diff options
Diffstat (limited to 'eth/downloader/downloader.go')
-rw-r--r-- | eth/downloader/downloader.go | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go index 13f3b11c9..5782d4cf5 100644 --- a/eth/downloader/downloader.go +++ b/eth/downloader/downloader.go @@ -156,7 +156,7 @@ type Downloader struct { // LightChain encapsulates functions required to synchronise a light chain. type LightChain interface { // HasHeader verifies a header's presence in the local chain. - HasHeader(common.Hash) bool + HasHeader(h common.Hash, number uint64) bool // GetHeaderByHash retrieves a header from the local chain. GetHeaderByHash(common.Hash) *types.Header @@ -666,7 +666,7 @@ func (d *Downloader) findAncestor(p *peerConnection, height uint64) (uint64, err continue } // Otherwise check if we already know the header or not - if (d.mode == FullSync && d.blockchain.HasBlockAndState(headers[i].Hash())) || (d.mode != FullSync && d.lightchain.HasHeader(headers[i].Hash())) { + if (d.mode == FullSync && d.blockchain.HasBlockAndState(headers[i].Hash())) || (d.mode != FullSync && d.lightchain.HasHeader(headers[i].Hash(), headers[i].Number.Uint64())) { number, hash = headers[i].Number.Uint64(), headers[i].Hash() // If every header is known, even future ones, the peer straight out lied about its head @@ -731,7 +731,7 @@ func (d *Downloader) findAncestor(p *peerConnection, height uint64) (uint64, err arrived = true // Modify the search interval based on the response - if (d.mode == FullSync && !d.blockchain.HasBlockAndState(headers[0].Hash())) || (d.mode != FullSync && !d.lightchain.HasHeader(headers[0].Hash())) { + if (d.mode == FullSync && !d.blockchain.HasBlockAndState(headers[0].Hash())) || (d.mode != FullSync && !d.lightchain.HasHeader(headers[0].Hash(), headers[0].Number.Uint64())) { end = check break } @@ -1174,7 +1174,7 @@ func (d *Downloader) processHeaders(origin uint64, td *big.Int) error { // If we're already past the pivot point, this could be an attack, thread carefully if rollback[len(rollback)-1].Number.Uint64() > pivot { - // If we didn't ever fail, lock in te pivot header (must! not! change!) + // If we didn't ever fail, lock in the pivot header (must! not! change!) if atomic.LoadUint32(&d.fsPivotFails) == 0 { for _, header := range rollback { if header.Number.Uint64() == pivot { @@ -1260,7 +1260,7 @@ func (d *Downloader) processHeaders(origin uint64, td *big.Int) error { // Collect the yet unknown headers to mark them as uncertain unknown := make([]*types.Header, 0, len(headers)) for _, header := range chunk { - if !d.lightchain.HasHeader(header.Hash()) { + if !d.lightchain.HasHeader(header.Hash(), header.Number.Uint64()) { unknown = append(unknown, header) } } @@ -1396,7 +1396,6 @@ func (d *Downloader) processFastSyncContent(latest *types.Header) error { stateSync.Cancel() if err := d.commitPivotBlock(P); err != nil { return err - } } if err := d.importBlockResults(afterP); err != nil { |