MATIC Price: $0.723917 (-0.73%)
Gas: 32 GWei
 

Overview

MATIC Balance

Polygon PoS Chain LogoPolygon PoS Chain LogoPolygon PoS Chain Logo0 MATIC

MATIC Value

$0.00

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Transaction Hash
Method
Block
From
To
Value
0x60806040292384322022-06-06 14:14:31719 days ago1654524871IN
 Contract Creation
0 MATIC0.0334415554.50662151

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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x4018BFa5...02F1166f8
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
EIP173Proxy

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 999999 runs

Other Settings:
default evmVersion, MIT license
File 1 of 2 : EIP173Proxy.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

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 OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

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

    constructor(
        address implementationAddress,
        address ownerAddress,
        bytes memory data
    ) payable {
        _setImplementation(implementationAddress, data);
        _setOwner(ownerAddress);
    }

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

    function owner() external view returns (address) {
        return _owner();
    }

    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 transferOwnership(address newOwner) external onlyOwner {
        _setOwner(newOwner);
    }

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

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

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

    modifier onlyOwner() {
        require(msg.sender == _owner(), "NOT_AUTHORIZED");
        _;
    }

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

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

    function _setOwner(address newOwner) internal {
        address previousOwner = _owner();
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            sstore(0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103, newOwner)
        }
        emit OwnershipTransferred(previousOwner, newOwner);
    }
}

File 2 of 2 : Proxy.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

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

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

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

    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
{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"implementationAddress","type":"address"},{"internalType":"address","name":"ownerAddress","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","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":"owner","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":"newOwner","type":"address"}],"name":"transferOwnership","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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