public override async Task <IPaymentMethodDetails> CreatePaymentMethodDetails(LightningSupportedPaymentMethod supportedPaymentMethod, PaymentMethod paymentMethod, BTCPayNetwork network)
{
var test = Test(supportedPaymentMethod, network);
var invoice = paymentMethod.ParentEntity;
var due = Extensions.RoundUp(invoice.ProductInformation.Price / paymentMethod.Rate, 8);
var client = _LightningClientFactory.CreateClient(supportedPaymentMethod, network);
var expiry = invoice.ExpirationTime - DateTimeOffset.UtcNow;
if (expiry < TimeSpan.Zero)
{
expiry = TimeSpan.FromSeconds(1);
}
LightningInvoice lightningInvoice = null;
try
{
lightningInvoice = await client.CreateInvoice(new LightMoney(due, LightMoneyUnit.BTC), expiry);
}
catch (Exception ex)
{
throw new PaymentMethodUnavailableException($"Impossible to create lightning invoice ({ex.Message})", ex);
}
var nodeInfo = await test;
return(new LightningLikePaymentMethodDetails()
{
BOLT11 = lightningInvoice.BOLT11,
InvoiceId = lightningInvoice.Id,
NodeInfo = nodeInfo.ToString()
});
}
private async Task EnsureListening(string invoiceId, bool poll)
{
if (Listening(invoiceId))
{
return;
}
var invoice = await _InvoiceRepository.GetInvoice(null, invoiceId);
foreach (var paymentMethod in invoice.GetPaymentMethods(_NetworkProvider)
.Where(c => c.GetId().PaymentType == PaymentTypes.LightningLike))
{
var lightningMethod = paymentMethod.GetPaymentMethodDetails() as LightningLikePaymentMethodDetails;
if (lightningMethod == null)
{
continue;
}
var lightningSupportedMethod = invoice.GetSupportedPaymentMethod <LightningSupportedPaymentMethod>(_NetworkProvider)
.FirstOrDefault(c => c.CryptoCode == paymentMethod.GetId().CryptoCode);
if (lightningSupportedMethod == null)
{
continue;
}
var network = _NetworkProvider.GetNetwork(paymentMethod.GetId().CryptoCode);
var listenedInvoice = new ListenedInvoice()
{
Uri = lightningSupportedMethod.GetLightningUrl().BaseUri.AbsoluteUri,
PaymentMethodDetails = lightningMethod,
SupportedPaymentMethod = lightningSupportedMethod,
PaymentMethod = paymentMethod,
Network = network,
InvoiceId = invoice.Id
};
if (poll)
{
var charge = _LightningClientFactory.CreateClient(lightningSupportedMethod, network);
var chargeInvoice = await charge.GetInvoice(lightningMethod.InvoiceId);
if (chargeInvoice == null)
{
continue;
}
if (chargeInvoice.Status == "paid")
{
await AddPayment(network, chargeInvoice, listenedInvoice);
}
if (chargeInvoice.Status == "paid" || chargeInvoice.Status == "expired")
{
continue;
}
}
StartListening(listenedInvoice);
}
}
public override async Task <IPaymentMethodDetails> CreatePaymentMethodDetails(LightningSupportedPaymentMethod supportedPaymentMethod, PaymentMethod paymentMethod, StoreData store, BTCPayNetwork network, object preparePaymentObject)
{
var storeBlob = store.GetStoreBlob();
var test = Test(supportedPaymentMethod, network);
var invoice = paymentMethod.ParentEntity;
var due = Extensions.RoundUp(invoice.ProductInformation.Price / paymentMethod.Rate, 8);
var client = _LightningClientFactory.CreateClient(supportedPaymentMethod, network);
var expiry = invoice.ExpirationTime - DateTimeOffset.UtcNow;
if (expiry < TimeSpan.Zero)
{
expiry = TimeSpan.FromSeconds(1);
}
LightningInvoice lightningInvoice = null;
string description = storeBlob.LightningDescriptionTemplate;
description = description.Replace("{StoreName}", store.StoreName ?? "", StringComparison.OrdinalIgnoreCase)
.Replace("{ItemDescription}", invoice.ProductInformation.ItemDesc ?? "", StringComparison.OrdinalIgnoreCase)
.Replace("{OrderId}", invoice.OrderId ?? "", StringComparison.OrdinalIgnoreCase);
using (var cts = new CancellationTokenSource(LIGHTNING_TIMEOUT))
{
try
{
lightningInvoice = await client.CreateInvoice(new LightMoney(due, LightMoneyUnit.BTC), description, expiry, cts.Token);
}
catch (OperationCanceledException) when(cts.IsCancellationRequested)
{
throw new PaymentMethodUnavailableException($"The lightning node did not replied in a timely maner");
}
catch (Exception ex)
{
throw new PaymentMethodUnavailableException($"Impossible to create lightning invoice ({ex.Message})", ex);
}
}
var nodeInfo = await test;
return(new LightningLikePaymentMethodDetails()
{
BOLT11 = lightningInvoice.BOLT11,
InvoiceId = lightningInvoice.Id,
NodeInfo = nodeInfo.ToString()
});
}
public override async Task <IPaymentMethodDetails> CreatePaymentMethodDetails(LightningSupportedPaymentMethod supportedPaymentMethod, PaymentMethod paymentMethod, BTCPayNetwork network)
{
var invoice = paymentMethod.ParentEntity;
var due = Extensions.RoundUp(invoice.ProductInformation.Price / paymentMethod.Rate, 8);
var client = _LightningClientFactory.CreateClient(supportedPaymentMethod, network);
var expiry = invoice.ExpirationTime - DateTimeOffset.UtcNow;
if (expiry < TimeSpan.Zero)
{
expiry = TimeSpan.FromSeconds(1);
}
var lightningInvoice = await client.CreateInvoice(new LightMoney(due, LightMoneyUnit.BTC), expiry);
return(new LightningLikePaymentMethodDetails()
{
BOLT11 = lightningInvoice.BOLT11,
InvoiceId = lightningInvoice.Id
});
}
public ILightningClient CreateClient(BTCPayNetwork network)
{
return(LightningClientFactory.CreateClient(this.GetLightningUrl(), network.NBitcoinNetwork));
}
