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0x50379f632ca68D36E50cfBC8F78fe16bd1499d1e
 
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136410932021-11-18 19:09:211110 days ago1637262561  Contract Creation0 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xFB3fadDa...1371F24D7
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
EIP173Proxy

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 1 runs

Other Settings:
default evmVersion
File 1 of 2 : EIP173Proxy.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.4;

import "./Proxy.sol";

interface ERC165 {
    function supportsInterface(bytes4 id) external view returns (bool);
}

///@notice Proxy implementing EIP173 for ownership management
contract EIP173Proxy is Proxy {
    // ////////////////////////// EVENTS ///////////////////////////////////////////////////////////////////////

    event ProxyAdminTransferred(
        address indexed previousAdmin,
        address indexed newAdmin
    );

    // /////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////////////

    constructor(
        address implementationAddress,
        address adminAddress,
        bytes memory data
    ) payable {
        _setImplementation(implementationAddress, data);
        _setProxyAdmin(adminAddress);
    }

    // ///////////////////// EXTERNAL ///////////////////////////////////////////////////////////////////////////

    function proxyAdmin() external view returns (address) {
        return _proxyAdmin();
    }

    function supportsInterface(bytes4 id) external view returns (bool) {
        if (id == 0x01ffc9a7 || id == 0x7f5828d0) {
            return true;
        }
        if (id == 0xFFFFFFFF) {
            return false;
        }

        ERC165 implementation;
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            implementation := sload(
                0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc
            )
        }

        // Technically this is not standard compliant as ERC-165 require 30,000 gas which that call cannot ensure
        // because it is itself inside `supportsInterface` that might only get 30,000 gas.
        // In practise this is unlikely to be an issue.
        try implementation.supportsInterface(id) returns (bool support) {
            return support;
        } catch {
            return false;
        }
    }

    function transferProxyAdmin(address newAdmin) external onlyProxyAdmin {
        _setProxyAdmin(newAdmin);
    }

    function upgradeTo(address newImplementation) external onlyProxyAdmin {
        _setImplementation(newImplementation, "");
    }

    function upgradeToAndCall(address newImplementation, bytes calldata data)
        external
        payable
        onlyProxyAdmin
    {
        _setImplementation(newImplementation, data);
    }

    // /////////////////////// MODIFIERS ////////////////////////////////////////////////////////////////////////

    modifier onlyProxyAdmin() {
        require(msg.sender == _proxyAdmin(), "NOT_AUTHORIZED");
        _;
    }

    // ///////////////////////// INTERNAL //////////////////////////////////////////////////////////////////////

    function _proxyAdmin() internal view returns (address adminAddress) {
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            adminAddress := sload(
                0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103
            )
        }
    }

    function _setProxyAdmin(address newAdmin) internal {
        address previousAdmin = _proxyAdmin();
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            sstore(
                0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103,
                newAdmin
            )
        }
        emit ProxyAdminTransferred(previousAdmin, newAdmin);
    }
}

File 2 of 2 : Proxy.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.4;

// EIP-1967
abstract contract Proxy {
    // /////////////////////// EVENTS ///////////////////////////////////////////////////////////////////////////

    event ProxyImplementationUpdated(
        address indexed previousImplementation,
        address indexed newImplementation
    );

    // ///////////////////// EXTERNAL ///////////////////////////////////////////////////////////////////////////

    // prettier-ignore
    receive() external payable virtual {
        revert("ETHER_REJECTED"); // explicit reject by default
    }

    fallback() external payable {
        _fallback();
    }

    // ///////////////////////// INTERNAL //////////////////////////////////////////////////////////////////////

    function _fallback() internal {
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            let implementationAddress := sload(
                0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc
            )
            calldatacopy(0x0, 0x0, calldatasize())
            let success := delegatecall(
                gas(),
                implementationAddress,
                0x0,
                calldatasize(),
                0,
                0
            )
            let retSz := returndatasize()
            returndatacopy(0, 0, retSz)
            switch success
                case 0 {
                    revert(0, retSz)
                }
                default {
                    return(0, retSz)
                }
        }
    }

    function _setImplementation(address newImplementation, bytes memory data)
        internal
    {
        address previousImplementation;
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            previousImplementation := sload(
                0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc
            )
        }

        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            sstore(
                0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc,
                newImplementation
            )
        }

        emit ProxyImplementationUpdated(
            previousImplementation,
            newImplementation
        );

        if (data.length > 0) {
            (bool success, ) = newImplementation.delegatecall(data);
            if (!success) {
                assembly {
                    // This assembly ensure the revert contains the exact string data
                    let returnDataSize := returndatasize()
                    returndatacopy(0, 0, returnDataSize)
                    revert(0, returnDataSize)
                }
            }
        }
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"implementationAddress","type":"address"},{"internalType":"address","name":"adminAddress","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":true,"internalType":"address","name":"newAdmin","type":"address"}],"name":"ProxyAdminTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousImplementation","type":"address"},{"indexed":true,"internalType":"address","name":"newImplementation","type":"address"}],"name":"ProxyImplementationUpdated","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"proxyAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"id","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"transferProxyAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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