From 5c7a92eb75248c4fdeb8865dbf66832766baa4b0 Mon Sep 17 00:00:00 2001
From: paladz <453256728@qq.com>
Date: Wed, 12 Sep 2018 14:27:35 +0800
Subject: [PATCH] fix bug for concurrent map access

---
 netsync/peer.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/netsync/peer.go b/netsync/peer.go
index dfb9c91c..cca69544 100644
--- a/netsync/peer.go
+++ b/netsync/peer.go
@@ -360,6 +360,9 @@ func (ps *peerSet) broadcastMinedBlock(block *types.Block) error {
 }
 
 func (ps *peerSet) broadcastNewStatus(bestBlock, genesisBlock *types.Block) error {
+	ps.mtx.RLock()
+	defer ps.mtx.RUnlock()
+
 	genesisHash := genesisBlock.Hash()
 	msg := NewStatusResponseMessage(&bestBlock.BlockHeader, &genesisHash)
 	for _, peer := range ps.peers {
-- 
2.11.0