1 files changed, 8 insertions, 3 deletions
diff --git a/src/node/blockstorage.h b/src/node/blockstorage.h
index a89fa7f76e..9a1d44cc75 100644
--- a/src/node/blockstorage.h
+++ b/src/node/blockstorage.h
@@ -119,9 +119,14 @@ private:
      */
     bool LoadBlockIndex()
         EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-    void FlushBlockFile(bool fFinalize = false, bool finalize_undo = false);
-    void FlushUndoFile(int block_file, bool finalize = false);
-    bool FindBlockPos(FlatFilePos& pos, unsigned int nAddSize, unsigned int nHeight, uint64_t nTime, bool fKnown);
+
+    /** Return false if block file or undo file flushing fails. */
+    [[nodiscard]] bool FlushBlockFile(bool fFinalize = false, bool finalize_undo = false);
+
+    /** Return false if undo file flushing fails. */
+    [[nodiscard]] bool FlushUndoFile(int block_file, bool finalize = false);
+
+    [[nodiscard]] bool FindBlockPos(FlatFilePos& pos, unsigned int nAddSize, unsigned int nHeight, uint64_t nTime, bool fKnown);
     bool FindUndoPos(BlockValidationState& state, int nFile, FlatFilePos& pos, unsigned int nAddSize);
 
     FlatFileSeq BlockFileSeq() const;