diff options
Diffstat (limited to 'eth/downloader/downloader.go')
| -rw-r--r-- | eth/downloader/downloader.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go index 5ce98816d..7cf83ada3 100644 --- a/eth/downloader/downloader.go +++ b/eth/downloader/downloader.go @@ -804,6 +804,8 @@ func (d *Downloader) fetchHashes(p *peer, from uint64) error { } // Start pulling hashes, until all are exhausted getHashes(from) + gotHashes := false + for { select { case <-d.cancelCh: @@ -825,8 +827,14 @@ func (d *Downloader) fetchHashes(p *peer, from uint64) error { case d.processCh <- false: case <-d.cancelCh: } + // Error out if no hashes were retrieved at all + if !gotHashes { + return errStallingPeer + } return nil } + gotHashes = true + // Otherwise insert all the new hashes, aborting in case of junk glog.V(logger.Detail).Infof("%v: inserting %d hashes from #%d", p, len(hashPack.hashes), from) |