terminal: init the autopilot client

Author: ellemouton

config.go

@@ -17,6 +17,7 @@ import (
 	"github.com/lightninglabs/faraday"
 	"github.com/lightninglabs/faraday/chain"
 	"github.com/lightninglabs/faraday/frdrpcserver"
+	"github.com/lightninglabs/lightning-terminal/autopilotserver"
 	mid "github.com/lightninglabs/lightning-terminal/rpcmiddleware"
 	"github.com/lightninglabs/lndclient"
 	"github.com/lightninglabs/loop/loopd"
@@ -185,6 +186,8 @@ type Config struct {
 
 	RPCMiddleware *mid.Config `group:"RPC middleware options" namespace:"rpcmiddleware"`
 
+	Autopilot *autopilotserver.Config `group:"Autopilot server options" namespace:"autopilot"`
+
 	// faradayRpcConfig is a subset of faraday's full configuration that is
 	// passed into faraday's RPC server.
 	faradayRpcConfig *frdrpcserver.Config
@@ -325,6 +328,9 @@ func defaultConfig() *Config {
 		Pool:                 &poolDefaultConfig,
 		RPCMiddleware:        mid.DefaultConfig(),
 		FirstLNCConnDeadline: defaultFirstLNCConnTimeout,
+		Autopilot: &autopilotserver.Config{
+			PingCadence: time.Hour,
+		},
 	}
 }
 

terminal.go

@@ -22,6 +22,7 @@ import (
 	"github.com/lightninglabs/faraday/frdrpc"
 	"github.com/lightninglabs/faraday/frdrpcserver"
 	"github.com/lightninglabs/lightning-terminal/accounts"
+	"github.com/lightninglabs/lightning-terminal/autopilotserver"
 	"github.com/lightninglabs/lightning-terminal/firewall"
 	"github.com/lightninglabs/lightning-terminal/firewalldb"
 	"github.com/lightninglabs/lightning-terminal/litrpc"
@@ -64,6 +65,9 @@ import (
 )
 
 const (
+	MainnetServer = "autopilot.lightning.finance:12010"
+	TestnetServer = "test.autopilot.lightning.finance:12010"
+
 	defaultServerTimeout  = 10 * time.Second
 	defaultConnectTimeout = 15 * time.Second
 	defaultStartupTimeout = 5 * time.Second
@@ -156,6 +160,8 @@ type LightningTerminal struct {
 	faradayServer  *frdrpcserver.RPCServer
 	faradayStarted bool
 
+	autopilotClient autopilotserver.Autopilot
+
 	ruleMgrs rules.ManagerSet
 
 	loopServer  *loopd.Daemon
@@ -261,6 +267,35 @@ func (g *LightningTerminal) Run() error {
 		return fmt.Errorf("error creating session DB: %v", err)
 	}
 
+	if !g.cfg.Autopilot.Disable {
+		if g.cfg.Autopilot.Address == "" &&
+			len(g.cfg.Autopilot.DialOpts) == 0 {
+
+			switch g.cfg.Network {
+			case "mainnet":
+				g.cfg.Autopilot.Address = MainnetServer
+			case "testnet":
+				g.cfg.Autopilot.Address = TestnetServer
+			default:
+				return errors.New("no autopilot server " +
+					"address specified")
+			}
+		}
+
+		g.cfg.Autopilot.LitVersion = autopilotserver.Version{
+			Major: uint32(appMajor),
+			Minor: uint32(appMinor),
+			Patch: uint32(appPatch),
+		}
+
+		g.autopilotClient, err = autopilotserver.NewClient(
+			g.cfg.Autopilot,
+		)
+		if err != nil {
+			return err
+		}
+	}
+
 	g.sessionRpcServer, err = newSessionRPCServer(&sessionRpcServerConfig{
 		basicAuth: g.rpcProxy.basicAuth,
 		dbDir:     filepath.Join(g.cfg.LitDir, g.cfg.Network),
@@ -649,6 +684,21 @@ func (g *LightningTerminal) startSubservers() error {
 	}
 	g.macaroonServiceStarted = true
 
+	if !g.cfg.Autopilot.Disable {
+		withLndVersion := func(cfg *autopilotserver.Config) {
+			cfg.LndVersion = autopilotserver.Version{
+				Major: g.lndClient.Version.AppMajor,
+				Minor: g.lndClient.Version.AppMinor,
+				Patch: g.lndClient.Version.AppPatch,
+			}
+		}
+
+		if err = g.autopilotClient.Start(withLndVersion); err != nil {
+			return fmt.Errorf("could not start the autopilot "+
+				"client: %v", err)
+		}
+	}
+
 	log.Infof("Starting LiT session server")
 	if err = g.sessionRpcServer.start(); err != nil {
 		return err
@@ -970,6 +1020,10 @@ func (g *LightningTerminal) shutdown() error {
 		}
 	}
 
+	if g.autopilotClient != nil {
+		g.autopilotClient.Stop()
+	}
+
 	if g.sessionRpcServerStarted {
 		if err := g.sessionRpcServer.stop(); err != nil {
 			log.Errorf("Error closing session DB: %v", err)