CLI command to save default config in a file

app/client/cli/config.go

@@ -0,0 +1,19 @@
+package cli
+
+import (
+	"github.com/pokt-network/pocket/runtime/configs"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(saveDefaultConf)
+}
+
+var saveDefaultConf = &cobra.Command{
+	Use:   "save_default_config",
+	Short: "Save the default config in a file",
+	Long:  "The default config generated during application start is saved in a config file path passed in the argument",
+	Run: func(cmd *cobra.Command, args []string) {
+		configs.SaveConfig(args[0])
+	},
+}

app/client/doc/CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.0.0.37] - 2023-08-19
+
+- Add cli to generate the default config and save it to a file.
+
 ## [0.0.0.36] - 2023-06-19
 
 - Add a new trustless relay sub-command to servicer command

runtime/configs/config.go

@@ -2,8 +2,10 @@ package configs
 
 import (
 	"encoding/json"
+	"fmt"
 	"log"
 	"os"
+	"path/filepath"
 	"strings"
 
 	"github.com/mitchellh/mapstructure"
@@ -243,3 +245,18 @@ func defaultServicerConfig() *ServicerConfig {
 		},
 	}
 }
+
+func SaveConfig(path string) {
+	filePath, err := filepath.Abs(path)
+	if err != nil {
+		log.Fatalf("[ERROR] failed to resolve config path, %s", err.Error())
+	}
+
+	NewDefaultConfig()
+	err = viper.WriteConfigAs(filePath)
+	if err != nil {
+		log.Fatalf("[ERROR] failed to write config to file, error: %s", err.Error())
+	}
+
+	fmt.Printf("save_default_config: saved default config at %v", filePath)
+}