linting

api/edge/bff/internal/server/walletapiimp/balance.go

@@ -223,6 +223,7 @@ func (a *WalletAPI) queryBalanceFromGateways(ctx context.Context, gateways []dis
 	a.logger.Debug("Wallet balance fan-out completed without result",
 		zap.String("organization_ref", organizationRef),
 		zap.String("wallet_ref", walletRef))
+	//nolint:nilnil // No gateway returned a balance and no hard error occurred.
 	return nil, nil
 }
 
@@ -238,7 +239,11 @@ func (a *WalletAPI) queryGatewayBalance(ctx context.Context, gateway discovery.G
 	if err != nil {
 		return nil, merrors.InternalWrap(err, "dial gateway")
 	}
-	defer conn.Close()
+	defer func() {
+		if closeErr := conn.Close(); closeErr != nil {
+			a.logger.Warn("Failed to close gateway connection", zap.Error(closeErr), zap.String("gateway", gateway.ID))
+		}
+	}()
 
 	client := connectorv1.NewConnectorServiceClient(conn)
 

api/edge/bff/internal/server/walletapiimp/create.go

@@ -173,7 +173,11 @@ func (a *WalletAPI) createWalletOnGateway(ctx context.Context, gateway discovery
 	if err != nil {
 		return "", merrors.InternalWrap(err, "dial gateway")
 	}
-	defer conn.Close()
+	defer func() {
+		if closeErr := conn.Close(); closeErr != nil {
+			a.logger.Warn("Failed to close gateway connection", zap.Error(closeErr), zap.String("gateway", gateway.ID))
+		}
+	}()
 
 	client := connectorv1.NewConnectorServiceClient(conn)
 

api/edge/bff/internal/server/walletapiimp/list.go

@@ -226,7 +226,11 @@ func (a *WalletAPI) queryGateway(ctx context.Context, gateway discovery.GatewayS
 	if err != nil {
 		return nil, merrors.InternalWrap(err, "dial gateway")
 	}
-	defer conn.Close()
+	defer func() {
+		if closeErr := conn.Close(); closeErr != nil {
+			a.logger.Warn("Failed to close gateway connection", zap.Error(closeErr), zap.String("gateway", gateway.ID))
+		}
+	}()
 
 	client := connectorv1.NewConnectorServiceClient(conn)
 

api/edge/bff/internal/server/walletapiimp/routing.go

@@ -64,18 +64,21 @@ func (a *WalletAPI) rememberWalletRoute(ctx context.Context, organizationRef str
 
 func (a *WalletAPI) walletRoute(ctx context.Context, organizationRef string, walletRef string) (*model.ChainWalletRoute, error) {
 	if a.routes == nil {
+		//nolint:nilnil // Routing cache is optional and may be disabled.
 		return nil, nil
 	}
 
 	walletRef = strings.TrimSpace(walletRef)
 	organizationRef = strings.TrimSpace(organizationRef)
 	if walletRef == "" || organizationRef == "" {
+		//nolint:nilnil // Missing route keys mean no cached route.
 		return nil, nil
 	}
 
 	route, err := a.routes.Get(ctx, organizationRef, walletRef)
 	if err != nil {
 		if errors.Is(err, merrors.ErrNoData) {
+			//nolint:nilnil // Route not found in cache.
 			return nil, nil
 		}
 		return nil, err

api/edge/bff/internal/server/walletapiimp/service.go

@@ -129,7 +129,7 @@ func (a *WalletAPI) initDiscoveryClient(cfg *eapi.Config) error {
 	if err != nil {
 		return err
 	}
-	client, err := discovery.NewClient(a.logger, broker, nil, string(a.Name()))
+	client, err := discovery.NewClient(a.logger, broker, nil, a.Name())
 	if err != nil {
 		return err
 	}