[rpc] add hmyv2_getConfig rpc

cmd/harmony/main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"encoding/json"
 	"fmt"
 	harmonyconfig "github.com/harmony-one/harmony/internal/configs/harmony"
 	rpc_common "github.com/harmony-one/harmony/rpc/common"
@@ -297,17 +296,6 @@ func setupNodeAndRun(hc harmonyconfig.HarmonyConfig) {
 		os.Exit(1)
 	}
 
-	if hc.Log.VerbosePrints["config"] {
-		if cfgJson, err := json.MarshalIndent(rpc_common.Config{
-			HarmonyConfig: hc,
-			NodeConfig:    *nodeConfig,
-		}, "", " "); err != nil {
-			panic(err)
-		} else {
-			println(string(cfgJson))
-		}
-	}
-
 	// Update ethereum compatible chain ids
 	params.UpdateEthChainIDByShard(nodeConfig.ShardID)
 
@@ -393,6 +381,14 @@ func setupNodeAndRun(hc harmonyconfig.HarmonyConfig) {
 
 	nodeconfig.SetPeerID(myHost.GetID())
 
+	if hc.Log.VerbosePrints["config"] {
+		utils.Logger().Info().Interface("config", rpc_common.Config{
+			HarmonyConfig: hc,
+			NodeConfig:    *nodeConfig,
+			ChainConfig:   *currentNode.Blockchain().Config(),
+		}).Msg("verbose prints config")
+	}
+
 	// Setup services
 	if hc.Sync.Enabled {
 		setupSyncService(currentNode, myHost, hc)

hmy/hmy.go

@@ -106,6 +106,7 @@ type NodeAPI interface {
 	GetConsensusPhase() string
 	GetConsensusViewChangingID() uint64
 	GetConsensusCurViewID() uint64
+	GetConfig() commonRPC.Config
 	ShutDown()
 }
 

node/api.go

@@ -142,3 +142,11 @@ func (node *Node) GetConsensusInternal() rpc_common.ConsensusInternal {
 		ConsensusTime: node.Consensus.GetFinality(),
 	}
 }
+
+func (node *Node) GetConfig() rpc_common.Config {
+	return rpc_common.Config{
+		HarmonyConfig: node.HarmonyConfig,
+		NodeConfig: *node.NodeConfig,
+		ChainConfig: node.chainConfig,
+	}
+}

node/node.go

@@ -3,6 +3,7 @@ package node
 import (
 	"context"
 	"fmt"
+	"github.com/harmony-one/harmony/internal/configs/harmony"
 	"math/big"
 	"os"
 	"strings"
@@ -105,6 +106,7 @@ type Node struct {
 	ContractAddresses            []common.Address
 	// Channel to notify consensus service to really start consensus
 	startConsensus chan struct{}
+	HarmonyConfig harmony.HarmonyConfig
 	// node configuration, including group ID, shard ID, etc
 	NodeConfig *nodeconfig.ConfigType
 	// Chain configuration.

rpc/common/types.go

@@ -86,4 +86,5 @@ type NodePeerInfo struct {
 type Config struct {
 	HarmonyConfig harmonyconfig.HarmonyConfig
 	NodeConfig nodeconfig.ConfigType
+	ChainConfig params.ChainConfig
 }

rpc/debug.go

@@ -2,6 +2,7 @@ package rpc
 
 import (
 	"context"
+	commonRPC "github.com/harmony-one/harmony/rpc/common"
 
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/rpc"
@@ -64,3 +65,10 @@ func (s *PrivateDebugService) GetConsensusPhase(
 ) string {
 	return s.hmy.NodeAPI.GetConsensusPhase()
 }
+
+// GetConfig get harmony config
+func (s *PrivateDebugService) GetConfig(
+	ctx context.Context,
+) commonRPC.Config {
+	return s.hmy.NodeAPI.GetConfig()
+}