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fix(pxe): throw clear error for invalid comparator in pick_notes#22585

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nchamo merged 1 commit intomerge-train/fairiesfrom
fix/pick-notes-invalid-comparator
Apr 16, 2026
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fix(pxe): throw clear error for invalid comparator in pick_notes#22585
nchamo merged 1 commit intomerge-train/fairiesfrom
fix/pick-notes-invalid-comparator

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@nchamo nchamo commented Apr 15, 2026

Summary

  • pick_notes looks up a comparator handler via comparatorSelector[comparator]; an out-of-range value would invoke undefined() and surface a cryptic TypeError.
  • Check the lookup and throw Invalid comparator value: <n> instead, so a malformed comparator from a contract call produces an actionable error.
  • Adds a unit test covering the invalid-comparator path.

Fixes AztecProtocol/aztec-claude#161

@nchamo nchamo self-assigned this Apr 15, 2026
@nchamo nchamo requested a review from Thunkar April 15, 2026 21:21
@nchamo nchamo merged commit 4dc0be4 into merge-train/fairies Apr 16, 2026
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@nchamo nchamo deleted the fix/pick-notes-invalid-comparator branch April 16, 2026 10:49
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✅ Successfully backported to backport-to-v4-next-staging #22580.

github-merge-queue bot pushed a commit that referenced this pull request Apr 17, 2026
BEGIN_COMMIT_OVERRIDE
feat: check noir release has nargo binaries before releasing (#22551)
chore: cache chainInfo in embeddedwallet (#22592)
fix: wrap external getCapsule in transactionAsync (#22595)
fix(pxe): throw clear error for invalid comparator in pick_notes
(#22585)
refactor(aztec-nr): rename conversion fns to encode_/decode_ naming
(#22576)
fix: adding transactions to PXE stores (#22603)
feat: infrastructure for testing `[new_contract_artfiacts,
old_aztec_stack]` (#22593)
chore: fix unnecessary and inconsistent side-effect counter increments
(#22245)
feat(aztec-nr): new BoundedVec emit private log APIs (#22064)
END_COMMIT_OVERRIDE
Thunkar added a commit that referenced this pull request Apr 17, 2026
BEGIN_COMMIT_OVERRIDE
fix(pxe): cap event filter toBlock to last synced block (#22573)
fix(pxe): round tx expiration timestamp to reduce precision (#22577)
fix: eliminate anvil watcher warp race and false success logs (#22584)
refactor: aztec new and init creating 2 crates (#20681)
test: aztec new scaffold works (#20711)
feat(cli): warning if contract crate has tests (#20723)
feat(cli): auto-recompiling when aztec test is run (#20729)
feat: aztec new supporting multiple contract crates (#21007)
feat: asserts that aztec dep version matches cli (#21245)
chore: backport aztec CLI improvements to v4-next (#22587)
feat: check noir release has nargo binaries before releasing (#22551)
chore: cache chainInfo in embeddedwallet (#22592)
fix: wrap external getCapsule in transactionAsync (#22595)
fix(pxe): throw clear error for invalid comparator in pick_notes
(#22585)
refactor(aztec-nr): rename conversion fns to encode_/decode_ naming
(#22576)
feat: infrastructure for testing `[new_contract_artfiacts,
old_aztec_stack]` (#22593)
chore: fix unnecessary and inconsistent side-effect counter increments
(#22245)
fix: update FaceID wallet redirects and strip anchors in redirect
validation (#22505)
docs: add getting started on testnet guide (#22366)
docs: add getting started on testnet guide (backport #22366) (#22619)
feat(aztec-nr): new BoundedVec emit private log APIs (#22064)
END_COMMIT_OVERRIDE
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3 participants