diff options
Diffstat (limited to 'eth/downloader/downloader.go')
| -rw-r--r-- | eth/downloader/downloader.go | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go index 79e2ea2c0..b6b9d54f0 100644 --- a/eth/downloader/downloader.go +++ b/eth/downloader/downloader.go @@ -238,12 +238,12 @@ func (d *Downloader) Synchronising() bool { // RegisterPeer injects a new download peer into the set of block source to be // used for fetching hashes and blocks from. -func (d *Downloader) RegisterPeer(id string, version int, head common.Hash, +func (d *Downloader) RegisterPeer(id string, version int, currentHead currentHeadRetrievalFn, getRelHeaders relativeHeaderFetcherFn, getAbsHeaders absoluteHeaderFetcherFn, getBlockBodies blockBodyFetcherFn, getReceipts receiptFetcherFn, getNodeData stateFetcherFn) error { glog.V(logger.Detail).Infoln("Registering peer", id) - if err := d.peers.Register(newPeer(id, version, head, getRelHeaders, getAbsHeaders, getBlockBodies, getReceipts, getNodeData)); err != nil { + if err := d.peers.Register(newPeer(id, version, currentHead, getRelHeaders, getAbsHeaders, getBlockBodies, getReceipts, getNodeData)); err != nil { glog.V(logger.Error).Infoln("Register failed:", err) return err } @@ -514,7 +514,8 @@ func (d *Downloader) fetchHeight(p *peer) (*types.Header, error) { glog.V(logger.Debug).Infof("%v: retrieving remote chain height", p) // Request the advertised remote head block and wait for the response - go p.getRelHeaders(p.head, 1, 0, false) + head, _ := p.currentHead() + go p.getRelHeaders(head, 1, 0, false) timeout := time.After(d.requestTTL()) for { @@ -554,7 +555,7 @@ func (d *Downloader) fetchHeight(p *peer) (*types.Header, error) { // In the rare scenario when we ended up on a long reorganisation (i.e. none of // the head links match), we do a binary search to find the common ancestor. func (d *Downloader) findAncestor(p *peer, height uint64) (uint64, error) { - glog.V(logger.Debug).Infof("%v: looking for common ancestor", p) + glog.V(logger.Debug).Infof("%v: looking for common ancestor (remote height %d)", p, height) // Figure out the valid ancestor range to prevent rewrite attacks floor, ceil := int64(-1), d.headHeader().Number.Uint64() |