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Merge pull request #1100 from karalabe/drop-sync-peer-on-empty-hash

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eth, eth/downloader: fix #1098, elevate empty hash errors to peer drops
This commit is contained in:
Jeffrey Wilcke 2015-06-05 08:28:08 -07:00
commit 8c28126984
2 changed files with 3 additions and 3 deletions
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4
eth/downloader/downloader.go
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@ -42,7 +42,7 @@ var (
errNoPeers = errors.New("no peers to keep download active")
ErrPendingQueue = errors.New("pending items in queue")
ErrTimeout = errors.New("timeout")
errEmptyHashSet = errors.New("empty hash set by peer")
ErrEmptyHashSet = errors.New("empty hash set by peer")
errPeersUnavailable = errors.New("no peers available or all peers tried for block download process")
errAlreadyInPool = errors.New("hash already in pool")
ErrInvalidChain = errors.New("retrieved hash chain is invalid")
@ -289,7 +289,7 @@ func (d *Downloader) fetchHashes(p *peer, h common.Hash) error {
// Make sure the peer actually gave something valid
if len(hashPack.hashes) == 0 {
glog.V(logger.Debug).Infof("Peer (%s) responded with empty hash set", active.id)
return errEmptyHashSet
return ErrEmptyHashSet
}
for _, hash := range hashPack.hashes {
if d.banned.Has(hash) {

2
eth/sync.go
View File

@ -109,7 +109,7 @@ func (pm *ProtocolManager) synchronise(peer *peer) {
case downloader.ErrBusy:
glog.V(logger.Debug).Infof("Synchronisation already in progress")
case downloader.ErrTimeout, downloader.ErrBadPeer, downloader.ErrInvalidChain, downloader.ErrCrossCheckFailed:
case downloader.ErrTimeout, downloader.ErrBadPeer, downloader.ErrEmptyHashSet, downloader.ErrInvalidChain, downloader.ErrCrossCheckFailed:
glog.V(logger.Debug).Infof("Removing peer %v: %v", peer.id, err)
pm.removePeer(peer.id)