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G
Geth-Modification
Unverified Commit 19a1c950 authored by Marius van der Wijden's avatar Marius van der Wijden Committed by GitHub
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eth/downloader: cache parent hash instead of recomputing (#21678)

parent 905ed109
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Inline Side-by-side
Showing with 4 additions and 1 deletion
eth/downloader/queue.go
View file @ 19a1c950
...@@ -712,6 +712,7 @@ func (q *queue) DeliverHeaders(id string, headers []*types.Header, headerProcCh ...@@ -712,6 +712,7 @@ func (q *queue) DeliverHeaders(id string, headers []*types.Header, headerProcCh
} }
} }
if accepted { if accepted {
parentHash := headers[0].Hash()
for i, header := range headers[1:] { for i, header := range headers[1:] {
hash := header.Hash() hash := header.Hash()
if want := request.From + 1 + uint64(i); header.Number.Uint64() != want { if want := request.From + 1 + uint64(i); header.Number.Uint64() != want {
...@@ -719,11 +720,13 @@ func (q *queue) DeliverHeaders(id string, headers []*types.Header, headerProcCh ...@@ -719,11 +720,13 @@ func (q *queue) DeliverHeaders(id string, headers []*types.Header, headerProcCh
accepted = false accepted = false
break break
} }
if headers[i].Hash() != header.ParentHash { if parentHash != header.ParentHash {
log.Warn("Header broke chain ancestry", "peer", id, "number", header.Number, "hash", hash) log.Warn("Header broke chain ancestry", "peer", id, "number", header.Number, "hash", hash)
accepted = false accepted = false
break break
} }
// Set-up parent hash for next round
parentHash = hash
} }
} }
// If the batch of headers wasn't accepted, mark as unavailable // If the batch of headers wasn't accepted, mark as unavailable
......
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