Move nconnect codes into methods of nconnect struct

Signed-off-by: bill fort <fxbao@hotmail.com>

bin/main.go

@@ -1,8 +1,11 @@
 package main
 
 import (
+	"fmt"
 	"log"
 	"os"
+	"os/signal"
+	"syscall"
 
 	"github.com/jessevdk/go-flags"
 	"github.com/nknorg/nconnect"
@@ -16,13 +19,39 @@ func main() {
 		}
 	}()
 
-	var opts config.Opts
-	_, err := flags.Parse(&opts)
+	var opts = &config.Opts{}
+	_, err := flags.Parse(opts)
 	if err != nil {
 		if flagsErr, ok := err.(*flags.Error); ok && flagsErr.Type == flags.ErrHelp {
 			os.Exit(0)
 		}
 		log.Fatal(err)
 	}
-	nconnect.Run(&opts)
+
+	if opts.Version {
+		fmt.Println(config.Version)
+		os.Exit(0)
+	}
+
+	nc, err := nconnect.NewNconnect(opts)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if opts.Client {
+		err = nc.StartClient()
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+	if opts.Server {
+		err = nc.StartServer()
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	sigs := make(chan os.Signal, 1)
+	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
+	<-sigs
 }

config/config.go

@@ -15,7 +15,6 @@ import (
 
 	"github.com/nknorg/nconnect/util"
 	"github.com/nknorg/nkn/v2/common"
-	"github.com/nknorg/tuna/types"
 )
 
 const (
@@ -45,8 +44,6 @@ type Opts struct {
 	Address       bool `long:"address" description:"Print client address (client mode) or admin address (server mode)"`
 	WalletAddress bool `long:"wallet-address" description:"Print wallet address (server only)"`
 	Version       bool `long:"version" description:"Print version"`
-
-	TunaNode *types.Node
 }
 
 type Config struct {