Index: Use prune locks for blockfilterindex

Prior to this change blocks could be pruned up to the last block before the blockfilterindex current best block.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/index/blockfilterindex.h b/src/index/blockfilterindex.h
index a049019c02..b1836fe12f 100644
--- a/src/index/blockfilterindex.h
+++ b/src/index/blockfilterindex.h
@@ -38,6 +38,8 @@ private:
     /** cache of block hash to filter header, to avoid disk access when responding to getcfcheckpt. */
     std::unordered_map<uint256, uint256, FilterHeaderHasher> m_headers_cache GUARDED_BY(m_cs_headers_cache);
 
+    bool AllowPrune() const override { return true; }
+
 protected:
     bool Init() override;