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txorphanage: Extract EraseOrphansForBlock

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Extract code that erases orphans when a new block is found into
EraseOrphansForBlock.
This commit is contained in:
Anthony Towns 2021-01-31 23:37:41 +10:00
parent 3c4c3c2fdd
commit 03257b832d
3 changed files with 35 additions and 30 deletions
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32
src/net_processing.cpp
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@ -1261,37 +1261,9 @@ PeerManagerImpl::PeerManagerImpl(const CChainParams& chainparams, CConnman& conn
*/
void PeerManagerImpl::BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindex)
{
{
LOCK(g_cs_orphans);
EraseOrphansForBlock(*pblock);
m_last_tip_update = GetTime();
std::vector<uint256> vOrphanErase;
for (const CTransactionRef& ptx : pblock->vtx) {
const CTransaction& tx = *ptx;
// Which orphan pool entries must we evict?
for (const auto& txin : tx.vin) {
auto itByPrev = mapOrphanTransactionsByPrev.find(txin.prevout);
if (itByPrev == mapOrphanTransactionsByPrev.end()) continue;
for (auto mi = itByPrev->second.begin(); mi != itByPrev->second.end(); ++mi) {
const CTransaction& orphanTx = *(*mi)->second.tx;
const uint256& orphanHash = orphanTx.GetHash();
vOrphanErase.push_back(orphanHash);
}
}
}
// Erase orphan transactions included or precluded by this block
if (vOrphanErase.size()) {
int nErased = 0;
for (const uint256& orphanHash : vOrphanErase) {
nErased += EraseOrphanTx(orphanHash);
}
LogPrint(BCLog::MEMPOOL, "Erased %d orphan tx included or conflicted by block\n", nErased);
}
m_last_tip_update = GetTime();
}
{
LOCK(m_recent_confirmed_transactions_mutex);
for (const auto& ptx : pblock->vtx) {