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eth/downloader: don't drop peer if header is lagged

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This commit is contained in:
jsvisa 2025-10-29 22:51:56 +08:00
parent 5dd0fe2f53
commit fc96cfa05f
1 changed files with 8 additions and 2 deletions
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10
eth/downloader/skeleton.go
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@ -812,8 +812,14 @@ func (s *skeleton) executeTask(peer *peerConnection, req *headerRequest) {
case headers[0].Number.Uint64() != req.head:
// Header batch anchored at non-requested number
peer.log.Debug("Invalid header response head", "have", headers[0].Number, "want", req.head)
res.Done <- errors.New("invalid header batch anchor")
if peerHeader := headers[0].Number.Uint64(); peerHeader > req.head {
peer.log.Debug("Invalid header response head", "have", peerHeader, "want", req.head)
res.Done <- errors.New("invalid header batch anchor")
} else {
peer.log.Debug("Peer behind requested head, rescheduling", "have", peerHeader, "want", req.head)
// Do not penalize the peer if it is behind our requested head
res.Done <- nil
}
s.scheduleRevertRequest(req)
case req.head >= requestHeaders && len(headers) != requestHeaders: