@unruggable/gateways/dist/esm/linea/types.mjs

Trustless Ethereum Multichain CCIP-Read Gateway

import { Interface } from 'ethers/abi';
import { ABI_CODER, NULL_CODE_HASH } from '../utils.mjs';
import { dataSlice } from 'ethers/utils';
export const ROLLUP_ABI = new Interface([
    // ZkEvmV2.sol
    `function currentL2BlockNumber() view returns (uint256)`,
    `function stateRootHashes(uint256 l2BlockNumber) view returns (bytes32)`,
    `function shnarfFinalBlockNumbers(bytes32 shnarf) external view returns (uint256)`,
    // ILineaRollup.sol
    `event DataFinalized(
    uint256 indexed lastBlockFinalized,
    bytes32 indexed startingRootHash,
    bytes32 indexed finalRootHash,
    bool withProof
  )`,
    `event DataFinalizedV3(
    uint256 indexed startBlockNumber,
    uint256 indexed endBlockNumber,
    bytes32 indexed shnarf,
    bytes32 parentStateRootHash,
    bytes32 finalStateRootHash
  )`,
    `event DataSubmittedV3(
    bytes32 parentShnarf,
    bytes32 indexed shnarf,
    bytes32 finalStateRootHash
  )`,
    `function submitBlobs(
    (
      uint256 dataEvaluationClaim,
      bytes kzgCommitment,
      bytes kzgProof,
      bytes32 finalStateRootHash,
      bytes32 snarkHash,
    )[] blobSubmissionData,
    bytes32 parentShnarf,
    bytes32 finalBlobShnarf
  ) external`,
    // IZkEvmV2.sol
    `event BlocksVerificationDone(
    uint256 indexed lastBlockFinalized,
    bytes32 startingRootHash,
    bytes32 finalRootHash
  )`,
]);
export function isInclusionProof(proof) {
    return 'leafIndex' in proof;
}
//const NULL_CODE_HASH = '0x0134373b65f439c874734ff51ea349327c140cde2e47a933146e6f9f2ad8eb17'; // mimc(ZeroHash)
export function isContract(accountProof) {
    return (isInclusionProof(accountProof) &&
        // https://github.com/Consensys/linea-monorepo/blob/a001342170768a22988a29b2dca8601199c6e205/contracts/contracts/lib/SparseMerkleProof.sol#L23
        dataSlice(accountProof.proof.value, 128, 160) !== NULL_CODE_HASH);
}
export function encodeProof(proof) {
    const T = '(uint256, bytes, bytes[])';
    return ABI_CODER.encode([T, T], isInclusionProof(proof)
        ? [
            [proof.leafIndex, proof.proof.value, proof.proof.proofRelatedNodes],
            [0, '0x', []],
        ]
        : [
            [
                proof.leftLeafIndex,
                proof.leftProof.value,
                proof.leftProof.proofRelatedNodes,
            ],
            [
                proof.rightLeafIndex,
                proof.rightProof.value,
                proof.rightProof.proofRelatedNodes,
            ],
        ]);
}