From 9fe7a51efafddd82f8dd55af687f163045153453 Mon Sep 17 00:00:00 2001
From: Peter Chung <touhonoob@gmail.com>
Date: Sun, 6 Jun 2021 01:29:08 +0800
Subject: [PATCH] [rpc] add hmyv2_getConfig rpc

---
 cmd/harmony/main.go | 20 ++++++++------------
 hmy/hmy.go          |  1 +
 node/api.go         |  8 ++++++++
 node/node.go        |  2 ++
 rpc/common/types.go |  1 +
 rpc/debug.go        |  8 ++++++++
 6 files changed, 28 insertions(+), 12 deletions(-)

diff --git a/cmd/harmony/main.go b/cmd/harmony/main.go
index 9918b1fcc..40055a081 100644
--- a/cmd/harmony/main.go
+++ b/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)
diff --git a/hmy/hmy.go b/hmy/hmy.go
index d62955520..a88cfe608 100644
--- a/hmy/hmy.go
+++ b/hmy/hmy.go
@@ -106,6 +106,7 @@ type NodeAPI interface {
 	GetConsensusPhase() string
 	GetConsensusViewChangingID() uint64
 	GetConsensusCurViewID() uint64
+	GetConfig() commonRPC.Config
 	ShutDown()
 }
 
diff --git a/node/api.go b/node/api.go
index 5c677bfa1..47311ac24 100644
--- a/node/api.go
+++ b/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,
+	}
+}
\ No newline at end of file
diff --git a/node/node.go b/node/node.go
index 5f1ff452c..a36a79cd3 100644
--- a/node/node.go
+++ b/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.
diff --git a/rpc/common/types.go b/rpc/common/types.go
index 78f08c9c0..bd39873d0 100644
--- a/rpc/common/types.go
+++ b/rpc/common/types.go
@@ -86,4 +86,5 @@ type NodePeerInfo struct {
 type Config struct {
 	HarmonyConfig harmonyconfig.HarmonyConfig
 	NodeConfig nodeconfig.ConfigType
+	ChainConfig params.ChainConfig
 }
\ No newline at end of file
diff --git a/rpc/debug.go b/rpc/debug.go
index 9d05a113e..5c199de1c 100644
--- a/rpc/debug.go
+++ b/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()
+}