contract ERC20 {
	address public banker = 0x5B38Da6a701c568545dCfcB03FcB875f56beddC4;

	mapping(address => uint256) public balances;

	function setSomeonesBalance(address owner, uint256 amount) public {
		if (msg.sender == banker) {
			balances[owner] = amount;
		}
		// do nothing
	}

	function transfer(address receiver, uint256 amount) public {
		balances[msg.sender] -= amount;
		balances[receiver] += amount;
	}
}