feat!: optimized Poseidon2 #22652
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This was referenced Apr 19, 2026
AztecBot
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Apr 20, 2026
- CHONK_PROOF_LENGTH: 1332 -> 1317 (MegaZKFlavor::NUM_ALL_ENTITIES delta from databus genericization on merge-train after PR #22652's base) - mock_verifier_inputs.test.cpp static_assert - noir constants.nr - yarn-project constants.gen.ts - hypernova_verifier.test.cpp: drop stale {CALLDATA,SECONDARY_CALLDATA, RETURN_DATA}_READ_TAGS entries from Round 0 of expected manifest (databus no longer sends read_tags per-bus-column) - rollup-tx-base-private/Prover.toml: trim 15 trailing zero entries from inputs.hiding_kernel_proof_data.proof (1332 -> 1317) bb tests: 61/61 binaries pass (552/552 dsl_tests with 7 pre-existing GTEST_SKIP; pinned VK-hash script not run per request)
…i/poseidon2-opt-attempt
…to si/poseidon2-opt-attempt
iakovenkos
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IlyasRidhuan,
MirandaWood and
jeanmon
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iakovenkos
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May 5, 2026
| - The **Poseidon2 permutation**, i.e. the round function used by the sponge. | ||
| - **Circuit custom gate relations** that enforce the permutation’s correctness. | ||
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| ## Contents |
…don2 quad-row layout
notnotraju
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May 7, 2026
Thunkar
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May 8, 2026
## Summary Fix CI failure on `merge-train/fairies` (run [25572561023](https://github.com/AztecProtocol/aztec-packages/actions/runs/25572561023), log [1778264338812903](http://ci.aztec-labs.com/1778264338812903)). The merge of `next` into `merge-train/fairies` (78632af) brought in barretenberg changes — `feat!: optimized Poseidon2 (#22652)` and `feat: n1 apps (#22974)` via `feat: merge-train/barretenberg (#23025)` — which grew bb.js by enough to push the playground main entrypoint 0.02 KB over the 1750 KB hard limit: ``` ❌ assets/index-BEz4wQVA.js: 1750.02 KB exceeds limit of 1750 KB (Main entrypoint, hard limit) ``` Bumping the limit to 1800 KB (matching the prior +50 KB increment from the bump log) restores headroom. ## Test plan - [ ] CI green on this PR (chunk size check passes) ClaudeBox log: https://claudebox.work/s/22af49d0486fc035?run=1
rangozd
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May 16, 2026
BEGIN_COMMIT_OVERRIDE fix(bb): clamp BatchMergeProver degree-check loop to fix nightly debug SIGABRT (AztecProtocol#23019) feat: extend databus with 2 more cols (AztecProtocol#23010) feat: n1 apps (AztecProtocol#22974) chore: remove chonk bench once and for all (AztecProtocol#23067) fix(bb): clamp BatchMergeProver degree-check loop to fix nightly debug SIGABRT (AztecProtocol#23077) feat!: optimized Poseidon2 (AztecProtocol#22652) END_COMMIT_OVERRIDE
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