public string Param(PaymentAttributes fomo, bool withSignature)
{
SortedDictionary <string, string> param = new SortedDictionary <string, string>();
param.Add("merchant", fomo.Merchant);
param.Add("price", fomo.Price);
param.Add("description", fomo.Description);
param.Add("transaction", fomo.Transaction);
param.Add("return_url", fomo.ReturnUrl);
param.Add("callback_url", fomo.CallbackUrl);
param.Add("currency_code", fomo.CurrencyCode);
param.Add("type", fomo.Type);
param.Add("timeout", fomo.Timeout);
param.Add("nonce", fomo.Nonce);
if (withSignature)
{
param.Add("signature", fomo.Signature);
}
StringBuilder strArray = new StringBuilder();
foreach (KeyValuePair <string, string> temp in param)
{
strArray.Append(temp.Key + "=" + temp.Value + "&");
}
int nLen = strArray.Length;
strArray.Remove(nLen - 1, 1);
return(strArray.ToString());
}
private void FomoPaymentProcess(PaymentAttributes fomo)
{
// To be modified for actual payment gateway
fomo.Url = "https://gateway.fomopay.com/sandbox/pgw/v1";
fomo.Merchant = "test";
string apiKey = "00000000";
string param = this.Param(fomo, false);
string queryString = param + "&shared_key=" + apiKey;
Console.WriteLine(queryString);
fomo.Signature = ComputeSha256Hash(queryString);
}
public string fomoSignatureTest()
{
PaymentAttributes fomo = new PaymentAttributes()
{
Price = "1",
Description = "a"
};
string host = "https://localhost:8100/menu/e-wallet/topup";
// set predefine values
fomo.ReturnUrl = host + "/payment/return";
fomo.CallbackUrl = host + "/payment/callback";
fomo.Transaction = "aaaa";
fomo.Nonce = "bbbb";
fomo.Type = "sale";
fomo.Timeout = "1800";
fomo.CurrencyCode = "sgd";
FomoPaymentProcess(fomo);
return(fomo.Signature);
}
