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Contract

0x7F3dcBC0A163355Ec9eDE7545ea8030e92735BDf
 

Overview

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0 ETH

ETH Value

$0.00

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Latest 1 internal transaction

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Parent Transaction Hash Block From To Value
93172282022-05-30 13:38:31720 days ago1653917911  Contract Creation0 ETH

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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xbD21e058...231E6ea3C
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
UUPSProxy

Compiler Version
v0.8.11+commit.d7f03943

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 5 : UUPSProxy.sol
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./AbstractProxy.sol";
import "./ProxyStorage.sol";
import "../errors/AddressError.sol";
import "../utils/AddressUtil.sol";

contract UUPSProxy is AbstractProxy, ProxyStorage {
    constructor(address firstImplementation) {
        if (firstImplementation == address(0)) {
            revert AddressError.ZeroAddress();
        }

        if (!AddressUtil.isContract(firstImplementation)) {
            revert AddressError.NotAContract(firstImplementation);
        }

        _proxyStore().implementation = firstImplementation;
    }

    function _getImplementation() internal view virtual override returns (address) {
        return _proxyStore().implementation;
    }
}

File 2 of 5 : AbstractProxy.sol
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

abstract contract AbstractProxy {
    fallback() external payable {
        _forward();
    }

    receive() external payable {
        _forward();
    }

    function _forward() internal {
        address implementation = _getImplementation();

        // solhint-disable-next-line no-inline-assembly
        assembly {
            calldatacopy(0, 0, calldatasize())

            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            returndatacopy(0, 0, returndatasize())

            switch result
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    function _getImplementation() internal view virtual returns (address);
}

File 3 of 5 : ProxyStorage.sol
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract ProxyStorage {
    struct ProxyStore {
        address implementation;
        bool simulatingUpgrade;
    }

    function _proxyStore() internal pure returns (ProxyStore storage store) {
        assembly {
            // bytes32(uint(keccak256("io.synthetix.v3.proxy")) - 1)
            store.slot := 0x32402780481dd8149e50baad867f01da72e2f7d02639a6fe378dbd80b6bb446e
        }
    }
}

File 4 of 5 : AddressError.sol
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

library AddressError {
    error ZeroAddress();
    error NotAContract(address contr);
}

File 5 of 5 : AddressUtil.sol
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

library AddressUtil {
    function isContract(address account) internal view returns (bool) {
        uint256 size;

        assembly {
            size := extcodesize(account)
        }

        return size > 0;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"firstImplementation","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"contr","type":"address"}],"name":"NotAContract","type":"error"},{"inputs":[],"name":"ZeroAddress","type":"error"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

0x608060405236601057600e6013565b005b600e5b600060457f32402780481dd8149e50baad867f01da72e2f7d02639a6fe378dbd80b6bb446e546001600160a01b031690565b90503660008037600080366000845af43d6000803e8080156065573d6000f35b3d6000fd5b3b15159056fea2646970667358221220885ba3346b63d4c775141a952a4858cd465956d6f05013d88f7ffdfeb68bb4c564736f6c634300080b0033

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