From 5e4af773809415b71a10e3120cc44854d61c4c19 Mon Sep 17 00:00:00 2001
From: Carl Dong <contact@carldong.me>
Date: Tue, 6 Oct 2020 16:13:36 -0400
Subject: [PATCH] validation: Use existing chain member in
 CChainState::AcceptBlock

---
 src/validation.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/validation.cpp b/src/validation.cpp
index dcb88294eaf..b40e1f53b93 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -3787,8 +3787,9 @@ bool CChainState::AcceptBlock(const std::shared_ptr<const CBlock>& pblock, Block
 
     // Write block to history file
     if (fNewBlock) *fNewBlock = true;
+    assert(std::addressof(::ChainActive()) == std::addressof(m_chain));
     try {
-        FlatFilePos blockPos = SaveBlockToDisk(block, pindex->nHeight, ::ChainActive(), chainparams, dbp);
+        FlatFilePos blockPos = SaveBlockToDisk(block, pindex->nHeight, m_chain, chainparams, dbp);
         if (blockPos.IsNull()) {
             state.Error(strprintf("%s: Failed to find position to write new block to disk", __func__));
             return false;