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p2p: don't disconnect addnode peers for slow initial-headers-sync

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This commit is contained in:
Jon Atack 2025-03-12 20:10:46 -06:00
parent 3463a7f481
commit 64b956f422
1 changed files with 4 additions and 3 deletions
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7
src/net_processing.cpp
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@ -5826,17 +5826,18 @@ bool PeerManagerImpl::SendMessages(CNode* pto)
// Detect whether this is a stalling initial-headers-sync peer
if (m_chainman.m_best_header->Time() <= NodeClock::now() - 24h) {
if (current_time > peer->m_headers_sync_timeout && nSyncStarted == 1 && (m_num_preferred_download_peers - state.fPreferredDownload >= 1)) {
// Disconnect a peer (without NetPermissionFlags::NoBan permission) if it is our only sync peer,
// Disconnect a peer (if it is neither an addnode peer, nor has
// NetPermissionFlags::NoBan permission) if it is our only sync peer
// and we have others we could be using instead.
// Note: If all our peers are inbound, then we won't
// disconnect our sync peer for stalling; we have bigger
// problems if we can't get any outbound peers.
if (!pto->HasPermission(NetPermissionFlags::NoBan)) {
if (!pto->IsManualConn() && !pto->HasPermission(NetPermissionFlags::NoBan)) {
LogInfo("Timeout downloading headers, %s\n", pto->DisconnectMsg(fLogIPs));
pto->fDisconnect = true;
return true;
} else {
LogInfo("Timeout downloading headers from noban peer, not %s\n", pto->DisconnectMsg(fLogIPs));
LogInfo("Timeout downloading headers from %s peer, not %s\n", pto->IsManualConn() ? "addnode" : "noban", pto->DisconnectMsg(fLogIPs));
// Reset the headers sync state so that we have a
// chance to try downloading from a different peer.
// Note: this will also result in at least one more