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eth/downloader: implement beacon sync (#23982)

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* eth/downloader: implement beacon sync

* eth/downloader: fix a crash if the beacon chain is reduced in length

* eth/downloader: fix beacon sync start/stop thrashing data race

* eth/downloader: use a non-nil pivot even in degenerate sync requests

* eth/downloader: don't touch internal state on beacon Head retrieval

* eth/downloader: fix spelling mistakes

* eth/downloader: fix some typos

* eth: integrate legacy/beacon sync switchover and UX

* eth: handle UX wise being stuck on post-merge TTD

* core, eth: integrate the beacon client with the beacon sync

* eth/catalyst: make some warning messages nicer

* eth/downloader: remove Ethereum 1&2 notions in favor of merge

* core/beacon, eth: clean up engine API returns a bit

* eth/downloader: add skeleton extension tests

* eth/catalyst: keep non-kiln spec, handle mining on ttd

* eth/downloader: add beacon header retrieval tests

* eth: fixed spelling, commented failing tests out

* eth/downloader: review fixes

* eth/downloader: drop peers failing to deliver beacon headers

* core/rawdb: track beacon sync data in db inspect

* eth: fix review concerns

* internal/web3ext: nit

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>
This commit is contained in:
Péter Szilágyi
2022-03-11 14:14:45 +02:00
committed by GitHub
parent 1b58e42802
commit 8f66ea3786
22 changed files with 2918 additions and 303 deletions
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6
eth/downloader/fetchers_concurrent.go
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@ -76,7 +76,7 @@ type typedQueue interface {
// concurrentFetch iteratively downloads scheduled block parts, taking available
// peers, reserving a chunk of fetch requests for each and waiting for delivery
// or timeouts.
func (d *Downloader) concurrentFetch(queue typedQueue) error {
func (d *Downloader) concurrentFetch(queue typedQueue, beaconMode bool) error {
// Create a delivery channel to accept responses from all peers
responses := make(chan *eth.Response)
@ -127,7 +127,7 @@ func (d *Downloader) concurrentFetch(queue typedQueue) error {
finished := false
for {
// Short circuit if we lost all our peers
if d.peers.Len() == 0 {
if d.peers.Len() == 0 && !beaconMode {
return errNoPeers
}
// If there's nothing more to fetch, wait or terminate
@ -209,7 +209,7 @@ func (d *Downloader) concurrentFetch(queue typedQueue) error {
}
// Make sure that we have peers available for fetching. If all peers have been tried
// and all failed throw an error
if !progressed && !throttled && len(pending) == 0 && len(idles) == d.peers.Len() && queued > 0 {
if !progressed && !throttled && len(pending) == 0 && len(idles) == d.peers.Len() && queued > 0 && !beaconMode {
return errPeersUnavailable
}
}