msgvalueissue.sol

	uint private accept_payment;
	function accept(string buyer_email) external payable {
		accept_payment = msg.value;
		buyer = msg.sender;
		buyer_contact_information = buyer_email;
		_setConversionRate();
		_changeState(ContractStates.Accepting);
	}

	function cancelAccept() external onlyBuyer {
		_cancelAccept();
	}

	function _cancelAccept() private {
		asyncSend(buyer, accept_payment);
		accept_payment = 0;
		buyer = address(0);
		buyer_contact_information = '';
		_changeState(ContractStates.Offered);
	}