From 79eccb632caf2c085ae470d442d88aa91e814821 Mon Sep 17 00:00:00 2001
From: backpacker69 <backpacker69@protonmail.com>
Date: Fri, 1 Sep 2023 13:33:09 +1000
Subject: [PATCH] wallet, pos: Add lock of cs_wallet
 https://github.com/peercoin/peercoin/commit/2e71fa9608d2a06ff396cba26bb09484827c09fa

---
 src/node/miner.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/node/miner.cpp b/src/node/miner.cpp
index c1292149ef..3fc76d201d 100644
--- a/src/node/miner.cpp
+++ b/src/node/miner.cpp
@@ -767,7 +767,7 @@ void static ThreadStakeMiner(std::shared_ptr<CWallet> pwallet, NodeContext& m_no
 // peercoin: stake minter
 void MinePoS(bool fGenerate, std::shared_ptr<CWallet> pwallet, NodeContext& m_node)
 {
-    if (!pwallet->GetKeyPoolSize()) {
+    if (!WITH_LOCK(pwallet->cs_wallet, return pwallet->GetKeyPoolSize())) {
         LogPrintf("Error: Keypool is empty, please make sure the wallet contains keys and call keypoolrefill before restarting the mining thread\n");
         fEnableStaking = false;
         return;