1 files changed, 15 insertions, 0 deletions
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 52c7793118..3aba578fac 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -752,6 +752,21 @@ void CTxMemPool::check(const CCoinsViewCache *pcoins) const
     assert(innerUsage == cachedInnerUsage);
 }
 
+bool CTxMemPool::CompareDepthAndScore(const uint256& hasha, const uint256& hashb)
+{
+    LOCK(cs);
+    indexed_transaction_set::const_iterator i = mapTx.find(hasha);
+    if (i == mapTx.end()) return false;
+    indexed_transaction_set::const_iterator j = mapTx.find(hashb);
+    if (j == mapTx.end()) return true;
+    uint64_t counta = i->GetCountWithAncestors();
+    uint64_t countb = j->GetCountWithAncestors();
+    if (counta == countb) {
+        return CompareTxMemPoolEntryByScore()(*i, *j);
+    }
+    return counta < countb;
+}
+
 void CTxMemPool::queryHashes(vector<uint256>& vtxid)
 {
     vtxid.clear();