From 0b2294a980319cbffa8612ce993e0ecaa26fa509 Mon Sep 17 00:00:00 2001
From: Gregory Sanders <gsanders87@gmail.com>
Date: Fri, 2 Dec 2016 15:29:20 -0500
Subject: SelectCoinsMinConf: Prefer coins with fewer ancestors

---
 src/txmempool.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/txmempool.cpp')

diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 417a88cbef..f87713006a 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -1142,3 +1142,10 @@ void CTxMemPool::TrimToSize(size_t sizelimit, std::vector<uint256>* pvNoSpendsRe
     if (maxFeeRateRemoved > CFeeRate(0))
         LogPrint("mempool", "Removed %u txn, rolling minimum fee bumped to %s\n", nTxnRemoved, maxFeeRateRemoved.ToString());
 }
+
+bool CTxMemPool::TransactionWithinChainLimit(const uint256& txid, size_t chainLimit) const {
+    LOCK(cs);
+    if (exists(txid) && std::max(mapTx.find(txid)->GetCountWithAncestors(), mapTx.find(txid)->GetCountWithDescendants()) >= chainLimit)
+        return false;
+    return true;
+}
-- 
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