DO NOT USE THIS CODE. THIS CODE IS USED TO DEMONSTRATE A VULNERABILITY IN A SOLIDITY CODE.

OwnerWallet.sol

contract OwnerWallet {
    address public owner;
    //constructor
    function ownerWallet(address _owner) public {
        owner = _owner;
    }
    
    // fallback. Collect ether.
    function () payable {} 
    
    function withdraw() public {
        require(msg.sender == owner); 
        msg.sender.transfer(this.balance);
    }
}