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net_processing: only process orphans before messages

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Previously, when we processed a new tx we would attempt to ATMP any
orphans that considered the new tx a parent immediately, but would only
accept at most one such tx, leaving any others to be considered on a
future run of ProcessMessages(). With this patch, we don't attempt any
orphan processing immediately after receiving a tx, instead deferring
all of them until the next call to ProcessMessages().
This commit is contained in:
Anthony Towns 2021-04-22 19:24:27 +10:00
parent be2304676b
commit c583775706
1 changed files with 3 additions and 10 deletions
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13
src/net_processing.cpp
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@ -591,7 +591,7 @@ private:
* @return True if there are still orphans in this peer's work set.
*/
bool ProcessOrphanTx(Peer& peer)
EXCLUSIVE_LOCKS_REQUIRED(!m_peer_mutex, g_msgproc_mutex, cs_main);
EXCLUSIVE_LOCKS_REQUIRED(!m_peer_mutex, g_msgproc_mutex);
/** Process a single headers message from a peer.
*
* @param[in] pfrom CNode of the peer
@ -2889,7 +2889,7 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, Peer& peer,
bool PeerManagerImpl::ProcessOrphanTx(Peer& peer)
{
AssertLockHeld(g_msgproc_mutex);
AssertLockHeld(cs_main);
LOCK(cs_main);
CTransactionRef porphanTx = nullptr;
bool more = false;
@ -4041,9 +4041,6 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
for (const CTransactionRef& removedTx : result.m_replaced_transactions.value()) {
AddToCompactExtraTransactions(removedTx);
}
// Recursively process any orphan transactions that depended on this one
ProcessOrphanTx(*peer);
}
else if (state.GetResult() == TxValidationResult::TX_MISSING_INPUTS)
{
@ -4852,11 +4849,7 @@ bool PeerManagerImpl::ProcessMessages(CNode* pfrom, std::atomic<bool>& interrupt
}
}
bool has_more_orphans;
{
LOCK(cs_main);
has_more_orphans = ProcessOrphanTx(*peer);
}
const bool has_more_orphans = ProcessOrphanTx(*peer);
if (pfrom->fDisconnect)
return false;