diff options
Diffstat (limited to 'eth/downloader/downloader.go')
-rw-r--r-- | eth/downloader/downloader.go | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go index 4cd927fd5..a48b60716 100644 --- a/eth/downloader/downloader.go +++ b/eth/downloader/downloader.go @@ -30,7 +30,7 @@ var ( errLowTd = errors.New("peer's TD is too low") errBusy = errors.New("busy") errUnknownPeer = errors.New("peer's unknown or unhealthy") - errBadPeer = errors.New("action from bad peer ignored") + ErrBadPeer = errors.New("action from bad peer ignored") errTimeout = errors.New("timeout") errEmptyHashSet = errors.New("empty hash set by peer") errPeersUnavailable = errors.New("no peers available or all peers tried for block download process") @@ -376,7 +376,7 @@ func (d *Downloader) AddBlock(id string, block *types.Block, td *big.Int) error // and add the block. Otherwise just ignore it if peer == nil { glog.V(logger.Detail).Infof("Ignored block from bad peer %s\n", id) - return errBadPeer + return ErrBadPeer } peer.mu.Lock() @@ -422,10 +422,7 @@ func (d *Downloader) process(peer *peer) error { return nil } - var ( - blocks = d.queue.blocks - err error - ) + var blocks = d.queue.blocks glog.V(logger.Debug).Infof("Inserting chain with %d blocks (#%v - #%v)\n", len(blocks), blocks[0].Number(), blocks[len(blocks)-1].Number()) // Loop untill we're out of blocks @@ -435,7 +432,7 @@ func (d *Downloader) process(peer *peer) error { // processing and start requesting the `block.hash` so that it's parent and // grandparents can be requested and queued. var i int - i, err = d.insertChain(blocks[:max]) + i, err := d.insertChain(blocks[:max]) if err != nil && core.IsParentErr(err) { // Ignore the missing blocks. Handler should take care of anything that's missing. glog.V(logger.Debug).Infof("Ignored block with missing parent (%d)\n", i) @@ -447,8 +444,9 @@ func (d *Downloader) process(peer *peer) error { d.UnregisterPeer(d.activePeer) // Reset chain completely. This needs much, much improvement. // instead: check all blocks leading down to this block false block and remove it - blocks = nil - break + d.queue.blocks = nil + + return ErrBadPeer } blocks = blocks[max:] } @@ -459,7 +457,7 @@ func (d *Downloader) process(peer *peer) error { } else { d.queue.blocks = blocks } - return err + return nil } func (d *Downloader) isFetchingHashes() bool { |