DepayPoc2.sol

import {Test, console} from 'forge-std/Test.sol';
import {DePayForwarderV2} from '../contracts/DePayForwarderV2.sol';
import {DePayRouterV2} from '../contracts/DePayRouterV2.sol';
import {TestReceiver} from '../contracts/TestReceiver.sol';

import {IDePayRouterV2} from '../contracts/interfaces/IDePayRouterV2.sol';

contract DePayRouterV2Test is Test {
  DePayForwarderV2 public forwarder;
  DePayRouterV2 public router;
  TestReceiver receiver;
  address USDC = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;

  function setUp() public {
    forwarder = new DePayForwarderV2();
    router = new DePayRouterV2(address(0), address(forwarder));
    receiver = new TestReceiver();
  }



  function testEthertoAddressZero() public {
    address NATIVE = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
    uint paymentAmount = 5 ether;
    uint feeAmount = 0;
    uint amountIn = paymentAmount + feeAmount;
    address feeReceiver = address(0);
    //setting up a payment struct for user who want to use native to pay native while passing an exchange address
    IDePayRouterV2.Payment memory payment = IDePayRouterV2.Payment(
      amountIn,
      false,
      paymentAmount,
      feeAmount,
      NATIVE,
      address(0),
      NATIVE,
      address(0),
      feeReceiver,
      0,
      0,
      '',
      '',
      block.timestamp + 7 days
    );
    // checking the value of  address zero before making transaction
    uint paymentReceiverb4Call = address(0).balance;

    //pranking a user with eth on mainnet
    vm.startPrank(0x267be1C1D684F78cb4F6a176C4911b741E4Ffdc0);
    // ether sent along with the transaction is 5 ether
    router.pay{value: 5 ether}(payment);
    vm.stopPrank();
    uint paymentReceiveraftercall = address(0).balance;
    console.log('address zero Diff after call', paymentReceiveraftercall - paymentReceiverb4Call);
  }