From 9cd7b9ce29250595fb63356bc3919742fbd7a1ce Mon Sep 17 00:00:00 2001
From: jongwhan lee <jonghwan@crypto.com>
Date: Tue, 27 Jul 2021 16:13:05 +0900
Subject: [PATCH] fix eth log override

remove redundant log

tidy up
---
 log/handler.go  | 70 +++++++++----------------------------------------
 server/start.go |  1 -
 2 files changed, 12 insertions(+), 59 deletions(-)

diff --git a/log/handler.go b/log/handler.go
index 900b099555..658170b026 100644
--- a/log/handler.go
+++ b/log/handler.go
@@ -1,76 +1,30 @@
 package log
 
 import (
-	"github.com/rs/zerolog"
+	"fmt"
 
-	"github.com/cosmos/cosmos-sdk/server"
 	ethlog "github.com/ethereum/go-ethereum/log"
 	tmlog "github.com/tendermint/tendermint/libs/log"
 )
 
-var _ ethlog.Handler = &Handler{}
+var ethermintLogger *tmlog.Logger = nil
 
-// Logger wraps the zero log Wrapper and extends it to support the ethereum logger interface.
-type Handler struct {
-	*server.ZeroLogWrapper
+func FuncHandler(fn func(r *ethlog.Record) error) ethlog.Handler {
+	return funcHandler(fn)
 }
 
-func NewHandler(logger tmlog.Logger) ethlog.Handler {
-	zerologger, ok := logger.(*server.ZeroLogWrapper)
-	if !ok {
-		// default to Stdout if not an SDK logger wrapper
-		return ethlog.StdoutHandler
-	}
+type funcHandler func(r *ethlog.Record) error
 
-	return &Handler{
-		ZeroLogWrapper: zerologger,
-	}
+func (h funcHandler) Log(r *ethlog.Record) error {
+	return h(r)
 }
 
-// Log implements the go-ethereum Logger Handler interface
-func (h *Handler) Log(r *ethlog.Record) error {
-	lvl := EthLogLvlToZerolog(r.Lvl)
-
-	h.ZeroLogWrapper.
-		WithLevel(lvl).
-		Fields(getLogFields(r.Ctx...)).
-		Time(r.KeyNames.Time, r.Time).
-		Msg(r.Msg)
-	return nil
-}
-
-func EthLogLvlToZerolog(lvl ethlog.Lvl) zerolog.Level {
-	var level zerolog.Level
-
-	switch lvl {
-	case ethlog.LvlCrit:
-		level = zerolog.FatalLevel
-	case ethlog.LvlDebug:
-		level = zerolog.DebugLevel
-	case ethlog.LvlError:
-		level = zerolog.ErrorLevel
-	case ethlog.LvlInfo:
-		level = zerolog.InfoLevel
-	case ethlog.LvlTrace:
-		level = zerolog.TraceLevel
-	case ethlog.LvlWarn:
-		level = zerolog.WarnLevel
-	default:
-		level = zerolog.NoLevel
-	}
+func NewHandler(logger tmlog.Logger) ethlog.Handler {
 
-	return level
-}
+	ethermintLogger = &logger
 
-func getLogFields(keyVals ...interface{}) map[string]interface{} {
-	if len(keyVals)%2 != 0 {
+	return FuncHandler(func(r *ethlog.Record) error {
+		(*ethermintLogger).Debug(fmt.Sprintf("[EVM] %v", r))
 		return nil
-	}
-
-	fields := make(map[string]interface{})
-	for i := 0; i < len(keyVals); i += 2 {
-		fields[keyVals[i].(string)] = keyVals[i+1]
-	}
-
-	return fields
+	})
 }
diff --git a/server/start.go b/server/start.go
index 26d678c9d1..e17d40818a 100644
--- a/server/start.go
+++ b/server/start.go
@@ -40,7 +40,6 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
 	ethlog "github.com/ethereum/go-ethereum/log"
-
 	ethdebug "github.com/tharsis/ethermint/ethereum/rpc/namespaces/debug"
 	"github.com/tharsis/ethermint/log"
 	"github.com/tharsis/ethermint/server/config"