From 957e9d8d05849c1f1cd32ab84075686cf6f54d77 Mon Sep 17 00:00:00 2001
From: Daniel Liu <139250065@qq.com>
Date: Wed, 2 Jul 2025 14:13:06 +0800
Subject: [PATCH] core/state: remove lock #18065 (#1174)

---
 core/state/statedb.go | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/core/state/statedb.go b/core/state/statedb.go
index ebd948137a..b2c40409a1 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -21,7 +21,6 @@ import (
 	"fmt"
 	"math/big"
 	"sort"
-	"sync"
 	"time"
 
 	"github.com/XinFinOrg/XDPoSChain/common"
@@ -82,8 +81,6 @@ type StateDB struct {
 	validRevisions []revision
 	nextRevisionId int
 
-	lock sync.Mutex
-
 	// Measurements gathered during execution for debugging purposes
 	AccountReads   time.Duration
 	AccountHashes  time.Duration
@@ -630,9 +627,6 @@ func (db *StateDB) ForEachStorage(addr common.Address, cb func(key, value common
 // Copy creates a deep, independent copy of the state.
 // Snapshots of the copied state cannot be applied to the copy.
 func (s *StateDB) Copy() *StateDB {
-	s.lock.Lock()
-	defer s.lock.Unlock()
-
 	// Copy all the basic fields, initialize the memory ones
 	state := &StateDB{
 		db:                  s.db,