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fee estimator: avoid sorting mempool on shutdown

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This commit is contained in:
Suhas Daftuar 2018-01-19 10:38:58 -05:00
parent 09754063e0
commit e868b22917
3 changed files with 9 additions and 8 deletions
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2
src/init.cpp
View File

@ -205,7 +205,7 @@ void Shutdown()
if (fFeeEstimatesInitialized)
{
::feeEstimator.FlushUnconfirmed(::mempool);
::feeEstimator.FlushUnconfirmed();
fs::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
CAutoFile est_fileout(fsbridge::fopen(est_path, "wb"), SER_DISK, CLIENT_VERSION);
if (!est_fileout.IsNull())

13
src/policy/fees.cpp
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@ -981,16 +981,17 @@ bool CBlockPolicyEstimator::Read(CAutoFile& filein)
return true;
}
void CBlockPolicyEstimator::FlushUnconfirmed(CTxMemPool& pool) {
void CBlockPolicyEstimator::FlushUnconfirmed() {
int64_t startclear = GetTimeMicros();
std::vector<uint256> txids;
pool.queryHashes(txids);
LOCK(cs_feeEstimator);
for (auto& txid : txids) {
removeTx(txid, false);
size_t num_entries = mapMemPoolTxs.size();
// Remove every entry in mapMemPoolTxs
while (!mapMemPoolTxs.empty()) {
auto mi = mapMemPoolTxs.begin();
removeTx(mi->first, false); // this calls erase() on mapMemPoolTxs
}
int64_t endclear = GetTimeMicros();
LogPrint(BCLog::ESTIMATEFEE, "Recorded %u unconfirmed txs from mempool in %gs\n",txids.size(), (endclear - startclear)*0.000001);
LogPrint(BCLog::ESTIMATEFEE, "Recorded %u unconfirmed txs from mempool in %gs\n", num_entries, (endclear - startclear)*0.000001);
}
FeeFilterRounder::FeeFilterRounder(const CFeeRate& minIncrementalFee)

2
src/policy/fees.h
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@ -223,7 +223,7 @@ public:
bool Read(CAutoFile& filein);
/** Empty mempool transactions on shutdown to record failure to confirm for txs still in mempool */
void FlushUnconfirmed(CTxMemPool& pool);
void FlushUnconfirmed();
/** Calculation of highest target that estimates are tracked for */
unsigned int HighestTargetTracked(FeeEstimateHorizon horizon) const;