maxmustermann/dogecoin
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Merge pull request #491 from gavinandresen/manytxfix

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Optimize database writes for transactions with lots of TxIns.
This commit is contained in:
Gavin Andresen 2011-09-06 10:47:27 -07:00
parent dc0c768760 e077cce617
commit e4626e94f4
1 changed files with 12 additions and 12 deletions
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24
src/main.cpp
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@ -813,7 +813,7 @@ bool CTransaction::ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPoo
// Read txindex
CTxIndex txindex;
bool fFound = true;
if (fMiner && mapTestPool.count(prevout.hash))
if ((fBlock || fMiner) && mapTestPool.count(prevout.hash))
{
// Get txindex from current proposed changes
txindex = mapTestPool[prevout.hash];
@ -873,12 +873,7 @@ bool CTransaction::ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPoo
txindex.vSpent[prevout.n] = posThisTx;
// Write back
if (fBlock)
{
if (!txdb.UpdateTxIndex(prevout.hash, txindex))
return error("ConnectInputs() : UpdateTxIndex failed");
}
else if (fMiner)
if (fBlock || fMiner)
{
mapTestPool[prevout.hash] = txindex;
}
@ -900,9 +895,8 @@ bool CTransaction::ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPoo
if (fBlock)
{
// Add transaction to disk index
if (!txdb.AddTxIndex(*this, posThisTx, pindexBlock->nHeight))
return error("ConnectInputs() : AddTxPos failed");
// Add transaction to changes
mapTestPool[GetHash()] = CTxIndex(posThisTx, vout.size());
}
else if (fMiner)
{
@ -991,16 +985,22 @@ bool CBlock::ConnectBlock(CTxDB& txdb, CBlockIndex* pindex)
//// issue here: it doesn't know the version
unsigned int nTxPos = pindex->nBlockPos + ::GetSerializeSize(CBlock(), SER_DISK) - 1 + GetSizeOfCompactSize(vtx.size());
map<uint256, CTxIndex> mapUnused;
map<uint256, CTxIndex> mapQueuedChanges;
int64 nFees = 0;
BOOST_FOREACH(CTransaction& tx, vtx)
{
CDiskTxPos posThisTx(pindex->nFile, pindex->nBlockPos, nTxPos);
nTxPos += ::GetSerializeSize(tx, SER_DISK);
if (!tx.ConnectInputs(txdb, mapUnused, posThisTx, pindex, nFees, true, false))
if (!tx.ConnectInputs(txdb, mapQueuedChanges, posThisTx, pindex, nFees, true, false))
return false;
}
// Write queued txindex changes
for (map<uint256, CTxIndex>::iterator mi = mapQueuedChanges.begin(); mi != mapQueuedChanges.end(); ++mi)
{
if (!txdb.UpdateTxIndex((*mi).first, (*mi).second))
return error("ConnectBlock() : UpdateTxIndex failed");
}
if (vtx[0].GetValueOut() > GetBlockValue(pindex->nHeight, nFees))
return false;