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// SPDX-License-Identifier: MIT
pragma solidity >0.5.0 <0.8.0;

/* Library Imports */
import { Lib_AddressManager } from "./Lib_AddressManager.sol";

/**
 * @title Lib_ResolvedDelegateProxy
 */
contract Lib_ResolvedDelegateProxy {

    /*************
     * Variables *
     *************/

    // Using mappings to store fields to avoid overwriting storage slots in the
    // implementation contract. For example, instead of storing these fields at
    // storage slot `0` & `1`, they are stored at `keccak256(key + slot)`.
    // See: https://solidity.readthedocs.io/en/v0.7.0/internals/layout_in_storage.html
    // NOTE: Do not use this code in your own contract system.
    //      There is a known flaw in this contract, and we will remove it from the repository
    //      in the near future. Due to the very limited way that we are using it, this flaw is
    //      not an issue in our system.
    mapping (address => string) private implementationName;
    mapping (address => Lib_AddressManager) private addressManager;


    /***************
     * Constructor *
     ***************/

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


    /*********************
     * Fallback Function *
     *********************/

    fallback()
        external
        payable
    {
        address target = addressManager[address(this)].getAddress(
            (implementationName[address(this)])
        );

        require(
            target != address(0),
            "Target address must be initialized."
        );

        (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 >=0.6.0 <0.8.0;

import "../utils/Context.sol";
/**
 * @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 () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        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 {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >0.5.0 <0.8.0;

/* External Imports */
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @title Lib_AddressManager
 */
contract Lib_AddressManager is Ownable {

    /**********
     * Events *
     **********/

    event AddressSet(
        string _name,
        address _newAddress
    );


    /*************
     * Variables *
     *************/

    mapping (bytes32 => address) private addresses;


    /********************
     * Public Functions *
     ********************/

    /**
     * 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
    {
        addresses[_getNameHash(_name)] = _address;

        emit AddressSet(
            _name,
            _address
        );
    }

    /**
     * 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)];
    }


    /**********************
     * Internal Functions *
     **********************/

    /**
     * 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));
    }
}

{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

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

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

000000000000000000000000668e5b997b9ae88a56cd40409119d4db9e6d752e0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000001a4f564d5f4c3143726f7373446f6d61696e4d657373656e676572000000000000

-----Decoded View---------------
Arg [0] : _libAddressManager (address): 0x668E5b997b9aE88a56cd40409119d4Db9e6d752E
Arg [1] : _implementationName (string): OVM_L1CrossDomainMessenger

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000668e5b997b9ae88a56cd40409119d4db9e6d752e
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 000000000000000000000000000000000000000000000000000000000000001a
Arg [3] : 4f564d5f4c3143726f7373446f6d61696e4d657373656e676572000000000000