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-rw-r--r--src/txmempool.cpp11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 032dfee3ea..2111367f75 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -754,11 +754,16 @@ void CTxMemPool::check(const CCoinsViewCache& active_coins_tip, int64_t spendhei
bool CTxMemPool::CompareDepthAndScore(const uint256& hasha, const uint256& hashb, bool wtxid)
{
+ /* Return `true` if hasha should be considered sooner than hashb. Namely when:
+ * a is not in the mempool, but b is
+ * both are in the mempool and a has fewer ancestors than b
+ * both are in the mempool and a has a higher score than b
+ */
LOCK(cs);
- indexed_transaction_set::const_iterator i = wtxid ? get_iter_from_wtxid(hasha) : mapTx.find(hasha);
- if (i == mapTx.end()) return false;
indexed_transaction_set::const_iterator j = wtxid ? get_iter_from_wtxid(hashb) : mapTx.find(hashb);
- if (j == mapTx.end()) return true;
+ if (j == mapTx.end()) return false;
+ indexed_transaction_set::const_iterator i = wtxid ? get_iter_from_wtxid(hasha) : mapTx.find(hasha);
+ if (i == mapTx.end()) return true;
uint64_t counta = i->GetCountWithAncestors();
uint64_t countb = j->GetCountWithAncestors();
if (counta == countb) {