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eth/downloader: dereference discarded statesync request

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Péter Szilágyi 2017-11-23 14:29:37 +02:00
parent 35801f938e
commit 7087b3dbdc
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1 changed files with 4 additions and 1 deletions
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5
eth/downloader/statesync.go
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@ -132,7 +132,10 @@ func (d *Downloader) runStateSync(s *stateSync) *stateSync {
// Send the next finished request to the current sync:
case deliverReqCh <- deliverReq:
finished = append(finished[:0], finished[1:]...)
// Shift out the first request, but also set the emptied slot to nil for GC
copy(finished, finished[1:])
finished[len(finished)-1] = nil
finished = finished[:len(finished)-1]
// Handle incoming state packs:
case pack := <-d.stateCh: