static void Main()
{
int y;
foo(out y);
Contract.Assert(y != 10);
int witness;
CaaS paypal = GlobalState.paypal;
PayPalStandardPaymentProcessor1 merchant_sender = new PayPalStandardPaymentProcessor1();
PayPalStandardReturn1 merchant_receiver = new PayPalStandardReturn1();
Order init_order = p.NondetOrder();
canonicalRequestResponse res_placeorder = p.NodetReqres();
canonicalRequestResponse req_pay = p.NodetReqres();
canonicalRequestResponse res_pay = p.NodetReqres();
canonicalRequestResponse req_finish = p.NodetReqres();
// Computation on merchant - place order
res_placeorder = merchant_sender.PostProcessPayment(init_order);
// Message: merchant -> client -> CaaS
// is the msg encrypted? if so, then:
req_pay = res_placeorder;
GlobalState.MerchantPaymentEmail = req_pay.payee;
GlobalState.order.gross = req_pay.gross;
GlobalState.order.id = req_pay.orderID;
GlobalState.paypal.pay(req_pay); //Rui: there is no return for this call, because anything returned through the client should be havoced
req_finish.orderID = p.NondetInt();
witness = merchant_receiver.Page_Load(null, null, req_finish.orderID);
Contract.Assert(GlobalState.paypal.caas.payments[witness].orderID == req_finish.orderID);
Contract.Assert(
paypal.caas.payments[witness].orderID == req_finish.orderID &&
paypal.caas.payments[witness].gross == GlobalState.tstore.orders[req_finish.orderID].gross &&
paypal.caas.payments[witness].payee == GlobalState.tstore.myAccount &&
paypal.caas.payments[witness].status == CaasReturnStatus.Sucess
);
Contract.Assert(0 <= witness && witness < paypal.caas.payments.Length);
Contract.Assert(Contract.Exists(0, paypal.caas.payments.Length, i =>
paypal.caas.payments[i].orderID == req_finish.orderID &&
paypal.caas.payments[i].payee == GlobalState.tstore.myAccount &&
paypal.caas.payments[i].status == CaasReturnStatus.Sucess &&
paypal.caas.payments[i].gross == GlobalState.tstore.orders[req_finish.orderID].gross
));
}
static void Main()
{
PayPalStandardPaymentProcessor1 merchant_sender = new PayPalStandardPaymentProcessor1();
PayPalStandardReturn1 merchant_receiver = new PayPalStandardReturn1();
Order init_order = p.NondetOrder();
GlobalState.order = new orderRecord();
GlobalState.payment = new orderRecord();
canonicalRequestResponse res_placeorder = p.NodetReqres();
canonicalRequestResponse req_pay = p.NodetReqres();
canonicalRequestResponse res_pay = p.NodetReqres();
canonicalRequestResponse req_finish = p.NodetReqres();
// Message: CaaS -> client -> merchant
// Computation on merchant - finish order
merchant_receiver.Page_Load(null, null);
Contract.Assert(GlobalState.order.id == GlobalState.payment.id);
Contract.Assert(GlobalState.MerchantPaymentEmail == GlobalState.payment.payee);
Contract.Assert(GlobalState.order.gross == GlobalState.payment.gross);
Contract.Assert(GlobalState.order.status == Global.OrderStatusEnum.Paid);
}