Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;

import { ISemver } from "src/universal/interfaces/ISemver.sol";

/// @custom:legacy true
/// @custom:proxied true
/// @custom:predeploy 0x4200000000000000000000000000000000000000
/// @title LegacyMessagePasser
/// @notice The LegacyMessagePasser was the low-level mechanism used to send messages from L2 to L1
///         before the Bedrock upgrade. It is now deprecated in favor of the new MessagePasser.
contract LegacyMessagePasser is ISemver {
    /// @notice Mapping of sent message hashes to boolean status.
    mapping(bytes32 => bool) public sentMessages;

    /// @notice Semantic version.
    /// @custom:semver 1.1.1-beta.1
    string public constant version = "1.1.1-beta.1";

    /// @notice Passes a message to L1.
    /// @param _message Message to pass to L1.
    function passMessageToL1(bytes memory _message) external {
        sentMessages[keccak256(abi.encodePacked(_message, msg.sender))] = true;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/// @title ISemver
/// @notice ISemver is a simple contract for ensuring that contracts are
///         versioned using semantic versioning.
interface ISemver {
    /// @notice Getter for the semantic version of the contract. This is not
    ///         meant to be used onchain but instead meant to be used by offchain
    ///         tooling.
    /// @return Semver contract version as a string.
    function version() external view returns (string memory);
}

{
  "evmVersion": "london",
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": false
  },
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "remappings": [
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-v5/=lib/openzeppelin-contracts-v5/contracts/",
    "@rari-capital/solmate/=lib/solmate/",
    "@lib-keccak/=lib/lib-keccak/contracts/lib/",
    "@solady/=lib/solady/src/",
    "forge-std/=lib/forge-std/src/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "safe-contracts/=lib/safe-contracts/contracts/",
    "kontrol-cheatcodes/=lib/kontrol-cheatcodes/src/",
    "gelato/=lib/automate/contracts/",
    "@solady-test/=lib/lib-keccak/lib/solady/test/",
    "automate/=lib/automate/contracts/",
    "erc4626-tests/=lib/openzeppelin-contracts-v5/lib/erc4626-tests/",
    "hardhat/=lib/automate/node_modules/hardhat/",
    "lib-keccak/=lib/lib-keccak/contracts/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts-v5/=lib/openzeppelin-contracts-v5/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "prb-test/=lib/automate/lib/prb-test/src/",
    "prb/-est/=lib/automate/lib/prb-test/src/",
    "solady/=lib/solady/",
    "solmate/=lib/solmate/src/"
  ],
  "viaIR": false
}

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