feat(cli): add version command

Co-authored-by: Gaze <dev@gaze.network>

cmd/cmd.go

@@ -51,6 +51,7 @@ func Execute() {
 
 	// Execute command
 	if err := cmd.Execute(); err != nil {
-		logger.Panic("Failed to execute root command", slogx.Error(err))
+		// use cobra to log error message by default
+		logger.Debug("Failed to execute root command", slogx.Error(err))
 	}
 }

cmd/version.go

@@ -3,19 +3,47 @@ package cmd
 import (
 	"fmt"
 
+	"github.com/cockroachdb/errors"
+	"github.com/gaze-network/indexer-network/common/errs"
+	"github.com/gaze-network/indexer-network/core/constants"
+	"github.com/gaze-network/indexer-network/modules/bitcoin"
+	"github.com/gaze-network/indexer-network/modules/runes"
 	"github.com/spf13/cobra"
 )
 
-func NewVersionCommand() *cobra.Command {
-	return &cobra.Command{
-		Use:   "version",
-		Short: "Show indexer-network version",
-		RunE:  versionHandler,
-	}
+var versions = map[string]string{
+	"":        constants.Version,
+	"bitcoin": bitcoin.Version,
+	"runes":   runes.Version,
 }
 
-func versionHandler(cmd *cobra.Command, args []string) error {
-	// TODO: create constant package
-	fmt.Println("gaze-network v0.0.1")
+type versionCmdOptions struct {
+	Modules string
+}
+
+func NewVersionCommand() *cobra.Command {
+	opts := &versionCmdOptions{}
+
+	cmd := &cobra.Command{
+		Use:   "version",
+		Short: "Show indexer-network version",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return versionHandler(opts, cmd, args)
+		},
+	}
+
+	flags := cmd.Flags()
+	flags.StringVar(&opts.Modules, "module", "", `Show version of a specific module. E.g. "bitcoin" | "runes"`)
+
+	return cmd
+}
+
+func versionHandler(opts *versionCmdOptions, _ *cobra.Command, _ []string) error {
+	version, ok := versions[opts.Modules]
+	if !ok {
+		// fmt.Fprintln(cmd.ErrOrStderr(), "Unknown module")
+		return errors.Wrap(errs.Unsupported, "Invalid module name")
+	}
+	fmt.Println(version)
 	return nil
 }

core/constants/constants.go

@@ -0,0 +1,5 @@
+package constants
+
+const (
+	Version = "v0.0.1"
+)

modules/bitcoin/constants.go

@@ -0,0 +1,5 @@
+package bitcoin
+
+const (
+	Version = "v0.0.1"
+)

modules/runes/constants.go

@@ -0,0 +1,5 @@
+package runes
+
+const (
+	Version = "v0.0.1"
+)