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

import { Semver } from "../universal/Semver.sol";

/// @custom:legacy
/// @custom:proxied
/// @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 Semver {
    /// @notice Mapping of sent message hashes to boolean status.
    mapping(bytes32 => bool) public sentMessages;

    /// @custom:semver 0.1.2
    constructor() Semver(0, 1, 2) {}

    /// @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;

import { Strings } from "@openzeppelin/contracts/utils/Strings.sol";

/// @title Semver
/// @notice Semver is a simple contract for managing contract versions.
contract Semver {
    /// @notice Contract version number (major).
    uint256 private immutable MAJOR_VERSION;

    /// @notice Contract version number (minor).
    uint256 private immutable MINOR_VERSION;

    /// @notice Contract version number (patch).
    uint256 private immutable PATCH_VERSION;

    /// @param _major Version number (major).
    /// @param _minor Version number (minor).
    /// @param _patch Version number (patch).
    constructor(
        uint256 _major,
        uint256 _minor,
        uint256 _patch
    ) {
        MAJOR_VERSION = _major;
        MINOR_VERSION = _minor;
        PATCH_VERSION = _patch;
    }

    /// @notice Returns the full semver contract version.
    /// @return Semver contract version as a string.
    function version() public view returns (string memory) {
        return
            string(
                abi.encodePacked(
                    Strings.toString(MAJOR_VERSION),
                    ".",
                    Strings.toString(MINOR_VERSION),
                    ".",
                    Strings.toString(PATCH_VERSION)
                )
            );
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

{
  "remappings": [
    "@cwia/=node_modules/clones-with-immutable-args/src/",
    "@openzeppelin/=node_modules/@openzeppelin/",
    "@openzeppelin/contracts-upgradeable/=node_modules/@openzeppelin/contracts-upgradeable/",
    "@openzeppelin/contracts/=node_modules/@openzeppelin/contracts/",
    "@rari-capital/=node_modules/@rari-capital/",
    "@rari-capital/solmate/=node_modules/@rari-capital/solmate/",
    "clones-with-immutable-args/=node_modules/clones-with-immutable-args/",
    "ds-test/=node_modules/ds-test/src/",
    "forge-std/=node_modules/forge-std/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "metadata": {
    "bytecodeHash": "none"
  },
  "outputSelection": {
    "*": {
      "": [
        "ast"
      ],
      "*": [
        "abi",
        "evm.bytecode",
        "evm.deployedBytecode",
        "evm.methodIdentifiers",
        "metadata"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"bytes","name":"_message","type":"bytes"}],"name":"passMessageToL1","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"sentMessages","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]

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