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Avoid repeated lookups in mapOrphanTransactions and mapOrphanTransactionsByPrev

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Rebased-From: 89d91f6
Rebased-By: Wladimir J. van der Laan <laanwj@gmail.com>
This commit is contained in:
Wladimir J. van der Laan 2014-09-08 17:37:26 +02:00 committed by Ross Nicoll
parent 720b7eb818
commit 5819a76d39
1 changed files with 13 additions and 10 deletions
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23
src/main.cpp
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@ -443,16 +443,17 @@ bool AddOrphanTx(const CTransaction& tx)
void static EraseOrphanTx(uint256 hash)
{
if (!mapOrphanTransactions.count(hash))
map<uint256, CTransaction>::iterator it = mapOrphanTransactions.find(hash);
if (it == mapOrphanTransactions.end())
return;
const CTransaction& tx = mapOrphanTransactions[hash];
BOOST_FOREACH(const CTxIn& txin, tx.vin)
BOOST_FOREACH(const CTxIn& txin, it->second.vin)
{
mapOrphanTransactionsByPrev[txin.prevout.hash].erase(hash);
if (mapOrphanTransactionsByPrev[txin.prevout.hash].empty())
mapOrphanTransactionsByPrev.erase(txin.prevout.hash);
map<uint256, set<uint256> >::iterator itPrev = mapOrphanTransactionsByPrev.find(txin.prevout.hash);
itPrev->second.erase(hash);
if (itPrev->second.empty())
mapOrphanTransactionsByPrev.erase(itPrev);
}
mapOrphanTransactions.erase(hash);
mapOrphanTransactions.erase(it);
}
unsigned int LimitOrphanTxSize(unsigned int nMaxOrphans)
@ -4077,9 +4078,11 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
// Recursively process any orphan transactions that depended on this one
for (unsigned int i = 0; i < vWorkQueue.size(); i++)
{
uint256 hashPrev = vWorkQueue[i];
for (set<uint256>::iterator mi = mapOrphanTransactionsByPrev[hashPrev].begin();
mi != mapOrphanTransactionsByPrev[hashPrev].end();
map<uint256, set<uint256> >::iterator itByPrev = mapOrphanTransactionsByPrev.find(vWorkQueue[i]);
if (itByPrev == mapOrphanTransactionsByPrev.end())
continue;
for (set<uint256>::iterator mi = itByPrev->second.begin();
mi != itByPrev->second.end();
++mi)
{
const uint256& orphanHash = *mi;