Merge pull request #10064 from ellemouton/getChanInfoGrpcErr

rpcserver: return consistent grpc NotFound error for GetChaninfo & LookupInvoice

rpcserver.go

@@ -6445,7 +6445,9 @@ func (r *rpcServer) LookupInvoice(ctx context.Context,
 
 	invoice, err := r.server.invoices.LookupInvoice(ctx, payHash)
 	switch {
-	case errors.Is(err, invoices.ErrInvoiceNotFound):
+	case errors.Is(err, invoices.ErrInvoiceNotFound) ||
+		errors.Is(err, invoices.ErrNoInvoicesCreated):
+
 		return nil, status.Error(codes.NotFound, err.Error())
 	case err != nil:
 		return nil, err
@@ -6989,7 +6991,10 @@ func (r *rpcServer) GetChanInfo(_ context.Context,
 	default:
 		return nil, fmt.Errorf("specify either chan_id or chan_point")
 	}
-	if err != nil {
+	switch {
+	case errors.Is(err, graphdb.ErrEdgeNotFound):
+		return nil, status.Error(codes.NotFound, err.Error())
+	case err != nil:
 		return nil, err
 	}