1 files changed, 10 insertions, 2 deletions
diff --git a/src/txmempool.h b/src/txmempool.h
index 2163b5eb21..913501fd66 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -566,7 +566,15 @@ public:
     void ApplyDelta(const uint256 hash, CAmount &nFeeDelta) const;
     void ClearPrioritisation(const uint256 hash);
 
-public:
+    /** Get the transaction in the pool that spends the same prevout */
+    const CTransaction* GetConflictTx(const COutPoint& prevout) const EXCLUSIVE_LOCKS_REQUIRED(cs);
+
+    /** Returns an iterator to the given hash, if found */
+    boost::optional<txiter> GetIter(const uint256& txid) const EXCLUSIVE_LOCKS_REQUIRED(cs);
+
+    /** Translate a set of hashes into a set of pool iterators to avoid repeated lookups */
+    setEntries GetIterSet(const std::set<uint256>& hashes) const EXCLUSIVE_LOCKS_REQUIRED(cs);
+
     /** Remove a set of transactions from the mempool.
      *  If a transaction is in this set, then all in-mempool descendants must
      *  also be in the set, unless this transaction is being removed for being
@@ -639,7 +647,7 @@ public:
         return totalTxSize;
     }
 
-    bool exists(uint256 hash) const
+    bool exists(const uint256& hash) const
     {
         LOCK(cs);
         return (mapTx.count(hash) != 0);