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11544482 | 1285 days ago | Contract Creation | 0 ETH |
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Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0xde158Fa7...B35d83829 The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
OwnedUpgradeabilityProxy
Compiler Version
v0.6.10+commit.00c0fcaf
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.6.10; import "./UpgradeabilityProxy.sol"; /** * @title OwnedUpgradeabilityProxy * @dev This contract combines an upgradeability proxy with basic authorization control functionalities */ contract OwnedUpgradeabilityProxy is UpgradeabilityProxy { /** * @dev Event to show ownership has been transferred * @param previousOwner representing the address of the previous owner * @param newOwner representing the address of the new owner */ event ProxyOwnershipTransferred(address previousOwner, address newOwner); /// @dev Storage position of the owner of the contract bytes32 private constant proxyOwnerPosition = keccak256("org.zeppelinos.proxy.owner"); /** * @dev the constructor sets the original owner of the contract to the sender account. */ constructor() public { setUpgradeabilityOwner(msg.sender); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyProxyOwner() { require(msg.sender == proxyOwner()); _; } /** * @dev Tells the address of the owner * @return owner the address of the owner */ function proxyOwner() public view returns (address owner) { bytes32 position = proxyOwnerPosition; assembly { owner := sload(position) } } /** * @dev Sets the address of the owner * @param _newProxyOwner address of new proxy owner */ function setUpgradeabilityOwner(address _newProxyOwner) internal { bytes32 position = proxyOwnerPosition; assembly { sstore(position, _newProxyOwner) } } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */ function transferProxyOwnership(address _newOwner) public onlyProxyOwner { require(_newOwner != address(0)); emit ProxyOwnershipTransferred(proxyOwner(), _newOwner); setUpgradeabilityOwner(_newOwner); } /** * @dev Allows the proxy owner to upgrade the current version of the proxy. * @param _implementation representing the address of the new implementation to be set. */ function upgradeTo(address _implementation) public onlyProxyOwner { _upgradeTo(_implementation); } /** * @dev Allows the proxy owner to upgrade the current version of the proxy and call the new implementation * to initialize whatever is needed through a low level call. * @param _implementation representing the address of the new implementation to be set. * @param _data represents the msg.data to bet sent in the low level call. This parameter may include the function * signature of the implementation to be called with the needed payload */ function upgradeToAndCall(address _implementation, bytes calldata _data) public payable onlyProxyOwner { upgradeTo(_implementation); (bool success, ) = address(this).call{value: msg.value}(_data); require(success); } }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.6.10; /** * @title Proxy * @dev Gives the possibility to delegate any call to a foreign implementation. */ abstract contract Proxy { /** * @dev Tells the address of the implementation where every call will be delegated. * @return address of the implementation to which it will be delegated */ function implementation() public virtual view returns (address); /** * @dev Fallback function allowing to perform a delegatecall to the given implementation. * This function will return whatever the implementation call returns */ fallback() external payable { address _impl = implementation(); require(_impl != address(0)); assembly { let ptr := mload(0x40) calldatacopy(ptr, 0, calldatasize()) let result := delegatecall(gas(), _impl, ptr, calldatasize(), 0, 0) let size := returndatasize() returndatacopy(ptr, 0, size) switch result case 0 { revert(ptr, size) } default { return(ptr, size) } } } }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.6.10; import "./Proxy.sol"; /** * @title UpgradeabilityProxy * @dev This contract represents a proxy where the implementation address to which it will delegate can be upgraded */ contract UpgradeabilityProxy is Proxy { /** * @dev This event will be emitted every time the implementation gets upgraded * @param implementation representing the address of the upgraded implementation */ event Upgraded(address indexed implementation); /// @dev Storage position of the address of the current implementation bytes32 private constant implementationPosition = keccak256("org.zeppelinos.proxy.implementation"); /** * @dev Tells the address of the current implementation * @return impl address of the current implementation */ function implementation() public override view returns (address impl) { bytes32 position = implementationPosition; assembly { impl := sload(position) } } /** * @dev Sets the address of the current implementation * @param _newImplementation address representing the new implementation to be set */ function setImplementation(address _newImplementation) internal { bytes32 position = implementationPosition; assembly { sstore(position, _newImplementation) } } /** * @dev Upgrades the implementation address * @param _newImplementation representing the address of the new implementation to be set */ function _upgradeTo(address _newImplementation) internal { address currentImplementation = implementation(); require(currentImplementation != _newImplementation); setImplementation(_newImplementation); emit Upgraded(_newImplementation); } }
{ "remappings": [], "optimizer": { "enabled": true, "runs": 200 }, "evmVersion": "istanbul", "libraries": { "": {} }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } } }
Contract Security Audit
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[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"ProxyOwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"impl","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxyOwner","outputs":[{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferProxyOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_implementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_implementation","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"}]
Deployed Bytecode
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