public static ILightningClient CreateLightningClient(this LightningSupportedPaymentMethod supportedPaymentMethod, BTCPayNetwork network, LightningNetworkOptions options, LightningClientFactoryService lightningClientFactory)
{
var external = supportedPaymentMethod.GetExternalLightningUrl();
if (external != null)
{
return(lightningClientFactory.Create(external, network));
}
else
{
if (!options.InternalLightningByCryptoCode.TryGetValue(network.CryptoCode, out var connectionString))
{
throw new PaymentMethodUnavailableException("No internal node configured");
}
return(lightningClientFactory.Create(connectionString, network));
}
}
public ILightningInvoiceClient CreateClient(LightningSupportedPaymentMethod supportedPaymentMethod, BTCPayNetwork network)
{
var uri = supportedPaymentMethod.GetLightningUrl();
if (uri.ConnectionType == LightningConnectionType.Charge)
{
return(new ChargeClient(uri.ToUri(true), network.NBitcoinNetwork));
}
else if (uri.ConnectionType == LightningConnectionType.CLightning)
{
return(new CLightningRPCClient(uri.ToUri(false), network.NBitcoinNetwork));
}
else
{
throw new NotSupportedException($"Unsupported connection string for lightning server ({uri.ConnectionType})");
}
}
private async Task Listen(LightningSupportedPaymentMethod supportedPaymentMethod, BTCPayNetwork network)
{
ILightningInvoiceListener session = null;
try
{
Logs.PayServer.LogInformation($"{supportedPaymentMethod.CryptoCode} (Lightning): Start listening {supportedPaymentMethod.GetLightningUrl().BaseUri}");
var lightningClient = supportedPaymentMethod.CreateClient(network);
session = await lightningClient.Listen(_Cts.Token);
while (true)
{
var notification = await session.WaitInvoice(_Cts.Token);
ListenedInvoice listenedInvoice = GetListenedInvoice(notification.Id);
if (listenedInvoice == null)
{
continue;
}
if (notification.Id == listenedInvoice.PaymentMethodDetails.InvoiceId &&
notification.BOLT11 == listenedInvoice.PaymentMethodDetails.BOLT11)
{
if (notification.Status == LightningInvoiceStatus.Paid &&
notification.PaidAt.HasValue && notification.Amount != null)
{
await AddPayment(network, notification, listenedInvoice);
if (DoneListening(listenedInvoice))
{
break;
}
}
if (notification.Status == LightningInvoiceStatus.Expired)
{
if (DoneListening(listenedInvoice))
{
break;
}
}
}
}
}
catch when(_Cts.IsCancellationRequested)
{
}
private async Task Listen(LightningSupportedPaymentMethod supportedPaymentMethod, BTCPayNetwork network)
{
try
{
Logs.PayServer.LogInformation($"{supportedPaymentMethod.CryptoCode} (Lightning): Start listening {supportedPaymentMethod.GetLightningChargeUrl(false)}");
var charge = GetChargeClient(supportedPaymentMethod, network);
var session = await charge.Listen(_Cts.Token);
while (true)
{
var notification = await session.NextEvent(_Cts.Token);
ListenedInvoice listenedInvoice = GetListenedInvoice(notification.Id);
if (listenedInvoice == null)
{
continue;
}
if (notification.Id == listenedInvoice.PaymentMethodDetails.InvoiceId &&
notification.PaymentRequest == listenedInvoice.PaymentMethodDetails.BOLT11)
{
if (notification.Status == "paid" && notification.PaidAt.HasValue)
{
await AddPayment(network, notification, listenedInvoice);
if (DoneListening(listenedInvoice))
{
break;
}
}
if (notification.Status == "expired")
{
if (DoneListening(listenedInvoice))
{
break;
}
}
}
}
}
catch when(_Cts.IsCancellationRequested)
{
}
public ILightningInvoiceClient CreateClient(LightningSupportedPaymentMethod supportedPaymentMethod, BTCPayNetwork network)
{
var uri = supportedPaymentMethod.GetLightningUrl();
return(CreateClient(uri, network.NBitcoinNetwork));
}