/** * Can receive money. * Can be stolen. * Non payable at address. */

nonPayable.sol

pragma solidity 0.5.3;

/**
 * Can receive money.
 * Can be stolen.
 * Non payable at address.
 */
contract Alfa {
    
    function stealMyEth() public {
        address myAddress = address(this);
        msg.sender.transfer(myAddress.balance);
    }
    
    event Received(uint amount, address benefactor);
    
    function receive() payable public {
        emit Received(msg.value, msg.sender);
    }
}