assumeutxo, blockstorage: prevent core dump on invalid hash

Github-Pull: #28698 Rebased-from: 4a5be10
bitcoin · Oct 31, 2023 · b761a58 · b761a58
1 parent d3ebf6e
commit b761a58
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/node/blockstorage.cpp b/src/node/blockstorage.cpp
@@ -387,7 +387,12 @@ bool BlockManager::LoadBlockIndex(const std::optional<uint256>& snapshot_blockha
     }
 
     if (snapshot_blockhash) {
-        const AssumeutxoData au_data = *Assert(GetParams().AssumeutxoForBlockhash(*snapshot_blockhash));
+        const std::optional<AssumeutxoData> maybe_au_data = GetParams().AssumeutxoForBlockhash(*snapshot_blockhash);
+        if (!maybe_au_data) {
+            m_opts.notifications.fatalError(strprintf("Assumeutxo data not found for the given blockhash '%s'.", snapshot_blockhash->ToString()));
+            return false;
+        }
+        const AssumeutxoData& au_data = *Assert(maybe_au_data);
         m_snapshot_height = au_data.height;
         CBlockIndex* base{LookupBlockIndex(*snapshot_blockhash)};