Migrate to target wasmv1-none

Architecture.md

@@ -279,7 +279,7 @@ The non-fungible token implementation is designed to be compatible with existing
 
 ### WASM Compilation
 
-- **Target**: `wasm32-unknown-unknown`
+- **Target**: `wasm32v1-none`
 - **Optimization**: Release builds with size optimization
 - **No-std Environment**: Minimal runtime footprint
 

README.md

@@ -41,8 +41,8 @@ We provide a set of example contracts that demonstrate how to use the library. Y
 2. `cd stellar-contracts/examples`
 3. Take a look at the current folder, and select an example contract you are interested in. We will go with the `fungible-pausable` in this guide.
 4. `cd fungible-pausable`
-5. `cargo build --target wasm32-unknown-unknown --release`
-6. Now, the `target/wasm32-unknown-unknown/release/` directory will contain the compiled contracts. In this case, `target/wasm32-unknown-unknown/release/fungible_pausable_example.wasm` is the compiled wasm file.
+5. `cargo build --target wasm32v1-none --release`
+6. Now, the `target/wasm32v1-none/release/` directory will contain the compiled contracts. In this case, `target/wasm32v1-none/release/fungible_pausable_example.wasm` is the compiled wasm file.
 7. Deploying to the testnet is no different than any other contract. You can follow the instructions in the [Stellar documentation](https://developers.stellar.org/docs/build/smart-contracts/getting-started/deploy-to-testnet).
 
 

packages/test-utils/default-impl-macro-test/Cargo.toml

@@ -10,8 +10,8 @@ version.workspace = true
 crate-type = ["lib", "cdylib"]
 doctest = false
 
-
-[dev-dependencies]
+# This crate is only used for testing, and not compatible with `wasm32` targets.
+[target.'cfg(not(target_family = "wasm"))'.dev-dependencies]
 soroban-sdk = { workspace = true, features = ["testutils"] }
 stellar-access = { workspace = true }
 stellar-macros = { workspace = true }

packages/test-utils/default-impl-macro-test/src/lib.rs

@@ -5,3 +5,16 @@
 //!
 //! This crate is not intended for use in any other context. And this `lib.rs`
 //! file is empty on purpose.
+
+// A conditional attribute that applies `no_std` only for wasm targets.
+// This prevents Cargo from implicitly injecting std::prelude imports into empty crates
+// when building for wasm targets that don't support std (like wasm32v1-none).
+#![cfg_attr(target_family = "wasm", no_std)]
+
+// Panic handler required for `no_std` wasm targets.
+// Halts execution by entering an infinite loop, causing a wasm trap.
+#[cfg(all(target_family = "wasm", not(test)))]
+#[panic_handler]
+fn panic(_info: &core::panic::PanicInfo) -> ! {
+    loop {}
+}

packages/test-utils/event-assertion/Cargo.toml

@@ -7,9 +7,6 @@ publish = false
 version.workspace = true
 
 # This crate is only used for testing, and not compatible with `wasm32` targets.
-[target.'cfg(not(target_arch = "wasm32"))'.dependencies.soroban-sdk]
-workspace = true
-features = ["testutils"]
-
-[dependencies]
+[target.'cfg(not(target_family = "wasm"))'.dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }
 stellar-tokens = { workspace = true }