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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
/**
 * @title IL1ChugSplashDeployer
 */
interface IL1ChugSplashDeployer {
    function isUpgrading() external view returns (bool);
}
/**
 * @custom:legacy
 * @title L1ChugSplashProxy
 * @notice Basic ChugSplash proxy contract for L1. Very close to being a normal proxy but has added
 *         functions `setCode` and `setStorage` for changing the code or storage of the contract.
 *
 *         Note for future developers: do NOT make anything in this contract 'public' unless you
 *         know what you're doing. Anything public can potentially have a function signature that
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pragma solidity 0.4.24;
// File: openzeppelin-solidity/contracts/token/ERC20/ERC20Basic.sol
/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * See https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  function totalSupply() public view returns (uint256);
  function balanceOf(address _who) public view returns (uint256);
  function transfer(address _to, uint256 _value) public returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
/**
 * @title Proxy
 * @notice Proxy is a transparent proxy that passes through the call if the caller is the owner or
 *         if the caller is address(0), meaning that the call originated from an off-chain
 *         simulation.
 */
contract Proxy {
    /**
     * @notice The storage slot that holds the address of the implementation.
     *         bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)
     */
    bytes32 internal constant IMPLEMENTATION_KEY =
        0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
    /**
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
import { AddressManager } from "./AddressManager.sol";
/**
 * @custom:legacy
 * @title ResolvedDelegateProxy
 * @notice ResolvedDelegateProxy is a legacy proxy contract that makes use of the AddressManager to
 *         resolve the implementation address. We're maintaining this contract for backwards
 *         compatibility so we can manage all legacy proxies where necessary.
 */
contract ResolvedDelegateProxy {
    /**
     * @notice Mapping used to store the implementation name that corresponds to this contract. A
     *         mapping was originally used as a way to bypass the same issue normally solved by
     *         storing the implementation address in a specific storage slot that does not conflict
     *         with any other storage slot. Generally NOT a safe solution but works as long as the
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
/**
 * @custom:legacy
 * @title AddressManager
 * @notice AddressManager is a legacy contract that was used in the old version of the Optimism
 *         system to manage a registry of string names to addresses. We now use a more standard
 *         proxy system instead, but this contract is still necessary for backwards compatibility
 *         with several older contracts.
 */
contract AddressManager is Ownable {
    /**
     * @notice Mapping of the hashes of string names to addresses.
     */
    mapping(bytes32 => address) private addresses;
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
import { Predeploys } from "../libraries/Predeploys.sol";
import { StandardBridge } from "../universal/StandardBridge.sol";
import { Semver } from "../universal/Semver.sol";
/**
 * @custom:proxied
 * @title L1StandardBridge
 * @notice The L1StandardBridge is responsible for transfering ETH and ERC20 tokens between L1 and
 *         L2. In the case that an ERC20 token is native to L1, it will be escrowed within this
 *         contract. If the ERC20 token is native to L2, it will be burnt. Before Bedrock, ETH was
 *         stored within this contract. After Bedrock, ETH is instead stored inside the
 *         OptimismPortal contract.
 *         NOTE: this contract is not intended to support all variations of ERC20 tokens. Examples
 *         of some token types that may not be properly supported by this contract include, but are
 *         not limited to: tokens with transfer fees, rebasing tokens, and tokens with blocklists.
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
/**
 * @custom:legacy
 * @title AddressManager
 * @notice AddressManager is a legacy contract that was used in the old version of the Optimism
 *         system to manage a registry of string names to addresses. We now use a more standard
 *         proxy system instead, but this contract is still necessary for backwards compatibility
 *         with several older contracts.
 */
contract AddressManager is Ownable {
    /**
     * @notice Mapping of the hashes of string names to addresses.
     */
    mapping(bytes32 => address) private addresses;
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
import { Predeploys } from "../libraries/Predeploys.sol";
import { OptimismPortal } from "./OptimismPortal.sol";
import { CrossDomainMessenger } from "../universal/CrossDomainMessenger.sol";
import { Semver } from "../universal/Semver.sol";
/**
 * @custom:proxied
 * @title L1CrossDomainMessenger
 * @notice The L1CrossDomainMessenger is a message passing interface between L1 and L2 responsible
 *         for sending and receiving data on the L1 side. Users are encouraged to use this
 *         interface instead of interacting with lower-level contracts directly.
 */
contract L1CrossDomainMessenger is CrossDomainMessenger, Semver {
    /**
     * @notice Address of the OptimismPortal.
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
import { Initializable } from "@openzeppelin/contracts/proxy/utils/Initializable.sol";
import { SafeCall } from "../libraries/SafeCall.sol";
import { L2OutputOracle } from "./L2OutputOracle.sol";
import { SystemConfig } from "./SystemConfig.sol";
import { Constants } from "../libraries/Constants.sol";
import { Types } from "../libraries/Types.sol";
import { Hashing } from "../libraries/Hashing.sol";
import { SecureMerkleTrie } from "../libraries/trie/SecureMerkleTrie.sol";
import { AddressAliasHelper } from "../vendor/AddressAliasHelper.sol";
import { ResourceMetering } from "./ResourceMetering.sol";
import { Semver } from "../universal/Semver.sol";
/// @custom:proxied
/// @title OptimismPortal
/// @notice The OptimismPortal is a low-level contract responsible for passing messages between L1
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
/**
 * @title Proxy
 * @notice Proxy is a transparent proxy that passes through the call if the caller is the owner or
 *         if the caller is address(0), meaning that the call originated from an off-chain
 *         simulation.
 */
contract Proxy {
    /**
     * @notice The storage slot that holds the address of the implementation.
     *         bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)
     */
    bytes32 internal constant IMPLEMENTATION_KEY =
        0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
    /**
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