[cmd] fix config persist

cmd/harmony/main.go

@@ -382,7 +382,7 @@ func setupNodeAndRun(hc harmonyconfig.HarmonyConfig) {
 
 	nodeconfig.SetPeerID(myHost.GetID())
 
-	if hc.Log.VerbosePrints["config"] {
+	if val, ok := hc.Log.VerbosePrints["config"]; ok && val {
 		utils.Logger().Info().Interface("config", rpc_common.Config{
 			HarmonyConfig: hc,
 			NodeConfig:    *nodeConfig,

internal/configs/harmony/harmony.go

@@ -90,8 +90,8 @@ type LogConfig struct {
 	FileName      string
 	RotateSize    int
 	Verbosity     int
-	VerbosePrints map[string]bool
-	Context       *LogContext `toml:",omitempty"`
+	VerbosePrints map[string]bool `toml:",omitempty"`
+	Context       *LogContext     `toml:",omitempty"`
 }
 
 type LogContext struct {

rpc/debug.go

@@ -3,8 +3,6 @@ package rpc
 import (
 	"context"
 
-	commonRPC "github.com/harmony-one/harmony/rpc/common"
-
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/harmony-one/harmony/hmy"
@@ -70,6 +68,6 @@ func (s *PrivateDebugService) GetConsensusPhase(
 // GetConfig get harmony config
 func (s *PrivateDebugService) GetConfig(
 	ctx context.Context,
-) commonRPC.Config {
-	return s.hmy.NodeAPI.GetConfig()
+) (StructuredResponse, error) {
+	return NewStructuredResponse(s.hmy.NodeAPI.GetConfig())
 }