BlockFetcher.FilterHeaders¶
| Source (upstream pre-purge) | Current | |
|---|---|---|
| File | eth/fetcher/block_fetcher.go |
block_fetcher_pow.go |
| Symbol | BlockFetcher.FilterHeaders |
BlockFetcher.FilterHeaders |
| Ref | f4d53133f~1 |
etc/v1.17.3-full-node |
3-way merge — purge → getc ← upstream¶
pre-purge
↗// FilterHeaders extracts all the headers that were explicitly requested by the fetcher,
// returning those that should be handled differently.
func (f *BlockFetcher) FilterHeaders(peer string, headers []*types.Header, time time.Time) []*types.Header {
log.Trace("Filtering headers", "peer", peer, "headers", len(headers))
↗ // Send the filter channel to the fetcher
filter := make(chan *headerFilterTask)
↗ select {
case f.headerFilter <- filter:
case <-f.quit:
return nil
}
// Request the filtering of the header list
select {
case filter <- &headerFilterTask{peer: peer, headers: headers, time: time}:
case <-f.quit:
return nil
}
// Retrieve the headers remaining after filtering
select {
case task := <-filter:
return task.headers
case <-f.quit:
return nil
}
}