diff options
| -rw-r--r-- | src/net_processing.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp index 5c3ec5f700..2c91b5cf0f 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -1397,6 +1397,15 @@ void PeerManagerImpl::FindNextBlocksToDownload(const Peer& peer, unsigned int co return; } + // When we sync with AssumeUtxo and discover the snapshot is not in the peer's best chain, abort: + // We can't reorg to this chain due to missing undo data until the background sync has finished, + // so downloading blocks from it would be futile. + const CBlockIndex* snap_base{m_chainman.GetSnapshotBaseBlock()}; + if (snap_base && state->pindexBestKnownBlock->GetAncestor(snap_base->nHeight) != snap_base) { + LogDebug(BCLog::NET, "Not downloading blocks from peer=%d, which doesn't have the snapshot block in its best chain.\n", peer.m_id); + return; + } + if (state->pindexLastCommonBlock == nullptr) { // Bootstrap quickly by guessing a parent of our best tip is the forking point. // Guessing wrong in either direction is not a problem. |