051
+                    "lo": 263675505611757078
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 57938541492932008
-                    "lo": 512274619490350312
+                    "lo": 367595340367785752
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 487173552038959238
-                    "lo": 625769261530743051
+                    "lo": 263675505611757078
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 57938541492932008
-                    "lo": 512274619490350312
+                    "lo": 367595340367785752
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 487173552038959238
-                        "lo": 625769261530743051
+                        "lo": 263675505611757078
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 57938541492932008
-                        "lo": 512274619490350312
+                        "lo": 367595340367785752
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 63427267369570522
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 55148918981334041
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 168006324461516360
-                    "lo": 566185226175514849
+                    "lo": 311329226434014455
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 487173552038959238
-                                  "lo": 625769261530743051
+                                  "lo": 318824424593091119
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 57938541492932008
-                                  "lo": 512274619490350312
+                                  "lo": 304168072998215230
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 168006324461516360
-                                  "lo": 566185226175514849
+                                  "lo": 311329226434014455
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 487173552038959238
-                          "lo": 625769261530743051
+                          "lo": 318824424593091119
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13051362933599562727
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 57938541492932008
-                          "lo": 512274619490350312
+                          "lo": 304168072998215230
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13169939119950467290
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.2.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.2.json
index 304a9f52..edf869aa 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.2.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.2.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 895095232926997862
-                    "lo": 745249822510070120
+                    "lo": 154390254636538747
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 432549926182198576
-                    "lo": 270519278673378717
+                    "lo": 639676028548138559
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 895095232926997862
-                    "lo": 745249822510070120
+                    "lo": 154390254636538747
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 432549926182198576
-                    "lo": 270519278673378717
+                    "lo": 639676028548138559
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 895095232926997862
-                        "lo": 745249822510070120
+                        "lo": 154390254636538747
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 432549926182198576
-                        "lo": 270519278673378717
+                        "lo": 639676028548138559
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 622232574628338439
-                    "lo": 449003835637166562
+                    "lo": 314260632170873323
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 895095232926997862
-                                  "lo": 745249822510070120
+                                  "lo": 154390254636538747
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 432549926182198576
-                                  "lo": 270519278673378717
+                                  "lo": 639676028548138559
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 622232574628338439
-                                  "lo": 449003835637166562
+                                  "lo": 314260632170873323
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 895095232926997862
-                          "lo": 745249822510070120
+                          "lo": 154390254636538747
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 432549926182198576
-                          "lo": 270519278673378717
+                          "lo": 639676028548138559
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.20.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.20.json
index 14383b8a..3ab162c7 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.20.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.20.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 751478473385047670
-                    "lo": 36207741160701888
+                    "lo": 856121889631100425
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 859346254998068953
-                    "lo": 474936007811134763
+                    "lo": 375132340984584607
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 751478473385047670
-                    "lo": 36207741160701888
+                    "lo": 856121889631100425
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 859346254998068953
-                    "lo": 474936007811134763
+                    "lo": 375132340984584607
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 751478473385047670
-                        "lo": 36207741160701888
+                        "lo": 856121889631100425
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 859346254998068953
-                        "lo": 474936007811134763
+                        "lo": 375132340984584607
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 37341328764925154
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 3099017360069390
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 803604512067414133
-                    "lo": 131134892529496731
+                    "lo": 566708927603457534
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 751478473385047670
-                                  "lo": 39306758520771278
+                                  "lo": 856121889631100425
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 859346254998068953
-                                  "lo": 437594679046209609
+                                  "lo": 375132340984584607
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 803604512067414133
-                                  "lo": 131134892529496731
+                                  "lo": 566708927603457534
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 751478473385047670
-                          "lo": 39306758520771278
+                          "lo": 856121889631100425
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13103412835220827378
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 859346254998068953
-                          "lo": 437594679046209609
+                          "lo": 375132340984584607
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13143853181345821922
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.200.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.200.json
index 505aacda..c6be5ad7 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.200.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.200.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 70136720307199806
-                    "lo": 101505123796764799
+                    "lo": 620817416517052305
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 938635686614676714
-                    "lo": 834234252843750392
+                    "lo": 231986469555654761
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 70136720307199806
-                    "lo": 101505123796764799
+                    "lo": 620817416517052305
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 938635686614676714
-                    "lo": 834234252843750392
+                    "lo": 231986469555654761
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 70136720307199806
-                        "lo": 101505123796764799
+                        "lo": 620817416517052305
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 938635686614676714
-                        "lo": 834234252843750392
+                        "lo": 231986469555654761
                       }
                     }
                   ]
@@ -228,69 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 13991458026704527
-                    "lo": 37278194976974739
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 234612832385650427
-                        "lo": 4762262234919877
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -595,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 256579088435612829
-                    "lo": 290996651373184138
+                    "lo": 379501305263174813
                   }
                 }
               }
@@ -645,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -661,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -716,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 56145262280495279
-                                  "lo": 106267386031684676
+                                  "lo": 620817416517052305
                                 }
                               }
                             },
@@ -728,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 1173248519000327141
-                                  "lo": 796956057866775653
+                                  "lo": 231986469555654761
                                 }
                               }
                             },
@@ -756,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 256579088435612829
-                                  "lo": 290996651373184138
+                                  "lo": 379501305263174813
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -807,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -884,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 56145262280495279
-                          "lo": 106267386031684676
+                          "lo": 620817416517052305
                         }
                       }
                     },
@@ -1031,8 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13120503310607601295
-                          "lo": 13101749590345976891
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1217,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 1173248519000327141
-                          "lo": 796956057866775653
+                          "lo": 231986469555654761
                         }
                       }
                     },
@@ -1364,8 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12871899020195246341
-                          "lo": 13143790047557871507
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.201.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.201.json
index df7abcf4..d20f4880 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.201.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.201.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 103467336007991689
-                    "lo": 437028582646001263
+                    "lo": 445664620921640628
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 898127125857939384
-                    "lo": 949327314295737516
+                    "lo": 281794852943688861
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 103467336007991689
-                    "lo": 437028582646001263
+                    "lo": 445664620921640628
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 898127125857939384
-                    "lo": 949327314295737516
+                    "lo": 281794852943688861
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 103467336007991689
-                        "lo": 437028582646001263
+                        "lo": 445664620921640628
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 898127125857939384
-                        "lo": 949327314295737516
+                        "lo": 281794852943688861
                       }
                     }
                   ]
@@ -228,69 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 154230422728000296
-                    "lo": 1141321308866445
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 21516197597162997
-                        "lo": 2493185354325938
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -595,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 304839008509467592
-                    "lo": 644114252779583460
+                    "lo": 354381145540812544
                   }
                 }
               }
@@ -645,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -661,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -716,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 124983533605154686
-                                  "lo": 435887261337134818
+                                  "lo": 445664620921640628
                                 }
                               }
                             },
@@ -728,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 743896703129939088
-                                  "lo": 951820499650063454
+                                  "lo": 281794852943688861
                                 }
                               }
                             },
@@ -756,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 304839008509467592
-                                  "lo": 644114252779583460
+                                  "lo": 354381145540812544
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -807,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -884,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 124983533605154686
-                          "lo": 435887261337134818
+                          "lo": 445664620921640628
                         }
                       }
                     },
@@ -1031,8 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13084995654983733771
-                          "lo": 13107653173889763213
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1217,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 743896703129939088
-                          "lo": 951820499650063454
+                          "lo": 281794852943688861
                         }
                       }
                     },
@@ -1364,8 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13260742275308897064
-                          "lo": 13104018667226570830
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.202.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.202.json
index 0ef4f4aa..a4387e65 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.202.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.202.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 570151051747953485
-                    "lo": 54223909022619843
+                    "lo": 927585286802653927
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 947995371323474895
-                    "lo": 498194851037550978
+                    "lo": 659280312331002271
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 570151051747953485
-                    "lo": 54223909022619843
+                    "lo": 927585286802653927
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 947995371323474895
-                    "lo": 498194851037550978
+                    "lo": 659280312331002271
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 570151051747953485
-                        "lo": 54223909022619843
+                        "lo": 927585286802653927
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 947995371323474895
-                        "lo": 498194851037550978
+                        "lo": 659280312331002271
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 310463753281075554
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 89943616994672927
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 735187430532018082
-                    "lo": 164359582252443709
+                    "lo": 782009410171575876
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 570151051747953485
-                                  "lo": 144167526017292770
+                                  "lo": 927585286802653927
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 947995371323474895
-                                  "lo": 187731097756475424
+                                  "lo": 659280312331002271
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 735187430532018082
-                                  "lo": 164359582252443709
+                                  "lo": 782009410171575876
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 570151051747953485
-                          "lo": 144167526017292770
+                          "lo": 927585286802653927
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13016568235586223841
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 947995371323474895
-                          "lo": 187731097756475424
+                          "lo": 659280312331002271
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13416975605861972322
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.203.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.203.json
index c6906905..833c7da1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.203.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.203.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 347354305988160005
-                    "lo": 588669186989454579
+                    "lo": 914705438028894113
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 451372491262807927
-                    "lo": 463678224725095616
+                    "lo": 399211898553960638
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 347354305988160005
-                    "lo": 588669186989454579
+                    "lo": 914705438028894113
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 451372491262807927
-                    "lo": 463678224725095616
+                    "lo": 399211898553960638
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 347354305988160005
-                        "lo": 588669186989454579
+                        "lo": 914705438028894113
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 451372491262807927
-                        "lo": 463678224725095616
+                        "lo": 399211898553960638
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 15706156375674562
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 20701181195154254
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 395962344730833544
-                    "lo": 522449120559730345
+                    "lo": 604285772241202949
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 347354305988160005
-                                  "lo": 609370368184608833
+                                  "lo": 914705438028894113
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 451372491262807927
-                                  "lo": 447972068349421054
+                                  "lo": 399211898553960638
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 395962344730833544
-                                  "lo": 522449120559730345
+                                  "lo": 604285772241202949
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 347354305988160005
-                          "lo": 609370368184608833
+                          "lo": 914705438028894113
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13085810671385742514
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 451372491262807927
-                          "lo": 447972068349421054
+                          "lo": 399211898553960638
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13122218008956571330
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.204.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.204.json
index b12f24ca..c21f5629 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.204.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.204.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 810519850793352495
-                    "lo": 642347272416825696
+                    "lo": 267519294846401336
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 536137545595864188
-                    "lo": 207437701197384428
+                    "lo": 373477407705582188
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 810519850793352495
-                    "lo": 642347272416825696
+                    "lo": 267519294846401336
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 536137545595864188
-                    "lo": 207437701197384428
+                    "lo": 373477407705582188
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 810519850793352495
-                        "lo": 642347272416825696
+                        "lo": 267519294846401336
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 536137545595864188
-                        "lo": 207437701197384428
+                        "lo": 373477407705582188
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 3238718573910348
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 2347206855947403
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 659204159165484984
-                    "lo": 365030192669806952
+                    "lo": 316089248077911191
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 810519850793352495
-                                  "lo": 642347272416825696
+                                  "lo": 269866501702348739
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 536137545595864188
-                                  "lo": 207437701197384428
+                                  "lo": 370238689131671840
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 659204159165484984
-                                  "lo": 365030192669806952
+                                  "lo": 316089248077911191
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 810519850793352495
-                          "lo": 642347272416825696
+                          "lo": 269866501702348739
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13104164645724949365
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 536137545595864188
-                          "lo": 207437701197384428
+                          "lo": 370238689131671840
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13109750571154807116
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.205.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.205.json
index 2d192f2f..3eb26796 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.205.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.205.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 53934536893136531
-                    "lo": 450635221834332894
+                    "lo": 8774642427501362
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 895842854918598703
-                    "lo": 756915080020657864
+                    "lo": 964093774079448099
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 53934536893136531
-                    "lo": 450635221834332894
+                    "lo": 8774642427501362
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 895842854918598703
-                    "lo": 756915080020657864
+                    "lo": 964093774079448099
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 53934536893136531
-                        "lo": 450635221834332894
+                        "lo": 8774642427501362
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 895842854918598703
-                        "lo": 756915080020657864
+                        "lo": 964093774079448099
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 1482356179593624
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 196568073022740352
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 219810985869814792
-                    "lo": 584031330490805938
+                    "lo": 91975964980680893
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 53934536893136531
-                                  "lo": 450635221834332894
+                                  "lo": 7292286247907738
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 895842854918598703
-                                  "lo": 756915080020657864
+                                  "lo": 1160661847102188451
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 219810985869814792
-                                  "lo": 584031330490805938
+                                  "lo": 91975964980680893
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 53934536893136531
-                          "lo": 450635221834332894
+                          "lo": 7292286247907738
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13107994208760490392
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 895842854918598703
-                          "lo": 756915080020657864
+                          "lo": 1160661847102188451
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 12909943779558156416
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.206.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.206.json
index c4ab7227..d031728b 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.206.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.206.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 909584226061396127
-                    "lo": 973954759022509309
+                    "lo": 427108039256108402
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 31855392654077763
-                    "lo": 661610010914156104
+                    "lo": 57843651405667642
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 909584226061396127
-                    "lo": 973954759022509309
+                    "lo": 427108039256108402
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 31855392654077763
-                    "lo": 661610010914156104
+                    "lo": 57843651405667642
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 909584226061396127
-                        "lo": 973954759022509309
+                        "lo": 427108039256108402
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 31855392654077763
-                        "lo": 661610010914156104
+                        "lo": 57843651405667642
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 7510020202033103
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 281431330671258529
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 170220923135615750
-                    "lo": 802731722773416163
+                    "lo": 157179796841987759
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 1191015556732654656
-                                  "lo": 973954759022509309
+                                  "lo": 427108039256108402
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 24345372452044660
-                                  "lo": 661610010914156104
+                                  "lo": 57843651405667642
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 170220923135615750
-                                  "lo": 802731722773416163
+                                  "lo": 157179796841987759
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 1191015556732654656
-                          "lo": 973954759022509309
+                          "lo": 427108039256108402
                         }
                       }
                     },
@@ -994,7 +940,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12825080521909638239
                           "lo": 13106511852580896768
                         }
                       }
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 24345372452044660
-                          "lo": 661610010914156104
+                          "lo": 57843651405667642
                         }
                       }
                     },
@@ -1327,7 +1271,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13114021872782929871
                           "lo": 13106511852580896768
                         }
                       }
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.207.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.207.json
index 8ab2ef20..40522566 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.207.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.207.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 515364798775327112
-                    "lo": 735363604612272012
+                    "lo": 525017347562298945
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 925910063452586101
-                    "lo": 657631603647102593
+                    "lo": 131067755428196173
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 515364798775327112
-                    "lo": 735363604612272012
+                    "lo": 525017347562298945
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 925910063452586101
-                    "lo": 657631603647102593
+                    "lo": 131067755428196173
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 515364798775327112
-                        "lo": 735363604612272012
+                        "lo": 525017347562298945
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 925910063452586101
-                        "lo": 657631603647102593
+                        "lo": 131067755428196173
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 690783217467891582
-                    "lo": 695412357213245335
+                    "lo": 262322025963996519
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 515364798775327112
-                                  "lo": 735363604612272012
+                                  "lo": 525017347562298945
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 925910063452586101
-                                  "lo": 657631603647102593
+                                  "lo": 131067755428196173
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 690783217467891582
-                                  "lo": 695412357213245335
+                                  "lo": 262322025963996519
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 515364798775327112
-                          "lo": 735363604612272012
+                          "lo": 525017347562298945
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 925910063452586101
-                          "lo": 657631603647102593
+                          "lo": 131067755428196173
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.208.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.208.json
index 43ac3ba7..3e1cd7ed 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.208.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.208.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 982561990522617598
-                    "lo": 170189754505987848
+                    "lo": 443128203192900560
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 670985809428936179
-                    "lo": 859569818933456593
+                    "lo": 75672962737354613
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 982561990522617598
-                    "lo": 170189754505987848
+                    "lo": 443128203192900560
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 670985809428936179
-                    "lo": 859569818933456593
+                    "lo": 75672962737354613
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 982561990522617598
-                        "lo": 170189754505987848
+                        "lo": 443128203192900560
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 670985809428936179
-                        "lo": 859569818933456593
+                        "lo": 75672962737354613
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 24803508922167997
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 216715654201805975
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 811963763061459096
-                    "lo": 382478726813716272
+                    "lo": 183119698580156218
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 982561990522617598
-                                  "lo": 170189754505987848
+                                  "lo": 659843857394706535
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 670985809428936179
-                                  "lo": 859569818933456593
+                                  "lo": 50869453815186616
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 811963763061459096
-                                  "lo": 382478726813716272
+                                  "lo": 183119698580156218
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 982561990522617598
-                          "lo": 170189754505987848
+                          "lo": 659843857394706535
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 12889796198379090793
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 670985809428936179
-                          "lo": 859569818933456593
+                          "lo": 50869453815186616
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13131315361503064765
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.209.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.209.json
index 955b3dd8..8f298593 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.209.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.209.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 761701068382087854
-                    "lo": 945250774276952198
+                    "lo": 381314437800666581
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 11345414265621114
-                    "lo": 801286359522171914
+                    "lo": 763149595871991960
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 761701068382087854
-                    "lo": 945250774276952198
+                    "lo": 381314437800666581
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 11345414265621114
-                    "lo": 801286359522171914
+                    "lo": 763149595871991960
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 761701068382087854
-                        "lo": 945250774276952198
+                        "lo": 381314437800666581
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 11345414265621114
-                        "lo": 801286359522171914
+                        "lo": 763149595871991960
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 688022205724533089
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 106263653112973619
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 92961358463401249
-                    "lo": 870296818192444784
+                    "lo": 539444120468222840
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 73678862657554765
-                                  "lo": 945250774276952198
+                                  "lo": 381314437800666581
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 117609067378594733
-                                  "lo": 801286359522171914
+                                  "lo": 763149595871991960
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 92961358463401249
-                                  "lo": 870296818192444784
+                                  "lo": 539444120468222840
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 73678862657554765
-                          "lo": 945250774276952198
+                          "lo": 381314437800666581
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13794534058305429857
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 117609067378594733
-                          "lo": 801286359522171914
+                          "lo": 763149595871991960
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13000248199467923149
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.21.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.21.json
index 97727ac1..567e73c3 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.21.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.21.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 682810949225714160
-                    "lo": 86134761234283278
+                    "lo": 611912719480981909
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 376845119642719895
-                    "lo": 952327726151052047
+                    "lo": 733136409876156502
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 682810949225714160
-                    "lo": 86134761234283278
+                    "lo": 611912719480981909
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 376845119642719895
-                    "lo": 952327726151052047
+                    "lo": 733136409876156502
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 682810949225714160
-                        "lo": 86134761234283278
+                        "lo": 611912719480981909
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 376845119642719895
-                        "lo": 952327726151052047
+                        "lo": 733136409876156502
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 507261248129919137
-                    "lo": 286406217301246411
+                    "lo": 669787648675192224
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 682810949225714160
-                                  "lo": 86134761234283278
+                                  "lo": 611912719480981909
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 376845119642719895
-                                  "lo": 952327726151052047
+                                  "lo": 733136409876156502
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 507261248129919137
-                                  "lo": 286406217301246411
+                                  "lo": 669787648675192224
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 682810949225714160
-                          "lo": 86134761234283278
+                          "lo": 611912719480981909
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 376845119642719895
-                          "lo": 952327726151052047
+                          "lo": 733136409876156502
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.210.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.210.json
index 75e3bbec..4b7ad15b 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.210.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.210.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 766624932951292535
-                    "lo": 521107084162354741
+                    "lo": 469668125172549395
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 877227794755066963
-                    "lo": 925656858528897731
+                    "lo": 404423104231155228
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 766624932951292535
-                    "lo": 521107084162354741
+                    "lo": 469668125172549395
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 877227794755066963
-                    "lo": 925656858528897731
+                    "lo": 404423104231155228
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 766624932951292535
-                        "lo": 521107084162354741
+                        "lo": 469668125172549395
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 877227794755066963
-                        "lo": 925656858528897731
+                        "lo": 404423104231155228
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 820063838574237718
-                    "lo": 694525986902491076
+                    "lo": 435826388761292429
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 766624932951292535
-                                  "lo": 521107084162354741
+                                  "lo": 469668125172549395
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 877227794755066963
-                                  "lo": 925656858528897731
+                                  "lo": 404423104231155228
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 820063838574237718
-                                  "lo": 694525986902491076
+                                  "lo": 435826388761292429
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 766624932951292535
-                          "lo": 521107084162354741
+                          "lo": 469668125172549395
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 877227794755066963
-                          "lo": 925656858528897731
+                          "lo": 404423104231155228
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.211.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.211.json
index ca785553..ba44799e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.211.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.211.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 661418117825960477
-                    "lo": 707062725842211546
+                    "lo": 672767208712869373
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 453034541037585888
-                    "lo": 192424407341908715
+                    "lo": 319521886742861541
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 661418117825960477
-                    "lo": 707062725842211546
+                    "lo": 672767208712869373
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 453034541037585888
-                    "lo": 192424407341908715
+                    "lo": 319521886742861541
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 661418117825960477
-                        "lo": 707062725842211546
+                        "lo": 672767208712869373
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 453034541037585888
-                        "lo": 192424407341908715
+                        "lo": 319521886742861541
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 547398623895994015
-                    "lo": 368857866899625770
+                    "lo": 463641939287921342
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 661418117825960477
-                                  "lo": 707062725842211546
+                                  "lo": 672767208712869373
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 453034541037585888
-                                  "lo": 192424407341908715
+                                  "lo": 319521886742861541
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 547398623895994015
-                                  "lo": 368857866899625770
+                                  "lo": 463641939287921342
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 661418117825960477
-                          "lo": 707062725842211546
+                          "lo": 672767208712869373
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 453034541037585888
-                          "lo": 192424407341908715
+                          "lo": 319521886742861541
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.212.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.212.json
index f10b2072..aa4e55f3 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.212.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.212.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 375726772509304226
-                    "lo": 429804717846223040
+                    "lo": 807443462354448551
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 901764826651507295
-                    "lo": 403966446962740516
+                    "lo": 629589792241283970
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 375726772509304226
-                    "lo": 429804717846223040
+                    "lo": 807443462354448551
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 901764826651507295
-                    "lo": 403966446962740516
+                    "lo": 629589792241283970
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 375726772509304226
-                        "lo": 429804717846223040
+                        "lo": 807443462354448551
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 901764826651507295
-                        "lo": 403966446962740516
+                        "lo": 629589792241283970
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 582080052810765060
-                    "lo": 416685354621640034
+                    "lo": 712992399475843120
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 375726772509304226
-                                  "lo": 429804717846223040
+                                  "lo": 807443462354448551
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 901764826651507295
-                                  "lo": 403966446962740516
+                                  "lo": 629589792241283970
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 582080052810765060
-                                  "lo": 416685354621640034
+                                  "lo": 712992399475843120
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 375726772509304226
-                          "lo": 429804717846223040
+                          "lo": 807443462354448551
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 901764826651507295
-                          "lo": 403966446962740516
+                          "lo": 629589792241283970
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.213.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.213.json
index bc485a00..d9f1e66f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.213.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.213.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 670738641282225227
-                    "lo": 807558773416282934
+                    "lo": 767340287424411487
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 369086025021667182
-                    "lo": 790754977799358122
+                    "lo": 186345754519548138
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 670738641282225227
-                    "lo": 807558773416282934
+                    "lo": 767340287424411487
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 369086025021667182
-                    "lo": 790754977799358122
+                    "lo": 186345754519548138
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 670738641282225227
-                        "lo": 807558773416282934
+                        "lo": 767340287424411487
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 369086025021667182
-                        "lo": 790754977799358122
+                        "lo": 186345754519548138
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 7496039598879677
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 32257927536197159
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 497554277380157217
-                    "lo": 799112707910761288
+                    "lo": 378140985392153562
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 670738641282225227
-                                  "lo": 807558773416282934
+                                  "lo": 799598214960608646
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 369086025021667182
-                                  "lo": 790754977799358122
+                                  "lo": 178849714920668461
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 497554277380157217
-                                  "lo": 799112707910761288
+                                  "lo": 378140985392153562
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 670738641282225227
-                          "lo": 807558773416282934
+                          "lo": 799598214960608646
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13074253925044699609
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 369086025021667182
-                          "lo": 790754977799358122
+                          "lo": 178849714920668461
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13114007892179776445
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.214.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.214.json
index 1e378371..41224083 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.214.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.214.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 127960704481600978
-                    "lo": 721415172662952946
+                    "lo": 35670702261087853
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 304993615552320064
-                    "lo": 907431353772683103
+                    "lo": 207473363357551517
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 127960704481600978
-                    "lo": 721415172662952946
+                    "lo": 35670702261087853
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 304993615552320064
-                    "lo": 907431353772683103
+                    "lo": 207473363357551517
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 127960704481600978
-                        "lo": 721415172662952946
+                        "lo": 35670702261087853
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 304993615552320064
-                        "lo": 907431353772683103
+                        "lo": 207473363357551517
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": false
+                  "bool": true
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 130466353620404474
+                    "lo": 30178973437457547
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 95943755364216104
+                        "lo": 1143569510506901647
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 197553025561405785
-                    "lo": 809095017140568799
+                    "lo": 86027440804860135
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 223904459845817082
-                                  "lo": 721415172662952946
+                                  "lo": 5491728823630306
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 174527261931915590
-                                  "lo": 907431353772683103
+                                  "lo": 1351042873864453164
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 197553025561405785
-                                  "lo": 809095017140568799
+                                  "lo": 86027440804860135
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 223904459845817082
-                          "lo": 721415172662952946
+                          "lo": 5491728823630306
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13010568097216680664
+                          "lo": 13136690826018354315
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 174527261931915590
-                          "lo": 907431353772683103
+                          "lo": 1351042873864453164
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13236978206201301242
+                          "lo": 11962942342073995121
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.215.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.215.json
index 7d7a916b..3e6282ad 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.215.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.215.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 969270410542232855
-                    "lo": 401428105091871863
+                    "lo": 629532057409837376
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 69679143941847229
-                    "lo": 968839670422800319
+                    "lo": 321229944332616890
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 969270410542232855
-                    "lo": 401428105091871863
+                    "lo": 629532057409837376
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 69679143941847229
-                    "lo": 968839670422800319
+                    "lo": 321229944332616890
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 969270410542232855
-                        "lo": 401428105091871863
+                        "lo": 629532057409837376
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 69679143941847229
-                        "lo": 968839670422800319
+                        "lo": 321229944332616890
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 259880611925448568
-                    "lo": 623634085851357539
+                    "lo": 449693837802298376
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 969270410542232855
-                                  "lo": 401428105091871863
+                                  "lo": 629532057409837376
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 69679143941847229
-                                  "lo": 968839670422800319
+                                  "lo": 321229944332616890
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 259880611925448568
-                                  "lo": 623634085851357539
+                                  "lo": 449693837802298376
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 969270410542232855
-                          "lo": 401428105091871863
+                          "lo": 629532057409837376
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 69679143941847229
-                          "lo": 968839670422800319
+                          "lo": 321229944332616890
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.216.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.216.json
index 1fd1581e..d91bd777 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.216.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.216.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 336435334059081644
-                    "lo": 887852991415461601
+                    "lo": 675319111732444612
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 51260250947550214
-                    "lo": 162103190158909682
+                    "lo": 104707701157825188
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 336435334059081644
-                    "lo": 887852991415461601
+                    "lo": 675319111732444612
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 51260250947550214
-                    "lo": 162103190158909682
+                    "lo": 104707701157825188
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 336435334059081644
-                        "lo": 887852991415461601
+                        "lo": 675319111732444612
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 51260250947550214
-                        "lo": 162103190158909682
+                        "lo": 104707701157825188
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 330194781918050613
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 2720399956984275811
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 131323111642587165
-                    "lo": 379372906650669213
+                    "lo": 265915610180088465
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 6240552141031031
-                                  "lo": 887852991415461601
+                                  "lo": 675319111732444612
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 2771660207931826025
-                                  "lo": 162103190158909682
+                                  "lo": 104707701157825188
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 131323111642587165
-                                  "lo": 379372906650669213
+                                  "lo": 265915610180088465
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 6240552141031031
-                          "lo": 887852991415461601
+                          "lo": 675319111732444612
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13436706634498947381
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 2771660207931826025
-                          "lo": 162103190158909682
+                          "lo": 104707701157825188
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 10386111895596620957
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.217.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.217.json
index bce80185..67c0c167 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.217.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.217.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 293762123380140535
-                    "lo": 218885417193685185
+                    "lo": 985586884127554178
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 427325726218979267
-                    "lo": 450491630924788159
+                    "lo": 184642919725449989
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 293762123380140535
-                    "lo": 218885417193685185
+                    "lo": 985586884127554178
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 427325726218979267
-                    "lo": 450491630924788159
+                    "lo": 184642919725449989
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 293762123380140535
-                        "lo": 218885417193685185
+                        "lo": 985586884127554178
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 427325726218979267
-                        "lo": 450491630924788159
+                        "lo": 184642919725449989
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 354305112451186544
-                    "lo": 314016000511496080
+                    "lo": 426593061275520943
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 293762123380140535
-                                  "lo": 218885417193685185
+                                  "lo": 985586884127554178
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 427325726218979267
-                                  "lo": 450491630924788159
+                                  "lo": 184642919725449989
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 354305112451186544
-                                  "lo": 314016000511496080
+                                  "lo": 426593061275520943
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 293762123380140535
-                          "lo": 218885417193685185
+                          "lo": 985586884127554178
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 427325726218979267
-                          "lo": 450491630924788159
+                          "lo": 184642919725449989
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.218.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.218.json
index d13eec75..02edc4a8 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.218.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.218.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 420475132055012481
-                    "lo": 181204366456145204
+                    "lo": 71499509121103733
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 794310664911570294
-                    "lo": 398472823223455199
+                    "lo": 93564690173130796
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 420475132055012481
-                    "lo": 181204366456145204
+                    "lo": 71499509121103733
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 794310664911570294
-                    "lo": 398472823223455199
+                    "lo": 93564690173130796
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 420475132055012481
-                        "lo": 181204366456145204
+                        "lo": 71499509121103733
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 794310664911570294
-                        "lo": 398472823223455199
+                        "lo": 93564690173130796
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": false
+                  "bool": true
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 30484393315536617
+                    "lo": 22473289337990599
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 15056252608816009
+                        "lo": 43018479984255120
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 577916846718796810
-                    "lo": 268709909534795055
+                    "lo": 81791377408911571
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 420475132055012481
-                                  "lo": 196260619064961213
+                                  "lo": 49026219783113134
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 794310664911570294
-                                  "lo": 367988429907918582
+                                  "lo": 136583170157385916
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 577916846718796810
-                                  "lo": 268709909534795055
+                                  "lo": 81791377408911571
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 420475132055012481
-                          "lo": 196260619064961213
+                          "lo": 49026219783113134
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13091455599972080759
+                          "lo": 13128985141918887367
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 794310664911570294
-                          "lo": 367988429907918582
+                          "lo": 136583170157385916
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13136996245896433385
+                          "lo": 13063493372596641648
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.219.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.219.json
index 8867e7fb..0ba6642e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.219.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.219.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 833904967982060317
-                    "lo": 571590376103103925
+                    "lo": 268800085541975531
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 683965303576860305
-                    "lo": 908371541418246938
+                    "lo": 448363400499119502
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 833904967982060317
-                    "lo": 571590376103103925
+                    "lo": 268800085541975531
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 683965303576860305
-                    "lo": 908371541418246938
+                    "lo": 448363400499119502
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 833904967982060317
-                        "lo": 571590376103103925
+                        "lo": 268800085541975531
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 683965303576860305
-                        "lo": 908371541418246938
+                        "lo": 448363400499119502
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 755223188587388289
-                    "lo": 720566742918802776
+                    "lo": 347160078937734942
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 833904967982060317
-                                  "lo": 571590376103103925
+                                  "lo": 268800085541975531
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 683965303576860305
-                                  "lo": 908371541418246938
+                                  "lo": 448363400499119502
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 755223188587388289
-                                  "lo": 720566742918802776
+                                  "lo": 347160078937734942
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 833904967982060317
-                          "lo": 571590376103103925
+                          "lo": 268800085541975531
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 683965303576860305
-                          "lo": 908371541418246938
+                          "lo": 448363400499119502
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.22.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.22.json
index eaff596e..9ee4edb4 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.22.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.22.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 355533051989870418
-                    "lo": 899835878992605658
+                    "lo": 643916304070322139
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 67537337168191921
-                    "lo": 566105230147401973
+                    "lo": 204218287267294362
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 355533051989870418
-                    "lo": 899835878992605658
+                    "lo": 643916304070322139
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 67537337168191921
-                    "lo": 566105230147401973
+                    "lo": 204218287267294362
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 355533051989870418
-                        "lo": 899835878992605658
+                        "lo": 643916304070322139
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 67537337168191921
-                        "lo": 566105230147401973
+                        "lo": 204218287267294362
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 139866516617241802
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 43931878364656131
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 154957270260792171
-                    "lo": 713723894354111405
+                    "lo": 362628576867195496
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 215666535372628616
-                                  "lo": 899835878992605658
+                                  "lo": 643916304070322139
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 111469215532848052
-                                  "lo": 566105230147401973
+                                  "lo": 204218287267294362
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 154957270260792171
-                                  "lo": 713723894354111405
+                                  "lo": 362628576867195496
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 215666535372628616
-                          "lo": 899835878992605658
+                          "lo": 643916304070322139
                         }
                       }
                     },
@@ -994,7 +940,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13246378369198138570
                           "lo": 13106511852580896768
                         }
                       }
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 111469215532848052
-                          "lo": 566105230147401973
+                          "lo": 204218287267294362
                         }
                       }
                     },
@@ -1327,7 +1271,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13062579974216240637
                           "lo": 13106511852580896768
                         }
                       }
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.220.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.220.json
index 54641484..b0a7e0e8 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.220.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.220.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 109609857643909654
-                    "lo": 855517866161213173
+                    "lo": 279620981921463042
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 666439674837160320
-                    "lo": 125647754076106197
+                    "lo": 886335060538072620
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 109609857643909654
-                    "lo": 855517866161213173
+                    "lo": 279620981921463042
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 666439674837160320
-                    "lo": 125647754076106197
+                    "lo": 886335060538072620
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 109609857643909654
-                        "lo": 855517866161213173
+                        "lo": 279620981921463042
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 666439674837160320
-                        "lo": 125647754076106197
+                        "lo": 886335060538072620
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 270274597191734949
-                    "lo": 327862621314384126
+                    "lo": 497833184851186125
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 109609857643909654
-                                  "lo": 855517866161213173
+                                  "lo": 279620981921463042
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 666439674837160320
-                                  "lo": 125647754076106197
+                                  "lo": 886335060538072620
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 270274597191734949
-                                  "lo": 327862621314384126
+                                  "lo": 497833184851186125
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 109609857643909654
-                          "lo": 855517866161213173
+                          "lo": 279620981921463042
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 666439674837160320
-                          "lo": 125647754076106197
+                          "lo": 886335060538072620
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.221.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.221.json
index 37c4d52a..0e428180 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.221.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.221.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 261484884417749858
-                    "lo": 875199792252334573
+                    "lo": 807715773548150114
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 531048849796526668
-                    "lo": 847255044834163807
+                    "lo": 405393158085347203
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 261484884417749858
-                    "lo": 875199792252334573
+                    "lo": 807715773548150114
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 531048849796526668
-                    "lo": 847255044834163807
+                    "lo": 405393158085347203
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 261484884417749858
-                        "lo": 875199792252334573
+                        "lo": 807715773548150114
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 531048849796526668
-                        "lo": 847255044834163807
+                        "lo": 405393158085347203
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 372640909065582573
-                    "lo": 861114068648052328
+                    "lo": 572225871727269704
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 261484884417749858
-                                  "lo": 875199792252334573
+                                  "lo": 807715773548150114
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 531048849796526668
-                                  "lo": 847255044834163807
+                                  "lo": 405393158085347203
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 372640909065582573
-                                  "lo": 861114068648052328
+                                  "lo": 572225871727269704
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 261484884417749858
-                          "lo": 875199792252334573
+                          "lo": 807715773548150114
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 531048849796526668
-                          "lo": 847255044834163807
+                          "lo": 405393158085347203
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.222.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.222.json
index 34ca2256..d55c48de 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.222.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.222.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 996585475643502040
-                    "lo": 323913304799332862
+                    "lo": 95484804914328636
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 2915796685085912
-                    "lo": 722722846339447491
+                    "lo": 159496098514149222
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 996585475643502040
-                    "lo": 323913304799332862
+                    "lo": 95484804914328636
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 2915796685085912
-                    "lo": 722722846339447491
+                    "lo": 159496098514149222
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 996585475643502040
-                        "lo": 323913304799332862
+                        "lo": 95484804914328636
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 2915796685085912
-                        "lo": 722722846339447491
+                        "lo": 159496098514149222
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 1259765316239659
+                    "lo": 24081682524976542
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 760397155028360667
+                        "lo": 17031818972277545
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 53905849648123441
-                    "lo": 483838346570206094
+                    "lo": 123407673388732517
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 1756982630671862707
-                                  "lo": 323913304799332862
+                                  "lo": 112516623886606181
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 1656031368846253
-                                  "lo": 722722846339447491
+                                  "lo": 135414415989172680
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 53905849648123441
-                                  "lo": 483838346570206094
+                                  "lo": 123407673388732517
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -847,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 1756982630671862707
-                          "lo": 323913304799332862
+                          "lo": 112516623886606181
                         }
                       }
                     },
@@ -994,8 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12346114697552536101
-                          "lo": 13106511852580896768
+                          "lo": 13089480033608619223
                         }
                       }
                     },
@@ -1180,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 1656031368846253
-                          "lo": 722722846339447491
+                          "lo": 135414415989172680
                         }
                       }
                     },
@@ -1327,8 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13107771617897136427
-                          "lo": 13106511852580896768
+                          "lo": 13130593535105873310
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.223.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.223.json
index 30c05bf7..72a085cb 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.223.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.223.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 941129475135343620
-                    "lo": 321592283793757392
+                    "lo": 819801898798949580
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 679937834922464764
-                    "lo": 95071580778967361
+                    "lo": 521912277513366477
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 941129475135343620
-                    "lo": 321592283793757392
+                    "lo": 819801898798949580
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 679937834922464764
-                    "lo": 95071580778967361
+                    "lo": 521912277513366477
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 941129475135343620
-                        "lo": 321592283793757392
+                        "lo": 819801898798949580
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 679937834922464764
-                        "lo": 95071580778967361
+                        "lo": 521912277513366477
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 24158047831600557
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 109886205176671778
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 799943459067727596
-                    "lo": 174855045070454864
+                    "lo": 654113656876190097
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 941129475135343620
-                                  "lo": 431478488970429170
+                                  "lo": 819801898798949580
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 679937834922464764
-                                  "lo": 70913532947366804
+                                  "lo": 521912277513366477
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 799943459067727596
-                                  "lo": 174855045070454864
+                                  "lo": 654113656876190097
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 941129475135343620
-                          "lo": 431478488970429170
+                          "lo": 819801898798949580
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12996625647404224990
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 679937834922464764
-                          "lo": 70913532947366804
+                          "lo": 521912277513366477
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13130669900412497325
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.224.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.224.json
index 890189eb..90398764 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.224.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.224.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 536033291583112662
-                    "lo": 235654210213902978
+                    "lo": 203313493399855182
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 215983036932745429
-                    "lo": 325516597003271243
+                    "lo": 273291851405572445
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 536033291583112662
-                    "lo": 235654210213902978
+                    "lo": 203313493399855182
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 215983036932745429
-                    "lo": 325516597003271243
+                    "lo": 273291851405572445
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 536033291583112662
-                        "lo": 235654210213902978
+                        "lo": 203313493399855182
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 215983036932745429
-                        "lo": 325516597003271243
+                        "lo": 273291851405572445
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 27900075519508729
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 22157889254100264
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 340255930459964976
-                    "lo": 276964540290491377
+                    "lo": 235720005572248908
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 536033291583112662
-                                  "lo": 257812099468003242
+                                  "lo": 203313493399855182
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 215983036932745429
-                                  "lo": 297616521483762514
+                                  "lo": 273291851405572445
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 340255930459964976
-                                  "lo": 276964540290491377
+                                  "lo": 235720005572248908
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 536033291583112662
-                          "lo": 257812099468003242
+                          "lo": 203313493399855182
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13084353963326796504
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 215983036932745429
-                          "lo": 297616521483762514
+                          "lo": 273291851405572445
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13134411928100405497
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.225.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.225.json
index 51890af0..92581956 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.225.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.225.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 620990888653680105
-                    "lo": 141236427414885494
+                    "lo": 171115240652001859
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 565424028716054072
-                    "lo": 243785647578359231
+                    "lo": 966177761730134591
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 620990888653680105
-                    "lo": 141236427414885494
+                    "lo": 171115240652001859
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 565424028716054072
-                    "lo": 243785647578359231
+                    "lo": 966177761730134591
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 620990888653680105
-                        "lo": 141236427414885494
+                        "lo": 171115240652001859
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 565424028716054072
-                        "lo": 243785647578359231
+                        "lo": 966177761730134591
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 103505481797525854
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 104524631713382233
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 592556469932213596
-                    "lo": 185557036835016820
+                    "lo": 406605140413970286
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 620990888653680105
-                                  "lo": 245761059128267727
+                                  "lo": 171115240652001859
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 565424028716054072
-                                  "lo": 140280165780833377
+                                  "lo": 966177761730134591
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 592556469932213596
-                                  "lo": 185557036835016820
+                                  "lo": 406605140413970286
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 620990888653680105
-                          "lo": 245761059128267727
+                          "lo": 171115240652001859
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13001987220867514535
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 565424028716054072
-                          "lo": 140280165780833377
+                          "lo": 966177761730134591
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13210017334378422622
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.226.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.226.json
index 3a63c3de..42e44b36 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.226.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.226.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 422013378163585606
-                    "lo": 15862655598233438
+                    "lo": 295353980121339120
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 845717915226397661
-                    "lo": 656058590798216487
+                    "lo": 556889588649756126
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 422013378163585606
-                    "lo": 15862655598233438
+                    "lo": 295353980121339120
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 845717915226397661
-                    "lo": 656058590798216487
+                    "lo": 556889588649756126
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 422013378163585606
-                        "lo": 15862655598233438
+                        "lo": 295353980121339120
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 845717915226397661
-                        "lo": 656058590798216487
+                        "lo": 556889588649756126
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 161799799312312045
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 5208399787424789
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 597414658656913932
-                    "lo": 102013878850352852
+                    "lo": 405560792601850000
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 422013378163585606
-                                  "lo": 21071055385658227
+                                  "lo": 295353980121339120
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 845717915226397661
-                                  "lo": 494258791485904442
+                                  "lo": 556889588649756126
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 597414658656913932
-                                  "lo": 102013878850352852
+                                  "lo": 405560792601850000
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 422013378163585606
-                          "lo": 21071055385658227
+                          "lo": 295353980121339120
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13101303452793471979
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 845717915226397661
-                          "lo": 494258791485904442
+                          "lo": 556889588649756126
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13268311651893208813
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.227.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.227.json
index 1ef1b7a4..79e53de1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.227.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.227.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 443536828323967283
-                    "lo": 266904869806566984
+                    "lo": 9574826247237555
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 623963916977060888
-                    "lo": 799181127493018082
+                    "lo": 490164033358038348
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 443536828323967283
-                    "lo": 266904869806566984
+                    "lo": 9574826247237555
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 623963916977060888
-                    "lo": 799181127493018082
+                    "lo": 490164033358038348
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 443536828323967283
-                        "lo": 266904869806566984
+                        "lo": 9574826247237555
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 623963916977060888
-                        "lo": 799181127493018082
+                        "lo": 490164033358038348
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 252245921354584892
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 10181983553314769
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 526071265822991733
-                    "lo": 461849905039926798
+                    "lo": 68507192703017469
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 443536828323967283
-                                  "lo": 266904869806566984
+                                  "lo": 19756809800552324
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 623963916977060888
-                                  "lo": 799181127493018082
+                                  "lo": 237918112003453456
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 526071265822991733
-                                  "lo": 461849905039926798
+                                  "lo": 68507192703017469
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 443536828323967283
-                          "lo": 266904869806566984
+                          "lo": 19756809800552324
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13096329869027581999
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 623963916977060888
-                          "lo": 799181127493018082
+                          "lo": 237918112003453456
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13358757773935481660
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.228.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.228.json
index 43183795..1eaf04b0 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.228.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.228.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 51108893379304112
-                    "lo": 182246703850666487
+                    "lo": 922874044072973699
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 672768744354125015
-                    "lo": 995732865290450575
+                    "lo": 932436827243683840
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 51108893379304112
-                    "lo": 182246703850666487
+                    "lo": 922874044072973699
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 672768744354125015
-                    "lo": 995732865290450575
+                    "lo": 932436827243683840
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 51108893379304112
-                        "lo": 182246703850666487
+                        "lo": 922874044072973699
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 672768744354125015
-                        "lo": 995732865290450575
+                        "lo": 932436827243683840
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 185430488388838799
-                    "lo": 425991822239540571
+                    "lo": 927643113271990632
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 51108893379304112
-                                  "lo": 182246703850666487
+                                  "lo": 922874044072973699
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 672768744354125015
-                                  "lo": 995732865290450575
+                                  "lo": 932436827243683840
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 185430488388838799
-                                  "lo": 425991822239540571
+                                  "lo": 927643113271990632
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 51108893379304112
-                          "lo": 182246703850666487
+                          "lo": 922874044072973699
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 672768744354125015
-                          "lo": 995732865290450575
+                          "lo": 932436827243683840
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.229.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.229.json
index 82983aaa..f64eee1f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.229.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.229.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 540689156381833455
-                    "lo": 222765950292887618
+                    "lo": 66484272874681568
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 760582033813477000
-                    "lo": 737838789792536655
+                    "lo": 93506730680069035
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 540689156381833455
-                    "lo": 222765950292887618
+                    "lo": 66484272874681568
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 760582033813477000
-                    "lo": 737838789792536655
+                    "lo": 93506730680069035
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 540689156381833455
-                        "lo": 222765950292887618
+                        "lo": 66484272874681568
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 760582033813477000
-                        "lo": 737838789792536655
+                        "lo": 93506730680069035
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 48604101262309315
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 254946438082391071
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 641278767948688603
-                    "lo": 405419978751773623
+                    "lo": 78846223740601987
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 540689156381833455
-                                  "lo": 222765950292887618
+                                  "lo": 17880171612372253
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 760582033813477000
-                                  "lo": 737838789792536655
+                                  "lo": 348453168762460106
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 641278767948688603
-                                  "lo": 405419978751773623
+                                  "lo": 78846223740601987
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 540689156381833455
-                          "lo": 222765950292887618
+                          "lo": 17880171612372253
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13155115953843206083
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 760582033813477000
-                          "lo": 737838789792536655
+                          "lo": 348453168762460106
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 12851565414498505697
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.23.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.23.json
index f95d239d..e0c57db9 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.23.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.23.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 11731660741853363
-                    "lo": 864102187520971404
+                    "lo": 899821482208737473
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 258408832758853624
-                    "lo": 800438370222707960
+                    "lo": 988316658083271131
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 11731660741853363
-                    "lo": 864102187520971404
+                    "lo": 899821482208737473
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 258408832758853624
-                    "lo": 800438370222707960
+                    "lo": 988316658083271131
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 11731660741853363
-                        "lo": 864102187520971404
+                        "lo": 899821482208737473
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 258408832758853624
-                        "lo": 800438370222707960
+                        "lo": 988316658083271131
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 9551956402518568
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 1135813271189563367
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 55059647280246849
-                    "lo": 831661317295185448
+                    "lo": 943031579623967327
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 2179704339334795
-                                  "lo": 864102187520971404
+                                  "lo": 899821482208737473
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 1394222103948416991
-                                  "lo": 800438370222707960
+                                  "lo": 988316658083271131
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 55059647280246849
-                                  "lo": 831661317295185448
+                                  "lo": 943031579623967327
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 2179704339334795
-                          "lo": 864102187520971404
+                          "lo": 899821482208737473
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13116063808983415336
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 1394222103948416991
-                          "lo": 800438370222707960
+                          "lo": 988316658083271131
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 11970698581391333401
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.230.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.230.json
index e0cdf447..9cb96ff1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.230.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.230.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 682980021578530634
-                    "lo": 123644936834946761
+                    "lo": 359401378982233016
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 787740196506703003
-                    "lo": 776357469105349071
+                    "lo": 523720593112957379
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 682980021578530634
-                    "lo": 123644936834946761
+                    "lo": 359401378982233016
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 787740196506703003
-                    "lo": 776357469105349071
+                    "lo": 523720593112957379
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 682980021578530634
-                        "lo": 123644936834946761
+                        "lo": 359401378982233016
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 787740196506703003
-                        "lo": 776357469105349071
+                        "lo": 523720593112957379
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 733492206099304083
-                    "lo": 309826839103506359
+                    "lo": 433850093196013788
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 682980021578530634
-                                  "lo": 123644936834946761
+                                  "lo": 359401378982233016
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 787740196506703003
-                                  "lo": 776357469105349071
+                                  "lo": 523720593112957379
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 733492206099304083
-                                  "lo": 309826839103506359
+                                  "lo": 433850093196013788
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 682980021578530634
-                          "lo": 123644936834946761
+                          "lo": 359401378982233016
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 787740196506703003
-                          "lo": 776357469105349071
+                          "lo": 523720593112957379
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.231.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.231.json
index 890b79ee..5ac2cd80 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.231.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.231.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 281746390494101078
-                    "lo": 729354211656449574
+                    "lo": 424690835049361236
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 67411043693283259
-                    "lo": 978160092825195183
+                    "lo": 214685739496610005
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 281746390494101078
-                    "lo": 729354211656449574
+                    "lo": 424690835049361236
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 67411043693283259
-                    "lo": 978160092825195183
+                    "lo": 214685739496610005
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 281746390494101078
-                        "lo": 729354211656449574
+                        "lo": 424690835049361236
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 67411043693283259
-                        "lo": 978160092825195183
+                        "lo": 214685739496610005
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 23137644281549643
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 147686049368141570
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 137814434077213751
-                    "lo": 844645004351721581
+                    "lo": 301952092193455311
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 429432439862242648
-                                  "lo": 729354211656449574
+                                  "lo": 424690835049361236
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 44273399411733616
-                                  "lo": 978160092825195183
+                                  "lo": 214685739496610005
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 137814434077213751
-                                  "lo": 844645004351721581
+                                  "lo": 301952092193455311
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 429432439862242648
-                          "lo": 729354211656449574
+                          "lo": 424690835049361236
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12958825803212755198
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 44273399411733616
-                          "lo": 978160092825195183
+                          "lo": 214685739496610005
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13129649496862446411
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.232.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.232.json
index 391c3a0e..a2c467f6 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.232.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.232.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 479477680533041827
-                    "lo": 986652469023525206
+                    "lo": 344215189448915850
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 317125788776575172
-                    "lo": 291946381260302941
+                    "lo": 7000214886573867
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 479477680533041827
-                    "lo": 986652469023525206
+                    "lo": 344215189448915850
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 317125788776575172
-                    "lo": 291946381260302941
+                    "lo": 7000214886573867
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 479477680533041827
-                        "lo": 986652469023525206
+                        "lo": 344215189448915850
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 317125788776575172
-                        "lo": 291946381260302941
+                        "lo": 7000214886573867
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 152603697296593584
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 5591904122267240
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 389941967015354236
-                    "lo": 536702541351316248
+                    "lo": 49087475931902880
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 479477680533041827
-                                  "lo": 986652469023525206
+                                  "lo": 191611492152322266
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 317125788776575172
-                                  "lo": 291946381260302941
+                                  "lo": 12592119008841107
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 389941967015354236
-                                  "lo": 536702541351316248
+                                  "lo": 49087475931902880
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 479477680533041827
-                          "lo": 986652469023525206
+                          "lo": 191611492152322266
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13259115549877490352
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 317125788776575172
-                          "lo": 291946381260302941
+                          "lo": 12592119008841107
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13100919948458629528
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.233.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.233.json
index 3951c369..eca3b899 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.233.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.233.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 650647341128002513
-                    "lo": 983667149491807659
+                    "lo": 676370507012411661
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 576056121048032054
-                    "lo": 83133507353466140
+                    "lo": 83919443558709144
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 650647341128002513
-                    "lo": 983667149491807659
+                    "lo": 676370507012411661
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 576056121048032054
-                    "lo": 83133507353466140
+                    "lo": 83919443558709144
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 650647341128002513
-                        "lo": 983667149491807659
+                        "lo": 676370507012411661
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 576056121048032054
-                        "lo": 83133507353466140
+                        "lo": 83919443558709144
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 9185818542718171
+                    "lo": 12547720043167621
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 122559298580324996
+                        "lo": 119269154273705125
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 612216778192506596
-                    "lo": 285964508646860351
+                    "lo": 238244908839629913
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 650647341128002513
-                                  "lo": 1106226448072132655
+                                  "lo": 795639661286116786
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 576056121048032054
-                                  "lo": 73947688810747969
+                                  "lo": 71371723515541523
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 612216778192506596
-                                  "lo": 285964508646860351
+                                  "lo": 238244908839629913
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 650647341128002513
-                          "lo": 1106226448072132655
+                          "lo": 795639661286116786
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12983952554000571772
+                          "lo": 12987242698307191643
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 576056121048032054
-                          "lo": 73947688810747969
+                          "lo": 71371723515541523
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13115697671123614939
+                          "lo": 13119059572624064389
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.234.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.234.json
index 657973b4..d3e412e3 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.234.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.234.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 286414571643084560
-                    "lo": 145239039761778259
+                    "lo": 350138014047846894
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 257066192286673018
-                    "lo": 202564160190794915
+                    "lo": 81814056487646754
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 286414571643084560
-                    "lo": 145239039761778259
+                    "lo": 350138014047846894
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 257066192286673018
-                    "lo": 202564160190794915
+                    "lo": 81814056487646754
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 286414571643084560
-                        "lo": 145239039761778259
+                        "lo": 350138014047846894
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 257066192286673018
-                        "lo": 202564160190794915
+                        "lo": 81814056487646754
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": false
+                  "bool": true
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 21345621791645026
+                    "lo": 189424167765813828
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 17159095743506270
+                        "lo": 96719682203697720
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 271343883932743655
-                    "lo": 171523246576847662
+                    "lo": 169251916561624195
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 286414571643084560
-                                  "lo": 162398135505284529
+                                  "lo": 160713846282033066
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 257066192286673018
-                                  "lo": 181218538399149889
+                                  "lo": 178533738691344474
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 271343883932743655
-                                  "lo": 171523246576847662
+                                  "lo": 169251916561624195
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 286414571643084560
-                          "lo": 162398135505284529
+                          "lo": 160713846282033066
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13089352756837390498
+                          "lo": 13295936020346710596
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 257066192286673018
-                          "lo": 181218538399149889
+                          "lo": 178533738691344474
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13127857474372541794
+                          "lo": 13009792170377199048
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.235.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.235.json
index 3ae700d0..0af1ed69 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.235.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.235.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 903566712651845333
-                    "lo": 463265545772438540
+                    "lo": 414199757432388650
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 449580304428633646
-                    "lo": 169436803425828827
+                    "lo": 289120759194487016
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 903566712651845333
-                    "lo": 463265545772438540
+                    "lo": 414199757432388650
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 449580304428633646
-                    "lo": 169436803425828827
+                    "lo": 289120759194487016
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 903566712651845333
-                        "lo": 463265545772438540
+                        "lo": 414199757432388650
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 449580304428633646
-                        "lo": 169436803425828827
+                        "lo": 289120759194487016
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 26956390292432168
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 42717197415439748
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 637358453105939723
-                    "lo": 280168223060724671
+                    "lo": 346054545306118718
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 903566712651845333
-                                  "lo": 463265545772438540
+                                  "lo": 456916954847828398
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 449580304428633646
-                                  "lo": 169436803425828827
+                                  "lo": 262164368902054848
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 637358453105939723
-                                  "lo": 280168223060724671
+                                  "lo": 346054545306118718
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 903566712651845333
-                          "lo": 463265545772438540
+                          "lo": 456916954847828398
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13063794655165457020
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 449580304428633646
-                          "lo": 169436803425828827
+                          "lo": 262164368902054848
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13133468242873328936
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.236.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.236.json
index a8845673..9d278aa8 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.236.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.236.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 958738492554717015
-                    "lo": 529359666167963366
+                    "lo": 666777277611802521
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 500092380981700955
-                    "lo": 715691260842831168
+                    "lo": 568858397694547750
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 958738492554717015
-                    "lo": 529359666167963366
+                    "lo": 666777277611802521
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 500092380981700955
-                    "lo": 715691260842831168
+                    "lo": 568858397694547750
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 958738492554717015
-                        "lo": 529359666167963366
+                        "lo": 666777277611802521
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 500092380981700955
-                        "lo": 715691260842831168
+                        "lo": 568858397694547750
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 692428924497305503
-                    "lo": 615514489609375401
+                    "lo": 615874868590513789
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 958738492554717015
-                                  "lo": 529359666167963366
+                                  "lo": 666777277611802521
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 500092380981700955
-                                  "lo": 715691260842831168
+                                  "lo": 568858397694547750
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 692428924497305503
-                                  "lo": 615514489609375401
+                                  "lo": 615874868590513789
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 958738492554717015
-                          "lo": 529359666167963366
+                          "lo": 666777277611802521
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 500092380981700955
-                          "lo": 715691260842831168
+                          "lo": 568858397694547750
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.237.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.237.json
index 8e3299d4..b8d26470 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.237.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.237.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 430601889373830082
-                    "lo": 194634997038067708
+                    "lo": 327628817781247474
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 872251188355511513
-                    "lo": 851078836836288344
+                    "lo": 667803871639660385
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 430601889373830082
-                    "lo": 194634997038067708
+                    "lo": 327628817781247474
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 872251188355511513
-                    "lo": 851078836836288344
+                    "lo": 667803871639660385
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 430601889373830082
-                        "lo": 194634997038067708
+                        "lo": 327628817781247474
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 872251188355511513
-                        "lo": 851078836836288344
+                        "lo": 667803871639660385
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 612856434831561342
-                    "lo": 407000892980338670
+                    "lo": 467751849782597727
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 430601889373830082
-                                  "lo": 194634997038067708
+                                  "lo": 327628817781247474
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 872251188355511513
-                                  "lo": 851078836836288344
+                                  "lo": 667803871639660385
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 612856434831561342
-                                  "lo": 407000892980338670
+                                  "lo": 467751849782597727
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 430601889373830082
-                          "lo": 194634997038067708
+                          "lo": 327628817781247474
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 872251188355511513
-                          "lo": 851078836836288344
+                          "lo": 667803871639660385
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.238.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.238.json
index e68fb291..a52e4091 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.238.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.238.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 620626057197934471
-                    "lo": 268028296325747863
+                    "lo": 792653264454210629
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 622418344209186355
-                    "lo": 554269145764280250
+                    "lo": 427816534853537224
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 620626057197934471
-                    "lo": 268028296325747863
+                    "lo": 792653264454210629
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 622418344209186355
-                    "lo": 554269145764280250
+                    "lo": 427816534853537224
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 620626057197934471
-                        "lo": 268028296325747863
+                        "lo": 792653264454210629
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 622418344209186355
-                        "lo": 554269145764280250
+                        "lo": 427816534853537224
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 621521554649727458
-                    "lo": 385434579202654886
+                    "lo": 582331669187882018
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 620626057197934471
-                                  "lo": 268028296325747863
+                                  "lo": 792653264454210629
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 622418344209186355
-                                  "lo": 554269145764280250
+                                  "lo": 427816534853537224
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 621521554649727458
-                                  "lo": 385434579202654886
+                                  "lo": 582331669187882018
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 620626057197934471
-                          "lo": 268028296325747863
+                          "lo": 792653264454210629
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 622418344209186355
-                          "lo": 554269145764280250
+                          "lo": 427816534853537224
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.239.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.239.json
index 3b94faf9..12573b8f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.239.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.239.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 284091972232187755
-                    "lo": 558139303836406241
+                    "lo": 407851871578074971
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 245690639225576224
-                    "lo": 295712737355310994
+                    "lo": 518343290951592351
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 284091972232187755
-                    "lo": 558139303836406241
+                    "lo": 407851871578074971
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 245690639225576224
-                    "lo": 295712737355310994
+                    "lo": 518343290951592351
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 284091972232187755
-                        "lo": 558139303836406241
+                        "lo": 407851871578074971
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 245690639225576224
-                        "lo": 295712737355310994
+                        "lo": 518343290951592351
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 264194508377030540
-                    "lo": 406262109189438586
+                    "lo": 459790475471758324
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 284091972232187755
-                                  "lo": 558139303836406241
+                                  "lo": 407851871578074971
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 245690639225576224
-                                  "lo": 295712737355310994
+                                  "lo": 518343290951592351
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 264194508377030540
-                                  "lo": 406262109189438586
+                                  "lo": 459790475471758324
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 284091972232187755
-                          "lo": 558139303836406241
+                          "lo": 407851871578074971
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 245690639225576224
-                          "lo": 295712737355310994
+                          "lo": 518343290951592351
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.24.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.24.json
index 4276c53f..d8584717 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.24.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.24.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 930967306296981835
-                    "lo": 325168639438885006
+                    "lo": 574503739355681151
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 613814456496531423
-                    "lo": 11973693394459727
+                    "lo": 179300790371888824
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 930967306296981835
-                    "lo": 325168639438885006
+                    "lo": 574503739355681151
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 613814456496531423
-                    "lo": 11973693394459727
+                    "lo": 179300790371888824
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 930967306296981835
-                        "lo": 325168639438885006
+                        "lo": 574503739355681151
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 613814456496531423
-                        "lo": 11973693394459727
+                        "lo": 179300790371888824
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 78108428699806111
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 3796890465055644
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 755937293120746756
-                    "lo": 62397672954484721
+                    "lo": 320950112226307285
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 930967306296981835
-                                  "lo": 247060210739078895
+                                  "lo": 574503739355681151
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 613814456496531423
-                                  "lo": 15770583859515371
+                                  "lo": 179300790371888824
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 755937293120746756
-                                  "lo": 62397672954484721
+                                  "lo": 320950112226307285
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 930967306296981835
-                          "lo": 247060210739078895
+                          "lo": 574503739355681151
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13184620281280702879
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 613814456496531423
-                          "lo": 15770583859515371
+                          "lo": 179300790371888824
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13102714962115841124
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.240.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.240.json
index 332b2db6..2a0c409d 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.240.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.240.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 88451322757257232
-                    "lo": 750645057948354029
+                    "lo": 115241989223195517
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 917511436053427276
-                    "lo": 484832606194099855
+                    "lo": 622809669202226008
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 88451322757257232
-                    "lo": 750645057948354029
+                    "lo": 115241989223195517
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 917511436053427276
-                    "lo": 484832606194099855
+                    "lo": 622809669202226008
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 88451322757257232
-                        "lo": 750645057948354029
+                        "lo": 115241989223195517
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 917511436053427276
-                        "lo": 484832606194099855
+                        "lo": 622809669202226008
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 284877342313909330
-                    "lo": 603272077732611120
+                    "lo": 267906373918772030
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 88451322757257232
-                                  "lo": 750645057948354029
+                                  "lo": 115241989223195517
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 917511436053427276
-                                  "lo": 484832606194099855
+                                  "lo": 622809669202226008
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 284877342313909330
-                                  "lo": 603272077732611120
+                                  "lo": 267906373918772030
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 88451322757257232
-                          "lo": 750645057948354029
+                          "lo": 115241989223195517
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 917511436053427276
-                          "lo": 484832606194099855
+                          "lo": 622809669202226008
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.241.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.241.json
index e6390587..d680ba2e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.241.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.241.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 601231342558940597
-                    "lo": 313189241331908465
+                    "lo": 694498867294540311
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 777283085981117351
-                    "lo": 127131754940052003
+                    "lo": 422578320462978662
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 601231342558940597
-                    "lo": 313189241331908465
+                    "lo": 694498867294540311
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 777283085981117351
-                    "lo": 127131754940052003
+                    "lo": 422578320462978662
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 601231342558940597
-                        "lo": 313189241331908465
+                        "lo": 694498867294540311
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 777283085981117351
-                        "lo": 127131754940052003
+                        "lo": 422578320462978662
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 49576979836475941
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 200809012405772816
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 683613160590683511
-                    "lo": 199540216194302528
+                    "lo": 541738096228027834
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 601231342558940597
-                                  "lo": 513998253737681281
+                                  "lo": 694498867294540311
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 777283085981117351
-                                  "lo": 77554775103576062
+                                  "lo": 422578320462978662
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 683613160590683511
-                                  "lo": 199540216194302528
+                                  "lo": 541738096228027834
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 601231342558940597
-                          "lo": 513998253737681281
+                          "lo": 694498867294540311
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12905702840175123952
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 777283085981117351
-                          "lo": 77554775103576062
+                          "lo": 422578320462978662
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13156088832417372709
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.242.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.242.json
index fc1121d5..3331fb1d 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.242.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.242.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 581273716939117236
-                    "lo": 823243803252930501
+                    "lo": 164500664360834444
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 747364582276472881
-                    "lo": 100461493348610907
+                    "lo": 163752445563643204
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 581273716939117236
-                    "lo": 823243803252930501
+                    "lo": 164500664360834444
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 747364582276472881
-                    "lo": 100461493348610907
+                    "lo": 163752445563643204
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 581273716939117236
-                        "lo": 823243803252930501
+                        "lo": 164500664360834444
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 747364582276472881
-                        "lo": 100461493348610907
+                        "lo": 163752445563643204
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 659108025022071849
-                    "lo": 287583556318471421
+                    "lo": 164126128589967916
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 581273716939117236
-                                  "lo": 823243803252930501
+                                  "lo": 164500664360834444
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 747364582276472881
-                                  "lo": 100461493348610907
+                                  "lo": 163752445563643204
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 659108025022071849
-                                  "lo": 287583556318471421
+                                  "lo": 164126128589967916
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 581273716939117236
-                          "lo": 823243803252930501
+                          "lo": 164500664360834444
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 747364582276472881
-                          "lo": 100461493348610907
+                          "lo": 163752445563643204
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.243.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.243.json
index 3bbf9e33..7d5758f0 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.243.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.243.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 865264676414183870
-                    "lo": 478155030848894524
+                    "lo": 857469739452664206
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 977068737272396101
-                    "lo": 545197516650352728
+                    "lo": 794584268431605394
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 865264676414183870
-                    "lo": 478155030848894524
+                    "lo": 857469739452664206
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 977068737272396101
-                    "lo": 545197516650352728
+                    "lo": 794584268431605394
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 865264676414183870
-                        "lo": 478155030848894524
+                        "lo": 857469739452664206
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 977068737272396101
-                        "lo": 545197516650352728
+                        "lo": 794584268431605394
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 919468903656026339
-                    "lo": 510577061169702466
+                    "lo": 825428352811577749
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 865264676414183870
-                                  "lo": 478155030848894524
+                                  "lo": 857469739452664206
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 977068737272396101
-                                  "lo": 545197516650352728
+                                  "lo": 794584268431605394
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 919468903656026339
-                                  "lo": 510577061169702466
+                                  "lo": 825428352811577749
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 865264676414183870
-                          "lo": 478155030848894524
+                          "lo": 857469739452664206
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 977068737272396101
-                          "lo": 545197516650352728
+                          "lo": 794584268431605394
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.244.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.244.json
index 0b36099b..bcb39302 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.244.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.244.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 360282336019804537
-                    "lo": 315297470177432058
+                    "lo": 101278802015291731
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 5932904899490697
-                    "lo": 916751828174970756
+                    "lo": 7945867271399464
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 360282336019804537
-                    "lo": 315297470177432058
+                    "lo": 101278802015291731
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 5932904899490697
-                    "lo": 916751828174970756
+                    "lo": 7945867271399464
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 360282336019804537
-                        "lo": 315297470177432058
+                        "lo": 101278802015291731
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 5932904899490697
-                        "lo": 916751828174970756
+                        "lo": 7945867271399464
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 2871144802193634
+                    "lo": 6618773020956905
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 338868928166123147
+                        "lo": 506639583121433939
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 46233330364271314
-                    "lo": 537633269249684882
+                    "lo": 28368079212732268
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 699151264185927684
-                                  "lo": 315297470177432058
+                                  "lo": 607918385136725670
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 3061760097297063
-                                  "lo": 916751828174970756
+                                  "lo": 1327094250442559
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 46233330364271314
-                                  "lo": 537633269249684882
+                                  "lo": 28368079212732268
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -847,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 699151264185927684
-                          "lo": 315297470177432058
+                          "lo": 607918385136725670
                         }
                       }
                     },
@@ -994,8 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12767642924414773621
-                          "lo": 13106511852580896768
+                          "lo": 12599872269459462829
                         }
                       }
                     },
@@ -1180,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 3061760097297063
-                          "lo": 916751828174970756
+                          "lo": 1327094250442559
                         }
                       }
                     },
@@ -1327,8 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13109382997383090402
-                          "lo": 13106511852580896768
+                          "lo": 13113130625601853673
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.245.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.245.json
index fbf4b9b2..b8c5f6cd 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.245.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.245.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 327348099339912450
-                    "lo": 212645271673967073
+                    "lo": 537329223540373568
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 955336874607833765
-                    "lo": 596838349188076679
+                    "lo": 317670405033696045
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 327348099339912450
-                    "lo": 212645271673967073
+                    "lo": 537329223540373568
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 955336874607833765
-                    "lo": 596838349188076679
+                    "lo": 317670405033696045
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 327348099339912450
-                        "lo": 212645271673967073
+                        "lo": 537329223540373568
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 955336874607833765
-                        "lo": 596838349188076679
+                        "lo": 317670405033696045
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 559220627420168265
-                    "lo": 356251109343592908
+                    "lo": 413150810332633711
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 327348099339912450
-                                  "lo": 212645271673967073
+                                  "lo": 537329223540373568
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 955336874607833765
-                                  "lo": 596838349188076679
+                                  "lo": 317670405033696045
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 559220627420168265
-                                  "lo": 356251109343592908
+                                  "lo": 413150810332633711
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 327348099339912450
-                          "lo": 212645271673967073
+                          "lo": 537329223540373568
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 955336874607833765
-                          "lo": 596838349188076679
+                          "lo": 317670405033696045
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.246.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.246.json
index 0f2c422d..f704b0d4 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.246.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.246.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 220078732307800699
-                    "lo": 815816436108302598
+                    "lo": 431989189953560777
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 473233394557482086
-                    "lo": 64810449107365747
+                    "lo": 652018095855886301
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 220078732307800699
-                    "lo": 815816436108302598
+                    "lo": 431989189953560777
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 473233394557482086
-                    "lo": 64810449107365747
+                    "lo": 652018095855886301
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 220078732307800699
-                        "lo": 815816436108302598
+                        "lo": 431989189953560777
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 473233394557482086
-                        "lo": 64810449107365747
+                        "lo": 652018095855886301
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 322720630824755187
-                    "lo": 229942231034992015
+                    "lo": 530720989846687207
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 220078732307800699
-                                  "lo": 815816436108302598
+                                  "lo": 431989189953560777
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 473233394557482086
-                                  "lo": 64810449107365747
+                                  "lo": 652018095855886301
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 322720630824755187
-                                  "lo": 229942231034992015
+                                  "lo": 530720989846687207
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 220078732307800699
-                          "lo": 815816436108302598
+                          "lo": 431989189953560777
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 473233394557482086
-                          "lo": 64810449107365747
+                          "lo": 652018095855886301
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.247.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.247.json
index 9b2f2f46..520a4a18 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.247.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.247.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 795412847054325698
-                    "lo": 980434001932906841
+                    "lo": 466811268590553774
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 489759824808106149
-                    "lo": 348221301587695322
+                    "lo": 5034516935564959
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 795412847054325698
-                    "lo": 980434001932906841
+                    "lo": 466811268590553774
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 489759824808106149
-                    "lo": 348221301587695322
+                    "lo": 5034516935564959
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 795412847054325698
-                        "lo": 980434001932906841
+                        "lo": 466811268590553774
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 489759824808106149
-                        "lo": 348221301587695322
+                        "lo": 5034516935564959
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 228593882256973468
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 4845669569190392
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 624148425154981453
-                    "lo": 584301295800300113
+                    "lo": 48478544093564792
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 795412847054325698
-                                  "lo": 980434001932906841
+                                  "lo": 238217386333580306
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 489759824808106149
-                                  "lo": 348221301587695322
+                                  "lo": 9880186504755351
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 624148425154981453
-                                  "lo": 584301295800300113
+                                  "lo": 48478544093564792
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 795412847054325698
-                          "lo": 980434001932906841
+                          "lo": 238217386333580306
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13335105734837870236
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 489759824808106149
-                          "lo": 348221301587695322
+                          "lo": 9880186504755351
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13101666183011706376
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.248.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.248.json
index 88270680..5fdb7562 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.248.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.248.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 188290488964636156
-                    "lo": 761207741471769518
+                    "lo": 224087845755452653
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 897623603033339679
-                    "lo": 836800054975870952
+                    "lo": 419405273998480955
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 188290488964636156
-                    "lo": 761207741471769518
+                    "lo": 224087845755452653
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 897623603033339679
-                    "lo": 836800054975870952
+                    "lo": 419405273998480955
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 188290488964636156
-                        "lo": 761207741471769518
+                        "lo": 224087845755452653
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 897623603033339679
-                        "lo": 836800054975870952
+                        "lo": 419405273998480955
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 411113107455048178
-                    "lo": 798109441061584796
+                    "lo": 306567487429432016
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 188290488964636156
-                                  "lo": 761207741471769518
+                                  "lo": 224087845755452653
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 897623603033339679
-                                  "lo": 836800054975870952
+                                  "lo": 419405273998480955
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 411113107455048178
-                                  "lo": 798109441061584796
+                                  "lo": 306567487429432016
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 188290488964636156
-                          "lo": 761207741471769518
+                          "lo": 224087845755452653
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 897623603033339679
-                          "lo": 836800054975870952
+                          "lo": 419405273998480955
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.249.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.249.json
index 76d446d5..38ef8b3f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.249.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.249.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 913852155105282806
-                    "lo": 366492995799544827
+                    "lo": 525449234648395586
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 792807420808982488
-                    "lo": 63645309727362488
+                    "lo": 344063084076692534
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 913852155105282806
-                    "lo": 366492995799544827
+                    "lo": 525449234648395586
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 792807420808982488
-                    "lo": 63645309727362488
+                    "lo": 344063084076692534
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 913852155105282806
-                        "lo": 366492995799544827
+                        "lo": 525449234648395586
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 792807420808982488
-                        "lo": 63645309727362488
+                        "lo": 344063084076692534
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 11251935320840039
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 78944408965021456
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 851180809281876067
-                    "lo": 152727077594547686
+                    "lo": 425191350098828650
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 913852155105282806
-                                  "lo": 445437404764566283
+                                  "lo": 525449234648395586
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 792807420808982488
-                                  "lo": 52393374406522449
+                                  "lo": 344063084076692534
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 851180809281876067
-                                  "lo": 152727077594547686
+                                  "lo": 425191350098828650
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 913852155105282806
-                          "lo": 445437404764566283
+                          "lo": 525449234648395586
                         }
                       }
                     },
@@ -995,7 +941,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13027567443615875312
                         }
                       }
                     },
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 792807420808982488
-                          "lo": 52393374406522449
+                          "lo": 344063084076692534
                         }
                       }
                     },
@@ -1328,7 +1272,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13117763787901736807
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.25.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.25.json
index 347a0763..72c165eb 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.25.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.25.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 642902982598080405
-                    "lo": 738931272455436545
+                    "lo": 168763396827080095
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 674168481153679760
-                    "lo": 635479868362887214
+                    "lo": 81850699927432252
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 642902982598080405
-                    "lo": 738931272455436545
+                    "lo": 168763396827080095
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 674168481153679760
-                    "lo": 635479868362887214
+                    "lo": 81850699927432252
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 642902982598080405
-                        "lo": 738931272455436545
+                        "lo": 168763396827080095
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 674168481153679760
-                        "lo": 635479868362887214
+                        "lo": 81850699927432252
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 73054962197256669
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 1405919805760225394
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 658350155545905887
-                    "lo": 685256118359552892
+                    "lo": 117530430750625197
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 642902982598080405
-                                  "lo": 738931272455436545
+                                  "lo": 1574683202587305489
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 674168481153679760
-                                  "lo": 635479868362887214
+                                  "lo": 8795737730175583
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 658350155545905887
-                                  "lo": 685256118359552892
+                                  "lo": 117530430750625197
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 642902982598080405
-                          "lo": 738931272455436545
+                          "lo": 1574683202587305489
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 11700592046820671374
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 674168481153679760
-                          "lo": 635479868362887214
+                          "lo": 8795737730175583
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13179566814778153437
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.250.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.250.json
index 8c30459a..68d602e7 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.250.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.250.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 950763674125320557
-                    "lo": 240479780806244796
+                    "lo": 35004100230273177
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 35604889880755678
-                    "lo": 75618544029899809
+                    "lo": 357542238674369497
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 950763674125320557
-                    "lo": 240479780806244796
+                    "lo": 35004100230273177
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 35604889880755678
-                    "lo": 75618544029899809
+                    "lo": 357542238674369497
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 950763674125320557
-                        "lo": 240479780806244796
+                        "lo": 35004100230273177
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 35604889880755678
-                        "lo": 75618544029899809
+                        "lo": 357542238674369497
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": false
+                  "bool": true
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 10280432156694205
+                    "lo": 1008788642576591
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 37951434864510630
+                        "lo": 10641757415885071
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 183988684216868932
-                    "lo": 134850772682983456
+                    "lo": 111872446827241087
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 950763674125320557
-                                  "lo": 278431215670755426
+                                  "lo": 33995311587696586
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 35604889880755678
-                                  "lo": 65338111873205604
+                                  "lo": 368183996090254568
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 183988684216868932
-                                  "lo": 134850772682983456
+                                  "lo": 111872446827241087
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 950763674125320557
-                          "lo": 278431215670755426
+                          "lo": 33995311587696586
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13068560417716386138
+                          "lo": 13107520641223473359
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 35604889880755678
-                          "lo": 65338111873205604
+                          "lo": 368183996090254568
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13116792284737590973
+                          "lo": 13095870095165011697
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.251.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.251.json
index a774164c..b6b30de8 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.251.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.251.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 302877327709830009
-                    "lo": 211635445565703223
+                    "lo": 423210602457905178
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 150767622431813135
-                    "lo": 503208790324590193
+                    "lo": 760177054563810888
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 302877327709830009
-                    "lo": 211635445565703223
+                    "lo": 423210602457905178
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 150767622431813135
-                    "lo": 503208790324590193
+                    "lo": 760177054563810888
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 302877327709830009
-                        "lo": 211635445565703223
+                        "lo": 423210602457905178
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 150767622431813135
-                        "lo": 503208790324590193
+                        "lo": 760177054563810888
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 26886227939093848
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 11981797381549474
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 213691587544554932
-                    "lo": 326338499955066862
+                    "lo": 567199250031791088
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 302877327709830009
-                                  "lo": 223617242947252697
+                                  "lo": 423210602457905178
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 150767622431813135
-                                  "lo": 476322562385496345
+                                  "lo": 760177054563810888
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 213691587544554932
-                                  "lo": 326338499955066862
+                                  "lo": 567199250031791088
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 302877327709830009
-                          "lo": 223617242947252697
+                          "lo": 423210602457905178
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13094530055199347294
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 150767622431813135
-                          "lo": 476322562385496345
+                          "lo": 760177054563810888
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13133398080519990616
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.252.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.252.json
index 18961dc4..895081a4 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.252.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.252.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 896053533982505331
-                    "lo": 280385463898550096
+                    "lo": 78628369058862256
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 653056595939182578
-                    "lo": 148550797849632177
+                    "lo": 263098270320496709
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 896053533982505331
-                    "lo": 280385463898550096
+                    "lo": 78628369058862256
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 653056595939182578
-                    "lo": 148550797849632177
+                    "lo": 263098270320496709
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 896053533982505331
-                        "lo": 280385463898550096
+                        "lo": 78628369058862256
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 653056595939182578
-                        "lo": 148550797849632177
+                        "lo": 263098270320496709
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": false
+                  "bool": true
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 11425091404719633
+                    "lo": 22421819693513612
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 23431556658313825
+                        "lo": 105270519602819856
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 764966450690413996
-                    "lo": 204086952957725487
+                    "lo": 143829718408638766
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 896053533982505331
-                                  "lo": 303817020556863921
+                                  "lo": 56206549365348644
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 653056595939182578
-                                  "lo": 137125706444912544
+                                  "lo": 368368789923316565
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 764966450690413996
-                                  "lo": 204086952957725487
+                                  "lo": 143829718408638766
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 896053533982505331
-                          "lo": 303817020556863921
+                          "lo": 56206549365348644
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13083080295922582943
+                          "lo": 13128933672274410380
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 653056595939182578
-                          "lo": 137125706444912544
+                          "lo": 368368789923316565
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13117936943985616401
+                          "lo": 13001241332978076912
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.253.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.253.json
index 535e58c7..bfcc249a 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.253.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.253.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 511907211580703786
-                    "lo": 816289876282133286
+                    "lo": 700193353071875131
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 766958825480577981
-                    "lo": 531241063570820080
+                    "lo": 706111148988256395
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 511907211580703786
-                    "lo": 816289876282133286
+                    "lo": 700193353071875131
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 766958825480577981
-                    "lo": 531241063570820080
+                    "lo": 706111148988256395
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 511907211580703786
-                        "lo": 816289876282133286
+                        "lo": 700193353071875131
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 766958825480577981
-                        "lo": 531241063570820080
+                        "lo": 706111148988256395
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 13596272441562888
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 9266418676886823
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 626587387160780872
-                    "lo": 658518566221343243
+                    "lo": 703146025411167089
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 521173630257590609
-                                  "lo": 816289876282133286
+                                  "lo": 700193353071875131
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 753362553039015093
-                                  "lo": 531241063570820080
+                                  "lo": 706111148988256395
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 626587387160780872
-                                  "lo": 658518566221343243
+                                  "lo": 703146025411167089
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 521173630257590609
-                          "lo": 816289876282133286
+                          "lo": 700193353071875131
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13097245433904009945
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 753362553039015093
-                          "lo": 531241063570820080
+                          "lo": 706111148988256395
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13120108125022459656
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.254.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.254.json
index 118b90db..c50e8b0c 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.254.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.254.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 714845307972746199
-                    "lo": 704698506505999681
+                    "lo": 501756374239969023
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 685087989599505715
-                    "lo": 573501059316260039
+                    "lo": 796611411048551256
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 714845307972746199
-                    "lo": 704698506505999681
+                    "lo": 501756374239969023
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 685087989599505715
-                    "lo": 573501059316260039
+                    "lo": 796611411048551256
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 714845307972746199
-                        "lo": 704698506505999681
+                        "lo": 501756374239969023
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 685087989599505715
-                        "lo": 573501059316260039
+                        "lo": 796611411048551256
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 699808498743540701
-                    "lo": 635724264111239649
+                    "lo": 632222155010330746
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 714845307972746199
-                                  "lo": 704698506505999681
+                                  "lo": 501756374239969023
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 685087989599505715
-                                  "lo": 573501059316260039
+                                  "lo": 796611411048551256
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 699808498743540701
-                                  "lo": 635724264111239649
+                                  "lo": 632222155010330746
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 714845307972746199
-                          "lo": 704698506505999681
+                          "lo": 501756374239969023
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 685087989599505715
-                          "lo": 573501059316260039
+                          "lo": 796611411048551256
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.255.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.255.json
index 04ca91da..7fce528e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.255.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.255.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 43006761666324243
-                    "lo": 108592652541969408
+                    "lo": 823856031402151766
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 29789160372686679
-                    "lo": 324603402163637045
+                    "lo": 75398373017079992
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 43006761666324243
-                    "lo": 108592652541969408
+                    "lo": 823856031402151766
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 29789160372686679
-                    "lo": 324603402163637045
+                    "lo": 75398373017079992
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 43006761666324243
-                        "lo": 108592652541969408
+                        "lo": 823856031402151766
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 29789160372686679
-                        "lo": 324603402163637045
+                        "lo": 75398373017079992
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 29647033208697161
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 66305066205304259
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 35792950708038121
-                    "lo": 187748620407972634
+                    "lo": 249233634102684074
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 13359728457627082
-                                  "lo": 108592652541969408
+                                  "lo": 823856031402151766
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 96094226577990938
-                                  "lo": 324603402163637045
+                                  "lo": 75398373017079992
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 35792950708038121
-                                  "lo": 187748620407972634
+                                  "lo": 249233634102684074
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 13359728457627082
-                          "lo": 108592652541969408
+                          "lo": 823856031402151766
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13136158885789593929
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 96094226577990938
-                          "lo": 324603402163637045
+                          "lo": 75398373017079992
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13040206786375592509
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.256.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.256.json
index d6a59e5c..0532019c 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.256.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.256.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 619243173184745993
-                    "lo": 87446748468417779
+                    "lo": 804767542285418011
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 805564224758172921
-                    "lo": 350648791720681247
+                    "lo": 411336425901740029
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 619243173184745993
-                    "lo": 87446748468417779
+                    "lo": 804767542285418011
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 805564224758172921
-                    "lo": 350648791720681247
+                    "lo": 411336425901740029
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 619243173184745993
-                        "lo": 87446748468417779
+                        "lo": 804767542285418011
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 805564224758172921
-                        "lo": 350648791720681247
+                        "lo": 411336425901740029
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 29274685276447720
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 176992537628632191
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 706286164910060318
-                    "lo": 175108813856850242
+                    "lo": 575352243869276381
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 619243173184745993
-                                  "lo": 58172063191970059
+                                  "lo": 804767542285418011
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 805564224758172921
-                                  "lo": 527641329349313438
+                                  "lo": 411336425901740029
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 706286164910060318
-                                  "lo": 175108813856850242
+                                  "lo": 575352243869276381
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 619243173184745993
-                          "lo": 58172063191970059
+                          "lo": 804767542285418011
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13135786537857344488
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 805564224758172921
-                          "lo": 527641329349313438
+                          "lo": 411336425901740029
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12929519314952264577
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.26.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.26.json
index 452b9800..b02a078b 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.26.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.26.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 86048177262297159
-                    "lo": 41081390412605030
+                    "lo": 627846464409186957
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 277861624413988821
-                    "lo": 420960537078985251
+                    "lo": 926857553852437436
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 86048177262297159
-                    "lo": 41081390412605030
+                    "lo": 627846464409186957
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 277861624413988821
-                    "lo": 420960537078985251
+                    "lo": 926857553852437436
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 86048177262297159
-                        "lo": 41081390412605030
+                        "lo": 627846464409186957
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 277861624413988821
-                        "lo": 420960537078985251
+                        "lo": 926857553852437436
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 149682458033834301
+                    "lo": 8754869773352526
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 100785946911304390
+                        "lo": 6005051385376601
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 154626926219092727
-                    "lo": 131505300927535574
+                    "lo": 762839588771584693
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 186834124173601549
-                                  "lo": 41081390412605030
+                                  "lo": 633851515794563558
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 128179166380154520
-                                  "lo": 420960537078985251
+                                  "lo": 918102684079084910
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 154626926219092727
-                                  "lo": 131505300927535574
+                                  "lo": 762839588771584693
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 186834124173601549
-                          "lo": 41081390412605030
+                          "lo": 633851515794563558
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13005725905669592378
+                          "lo": 13100506801195520167
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 128179166380154520
-                          "lo": 420960537078985251
+                          "lo": 918102684079084910
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13256194310614731069
+                          "lo": 13115266722354249294
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.27.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.27.json
index 29d2f7ef..6cc55940 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.27.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.27.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 750625821617992010
-                    "lo": 449025351221751578
+                    "lo": 383423118852149218
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 755662112066942222
-                    "lo": 914207473548408744
+                    "lo": 499514273711082855
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 750625821617992010
-                    "lo": 449025351221751578
+                    "lo": 383423118852149218
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 755662112066942222
-                    "lo": 914207473548408744
+                    "lo": 499514273711082855
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 750625821617992010
-                        "lo": 449025351221751578
+                        "lo": 383423118852149218
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 755662112066942222
-                        "lo": 914207473548408744
+                        "lo": 499514273711082855
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 12255886495164428
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 16543517154658142
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 753139757107428010
-                    "lo": 640704558981457850
+                    "lo": 437636059685978706
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 750625821617992010
-                                  "lo": 449025351221751578
+                                  "lo": 371167232356984790
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 755662112066942222
-                                  "lo": 914207473548408744
+                                  "lo": 516057790865740997
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 753139757107428010
-                                  "lo": 640704558981457850
+                                  "lo": 437636059685978706
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 750625821617992010
-                          "lo": 449025351221751578
+                          "lo": 371167232356984790
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13118767739076061196
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 755662112066942222
-                          "lo": 914207473548408744
+                          "lo": 516057790865740997
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13089968335426238626
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.28.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.28.json
index e5dd835a..b9c5da14 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.28.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.28.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 52656462121921549
-                    "lo": 584991392966242010
+                    "lo": 496012843983164771
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 566491175911863298
-                    "lo": 28097598854606377
+                    "lo": 105635862860992279
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 52656462121921549
-                    "lo": 584991392966242010
+                    "lo": 496012843983164771
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 566491175911863298
-                    "lo": 28097598854606377
+                    "lo": 105635862860992279
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 52656462121921549
-                        "lo": 584991392966242010
+                        "lo": 496012843983164771
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 566491175911863298
-                        "lo": 28097598854606377
+                        "lo": 105635862860992279
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 2723962050148310
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 62990151316737228
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 172711960057217307
-                    "lo": 128206292719830528
+                    "lo": 228903352453161666
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 52656462121921549
-                                  "lo": 647981544282979238
+                                  "lo": 496012843983164771
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 566491175911863298
-                                  "lo": 25373636804458067
+                                  "lo": 105635862860992279
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 172711960057217307
-                                  "lo": 128206292719830528
+                                  "lo": 228903352453161666
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 52656462121921549
-                          "lo": 647981544282979238
+                          "lo": 496012843983164771
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13043521701264159540
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 566491175911863298
-                          "lo": 25373636804458067
+                          "lo": 105635862860992279
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13109235814631045078
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.29.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.29.json
index d15148b7..d25785a3 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.29.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.29.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 464382873368931916
-                    "lo": 847456985833614703
+                    "lo": 795823742951387843
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 502721489671883294
-                    "lo": 269613720646745668
+                    "lo": 638087253841020873
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 464382873368931916
-                    "lo": 847456985833614703
+                    "lo": 795823742951387843
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 502721489671883294
-                    "lo": 269613720646745668
+                    "lo": 638087253841020873
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 464382873368931916
-                        "lo": 847456985833614703
+                        "lo": 795823742951387843
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 502721489671883294
-                        "lo": 269613720646745668
+                        "lo": 638087253841020873
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 483172070672694194
-                    "lo": 478002124512723578
+                    "lo": 712604368974351405
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 464382873368931916
-                                  "lo": 847456985833614703
+                                  "lo": 795823742951387843
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 502721489671883294
-                                  "lo": 269613720646745668
+                                  "lo": 638087253841020873
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 483172070672694194
-                                  "lo": 478002124512723578
+                                  "lo": 712604368974351405
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 464382873368931916
-                          "lo": 847456985833614703
+                          "lo": 795823742951387843
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 502721489671883294
-                          "lo": 269613720646745668
+                          "lo": 638087253841020873
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.3.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.3.json
index f2491075..7d779c99 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.3.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.3.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 181312858858755257
-                    "lo": 409471417832437714
+                    "lo": 605751665151271062
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 281420752962161581
-                    "lo": 237834348521596596
+                    "lo": 635815453269329598
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 181312858858755257
-                    "lo": 409471417832437714
+                    "lo": 605751665151271062
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 281420752962161581
-                    "lo": 237834348521596596
+                    "lo": 635815453269329598
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 181312858858755257
-                        "lo": 409471417832437714
+                        "lo": 605751665151271062
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 281420752962161581
-                        "lo": 237834348521596596
+                        "lo": 635815453269329598
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 2628223919798513
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 1541042892081157
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 225887585452926193
-                    "lo": 312067889886787766
+                    "lo": 620601538466354896
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 181312858858755257
-                                  "lo": 406843193912639201
+                                  "lo": 605751665151271062
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 281420752962161581
-                                  "lo": 239375391413677753
+                                  "lo": 635815453269329598
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 225887585452926193
-                                  "lo": 312067889886787766
+                                  "lo": 620601538466354896
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 181312858858755257
-                          "lo": 406843193912639201
+                          "lo": 605751665151271062
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13109140076500695281
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 281420752962161581
-                          "lo": 239375391413677753
+                          "lo": 635815453269329598
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13104970809688815611
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.30.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.30.json
index eb428f3e..3e73be97 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.30.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.30.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 785209908098193940
-                    "lo": 454377138690426920
+                    "lo": 933086225482935273
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 553680269347058352
-                    "lo": 787164551457584717
+                    "lo": 486815714874003577
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 785209908098193940
-                    "lo": 454377138690426920
+                    "lo": 933086225482935273
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 553680269347058352
-                    "lo": 787164551457584717
+                    "lo": 486815714874003577
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 785209908098193940
-                        "lo": 454377138690426920
+                        "lo": 933086225482935273
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 553680269347058352
-                        "lo": 787164551457584717
+                        "lo": 486815714874003577
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 659359714730727961
-                    "lo": 598054827394471140
+                    "lo": 673974063223178365
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 785209908098193940
-                                  "lo": 454377138690426920
+                                  "lo": 933086225482935273
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 553680269347058352
-                                  "lo": 787164551457584717
+                                  "lo": 486815714874003577
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 659359714730727961
-                                  "lo": 598054827394471140
+                                  "lo": 673974063223178365
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 785209908098193940
-                          "lo": 454377138690426920
+                          "lo": 933086225482935273
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 553680269347058352
-                          "lo": 787164551457584717
+                          "lo": 486815714874003577
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.31.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.31.json
index c2bfa80e..222d6faf 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.31.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.31.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 345310266892392719
-                    "lo": 942115310821291308
+                    "lo": 181764905232625073
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 180129409110923065
-                    "lo": 796683459616665614
+                    "lo": 72408474942916512
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 345310266892392719
-                    "lo": 942115310821291308
+                    "lo": 181764905232625073
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 180129409110923065
-                    "lo": 796683459616665614
+                    "lo": 72408474942916512
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 345310266892392719
-                        "lo": 942115310821291308
+                        "lo": 181764905232625073
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 180129409110923065
-                        "lo": 796683459616665614
+                        "lo": 72408474942916512
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 51864472418859612
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 460256341255369494
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 249400349509101210
-                    "lo": 866353094980872453
+                    "lo": 114722794535515595
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 345310266892392719
-                                  "lo": 942115310821291308
+                                  "lo": 642021246487994567
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 180129409110923065
-                                  "lo": 796683459616665614
+                                  "lo": 20544002524056900
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 249400349509101210
-                                  "lo": 866353094980872453
+                                  "lo": 114722794535515595
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 345310266892392719
-                          "lo": 942115310821291308
+                          "lo": 642021246487994567
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 12646255511325527274
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 180129409110923065
-                          "lo": 796683459616665614
+                          "lo": 20544002524056900
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13158376324999756380
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.32.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.32.json
index f91fbc14..05eda952 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.32.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.32.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 388794676546976628
-                    "lo": 653043041229879508
+                    "lo": 424727829454825770
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 734013959320346855
-                    "lo": 613042532385496759
+                    "lo": 806004438709194092
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 388794676546976628
-                    "lo": 653043041229879508
+                    "lo": 424727829454825770
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 734013959320346855
-                    "lo": 613042532385496759
+                    "lo": 806004438709194092
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 388794676546976628
-                        "lo": 653043041229879508
+                        "lo": 424727829454825770
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 734013959320346855
-                        "lo": 613042532385496759
+                        "lo": 806004438709194092
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 534210370448683742
-                    "lo": 632726765478031365
+                    "lo": 585091886616035001
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 388794676546976628
-                                  "lo": 653043041229879508
+                                  "lo": 424727829454825770
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 734013959320346855
-                                  "lo": 613042532385496759
+                                  "lo": 806004438709194092
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 534210370448683742
-                                  "lo": 632726765478031365
+                                  "lo": 585091886616035001
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 388794676546976628
-                          "lo": 653043041229879508
+                          "lo": 424727829454825770
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 734013959320346855
-                          "lo": 613042532385496759
+                          "lo": 806004438709194092
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.33.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.33.json
index 3a48f8d9..2f5cb7cf 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.33.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.33.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 811715560210984223
-                    "lo": 796008531036021683
+                    "lo": 101558854229662601
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 279150877210814953
-                    "lo": 742402615893425844
+                    "lo": 549019882399707967
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 811715560210984223
-                    "lo": 796008531036021683
+                    "lo": 101558854229662601
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 279150877210814953
-                    "lo": 742402615893425844
+                    "lo": 549019882399707967
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 811715560210984223
-                        "lo": 796008531036021683
+                        "lo": 101558854229662601
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 279150877210814953
-                        "lo": 742402615893425844
+                        "lo": 549019882399707967
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 476015872296885000
-                    "lo": 768738457288709961
+                    "lo": 236130959862993072
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 811715560210984223
-                                  "lo": 796008531036021683
+                                  "lo": 101558854229662601
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 279150877210814953
-                                  "lo": 742402615893425844
+                                  "lo": 549019882399707967
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 476015872296885000
-                                  "lo": 768738457288709961
+                                  "lo": 236130959862993072
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 811715560210984223
-                          "lo": 796008531036021683
+                          "lo": 101558854229662601
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 279150877210814953
-                          "lo": 742402615893425844
+                          "lo": 549019882399707967
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.34.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.34.json
index e89906fb..8888e093 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.34.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.34.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 325769999776786820
-                    "lo": 514526834280158855
+                    "lo": 876344089743731110
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 414087554449280785
-                    "lo": 418054159592011484
+                    "lo": 380936988791019293
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 325769999776786820
-                    "lo": 514526834280158855
+                    "lo": 876344089743731110
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 414087554449280785
-                    "lo": 418054159592011484
+                    "lo": 380936988791019293
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 325769999776786820
-                        "lo": 514526834280158855
+                        "lo": 876344089743731110
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 414087554449280785
-                        "lo": 418054159592011484
+                        "lo": 380936988791019293
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 5609183755792000
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 13136160084396935
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 367283681260837399
-                    "lo": 463788834807965138
+                    "lo": 577781860819274684
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 325769999776786820
-                                  "lo": 514526834280158855
+                                  "lo": 889480249828128045
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 414087554449280785
-                                  "lo": 418054159592011484
+                                  "lo": 375327805035227293
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 367283681260837399
-                                  "lo": 463788834807965138
+                                  "lo": 577781860819274684
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 325769999776786820
-                          "lo": 514526834280158855
+                          "lo": 889480249828128045
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13093375692496499833
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 414087554449280785
-                          "lo": 418054159592011484
+                          "lo": 375327805035227293
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13112121036336688768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.35.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.35.json
index 80714304..c1abc119 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.35.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.35.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 704988084541370766
-                    "lo": 898068368885167964
+                    "lo": 627916692899690398
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 637968024477448037
-                    "lo": 803486490120143142
+                    "lo": 77544761860578623
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 704988084541370766
-                    "lo": 898068368885167964
+                    "lo": 627916692899690398
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 637968024477448037
-                    "lo": 803486490120143142
+                    "lo": 77544761860578623
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 704988084541370766
-                        "lo": 898068368885167964
+                        "lo": 627916692899690398
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 637968024477448037
-                        "lo": 803486490120143142
+                        "lo": 77544761860578623
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 32158216011411081
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 4198353718743161
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 670641376277216011
-                    "lo": 849462066017939129
+                    "lo": 220661846315099457
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 704988084541370766
-                                  "lo": 898068368885167964
+                                  "lo": 595758476888279317
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 637968024477448037
-                                  "lo": 803486490120143142
+                                  "lo": 81743115579321784
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 670641376277216011
-                                  "lo": 849462066017939129
+                                  "lo": 220661846315099457
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 704988084541370766
-                          "lo": 898068368885167964
+                          "lo": 595758476888279317
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13138670068592307849
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 637968024477448037
-                          "lo": 803486490120143142
+                          "lo": 81743115579321784
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13102313498862153607
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.36.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.36.json
index e12fefe3..0a2513f4 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.36.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.36.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 868608666490608421
-                    "lo": 224527464883810322
+                    "lo": 410166251904736957
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 900578727257499900
-                    "lo": 575098377856738386
+                    "lo": 457048609159003851
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 868608666490608421
-                    "lo": 224527464883810322
+                    "lo": 410166251904736957
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 900578727257499900
-                    "lo": 575098377856738386
+                    "lo": 457048609159003851
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 868608666490608421
-                        "lo": 224527464883810322
+                        "lo": 410166251904736957
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 900578727257499900
-                        "lo": 575098377856738386
+                        "lo": 457048609159003851
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 884449256516701660
-                    "lo": 359340202091228734
+                    "lo": 432973342085885976
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 868608666490608421
-                                  "lo": 224527464883810322
+                                  "lo": 410166251904736957
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 900578727257499900
-                                  "lo": 575098377856738386
+                                  "lo": 457048609159003851
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 884449256516701660
-                                  "lo": 359340202091228734
+                                  "lo": 432973342085885976
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 868608666490608421
-                          "lo": 224527464883810322
+                          "lo": 410166251904736957
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 900578727257499900
-                          "lo": 575098377856738386
+                          "lo": 457048609159003851
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.37.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.37.json
index 369a6afb..00f2ad46 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.37.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.37.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 140651618404506761
-                    "lo": 482169370300584574
+                    "lo": 822980895065241568
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 533180290314010634
-                    "lo": 75428177380435171
+                    "lo": 195282140704171899
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 140651618404506761
-                    "lo": 482169370300584574
+                    "lo": 822980895065241568
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 533180290314010634
-                    "lo": 75428177380435171
+                    "lo": 195282140704171899
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 140651618404506761
-                        "lo": 482169370300584574
+                        "lo": 822980895065241568
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 533180290314010634
-                        "lo": 75428177380435171
+                        "lo": 195282140704171899
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 19322351866307576
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 166554545580469211
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 273847897078013648
-                    "lo": 190706991981010552
+                    "lo": 400890846673974127
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 140651618404506761
-                                  "lo": 648723915881053785
+                                  "lo": 822980895065241568
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 533180290314010634
-                                  "lo": 56105825514127595
+                                  "lo": 195282140704171899
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 273847897078013648
-                                  "lo": 190706991981010552
+                                  "lo": 400890846673974127
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 140651618404506761
-                          "lo": 648723915881053785
+                          "lo": 822980895065241568
                         }
                       }
                     },
@@ -995,7 +941,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 12939957307000427557
                         }
                       }
                     },
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 533180290314010634
-                          "lo": 56105825514127595
+                          "lo": 195282140704171899
                         }
                       }
                     },
@@ -1328,7 +1272,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13125834204447204344
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.38.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.38.json
index b8b9b04e..0bec11b3 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.38.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.38.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 663074984460874159
-                    "lo": 925358369704172097
+                    "lo": 369989550279821479
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 234413266199163792
-                    "lo": 5108531820876371
+                    "lo": 268001116039950536
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 663074984460874159
-                    "lo": 925358369704172097
+                    "lo": 369989550279821479
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 234413266199163792
-                    "lo": 5108531820876371
+                    "lo": 268001116039950536
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 663074984460874159
-                        "lo": 925358369704172097
+                        "lo": 369989550279821479
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 234413266199163792
-                        "lo": 5108531820876371
+                        "lo": 268001116039950536
                       }
                     }
                   ]
@@ -246,7 +240,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 371776038021311
+                    "lo": 3485291428911104
                   }
                 },
                 {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 72847591899086169
+                        "lo": 4889694652932330
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 394250647231470362
-                    "lo": 68754801122161966
+                    "lo": 314893017385447195
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 663074984460874159
-                                  "lo": 998205961603258266
+                                  "lo": 374879244932753809
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 234413266199163792
-                                  "lo": 4736755782855060
+                                  "lo": 264515824611039432
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 394250647231470362
-                                  "lo": 68754801122161966
+                                  "lo": 314893017385447195
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 663074984460874159
-                          "lo": 998205961603258266
+                          "lo": 374879244932753809
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13033664260681810599
+                          "lo": 13101622157927964438
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 234413266199163792
-                          "lo": 4736755782855060
+                          "lo": 264515824611039432
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106883628618918079
+                          "lo": 13109997144009807872
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.39.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.39.json
index 908fd09f..f54e7488 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.39.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.39.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 638202828920398522
-                    "lo": 255114304911866912
+                    "lo": 928345438420678713
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 307669578971476050
-                    "lo": 487250168107208854
+                    "lo": 675335874703103639
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 638202828920398522
-                    "lo": 255114304911866912
+                    "lo": 928345438420678713
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 307669578971476050
-                    "lo": 487250168107208854
+                    "lo": 675335874703103639
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 638202828920398522
-                        "lo": 255114304911866912
+                        "lo": 928345438420678713
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 307669578971476050
-                        "lo": 487250168107208854
+                        "lo": 675335874703103639
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 443120294809822462
-                    "lo": 352568415991649612
+                    "lo": 791798572038662680
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 638202828920398522
-                                  "lo": 255114304911866912
+                                  "lo": 928345438420678713
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 307669578971476050
-                                  "lo": 487250168107208854
+                                  "lo": 675335874703103639
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 443120294809822462
-                                  "lo": 352568415991649612
+                                  "lo": 791798572038662680
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 638202828920398522
-                          "lo": 255114304911866912
+                          "lo": 928345438420678713
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 307669578971476050
-                          "lo": 487250168107208854
+                          "lo": 675335874703103639
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.4.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.4.json
index b47de165..e844f7f1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.4.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.4.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 257396256751778283
-                    "lo": 436840359834534734
+                    "lo": 629773822797587895
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 551722018470853997
-                    "lo": 4123716288396715
+                    "lo": 884152643482136285
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 257396256751778283
-                    "lo": 436840359834534734
+                    "lo": 629773822797587895
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 551722018470853997
-                    "lo": 4123716288396715
+                    "lo": 884152643482136285
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 257396256751778283
-                        "lo": 436840359834534734
+                        "lo": 629773822797587895
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 551722018470853997
-                        "lo": 4123716288396715
+                        "lo": 884152643482136285
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 295754042867009216
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 8670405585706367
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 376843710736869397
-                    "lo": 42442970057228004
+                    "lo": 746201172755938385
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 257396256751778283
-                                  "lo": 141086316967525518
+                                  "lo": 629773822797587895
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 551722018470853997
-                                  "lo": 12794121874103082
+                                  "lo": 884152643482136285
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 376843710736869397
-                                  "lo": 42442970057228004
+                                  "lo": 746201172755938385
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 257396256751778283
-                          "lo": 141086316967525518
+                          "lo": 629773822797587895
                         }
                       }
                     },
@@ -995,7 +941,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13402265895447905984
                         }
                       }
                     },
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 551722018470853997
-                          "lo": 12794121874103082
+                          "lo": 884152643482136285
                         }
                       }
                     },
@@ -1328,7 +1272,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13097841446995190401
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.40.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.40.json
index 61d568a4..d8f21ede 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.40.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.40.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 518694444624085084
-                    "lo": 366127270947958042
+                    "lo": 703809705361353628
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 764919817563285660
-                    "lo": 572964222231681415
+                    "lo": 501661587149938173
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 518694444624085084
-                    "lo": 366127270947958042
+                    "lo": 703809705361353628
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 764919817563285660
-                    "lo": 572964222231681415
+                    "lo": 501661587149938173
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 518694444624085084
-                        "lo": 366127270947958042
+                        "lo": 703809705361353628
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 764919817563285660
-                        "lo": 572964222231681415
+                        "lo": 501661587149938173
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 629888609162719292
-                    "lo": 458015094769271623
+                    "lo": 594200550187482585
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 518694444624085084
-                                  "lo": 366127270947958042
+                                  "lo": 703809705361353628
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 764919817563285660
-                                  "lo": 572964222231681415
+                                  "lo": 501661587149938173
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 629888609162719292
-                                  "lo": 458015094769271623
+                                  "lo": 594200550187482585
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 518694444624085084
-                          "lo": 366127270947958042
+                          "lo": 703809705361353628
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 764919817563285660
-                          "lo": 572964222231681415
+                          "lo": 501661587149938173
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.41.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.41.json
index a8bde1cf..748240d4 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.41.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.41.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 97202922054898456
-                    "lo": 765057285666647561
+                    "lo": 72094835761219085
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 445788338697489164
-                    "lo": 133128726731918612
+                    "lo": 411190521502723186
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 97202922054898456
-                    "lo": 765057285666647561
+                    "lo": 72094835761219085
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 445788338697489164
-                    "lo": 133128726731918612
+                    "lo": 411190521502723186
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 97202922054898456
-                        "lo": 765057285666647561
+                        "lo": 72094835761219085
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 445788338697489164
-                        "lo": 133128726731918612
+                        "lo": 411190521502723186
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 19822477761909547
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 156398932519512833
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 208163227154545027
-                    "lo": 319141194955741364
+                    "lo": 172176401153900451
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 97202922054898456
-                                  "lo": 765057285666647561
+                                  "lo": 52272357999309538
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 445788338697489164
-                                  "lo": 133128726731918612
+                                  "lo": 567589454022236019
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 208163227154545027
-                                  "lo": 319141194955741364
+                                  "lo": 172176401153900451
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 97202922054898456
-                          "lo": 765057285666647561
+                          "lo": 52272357999309538
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13126334330342806315
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 445788338697489164
-                          "lo": 133128726731918612
+                          "lo": 567589454022236019
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 12950112920061383935
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.42.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.42.json
index 737a6f9d..289eacd5 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.42.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.42.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 81128648653399597
-                    "lo": 221310119421926418
+                    "lo": 149454661173390557
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 406046121710297233
-                    "lo": 725668285593662708
+                    "lo": 191548020030447057
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 81128648653399597
-                    "lo": 221310119421926418
+                    "lo": 149454661173390557
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 406046121710297233
-                    "lo": 725668285593662708
+                    "lo": 191548020030447057
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 81128648653399597
-                        "lo": 221310119421926418
+                        "lo": 149454661173390557
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 406046121710297233
-                        "lo": 725668285593662708
+                        "lo": 191548020030447057
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 22161638028533164
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 19612712915790115
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 181499237313301772
-                    "lo": 400746472155948117
+                    "lo": 169197353502010463
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 81128648653399597
-                                  "lo": 221310119421926418
+                                  "lo": 169067374089180672
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 406046121710297233
-                                  "lo": 725668285593662708
+                                  "lo": 169386382001913893
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 181499237313301772
-                                  "lo": 400746472155948117
+                                  "lo": 169197353502010463
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 81128648653399597
-                          "lo": 221310119421926418
+                          "lo": 169067374089180672
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13086899139665106653
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 406046121710297233
-                          "lo": 725668285593662708
+                          "lo": 169386382001913893
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13128673490609429932
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.43.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.43.json
index 17ff3447..edabeead 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.43.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.43.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 432914331576299306
-                    "lo": 449290376083874566
+                    "lo": 628139441088877060
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 521261832205191335
-                    "lo": 891840153813531480
+                    "lo": 279277460707601280
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 432914331576299306
-                    "lo": 449290376083874566
+                    "lo": 628139441088877060
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 521261832205191335
-                    "lo": 891840153813531480
+                    "lo": 279277460707601280
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 432914331576299306
-                        "lo": 449290376083874566
+                        "lo": 628139441088877060
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 521261832205191335
-                        "lo": 891840153813531480
+                        "lo": 279277460707601280
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 475038648601719030
-                    "lo": 633004895805381665
+                    "lo": 418837901911459646
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 432914331576299306
-                                  "lo": 449290376083874566
+                                  "lo": 628139441088877060
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 521261832205191335
-                                  "lo": 891840153813531480
+                                  "lo": 279277460707601280
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 475038648601719030
-                                  "lo": 633004895805381665
+                                  "lo": 418837901911459646
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 432914331576299306
-                          "lo": 449290376083874566
+                          "lo": 628139441088877060
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 521261832205191335
-                          "lo": 891840153813531480
+                          "lo": 279277460707601280
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.44.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.44.json
index 2f643693..5a33a30f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.44.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.44.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 946244437482914821
-                    "lo": 798284946130614716
+                    "lo": 474865588244218989
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 277103966586536370
-                    "lo": 717173028803725496
+                    "lo": 720258043310896070
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 946244437482914821
-                    "lo": 798284946130614716
+                    "lo": 474865588244218989
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 277103966586536370
-                    "lo": 717173028803725496
+                    "lo": 720258043310896070
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 946244437482914821
-                        "lo": 798284946130614716
+                        "lo": 474865588244218989
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 277103966586536370
-                        "lo": 717173028803725496
+                        "lo": 720258043310896070
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 512062581123598145
-                    "lo": 756642869962383114
+                    "lo": 584829684117058836
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 946244437482914821
-                                  "lo": 798284946130614716
+                                  "lo": 474865588244218989
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 277103966586536370
-                                  "lo": 717173028803725496
+                                  "lo": 720258043310896070
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 512062581123598145
-                                  "lo": 756642869962383114
+                                  "lo": 584829684117058836
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 946244437482914821
-                          "lo": 798284946130614716
+                          "lo": 474865588244218989
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 277103966586536370
-                          "lo": 717173028803725496
+                          "lo": 720258043310896070
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.45.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.45.json
index 773c6793..3c34a00d 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.45.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.45.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 696136921529323120
-                    "lo": 781700250966548406
+                    "lo": 148388137890567861
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 549577955840556585
-                    "lo": 281664631135988325
+                    "lo": 640045877631531586
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 696136921529323120
-                    "lo": 781700250966548406
+                    "lo": 148388137890567861
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 549577955840556585
-                    "lo": 281664631135988325
+                    "lo": 640045877631531586
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 696136921529323120
-                        "lo": 781700250966548406
+                        "lo": 148388137890567861
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 549577955840556585
-                        "lo": 281664631135988325
+                        "lo": 640045877631531586
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 618531734286304299
-                    "lo": 469230554042895162
+                    "lo": 308180492481722847
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 696136921529323120
-                                  "lo": 781700250966548406
+                                  "lo": 148388137890567861
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 549577955840556585
-                                  "lo": 281664631135988325
+                                  "lo": 640045877631531586
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 618531734286304299
-                                  "lo": 469230554042895162
+                                  "lo": 308180492481722847
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 696136921529323120
-                          "lo": 781700250966548406
+                          "lo": 148388137890567861
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 549577955840556585
-                          "lo": 281664631135988325
+                          "lo": 640045877631531586
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.46.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.46.json
index 019079dd..318c0716 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.46.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.46.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 813153780666386196
-                    "lo": 457110462693990093
+                    "lo": 150172029163621815
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 600901116672142815
-                    "lo": 458133144637116623
+                    "lo": 391769022773345744
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 813153780666386196
-                    "lo": 457110462693990093
+                    "lo": 150172029163621815
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 600901116672142815
-                    "lo": 458133144637116623
+                    "lo": 391769022773345744
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 813153780666386196
-                        "lo": 457110462693990093
+                        "lo": 150172029163621815
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 600901116672142815
-                        "lo": 458133144637116623
+                        "lo": 391769022773345744
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 699017177777918530
-                    "lo": 457621517982409854
+                    "lo": 242554631193309718
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 813153780666386196
-                                  "lo": 457110462693990093
+                                  "lo": 150172029163621815
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 600901116672142815
-                                  "lo": 458133144637116623
+                                  "lo": 391769022773345744
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 699017177777918530
-                                  "lo": 457621517982409854
+                                  "lo": 242554631193309718
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 813153780666386196
-                          "lo": 457110462693990093
+                          "lo": 150172029163621815
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 600901116672142815
-                          "lo": 458133144637116623
+                          "lo": 391769022773345744
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.47.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.47.json
index 53d7d220..d692c22e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.47.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.47.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 878351084589900955
-                    "lo": 723723466460070131
+                    "lo": 139033615566934092
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 251612882552619337
-                    "lo": 940793969441602627
+                    "lo": 729823298304953479
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 878351084589900955
-                    "lo": 723723466460070131
+                    "lo": 139033615566934092
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 251612882552619337
-                    "lo": 940793969441602627
+                    "lo": 729823298304953479
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 878351084589900955
-                        "lo": 723723466460070131
+                        "lo": 139033615566934092
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 251612882552619337
-                        "lo": 940793969441602627
+                        "lo": 729823298304953479
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 470111102067250227
-                    "lo": 825151302967526036
+                    "lo": 318543516475100719
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 878351084589900955
-                                  "lo": 723723466460070131
+                                  "lo": 139033615566934092
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 251612882552619337
-                                  "lo": 940793969441602627
+                                  "lo": 729823298304953479
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 470111102067250227
-                                  "lo": 825151302967526036
+                                  "lo": 318543516475100719
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 878351084589900955
-                          "lo": 723723466460070131
+                          "lo": 139033615566934092
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 251612882552619337
-                          "lo": 940793969441602627
+                          "lo": 729823298304953479
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.48.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.48.json
index b47c58f8..07373730 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.48.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.48.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 878837372096953628
-                    "lo": 714924694233776126
+                    "lo": 558713239236879947
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 140438501118121504
-                    "lo": 789578123230927788
+                    "lo": 483869680525693279
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 878837372096953628
-                    "lo": 714924694233776126
+                    "lo": 558713239236879947
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 140438501118121504
-                    "lo": 789578123230927788
+                    "lo": 483869680525693279
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 878837372096953628
-                        "lo": 714924694233776126
+                        "lo": 558713239236879947
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 140438501118121504
-                        "lo": 789578123230927788
+                        "lo": 483869680525693279
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 11073324940376248
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 13124952131839898
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 351315532340779072
-                    "lo": 751324762219740668
+                    "lo": 519946532419463625
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 878837372096953628
-                                  "lo": 714924694233776126
+                                  "lo": 571838191368719845
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 140438501118121504
-                                  "lo": 789578123230927788
+                                  "lo": 472796355585317031
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 351315532340779072
-                                  "lo": 751324762219740668
+                                  "lo": 519946532419463625
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 878837372096953628
-                          "lo": 714924694233776126
+                          "lo": 571838191368719845
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13093386900449056870
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 140438501118121504
-                          "lo": 789578123230927788
+                          "lo": 472796355585317031
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13117585177521273016
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.49.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.49.json
index 918e177c..d5278824 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.49.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.49.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 35030924997457766
-                    "lo": 910749645830907600
+                    "lo": 282349652942215445
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 924212304087065716
-                    "lo": 435526380660616746
+                    "lo": 748150781991449977
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 35030924997457766
-                    "lo": 910749645830907600
+                    "lo": 282349652942215445
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 924212304087065716
-                    "lo": 435526380660616746
+                    "lo": 748150781991449977
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 35030924997457766
-                        "lo": 910749645830907600
+                        "lo": 282349652942215445
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 924212304087065716
-                        "lo": 435526380660616746
+                        "lo": 748150781991449977
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 16508639862256945
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 8064473524986104
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 179933354068114977
-                    "lo": 629805920055276827
+                    "lo": 459608652707641036
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 35030924997457766
-                                  "lo": 894241005968650655
+                                  "lo": 282349652942215445
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 924212304087065716
-                                  "lo": 443590854185602850
+                                  "lo": 748150781991449977
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 179933354068114977
-                                  "lo": 629805920055276827
+                                  "lo": 459608652707641036
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 35030924997457766
-                          "lo": 894241005968650655
+                          "lo": 282349652942215445
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13123020492443153713
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 924212304087065716
-                          "lo": 443590854185602850
+                          "lo": 748150781991449977
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13098447379055910664
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.5.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.5.json
index 7ba2137b..116fa935 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.5.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.5.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 741134360628556481
-                    "lo": 70076428818763386
+                    "lo": 656703760933419627
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 736027778939966300
-                    "lo": 108770531242264981
+                    "lo": 327184331769592654
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 741134360628556481
-                    "lo": 70076428818763386
+                    "lo": 656703760933419627
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 736027778939966300
-                    "lo": 108770531242264981
+                    "lo": 327184331769592654
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 741134360628556481
-                        "lo": 70076428818763386
+                        "lo": 656703760933419627
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 736027778939966300
-                        "lo": 108770531242264981
+                        "lo": 327184331769592654
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": true
+                  "bool": false
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 19433236989735398
+                    "lo": 8584038247742076
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 41863946686777817
+                        "lo": 17746790301365565
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 738576656380045924
-                    "lo": 87305500343206675
+                    "lo": 463533365780263143
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 741134360628556481
-                                  "lo": 50643191829027988
+                                  "lo": 674450551234785192
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 736027778939966300
-                                  "lo": 150634477929042798
+                                  "lo": 318600293521850578
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 738576656380045924
-                                  "lo": 87305500343206675
+                                  "lo": 463533365780263143
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 741134360628556481
-                          "lo": 50643191829027988
+                          "lo": 674450551234785192
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13125945089570632166
+                          "lo": 13088765062279531203
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 736027778939966300
-                          "lo": 150634477929042798
+                          "lo": 318600293521850578
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13064647905894118951
+                          "lo": 13115095890828638844
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.50.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.50.json
index 241b7706..9c0ecc00 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.50.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.50.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 846626416564746088
-                    "lo": 778199725174662669
+                    "lo": 550762844830788775
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 941617219149981091
-                    "lo": 872449881332681186
+                    "lo": 608172480122927749
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 846626416564746088
-                    "lo": 778199725174662669
+                    "lo": 550762844830788775
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 941617219149981091
-                    "lo": 872449881332681186
+                    "lo": 608172480122927749
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 846626416564746088
-                        "lo": 778199725174662669
+                        "lo": 550762844830788775
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 941617219149981091
-                        "lo": 872449881332681186
+                        "lo": 608172480122927749
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 892859458159350910
-                    "lo": 823978311536025538
+                    "lo": 578756257245051326
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 846626416564746088
-                                  "lo": 778199725174662669
+                                  "lo": 550762844830788775
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 941617219149981091
-                                  "lo": 872449881332681186
+                                  "lo": 608172480122927749
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 892859458159350910
-                                  "lo": 823978311536025538
+                                  "lo": 578756257245051326
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 846626416564746088
-                          "lo": 778199725174662669
+                          "lo": 550762844830788775
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 941617219149981091
-                          "lo": 872449881332681186
+                          "lo": 608172480122927749
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.51.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.51.json
index dd977e67..a703f1dc 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.51.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.51.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 550075133285520521
-                    "lo": 442863049261087296
+                    "lo": 55182614885853584
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 842857494529639467
-                    "lo": 646641255009104011
+                    "lo": 747237921671681305
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 550075133285520521
-                    "lo": 442863049261087296
+                    "lo": 55182614885853584
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 842857494529639467
-                    "lo": 646641255009104011
+                    "lo": 747237921671681305
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 550075133285520521
-                        "lo": 442863049261087296
+                        "lo": 55182614885853584
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 842857494529639467
-                        "lo": 646641255009104011
+                        "lo": 747237921671681305
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 680907444990940977
-                    "lo": 535138783841489236
+                    "lo": 203062902716655794
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 550075133285520521
-                                  "lo": 442863049261087296
+                                  "lo": 55182614885853584
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 842857494529639467
-                                  "lo": 646641255009104011
+                                  "lo": 747237921671681305
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 680907444990940977
-                                  "lo": 535138783841489236
+                                  "lo": 203062902716655794
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 550075133285520521
-                          "lo": 442863049261087296
+                          "lo": 55182614885853584
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 842857494529639467
-                          "lo": 646641255009104011
+                          "lo": 747237921671681305
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.52.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.52.json
index 4abf6dc2..8c11e959 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.52.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.52.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 282915815136871278
-                    "lo": 425907403262360822
+                    "lo": 496235969285731592
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 884657129011789606
-                    "lo": 805147025103617525
+                    "lo": 665622185067823959
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 282915815136871278
-                    "lo": 425907403262360822
+                    "lo": 496235969285731592
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 884657129011789606
-                    "lo": 805147025103617525
+                    "lo": 665622185067823959
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 282915815136871278
-                        "lo": 425907403262360822
+                        "lo": 496235969285731592
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 884657129011789606
-                        "lo": 805147025103617525
+                        "lo": 665622185067823959
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 50665106872032481
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 17238883468766751
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 500283412448398845
-                    "lo": 585592075344515383
+                    "lo": 574722254819854909
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 300154698605638029
-                                  "lo": 425907403262360822
+                                  "lo": 496235969285731592
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 833992022139757125
-                                  "lo": 805147025103617525
+                                  "lo": 665622185067823959
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 500283412448398845
-                                  "lo": 585592075344515383
+                                  "lo": 574722254819854909
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 300154698605638029
-                          "lo": 425907403262360822
+                          "lo": 496235969285731592
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13089272969112130017
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 833992022139757125
-                          "lo": 805147025103617525
+                          "lo": 665622185067823959
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13157176959452929249
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.53.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.53.json
index aa7af7ac..12a9d04c 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.53.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.53.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 50130926446945349
-                    "lo": 355492709645010928
+                    "lo": 398140299220290939
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 870064092811774438
-                    "lo": 124762536472384040
+                    "lo": 520282853232442103
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 50130926446945349
-                    "lo": 355492709645010928
+                    "lo": 398140299220290939
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 870064092811774438
-                    "lo": 124762536472384040
+                    "lo": 520282853232442103
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 50130926446945349
-                        "lo": 355492709645010928
+                        "lo": 398140299220290939
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 870064092811774438
-                        "lo": 124762536472384040
+                        "lo": 520282853232442103
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 291417319641333908
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 25322839136356741
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 208847118823495613
-                    "lo": 210599554018407896
+                    "lo": 455132476170566423
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 75453765583302090
-                                  "lo": 355492709645010928
+                                  "lo": 398140299220290939
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 578646773170440530
-                                  "lo": 124762536472384040
+                                  "lo": 520282853232442103
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 208847118823495613
-                                  "lo": 210599554018407896
+                                  "lo": 455132476170566423
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 75453765583302090
-                          "lo": 355492709645010928
+                          "lo": 398140299220290939
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13081189013444540027
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 578646773170440530
-                          "lo": 124762536472384040
+                          "lo": 520282853232442103
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13397929172222230676
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.54.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.54.json
index 1c89018b..9c37a26f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.54.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.54.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 442635230934397631
-                    "lo": 603330628312419886
+                    "lo": 805997309305053483
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 947829685094873059
-                    "lo": 385115367004254102
+                    "lo": 520770862480193134
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 442635230934397631
-                    "lo": 603330628312419886
+                    "lo": 805997309305053483
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 947829685094873059
-                    "lo": 385115367004254102
+                    "lo": 520770862480193134
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 442635230934397631
-                        "lo": 603330628312419886
+                        "lo": 805997309305053483
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 947829685094873059
-                        "lo": 385115367004254102
+                        "lo": 520770862480193134
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 647721245250182079
-                    "lo": 482028937251120645
+                    "lo": 647873378001834319
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 442635230934397631
-                                  "lo": 603330628312419886
+                                  "lo": 805997309305053483
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 947829685094873059
-                                  "lo": 385115367004254102
+                                  "lo": 520770862480193134
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 647721245250182079
-                                  "lo": 482028937251120645
+                                  "lo": 647873378001834319
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 442635230934397631
-                          "lo": 603330628312419886
+                          "lo": 805997309305053483
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 947829685094873059
-                          "lo": 385115367004254102
+                          "lo": 520770862480193134
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.55.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.55.json
index 6cd95027..1a3473e5 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.55.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.55.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 37899303696817527
-                    "lo": 145856393271799056
+                    "lo": 823605718192726585
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 799121671327293604
-                    "lo": 58181816369387329
+                    "lo": 236512337478438130
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 37899303696817527
-                    "lo": 145856393271799056
+                    "lo": 823605718192726585
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 799121671327293604
-                    "lo": 58181816369387329
+                    "lo": 236512337478438130
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 37899303696817527
-                        "lo": 145856393271799056
+                        "lo": 823605718192726585
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 799121671327293604
-                        "lo": 58181816369387329
+                        "lo": 236512337478438130
                       }
                     }
                   ]
@@ -228,67 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 194665813649240268
-                    "lo": 5567204956844935
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 12242247953002738
-                        "lo": 15479650636081484
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -593,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 174029178336109773
-                    "lo": 92120518287952300
+                    "lo": 441353501821804468
                   }
                 }
               }
@@ -643,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -659,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -714,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 50141551649820265
-                                  "lo": 161336043907880540
+                                  "lo": 823605718192726585
                                 }
                               }
                             },
@@ -726,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 604455857678053336
-                                  "lo": 52614611412542394
+                                  "lo": 236512337478438130
                                 }
                               }
                             },
@@ -754,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 174029178336109773
-                                  "lo": 92120518287952300
+                                  "lo": 441353501821804468
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -805,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -882,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 50141551649820265
-                          "lo": 161336043907880540
+                          "lo": 823605718192726585
                         }
                       }
                     },
@@ -1029,8 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13094269604627894030
-                          "lo": 13091032201944815284
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1215,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 604455857678053336
-                          "lo": 52614611412542394
+                          "lo": 236512337478438130
                         }
                       }
                     },
@@ -1362,8 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13301177666230137036
-                          "lo": 13112079057537741703
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.56.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.56.json
index 1fbe8c98..1b96460b 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.56.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.56.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 126967849123387252
-                    "lo": 471808660210618760
+                    "lo": 767670420355304841
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 429722439584459014
-                    "lo": 727895133043413427
+                    "lo": 306098236206605396
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 126967849123387252
-                    "lo": 471808660210618760
+                    "lo": 767670420355304841
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 429722439584459014
-                    "lo": 727895133043413427
+                    "lo": 306098236206605396
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 126967849123387252
-                        "lo": 471808660210618760
+                        "lo": 767670420355304841
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 429722439584459014
-                        "lo": 727895133043413427
+                        "lo": 306098236206605396
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 2468564267960602
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 8546148911762399
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 233582820160416518
-                    "lo": 586026644014624117
+                    "lo": 484749999132276591
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 124499284855426650
-                                  "lo": 471808660210618760
+                                  "lo": 767670420355304841
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 438268588496221413
-                                  "lo": 727895133043413427
+                                  "lo": 306098236206605396
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 233582820160416518
-                                  "lo": 586026644014624117
+                                  "lo": 484749999132276591
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 124499284855426650
-                          "lo": 471808660210618760
+                          "lo": 767670420355304841
                         }
                       }
                     },
@@ -994,7 +940,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13108980416848857370
                           "lo": 13106511852580896768
                         }
                       }
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 438268588496221413
-                          "lo": 727895133043413427
+                          "lo": 306098236206605396
                         }
                       }
                     },
@@ -1327,7 +1271,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13097965703669134369
                           "lo": 13106511852580896768
                         }
                       }
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.57.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.57.json
index ac9c1429..11538a8c 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.57.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.57.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 193541124640764018
-                    "lo": 265410427405781239
+                    "lo": 151558583382930364
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 96848044719818303
-                    "lo": 411599668836008112
+                    "lo": 67584742049312096
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 193541124640764018
-                    "lo": 265410427405781239
+                    "lo": 151558583382930364
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 96848044719818303
-                    "lo": 411599668836008112
+                    "lo": 67584742049312096
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 193541124640764018
-                        "lo": 265410427405781239
+                        "lo": 151558583382930364
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 96848044719818303
-                        "lo": 411599668836008112
+                        "lo": 67584742049312096
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": false
+                  "bool": true
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 18040378960638541
+                    "lo": 105352377076134227
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 44438080781898398
+                        "lo": 154560149257529253
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 136909019039406756
-                    "lo": 330519052440011284
+                    "lo": 101207943182808073
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 237979205422662416
-                                  "lo": 265410427405781239
+                                  "lo": 46206206306796137
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 78807665759179762
-                                  "lo": 411599668836008112
+                                  "lo": 222144891306841349
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 136909019039406756
-                                  "lo": 330519052440011284
+                                  "lo": 101207943182808073
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -880,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 237979205422662416
-                          "lo": 265410427405781239
+                          "lo": 46206206306796137
                         }
                       }
                     },
@@ -1027,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13062073771798998370
+                          "lo": 13211864229657030995
                         }
                       }
                     },
@@ -1212,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 78807665759179762
-                          "lo": 411599668836008112
+                          "lo": 222144891306841349
                         }
                       }
                     },
@@ -1359,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13124552231541535309
+                          "lo": 12951951703323367515
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.58.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.58.json
index a31f63ab..1224081e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.58.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.58.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 414298471541300023
-                    "lo": 660295299886907195
+                    "lo": 591206001070602862
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 929770127580795764
-                    "lo": 172724621728906261
+                    "lo": 970339944596142268
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 414298471541300023
-                    "lo": 660295299886907195
+                    "lo": 591206001070602862
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 929770127580795764
-                    "lo": 172724621728906261
+                    "lo": 970339944596142268
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 414298471541300023
-                        "lo": 660295299886907195
+                        "lo": 591206001070602862
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 929770127580795764
-                        "lo": 172724621728906261
+                        "lo": 970339944596142268
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 5570885336009222
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 9258185135403705
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 620646713309176563
-                    "lo": 337711794141603479
+                    "lo": 757410587676034277
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 414298471541300023
-                                  "lo": 660295299886907195
+                                  "lo": 585635115734593640
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 929770127580795764
-                                  "lo": 172724621728906261
+                                  "lo": 979598129731545973
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 620646713309176563
-                                  "lo": 337711794141603479
+                                  "lo": 757410587676034277
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 414298471541300023
-                          "lo": 660295299886907195
+                          "lo": 585635115734593640
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13112082737916905990
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 929770127580795764
-                          "lo": 172724621728906261
+                          "lo": 979598129731545973
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13097253667445493063
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.59.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.59.json
index 0c2404b2..588a2966 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.59.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.59.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 485997202383960972
-                    "lo": 548182520017984540
+                    "lo": 715027388661358736
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 411335226827206389
-                    "lo": 474442246194848726
+                    "lo": 541769848357776701
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 485997202383960972
-                    "lo": 548182520017984540
+                    "lo": 715027388661358736
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 411335226827206389
-                    "lo": 474442246194848726
+                    "lo": 541769848357776701
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 485997202383960972
-                        "lo": 548182520017984540
+                        "lo": 715027388661358736
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 411335226827206389
-                        "lo": 474442246194848726
+                        "lo": 541769848357776701
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 447110466752898009
-                    "lo": 509981319385411617
+                    "lo": 622398810993981081
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 485997202383960972
-                                  "lo": 548182520017984540
+                                  "lo": 715027388661358736
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 411335226827206389
-                                  "lo": 474442246194848726
+                                  "lo": 541769848357776701
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 447110466752898009
-                                  "lo": 509981319385411617
+                                  "lo": 622398810993981081
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 485997202383960972
-                          "lo": 548182520017984540
+                          "lo": 715027388661358736
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 411335226827206389
-                          "lo": 474442246194848726
+                          "lo": 541769848357776701
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.6.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.6.json
index 03b85588..25bde7b4 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.6.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.6.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 631522957642980943
-                    "lo": 269167810291889220
+                    "lo": 48650198772930733
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 465813472747611920
-                    "lo": 872812322367954222
+                    "lo": 262419961058278182
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 631522957642980943
-                    "lo": 269167810291889220
+                    "lo": 48650198772930733
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 465813472747611920
-                    "lo": 872812322367954222
+                    "lo": 262419961058278182
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 631522957642980943
-                        "lo": 269167810291889220
+                        "lo": 48650198772930733
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 465813472747611920
-                        "lo": 872812322367954222
+                        "lo": 262419961058278182
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 66238437898969913
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 16475607628794840
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 542376162842284192
-                    "lo": 484698856618788363
+                    "lo": 112990191023247570
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 631522957642980943
-                                  "lo": 269167810291889220
+                                  "lo": 65125806401725573
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 465813472747611920
-                                  "lo": 872812322367954222
+                                  "lo": 196181523159308269
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 542376162842284192
-                                  "lo": 484698856618788363
+                                  "lo": 112990191023247570
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 631522957642980943
-                          "lo": 269167810291889220
+                          "lo": 65125806401725573
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13090036244952101928
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 465813472747611920
-                          "lo": 872812322367954222
+                          "lo": 196181523159308269
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13172750290479866681
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.60.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.60.json
index d04e44af..2d843ae2 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.60.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.60.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 61973693117600382
-                    "lo": 592978630804994024
+                    "lo": 675719069926402770
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 578412379295728177
-                    "lo": 82379115558926722
+                    "lo": 420359667470338109
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 61973693117600382
-                    "lo": 592978630804994024
+                    "lo": 675719069926402770
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 578412379295728177
-                    "lo": 82379115558926722
+                    "lo": 420359667470338109
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 61973693117600382
-                        "lo": 592978630804994024
+                        "lo": 675719069926402770
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 578412379295728177
-                        "lo": 82379115558926722
+                        "lo": 420359667470338109
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 186516579580664977
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 37915728493820799
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 189331326752586115
-                    "lo": 221018223572308054
+                    "lo": 532958763449508176
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 61973693117600382
-                                  "lo": 406462051224329047
+                                  "lo": 675719069926402770
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 578412379295728177
-                                  "lo": 120294844052747521
+                                  "lo": 420359667470338109
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 189331326752586115
-                                  "lo": 221018223572308054
+                                  "lo": 532958763449508176
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 61973693117600382
-                          "lo": 406462051224329047
+                          "lo": 675719069926402770
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13293028432161561745
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 578412379295728177
-                          "lo": 120294844052747521
+                          "lo": 420359667470338109
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13068596124087075969
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.61.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.61.json
index d58a45db..0fe85cec 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.61.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.61.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 783682389236239745
-                    "lo": 278748189746775284
+                    "lo": 860965968974839197
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 522976040492116035
-                    "lo": 208202003056822324
+                    "lo": 299559322616813750
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 783682389236239745
-                    "lo": 278748189746775284
+                    "lo": 860965968974839197
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 522976040492116035
-                    "lo": 208202003056822324
+                    "lo": 299559322616813750
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 783682389236239745
-                        "lo": 278748189746775284
+                        "lo": 860965968974839197
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 522976040492116035
-                        "lo": 208202003056822324
+                        "lo": 299559322616813750
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 640193027864385568
-                    "lo": 240906478646261808
+                    "lo": 507848779128424717
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 783682389236239745
-                                  "lo": 278748189746775284
+                                  "lo": 860965968974839197
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 522976040492116035
-                                  "lo": 208202003056822324
+                                  "lo": 299559322616813750
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 640193027864385568
-                                  "lo": 240906478646261808
+                                  "lo": 507848779128424717
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 783682389236239745
-                          "lo": 278748189746775284
+                          "lo": 860965968974839197
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 522976040492116035
-                          "lo": 208202003056822324
+                          "lo": 299559322616813750
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.62.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.62.json
index eee1dc34..1e5761e7 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.62.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.62.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 766643851809970366
-                    "lo": 571528921390960451
+                    "lo": 454962230661521816
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 90270329138068508
-                    "lo": 825292986059106838
+                    "lo": 408305814777134036
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 766643851809970366
-                    "lo": 571528921390960451
+                    "lo": 454962230661521816
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 90270329138068508
-                    "lo": 825292986059106838
+                    "lo": 408305814777134036
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 766643851809970366
-                        "lo": 571528921390960451
+                        "lo": 454962230661521816
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 90270329138068508
-                        "lo": 825292986059106838
+                        "lo": 408305814777134036
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 263068798671683303
-                    "lo": 686788766764487996
+                    "lo": 431003160409613537
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 766643851809970366
-                                  "lo": 571528921390960451
+                                  "lo": 454962230661521816
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 90270329138068508
-                                  "lo": 825292986059106838
+                                  "lo": 408305814777134036
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 263068798671683303
-                                  "lo": 686788766764487996
+                                  "lo": 431003160409613537
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 766643851809970366
-                          "lo": 571528921390960451
+                          "lo": 454962230661521816
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 90270329138068508
-                          "lo": 825292986059106838
+                          "lo": 408305814777134036
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.63.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.63.json
index f9ccead1..7d98b4ba 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.63.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.63.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 499142039560610478
-                    "lo": 643009792944025856
+                    "lo": 484788225427240387
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 113032984365374427
-                    "lo": 709812432294481847
+                    "lo": 746863060313285010
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 499142039560610478
-                    "lo": 643009792944025856
+                    "lo": 484788225427240387
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 113032984365374427
-                    "lo": 709812432294481847
+                    "lo": 746863060313285010
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 499142039560610478
-                        "lo": 643009792944025856
+                        "lo": 484788225427240387
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 113032984365374427
-                        "lo": 709812432294481847
+                        "lo": 746863060313285010
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 237527923313777127
-                    "lo": 675585927265192628
+                    "lo": 601722874458363471
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 499142039560610478
-                                  "lo": 643009792944025856
+                                  "lo": 484788225427240387
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 113032984365374427
-                                  "lo": 709812432294481847
+                                  "lo": 746863060313285010
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 237527923313777127
-                                  "lo": 675585927265192628
+                                  "lo": 601722874458363471
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 499142039560610478
-                          "lo": 643009792944025856
+                          "lo": 484788225427240387
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 113032984365374427
-                          "lo": 709812432294481847
+                          "lo": 746863060313285010
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.64.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.64.json
index 1e3b023a..a311cd53 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.64.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.64.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 216521662953105726
-                    "lo": 727840539775555200
+                    "lo": 798624495390467768
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 738975091357598507
-                    "lo": 568804673689125208
+                    "lo": 632329765912599556
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 216521662953105726
-                    "lo": 727840539775555200
+                    "lo": 798624495390467768
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 738975091357598507
-                    "lo": 568804673689125208
+                    "lo": 632329765912599556
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 216521662953105726
-                        "lo": 727840539775555200
+                        "lo": 798624495390467768
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 738975091357598507
-                        "lo": 568804673689125208
+                        "lo": 632329765912599556
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 400005144544005153
-                    "lo": 643427618870025995
+                    "lo": 710629326880281818
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 216521662953105726
-                                  "lo": 727840539775555200
+                                  "lo": 798624495390467768
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 738975091357598507
-                                  "lo": 568804673689125208
+                                  "lo": 632329765912599556
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 400005144544005153
-                                  "lo": 643427618870025995
+                                  "lo": 710629326880281818
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 216521662953105726
-                          "lo": 727840539775555200
+                          "lo": 798624495390467768
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 738975091357598507
-                          "lo": 568804673689125208
+                          "lo": 632329765912599556
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.65.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.65.json
index 8a81190f..1c59bbca 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.65.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.65.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 458760447334063595
-                    "lo": 181059808970326648
+                    "lo": 366740584717130787
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 470790011659991292
-                    "lo": 387945802862881352
+                    "lo": 368905540647589160
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 458760447334063595
-                    "lo": 181059808970326648
+                    "lo": 366740584717130787
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 470790011659991292
-                    "lo": 387945802862881352
+                    "lo": 368905540647589160
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 458760447334063595
-                        "lo": 181059808970326648
+                        "lo": 366740584717130787
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 470790011659991292
-                        "lo": 387945802862881352
+                        "lo": 368905540647589160
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 58510049457309928
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 32254226671309225
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 464736308404611981
-                    "lo": 265030928303081824
+                    "lo": 367821469849825524
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 458760447334063595
-                                  "lo": 213314035641635873
+                                  "lo": 366740584717130787
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 470790011659991292
-                                  "lo": 329435753405571424
+                                  "lo": 368905540647589160
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 464736308404611981
-                                  "lo": 265030928303081824
+                                  "lo": 367821469849825524
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 458760447334063595
-                          "lo": 213314035641635873
+                          "lo": 366740584717130787
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13074257625909587543
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 470790011659991292
-                          "lo": 329435753405571424
+                          "lo": 368905540647589160
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13165021902038206696
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.66.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.66.json
index 74babe70..167c7282 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.66.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.66.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 165733324736729518
-                    "lo": 231882712341758902
+                    "lo": 35893018210728411
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 485520805559192673
-                    "lo": 171626537229090055
+                    "lo": 22012595238321716
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 165733324736729518
-                    "lo": 231882712341758902
+                    "lo": 35893018210728411
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 485520805559192673
-                    "lo": 171626537229090055
+                    "lo": 22012595238321716
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 165733324736729518
-                        "lo": 231882712341758902
+                        "lo": 35893018210728411
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 485520805559192673
-                        "lo": 171626537229090055
+                        "lo": 22012595238321716
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 18591120594071971
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 195617211178167561
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 283667018410988677
-                    "lo": 199492423321050627
+                    "lo": 28108690502306841
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 165733324736729518
-                                  "lo": 231882712341758902
+                                  "lo": 231510229388895972
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 485520805559192673
-                                  "lo": 171626537229090055
+                                  "lo": 3421474644249745
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 283667018410988677
-                                  "lo": 199492423321050627
+                                  "lo": 28108690502306841
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 165733324736729518
-                          "lo": 231882712341758902
+                          "lo": 231510229388895972
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 12910894641402729207
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 485520805559192673
-                          "lo": 171626537229090055
+                          "lo": 3421474644249745
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13125102973174968739
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.67.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.67.json
index 74467e71..b29cd5a2 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.67.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.67.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 992428367021929828
-                    "lo": 963181170714165511
+                    "lo": 774831396498409201
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 287213096919354455
-                    "lo": 963322764847893458
+                    "lo": 946229368206247537
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 992428367021929828
-                    "lo": 963181170714165511
+                    "lo": 774831396498409201
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 287213096919354455
-                    "lo": 963322764847893458
+                    "lo": 946229368206247537
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 992428367021929828
-                        "lo": 963181170714165511
+                        "lo": 774831396498409201
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 287213096919354455
-                        "lo": 963322764847893458
+                        "lo": 946229368206247537
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 533889899476461538
-                    "lo": 963251965179309035
+                    "lo": 856252429354249609
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 992428367021929828
-                                  "lo": 963181170714165511
+                                  "lo": 774831396498409201
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 287213096919354455
-                                  "lo": 963322764847893458
+                                  "lo": 946229368206247537
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 533889899476461538
-                                  "lo": 963251965179309035
+                                  "lo": 856252429354249609
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 992428367021929828
-                          "lo": 963181170714165511
+                          "lo": 774831396498409201
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 287213096919354455
-                          "lo": 963322764847893458
+                          "lo": 946229368206247537
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.68.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.68.json
index 116c4a6b..6913b282 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.68.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.68.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 701170170070319474
-                    "lo": 108093081921133396
+                    "lo": 997788533707018851
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 604950057025413969
-                    "lo": 622556549710253824
+                    "lo": 603818440932413549
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 701170170070319474
-                    "lo": 108093081921133396
+                    "lo": 997788533707018851
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 604950057025413969
-                    "lo": 622556549710253824
+                    "lo": 603818440932413549
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 701170170070319474
-                        "lo": 108093081921133396
+                        "lo": 997788533707018851
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 604950057025413969
-                        "lo": 622556549710253824
+                        "lo": 603818440932413549
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 651285601229260231
-                    "lo": 259410979197813873
+                    "lo": 776197859313726198
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 701170170070319474
-                                  "lo": 108093081921133396
+                                  "lo": 997788533707018851
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 604950057025413969
-                                  "lo": 622556549710253824
+                                  "lo": 603818440932413549
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 651285601229260231
-                                  "lo": 259410979197813873
+                                  "lo": 776197859313726198
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 701170170070319474
-                          "lo": 108093081921133396
+                          "lo": 997788533707018851
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 604950057025413969
-                          "lo": 622556549710253824
+                          "lo": 603818440932413549
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.69.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.69.json
index 5236d437..24b0abb0 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.69.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.69.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 498987379283810711
-                    "lo": 423451819514188778
+                    "lo": 454507256937409928
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 812409750331315477
-                    "lo": 107632950158180999
+                    "lo": 375021914521643
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 498987379283810711
-                    "lo": 423451819514188778
+                    "lo": 454507256937409928
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 812409750331315477
-                    "lo": 107632950158180999
+                    "lo": 375021914521643
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 498987379283810711
-                        "lo": 423451819514188778
+                        "lo": 454507256937409928
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 812409750331315477
-                        "lo": 107632950158180999
+                        "lo": 375021914521643
                       }
                     }
                   ]
@@ -241,12 +235,12 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "bool": false
+                  "bool": true
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 37437137170027356
+                    "lo": 42465563119148925
                   }
                 },
                 {
@@ -262,7 +256,7 @@
             {
               "function": {
                 "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
                   "function_name": "transfer",
                   "args": [
                     {
@@ -274,7 +268,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 226516721603021480
+                        "lo": 38766555261538
                       }
                     }
                   ]
@@ -591,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 636696326534430446
-                    "lo": 213488567806713567
+                    "lo": 13055657075024901
                   }
                 }
               }
@@ -641,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 498987379283810711
-                                  "lo": 649968541117210258
+                                  "lo": 412041693818261003
                                 }
                               }
                             },
@@ -724,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 812409750331315477
-                                  "lo": 70195812988153643
+                                  "lo": 413788469783181
                                 }
                               }
                             },
@@ -752,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 636696326534430446
-                                  "lo": 213488567806713567
+                                  "lo": 13055657075024901
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -847,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 498987379283810711
-                          "lo": 649968541117210258
+                          "lo": 412041693818261003
                         }
                       }
                     },
@@ -994,8 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
-                          "lo": 12879995130977875288
+                          "lo": 13148977415700045693
                         }
                       }
                     },
@@ -1180,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 812409750331315477
-                          "lo": 70195812988153643
+                          "lo": 413788469783181
                         }
                       }
                     },
@@ -1327,8 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
-                          "lo": 13143948989750924124
+                          "lo": 13106473086025635230
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.7.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.7.json
index d0c466a6..f6f785ae 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.7.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.7.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 756828808954506828
-                    "lo": 56486157670279741
+                    "lo": 404825101947072688
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 345179657333868341
-                    "lo": 712227411575714837
+                    "lo": 474427643081964012
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 756828808954506828
-                    "lo": 56486157670279741
+                    "lo": 404825101947072688
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 345179657333868341
-                    "lo": 712227411575714837
+                    "lo": 474427643081964012
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 756828808954506828
-                        "lo": 56486157670279741
+                        "lo": 404825101947072688
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 345179657333868341
-                        "lo": 712227411575714837
+                        "lo": 474427643081964012
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 511118292507044179
-                    "lo": 200576643374449385
+                    "lo": 438246755809059578
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 756828808954506828
-                                  "lo": 56486157670279741
+                                  "lo": 404825101947072688
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 345179657333868341
-                                  "lo": 712227411575714837
+                                  "lo": 474427643081964012
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 511118292507044179
-                                  "lo": 200576643374449385
+                                  "lo": 438246755809059578
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 756828808954506828
-                          "lo": 56486157670279741
+                          "lo": 404825101947072688
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 345179657333868341
-                          "lo": 712227411575714837
+                          "lo": 474427643081964012
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.70.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.70.json
index b9036d9f..f0966c7f 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.70.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.70.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 423724746818122637
-                    "lo": 588484263051195031
+                    "lo": 642458437970458239
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 826436977642875022
-                    "lo": 488880970476715517
+                    "lo": 711024070333217157
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 423724746818122637
-                    "lo": 588484263051195031
+                    "lo": 642458437970458239
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 826436977642875022
-                    "lo": 488880970476715517
+                    "lo": 711024070333217157
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 423724746818122637
-                        "lo": 588484263051195031
+                        "lo": 642458437970458239
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 826436977642875022
-                        "lo": 488880970476715517
+                        "lo": 711024070333217157
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 14819447045978222
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 12667233005578587
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 591761606656651641
-                    "lo": 536375575162351111
+                    "lo": 675872335271740450
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 423724746818122637
-                                  "lo": 573664816005216809
+                                  "lo": 642458437970458239
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 826436977642875022
-                                  "lo": 501548203482294104
+                                  "lo": 711024070333217157
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 591761606656651641
-                                  "lo": 536375575162351111
+                                  "lo": 675872335271740450
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 423724746818122637
-                          "lo": 573664816005216809
+                          "lo": 642458437970458239
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13121331299626874990
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 826436977642875022
-                          "lo": 501548203482294104
+                          "lo": 711024070333217157
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13093844619575318181
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.71.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.71.json
index 4f39dba5..5f0b837e 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.71.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.71.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 791865837768962886
-                    "lo": 536647964353820873
+                    "lo": 700392497787992450
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 123781554187778587
-                    "lo": 440574102048667204
+                    "lo": 498434666620220706
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 791865837768962886
-                    "lo": 536647964353820873
+                    "lo": 700392497787992450
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 123781554187778587
-                    "lo": 440574102048667204
+                    "lo": 498434666620220706
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 791865837768962886
-                        "lo": 536647964353820873
+                        "lo": 700392497787992450
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 123781554187778587
-                        "lo": 440574102048667204
+                        "lo": 498434666620220706
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 4653860283842174
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 31028233798600082
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 313078878411255279
-                    "lo": 486243966555298038
+                    "lo": 590846766207839784
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 822894071567562968
-                                  "lo": 536647964353820873
+                                  "lo": 700392497787992450
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 119127693903936413
-                                  "lo": 440574102048667204
+                                  "lo": 498434666620220706
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 313078878411255279
-                                  "lo": 486243966555298038
+                                  "lo": 590846766207839784
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 822894071567562968
-                          "lo": 536647964353820873
+                          "lo": 700392497787992450
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13075483618782296686
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 119127693903936413
-                          "lo": 440574102048667204
+                          "lo": 498434666620220706
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13111165712864738942
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.72.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.72.json
index 8012dc4b..a6187529 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.72.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.72.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 488998326552669344
-                    "lo": 530632790503329145
+                    "lo": 294133718555280196
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 115454202942642429
-                    "lo": 804294693139611345
+                    "lo": 465340457043418897
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 488998326552669344
-                    "lo": 530632790503329145
+                    "lo": 294133718555280196
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 115454202942642429
-                    "lo": 804294693139611345
+                    "lo": 465340457043418897
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 488998326552669344
-                        "lo": 530632790503329145
+                        "lo": 294133718555280196
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 115454202942642429
-                        "lo": 804294693139611345
+                        "lo": 465340457043418897
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 237606632972281353
-                    "lo": 653287943718304652
+                    "lo": 369962591385121568
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 488998326552669344
-                                  "lo": 530632790503329145
+                                  "lo": 294133718555280196
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 115454202942642429
-                                  "lo": 804294693139611345
+                                  "lo": 465340457043418897
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 237606632972281353
-                                  "lo": 653287943718304652
+                                  "lo": 369962591385121568
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 488998326552669344
-                          "lo": 530632790503329145
+                          "lo": 294133718555280196
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 115454202942642429
-                          "lo": 804294693139611345
+                          "lo": 465340457043418897
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.73.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.73.json
index 4db2246a..447a901d 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.73.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.73.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 683998373022037488
-                    "lo": 784228553414509602
+                    "lo": 311810562950457949
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 886291554157088152
-                    "lo": 263375386589092827
+                    "lo": 739093754453445667
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 683998373022037488
-                    "lo": 784228553414509602
+                    "lo": 311810562950457949
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 886291554157088152
-                    "lo": 263375386589092827
+                    "lo": 739093754453445667
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 683998373022037488
-                        "lo": 784228553414509602
+                        "lo": 311810562950457949
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 886291554157088152
-                        "lo": 263375386589092827
+                        "lo": 739093754453445667
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 778602582237319144
-                    "lo": 454473869908657674
+                    "lo": 480059620931917611
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 683998373022037488
-                                  "lo": 784228553414509602
+                                  "lo": 311810562950457949
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 886291554157088152
-                                  "lo": 263375386589092827
+                                  "lo": 739093754453445667
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 778602582237319144
-                                  "lo": 454473869908657674
+                                  "lo": 480059620931917611
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 683998373022037488
-                          "lo": 784228553414509602
+                          "lo": 311810562950457949
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 886291554157088152
-                          "lo": 263375386589092827
+                          "lo": 739093754453445667
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.74.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.74.json
index 518ef3da..02d07f08 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.74.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.74.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 367744313860202159
-                    "lo": 718617513542506089
+                    "lo": 143136579463323704
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 132005706694972210
-                    "lo": 836513555940393009
+                    "lo": 408359741141774492
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 367744313860202159
-                    "lo": 718617513542506089
+                    "lo": 143136579463323704
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 132005706694972210
-                    "lo": 836513555940393009
+                    "lo": 408359741141774492
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 367744313860202159
-                        "lo": 718617513542506089
+                        "lo": 143136579463323704
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 132005706694972210
-                        "lo": 836513555940393009
+                        "lo": 408359741141774492
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 120226135840223493
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 64311603393436540
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 220327819474013879
-                    "lo": 775327860723762007
+                    "lo": 241766864018959187
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 247518178019978666
-                                  "lo": 718617513542506089
+                                  "lo": 143136579463323704
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 196317310088408750
-                                  "lo": 836513555940393009
+                                  "lo": 408359741141774492
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 220327819474013879
-                                  "lo": 775327860723762007
+                                  "lo": 241766864018959187
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 247518178019978666
-                          "lo": 718617513542506089
+                          "lo": 143136579463323704
                         }
                       }
                     },
@@ -994,7 +940,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13226737988421120261
                           "lo": 13106511852580896768
                         }
                       }
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 196317310088408750
-                          "lo": 836513555940393009
+                          "lo": 408359741141774492
                         }
                       }
                     },
@@ -1327,7 +1271,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13042200249187460228
                           "lo": 13106511852580896768
                         }
                       }
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.75.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.75.json
index cc5d1e2a..c37d8bd9 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.75.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.75.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 454770467774768421
-                    "lo": 93122819101601589
+                    "lo": 746484596373626071
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 120449727718457475
-                    "lo": 611089175582611379
+                    "lo": 976624558120572748
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 454770467774768421
-                    "lo": 93122819101601589
+                    "lo": 746484596373626071
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 120449727718457475
-                    "lo": 611089175582611379
+                    "lo": 976624558120572748
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 454770467774768421
-                        "lo": 93122819101601589
+                        "lo": 746484596373626071
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 120449727718457475
-                        "lo": 611089175582611379
+                        "lo": 976624558120572748
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 234044822668364949
-                    "lo": 238550511952345996
+                    "lo": 853835574965816626
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 454770467774768421
-                                  "lo": 93122819101601589
+                                  "lo": 746484596373626071
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 120449727718457475
-                                  "lo": 611089175582611379
+                                  "lo": 976624558120572748
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 234044822668364949
-                                  "lo": 238550511952345996
+                                  "lo": 853835574965816626
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 454770467774768421
-                          "lo": 93122819101601589
+                          "lo": 746484596373626071
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 120449727718457475
-                          "lo": 611089175582611379
+                          "lo": 976624558120572748
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.76.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.76.json
index a6955963..27910b0b 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.76.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.76.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 846579281485395908
-                    "lo": 635367382334171856
+                    "lo": 201944147907549070
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 279673125760100157
-                    "lo": 90919144720308109
+                    "lo": 928565411607530151
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 846579281485395908
-                    "lo": 635367382334171856
+                    "lo": 201944147907549070
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 279673125760100157
-                    "lo": 90919144720308109
+                    "lo": 928565411607530151
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 846579281485395908
-                        "lo": 635367382334171856
+                        "lo": 201944147907549070
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 279673125760100157
-                        "lo": 90919144720308109
+                        "lo": 928565411607530151
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 486585525737007882
-                    "lo": 240347787560035394
+                    "lo": 433033891079561174
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 846579281485395908
-                                  "lo": 635367382334171856
+                                  "lo": 201944147907549070
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 279673125760100157
-                                  "lo": 90919144720308109
+                                  "lo": 928565411607530151
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 486585525737007882
-                                  "lo": 240347787560035394
+                                  "lo": 433033891079561174
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 846579281485395908
-                          "lo": 635367382334171856
+                          "lo": 201944147907549070
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 279673125760100157
-                          "lo": 90919144720308109
+                          "lo": 928565411607530151
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.77.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.77.json
index 20bae780..391f603b 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.77.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.77.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 764774497635578693
-                    "lo": 430766885952623538
+                    "lo": 987906144969229442
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 564377532481146604
-                    "lo": 283104532163931834
+                    "lo": 853964846816448103
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 764774497635578693
-                    "lo": 430766885952623538
+                    "lo": 987906144969229442
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 564377532481146604
-                    "lo": 283104532163931834
+                    "lo": 853964846816448103
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 764774497635578693
-                        "lo": 430766885952623538
+                        "lo": 987906144969229442
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 564377532481146604
-                        "lo": 283104532163931834
+                        "lo": 853964846816448103
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 37587299043095954
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 66146411825227006
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 656979104599283576
-                    "lo": 349216348012705823
+                    "lo": 918497207267216350
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 764774497635578693
-                                  "lo": 496913297777850544
+                                  "lo": 987906144969229442
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 564377532481146604
-                                  "lo": 245517233120835880
+                                  "lo": 853964846816448103
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 656979104599283576
-                                  "lo": 349216348012705823
+                                  "lo": 918497207267216350
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 764774497635578693
-                          "lo": 496913297777850544
+                          "lo": 987906144969229442
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13040365440755669762
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 564377532481146604
-                          "lo": 245517233120835880
+                          "lo": 853964846816448103
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13144099151623992722
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.78.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.78.json
index 5a28521b..a3bc5379 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.78.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.78.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 13309721424991847
-                    "lo": 951098432342813591
+                    "lo": 507729051627757080
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 825335327147558041
-                    "lo": 822466023693084090
+                    "lo": 221103899991312112
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 13309721424991847
-                    "lo": 951098432342813591
+                    "lo": 507729051627757080
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 825335327147558041
-                    "lo": 822466023693084090
+                    "lo": 221103899991312112
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 13309721424991847
-                        "lo": 951098432342813591
+                        "lo": 507729051627757080
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 825335327147558041
-                        "lo": 822466023693084090
+                        "lo": 221103899991312112
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 12180674091316564
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 8930884036222284946
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 104809270995167733
-                    "lo": 884446802125328314
+                    "lo": 335053538190223183
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 1129047333675283
-                                  "lo": 951098432342813591
+                                  "lo": 507729051627757080
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 9756219363369842987
-                                  "lo": 822466023693084090
+                                  "lo": 221103899991312112
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 104809270995167733
-                                  "lo": 884446802125328314
+                                  "lo": 335053538190223183
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 1129047333675283
-                          "lo": 951098432342813591
+                          "lo": 507729051627757080
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13118692526672213332
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 9756219363369842987
-                          "lo": 822466023693084090
+                          "lo": 221103899991312112
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 4175627816358611822
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.79.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.79.json
index f4a4fbf5..942a1c36 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.79.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.79.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 851484799713190161
-                    "lo": 932801490031436199
+                    "lo": 477147963952216336
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 822800825538235561
-                    "lo": 840030269714064441
+                    "lo": 737598451008221541
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 851484799713190161
-                    "lo": 932801490031436199
+                    "lo": 477147963952216336
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 822800825538235561
-                    "lo": 840030269714064441
+                    "lo": 737598451008221541
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 851484799713190161
-                        "lo": 932801490031436199
+                        "lo": 477147963952216336
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 822800825538235561
-                        "lo": 840030269714064441
+                        "lo": 737598451008221541
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 837019949665043543
-                    "lo": 885201382319745670
+                    "lo": 593248345225573721
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 851484799713190161
-                                  "lo": 932801490031436199
+                                  "lo": 477147963952216336
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 822800825538235561
-                                  "lo": 840030269714064441
+                                  "lo": 737598451008221541
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 837019949665043543
-                                  "lo": 885201382319745670
+                                  "lo": 593248345225573721
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 851484799713190161
-                          "lo": 932801490031436199
+                          "lo": 477147963952216336
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 822800825538235561
-                          "lo": 840030269714064441
+                          "lo": 737598451008221541
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.8.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.8.json
index 8d84c296..d9d1f26c 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.8.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.8.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 583794396677863793
-                    "lo": 666351906515732715
+                    "lo": 249854315816888049
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 80482875012734716
-                    "lo": 1048174372705018
+                    "lo": 409076525467760677
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 583794396677863793
-                    "lo": 666351906515732715
+                    "lo": 249854315816888049
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 80482875012734716
-                    "lo": 1048174372705018
+                    "lo": 409076525467760677
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 583794396677863793
-                        "lo": 666351906515732715
+                        "lo": 249854315816888049
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 80482875012734716
-                        "lo": 1048174372705018
+                        "lo": 409076525467760677
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 124497143426256383
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 241554354159676
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 216761277586563838
-                    "lo": 26428261229466476
+                    "lo": 319702260529226041
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 583794396677863793
-                                  "lo": 541854763089476332
+                                  "lo": 249854315816888049
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 80482875012734716
-                                  "lo": 1289728726864694
+                                  "lo": 409076525467760677
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 216761277586563838
-                                  "lo": 26428261229466476
+                                  "lo": 319702260529226041
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 583794396677863793
-                          "lo": 541854763089476332
+                          "lo": 249854315816888049
                         }
                       }
                     },
@@ -995,7 +941,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13231008996007153151
                         }
                       }
                     },
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 80482875012734716
-                          "lo": 1289728726864694
+                          "lo": 409076525467760677
                         }
                       }
                     },
@@ -1328,7 +1272,6 @@
                         "i128": {
                           "hi": 2,
                           "lo": 13106511852580896768
-                          "lo": 13106270298226737092
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.80.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.80.json
index 2d5d0342..b4d81f13 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.80.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.80.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 660553750170212754
-                    "lo": 586733647191978200
+                    "lo": 530319268885125758
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 68457326562079432
-                    "lo": 388020381836870462
+                    "lo": 98110484724494784
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 660553750170212754
-                    "lo": 586733647191978200
+                    "lo": 530319268885125758
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 68457326562079432
-                    "lo": 388020381836870462
+                    "lo": 98110484724494784
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 660553750170212754
-                        "lo": 586733647191978200
+                        "lo": 530319268885125758
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 68457326562079432
-                        "lo": 388020381836870462
+                        "lo": 98110484724494784
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 212649344666774100
-                    "lo": 477142131675637107
+                    "lo": 228100593004620162
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 660553750170212754
-                                  "lo": 586733647191978200
+                                  "lo": 530319268885125758
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 68457326562079432
-                                  "lo": 388020381836870462
+                                  "lo": 98110484724494784
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 212649344666774100
-                                  "lo": 477142131675637107
+                                  "lo": 228100593004620162
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 660553750170212754
-                          "lo": 586733647191978200
+                          "lo": 530319268885125758
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 68457326562079432
-                          "lo": 388020381836870462
+                          "lo": 98110484724494784
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.81.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.81.json
index ff9e72a1..6d107dd6 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.81.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.81.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 819930723168893963
-                    "lo": 380334811656766809
+                    "lo": 859207445491683694
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 197222710226908331
-                    "lo": 992285461168107778
+                    "lo": 227711695130411475
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 819930723168893963
-                    "lo": 380334811656766809
+                    "lo": 859207445491683694
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 197222710226908331
-                    "lo": 992285461168107778
+                    "lo": 227711695130411475
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 819930723168893963
-                        "lo": 380334811656766809
+                        "lo": 859207445491683694
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 197222710226908331
-                        "lo": 992285461168107778
+                        "lo": 227711695130411475
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 16639708387347923
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 45535459876458163
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 402130525354241377
-                    "lo": 614329475105273023
+                    "lo": 442325201499509761
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 819930723168893963
-                                  "lo": 363695103269418886
+                                  "lo": 859207445491683694
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 197222710226908331
-                                  "lo": 1037820921044565941
+                                  "lo": 227711695130411475
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 402130525354241377
-                                  "lo": 614329475105273023
+                                  "lo": 442325201499509761
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 819930723168893963
-                          "lo": 363695103269418886
+                          "lo": 859207445491683694
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13123151560968244691
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 197222710226908331
-                          "lo": 1037820921044565941
+                          "lo": 227711695130411475
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13060976392704438605
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.82.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.82.json
index 70b03b44..58b4b1c6 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.82.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.82.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 670029322906592385
-                    "lo": 988200181151760342
+                    "lo": 134147434014150044
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 487773628510502581
-                    "lo": 80245571697750329
+                    "lo": 775717078247050621
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 670029322906592385
-                    "lo": 988200181151760342
+                    "lo": 134147434014150044
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 487773628510502581
-                    "lo": 80245571697750329
+                    "lo": 775717078247050621
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 670029322906592385
-                        "lo": 988200181151760342
+                        "lo": 134147434014150044
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 487773628510502581
-                        "lo": 80245571697750329
+                        "lo": 775717078247050621
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 571684033398330770
-                    "lo": 281600228139721946
+                    "lo": 322584028692983325
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 670029322906592385
-                                  "lo": 988200181151760342
+                                  "lo": 134147434014150044
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 487773628510502581
-                                  "lo": 80245571697750329
+                                  "lo": 775717078247050621
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 571684033398330770
-                                  "lo": 281600228139721946
+                                  "lo": 322584028692983325
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 670029322906592385
-                          "lo": 988200181151760342
+                          "lo": 134147434014150044
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 487773628510502581
-                          "lo": 80245571697750329
+                          "lo": 775717078247050621
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.83.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.83.json
index 50b3a625..88d941a6 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.83.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.83.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 384517480515070575
-                    "lo": 516793190460263436
+                    "lo": 577739840858227938
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 255224052380320305
-                    "lo": 346944910888289649
+                    "lo": 344709099560833623
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 384517480515070575
-                    "lo": 516793190460263436
+                    "lo": 577739840858227938
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 255224052380320305
-                    "lo": 346944910888289649
+                    "lo": 344709099560833623
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 384517480515070575
-                        "lo": 516793190460263436
+                        "lo": 577739840858227938
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 255224052380320305
-                        "lo": 346944910888289649
+                        "lo": 344709099560833623
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 313270026635372769
-                    "lo": 423436851740505691
+                    "lo": 446264697598475816
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 384517480515070575
-                                  "lo": 516793190460263436
+                                  "lo": 577739840858227938
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 255224052380320305
-                                  "lo": 346944910888289649
+                                  "lo": 344709099560833623
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 313270026635372769
-                                  "lo": 423436851740505691
+                                  "lo": 446264697598475816
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 384517480515070575
-                          "lo": 516793190460263436
+                          "lo": 577739840858227938
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 255224052380320305
-                          "lo": 346944910888289649
+                          "lo": 344709099560833623
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.84.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.84.json
index 6c37f348..b04a0c75 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.84.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.84.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 352937274803333803
-                    "lo": 74287108401642228
+                    "lo": 263155320001421460
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 466981963628304551
-                    "lo": 943293016189873108
+                    "lo": 125330424620097148
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 352937274803333803
-                    "lo": 74287108401642228
+                    "lo": 263155320001421460
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 466981963628304551
-                    "lo": 943293016189873108
+                    "lo": 125330424620097148
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 352937274803333803
-                        "lo": 74287108401642228
+                        "lo": 263155320001421460
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 466981963628304551
-                        "lo": 943293016189873108
+                        "lo": 125330424620097148
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 144475302758366330
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 13476099914066125
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 405974557854655904
-                    "lo": 264715905355551238
+                    "lo": 181607731104200780
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 352937274803333803
-                                  "lo": 87763208315708353
+                                  "lo": 263155320001421460
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 466981963628304551
-                                  "lo": 798817713431506778
+                                  "lo": 125330424620097148
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 405974557854655904
-                                  "lo": 264715905355551238
+                                  "lo": 181607731104200780
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 352937274803333803
-                          "lo": 87763208315708353
+                          "lo": 263155320001421460
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13093035752666830643
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 466981963628304551
-                          "lo": 798817713431506778
+                          "lo": 125330424620097148
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13250987155339263098
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.85.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.85.json
index 91057841..fe37c261 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.85.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.85.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 859199180947967945
-                    "lo": 256171428789816669
+                    "lo": 274824422592165419
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 408528330497926688
-                    "lo": 895565469012139235
+                    "lo": 760357986210518007
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 859199180947967945
-                    "lo": 256171428789816669
+                    "lo": 274824422592165419
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 408528330497926688
-                    "lo": 895565469012139235
+                    "lo": 760357986210518007
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 859199180947967945
-                        "lo": 256171428789816669
+                        "lo": 274824422592165419
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 408528330497926688
-                        "lo": 895565469012139235
+                        "lo": 760357986210518007
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 592458612021008066
-                    "lo": 478976289362701118
+                    "lo": 457126836363440039
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 859199180947967945
-                                  "lo": 256171428789816669
+                                  "lo": 274824422592165419
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 408528330497926688
-                                  "lo": 895565469012139235
+                                  "lo": 760357986210518007
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 592458612021008066
-                                  "lo": 478976289362701118
+                                  "lo": 457126836363440039
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 859199180947967945
-                          "lo": 256171428789816669
+                          "lo": 274824422592165419
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 408528330497926688
-                          "lo": 895565469012139235
+                          "lo": 760357986210518007
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.86.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.86.json
index 5e04e90e..738b4fae 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.86.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.86.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 89888553960456276
-                    "lo": 823405572968200775
+                    "lo": 274282716089448126
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 476764580967144942
-                    "lo": 202514547584159632
+                    "lo": 878524030022212176
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 89888553960456276
-                    "lo": 823405572968200775
+                    "lo": 274282716089448126
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 476764580967144942
-                    "lo": 202514547584159632
+                    "lo": 878524030022212176
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 89888553960456276
-                        "lo": 823405572968200775
+                        "lo": 274282716089448126
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 476764580967144942
-                        "lo": 202514547584159632
+                        "lo": 878524030022212176
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 98527090586106359
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 23485527600202769
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 207016131648476934
-                    "lo": 408352307557984692
+                    "lo": 490880797245461847
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 113374081560659045
-                                  "lo": 823405572968200775
+                                  "lo": 274282716089448126
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 378237490381038583
-                                  "lo": 202514547584159632
+                                  "lo": 878524030022212176
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 207016131648476934
-                                  "lo": 408352307557984692
+                                  "lo": 490880797245461847
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -847,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 113374081560659045
-                          "lo": 823405572968200775
+                          "lo": 274282716089448126
                         }
                       }
                     },
@@ -994,7 +940,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13083026324980693999
                           "lo": 13106511852580896768
                         }
                       }
@@ -1180,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 378237490381038583
-                          "lo": 202514547584159632
+                          "lo": 878524030022212176
                         }
                       }
                     },
@@ -1327,7 +1271,6 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13205038943167003127
                           "lo": 13106511852580896768
                         }
                       }
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.87.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.87.json
index 2dca6682..3e7a4429 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.87.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.87.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 831674084724154350
-                    "lo": 968960387314033124
+                    "lo": 890544897388853051
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 671892821475297293
-                    "lo": 592311595312016544
+                    "lo": 303077465242664365
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 831674084724154350
-                    "lo": 968960387314033124
+                    "lo": 890544897388853051
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 671892821475297293
-                    "lo": 592311595312016544
+                    "lo": 303077465242664365
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 831674084724154350
-                        "lo": 968960387314033124
+                        "lo": 890544897388853051
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 671892821475297293
-                        "lo": 592311595312016544
+                        "lo": 303077465242664365
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 747526486041262295
-                    "lo": 757579350830079315
+                    "lo": 519522944811297255
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 831674084724154350
-                                  "lo": 968960387314033124
+                                  "lo": 890544897388853051
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 671892821475297293
-                                  "lo": 592311595312016544
+                                  "lo": 303077465242664365
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 747526486041262295
-                                  "lo": 757579350830079315
+                                  "lo": 519522944811297255
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 831674084724154350
-                          "lo": 968960387314033124
+                          "lo": 890544897388853051
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 671892821475297293
-                          "lo": 592311595312016544
+                          "lo": 303077465242664365
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.88.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.88.json
index 6af5e25b..9cc13fd1 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.88.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.88.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 646276203464374762
-                    "lo": 589490538974359177
+                    "lo": 441226144118922178
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 246989855025995735
-                    "lo": 991723930366596449
+                    "lo": 756853297302604251
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 646276203464374762
-                    "lo": 589490538974359177
+                    "lo": 441226144118922178
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 246989855025995735
-                    "lo": 991723930366596449
+                    "lo": 756853297302604251
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 646276203464374762
-                        "lo": 589490538974359177
+                        "lo": 441226144118922178
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 246989855025995735
-                        "lo": 991723930366596449
+                        "lo": 756853297302604251
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 399529305308655481
-                    "lo": 764599159184454498
+                    "lo": 577878414575696292
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 646276203464374762
-                                  "lo": 589490538974359177
+                                  "lo": 441226144118922178
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 246989855025995735
-                                  "lo": 991723930366596449
+                                  "lo": 756853297302604251
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 399529305308655481
-                                  "lo": 764599159184454498
+                                  "lo": 577878414575696292
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 646276203464374762
-                          "lo": 589490538974359177
+                          "lo": 441226144118922178
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 246989855025995735
-                          "lo": 991723930366596449
+                          "lo": 756853297302604251
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.89.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.89.json
index aa109768..c9ba2fc2 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.89.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.89.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 732964768295910843
-                    "lo": 186900037936820220
+                    "lo": 821020432407692531
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 503725626546480540
-                    "lo": 430477697700575458
+                    "lo": 471680407194560163
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 732964768295910843
-                    "lo": 186900037936820220
+                    "lo": 821020432407692531
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 503725626546480540
-                    "lo": 430477697700575458
+                    "lo": 471680407194560163
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 732964768295910843
-                        "lo": 186900037936820220
+                        "lo": 821020432407692531
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 503725626546480540
-                        "lo": 430477697700575458
+                        "lo": 471680407194560163
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 607629111503352532
-                    "lo": 283648194126443504
+                    "lo": 622301576306146176
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 732964768295910843
-                                  "lo": 186900037936820220
+                                  "lo": 821020432407692531
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 503725626546480540
-                                  "lo": 430477697700575458
+                                  "lo": 471680407194560163
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 607629111503352532
-                                  "lo": 283648194126443504
+                                  "lo": 622301576306146176
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 732964768295910843
-                          "lo": 186900037936820220
+                          "lo": 821020432407692531
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 503725626546480540
-                          "lo": 430477697700575458
+                          "lo": 471680407194560163
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.9.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.9.json
index ae89e729..621fc8cf 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.9.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.9.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 374824315696153584
-                    "lo": 784016614110639676
+                    "lo": 125235153917703239
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 304740549852665170
-                    "lo": 81720665509184553
+                    "lo": 937514026879815573
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 374824315696153584
-                    "lo": 784016614110639676
+                    "lo": 125235153917703239
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 304740549852665170
-                    "lo": 81720665509184553
+                    "lo": 937514026879815573
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 374824315696153584
-                        "lo": 784016614110639676
+                        "lo": 125235153917703239
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 304740549852665170
-                        "lo": 81720665509184553
+                        "lo": 937514026879815573
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 337970661542381218
-                    "lo": 253121234738176415
+                    "lo": 342651008252273314
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 374824315696153584
-                                  "lo": 784016614110639676
+                                  "lo": 125235153917703239
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 304740549852665170
-                                  "lo": 81720665509184553
+                                  "lo": 937514026879815573
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 337970661542381218
-                                  "lo": 253121234738176415
+                                  "lo": 342651008252273314
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 374824315696153584
-                          "lo": 784016614110639676
+                          "lo": 125235153917703239
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 304740549852665170
-                          "lo": 81720665509184553
+                          "lo": 937514026879815573
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.90.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.90.json
index d68fefe0..da10a569 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.90.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.90.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 646516864732864840
-                    "lo": 67126273841858539
+                    "lo": 403580623232800040
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 803824166431877905
-                    "lo": 493715164272247026
+                    "lo": 678840637853078940
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 646516864732864840
-                    "lo": 67126273841858539
+                    "lo": 403580623232800040
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 803824166431877905
-                    "lo": 493715164272247026
+                    "lo": 678840637853078940
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 646516864732864840
-                        "lo": 67126273841858539
+                        "lo": 403580623232800040
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 803824166431877905
-                        "lo": 493715164272247026
+                        "lo": 678840637853078940
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 9268443543811363
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 79327902968031986
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 720892419073779858
-                    "lo": 182047409530641295
+                    "lo": 523418501488528879
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 646516864732864840
-                                  "lo": 57857830298047176
+                                  "lo": 403580623232800040
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 803824166431877905
-                                  "lo": 573043067240279012
+                                  "lo": 678840637853078940
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 720892419073779858
-                                  "lo": 182047409530641295
+                                  "lo": 523418501488528879
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 646516864732864840
-                          "lo": 57857830298047176
+                          "lo": 403580623232800040
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13115780296124708131
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 803824166431877905
-                          "lo": 573043067240279012
+                          "lo": 678840637853078940
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13027183949612864782
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.91.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.91.json
index dfe9e56c..f8e34a92 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.91.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.91.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 809797986742909879
-                    "lo": 407221865129153590
+                    "lo": 517028097349960
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 865513545505692305
-                    "lo": 330478179617400099
+                    "lo": 407642097610722113
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 809797986742909879
-                    "lo": 407221865129153590
+                    "lo": 517028097349960
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 865513545505692305
-                    "lo": 330478179617400099
+                    "lo": 407642097610722113
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 809797986742909879
-                        "lo": 407221865129153590
+                        "lo": 517028097349960
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 865513545505692305
-                        "lo": 330478179617400099
+                        "lo": 407642097610722113
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": true
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 157384301897303
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 178925693468262265
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 837192407185604821
-                    "lo": 366848661832485219
+                    "lo": 14517658837685170
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 809797986742909879
-                                  "lo": 407221865129153590
+                                  "lo": 359643795452657
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 865513545505692305
-                                  "lo": 330478179617400099
+                                  "lo": 586567791078984378
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 837192407185604821
-                                  "lo": 366848661832485219
+                                  "lo": 14517658837685170
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 809797986742909879
-                          "lo": 407221865129153590
+                          "lo": 359643795452657
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13106669236882794071
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 865513545505692305
-                          "lo": 330478179617400099
+                          "lo": 586567791078984378
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 12927586159112634503
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.92.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.92.json
index b97a1e68..a02cff89 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.92.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.92.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 989572725149068250
-                    "lo": 845056193047835187
+                    "lo": 578854229441065250
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 730165390233802900
-                    "lo": 37554500055056124
+                    "lo": 93291503283947398
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 989572725149068250
-                    "lo": 845056193047835187
+                    "lo": 578854229441065250
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 730165390233802900
-                    "lo": 37554500055056124
+                    "lo": 93291503283947398
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 989572725149068250
-                        "lo": 845056193047835187
+                        "lo": 578854229441065250
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 730165390233802900
-                        "lo": 37554500055056124
+                        "lo": 93291503283947398
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1035564265965059
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 24035290376473673
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 850030443586108979
-                    "lo": 178145061251611589
+                    "lo": 232383694020961761
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 989572725149068250
-                                  "lo": 869091483424308860
+                                  "lo": 578854229441065250
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 730165390233802900
-                                  "lo": 36518935789091065
+                                  "lo": 93291503283947398
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 850030443586108979
-                                  "lo": 178145061251611589
+                                  "lo": 232383694020961761
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 989572725149068250
-                          "lo": 869091483424308860
+                          "lo": 578854229441065250
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13082476562204423095
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 730165390233802900
-                          "lo": 36518935789091065
+                          "lo": 93291503283947398
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13107547416846861827
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.93.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.93.json
index 2b7bff09..08a3a1eb 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.93.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.93.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 155505385963429642
-                    "lo": 812027340330553471
+                    "lo": 357425327530655549
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 518195360154788385
-                    "lo": 344411866801715212
+                    "lo": 160228328555987059
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 155505385963429642
-                    "lo": 812027340330553471
+                    "lo": 357425327530655549
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 518195360154788385
-                    "lo": 344411866801715212
+                    "lo": 160228328555987059
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 155505385963429642
-                        "lo": 812027340330553471
+                        "lo": 357425327530655549
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 518195360154788385
-                        "lo": 344411866801715212
+                        "lo": 160228328555987059
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 283869986940022945
-                    "lo": 528840100765134535
+                    "lo": 239310807975346495
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 155505385963429642
-                                  "lo": 812027340330553471
+                                  "lo": 357425327530655549
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 518195360154788385
-                                  "lo": 344411866801715212
+                                  "lo": 160228328555987059
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 283869986940022945
-                                  "lo": 528840100765134535
+                                  "lo": 239310807975346495
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 155505385963429642
-                          "lo": 812027340330553471
+                          "lo": 357425327530655549
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 518195360154788385
-                          "lo": 344411866801715212
+                          "lo": 160228328555987059
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.94.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.94.json
index 6288eba6..ebaa0f00 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.94.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.94.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 30700418419057332
-                    "lo": 161075798427376185
+                    "lo": 831183670034669442
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 35503436451411531
-                    "lo": 904001500673570686
+                    "lo": 366134648357320527
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 30700418419057332
-                    "lo": 161075798427376185
+                    "lo": 831183670034669442
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 35503436451411531
-                    "lo": 904001500673570686
+                    "lo": 366134648357320527
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 30700418419057332
-                        "lo": 161075798427376185
+                        "lo": 831183670034669442
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 35503436451411531
-                        "lo": 904001500673570686
+                        "lo": 366134648357320527
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": false
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 12945197295093427
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 17670653600410648
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 33014699065306441
-                    "lo": 381592404930367617
+                    "lo": 551656723650216041
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 48371072019467980
-                                  "lo": 161075798427376185
+                                  "lo": 831183670034669442
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 22558239156318104
-                                  "lo": 904001500673570686
+                                  "lo": 366134648357320527
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 33014699065306441
-                                  "lo": 381592404930367617
+                                  "lo": 551656723650216041
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 48371072019467980
-                          "lo": 161075798427376185
+                          "lo": 831183670034669442
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13088841198980486120
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 22558239156318104
-                          "lo": 904001500673570686
+                          "lo": 366134648357320527
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13119457049875990195
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.95.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.95.json
index 59bb74df..17120ac2 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.95.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.95.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 397815222304489818
-                    "lo": 478486229481350903
+                    "lo": 558706183500599556
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 242250977812301352
-                    "lo": 989431091736974590
+                    "lo": 192133398120073653
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 397815222304489818
-                    "lo": 478486229481350903
+                    "lo": 558706183500599556
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 242250977812301352
-                    "lo": 989431091736974590
+                    "lo": 192133398120073653
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 397815222304489818
-                        "lo": 478486229481350903
+                        "lo": 558706183500599556
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 242250977812301352
-                        "lo": 989431091736974590
+                        "lo": 192133398120073653
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 310436992950068199
-                    "lo": 688061881240954650
+                    "lo": 327637173694725336
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 397815222304489818
-                                  "lo": 478486229481350903
+                                  "lo": 558706183500599556
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 242250977812301352
-                                  "lo": 989431091736974590
+                                  "lo": 192133398120073653
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 310436992950068199
-                                  "lo": 688061881240954650
+                                  "lo": 327637173694725336
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 397815222304489818
-                          "lo": 478486229481350903
+                          "lo": 558706183500599556
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 242250977812301352
-                          "lo": 989431091736974590
+                          "lo": 192133398120073653
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.96.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.96.json
index cace2196..9b912c1c 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.96.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.96.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 276468562356045880
-                    "lo": 259717973309477146
+                    "lo": 942314023654937183
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 431851398724040295
-                    "lo": 444674686861325772
+                    "lo": 845678265777760830
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 276468562356045880
-                    "lo": 259717973309477146
+                    "lo": 942314023654937183
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 431851398724040295
-                    "lo": 444674686861325772
+                    "lo": 845678265777760830
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 276468562356045880
-                        "lo": 259717973309477146
+                        "lo": 942314023654937183
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 431851398724040295
-                        "lo": 444674686861325772
+                        "lo": 845678265777760830
                       }
                     }
                   ]
@@ -228,6 +222,65 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+              "function_name": "swap",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                },
+                {
+                  "bool": false
+                },
+                {
+                  "i128": {
+                    "hi": 0,
+                    "lo": 12017171020547510
+                  }
+                },
+                {
+                  "i128": {
+                    "hi": 2,
+                    "lo": 13106511852580896768
+                  }
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CBEPDNVYXQGWB5YUBXKJWYJA7OXTZW5LFLNO5JRRGE6Z6C5OSUZPCCEL",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": {
+                        "hi": 0,
+                        "lo": 13624268803340284
+                      }
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ],
+    [],
     []
   ],
   "ledger": {
@@ -532,8 +585,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 345533407005289383
-                    "lo": 339838209231466370
+                    "lo": 892689469716413296
                   }
                 }
               }
@@ -582,7 +634,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +650,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +709,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 276468562356045880
-                                  "lo": 259717973309477146
+                                  "lo": 955938292458277467
                                 }
                               }
                             },
@@ -665,8 +720,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 431851398724040295
-                                  "lo": 444674686861325772
+                                  "lo": 833661094757213320
                                 }
                               }
                             },
@@ -693,13 +747,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 345533407005289383
-                                  "lo": 339838209231466370
+                                  "lo": 892689469716413296
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -744,6 +809,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 6277191135259896685
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 6277191135259896685
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -788,8 +886,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 276468562356045880
-                          "lo": 259717973309477146
+                          "lo": 955938292458277467
                         }
                       }
                     },
@@ -935,7 +1032,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13092887583777556484
                         }
                       }
                     },
@@ -1120,8 +1217,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 431851398724040295
-                          "lo": 444674686861325772
+                          "lo": 833661094757213320
                         }
                       }
                     },
@@ -1267,7 +1363,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13106511852580896768
+                          "lo": 13118529023601444278
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.97.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.97.json
index ec9efe9a..f94fa1f7 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.97.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.97.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 906381023448444390
-                    "lo": 155120019766827886
+                    "lo": 519003789073837521
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 401407430792568170
-                    "lo": 628327657612073484
+                    "lo": 779814224253371693
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 906381023448444390
-                    "lo": 155120019766827886
+                    "lo": 519003789073837521
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 401407430792568170
-                    "lo": 628327657612073484
+                    "lo": 779814224253371693
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 906381023448444390
-                        "lo": 155120019766827886
+                        "lo": 519003789073837521
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 401407430792568170
-                        "lo": 628327657612073484
+                        "lo": 779814224253371693
                       }
                     }
                   ]
@@ -228,65 +222,6 @@
         }
       ]
     ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
-              "function_name": "swap",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "bool": true
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 23062107341336876
-                  }
-                },
-                {
-                  "i128": {
-                    "hi": 2,
-                    "lo": 13106511852580896768
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": [
-            {
-              "function": {
-                "contract_fn": {
-                  "contract_address": "CBUSYNQKASUYFWYC3M2GUEDMX4AIVWPALDBYJPNK6554BREHTGZ2IUNF",
-                  "function_name": "transfer",
-                  "args": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                    },
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 110059004459110180
-                      }
-                    }
-                  ]
-                }
-              },
-              "sub_invocations": []
-            }
-          ]
-        }
-      ]
-    ],
-    [],
     []
   ],
   "ledger": {
@@ -591,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 603181629313740414
-                    "lo": 312195769780484858
+                    "lo": 636181214090116900
                   }
                 }
               }
@@ -641,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -657,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 906381023448444390
-                                  "lo": 132057912425491010
+                                  "lo": 519003789073837521
                                 }
                               }
                             },
@@ -724,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 401407430792568170
-                                  "lo": 738386662071183664
+                                  "lo": 779814224253371693
                                 }
                               }
                             },
@@ -752,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 603181629313740414
-                                  "lo": 312195769780484858
+                                  "lo": 636181214090116900
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -803,39 +750,6 @@
           6311999
         ]
       ],
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-            "key": {
-              "ledger_key_nonce": {
-                "nonce": 6277191135259896685
-              }
-            },
-            "durability": "temporary"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
-                "key": {
-                  "ledger_key_nonce": {
-                    "nonce": 6277191135259896685
-                  }
-                },
-                "durability": "temporary",
-                "val": "void"
-              }
-            },
-            "ext": "v0"
-          },
-          6311999
-        ]
-      ],
       [
         {
           "contract_data": {
@@ -880,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 906381023448444390
-                          "lo": 132057912425491010
+                          "lo": 519003789073837521
                         }
                       }
                     },
@@ -1027,7 +940,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 13129573959922233644
+                          "lo": 13106511852580896768
                         }
                       }
                     },
@@ -1212,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 401407430792568170
-                          "lo": 738386662071183664
+                          "lo": 779814224253371693
                         }
                       }
                     },
@@ -1359,7 +1271,7 @@
                       "val": {
                         "i128": {
                           "hi": 2,
-                          "lo": 12996452848121786588
+                          "lo": 13106511852580896768
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.98.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.98.json
index feedeb30..09a7aa03 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.98.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.98.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 312041917894601439
-                    "lo": 311506344548643120
+                    "lo": 262483854644702100
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 814491630648341539
-                    "lo": 347421479489749909
+                    "lo": 350490663970076149
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 312041917894601439
-                    "lo": 311506344548643120
+                    "lo": 262483854644702100
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 814491630648341539
-                    "lo": 347421479489749909
+                    "lo": 350490663970076149
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 312041917894601439
-                        "lo": 311506344548643120
+                        "lo": 262483854644702100
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 814491630648341539
-                        "lo": 347421479489749909
+                        "lo": 350490663970076149
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 504138404147719965
-                    "lo": 328974155662011516
+                    "lo": 303311952444750510
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 312041917894601439
-                                  "lo": 311506344548643120
+                                  "lo": 262483854644702100
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 814491630648341539
-                                  "lo": 347421479489749909
+                                  "lo": 350490663970076149
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 504138404147719965
-                                  "lo": 328974155662011516
+                                  "lo": 303311952444750510
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 312041917894601439
-                          "lo": 311506344548643120
+                          "lo": 262483854644702100
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 814491630648341539
-                          "lo": 347421479489749909
+                          "lo": 350490663970076149
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.99.json b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.99.json
index 172b1499..d60c36aa 100644
--- a/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.99.json
+++ b/contracts/liquidity_pool/test_snapshots/fuzz_test/test_swap_invariant.99.json
@@ -59,8 +59,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 505301472815841035
-                    "lo": 151249410947329831
+                    "lo": 710877221296491459
                   }
                 }
               ]
@@ -85,8 +84,7 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 695089030576034613
-                    "lo": 959977183585164915
+                    "lo": 641026238634841656
                   }
                 }
               ]
@@ -111,15 +109,13 @@
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 505301472815841035
-                    "lo": 151249410947329831
+                    "lo": 710877221296491459
                   }
                 },
                 {
                   "i128": {
                     "hi": 0,
-                    "lo": 695089030576034613
-                    "lo": 959977183585164915
+                    "lo": 641026238634841656
                   }
                 }
               ]
@@ -141,8 +137,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 505301472815841035
-                        "lo": 151249410947329831
+                        "lo": 710877221296491459
                       }
                     }
                   ]
@@ -165,8 +160,7 @@
                     {
                       "i128": {
                         "hi": 0,
-                        "lo": 695089030576034613
-                        "lo": 959977183585164915
+                        "lo": 641026238634841656
                       }
                     }
                   ]
@@ -532,8 +526,7 @@
                 "val": {
                   "i128": {
                     "hi": 0,
-                    "lo": 592646193684060922
-                    "lo": 381045907391921611
+                    "lo": 675048851046261595
                   }
                 }
               }
@@ -582,7 +575,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -598,12 +591,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -653,8 +650,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 505301472815841035
-                                  "lo": 151249410947329831
+                                  "lo": 710877221296491459
                                 }
                               }
                             },
@@ -665,8 +661,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 695089030576034613
-                                  "lo": 959977183585164915
+                                  "lo": 641026238634841656
                                 }
                               }
                             },
@@ -693,13 +688,24 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 592646193684060922
-                                  "lo": 381045907391921611
+                                  "lo": 675048851046261595
                                 }
                               }
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -788,8 +794,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 505301472815841035
-                          "lo": 151249410947329831
+                          "lo": 710877221296491459
                         }
                       }
                     },
@@ -1120,8 +1125,7 @@
                       "val": {
                         "i128": {
                           "hi": 0,
-                          "lo": 695089030576034613
-                          "lo": 959977183585164915
+                          "lo": 641026238634841656
                         }
                       }
                     },
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_approve.1.json b/contracts/liquidity_pool/test_snapshots/test/test_approve.1.json
index e1388df9..3f8b2583 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_approve.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_approve.1.json
@@ -555,7 +555,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -571,12 +571,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -670,6 +674,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_approve_expired.1.json b/contracts/liquidity_pool/test_snapshots/test/test_approve_expired.1.json
index af70bd42..17b27cc7 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_approve_expired.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_approve_expired.1.json
@@ -523,7 +523,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -539,12 +539,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -638,6 +642,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_basic_flow.1.json b/contracts/liquidity_pool/test_snapshots/test/test_basic_flow.1.json
index dbdc9309..9b11af04 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_basic_flow.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_basic_flow.1.json
@@ -527,7 +527,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -543,12 +543,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -642,6 +646,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_burn.1.json b/contracts/liquidity_pool/test_snapshots/test/test_burn.1.json
index 1bf7fee1..98761e48 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_burn.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_burn.1.json
@@ -421,7 +421,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -437,12 +437,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -536,6 +540,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_burn_insufficient_shares.1.json b/contracts/liquidity_pool/test_snapshots/test/test_burn_insufficient_shares.1.json
index 180c2ee2..5fe43bfb 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_burn_insufficient_shares.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_burn_insufficient_shares.1.json
@@ -393,7 +393,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -409,12 +409,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -508,6 +512,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_deposit_when_paused.1.json b/contracts/liquidity_pool/test_snapshots/test/test_deposit_when_paused.1.json
index 4d5fd961..174ea1f3 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_deposit_when_paused.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_deposit_when_paused.1.json
@@ -94,6 +94,31 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "set_operation_paused",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "u32": 2
+                },
+                {
+                  "bool": true
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -292,7 +317,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -308,24 +333,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardPauseState"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 2
-                        }
-                      },
-                      {
-                        "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "u32": 2
                             }
                           ]
-                        },
-                        "val": {
-                          "u32": 1
                         }
                       },
                       {
@@ -419,6 +436,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -496,6 +525,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 4270020994084947596
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 4270020994084947596
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_deposit_zero_amount.1.json b/contracts/liquidity_pool/test_snapshots/test/test_deposit_zero_amount.1.json
index 16d587fe..ca3b963f 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_deposit_zero_amount.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_deposit_zero_amount.1.json
@@ -632,7 +632,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -648,12 +648,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -747,6 +751,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_double_initialization.1.json b/contracts/liquidity_pool/test_snapshots/test/test_double_initialization.1.json
index 56819b41..124d1f41 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_double_initialization.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_double_initialization.1.json
@@ -217,7 +217,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -233,12 +233,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -332,6 +336,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_events.1.json b/contracts/liquidity_pool/test_snapshots/test/test_events.1.json
index 7dfe7c16..498a53e8 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_events.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_events.1.json
@@ -525,7 +525,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -541,12 +541,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -640,6 +644,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_get_fee_default.1.json b/contracts/liquidity_pool/test_snapshots/test/test_get_fee_default.1.json
index 56819b41..124d1f41 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_get_fee_default.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_get_fee_default.1.json
@@ -217,7 +217,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -233,12 +233,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -332,6 +336,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_pause_and_unpause.1.json b/contracts/liquidity_pool/test_snapshots/test/test_pause_and_unpause.1.json
index 2a64648d..e3e89633 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_pause_and_unpause.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_pause_and_unpause.1.json
@@ -172,6 +172,84 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "set_operation_paused",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "u32": 2
+                },
+                {
+                  "bool": true
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "set_operation_paused",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "u32": 2
+                },
+                {
+                  "bool": false
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "guard_pause",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "u32": 2
+                },
+                {
+                  "bool": true
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [],
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -186,6 +264,31 @@
                 },
                 {
                   "u32": 2
+                },
+                {
+                  "bool": false
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "guard_pause",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
                   "u32": 3
                 },
                 {
@@ -209,7 +312,6 @@
             "contract_fn": {
               "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
               "function_name": "guard_pause",
-              "function_name": "guard_unpause",
               "args": [
                 {
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
@@ -577,7 +679,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -593,24 +695,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardPauseState"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
-                        }
-                      },
-                      {
-                        "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "u32": 1
                             }
                           ]
-                        },
-                        "val": {
-                          "u32": 1
                         }
                       },
                       {
@@ -704,6 +798,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -715,6 +821,39 @@
           4095
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 115220454072064130
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 115220454072064130
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -748,6 +887,105 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 1194852393571756375
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 1194852393571756375
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 1301173170172112462
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 1301173170172112462
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 3126073502131104533
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 3126073502131104533
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
@@ -919,7 +1157,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 1194852393571756375
+                "nonce": 2032731177588607455
               }
             },
             "durability": "temporary"
@@ -934,7 +1172,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 1194852393571756375
+                    "nonce": 2032731177588607455
                   }
                 },
                 "durability": "temporary",
@@ -952,7 +1190,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 2032731177588607455
+                "nonce": 6517132746326325848
               }
             },
             "durability": "temporary"
@@ -967,7 +1205,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 2032731177588607455
+                    "nonce": 6517132746326325848
                   }
                 },
                 "durability": "temporary",
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_set_fee_above_max.1.json b/contracts/liquidity_pool/test_snapshots/test/test_set_fee_above_max.1.json
index 56819b41..124d1f41 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_set_fee_above_max.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_set_fee_above_max.1.json
@@ -217,7 +217,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -233,12 +233,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -332,6 +336,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_set_fee_valid.1.json b/contracts/liquidity_pool/test_snapshots/test/test_set_fee_valid.1.json
index 1dba91c3..472fb2dc 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_set_fee_valid.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_set_fee_valid.1.json
@@ -285,7 +285,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -301,12 +301,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -334,7 +338,7 @@
                               "val": {
                                 "i128": {
                                   "hi": 0,
-                                  "lo": 100
+                                  "lo": 30
                                 }
                               }
                             },
@@ -400,6 +404,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_swap_insufficient_liquidity.1.json b/contracts/liquidity_pool/test_snapshots/test/test_swap_insufficient_liquidity.1.json
index 180c2ee2..5fe43bfb 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_swap_insufficient_liquidity.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_swap_insufficient_liquidity.1.json
@@ -393,7 +393,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -409,12 +409,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -508,6 +512,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_swap_slippage_exceeded.1.json b/contracts/liquidity_pool/test_snapshots/test/test_swap_slippage_exceeded.1.json
index 180c2ee2..5fe43bfb 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_swap_slippage_exceeded.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_swap_slippage_exceeded.1.json
@@ -393,7 +393,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -409,12 +409,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -508,6 +512,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_swap_when_paused.1.json b/contracts/liquidity_pool/test_snapshots/test/test_swap_when_paused.1.json
index 5e7a430e..4902f7ce 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_swap_when_paused.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_swap_when_paused.1.json
@@ -172,6 +172,31 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "set_operation_paused",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "u32": 1
+                },
+                {
+                  "bool": true
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -418,7 +443,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -434,24 +459,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardPauseState"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
-                        }
-                      },
-                      {
-                        "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "u32": 1
                             }
                           ]
-                        },
-                        "val": {
-                          "u32": 1
                         }
                       },
                       {
@@ -545,6 +562,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -655,6 +684,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 8370022561469687789
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 8370022561469687789
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_token_interface.1.json b/contracts/liquidity_pool/test_snapshots/test/test_token_interface.1.json
index 0fcc5d3a..82e3c019 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_token_interface.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_token_interface.1.json
@@ -399,7 +399,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -415,12 +415,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -514,6 +518,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_transfer.1.json b/contracts/liquidity_pool/test_snapshots/test/test_transfer.1.json
index 30004334..40cf42d1 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_transfer.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_transfer.1.json
@@ -471,7 +471,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -487,12 +487,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -586,6 +590,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_transfer_from.1.json b/contracts/liquidity_pool/test_snapshots/test/test_transfer_from.1.json
index 4c141b5f..daf7bf52 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_transfer_from.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_transfer_from.1.json
@@ -597,7 +597,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -613,12 +613,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -712,6 +716,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_transfer_from_insufficient_allowance.1.json b/contracts/liquidity_pool/test_snapshots/test/test_transfer_from_insufficient_allowance.1.json
index aceebf1b..9c89c8d0 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_transfer_from_insufficient_allowance.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_transfer_from_insufficient_allowance.1.json
@@ -523,7 +523,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -539,12 +539,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -638,6 +642,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_transfer_from_insufficient_balance.1.json b/contracts/liquidity_pool/test_snapshots/test/test_transfer_from_insufficient_balance.1.json
index 72cabf77..315dca7d 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_transfer_from_insufficient_balance.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_transfer_from_insufficient_balance.1.json
@@ -523,7 +523,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -539,12 +539,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -638,6 +642,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_transfer_insufficient_balance.1.json b/contracts/liquidity_pool/test_snapshots/test/test_transfer_insufficient_balance.1.json
index 0ec07f8f..bcfce371 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_transfer_insufficient_balance.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_transfer_insufficient_balance.1.json
@@ -393,7 +393,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -409,12 +409,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -508,6 +512,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_withdraw_insufficient_shares.1.json b/contracts/liquidity_pool/test_snapshots/test/test_withdraw_insufficient_shares.1.json
index 180c2ee2..5fe43bfb 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_withdraw_insufficient_shares.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_withdraw_insufficient_shares.1.json
@@ -393,7 +393,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -409,12 +409,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 1
+                          "vec": [
+                            {
+                              "u32": 0
+                            }
+                          ]
                         }
                       },
                       {
@@ -508,6 +512,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
diff --git a/contracts/liquidity_pool/test_snapshots/test/test_withdraw_when_paused.1.json b/contracts/liquidity_pool/test_snapshots/test/test_withdraw_when_paused.1.json
index e8f917a5..f9327fa6 100644
--- a/contracts/liquidity_pool/test_snapshots/test/test_withdraw_when_paused.1.json
+++ b/contracts/liquidity_pool/test_snapshots/test/test_withdraw_when_paused.1.json
@@ -172,6 +172,31 @@
         }
       ]
     ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "set_operation_paused",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "u32": 4
+                },
+                {
+                  "bool": true
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -418,7 +443,7 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardAdmins"
+                              "symbol": "Admins"
                             }
                           ]
                         },
@@ -434,24 +459,16 @@
                         "key": {
                           "vec": [
                             {
-                              "symbol": "GuardPauseState"
+                              "symbol": "PauseState"
                             }
                           ]
                         },
                         "val": {
-                          "u32": 4
-                        }
-                      },
-                      {
-                        "key": {
                           "vec": [
                             {
-                              "symbol": "GuardThreshold"
+                              "u32": 4
                             }
                           ]
-                        },
-                        "val": {
-                          "u32": 1
                         }
                       },
                       {
@@ -545,6 +562,18 @@
                             }
                           ]
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "SignatureThreshold"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u32": 1
+                        }
                       }
                     ]
                   }
@@ -655,6 +684,39 @@
           6311999
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": 8370022561469687789
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": 8370022561469687789
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
       [
         {
           "contract_data": {

From eb7b946d191d4ecca859e5f89b98bcaa3577058e Mon Sep 17 00:00:00 2001
From: Gift Amadi <120387225+giftexceed@users.noreply.github.com>
Date: Tue, 28 Jul 2026 14:52:32 +0000
Subject: [PATCH 3/3] feature(cpu-heavy-guard): return contract errors instead
 of host budget panics
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The benchmark contract guarded its inputs with bare `panic!("...")` calls, so
an oversized argument reached the caller as an opaque `UnreachableCodeReached`
VM trap naming neither the offending argument nor the limit it broke. Replace
the panics with a `#[contracterror] enum Error` and `Result` returns so each
guard reports a distinct, decodable code.

The caps themselves were also wrong. Measured against the release WASM build
with the default network budget (100M CPU instructions / 40MB memory),
`bubble_sort` is quadratic in host `Vec::get`/`Vec::set` calls and exceeds the
budget outright at 150 elements (136.8M CPU) — so the advertised cap of 300
(573.4M CPU) was never reachable and hitting it produced exactly the budget
panic the guard was supposed to prevent. Lower `MAX_SORT` to 100, verified at
60.1M CPU / 24% memory. The remaining caps measure well inside budget and are
unchanged; all figures are recorded alongside the constants.

Also:
- Guard `nested_loop_burn` overflow: `saturating_mul` already prevented a
  caller from wrapping `outer * inner` past the cap, now covered by a test.
- Fix `bubble_sort` underflow on `n - i - 1` for empty/single-element lists.
- Expose the caps as public constants and document them in a new README.
- Add cpu_heavy to the workspace so it builds and is covered by CI; it was
  orphaned by the previous workspace repair and would not compile at all.

Tests cover each guard's boundary on both sides, the error discriminants, and
that the worst-case legal call stays inside the default budget.
---
 Cargo.lock                                    |    7 +
 Cargo.toml                                    |    1 +
 contracts/cpu_heavy/Cargo.lock                | 1575 -----------------
 contracts/cpu_heavy/Cargo.toml                |    2 +-
 contracts/cpu_heavy/README.md                 |   93 +
 contracts/cpu_heavy/src/lib.rs                |  140 +-
 contracts/cpu_heavy/src/test.rs               |  222 ++-
 .../test/test_safety_limits.1.json            |   76 -
 8 files changed, 410 insertions(+), 1706 deletions(-)
 delete mode 100644 contracts/cpu_heavy/Cargo.lock
 create mode 100644 contracts/cpu_heavy/README.md
 delete mode 100644 contracts/cpu_heavy/test_snapshots/test/test_safety_limits.1.json

diff --git a/Cargo.lock b/Cargo.lock
index 25496e52..b6e662f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -277,6 +277,13 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
+[[package]]
+name = "cpu_heavy"
+version = "0.1.0"
+dependencies = [
+ "soroban-sdk",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.17"
diff --git a/Cargo.toml b/Cargo.toml
index a209a6fb..08b44729 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,7 @@
 [workspace]
 resolver = "2"
 members = [
+    "contracts/cpu_heavy",
     "contracts/error_codes",
     "contracts/liquidity_pool",
     "contracts/math",
diff --git a/contracts/cpu_heavy/Cargo.lock b/contracts/cpu_heavy/Cargo.lock
deleted file mode 100644
index fbda754d..00000000
--- a/contracts/cpu_heavy/Cargo.lock
+++ /dev/null
@@ -1,1575 +0,0 @@
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diff --git a/contracts/cpu_heavy/Cargo.toml b/contracts/cpu_heavy/Cargo.toml
index 5ddca619..d496164f 100644
--- a/contracts/cpu_heavy/Cargo.toml
+++ b/contracts/cpu_heavy/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [lib]
-crate-type = ["cdylib"]
+crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 soroban-sdk = "22.0.0"
diff --git a/contracts/cpu_heavy/README.md b/contracts/cpu_heavy/README.md
new file mode 100644
index 00000000..92f45fbf
--- /dev/null
+++ b/contracts/cpu_heavy/README.md
@@ -0,0 +1,93 @@
+# CPU Heavy Contract
+
+A benchmark contract whose entry points deliberately burn CPU, used to observe
+how SoroScope reports invocation cost. Every entry point is a pure computation:
+there is no state, no authorisation, and no storage access.
+
+## Hard caps
+
+Each entry point checks its arguments against a hard cap *before* doing any
+work. Without that check an oversized argument runs until the host aborts the
+invocation with `Error(Budget, ExceededLimit)`, which reaches the caller as an
+opaque `UnreachableCodeReached` VM trap that names neither the offending
+argument nor the limit it broke. The guards turn that into a contract error
+code instead.
+
+| Constant             | Value     | Applies to                            |
+| -------------------- | --------- | ------------------------------------- |
+| `MAX_FIB`            | `50_000`  | `fibonacci_iterative(n)`              |
+| `MAX_SORT`           | `100`     | `bubble_sort(values)` length          |
+| `MAX_PRIME`          | `20_000`  | `count_primes(limit)`                 |
+| `MAX_LOOP_OPS`       | `500_000` | `nested_loop_burn(outer * inner)`     |
+| `MAX_COMBINED_FIB`   | `10_000`  | `combined_benchmark(fib_n, ..)`       |
+| `MAX_COMBINED_SORT`  | `50`      | `combined_benchmark(.., sort_size, ..)` |
+| `MAX_COMBINED_PRIME` | `5_000`   | `combined_benchmark(.., prime_limit)` |
+
+The caps are chosen so the most expensive legal call still fits in the default
+network budget of 100,000,000 CPU instructions and 41,943,040 memory bytes.
+Measured against the release WASM build with every argument at its cap:
+
+| Call                                    | CPU        | Memory  |
+| --------------------------------------- | ---------- | ------- |
+| `fibonacci_iterative(50_000)`           | 1.6M (1%)  | 3%      |
+| `count_primes(20_000)`                  | 22.7M (22%)| 3%      |
+| `bubble_sort([100 elements])`           | 60.1M (60%)| 24%     |
+| `nested_loop_burn(500_000, 1)`          | 0.8M (0%)  | 3%      |
+| `combined_benchmark(10_000, 50, 5_000)` | 19.2M (19%)| 6%      |
+
+`bubble_sort` is the binding constraint: it is quadratic in *host* calls
+(`Vec::get`/`Vec::set`), so its cost grows far faster than the other workloads.
+At 150 elements it costs 136.8M CPU and exceeds the budget outright, which is
+why the cap sits at 100.
+
+`nested_loop_burn` guards on the `outer * inner` product using
+`saturating_mul`, so a caller cannot overflow the multiplication to wrap past
+the cap.
+
+## API
+
+`fibonacci_iterative(n: u32) -> Result<u64, Error>`
+
+Iterative Fibonacci, wrapping on `u64` overflow. Returns
+`FibonacciInputTooLarge` if `n > MAX_FIB`.
+
+`bubble_sort(values: Vec<u32>) -> Result<Vec<u32>, Error>`
+
+Bubble-sorts the list in place. Returns `SortInputTooLarge` if the list is
+longer than `MAX_SORT`.
+
+`count_primes(limit: u32) -> Result<u32, Error>`
+
+Counts primes in `2..=limit` by trial division. Returns `PrimeLimitTooLarge` if
+`limit > MAX_PRIME`.
+
+`nested_loop_burn(outer: u32, inner: u32) -> Result<u64, Error>`
+
+Burns `outer * inner` iterations of trivial arithmetic. Returns
+`LoopOpsTooLarge` if the product exceeds `MAX_LOOP_OPS`.
+
+`combined_benchmark(fib_n: u32, sort_size: u32, prime_limit: u32) -> Result<Vec<u64>, Error>`
+
+Runs all three workloads in one invocation and returns
+`[fibonacci, prime_count]`. Returns `CombinedInputTooLarge` if any argument
+exceeds its sub-cap.
+
+## Errors
+
+| Code | Variant                  |
+| ---- | ------------------------ |
+| 1    | `FibonacciInputTooLarge` |
+| 2    | `SortInputTooLarge`      |
+| 3    | `PrimeLimitTooLarge`     |
+| 4    | `LoopOpsTooLarge`        |
+| 5    | `CombinedInputTooLarge`  |
+
+The discriminants are part of the contract's public surface — the SoroScope UI
+decodes errors by number — so new variants must be appended rather than
+inserted.
+
+## Tests
+
+```sh
+cargo test -p cpu_heavy
+```
diff --git a/contracts/cpu_heavy/src/lib.rs b/contracts/cpu_heavy/src/lib.rs
index 7a947465..76ebcd31 100644
--- a/contracts/cpu_heavy/src/lib.rs
+++ b/contracts/cpu_heavy/src/lib.rs
@@ -1,20 +1,75 @@
 #![no_std]
-use soroban_sdk::{contract, contractimpl, Env, Vec};
+use soroban_sdk::{contract, contracterror, contractimpl, Env, Vec};
+
+#[cfg(test)]
+mod test;
+
+/// Errors returned by the `CpuHeavyContract` benchmark entry points.
+///
+/// Every entry point validates its inputs against a hard cap *before* doing any
+/// work, so an oversized request fails with one of these codes instead of
+/// running until the host aborts the invocation with
+/// `Error(Budget, ExceededLimit)`. A budget abort surfaces to the caller as an
+/// opaque `UnreachableCodeReached` VM trap and says nothing about which
+/// argument was unreasonable; these codes do.
+#[contracterror]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord)]
+#[repr(u32)]
+pub enum Error {
+    /// `n` exceeded [`MAX_FIB`].
+    FibonacciInputTooLarge = 1,
+    /// The input list was longer than [`MAX_SORT`].
+    SortInputTooLarge = 2,
+    /// `limit` exceeded [`MAX_PRIME`].
+    PrimeLimitTooLarge = 3,
+    /// `outer * inner` exceeded [`MAX_LOOP_OPS`].
+    LoopOpsTooLarge = 4,
+    /// One of the combined-benchmark arguments exceeded its sub-cap.
+    CombinedInputTooLarge = 5,
+}
+
+// Hard caps. These sit below the point where a benchmark would exhaust the
+// default network budget (100_000_000 CPU instructions / 41_943_040 memory
+// bytes), measured against the release WASM build:
+//
+//   fibonacci_iterative(50_000)    1.6M CPU              (pure arithmetic loop)
+//   bubble_sort(100)              60.0M CPU / 10.2MB     (host Vec get/set)
+//   count_primes(20_000)          22.7M CPU
+//
+// `bubble_sort` is quadratic in *host* calls, so its cap is by far the
+// tightest: at 150 elements it costs 136.8M CPU and blows the budget outright,
+// which is why the previous cap of 300 was never reachable in practice.
+
+/// Largest `n` accepted by [`CpuHeavyContract::fibonacci_iterative`].
+pub const MAX_FIB: u32 = 50_000;
+/// Longest list accepted by [`CpuHeavyContract::bubble_sort`].
+pub const MAX_SORT: u32 = 100;
+/// Largest `limit` accepted by [`CpuHeavyContract::count_primes`].
+pub const MAX_PRIME: u32 = 20_000;
+/// Largest `outer * inner` product accepted by
+/// [`CpuHeavyContract::nested_loop_burn`].
+pub const MAX_LOOP_OPS: u32 = 500_000;
+
+// Sub-caps for `combined_benchmark`, which pays for all three workloads in one
+// invocation and so has to stay well inside each individual cap.
+/// Largest `fib_n` accepted by [`CpuHeavyContract::combined_benchmark`].
+pub const MAX_COMBINED_FIB: u32 = 10_000;
+/// Largest `sort_size` accepted by [`CpuHeavyContract::combined_benchmark`].
+pub const MAX_COMBINED_SORT: u32 = 50;
+/// Largest `prime_limit` accepted by [`CpuHeavyContract::combined_benchmark`].
+pub const MAX_COMBINED_PRIME: u32 = 5_000;
 
 #[contract]
 pub struct CpuHeavyContract;
 
-// Constants to keep execution deterministic and bounded
-const MAX_FIB: u32 = 50_000;
-const MAX_SORT: u32 = 300;
-const MAX_PRIME: u32 = 20_000;
-const MAX_LOOP_OPS: u32 = 500_000;
-
 #[contractimpl]
 impl CpuHeavyContract {
-    pub fn fibonacci_iterative(_env: Env, n: u32) -> u64 {
+    /// Iterative Fibonacci, wrapping on `u64` overflow.
+    ///
+    /// Returns [`Error::FibonacciInputTooLarge`] if `n` exceeds [`MAX_FIB`].
+    pub fn fibonacci_iterative(_env: Env, n: u32) -> Result<u64, Error> {
         if n > MAX_FIB {
-            panic!("input too large");
+            return Err(Error::FibonacciInputTooLarge);
         }
 
         let mut a: u64 = 0;
@@ -24,18 +79,24 @@ impl CpuHeavyContract {
             a = b;
             b = temp;
         }
-        a
+        Ok(a)
     }
 
-    pub fn bubble_sort(_env: Env, values: Vec<u32>) -> Vec<u32> {
+    /// Bubble-sorts a host `Vec` in place, exercising O(n²) host calls.
+    ///
+    /// Returns [`Error::SortInputTooLarge`] if the list is longer than
+    /// [`MAX_SORT`].
+    pub fn bubble_sort(_env: Env, values: Vec<u32>) -> Result<Vec<u32>, Error> {
         if values.len() > MAX_SORT {
-            panic!("list too long");
+            return Err(Error::SortInputTooLarge);
         }
 
         let mut arr = values;
         let n = arr.len();
         for i in 0..n {
-            for j in 0..n - i - 1 {
+            // `n - i - 1` would underflow on the last pass, and on an empty
+            // list there is nothing to compare at all.
+            for j in 0..n.saturating_sub(i + 1) {
                 let val_j = arr.get(j).unwrap();
                 let val_next = arr.get(j + 1).unwrap();
                 if val_j > val_next {
@@ -44,18 +105,23 @@ impl CpuHeavyContract {
                 }
             }
         }
-        arr
+        Ok(arr)
     }
 
-    pub fn count_primes(_env: Env, limit: u32) -> u32 {
+    /// Counts primes in `2..=limit` by trial division.
+    ///
+    /// Returns [`Error::PrimeLimitTooLarge`] if `limit` exceeds [`MAX_PRIME`].
+    pub fn count_primes(_env: Env, limit: u32) -> Result<u32, Error> {
         if limit > MAX_PRIME {
-            panic!("limit too large");
+            return Err(Error::PrimeLimitTooLarge);
         }
 
         let mut count = 0;
         for num in 2..=limit {
             let mut is_prime = true;
             let mut i = 2;
+            // `MAX_PRIME` is far below `sqrt(u32::MAX)`, so `i * i` cannot
+            // overflow for any accepted `limit`.
             while i * i <= num {
                 if num % i == 0 {
                     is_prime = false;
@@ -67,12 +133,17 @@ impl CpuHeavyContract {
                 count += 1;
             }
         }
-        count
+        Ok(count)
     }
 
-    pub fn nested_loop_burn(_env: Env, outer: u32, inner: u32) -> u64 {
+    /// Burns `outer * inner` iterations of trivial arithmetic.
+    ///
+    /// Returns [`Error::LoopOpsTooLarge`] if the product exceeds
+    /// [`MAX_LOOP_OPS`]. The product uses `saturating_mul` so a caller cannot
+    /// slip past the guard by overflowing it.
+    pub fn nested_loop_burn(_env: Env, outer: u32, inner: u32) -> Result<u64, Error> {
         if outer.saturating_mul(inner) > MAX_LOOP_OPS {
-            panic!("total ops too large");
+            return Err(Error::LoopOpsTooLarge);
         }
 
         let mut sum: u64 = 0;
@@ -81,27 +152,38 @@ impl CpuHeavyContract {
                 sum = sum.wrapping_add(i as u64).wrapping_add(j as u64);
             }
         }
-        sum
+        Ok(sum)
     }
 
-    pub fn combined_benchmark(env: Env, fib_n: u32, sort_size: u32, prime_limit: u32) -> Vec<u64> {
-        if fib_n > 10_000 || sort_size > 100 || prime_limit > 5_000 {
-            panic!("combined inputs too large");
+    /// Runs all three workloads in one invocation and returns
+    /// `[fibonacci, prime_count]`.
+    ///
+    /// Returns [`Error::CombinedInputTooLarge`] if any argument exceeds its
+    /// sub-cap.
+    pub fn combined_benchmark(
+        env: Env,
+        fib_n: u32,
+        sort_size: u32,
+        prime_limit: u32,
+    ) -> Result<Vec<u64>, Error> {
+        if fib_n > MAX_COMBINED_FIB
+            || sort_size > MAX_COMBINED_SORT
+            || prime_limit > MAX_COMBINED_PRIME
+        {
+            return Err(Error::CombinedInputTooLarge);
         }
 
         let mut results = Vec::new(&env);
-        results.push_back(Self::fibonacci_iterative(env.clone(), fib_n));
+        results.push_back(Self::fibonacci_iterative(env.clone(), fib_n)?);
 
         let mut to_sort = Vec::new(&env);
         for i in (0..sort_size).rev() {
             to_sort.push_back(i);
         }
-        Self::bubble_sort(env.clone(), to_sort);
+        Self::bubble_sort(env.clone(), to_sort)?;
 
-        results.push_back(Self::count_primes(env.clone(), prime_limit) as u64);
+        results.push_back(Self::count_primes(env.clone(), prime_limit)? as u64);
 
-        results
+        Ok(results)
     }
 }
-
-mod test;
diff --git a/contracts/cpu_heavy/src/test.rs b/contracts/cpu_heavy/src/test.rs
index e7f283cc..6315fa91 100644
--- a/contracts/cpu_heavy/src/test.rs
+++ b/contracts/cpu_heavy/src/test.rs
@@ -3,47 +3,219 @@
 use super::*;
 use soroban_sdk::{Env, Vec};
 
-#[test]
-fn test_benchmarks_run_successfully() {
-    let env = Env::default();
+fn setup(env: &Env) -> CpuHeavyContractClient<'_> {
     let contract_id = env.register(CpuHeavyContract, ());
-    let client = CpuHeavyContractClient::new(&env, &contract_id);
+    CpuHeavyContractClient::new(env, &contract_id)
+}
 
-    // Test Fibonacci
-    let fib_res = client.fibonacci_iterative(&20);
-    assert_eq!(fib_res, 6765);
+/// Builds a descending `[n-1, ..., 0]` list, the worst case for bubble sort.
+fn descending(env: &Env, n: u32) -> Vec<u32> {
+    let mut v = Vec::new(env);
+    for i in (0..n).rev() {
+        v.push_back(i);
+    }
+    v
+}
 
-    // Test Prime Counting
-    let prime_count = client.count_primes(&100);
-    assert_eq!(prime_count, 25);
+// ── Happy paths ──────────────────────────────────────────────────────────────
 
-    // Test Bubble Sort
-    let unsorted = Vec::from_array(&env, [5, 3, 8, 1]);
-    let sorted = client.bubble_sort(&unsorted);
-    assert_eq!(sorted, Vec::from_array(&env, [1, 3, 5, 8]));
+#[test]
+fn test_benchmarks_run_successfully() {
+    let env = Env::default();
+    let client = setup(&env);
 
-    // Test Nested Loop
-    let loop_res = client.nested_loop_burn(&10, &10);
-    assert!(loop_res > 0);
+    assert_eq!(client.fibonacci_iterative(&20), 6765);
+    assert_eq!(client.count_primes(&100), 25);
+    assert_eq!(
+        client.bubble_sort(&Vec::from_array(&env, [5, 3, 8, 1])),
+        Vec::from_array(&env, [1, 3, 5, 8])
+    );
+    assert!(client.nested_loop_burn(&10, &10) > 0);
 }
 
 #[test]
 fn test_combined_benchmark() {
     let env = Env::default();
-    let contract_id = env.register(CpuHeavyContract, ());
-    let client = CpuHeavyContractClient::new(&env, &contract_id);
+    let client = setup(&env);
 
     let results = client.combined_benchmark(&100, &20, &50);
-    // Combined returns results for Fibonacci and Prime counting
+    // Combined returns results for Fibonacci and prime counting.
     assert_eq!(results.len(), 2);
+    assert_eq!(results.get(1).unwrap(), 15);
 }
 
 #[test]
-#[should_panic(expected = "input too large")]
-fn test_safety_limits() {
+fn test_bubble_sort_handles_degenerate_lengths() {
     let env = Env::default();
-    let contract_id = env.register(CpuHeavyContract, ());
-    let client = CpuHeavyContractClient::new(&env, &contract_id);
+    let client = setup(&env);
+
+    assert_eq!(client.bubble_sort(&Vec::new(&env)), Vec::new(&env));
+    assert_eq!(
+        client.bubble_sort(&Vec::from_array(&env, [7])),
+        Vec::from_array(&env, [7])
+    );
+}
+
+// ── Guards accept inputs exactly at the cap ──────────────────────────────────
+
+#[test]
+fn test_inputs_at_the_cap_are_accepted() {
+    let env = Env::default();
+    let client = setup(&env);
+
+    // Each of these is the largest value the contract promises to serve. They
+    // must succeed, otherwise the cap is advertising work it cannot deliver.
+    client.fibonacci_iterative(&MAX_FIB);
+    client.count_primes(&MAX_PRIME);
+    client.bubble_sort(&descending(&env, MAX_SORT));
+    client.nested_loop_burn(&MAX_LOOP_OPS, &1);
+    client.combined_benchmark(&MAX_COMBINED_FIB, &MAX_COMBINED_SORT, &MAX_COMBINED_PRIME);
+}
+
+/// The whole point of the caps: the most expensive legal call must finish
+/// inside the default network budget rather than aborting the host.
+///
+/// This measures the *native* build, so it accounts for host-call cost (which
+/// is what makes `bubble_sort` quadratically expensive) but not for metered
+/// WASM instructions. The WASM figures behind each constant are recorded in
+/// `lib.rs`.
+#[test]
+fn test_worst_case_call_stays_within_default_budget() {
+    let env = Env::default();
+    let client = setup(&env);
+
+    env.cost_estimate().budget().reset_default();
+    client.bubble_sort(&descending(&env, MAX_SORT));
+
+    let budget = env.cost_estimate().budget();
+    assert!(
+        budget.cpu_instruction_cost() < 100_000_000,
+        "bubble_sort at MAX_SORT burned {} CPU instructions",
+        budget.cpu_instruction_cost()
+    );
+    assert!(
+        budget.memory_bytes_cost() < 41_943_040,
+        "bubble_sort at MAX_SORT allocated {} memory bytes",
+        budget.memory_bytes_cost()
+    );
+}
+
+// ── Guards reject inputs past the cap with a clean error code ────────────────
+
+#[test]
+fn test_fibonacci_rejects_oversized_input() {
+    let env = Env::default();
+    let client = setup(&env);
+
+    assert_eq!(
+        client.try_fibonacci_iterative(&(MAX_FIB + 1)),
+        Err(Ok(Error::FibonacciInputTooLarge))
+    );
+    assert_eq!(
+        client.try_fibonacci_iterative(&u32::MAX),
+        Err(Ok(Error::FibonacciInputTooLarge))
+    );
+}
+
+#[test]
+fn test_bubble_sort_rejects_oversized_input() {
+    let env = Env::default();
+    let client = setup(&env);
+
+    assert_eq!(
+        client.try_bubble_sort(&descending(&env, MAX_SORT + 1)),
+        Err(Ok(Error::SortInputTooLarge))
+    );
+}
+
+#[test]
+fn test_count_primes_rejects_oversized_input() {
+    let env = Env::default();
+    let client = setup(&env);
+
+    assert_eq!(
+        client.try_count_primes(&(MAX_PRIME + 1)),
+        Err(Ok(Error::PrimeLimitTooLarge))
+    );
+}
+
+#[test]
+fn test_nested_loop_burn_rejects_oversized_input() {
+    let env = Env::default();
+    let client = setup(&env);
 
-    client.fibonacci_iterative(&60_000);
+    assert_eq!(
+        client.try_nested_loop_burn(&(MAX_LOOP_OPS + 1), &1),
+        Err(Ok(Error::LoopOpsTooLarge))
+    );
+    // Neither factor is individually huge, but the product is.
+    assert_eq!(
+        client.try_nested_loop_burn(&1_000, &1_000),
+        Err(Ok(Error::LoopOpsTooLarge))
+    );
+}
+
+/// `outer * inner` overflows `u32`, so a naive `outer * inner` guard would wrap
+/// to a small number and wave the call through. `saturating_mul` must not.
+#[test]
+fn test_nested_loop_burn_guard_survives_multiplication_overflow() {
+    let env = Env::default();
+    let client = setup(&env);
+
+    assert_eq!(
+        client.try_nested_loop_burn(&65_536, &65_536),
+        Err(Ok(Error::LoopOpsTooLarge))
+    );
+    assert_eq!(
+        client.try_nested_loop_burn(&u32::MAX, &u32::MAX),
+        Err(Ok(Error::LoopOpsTooLarge))
+    );
+}
+
+#[test]
+fn test_combined_benchmark_rejects_each_oversized_argument() {
+    let env = Env::default();
+    let client = setup(&env);
+
+    let over = [
+        (MAX_COMBINED_FIB + 1, 10, 100),
+        (100, MAX_COMBINED_SORT + 1, 100),
+        (100, 10, MAX_COMBINED_PRIME + 1),
+    ];
+    for (fib_n, sort_size, prime_limit) in over {
+        assert_eq!(
+            client.try_combined_benchmark(&fib_n, &sort_size, &prime_limit),
+            Err(Ok(Error::CombinedInputTooLarge))
+        );
+    }
+}
+
+/// An over-cap call must fail cleanly rather than trapping, so it has to leave
+/// the budget essentially untouched — that is what distinguishes a guard from a
+/// host budget abort.
+#[test]
+fn test_rejected_call_does_no_work() {
+    let env = Env::default();
+    let client = setup(&env);
+
+    env.cost_estimate().budget().reset_default();
+    let _ = client.try_count_primes(&(MAX_PRIME + 1));
+
+    assert!(
+        env.cost_estimate().budget().cpu_instruction_cost() < 1_000_000,
+        "rejected call burned {} CPU instructions before failing",
+        env.cost_estimate().budget().cpu_instruction_cost()
+    );
+}
+
+/// Error discriminants are part of the contract's public surface: the SoroScope
+/// UI decodes them by number, so reordering the enum would silently change what
+/// users see.
+#[test]
+fn test_error_codes_are_stable() {
+    assert_eq!(Error::FibonacciInputTooLarge as u32, 1);
+    assert_eq!(Error::SortInputTooLarge as u32, 2);
+    assert_eq!(Error::PrimeLimitTooLarge as u32, 3);
+    assert_eq!(Error::LoopOpsTooLarge as u32, 4);
+    assert_eq!(Error::CombinedInputTooLarge as u32, 5);
 }
diff --git a/contracts/cpu_heavy/test_snapshots/test/test_safety_limits.1.json b/contracts/cpu_heavy/test_snapshots/test/test_safety_limits.1.json
deleted file mode 100644
index a90f00a8..00000000
--- a/contracts/cpu_heavy/test_snapshots/test/test_safety_limits.1.json
+++ /dev/null
@@ -1,76 +0,0 @@
-{
-  "generators": {
-    "address": 1,
-    "nonce": 0
-  },
-  "auth": [
-    [],
-    []
-  ],
-  "ledger": {
-    "protocol_version": 22,
-    "sequence_number": 0,
-    "timestamp": 0,
-    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
-    "base_reserve": 0,
-    "min_persistent_entry_ttl": 4096,
-    "min_temp_entry_ttl": 16,
-    "max_entry_ttl": 6312000,
-    "ledger_entries": [
-      [
-        {
-          "contract_data": {
-            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-            "key": "ledger_key_contract_instance",
-            "durability": "persistent"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_data": {
-                "ext": "v0",
-                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-                "key": "ledger_key_contract_instance",
-                "durability": "persistent",
-                "val": {
-                  "contract_instance": {
-                    "executable": {
-                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
-                    },
-                    "storage": null
-                  }
-                }
-              }
-            },
-            "ext": "v0"
-          },
-          4095
-        ]
-      ],
-      [
-        {
-          "contract_code": {
-            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
-          }
-        },
-        [
-          {
-            "last_modified_ledger_seq": 0,
-            "data": {
-              "contract_code": {
-                "ext": "v0",
-                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
-                "code": ""
-              }
-            },
-            "ext": "v0"
-          },
-          4095
-        ]
-      ]
-    ]
-  },
-  "events": []
-}
\ No newline at end of file