add functions to rpc.proto, start lnshell

cmd/lnshell/commands.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"google.golang.org/grpc"
+)
+
+// connects via grpc to the ln node.  default (hardcoded?) local:10K
+func RpcConnect(args []string) error {
+	//	client := getClient(ctx)
+	opts := []grpc.DialOption{grpc.WithInsecure()}
+	conn, err := grpc.Dial("localhost:10000", opts...)
+	if err != nil {
+		return err
+	}
+	state, err := conn.State()
+	if err != nil {
+		return err
+	}
+	fmt.Printf("connection state: %s\n", state.String())
+	time.Sleep(time.Second * 2)
+	//	lnClient := lnrpc.NewLightningClient(conn)
+	//	lnClient.NewAddress(nil, nil, nil) // crashes
+
+	state, err = conn.State()
+	if err != nil {
+		return err
+	}
+	fmt.Printf("connection state: %s\n", state.String())
+
+	err = conn.Close()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func LnConnect(args []string) error {
+	fmt.Printf("lnconnect, %d args\n", len(args))
+	return nil
+}
+
+// LnListen listens on the default port for incoming connections
+func LnListen(args []string) error {
+
+	fmt.Printf("will start TCP port listener\n")
+	return nil
+}
+
+// For testing.  Syntax: lnhi hello world
+func LnChat(args []string) error {
+
+	var chat string
+	for _, s := range args {
+		chat += s + " "
+	}
+	//	msg := append([]byte{lnwire.MSGID_TEXTCHAT}, []byte(chat)...)
+
+	fmt.Printf("will send text message: %s\n", chat)
+	return nil
+}