fix signal handling

main.go

@@ -103,6 +103,10 @@ func nodeMain() {
 
 	// load keystore
 	ks := crypto.NewLuxKeyStore(config.KeyStore)
+	if err := ks.Load(); err != nil {
+		fmt.Fprintf(os.Stderr, "failed to laod keystore: %v\n", err)
+		os.Exit(1)
+	}
 
 	nodeKey, ok := ks.Get(nodeId)
 	if !ok {
@@ -175,16 +179,20 @@ func nodeMain() {
 	sigs := make(chan os.Signal, 1)
 	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
 
+signaling:
 	for {
 		sig := <-sigs
+		fmt.Println(sig)
 		switch sig {
 		case syscall.SIGINT:
+			break signaling
 		case syscall.SIGTERM:
-			// stop node daemon
-			node.Stop()
-			os.Exit(0)
+			break signaling
 		}
 	}
+
+	// stop daemon
+	node.Stop()
 }
 
 func main() {