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// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

import {ITimestampAsserter} from "./ITimestampAsserter.sol";

error TimestampOutOfRange(uint256 currentTimestamp, uint256 start, uint256 end);

/// @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) external view {
        if (block.timestamp < _start || block.timestamp > _end) {
            revert TimestampOutOfRange(block.timestamp, _start, _end);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

interface ITimestampAsserter {
    function assertTimestampInRange(uint256 start, uint256 end) external view;
}

{
  "viaIR": false,
  "codegen": "yul",
  "remappings": [
    "forge-std/=lib/forge-std/src/"
  ],
  "evmVersion": "cancun",
  "outputSelection": {
    "*": {
      "*": [
        "abi",
        "metadata"
      ],
      "": [
        "ast"
      ]
    }
  },
  "optimizer": {
    "enabled": true,
    "mode": "3",
    "fallback_to_optimizing_for_size": false,
    "disable_system_request_memoization": true
  },
  "metadata": {},
  "libraries": {},
  "enableEraVMExtensions": false,
  "forceEVMLA": false
}

[{"inputs":[{"internalType":"uint256","name":"currentTimestamp","type":"uint256"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"end","type":"uint256"}],"name":"TimestampOutOfRange","type":"error"},{"inputs":[{"internalType":"uint256","name":"_start","type":"uint256"},{"internalType":"uint256","name":"_end","type":"uint256"}],"name":"assertTimestampInRange","outputs":[],"stateMutability":"view","type":"function"}]

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