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Get Reward | 17183250 | 581 days ago | IN | 0 ETH | 0.04663561 |
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16372868 | 695 days ago | Contract Creation | 0 ETH |
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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.
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
Contract Source Code (Solidity Standard Json-Input format)
// 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(); } }
// 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); }
// 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(); } }
{ "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "bytecodeHash": "none" }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
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[{"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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