lnrpc: send custom message

cmd/lncli/cmd_custom.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"encoding/hex"
+
+	"github.com/lightningnetwork/lnd/lnrpc"
+	"github.com/urfave/cli"
+)
+
+var sendCustomCommand = cli.Command{
+	Name: "sendcustom",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name: "peer",
+		},
+		cli.Uint64Flag{
+			Name: "type",
+		},
+		cli.StringFlag{
+			Name: "data",
+		},
+	},
+	Action: actionDecorator(sendCustom),
+}
+
+func sendCustom(ctx *cli.Context) error {
+	ctxc := getContext()
+	client, cleanUp := getClient(ctx)
+	defer cleanUp()
+
+	peer, err := hex.DecodeString(ctx.String("peer"))
+	if err != nil {
+		return err
+	}
+
+	msgType := ctx.Uint64("type")
+
+	data, err := hex.DecodeString(ctx.String("data"))
+	if err != nil {
+		return err
+	}
+
+	_, err = client.SendCustomMessage(
+		ctxc,
+		&lnrpc.SendCustomMessageRequest{
+			Peer: peer,
+			Type: uint32(msgType),
+			Data: data,
+		},
+	)
+
+	return err
+}

cmd/lncli/main.go

@@ -384,6 +384,7 @@ func main() {
 		profileSubCommand,
 		getStateCommand,
 		deletePaymentsCommand,
+		sendCustomCommand,
 	}
 
 	// Add any extra commands determined by build flags.