> For the complete Linea documentation index, see [llms.txt](/llms.txt). > Agents can fetch this page as Markdown at [https://docs.linea.build/api/linea-smart-contracts/zkevmv2.md](https://docs.linea.build/api/linea-smart-contracts/zkevmv2.md). # ZkEvmV2 # `ZkEvmV2` ### MODULO_R ```solidity uint256 MODULO_R ``` ### OPERATOR_ROLE ```solidity bytes32 OPERATOR_ROLE ``` ### currentTimestamp ```solidity uint256 currentTimestamp ``` _DEPRECATED in favor of currentFinalizedState hash._ ### currentL2BlockNumber ```solidity uint256 currentL2BlockNumber ``` The most recent finalized L2 block number. ### stateRootHashes ```solidity mapping(uint256 => bytes32) stateRootHashes ``` The most recent L2 state root hash mapped by block number. ### verifiers ```solidity mapping(uint256 => address) verifiers ``` The verifier address to use for a proof type when proving. ### _verifyProof ```solidity function _verifyProof(uint256 _publicInput, uint256 _proofType, bytes _proof) internal ``` Verifies the proof with locally computed public inputs. _If the verifier based on proof type is not found, it reverts with InvalidProofType._ #### Parameters | Name | Type | Description | | --- | --- | --- | | _publicInput | uint256 | The computed public input hash cast as uint256. | | _proofType | uint256 | The proof type to determine which verifier contract to use. | | _proof | bytes | The proof to be verified with the proof type verifier contract. | Contributions not accepted These reference pages are automatically generated based on Linea's [smart contracts](https://github.com/Consensys/linea-monorepo/tree/main/contracts/src). To ensure they accurately match the deployed smart contracts, we cannot accept any contributions that edit these pages.