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Showing exchange rate for cryptos

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Ref: https://github.com/btcpayserver/btcpayserver/pull/170#issuecomment-389462155
This commit is contained in:
rockstardev
2018-05-16 05:46:11 -05:00
parent 7062705d6f
commit 20635ea3d6
2 changed files with 19 additions and 15 deletions
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32
BTCPayServer/Controllers/InvoiceController.UI.cs
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@@ -85,7 +85,7 @@ namespace BTCPayServer.Controllers
{ {
cryptoPayment.Address = onchainMethod.DepositAddress; cryptoPayment.Address = onchainMethod.DepositAddress;
} }
cryptoPayment.Rate = FormatCurrency(data); cryptoPayment.Rate = ExchangeRate(data);
cryptoPayment.PaymentUrl = cryptoInfo.PaymentUrls.BIP21; cryptoPayment.PaymentUrl = cryptoInfo.PaymentUrls.BIP21;
model.CryptoPayments.Add(cryptoPayment); model.CryptoPayments.Add(cryptoPayment);
} }
@@ -244,14 +244,14 @@ namespace BTCPayServer.Controllers
BtcAddress = paymentMethodDetails.GetPaymentDestination(), BtcAddress = paymentMethodDetails.GetPaymentDestination(),
BtcDue = accounting.Due.ToString(), BtcDue = accounting.Due.ToString(),
OrderAmount = (accounting.TotalDue - accounting.NetworkFee).ToString(), OrderAmount = (accounting.TotalDue - accounting.NetworkFee).ToString(),
OrderAmountFiat = OrderAmountFiat(invoice.ProductInformation), OrderAmountFiat = OrderAmountFromInvoice(network.CryptoCode, invoice.ProductInformation),
CustomerEmail = invoice.RefundMail, CustomerEmail = invoice.RefundMail,
RequiresRefundEmail = storeBlob.RequiresRefundEmail, RequiresRefundEmail = storeBlob.RequiresRefundEmail,
ExpirationSeconds = Math.Max(0, (int)(invoice.ExpirationTime - DateTimeOffset.UtcNow).TotalSeconds), ExpirationSeconds = Math.Max(0, (int)(invoice.ExpirationTime - DateTimeOffset.UtcNow).TotalSeconds),
MaxTimeSeconds = (int)(invoice.ExpirationTime - invoice.InvoiceTime).TotalSeconds, MaxTimeSeconds = (int)(invoice.ExpirationTime - invoice.InvoiceTime).TotalSeconds,
MaxTimeMinutes = (int)(invoice.ExpirationTime - invoice.InvoiceTime).TotalMinutes, MaxTimeMinutes = (int)(invoice.ExpirationTime - invoice.InvoiceTime).TotalMinutes,
ItemDesc = invoice.ProductInformation.ItemDesc, ItemDesc = invoice.ProductInformation.ItemDesc,
Rate = FormatCurrency(paymentMethod), Rate = ExchangeRate(paymentMethod),
MerchantRefLink = invoice.RedirectURL ?? "/", MerchantRefLink = invoice.RedirectURL ?? "/",
StoreName = store.StoreName, StoreName = store.StoreName,
InvoiceBitcoinUrl = paymentMethodId.PaymentType == PaymentTypes.BTCLike ? cryptoInfo.PaymentUrls.BIP21 : InvoiceBitcoinUrl = paymentMethodId.PaymentType == PaymentTypes.BTCLike ? cryptoInfo.PaymentUrls.BIP21 :
@@ -289,11 +289,20 @@ namespace BTCPayServer.Controllers
return (paymentMethodId.PaymentType == PaymentTypes.BTCLike ? Url.Content(network.CryptoImagePath) : Url.Content(network.LightningImagePath)); return (paymentMethodId.PaymentType == PaymentTypes.BTCLike ? Url.Content(network.CryptoImagePath) : Url.Content(network.LightningImagePath));
} }
private string FormatCurrency(PaymentMethod paymentMethod) private string OrderAmountFromInvoice(string cryptoCode, ProductInformation productInformation)
{
// if invoice source currency is the same as currently display currency, no need for "order amount from invoice"
if (cryptoCode == productInformation.Currency)
return null;
return FormatCurrency(productInformation.Price, productInformation.Currency, _CurrencyNameTable);
}
private string ExchangeRate(PaymentMethod paymentMethod)
{ {
string currency = paymentMethod.ParentEntity.ProductInformation.Currency; string currency = paymentMethod.ParentEntity.ProductInformation.Currency;
return FormatCurrency(paymentMethod.Rate, currency, _CurrencyNameTable); return FormatCurrency(paymentMethod.Rate, currency, _CurrencyNameTable);
} }
public static string FormatCurrency(decimal price, string currency, CurrencyNameTable currencies) public static string FormatCurrency(decimal price, string currency, CurrencyNameTable currencies)
{ {
var provider = currencies.GetNumberFormatInfo(currency); var provider = currencies.GetNumberFormatInfo(currency);
@@ -314,18 +323,13 @@ namespace BTCPayServer.Controllers
provider = (NumberFormatInfo)provider.Clone(); provider = (NumberFormatInfo)provider.Clone();
provider.CurrencyDecimalDigits = divisibility; provider.CurrencyDecimalDigits = divisibility;
} }
if (_specialCryptoFormat.Contains(currency))
return price.ToString("C", provider);
else
return price.ToString("C", provider) + $" ({currency})"; return price.ToString("C", provider) + $" ({currency})";
} }
private string OrderAmountFiat(ProductInformation productInformation) private static readonly string[] _specialCryptoFormat = new[] { "BTC", "LTC" };
{
// check if invoice source currency is crypto... if it is there is no "order amount in fiat"
if (_NetworkProvider.GetNetwork(productInformation.Currency) != null)
{
return null;
}
return FormatCurrency(productInformation.Price, productInformation.Currency, _CurrencyNameTable);
}
[HttpGet] [HttpGet]
[Route("i/{invoiceId}/status")] [Route("i/{invoiceId}/status")]