mirror/go-pulse
1
0
Fork 0
mirror of https://gitlab.com/pulsechaincom/go-pulse.git synced 2024-12-22 03:30:35 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

eth/downloader: fix header delays during chain dedup

Browse Source
This commit is contained in:
Péter Szilágyi 2019-05-07 16:09:11 +03:00
parent 107c67d74e
commit 85726fdb02
No known key found for this signature in database
GPG Key ID: E9AE538CEDF8293D
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
eth/downloader/downloader.go
View File

@ -892,6 +892,7 @@ func (d *Downloader) fetchHeaders(p *peerConnection, from uint64, pivot uint64)
}
}
// Start pulling the header chain skeleton until all is done
ancestor := from
getHeaders(from)
for {
@ -962,6 +963,12 @@ func (d *Downloader) fetchHeaders(p *peerConnection, from uint64, pivot uint64)
head = full
}
}
// If the head is below the common ancestor, we're actually deduplicating
// already existing chain segments, so use the ancestor as the fake head.
// Otherwise we might end up delaying header deliveries pointlessly.
if head < ancestor {
head = ancestor
}
// If the head is way older than this batch, delay the last few headers
if head+uint64(reorgProtThreshold) < headers[n-1].Number.Uint64() {
delay := reorgProtHeaderDelay