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-rw-r--r--eth/downloader/synchronous.go79
1 files changed, 0 insertions, 79 deletions
diff --git a/eth/downloader/synchronous.go b/eth/downloader/synchronous.go
deleted file mode 100644
index 7bb49d24e..000000000
--- a/eth/downloader/synchronous.go
+++ /dev/null
@@ -1,79 +0,0 @@
-package downloader
-
-import (
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/core/types"
- "github.com/ethereum/go-ethereum/logger"
- "github.com/ethereum/go-ethereum/logger/glog"
-)
-
-// THIS IS PENDING AND TO DO CHANGES FOR MAKING THE DOWNLOADER SYNCHRONOUS
-
-// SynchroniseWithPeer will select the peer and use it for synchronising. If an empty string is given
-// it will use the best peer possible and synchronise if it's TD is higher than our own. If any of the
-// checks fail an error will be returned. This method is synchronous
-func (d *Downloader) SynchroniseWithPeer(id string) (types.Blocks, error) {
- // Check if we're busy
- if d.isBusy() {
- return nil, errBusy
- }
-
- // Attempt to select a peer. This can either be nothing, which returns, best peer
- // or selected peer. If no peer could be found an error will be returned
- var p *peer
- if len(id) == 0 {
- p = d.peers[id]
- if p == nil {
- return nil, errUnknownPeer
- }
- } else {
- p = d.peers.bestPeer()
- }
-
- // Make sure our td is lower than the peer's td
- if p.td.Cmp(d.currentTd()) <= 0 || d.hasBlock(p.recentHash) {
- return nil, errLowTd
- }
-
- // Get the hash from the peer and initiate the downloading progress.
- err := d.getFromPeer(p, p.recentHash, false)
- if err != nil {
- return nil, err
- }
-
- return d.queue.blocks, nil
-}
-
-// Synchronise will synchronise using the best peer.
-func (d *Downloader) Synchronise() (types.Blocks, error) {
- return d.SynchroniseWithPeer("")
-}
-
-func (d *Downloader) getFromPeer(p *peer, hash common.Hash, ignoreInitial bool) error {
- d.activePeer = p.id
-
- glog.V(logger.Detail).Infoln("Synchronising with the network using:", p.id)
- // Start the fetcher. This will block the update entirely
- // interupts need to be send to the appropriate channels
- // respectively.
- if err := d.startFetchingHashes(p, hash, ignoreInitial); err != nil {
- // handle error
- glog.V(logger.Debug).Infoln("Error fetching hashes:", err)
- // XXX Reset
- return err
- }
-
- // Start fetching blocks in paralel. The strategy is simple
- // take any available peers, seserve a chunk for each peer available,
- // let the peer deliver the chunkn and periodically check if a peer
- // has timedout. When done downloading, process blocks.
- if err := d.startFetchingBlocks(p); err != nil {
- glog.V(logger.Debug).Infoln("Error downloading blocks:", err)
- // XXX reset
- return err
- }
-
- glog.V(logger.Detail).Infoln("Sync completed")
-
- return nil
-}