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);
}
public int Page_Load(object sender, EventArgs e, int checkedOut_orderID)
{
int tx = Convert.ToInt32(CommonHelper.QueryStringInt("tx"));
int witness;
payment_record payment;
orderRecord order;
Dictionary <string, string> values = null;
if ((witness = PayPalStandardPaymentProcessor1.getPDTDetails(tx, out payment)) >= 0)
{
string orderNumber = string.Empty;
values.TryGetValue("custom", out orderNumber);
Guid orderNumberGuid = Guid.Empty;
try
{
orderNumberGuid = new Guid(orderNumber);
}
catch { }
//Order order = OrderManager.GetOrderByGuid(orderNumberGuid);
//payment.orderID is essentially the custom field in PDT
Contract.Assume(checkedOut_orderID == payment.orderID); //this should be an assignment "checkedOut_orderID = payment.orderID", but the support for "out parameter" is wierd
order = GlobalState.tstore.orders[checkedOut_orderID];
Contract.Assume(order.id == checkedOut_orderID);
if (order != null)
{
decimal total = decimal.Zero;
try
{
total = decimal.Parse(values["mc_gross"], new CultureInfo("en-US"));
}
catch (Exception exc)
{
}
if (order.gross != total)
{
Contract.Assume(false);
}
string payer_status = string.Empty;
values.TryGetValue("payer_status", out payer_status);
string payment_status = string.Empty;
values.TryGetValue("payment_status", out payment_status);
string pending_reason = string.Empty;
values.TryGetValue("pending_reason", out pending_reason);
string mc_currency = string.Empty;
values.TryGetValue("mc_currency", out mc_currency);
string txn_id = string.Empty;
values.TryGetValue("txn_id", out txn_id);
string payment_type = string.Empty;
values.TryGetValue("payment_type", out payment_type);
string payer_id = string.Empty;
values.TryGetValue("ayer_id", out payer_id);
string receiver_id = string.Empty;
values.TryGetValue("receiver_id", out receiver_id);
string invoice = string.Empty;
values.TryGetValue("invoice", out invoice);
string payment_fee = string.Empty;
values.TryGetValue("payment_fee", out payment_fee);
StringBuilder sb = new StringBuilder();
sb.AppendLine("Paypal PDT:");
sb.AppendLine("total: " + total);
sb.AppendLine("Payer status: " + payer_status);
sb.AppendLine("Payment status: " + payment_status);
sb.AppendLine("Pending reason: " + pending_reason);
sb.AppendLine("mc_currency: " + mc_currency);
sb.AppendLine("txn_id: " + txn_id);
sb.AppendLine("payment_type: " + payment_type);
sb.AppendLine("payer_id: " + payer_id);
sb.AppendLine("receiver_id: " + receiver_id);
sb.AppendLine("invoice: " + invoice);
sb.AppendLine("payment_fee: " + payment_fee);
OrderManager.InsertOrderNote(order.id, sb.ToString(), false, DateTime.UtcNow);
}
if (order.gross != payment.gross)
{
Contract.Assume(false);
}
if (payment.status != CaasReturnStatus.Sucess)
{
Contract.Assume(false);
}
order.status = Global.OrderStatusEnum.Paid;
}
else
{
Contract.Assume(false);
}
return(witness);
}
public void Page_Load(object sender, EventArgs e)
{
int tx = Convert.ToInt32(CommonHelper.QueryStringInt("tx"));
Dictionary <string, string> values = null;
string response;
string digest_paypal;
if (PayPalStandardPaymentProcessor1.getPDTDetails(tx, out GlobalState.payment))
{
string orderNumber = string.Empty;
values.TryGetValue("custom", out orderNumber);
Guid orderNumberGuid = Guid.Empty;
try
{
orderNumberGuid = new Guid(orderNumber);
}
catch { }
Order order = OrderManager.GetOrderByGuid(orderNumberGuid);
if (order != null)
{
decimal total = decimal.Zero;
try
{
total = decimal.Parse(values["mc_gross"], new CultureInfo("en-US"));
}
catch (Exception exc)
{
}
if (order.OrderTotal != total)
{
Contract.Assume(false);
}
string payer_status = string.Empty;
values.TryGetValue("payer_status", out payer_status);
string payment_status = string.Empty;
values.TryGetValue("payment_status", out payment_status);
string pending_reason = string.Empty;
values.TryGetValue("pending_reason", out pending_reason);
string mc_currency = string.Empty;
values.TryGetValue("mc_currency", out mc_currency);
string txn_id = string.Empty;
values.TryGetValue("txn_id", out txn_id);
string payment_type = string.Empty;
values.TryGetValue("payment_type", out payment_type);
string payer_id = string.Empty;
values.TryGetValue("payer_id", out payer_id);
string receiver_id = string.Empty;
values.TryGetValue("receiver_id", out receiver_id);
string invoice = string.Empty;
values.TryGetValue("invoice", out invoice);
string payment_fee = string.Empty;
values.TryGetValue("payment_fee", out payment_fee);
StringBuilder sb = new StringBuilder();
sb.AppendLine("Paypal PDT:");
sb.AppendLine("total: " + total);
sb.AppendLine("Payer status: " + payer_status);
sb.AppendLine("Payment status: " + payment_status);
sb.AppendLine("Pending reason: " + pending_reason);
sb.AppendLine("mc_currency: " + mc_currency);
sb.AppendLine("txn_id: " + txn_id);
sb.AppendLine("payment_type: " + payment_type);
sb.AppendLine("payer_id: " + payer_id);
sb.AppendLine("receiver_id: " + receiver_id);
sb.AppendLine("invoice: " + invoice);
sb.AppendLine("payment_fee: " + payment_fee);
OrderManager.InsertOrderNote(order.OrderId, sb.ToString(), false, DateTime.UtcNow);
}
if (GlobalState.payment != null)
{
if (GlobalState.order.gross != GlobalState.payment.gross)
{
Contract.Assume(false);
}
if (GlobalState.MerchantPaymentEmail != GlobalState.payment.payee)
{
Contract.Assume(false);
}
if (GlobalState.order.id == GlobalState.payment.id)
{
GlobalState.order.status = Global.OrderStatusEnum.Paid;
}
else
{
Contract.Assume(false);
}
}
}
else
{
Contract.Assume(false);
}
}
