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Contract

0x23D9dF499f274b8A307488a25cB53c7b38F3C099
 

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163728682023-01-10 0:38:11695 days ago1673311091  Contract Creation0 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x505F1c20...5DA84cf03
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
SolidlyChildProxy

Compiler Version
v0.8.11+commit.d7f03943

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 3 : SolidlyChildProxy.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.11;
import "./SolidlyProxy.sol";
import "./interfaces/IFactory.sol";

/**
 * @notice Child Proxy deployed by factories for pairs, fees, gauges, and bribes. Calls back to the factory to fetch proxy implementation.
 */
contract SolidlyChildProxy is SolidlyProxy {
    bytes32 constant FACTORY_SLOT =
        0x547b500e425d72fd0723933cceefc203cef652b4736fd04250c3369b3e1a0a72; // keccak256('FACTORY') - 1

    modifier onlyFactory() {
        require(msg.sender == factoryAddress(), "only Factory");
        _;
    }

    /**
     * @notice Records factory address and current interface implementation
     */
    constructor() {
        address _factory = msg.sender;
        address _interface = IFactory(msg.sender).childInterfaceAddress();
        assembly {
            sstore(FACTORY_SLOT, _factory)
            sstore(IMPLEMENTATION_SLOT, _interface) // Storing the interface into EIP-1967's implementation slot so Etherscan picks up the interface
        }
    }

    /****************************************
                    SETTINGS
     ****************************************/

    /**
     * @notice Governance callable method to update the Factory address
     */
    function updateFactoryAddress(address _factory) external onlyGovernance {
        assembly {
            sstore(FACTORY_SLOT, _factory)
        }
    }

    /**
     * @notice Publically callable function to sync proxy interface with the one recorded in the factory
     */
    function updateInterfaceAddress() external {
        address _newInterfaceAddress = IFactory(factoryAddress())
            .childInterfaceAddress();
        require(
            implementationAddress() != _newInterfaceAddress,
            "Nothing to update"
        );
        assembly {
            sstore(IMPLEMENTATION_SLOT, _newInterfaceAddress)
        }
    }

    /****************************************
                  VIEW METHODS 
     ****************************************/

    /**
     * @notice Fetch current governance address from factory
     * @return _governanceAddress Returns current governance address
     */
    function governanceAddress()
        public
        view
        override
        returns (address _governanceAddress)
    {
        return IFactory(factoryAddress()).governanceAddress();
    }

    function factoryAddress() public view returns (address _factory) {
        assembly {
            _factory := sload(FACTORY_SLOT)
        }
    }

    /**
     *@notice Fetch address where actual contract logic is at
     */
    function subImplementationAddress()
        public
        view
        returns (address _subimplementation)
    {
        return IFactory(factoryAddress()).childSubImplementationAddress();
    }

    /**
     * @notice Fetch address where the interface for the contract is
     */
    function interfaceAddress()
        public
        view
        override
        returns (address _interface)
    {
        assembly {
            _interface := sload(IMPLEMENTATION_SLOT)
        }
    }

    /****************************************
                  FALLBACK METHODS 
     ****************************************/

    /**
     * @notice Fallback function that delegatecalls the subimplementation instead of what's in the IMPLEMENTATION_SLOT
     */
    function _delegateCallSubimplmentation() internal override {
        address contractLogic = IFactory(factoryAddress())
            .childSubImplementationAddress();
        assembly {
            calldatacopy(0x0, 0x0, calldatasize())
            let success := delegatecall(
                gas(),
                contractLogic,
                0x0,
                calldatasize(),
                0,
                0
            )
            let returnDataSize := returndatasize()
            returndatacopy(0, 0, returnDataSize)
            switch success
            case 0 {
                revert(0, returnDataSize)
            }
            default {
                return(0, returnDataSize)
            }
        }
    }

    fallback() external payable override {
        _delegateCallSubimplmentation();
    }
}

File 2 of 3 : IFactory.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

interface IFactory {
    function governanceAddress() external view returns (address);

    function childSubImplementationAddress() external view returns (address);

    function childInterfaceAddress() external view returns (address);
}

File 3 of 3 : SolidlyProxy.sol
// SPDX-License-Identifier: BUSL
pragma solidity 0.8.11;

/**
 * @title Solidly+ governance killable proxy
 * @author Solidly+
 * @notice EIP-1967 upgradeable proxy with the ability to kill governance and render the contract immutable
 */
contract SolidlyProxy {
    bytes32 constant IMPLEMENTATION_SLOT =
        0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; // keccak256('eip1967.proxy.implementation'), actually used for interface so etherscan picks up the interface
    bytes32 constant LOGIC_SLOT =
        0x5942be825425c77e56e4bce97986794ab0f100954e40fc1390ae0e003710a3ab; // keccak256('LOGIC') - 1, actual logic implementation
    bytes32 constant GOVERNANCE_SLOT =
        0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; // keccak256('eip1967.proxy.admin')
    bytes32 constant INITIALIZED_SLOT =
        0x834ce84547018237034401a09067277cdcbe7bbf7d7d30f6b382b0a102b7b4a3; // keccak256('eip1967.proxy.initialized')

    /**
     * @notice Reverts if msg.sender is not governance
     */
    modifier onlyGovernance() {
        require(msg.sender == governanceAddress(), "Only governance");
        _;
    }

    /**
     * @notice Reverts if contract is already initialized
     * @dev Used by implementations to ensure initialize() is only called once
     */
    modifier notInitialized() {
        bool initialized;
        assembly {
            initialized := sload(INITIALIZED_SLOT)
            if eq(initialized, 1) {
                revert(0, 0)
            }
            sstore(INITIALIZED_SLOT, 1)
        }
        _;
    }

    /**
     * @notice Sets up deployer as a proxy governance
     */
    constructor() {
        address _governanceAddress = msg.sender;
        assembly {
            sstore(GOVERNANCE_SLOT, _governanceAddress)
        }
    }

    /**
     * @notice Detect whether or not governance is killed
     * @return Return true if governance is killed, false if not
     * @dev If governance is killed this contract becomes immutable
     */
    function governanceIsKilled() public view returns (bool) {
        return governanceAddress() == address(0);
    }

    /**
     * @notice Kill governance, making this contract immutable
     * @dev Only governance can kil governance
     */
    function killGovernance() external onlyGovernance {
        updateGovernanceAddress(address(0));
    }

    /**
     * @notice Update implementation address
     * @param _interfaceAddress Address of the new interface
     * @dev Only governance can update implementation
     */
    function updateInterfaceAddress(address _interfaceAddress)
        external
        onlyGovernance
    {
        assembly {
            sstore(IMPLEMENTATION_SLOT, _interfaceAddress)
        }
    }

    /**
     * @notice Actually updates interface, kept for etherscan pattern recognition
     * @param _implementationAddress Address of the new implementation
     * @dev Only governance can update implementation
     */
    function updateImplementationAddress(address _implementationAddress)
        external
        onlyGovernance
    {
        assembly {
            sstore(IMPLEMENTATION_SLOT, _implementationAddress)
        }
    }

    /**
     * @notice Update implementation address
     * @param _logicAddress Address of the new implementation
     * @dev Only governance can update implementation
     */
    function updateLogicAddress(address _logicAddress) external onlyGovernance {
        assembly {
            sstore(LOGIC_SLOT, _logicAddress)
        }
    }

    /**
     * @notice Update governance address
     * @param _governanceAddress New governance address
     * @dev Only governance can update governance
     */
    function updateGovernanceAddress(address _governanceAddress)
        public
        onlyGovernance
    {
        assembly {
            sstore(GOVERNANCE_SLOT, _governanceAddress)
        }
    }

    /**
     * @notice Fetch the current implementation address
     * @return _implementationAddress Returns the current implementation address
     */
    function implementationAddress()
        public
        view
        returns (address _implementationAddress)
    {
        assembly {
            _implementationAddress := sload(IMPLEMENTATION_SLOT)
        }
    }

    /**
     * @notice Fetch the current implementation address
     * @return _interfaceAddress Returns the current implementation address
     */
    function interfaceAddress()
        public
        view
        virtual
        returns (address _interfaceAddress)
    {
        assembly {
            _interfaceAddress := sload(IMPLEMENTATION_SLOT)
        }
    }

    /**
     * @notice Fetch the current implementation address
     * @return _logicAddress Returns the current implementation address
     */
    function logicAddress()
        public
        view
        virtual
        returns (address _logicAddress)
    {
        assembly {
            _logicAddress := sload(LOGIC_SLOT)
        }
    }

    /**
     * @notice Fetch current governance address
     * @return _governanceAddress Returns current governance address
     */
    function governanceAddress()
        public
        view
        virtual
        returns (address _governanceAddress)
    {
        assembly {
            _governanceAddress := sload(GOVERNANCE_SLOT)
        }
    }

    /**
     * @notice Fallback function that delegatecalls the subimplementation instead of what's in the IMPLEMENTATION_SLOT
     */
    function _delegateCallSubimplmentation() internal virtual {
        assembly {
            let contractLogic := sload(LOGIC_SLOT)
            calldatacopy(0x0, 0x0, calldatasize())
            let success := delegatecall(
                gas(),
                contractLogic,
                0x0,
                calldatasize(),
                0,
                0
            )
            let returnDataSize := returndatasize()
            returndatacopy(0, 0, returnDataSize)
            switch success
            case 0 {
                revert(0, returnDataSize)
            }
            default {
                return(0, returnDataSize)
            }
        }
    }

    /**
     * @notice Delegatecall fallback proxy
     */
    fallback() external payable virtual {
        _delegateCallSubimplmentation();
    }

    receive() external payable virtual {
        _delegateCallSubimplmentation();
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "none"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"factoryAddress","outputs":[{"internalType":"address","name":"_factory","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"governanceAddress","outputs":[{"internalType":"address","name":"_governanceAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"governanceIsKilled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"implementationAddress","outputs":[{"internalType":"address","name":"_implementationAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"interfaceAddress","outputs":[{"internalType":"address","name":"_interface","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"killGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"logicAddress","outputs":[{"internalType":"address","name":"_logicAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"subImplementationAddress","outputs":[{"internalType":"address","name":"_subimplementation","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_factory","type":"address"}],"name":"updateFactoryAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_governanceAddress","type":"address"}],"name":"updateGovernanceAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_implementationAddress","type":"address"}],"name":"updateImplementationAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"updateInterfaceAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_interfaceAddress","type":"address"}],"name":"updateInterfaceAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_logicAddress","type":"address"}],"name":"updateLogicAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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