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authorElle Mouton <elle.mouton@gmail.com>2020-10-20 20:09:55 +0200
committerElle Mouton <elle.mouton@gmail.com>2020-10-23 14:14:57 +0200
commit9d4b4b2c2c49774523de740d6492ee5b1ee15e74 (patch)
tree017771d3a7b54af87ceccc1003234f3b940f889d /src/txmempool.cpp
parent88271184e82222f556d67511cc64230b0532f40d (diff)
downloadbitcoin-9d4b4b2c2c49774523de740d6492ee5b1ee15e74.tar.xz
refactor: Avoid double to int cast for nCheckFrequency
Use a ratio instead of a frequency that requires a double to int cast for determining how often a mempool sanity check should run.
Diffstat (limited to 'src/txmempool.cpp')
-rw-r--r--src/txmempool.cpp10
1 files changed, 4 insertions, 6 deletions
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 0c2b731967..78af3bf833 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -339,7 +339,7 @@ CTxMemPool::CTxMemPool(CBlockPolicyEstimator* estimator)
// Sanity checks off by default for performance, because otherwise
// accepting transactions becomes O(N^2) where N is the number
// of transactions in the pool
- nCheckFrequency = 0;
+ m_check_ratio = 0;
}
bool CTxMemPool::isSpent(const COutPoint& outpoint) const
@@ -523,7 +523,7 @@ void CTxMemPool::removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMem
if (it2 != mapTx.end())
continue;
const Coin &coin = pcoins->AccessCoin(txin.prevout);
- if (nCheckFrequency != 0) assert(!coin.IsSpent());
+ if (m_check_ratio != 0) assert(!coin.IsSpent());
if (coin.IsSpent() || (coin.IsCoinBase() && ((signed long)nMemPoolHeight) - coin.nHeight < COINBASE_MATURITY)) {
txToRemove.insert(it);
break;
@@ -620,11 +620,9 @@ static void CheckInputsAndUpdateCoins(const CTransaction& tx, CCoinsViewCache& m
void CTxMemPool::check(const CCoinsViewCache *pcoins) const
{
LOCK(cs);
- if (nCheckFrequency == 0)
- return;
+ if (m_check_ratio == 0) return;
- if (GetRand(std::numeric_limits<uint32_t>::max()) >= nCheckFrequency)
- return;
+ if (GetRand(m_check_ratio) >= 1) return;
LogPrint(BCLog::MEMPOOL, "Checking mempool with %u transactions and %u inputs\n", (unsigned int)mapTx.size(), (unsigned int)mapNextTx.size());