1 files changed, 16 insertions, 0 deletions
diff --git a/src/txmempool.h b/src/txmempool.h
index ae4b16d377..76ca83c25c 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -585,6 +585,22 @@ private:
      */
     std::set<uint256> m_unbroadcast_txids GUARDED_BY(cs);
 
+
+    /**
+     * Helper function to populate setAncestors with all the ancestors of entry and apply ancestor
+     * and descendant limits.
+     * param@[out]  setAncestors        Will be populated with all mempool ancestors of entry.
+     * param@[in]   staged_ancestors    Should contain mempool parents of entry.
+     */
+    bool CalculateAncestorsAndCheckLimits(const CTxMemPoolEntry& entry,
+                                          setEntries& setAncestors,
+                                          CTxMemPoolEntry::Parents &staged_ancestors,
+                                          uint64_t limitAncestorCount,
+                                          uint64_t limitAncestorSize,
+                                          uint64_t limitDescendantCount,
+                                          uint64_t limitDescendantSize,
+                                          std::string &errString) const EXCLUSIVE_LOCKS_REQUIRED(cs);
+
 public:
     indirectmap<COutPoint, const CTransaction*> mapNextTx GUARDED_BY(cs);
     std::map<uint256, CAmount> mapDeltas GUARDED_BY(cs);