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fix: avoid mutating caller's array via splice in snapshot sync (A-718)#21759

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PhilWindle merged 1 commit intomerge-train/spartanfrom
phil/a-718-audit-38-snapshot-sync-mutates-source-ids-array-via-splice
Mar 19, 2026
Merged

fix: avoid mutating caller's array via splice in snapshot sync (A-718)#21759
PhilWindle merged 1 commit intomerge-train/spartanfrom
phil/a-718-audit-38-snapshot-sync-mutates-source-ids-array-via-splice

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Summary

  • Replace splice(0, N) with index-based slice(i, i+N) in BrokerCircuitProverFacade to avoid mutating the caller's ids array during snapshot sync batching.

Fixes A-718

Test plan

  • Build passes
  • The fix is mechanical: replacing mutating splice(0, N) with non-mutating slice(i, i+N) in a for-loop

🤖 Generated with Claude Code

@PhilWindle PhilWindle force-pushed the phil/a-718-audit-38-snapshot-sync-mutates-source-ids-array-via-splice branch from e58872c to 186eee0 Compare March 18, 2026 18:17
Use chunk + asyncPool to replace splice-based batching in
BrokerCircuitProverFacade. Both getAllCompletedJobs and job retrieval
now use non-mutating patterns with bounded concurrency.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
@PhilWindle PhilWindle force-pushed the phil/a-718-audit-38-snapshot-sync-mutates-source-ids-array-via-splice branch from 186eee0 to 8a5ca2b Compare March 18, 2026 18:21
@PhilWindle PhilWindle marked this pull request as ready for review March 18, 2026 18:25
@PhilWindle PhilWindle merged commit 86d942b into merge-train/spartan Mar 19, 2026
16 checks passed
@PhilWindle PhilWindle deleted the phil/a-718-audit-38-snapshot-sync-mutates-source-ids-array-via-splice branch March 19, 2026 11:05
github-merge-queue bot pushed a commit that referenced this pull request Mar 20, 2026
BEGIN_COMMIT_OVERRIDE
feat(p2p): add tx validator for contract instance deployment addresses
(#21771)
fix: always deploy IRM for testnet (#21755)
fix: avoid mutating caller's array via splice in snapshot sync (A-718)
(#21759)
chore: update network logs skill (#21785)
feat(archiver): validate contract instance addresses before storing
(#21787)
fix: ensure no division by 0 (#21786)
feat: support private fork releases via ci-release (#21778)
fix: restrict scenario deployments to only nightly (#21798)
fix(stdlib): zero-pad bufferFromFields when declared length exceeds
payload (#21802)
test(protocol-contracts): verify max-size bytecode fits in contract
class log (#21818)
fix: wire BOT_DA_GAS_LIMIT through helm/terraform for staging-public
(#21809)
fix: remove jest-mock-extended from worker processes + fix
parallelize_strict silent failures (#21821)
fix(archiver): throw on duplicate contract class or instance additions
(#21799)
chore: remove broadcasted function events (#21805)
fix: sync dateProvider from anvil stdout on every mined block (#21829)
fix(sequencer): use wall-clock time instead of L1 block timestamp for
slot estimation (#21769)
fix: use correct EthCheatCodes method name in epochs_missed_l1_slot test
(#21848)
feat(p2p): add tx validator for contract class id verification (#21788)
feat: publisher funding (#21631)
feat: batch chonk verifier TS integration (#21823)
fix(sequencer): remove l1 block timestamp check (#21853)
fix: use local IVC inputs for batch_verifier bench test (#21857)
fix(p2p): centralize gossipsub penalization and fix inconsistencies
(#21863)
chore: publish GitHub releases to AztecProtocol/barretenberg (#21775)
END_COMMIT_OVERRIDE
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2 participants