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Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0xdC40a14d...3441ca506 The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
ResolvedDelegateProxy
Compiler Version
v0.8.15+commit.e14f2714
Optimization Enabled:
Yes with 999999 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// 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": {} }
Contract Security Audit
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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"}]
Deployed Bytecode
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