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[net processing] Handle IsContinuationOfLowWorkHeadersSync return value correctly when new headers sync is started

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This commit is contained in:
dergoegge 2022-10-20 17:55:44 +01:00
parent fabc031048
commit 7ad15d1100
1 changed files with 12 additions and 4 deletions
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16
src/net_processing.cpp
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@ -2565,14 +2565,22 @@ bool PeerManagerImpl::TryLowWorkHeadersSync(Peer& peer, CNode& pfrom, const CBlo
// Now a HeadersSyncState object for tracking this synchronization is created,
// process the headers using it as normal.
return IsContinuationOfLowWorkHeadersSync(peer, pfrom, headers);
if (!IsContinuationOfLowWorkHeadersSync(peer, pfrom, headers)) {
// Something went wrong, reset the headers sync.
peer.m_headers_sync.reset(nullptr);
LOCK(m_headers_presync_mutex);
m_headers_presync_stats.erase(peer.m_id);
}
} else {
LogPrint(BCLog::NET, "Ignoring low-work chain (height=%u) from peer=%d\n", chain_start_header->nHeight + headers.size(), pfrom.GetId());
// Since this is a low-work headers chain, no further processing is required.
headers = {};
return true;
}
// The peer has not yet given us a chain that meets our work threshold,
// so we want to prevent further processing of the headers in any case.
headers = {};
return true;
}
return false;
}