bool CBlockPolicyEstimator::processBlockTx(unsigned int nBlockHeight, const CTxMemPoolEntry* entry)
{
if (!removeTx(entry->GetTx().GetHash(), true)) {
// This transaction wasn't being tracked for fee estimation
return false;
}
// How many blocks did it take for miners to include this transaction?
// blocksToConfirm is 1-based, so a transaction included in the earliest
// possible block has confirmation count of 1
int blocksToConfirm = nBlockHeight - entry->GetHeight();
if (blocksToConfirm <= 0) {
// This can't happen because we don't process transactions from a block with a height
// lower than our greatest seen height
LogPrint(BCLog::ESTIMATEFEE, "Blockpolicy error Transaction had negative blocksToConfirm\n");
return false;
}
// Feerates are stored and reported as DGB-per-kb:
CFeeRate feeRate(entry->GetFee(), entry->GetTxSize());
feeStats->Record(blocksToConfirm, (double)feeRate.GetFeePerK());
shortStats->Record(blocksToConfirm, (double)feeRate.GetFeePerK());
longStats->Record(blocksToConfirm, (double)feeRate.GetFeePerK());
return true;
}
void CBlockPolicyEstimator::FlushUnconfirmed(CTxMemPool& pool) {
int64_t startclear = GetTimeMicros();
std::vector<uint256> txids;
pool.queryHashes(txids);
LOCK(cs_feeEstimator);
for (auto& txid : txids) {
removeTx(txid, false);
}
int64_t endclear = GetTimeMicros();
LogPrint(BCLog::ESTIMATEFEE, "Recorded %u unconfirmed txs from mempool in %gs\n",txids.size(), (endclear - startclear)*0.000001);
}
void CBlockPolicyEstimator::FlushUnconfirmed() {
int64_t startclear = GetTimeMicros();
LOCK(cs_feeEstimator);
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", num_entries, (endclear - startclear)*0.000001);
}