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Contract Name:
Timelock
Compiler Version
v0.8.4+commit.c7e474f2
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.4; contract Timelock { event NewAdmin(address indexed newAdmin); event NewPendingAdmin(address indexed newPendingAdmin); event NewDelay(uint256 indexed newDelay); event CancelTransaction( bytes32 indexed txHash, address indexed target, uint256 value, string signature, bytes data, uint256 eta ); event ExecuteTransaction( bytes32 indexed txHash, address indexed target, uint256 value, string signature, bytes data, uint256 eta ); event QueueTransaction( bytes32 indexed txHash, address indexed target, uint256 value, string signature, bytes data, uint256 eta ); uint256 public constant GRACE_PERIOD = 14 days; uint256 public constant MINIMUM_DELAY = 12 hours; uint256 public constant MAXIMUM_DELAY = 30 days; address public admin; address public pendingAdmin; uint256 public delay; mapping(bytes32 => bool) public queuedTransactions; constructor(address admin_, uint256 delay_) { require(delay_ >= MINIMUM_DELAY, "Timelock::constructor: Delay must exceed minimum delay."); require(delay_ <= MAXIMUM_DELAY, "Timelock::setDelay: Delay must not exceed maximum delay."); admin = admin_; delay = delay_; } function setDelay(uint256 delay_) public { require(msg.sender == address(this), "Timelock::setDelay: Call must come from Timelock."); require(delay_ >= MINIMUM_DELAY, "Timelock::setDelay: Delay must exceed minimum delay."); require(delay_ <= MAXIMUM_DELAY, "Timelock::setDelay: Delay must not exceed maximum delay."); delay = delay_; emit NewDelay(delay); } function acceptAdmin() public { require(msg.sender == pendingAdmin, "Timelock::acceptAdmin: Call must come from pendingAdmin."); admin = msg.sender; pendingAdmin = address(0); emit NewAdmin(admin); } function setPendingAdmin(address pendingAdmin_) public { require(msg.sender == address(this), "Timelock::setPendingAdmin: Call must come from Timelock."); pendingAdmin = pendingAdmin_; emit NewPendingAdmin(pendingAdmin); } function queueTransaction( address target, uint256 value, string memory signature, bytes memory data, uint256 eta ) public returns (bytes32) { require(msg.sender == admin, "Timelock::queueTransaction: Call must come from admin."); require(eta >= getBlockTimestamp() + delay, "Timelock::queueTransaction: Estimated execution block must satisfy delay."); bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta)); queuedTransactions[txHash] = true; emit QueueTransaction(txHash, target, value, signature, data, eta); return txHash; } function cancelTransaction( address target, uint256 value, string memory signature, bytes memory data, uint256 eta ) public { require(msg.sender == admin, "Timelock::cancelTransaction: Call must come from admin."); bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta)); queuedTransactions[txHash] = false; emit CancelTransaction(txHash, target, value, signature, data, eta); } function executeTransaction( address target, uint256 value, string memory signature, bytes memory data, uint256 eta ) public payable returns (bytes memory) { require(msg.sender == admin, "Timelock::executeTransaction: Call must come from admin."); bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta)); require(queuedTransactions[txHash], "Timelock::executeTransaction: Transaction hasn't been queued."); require(getBlockTimestamp() >= eta, "Timelock::executeTransaction: Transaction hasn't surpassed time lock."); require(getBlockTimestamp() <= eta + GRACE_PERIOD, "Timelock::executeTransaction: Transaction is stale."); queuedTransactions[txHash] = false; bytes memory callData; if (bytes(signature).length == 0) { callData = data; } else { callData = abi.encodePacked( bytes4( keccak256( bytes( signature ))), data ); } // Execute the call (bool success, bytes memory returnData) = target.call{value: value}(callData); require(success, "Timelock::executeTransaction: Transaction execution reverted."); emit ExecuteTransaction(txHash, target, value, signature, data, eta); return returnData; } function getBlockTimestamp() internal view returns (uint256) { return block.timestamp; } receive() external payable {} }
{ "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":[{"internalType":"address","name":"admin_","type":"address"},{"internalType":"uint256","name":"delay_","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"txHash","type":"bytes32"},{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":false,"internalType":"string","name":"signature","type":"string"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"},{"indexed":false,"internalType":"uint256","name":"eta","type":"uint256"}],"name":"CancelTransaction","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"txHash","type":"bytes32"},{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":false,"internalType":"string","name":"signature","type":"string"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"},{"indexed":false,"internalType":"uint256","name":"eta","type":"uint256"}],"name":"ExecuteTransaction","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newAdmin","type":"address"}],"name":"NewAdmin","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"newDelay","type":"uint256"}],"name":"NewDelay","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newPendingAdmin","type":"address"}],"name":"NewPendingAdmin","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"txHash","type":"bytes32"},{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":false,"internalType":"string","name":"signature","type":"string"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"},{"indexed":false,"internalType":"uint256","name":"eta","type":"uint256"}],"name":"QueueTransaction","type":"event"},{"inputs":[],"name":"GRACE_PERIOD","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAXIMUM_DELAY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINIMUM_DELAY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"string","name":"signature","type":"string"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"uint256","name":"eta","type":"uint256"}],"name":"cancelTransaction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"delay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"string","name":"signature","type":"string"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"uint256","name":"eta","type":"uint256"}],"name":"executeTransaction","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"pendingAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"string","name":"signature","type":"string"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"uint256","name":"eta","type":"uint256"}],"name":"queueTransaction","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"queuedTransactions","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"delay_","type":"uint256"}],"name":"setDelay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"pendingAdmin_","type":"address"}],"name":"setPendingAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000009c64a83c15e074822c64f90edcb68cfbd9affa070000000000000000000000000000000000000000000000000000000000015180
-----Decoded View---------------
Arg [0] : admin_ (address): 0x9c64a83c15e074822c64f90edcb68cfbd9affa07
Arg [1] : delay_ (uint256): 86400
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000009c64a83c15e074822c64f90edcb68cfbd9affa07
Arg [1] : 0000000000000000000000000000000000000000000000000000000000015180
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