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bitcoin
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Handle should-never-happen case of orphan in mempool

This commit is contained in:
Gavin Andresen 2012-07-26 15:29:59 -04:00
parent c555400ca1
commit e0e54740b1
1 changed files with 15 additions and 0 deletions
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15
src/main.cpp
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@ -3425,6 +3425,7 @@ CBlock* CreateNewBlock(CReserveKey& reservekey)
COrphan* porphan = NULL;
double dPriority = 0;
int64 nTotalIn = 0;
bool fMissingInputs = false;
BOOST_FOREACH(const CTxIn& txin, tx.vin)
{
// Read prev transaction
@ -3432,6 +3433,19 @@ CBlock* CreateNewBlock(CReserveKey& reservekey)
CTxIndex txindex;
if (!txPrev.ReadFromDisk(txdb, txin.prevout, txindex))
{
// This should never happen; all transactions in the memory
// pool should connect to either transactions in the chain
// or other transactions in the memory pool.
if (!mempool.mapTx.count(txin.prevout.hash))
{
printf("ERROR: mempool transaction missing input\n");
if (fDebug) assert("mempool transaction missing input" == 0);
fMissingInputs = true;
if (porphan)
vOrphan.pop_back();
break;
}
// Has to wait for dependencies
if (!porphan)
{
@ -3450,6 +3464,7 @@ CBlock* CreateNewBlock(CReserveKey& reservekey)
int nConf = txindex.GetDepthInMainChain();
dPriority += (double)nValueIn * nConf;
}
if (fMissingInputs) continue;
// Priority is sum(valuein * age) / txsize
unsigned int nTxSize = ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION);