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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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22
eth/handler.go
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@ -171,10 +171,30 @@ func newHandler(config *handlerConfig) (*handler, error) {
h.checkpointNumber = (config.Checkpoint.SectionIndex+1)*params.CHTFrequency - 1
h.checkpointHash = config.Checkpoint.SectionHead
}
// If sync succeeds, pass a callback to potentially disable snap sync mode
// and enable transaction propagation.
success := func() {
// If we were running snap sync and it finished, disable doing another
// round on next sync cycle
if atomic.LoadUint32(&h.snapSync) == 1 {
log.Info("Snap sync complete, auto disabling")
atomic.StoreUint32(&h.snapSync, 0)
}
// If we've successfully finished a sync cycle and passed any required
// checkpoint, enable accepting transactions from the network
head := h.chain.CurrentBlock()
if head.NumberU64() >= h.checkpointNumber {
// Checkpoint passed, sanity check the timestamp to have a fallback mechanism
// for non-checkpointed (number = 0) private networks.
if head.Time() >= uint64(time.Now().AddDate(0, -1, 0).Unix()) {
atomic.StoreUint32(&h.acceptTxs, 1)
}
}
}
// Construct the downloader (long sync) and its backing state bloom if snap
// sync is requested. The downloader is responsible for deallocating the state
// bloom when it's done.
h.downloader = downloader.New(h.checkpointNumber, config.Database, h.eventMux, h.chain, nil, h.removePeer)
h.downloader = downloader.New(h.checkpointNumber, config.Database, h.eventMux, h.chain, nil, h.removePeer, success)
// Construct the fetcher (short sync)
validator := func(header *types.Header) error {