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: LGPL-3.0-only
pragma solidity >=0.7.0 <0.9.0;

/**
 * @title IProxy - Helper interface to access the singleton address of the Proxy on-chain.
 * @author Richard Meissner - @rmeissner
 */
interface IProxy {
    function masterCopy() external view returns (address);
}

/**
 * @title SafeProxy - Generic proxy contract allows to execute all transactions applying the code of a master contract.
 * @author Stefan George - <[email protected]>
 * @author Richard Meissner - <[email protected]>
 */
contract SafeProxy {
    // Singleton always needs to be first declared variable, to ensure that it is at the same location in the contracts to which calls are delegated.
    // To reduce deployment costs this variable is internal and needs to be retrieved via `getStorageAt`
    address internal singleton;

    /**
     * @notice Constructor function sets address of singleton contract.
     * @param _singleton Singleton address.
     */
    constructor(address _singleton) {
        require(_singleton != address(0), "Invalid singleton address provided");
        singleton = _singleton;
    }

    /// @dev Fallback function forwards all transactions and returns all received return data.
    fallback() external payable {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            let _singleton := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff)
            // 0xa619486e == keccak("masterCopy()"). The value is right padded to 32-bytes with 0s
            if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) {
                mstore(0, _singleton)
                return(0, 0x20)
            }
            calldatacopy(0, 0, calldatasize())
            let success := delegatecall(gas(), _singleton, 0, calldatasize(), 0, 0)
            returndatacopy(0, 0, returndatasize())
            if eq(success, 0) {
                revert(0, returndatasize())
            }
            return(0, returndatasize())
        }
    }
}

{
  "optimizer": {
    "enabled": true,
    "mode": "3"
  },
  "outputSelection": {
    "*": {
      "*": [
        "abi"
      ]
    }
  },
  "forceEVMLA": false,
  "detectMissingLibraries": false,
  "enableEraVMExtensions": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_singleton","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"}]

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

000000000000000000000000610fca2e0279fa1f8c00c8c2f71df522ad469380

-----Decoded View---------------
Arg [0] : _singleton (address): 0x610fcA2e0279Fa1F8C00c8c2F71dF522AD469380

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000610fca2e0279fa1f8c00c8c2f71df522ad469380