fix: off-by-1 in getBlockHashMembershipWitness archive snapshot (backport #21648)#21663
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benesjan merged 2 commits intobackport-to-v4-stagingfrom Mar 17, 2026
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…rchive snapshot (with conflicts)
Adapted getWorldState call to use v4's private #getWorldState method instead of the public getWorldState used on next.
benesjan
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Mar 17, 2026
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BEGIN_COMMIT_OVERRIDE fix(aztec-nr): return Option from decode functions and fix event commitment capacity (backport #21264) (#21360) fix: backport #21271 — handle bad note lengths on compute_note_hash_and_nullifier (#21364) fix: not reusing tags of partially reverted txs (#20817) chore: revert accidental backport of #20817 (#21583) feat: Implement commit all and revert all for world state checkpoints (#21532) cherry-pick: fix: dependabot alerts (#21531) fix: dependabot alerts (backport #21531 to v4) (#21592) fix: backport #21443 — Don't update state if we failed to execute sufficient transactions (v4) (#21610) chore: Fix msgpack serialisation (#21612) fix(p2p): fall back to maxTxsPerCheckpoint for per-block tx validation (#21605) chore: merge v4 into backport-to-v4-staging (#21618) fix(revert): avm sim uses event loop again (#21138) (#21630) fix(e2e): remove historic/finalized block checks from epochs_multiple test (#21642) fix: clamp finalized block to oldest available in world-state (#21643) fix: skip handleChainFinalized when block is behind oldest available (#21656) chore: demote finalized block skip log to trace (#21661) fix: off-by-1 in getBlockHashMembershipWitness archive snapshot (backport #21648) (#21663) fix: capture txs not available error reason in proposal handler (#21670) chore: add L1 inclusion time to stg public (#21665) END_COMMIT_OVERRIDE --------- Co-authored-by: Jan Beneš <janbenes1234@gmail.com> Co-authored-by: PhilWindle <60546371+PhilWindle@users.noreply.github.com> Co-authored-by: Phil Windle <philip.windle@gmail.com> Co-authored-by: Santiago Palladino <santiago@aztecprotocol.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> Co-authored-by: ludamad <adam.domurad@gmail.com> Co-authored-by: Alex Gherghisan <alexghr@users.noreply.github.com>
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Summary
Backport of #21648 to v4.
AztecNodeService.getBlockHashMembershipWitness: the Noir circuit checks archive membership againstanchor_block_header.last_archive.root(the archive at block N-1), but the node was returning a sibling path from the archive at block N. Fixed by fetching world state atreferenceBlock - 1.get_block_header_atcovering: past blocks, earliest block, boundary block (N-1), anchor block (early return path), future block rejection, and block number mismatch.Conflict resolution
The cherry-pick had one conflict in
server.ts: v4 usesthis.#getWorldState(private method) whilenextusesthis.getWorldState(public). Resolved by using the v4 private method convention.Commits
getWorldState→#getWorldStatefor v4ClaudeBox log: https://claudebox.work/s/19ea8001dabb3b76?run=1