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beacon_root: simplify jump syntax #38

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Merged
merged 1 commit into from
Dec 16, 2024
Merged

beacon_root: simplify jump syntax #38

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12 changes: 4 additions & 8 deletions src/beacon_root/main.eas
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Original file line number Diff line number Diff line change
Expand Up @@ -50,8 +50,7 @@
caller ;; [caller]
push SYSADDR ;; [sysaddr, caller]
eq ;; [sysaddr == caller]
push @submit ;; [submit_lbl, sysaddr == caller]
jumpi ;; []
jumpi @submit ;; []

;; Fallthrough if addresses don't match -- this means the caller intends
;; to read a root.
Expand All @@ -62,8 +61,7 @@
eq ;; [calldatasize == 32]

;; Jump to continue if length-check passed, otherwise revert.
push @loadtime ;; [loadtime_lbl, calldatasize == 32]
jumpi ;; []
jumpi @loadtime ;; []
%do_revert() ;; []

loadtime:
Expand All @@ -74,8 +72,7 @@ loadtime:

;; Verify input timestamp is non-zero.
iszero ;; [input_timestamp == 0, input_timestamp]
push @throw ;; [throw_lbl, input_timestamp == 0, input_timestamp]
jumpi ;; [input_timestamp]
jumpi @throw ;; [input_timestamp]

;; Compute the timestamp index and load from storage.
push BUFLEN ;; [buflen, input_timestamp]
Expand All @@ -89,8 +86,7 @@ loadtime:
;; don't match if the slot has been overwritten by the ring buffer or if
;; the timestamp input wasn't a valid previous timestamp.
eq ;; [stored_timestamp == input_timestamp, time_index]
push @loadroot ;; [loadroot_lbl, input == timestamp, time_index]
jumpi ;; [time_index]
jumpi @loadroot ;; [time_index]
%do_revert() ;; []

loadroot:
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