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// SPDX-License-Identifier: MIT | ||
pragma solidity 0.8.24; | ||
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interface ITimestampAsserter { | ||
function assertTimestampInRange(uint256 start, uint256 end) external view; | ||
} |
20 changes: 14 additions & 6 deletions
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l2-contracts/contracts/dev-contracts/TimestampAsserter.sol
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// SPDX-License-Identifier: MIT | ||
pragma solidity 0.8.24; | ||
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interface ITimestampAsserter { | ||
function assertTimestampInRange(uint256 start, uint256 end) external view; | ||
} | ||
import "./ITimestampAsserter.sol"; | ||
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error TimestampOutOfRange(uint256 currentTimestamp, uint256 start, uint256 end); | ||
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/// @title TimestampAsserter | ||
/// @author Matter Labs | ||
/// @custom:security-contact [email protected] | ||
/// @dev A contract that verifies if the current block timestamp falls within a specified range. | ||
/// This is useful for custom account abstraction where time-bound checks are needed but accessing block.timestamp | ||
/// directly is not possible. | ||
contract TimestampAsserter is ITimestampAsserter { | ||
function assertTimestampInRange(uint256 start, uint256 end) public view { | ||
require(start < block.timestamp && end > block.timestamp, "Block timestamp is out of range"); | ||
function assertTimestampInRange(uint256 _start, uint256 _end) public view { | ||
if (block.timestamp < _start || block.timestamp > _end) { | ||
revert TimestampOutOfRange(block.timestamp, _start, _end); | ||
} | ||
} | ||
} | ||
} |