SimpleFaucet.sol

// SPDX-License-Identifier: MIT
// Author: Janusz Chudzynski
pragma solidity >=0.4.22 <0.9.0;

contract Faucet {
 
  mapping(address=>uint) lastTransfers;
  uint amountToWithdraw = 10 ** 18 * 0.01;

  function requestTokens(address payable requestor) external {
    uint lastTransfer = lastTransfers[requestor];
 
    require(lastTransfer  + 1 hours <= block.timestamp, "Patience is a virtue. You already requested funds hour ago");
    require(address(this).balance >= amountToWithdraw, "Not enough funds in the faucet. Please donate");

    requestor.transfer(amountToWithdraw);
    lastTransfers[requestor] = block.timestamp;
  }

  function getBalance() public view returns (uint) {
      return address(this).balance;
  }

    receive() external payable {}

    fallback() external payable {}

}