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Small performance optimization (hash already calculated) #4053

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Merged
merged 2 commits into from
May 4, 2022
Merged

Small performance optimization (hash already calculated) #4053

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fdd5c30
Small performance optimization (hash already calculated)
yperbasis May 3, 2022
456b8c2
Merge branch 'devel' into merge_stuff_1
yperbasis May 4, 2022
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7 changes: 4 additions & 3 deletions turbo/stages/headerdownload/header_algos.go
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Original file line number Diff line number Diff line change
Expand Up @@ -902,12 +902,13 @@ func (hd *HeaderDownload) ProcessSegmentPOS(segment ChainSegment, tx kv.Getter)
log.Trace("Collecting...", "from", segment[0].Number, "to", segment[len(segment)-1].Number, "len", len(segment))
for _, segmentFragment := range segment {
header := segmentFragment.Header
if header.Hash() != hd.posAnchor.parentHash {
return fmt.Errorf("unexpected hash %x (expected %x)", header.Hash(), hd.posAnchor.parentHash)
headerHash := segmentFragment.Hash
if headerHash != hd.posAnchor.parentHash {
return fmt.Errorf("unexpected hash %x (expected %x)", headerHash, hd.posAnchor.parentHash)
}

headerNumber := header.Number.Uint64()
if err := hd.headersCollector.Collect(dbutils.HeaderKey(headerNumber, header.Hash()), segmentFragment.HeaderRaw); err != nil {
if err := hd.headersCollector.Collect(dbutils.HeaderKey(headerNumber, headerHash), segmentFragment.HeaderRaw); err != nil {
return err
}

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