package main import ( "strconv" "github.com/sirupsen/logrus" "github.com/spf13/cobra" ) var orderbookCmd = &cobra.Command{ Use: "orderbook", // SilenceUsage is an option to silence usage when an error occurs. SilenceUsage: true, Args: cobra.MinimumNArgs(1), RunE: func(cmd *cobra.Command, args []string) error { if len(args) == 0 { return nil } var depth = 0 if len(args) > 1 { v, err := strconv.Atoi(args[1]) if err != nil { return err } depth = v } orderBook, err := client.MarketDataService.GetOrderBook(args[0], depth) if err != nil { return err } logrus.Infof("orderBook: %+v", orderBook) return nil }, }