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• Variables

Variables

var StartNodeCmd = &cobra.Command{
	Use:   "start-node",
	Short: "Starts an instance of SSV node",
	Run: func(cmd *cobra.Command, args []string) {
		commons.SetBuildData(cmd.Parent().Short, cmd.Parent().Version)
		log.Printf("starting %s", commons.GetBuildData())
		if err := cleanenv.ReadConfig(globalArgs.ConfigPath, &cfg); err != nil {
			log.Fatal(err)
		}
		if globalArgs.ShareConfigPath != "" {
			if err := cleanenv.ReadConfig(globalArgs.ShareConfigPath, &cfg); err != nil {
				log.Fatal(err)
			}
		}
		loggerLevel, errLogLevel := logex.GetLoggerLevelValue(cfg.LogLevel)
		Logger := logex.Build(commons.GetBuildData(), loggerLevel, &logex.EncodingConfig{
			Format:       cfg.GlobalConfig.LogFormat,
			LevelEncoder: logex.LevelEncoder([]byte(cfg.LogLevelFormat)),
		})
		if errLogLevel != nil {
			Logger.Warn(fmt.Sprintf("Default log level set to %s", loggerLevel), zap.Error(errLogLevel))
		}

		ok, err := migrationutils.E2kmMigration(Logger)
		if err != nil {
			log.Fatal("Failed to create e2km migration file", zap.Error(err))
		}
		if ok {
			cfg.ETH1Options.CleanRegistryData = true
		}

		fork := v0.New()

		cfg.DBOptions.Logger = Logger
		cfg.DBOptions.Ctx = cmd.Context()
		db, err := storage.GetStorageFactory(cfg.DBOptions)
		if err != nil {
			Logger.Fatal("failed to create db!", zap.Error(err))
		}

		eth2Network := core.NetworkFromString(cfg.ETH2Options.Network)

		cfg.ETH2Options.Context = cmd.Context()
		cfg.ETH2Options.Logger = Logger
		cfg.ETH2Options.Graffiti = []byte("SSV.Network")
		cfg.ETH2Options.DB = db
		beaconClient, err := goclient.New(cfg.ETH2Options)
		if err != nil {
			Logger.Fatal("failed to create beacon go-client", zap.Error(err),
				zap.String("addr", cfg.ETH2Options.BeaconNodeAddr))
		}

		operatorStorage := operator.NewOperatorNodeStorage(db, Logger)
		if err := operatorStorage.SetupPrivateKey(cfg.OperatorPrivateKey); err != nil {
			Logger.Fatal("failed to setup operator private key", zap.Error(err))
		}
		operatorPrivKey, found, err := operatorStorage.GetPrivateKey()
		if err != nil || !found {
			Logger.Fatal("failed to get operator private key", zap.Error(err))
		}
		cfg.P2pNetworkConfig.OperatorPrivateKey = operatorPrivKey
		cfg.P2pNetworkConfig.NetworkPrivateKey = utils.ECDSAPrivateKey(Logger, cfg.NetworkPrivateKey)
		cfg.P2pNetworkConfig.Fork = fork.NetworkFork()
		p2pNet, err := p2p.New(cmd.Context(), Logger, &cfg.P2pNetworkConfig)
		if err != nil {
			Logger.Fatal("failed to create network", zap.Error(err))
		}

		ctx := cmd.Context()
		cfg.SSVOptions.Fork = fork
		cfg.SSVOptions.Context = ctx
		cfg.SSVOptions.Logger = Logger
		cfg.SSVOptions.DB = db
		cfg.SSVOptions.Beacon = beaconClient
		cfg.SSVOptions.ETHNetwork = &eth2Network
		cfg.SSVOptions.Network = p2pNet

		cfg.SSVOptions.ValidatorOptions.Fork = cfg.SSVOptions.Fork
		cfg.SSVOptions.ValidatorOptions.ETHNetwork = &eth2Network
		cfg.SSVOptions.ValidatorOptions.Logger = Logger
		cfg.SSVOptions.ValidatorOptions.Context = ctx
		cfg.SSVOptions.ValidatorOptions.DB = db
		cfg.SSVOptions.ValidatorOptions.Network = p2pNet
		cfg.SSVOptions.ValidatorOptions.Beacon = beaconClient
		cfg.SSVOptions.ValidatorOptions.CleanRegistryData = cfg.ETH1Options.CleanRegistryData
		cfg.SSVOptions.ValidatorOptions.KeyManager = beaconClient

		cfg.SSVOptions.ValidatorOptions.ShareEncryptionKeyProvider = operatorStorage.GetPrivateKey

		if len(cfg.ETH1Options.RegistryContractABI) > 0 {
			Logger.Info("using registry contract abi", zap.String("abi", cfg.ETH1Options.RegistryContractABI))
			if err = eth1.LoadABI(cfg.ETH1Options.RegistryContractABI); err != nil {
				Logger.Fatal("failed to load ABI JSON", zap.Error(err))
			}
		}
		cfg.SSVOptions.Eth1Client, err = goeth.NewEth1Client(goeth.ClientOptions{
			Ctx:                        cmd.Context(),
			Logger:                     Logger,
			NodeAddr:                   cfg.ETH1Options.ETH1Addr,
			ConnectionTimeout:          cfg.ETH1Options.ETH1ConnectionTimeout,
			ContractABI:                eth1.ContractABI(),
			RegistryContractAddr:       cfg.ETH1Options.RegistryContractAddr,
			ShareEncryptionKeyProvider: operatorStorage.GetPrivateKey,
		})
		if err != nil {
			Logger.Fatal("failed to create eth1 client", zap.Error(err))
		}

		validatorCtrl := validator.NewController(cfg.SSVOptions.ValidatorOptions)
		cfg.SSVOptions.ValidatorController = validatorCtrl

		operatorNode = operator.New(cfg.SSVOptions)

		metrics.WaitUntilHealthy(Logger, cfg.SSVOptions.Eth1Client, "eth1 node")
		metrics.WaitUntilHealthy(Logger, beaconClient, "beacon node")

		if err := operatorNode.StartEth1(eth1.HexStringToSyncOffset(cfg.ETH1Options.ETH1SyncOffset)); err != nil {
			Logger.Fatal("failed to start eth1", zap.Error(err))
		}
		if cfg.MetricsAPIPort > 0 {
			go startMetricsHandler(Logger, cfg.MetricsAPIPort, cfg.EnableProfile)
		}
		if err := operatorNode.Start(); err != nil {
			Logger.Fatal("failed to start SSV node", zap.Error(err))
		}
	},
}

StartNodeCmd is the command to start SSV node