From b6d565cd5a77f910f7f9eb6bd33162527826bda9 Mon Sep 17 00:00:00 2001
From: UdjinM6 <UdjinM6@users.noreply.github.com>
Date: Mon, 21 Oct 2019 16:49:03 +0300
Subject: [PATCH] Actually update spent index on DisconnectBlock

Fixes #3166
---
 src/validation.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/validation.cpp b/src/validation.cpp
index 298ebbc6e7fa..bdb9f40b61c1 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1647,6 +1647,13 @@ static DisconnectResult DisconnectBlock(const CBlock& block, const CBlockIndex*
     // move best block pointer to prevout block
     view.SetBestBlock(pindex->pprev->GetBlockHash());
 
+    if (fSpentIndex) {
+        if (!pblocktree->UpdateSpentIndex(spentIndex)) {
+            AbortNode("Failed to delete spent index");
+            return DISCONNECT_FAILED;
+        }
+    }
+
     if (fAddressIndex) {
         if (!pblocktree->EraseAddressIndex(addressIndex)) {
             AbortNode("Failed to delete address index");