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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
     *         implementation does not also keep a mapping in the first storage slot.
     */
    mapping(address => string) private implementationName;

    /**
     * @notice Mapping used to store the address of the AddressManager contract where the
     *         implementation address will be resolved from. Same concept here as with the above
     *         mapping. Also generally unsafe but fine if the implementation doesn't keep a mapping
     *         in the second storage slot.
     */
    mapping(address => AddressManager) private addressManager;

    /**
     * @param _addressManager  Address of the AddressManager.
     * @param _implementationName implementationName of the contract to proxy to.
     */
    constructor(AddressManager _addressManager, string memory _implementationName) {
        addressManager[address(this)] = _addressManager;
        implementationName[address(this)] = _implementationName;
    }

    /**
     * @notice Fallback, performs a delegatecall to the resolved implementation address.
     */
    // solhint-disable-next-line no-complex-fallback
    fallback() external payable {
        address target = addressManager[address(this)].getAddress(
            (implementationName[address(this)])
        );

        require(target != address(0), "ResolvedDelegateProxy: target address must be initialized");

        // slither-disable-next-line controlled-delegatecall
        (bool success, bytes memory returndata) = target.delegatecall(msg.data);

        if (success == true) {
            assembly {
                return(add(returndata, 0x20), mload(returndata))
            }
        } else {
            assembly {
                revert(add(returndata, 0x20), mload(returndata))
            }
        }
    }
}

// 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;

    /**
     * @notice Emitted when an address is modified in the registry.
     *
     * @param name       String name being set in the registry.
     * @param newAddress Address set for the given name.
     * @param oldAddress Address that was previously set for the given name.
     */
    event AddressSet(string indexed name, address newAddress, address oldAddress);

    /**
     * @notice Changes the address associated with a particular name.
     *
     * @param _name    String name to associate an address with.
     * @param _address Address to associate with the name.
     */
    function setAddress(string memory _name, address _address) external onlyOwner {
        bytes32 nameHash = _getNameHash(_name);
        address oldAddress = addresses[nameHash];
        addresses[nameHash] = _address;

        emit AddressSet(_name, _address, oldAddress);
    }

    /**
     * @notice Retrieves the address associated with a given name.
     *
     * @param _name Name to retrieve an address for.
     *
     * @return Address associated with the given name.
     */
    function getAddress(string memory _name) external view returns (address) {
        return addresses[_getNameHash(_name)];
    }

    /**
     * @notice Computes the hash of a name.
     *
     * @param _name Name to compute a hash for.
     *
     * @return Hash of the given name.
     */
    function _getNameHash(string memory _name) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked(_name));
    }
}

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

pragma solidity ^0.8.0;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}


/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

{
  "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/",
    "hardhat-deploy/=node_modules/hardhat-deploy/",
    "hardhat/=node_modules/hardhat/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "metadata": {
    "bytecodeHash": "none"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

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[{"inputs":[{"internalType":"contract AddressManager","name":"_addressManager","type":"address"},{"internalType":"string","name":"_implementationName","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"}]

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