chore(main): release taiko-alethia-protocol 2.4.0

[taiko-kitty]

🤖 I have created a release beep boop

2.4.0 (2025-10-22)

Features

• protocol: a radical proposal for pacaya -> shasta transition (#20224) (e6168d6)
• protocol: add getEpochTimestamp(uint epochOffset) (#19338) (373747b)
• protocol: add ANCHOR_MIN_OFFSET to block derivation process (#20063) (d94331d)
• protocol: add InboxHelper with encoding, decoding, and hashing functions (#20179) (b26bc33)
• protocol: add lookahead store (#19335) (72d6735)
• protocol: add minCheckpointDelay to rate-limit checkpoint saving (#20315) (6593b07)
• protocol: add new ejecter role to main branch (#19788) (c3ec683)
• protocol: add preconf router upgrade to proposal 0004 (#20380) (f53df33)
• protocol: add preconf slasher (#19330) (45f7157)
• protocol: add proposal age to IProofVerifier (#20474) (6e27980)
• protocol: add Proposal0004 for verifier configuration updates on L1 (#20331) (447862e)
• protocol: add tolba network configuration for DCAP SGX verifier (#20239) (3797e68)
• protocol: add unit tests for LibProverAuth (+some fixes) (#19397) (0b35f5d)
• protocol: allow ejectors to add operators to whitelist (#19977) (#19980) (3d923db)
• protocol: allow for different unlocking schedule in TokenUnlock (#19457) (8a741d5)
• protocol: allow operators to register a new address(sequencer) (#19722) (01cc55a)
• protocol: allow voluntary checkpoint sync (#20351) (e7e4417)
• protocol: apply a minimal basefee of 0.1 gwei (#19668) (6aced74)
• protocol: blacklist non-voting addresses for Taiko token (#19402) (619af45)
• protocol: change DevnetShastaInbox to be based on InboxOptimized4 (#20146) (92dc6f3)
• protocol: change IProposeBatch and delete IPreconfRouter (#19337) (7d62280)
• protocol: change min base fee to 0.025 gwei (#19915) (1e5787c)
• protocol: connect lookahead to preconf router (#19336) (84a75eb)
• protocol: design and implement Shasta upgrade (#19882) (2bc26e7)
• protocol: emit Withdrawn event in Anchor (#19619) (0c76d36)
• protocol: enable 3-way base fee sharing (#19348) (862f56c)
• protocol: enable permisionless proposals after a new forced inclusion deadline (#20288) (5d9c18a)
• protocol: enforce tail-only anchoring (#19475) (10e6770)
• protocol: fix anchor tests (#19350) (2f98736)
• protocol: fix and deploy TokenLocker & TaikoTreasuryVault (#19418) (e0612f5)
• protocol: Implement IProposerChecker for the LookaheadStore (#20260) (2a6bfb8)
• protocol: implement Shasta fork (#19664) (2f798ff)
• protocol: Implements multi-source derivation support in Inbox (#20216) (70c654d)
• protocol: improve DelegateOwner (#19485) (d91267c)
• protocol: include msg.sender in public input hash to prevent proof theft (#19597) (ef9159c)
• protocol: increase randomness delay epochs in PreconfWhitelist (#19527) (ac9c3b0)
• protocol: integrate signal service with shasta (#20270) (8b26e13)
• protocol: introduce ICodec to simplify Inbox testing (#20238) (e44e035)
• protocol: introduce prover market for Proposer-Prover Separation (#19273) (4de24bc)
• protocol: introduce ShastaForkRouter with ITaikoInbox's functions named (#19253) (2c66ede)
• protocol: lookahead is not required to be posted in the first slot of an epoch (#20281) (e7f3426)
• protocol: lookahead store and eip-7917 based slasher for shasta (#19931) (4215f5c)
• protocol: make shasta (and future) activation block based (#19531) (15e4fd3)
• protocol: mark forced-inclusion blocks in extraData (#19586) (68308be)
• protocol: measure and store lastAnchorGasUsed in TaikoAnchor (#19359) (9729f16)
• protocol: merge CheckpointManage to Inbox and improve gas (#20169) (6ffba23)
• protocol: only process bond instructions when _blockIndex is 0 (#20278) (7d5b28a)
• protocol: optimize LookaheadStore by removing redundant validations (#20311) (d9eed3e)
• protocol: optimize ProverMarket gas cost (#19319) (1c62db0)
• protocol: optimize TaikoInbox gas (#19415) (1fe0f2b)
• protocol: print fork heights in genesis generation script (#19534) (f79e683)
• protocol: propose function can only be called once per Ethereum block (#20186) (ba3c291)
• protocol: provide a public view function for node to check (#20075) (1ff5669)
• protocol: remove RollupResolver (#19419) (d57f244)
• protocol: remove average fee tracking from ProverMarket (#19325) (38c59df)
• protocol: remove chain/bridge watch dogs from Bridge (#19442) (daaa537)
• protocol: remove quota manager (#19443) (e552932)
• protocol: removes proposal and block limit constants (#20156) (0791237)
• protocol: rename BondInstruction.receiver to BondInstruction.payee (#20248) (b5e74a6)
• protocol: rename BondInstruction.receiver to BondInstruction.payee (#20254) (31a5d7d)
• protocol: replace onchain ProverMarket with offchain markets (#19385) (9bf554c)
• protocol: resolve contract size limits with optimized compilation (#20135) (4cd3ead)
• protocol: restrict base fee in a range [0.005 - 2.5 gwei] (#19611) (1888612)
• protocol: save endOfSubmissionWindowTimeStamp for every L2 block (#20083) (f4b3a0e)
• protocol: shasta anchor returns previous and new state (#20149) (480e023)
• protocol: shasta verifiers (#20200) (deef5a0)
• protocol: some gas optimization for TaikoInbox (#19324) (455f59e)
• protocol: the deployment script for devnet (#20094) (d0831fd)
• protocol: tune shasta base fee parameters (#19610) (908663f)
• protocol: update contract address in config script (#19464) (c6854c5)
• protocol: update EVM version to Prague for layer1 profiles (#20140) (0c96dd3)
• protocol: update genesis generation scripts for Shasta protocol (#20061) (d170a3d)
• protocol: update risc0 verifier to v2.1 (#19605) (6d36a07)
• protocol: update risc0 verifier to v2.2.2 (#19748) (46b6d68)
• protocol: update risc0 verifier to v3.0.0 (#20274) (e07dcfb)
• protocol: upgrade sp1 to v5.0.0 (#19581) (52bc719)
• protocol: upgrade sp1 to v5.0.0 on Hekla (#19582) (748afbc)
• protocol: use fork router to keep anchor address stable (#20483) (d079a34)
• repo: restructure Claude AI configuration and add protocol-specific CLAUDE.md (#19820) (9b3c587)
• taiko-client: add domain envelope type, update l1Origin with signature and forced inclusion marker (#19719) (ee54a9d)
• taiko-client: changes based on protocol ICodec interface (#20289) (4a0dde5)
• taiko-client: introduce ShastaInboxAddress and PacayaInboxAddress flags (#20313) (cbf8dad)
• taiko-client: introduce Shasta event-indexer / proposer rust crates (#20293) (8274479)
• taiko-client: shasta upgrade in client (#20000) (8439ec2)
• taiko-client: update test scripts / bindings after #20413 (#20454) (b2373d5)

Bug Fixes

• ci: optimize GitHub Actions workflows for faster execution (#20339) (152078d)
• protocol: add back deployments/deploy_l1.json output for L1 deployment scripts (#19535) (3d488a7)
• protocol: add fork heights for Hekla (#19656) (8932c7e)
• protocol: add missing lastCheckpointTimestamp to CoreState encoders (#20364) (e3e47b2)
• protocol: allow params.proposer == msg.sender (#19602) (c623565)
• protocol: change default value of unregistered field for a preconf operator (#19760) (9d3f897)
• protocol: compute stored lookahead hash from provided slots (#20252) (725ba47)
• protocol: correct LibEIP1559.basefee argument order in TestLibEIP1559 (#20255) (3a014ab)
• protocol: correct MainnetInbox title and notice references (#20181) (9d18287)
• protocol: decouple bond processing from anchor blocks (#20261) (7010851)
• protocol: enable finalizationGracePeriod (prev: cooldownWindow) (#20091) (1f556ef)
• protocol: enforce non-zero ringBufferSize in constructor (#20267) (5de03ac)
• protocol: fix bond manager vulnerability (#20484) (4f67af1)
• protocol: fix BuildProposal script issue (#19567) (557a68e)
• protocol: fix code to generate DAO proposal 0002 & 0003 (#19536) (cdf4985)
• protocol: fix devnet deployment (#20098) (cbf0fc7)
• protocol: fix inbox code size too large issue (ci failure) (#19414) (d93210c)
• protocol: fix TaikoToken getPastTotalSupply (#19461) (a144a11)
• protocol: re-use operator if consolidate was not called (#19627) (27ba582)
• protocol: reference timestamp for operators within lookahead (#19566) (f71fff7)
• protocol: remove prover info from the transition struct to allow out of order proving (#20165) (ae2ad89)
• protocol: remove unnecessary slasher check in LookaheadStore (#19505) (a219ba2)
• protocol: set ETHEREUM_ROPSTEN chain ID to 3 in LibNetwork (#20284) (75c94a5)
• protocol: transfer proving fee from proposer to designated prover in ShastaAnchor (#20148) (92f9283)
• protocol: validate proposer in TaikoWrapper for forced inclussions (#19810) (14f5c8a)

Chores

• fix some minor issues in comments (#19740) (e39f4db)
• protocol, relayer: fix some minor issues (#19764) (8b058f3)
• protocol: abstract bond calulcation logic in libraries (#20125) (38e08a2)
• protocol: add chain id of taiko hoodi (#20482) (d093cd0)
• protocol: add protocol-test-runner (#20133) (0d0cf7e)
• protocol: add URC (https://github.com/eth-fabric/urc main branch) dependency (#19287) (8adc862)
• protocol: align basefeeSharingPctg expectation and remove unused constant (#20264) (4b9a241)
• protocol: change nextProposalBlockId to lastProposalBlockId (#20294) (2e14f27)
• protocol: change the livenessBondBase back to 125 TAIKO (#19463) (9f70297)
• protocol: check bridge message.to is not zero address (#19538) (3f6dcbf)
• protocol: clarify forced-inclusion numTransactions policy in TaikoWrapper (#20227) (cded0c2)
• protocol: clean up Hekla files (#20312) (3503c28)
• protocol: configurable gas issuance changes (#19843) (60dd73d)
• protocol: correct some inconsistent comments (#20163) (83a7058)
• protocol: create a DAO standard proposal for exercise (#19431) (d12fd47)
• protocol: fix misleadind method name to match behavior (#20243) (bd108fd)
• protocol: improve Inbox initializer (#20070) (3e0dab1)
• protocol: introduce Controller and build DAO proposal-0002 (#19498) (ff21332)
• protocol: log TaikoToken implementation upgrade (#19432) (601c346)
• protocol: lower liveness bond to 25 TAIKO tokens for whitelist launch (#19761) (f56e291)
• protocol: make sure the wrapper is not used alone (#19813) (2c4cc51)
• protocol: mv contracts/shared/goverance to contracts/shared/governance (#19647) (41e1092)
• protocol: optimize forcedInclusionDelay to uint16 and fix some lint warnings (#20295) (bd7b360)
• protocol: refactor TaikoSgxVerifier constructor (#19380) (3217008)
• protocol: remove based2/ (#19925) (3e4e4bb)
• protocol: remove dead error InvalidParams from IForcedInclusionStore (#20330) (e1981c2)
• protocol: remove LibProverAuth.sol (wrongly committed) (#19406) (e7d0329)
• protocol: remove suite1 tests (#20198) (b066898)
• protocol: remove unused BlockParams temp array in anchorBlockId parent test (#20259) (2de9bf4)
• protocol: remove unused BTOKEN_INVALID_PARAMS error (#20296) (06518a2)
• protocol: remove unused constants from encoder fuzz tests (#20379) (f3ff509)
• protocol: remove unused env checks from DeployProtocolOnL1 (#20369) (da40e02)
• protocol: remove unused ForcedInclusionParamsNotAllowed error from ProverSet (#20195) (80e0ff5)
• protocol: remove unused LibMath using in TaikoWrapper (#20321) (2356d15)
• protocol: remove unused packages and add urc remapping (#19321) (88657b3)
• protocol: remove unused preconfSlasher from LookaheadSlasher (#20356) (18c5315)
• protocol: remove unused SlashAmountUpdated event from IPreconfSlasher (#20187) (1a979c6)
• protocol: remove unused TT_INVALID_PARAM error from TaikoToken.sol (#20226) (c24b4b4)
• protocol: remove unused Unauthorized error declarations (#20189) (87b3760)
• protocol: remove unused validator() from BeaconProofs fixture (#20282) (0491af6)
• protocol: rename entrypoint to iProposeBatch (#19371) (6a8a702)
• protocol: rename guardian to protector to avoid confusion (#19508) (9c6699e)
• protocol: rename l2ChainId to taikoChainId in sol files (#19460) (1da7e08)
• protocol: revert RESOLVER_NOT_FOUND when resolver is zero (#20300) (7c92db5)
• protocol: simplify and make the whitelist more efficient (#20201) (49fe1b2)
• protocol: trigger solidity formatting (#20473) (d7c22f5)
• protocol: update maxAnchorHeightOffset from 64 to 96 (#19557) (8b3b7be)
• protocol: update protocol.yml and foundry.toml (#20467) (4e19db1)
• protocol: update tcbs (#19512) (a264d41)
• protocol: update the pacaya fork height on mainnet (#19449) (6b481c7)
• protocol: use txt files for logging gas and layout tables (#19306) (54183ea)
• protocol: use type(uint16).max for numTransaction in forced transaction (#19609) (a01a2ea)
• repo: remove monitors package as Defender is deprecated (#19870) (3f666af)

Documentation

• protocol,relayer,taiko-client: fix some inaccuracies in docs (#20221) (5be8b50)
• protocol: add analysis for 208 bits of Keccak security (#20378) (249cebe)
• protocol: add chainbound's preconfer back (#19978) (8222cf6)
• protocol: add comments about total Bridge balance in MainnetBridge.sol (#19570) (c7dcfc3)
• protocol: add Gattaca's proposer (#19936) (56a28bb)
• protocol: add more Shasta derivation details (#20439) (63e1758)
• protocol: add nethermind's operator & rm chainbound's temporarily (#19950) (5dffefd)
• protocol: add Preconfer Operator Transition section (#20409) (be234b3)
• protocol: add shasta inbox deployment on taiko hoodi (#20399) (8c800ff)
• protocol: anchorBlockHash and verifiedTransitionId doc comments (#20142) (28bff6e)
• protocol: bump the version of risc0 to v3.0.0 (#20314) (ddc962c)
• protocol: changes about proposer & prover on mainnet (#19574) (24d5fcf)
• protocol: contract deployment logs of tolba testnet (#20123) (b8dc8a1)
• protocol: correct recallMessage comment to reflect dest-chain failure and source-chain recall (#20236) (3a17f59)
• protocol: deployment logs for preconfirmation on Hekla (#19563) (29971ad)
• protocol: deployment logs of sp1 v5.0.0 on mainnet (#19583) (576d583)
• protocol: deployment logs on alethia for Pacaya (#19484) (108a4fd)
• protocol: deployment logs on mainnet for Pacaya (#19465) (1b2a23c)
• protocol: document ownership changes (#19639) (2e54f86)
• protocol: document taiko token ownership change (#19594) (4a52b5f)
• protocol: document vault owner changes on L1 and L2 (#19614) (ce1f1fe)
• protocol: enable ejector and EOA fallback proposer on Hekla (#19896) (999f38f)
• protocol: fix Block in type name (#20118) (b81eae7)
• protocol: fix broken link (#20034) (ae72352)
• protocol: fix broken link (#20089) (783b560)
• protocol: fix broken link (#20143) (4df033b)
• protocol: fix broken link (#20153) (8b472b8)
• protocol: fix registered address in mainnet log (#19456) (2ddcc71)
• protocol: fix some grammatical issues (#20157) (cfacdf9)
• protocol: fix typos and grammar issues throughout protocol package (#20172) (d3c232d)
• protocol: format deployment docs (#19560) (b7ecfcf)
• protocol: improve InboxOptimized documentation (#20132) (57fbca8)
• protocol: mark Pacaya files as deprecated (#20382) (d28b8b7)
• protocol: rename & upgrade zk verifiers on Taiko Hoodi (#20222) (e24c865)
• protocol: reset taiko-hoodi chain (#20477) (cb4ef41)
• protocol: set mixHash to prevRandao per EIP-4399 (#20206) (e1cca8e)
• protocol: the deployment of Shasta Anchor on Taiko-Hoodi (#20405) (b8ce6f4)
• protocol: the new impl for saving gas on Hekla (#19989) (e5e6098)
• protocol: the preconf deployment logs on mainnet (#19778) (cfe0ef4)
• protocol: update Derivation.md for new anchor transaction method name (#20494) (eb7adbe)
• protocol: update base fee sharing to 75 (#19684) (43448e3)
• protocol: update Derivation.md with correct Solidity struct definitions (#20306) (d3dc841)
• protocol: update l1 contract owner log file (#20040) (58f449d)
• protocol: update mainnet deployment (#19468) (6bcd3c1)
• protocol: update mainnet L1 deployment (#19480) (40c1dd4)
• protocol: update proof verifier to OP on Taiko Hoodi (#20185) (bab62a9)
• protocol: update signal_service on Hekla (#19568) (9153264)
• protocol: upgrade inbox & anchor contracts on Hekla (#19678) (5069c49)
• protocol: upgrade preconf router to fallback version (#20453) (95f22b5)
• protocol: upgrade preconf whitelist (#19641) (78f498c)
• protocol: upgrade prover set to make router as entrypoint (#19859) (1f91122)
• protocol: upgrade risc0 to v2.2.2 (#19749) (a0ef93d)
• protocol: upgrade TaikoAnchor with 0.025gwei min base fee (#19943) (9c82a52)
• repo: add codex agent guides (#20246) (93ba342)
• repo: use symbolic links for AGENTS.md files (#20251) (1fc74d2)

Code Refactoring

• protocol: add TaikoDAOController (#19423) (10e7910)
• protocol: clean up folder structure and remove Pacaya contracts (#20413) (697cf80)
• protocol: consolidate forced inclusion checks to minimize storage ops (#20319) (39557aa)
• protocol: convert verifiers to view-only functions (#20432) (af98b1f)
• protocol: extract bond instruction merging logic to LibBondsL1 (#20131) (2089cfd)
• protocol: further refactor address resolving code (#19451) (57ee57b)
• protocol: getBatch return storage pointer instead of memory copy (#19543) (2536afa)
• protocol: import path and update documentation in Mainnet contracts (#19728) (48822a6)
• protocol: improve conflict detection and composite key versioning (#20327) (81e53c7)
• protocol: improve lookahead store readability and add views for assisting the node (#20253) (b562e03)
• protocol: introduce EssentialResolverContract (#19441) (3692890)
• protocol: make HeklaInbox inherit MainInbox (#19346) (d2a812e)
• protocol: optimize inbox tests to share configs (#19345) (a1ac69d)
• protocol: refactor LibPreconfUtils and LibPreconfConstants (#19436) (de7ce0d)
• protocol: refactor TaikoAnchor code (#19291) (6da8380)
• protocol: refactor verifier code (#19450) (9a2cd64)
• protocol: remove Config and use immutables (#20093) (96b00ff)
• protocol: remove redundant checkRecallMessageContext check (#20324) (31d0915)
• protocol: remove resolver dependency from TaikoAnchor (#19416) (1dfe991)
• protocol: remove unreachable zero-proof path; require non-empty proofs in SignalService (#20219) (8b13ed6)
• protocol: rename v4IsOnL1 to v4IsInbox (#19474) (6632e9a)
• protocol: use verifier IDs instead of addresses in ComposeVerifier (#20447) (ebbf2db)
• taiko-client: cleanup Ontake fork implementation (#19294) (e6c780d)

Tests

• protocol: add bond manager tests (#20490) (6bc47a9)
• protocol: add tests for preconf slasher (#19620) (c7662c9)
• protocol: improve Shasta inbox coverage and preconf handling (#20449) (e5d71b9)
• protocol: test lookahead store (#19658) (0e39d90)
• protocol: test preconf router 2 (#19714) (8b83cca)

Workflow

• protocol: fix layout generation issue in ci (#19377) (61e508b)
• protocol: force CI and local use the same foundry version (#20491) (bfa9d37)

Reverted Commits

• protocol: remove marker from batch parameter (#19309) (efa58ea)
• protocol: revert "enable 3-way base fee sharing" (commit 862f56c) for simplicity (#19596) (540300e)

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