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ContractCreator
Latest 25 from a total of 115 transactions
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Latest 1 internal transaction
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11477073 | 1300 days ago | Contract Creation | 0 ETH |
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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
- No Contract Security Audit Submitted- Submit Audit Here
[{"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"}]
Contract Creation Code
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Deployed Bytecode
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