fix: verify accumulated pairing points in native ChonkVerifier (v4 backport)#21975
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Backport of 50ba735 to v4. The native ChonkVerifier::verify was not checking kernel_io.pairing_inputs (accumulated pairing points from the IVC chain), while the recursive verifier was. This adds the missing check to ensure parity between native and recursive verification paths.
ludamad
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alexghr
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Mar 24, 2026
This was referenced Mar 23, 2026
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## Summary Merges v4 branch into backport-to-v4-next-staging to bring in 17 commits from v4 that were missing. Key changes from v4: - fix: verify accumulated pairing points in native ChonkVerifier (#21975) - chore: Properly compute finalized block (#21795, #21850) - feat(archiver): validate contract instance addresses before storing (#21787) - feat(p2p): add tx validator for contract instance deployment addresses (#21771) - Various accumulated backports and bug fixes ## Conflicts resolved 6 files had merge conflicts, all resolved: - `archiver/src/factory.ts` — kept `ContractClassPublicWithCommitment` type from staging - `archiver/src/modules/data_store_updater.ts` — merged imports from both branches - `archiver/src/store/kv_archiver_store.test.ts` — took v4's richer describe block structure, adapted to singular `addProposedBlock` API - `aztec-node/src/aztec-node/server.ts` — kept staging's block 0 check and `getWorldState` method name - `stdlib/src/tx/validator/error_texts.ts` — kept staging's contract class error constants - `world-state/src/synchronizer/server_world_state_synchronizer.ts` — kept verbose log level ## Test plan - CI should verify the merge compiles and tests pass - Once merged, this branch can be merged into the backport-to-v4-next branch ClaudeBox log: https://claudebox.work/s/0150633f06bfb379?run=1
AztecBot
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Forward-port of the v4 fix (PR #21975). The native ChonkVerifier::reduce_to_ipa_claim was missing the kernel_io.pairing_inputs.check() call, which verifies the accumulated pairing points from inner recursive verifications. The recursive verifier already aggregates these points; the native verifier must explicitly check them.
iakovenkos
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Apr 1, 2026
## Summary Forward-port of the v4 fix (#21975). The native `ChonkVerifier::reduce_to_ipa_claim` was missing `kernel_io.pairing_inputs.check()` — the accumulated pairing points from inner recursive verifications. The recursive verifier already aggregates these points; the native verifier must explicitly check them. ## Details - Added `kernel_io.pairing_inputs.check()` after `reconstruct_from_public` in the native `reduce_to_ipa_claim` - This completes parity between native and recursive verification paths - `chonk_tests` builds successfully ClaudeBox log: https://claudebox.work/s/fe964a7f5fb2b43c?run=1
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Summary
ChonkVerifier::verifywas missingkernel_io.pairing_inputs.check()— the accumulated pairing points from inner recursive verifications