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Use vTxHashes to optimize InitData significantly

This commit is contained in:
Matt Corallo 2016-06-19 01:31:52 -07:00
parent 811902649d
commit 0d4cb48ef1
1 changed files with 5 additions and 3 deletions
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8
src/blockencodings.cpp
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@ -99,11 +99,13 @@ ReadStatus PartiallyDownloadedBlock::InitData(const CBlockHeaderAndShortTxIDs& c
std::vector<bool> have_txn(txn_available.size()); std::vector<bool> have_txn(txn_available.size());
LOCK(pool->cs); LOCK(pool->cs);
for (CTxMemPool::txiter it = pool->mapTx.begin(); it != pool->mapTx.end(); it++) { const std::vector<std::pair<uint256, CTxMemPool::txiter> >& vTxHashes = pool->vTxHashes;
std::unordered_map<uint64_t, uint16_t>::iterator idit = shorttxids.find(cmpctblock.GetShortID(it->GetTx().GetHash())); for (size_t i = 0; i < vTxHashes.size(); i++) {
uint64_t shortid = cmpctblock.GetShortID(vTxHashes[i].first);
std::unordered_map<uint64_t, uint16_t>::iterator idit = shorttxids.find(shortid);
if (idit != shorttxids.end()) { if (idit != shorttxids.end()) {
if (!have_txn[idit->second]) { if (!have_txn[idit->second]) {
txn_available[idit->second] = it->GetSharedTx(); txn_available[idit->second] = vTxHashes[i].second->GetSharedTx();
have_txn[idit->second] = true; have_txn[idit->second] = true;
mempool_count++; mempool_count++;
} else { } else {