/* Copyright © 2022 NAME HERE */ package cmd import ( "os" "github.com/spf13/cobra" "github.com/spf13/viper" ) var ( dbUsername string dbPassword string dbName string dbAddress string dbDriver string dbPort int bcAddress string bcPort int ) // captureCmd represents the capture command var captureCmd = &cobra.Command{ Use: "capture", Short: "Capture the SignedBeaconBlocks and BeaconStates from the Beacon Chain", Long: `Capture SignedBeaconBlocks and BeaconStates from the Beacon Chain. These blocks and states will be captured in Postgres. They require a beacon client to be connected. You can run this to capture blocks and states at head or historic blocks.`, } func init() { rootCmd.AddCommand(captureCmd) // Required Flags //// DB Specific captureCmd.PersistentFlags().StringVarP(&dbUsername, "db.username", "", "", "Database username (required)") captureCmd.PersistentFlags().StringVarP(&dbPassword, "db.password", "", "", "Database Password (required)") captureCmd.PersistentFlags().StringVarP(&dbAddress, "db.address", "", "", "Port to connect to DB(required)") captureCmd.PersistentFlags().StringVarP(&dbName, "db.name", "n", "", "Database name connect to DB(required)") captureCmd.PersistentFlags().StringVarP(&dbDriver, "db.driver", "", "", "Database Driver to connect to DB(required)") captureCmd.PersistentFlags().IntVarP(&dbPort, "db.port", "", 0, "Port to connect to DB(required)") err := captureCmd.MarkPersistentFlagRequired("db.username") exitErr(err) err = captureCmd.MarkPersistentFlagRequired("db.password") exitErr(err) err = captureCmd.MarkPersistentFlagRequired("db.address") exitErr(err) err = captureCmd.MarkPersistentFlagRequired("db.port") exitErr(err) err = captureCmd.MarkPersistentFlagRequired("db.name") exitErr(err) err = captureCmd.MarkPersistentFlagRequired("db.driver") exitErr(err) //// Beacon Client Specific captureCmd.PersistentFlags().StringVarP(&bcAddress, "bc.address", "l", "", "Address to connect to beacon node (required if username is set)") captureCmd.PersistentFlags().IntVarP(&bcPort, "bc.port", "r", 0, "Port to connect to beacon node (required if username is set)") err = captureCmd.MarkPersistentFlagRequired("bc.address") exitErr(err) err = captureCmd.MarkPersistentFlagRequired("bc.port") exitErr(err) // Bind Flags with Viper //// DB Flags err = viper.BindPFlag("db.username", captureCmd.PersistentFlags().Lookup("db.username")) exitErr(err) err = viper.BindPFlag("db.password", captureCmd.PersistentFlags().Lookup("db.password")) exitErr(err) err = viper.BindPFlag("db.address", captureCmd.PersistentFlags().Lookup("db.address")) exitErr(err) err = viper.BindPFlag("db.port", captureCmd.PersistentFlags().Lookup("db.port")) exitErr(err) err = viper.BindPFlag("db.name", captureCmd.PersistentFlags().Lookup("db.name")) exitErr(err) err = viper.BindPFlag("db.driver", captureCmd.PersistentFlags().Lookup("db.driver")) exitErr(err) // LH specific err = viper.BindPFlag("bc.address", captureCmd.PersistentFlags().Lookup("bc.address")) exitErr(err) err = viper.BindPFlag("bc.port", captureCmd.PersistentFlags().Lookup("bc.port")) exitErr(err) // Here you will define your flags and configuration settings. } // Helper function to catch any errors. // We need to capture these errors for the linter. func exitErr(err error) { if err != nil { os.Exit(1) } }