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eth/downloader, les/downloader: fix subtle flaw in queue delivery (#25861)

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* fix queue.deliver

* les/downloader: fix queue.deliver

Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
zhiqiangxu
2022-09-26 12:33:21 +02:00
committed by GitHub
co-authored by Martin Holst Swende
parent e004e7d256
commit b32d20324e
2 changed files with 2 additions and 2 deletions
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eth/downloader/queue.go
+1 -1
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@@ -857,7 +857,7 @@ func (q *queue) deliver(id string, taskPool map[common.Hash]*types.Header,
}
for _, header := range request.Headers[:i] {
if res, stale, err := q.resultCache.GetDeliverySlot(header.Number.Uint64()); err == nil {
if res, stale, err := q.resultCache.GetDeliverySlot(header.Number.Uint64()); err == nil && !stale {
reconstruct(accepted, res)
} else {
// else: between here and above, some other peer filled this result,