From de3e0738f5a4435d5ad0e348981f63c7619bbdb2 Mon Sep 17 00:00:00 2001
From: lateminer <9951982+lateminer@users.noreply.github.com>
Date: Sun, 17 Nov 2024 21:21:01 +0100
Subject: [PATCH] index: Add temporary workaround to resolve txindex crash
 issue

---
 src/index/base.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/index/base.cpp b/src/index/base.cpp
index c6af96edd6..c4ba244bfe 100644
--- a/src/index/base.cpp
+++ b/src/index/base.cpp
@@ -107,7 +107,19 @@ bool BaseIndex::Init()
         // best chain, we will rewind to the fork point during index sync
         const CBlockIndex* locator_index{m_chainstate->m_blockman.LookupBlockIndex(locator.vHave.at(0))};
         if (!locator_index) {
-            return InitError(strprintf(Untranslated("%s: best block of the index not found. Please rebuild the index."), GetName()));
+            /*
+            // Blackcoin ToDo: that's a temporary workaround for issue https://github.com/CoinBlack/blackcoin-more/issues/22
+            // This addresses blockfilterindex and txindex crash issues but does not help to deal with the coinstatsindex crash
+            // A more robust solution should replace this in the future
+            */
+            // If we couldn't find a block index from the locator, use m_best_header as a fallback
+            const CBlockIndex* best_header = index_chain.Tip();
+            if (best_header) {
+                locator_index = best_header;
+                LogPrintf("%s: Using m_best_header as fallback, block hash: %s at height %d\n", GetName(), locator_index->GetBlockHash().ToString(), locator_index->nHeight);
+            } else {
+                return InitError(strprintf(Untranslated("%s: best block of the index not found. Please rebuild the index."), GetName()));
+            }
         }
         SetBestBlockIndex(locator_index);
     }