more refactoring

lib/service/background_routines.go

@@ -0,0 +1,32 @@
+package service
+
+import (
+	"context"
+)
+
+func (svc *LndhubService) StartInvoiceRoutine(ctx context.Context) (err error) {
+	if svc.RabbitMQClient != nil {
+		err = svc.RabbitMQClient.SubscribeToLndInvoices(ctx, svc.ProcessInvoiceUpdate)
+		if err != nil && err != context.Canceled {
+			return err
+		}
+
+		return nil
+	} else {
+		err = svc.InvoiceUpdateSubscription(ctx)
+		if err != nil && err != context.Canceled {
+			// in case of an error in this routine, we want to restart LNDhub
+			return err
+		}
+
+		return nil
+	}
+}
+
+func (svc *LndhubService) StartPendingPaymentRoutine(ctx context.Context) (err error) {
+	if svc.RabbitMQClient != nil {
+		return svc.RabbitMQClient.FinalizeInitializedPayments(ctx, svc)
+	} else {
+		return svc.CheckAllPendingOutgoingPayments(ctx)
+	}
+}