15:53
Tommy Shih｜失業中
function stake(uint256 amount) public {
address sender = msg.sender;
require(!address(sender).isContract(), "Andre, we are farming in peace, go harvest somewhere else sir.");
require(tx.origin == msg.sender, "Andre, stahp.");
_totalSupply = _totalSupply.add(amount);
_balances[msg.sender] = _balances[msg.sender].add(amount);
y.safeTransferFrom(msg.sender, address(this), amount);
}