public PaymentFormData GetPaymentRequestFormData(PaymentRequest paymentRequest, string merchantKey) { PaymentFormData result = new PaymentFormData(); result.Ds_SignatureVersion = "HMAC_SHA256_V1"; result.Ds_MerchantParameters = merchantParamentersManager.GetMerchantParameters(paymentRequest); result.Ds_Signature = signatureManager.GetSignature(result.Ds_MerchantParameters, paymentRequest.Ds_Merchant_Order, merchantKey); return(result); }