From 98b2d2057c9c88cef3551efe8654692a121315d2 Mon Sep 17 00:00:00 2001
From: SChernykh <sergey.v.chernykh@gmail.com>
Date: Mon, 24 Apr 2023 20:23:45 +0200
Subject: [PATCH] SideChain: fixed data race

---
 src/side_chain.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/side_chain.cpp b/src/side_chain.cpp
index 551dc01..b461b85 100644
--- a/src/side_chain.cpp
+++ b/src/side_chain.cpp
@@ -1123,6 +1123,8 @@ uint64_t SideChain::bottom_height(const PoolBlock* tip) const
 	uint64_t bottom_height;
 	std::vector<MinerShare> shares;
 
+	ReadLock lock(m_sidechainLock);
+
 	if (!get_shares(tip, shares, &bottom_height, true)) {
 		return 0;
 	}