Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Is this a proxy?
• Similar
• Submit Audit
• Compare

//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;
    }
}

//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);
}

//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
        }
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

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

//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;
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"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"}]

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

0x608060405236601057600e6013565b005b600e5b600060457f32402780481dd8149e50baad867f01da72e2f7d02639a6fe378dbd80b6bb446e546001600160a01b031690565b90503660008037600080366000845af43d6000803e8080156065573d6000f35b3d6000fd5b3b15159056fea2646970667358221220885ba3346b63d4c775141a952a4858cd465956d6f05013d88f7ffdfeb68bb4c564736f6c634300080b0033

0000000000000000000000007aca85d7092dd028b8d52144f07d2d0ed9a62538

-----Decoded View---------------
Arg [0] : firstImplementation (address): 0x7aca85D7092Dd028b8d52144F07D2D0eD9a62538

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000007aca85d7092dd028b8d52144f07d2d0ed9a62538