From 01117acbcc2c301b15b3b446da392bb81a427818 Mon Sep 17 00:00:00 2001
From: Evgeny Danienko <6655321@bk.ru>
Date: Thu, 19 May 2022 14:41:49 +0300
Subject: [PATCH] fmt

---
 eth/downloader/whitelist/service.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/eth/downloader/whitelist/service.go b/eth/downloader/whitelist/service.go
index 4e23c4095b..2ddad0e5ab 100644
--- a/eth/downloader/whitelist/service.go
+++ b/eth/downloader/whitelist/service.go
@@ -12,7 +12,7 @@ import (
 
 // Checkpoint whitelist
 type Service struct {
-	m                   sync.RWMutex
+	m                   sync.Mutex
 	checkpointWhitelist map[uint64]common.Hash // Checkpoint whitelist, populated by reaching out to heimdall
 	checkpointOrder     []uint64               // Checkpoint order, populated by reaching out to heimdall
 	maxCapacity         uint
@@ -54,6 +54,7 @@ func (w *Service) IsValidChain(remoteHeader *types.Header, fetchHeadersByNumber
 	if err != nil {
 		return false, fmt.Errorf("%w: last checkpoint %d, err %v", ErrNoRemoteCheckoint, lastCheckpointBlockNum, err)
 	}
+
 	if len(headers) == 0 {
 		return true, fmt.Errorf("%w: last checkpoint %d", ErrNoRemoteCheckoint, lastCheckpointBlockNum)
 	}