하나금융-Hardhat실습

MyTest.sol

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.28;

// Import the hardhat console
import "hardhat/console.sol";
contract MyTest {
    uint256 public unlockTime;
    address payable public owner;

    event Widthrawal(uint256 amount, uint256 when);

    constructor(uint256 _unlockTime) payable {
      require(
        block.timestamp < _unlockTime,
        "Unlock time should be in the future"
      );
      unlockTime = _unlockTime;
      owner = payable(msg.sender);
    }

    function withdraw() public {
        require(block.timestamp >= unlockTime, "You can't withdraw yet");
        require(msg.sender == owner, "You aren't the owner");

        emit Widthrawal(address(this).balance, block.timestamp);

        owner.transfer(address(this).balance);
    }
}