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PeerDAS: Implement DAS (#15367)

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* PeerDAS: Implement DAS

* Fix Terence's comment.

* Fix Terence comment.

* Fix Terence's comment.

* Fix James' comment.

* Fix James' comment.

* Rename some variable/files with blobs.

* Fix James' comment.

* Fix James' comment.

* Fix James' comment.
This commit is contained in:
Manu NALEPA
2025-06-06 12:06:52 +02:00
committed by GitHub
parent 543ebe857e
commit f1288a18ec
19 changed files with 1108 additions and 67 deletions
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7
beacon-chain/sync/initial-sync/service.go
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@@ -331,16 +331,17 @@ func (s *Service) fetchOriginBlobs(pids []peer.ID) error {
}
shufflePeers(pids)
for i := range pids {
sidecars, err := sync.SendBlobSidecarByRoot(s.ctx, s.clock, s.cfg.P2P, pids[i], s.ctxMap, &req, rob.Block().Slot())
blobSidecars, err := sync.SendBlobSidecarByRoot(s.ctx, s.clock, s.cfg.P2P, pids[i], s.ctxMap, &req, rob.Block().Slot())
if err != nil {
continue
}
if len(sidecars) != len(req) {
if len(blobSidecars) != len(req) {
continue
}
bv := verification.NewBlobBatchVerifier(s.newBlobVerifier, verification.InitsyncBlobSidecarRequirements)
avs := das.NewLazilyPersistentStore(s.cfg.BlobStorage, bv)
current := s.clock.CurrentSlot()
sidecars := blocks.NewSidecarsFromBlobSidecars(blobSidecars)
if err := avs.Persist(current, sidecars...); err != nil {
return err
}
@@ -348,7 +349,7 @@ func (s *Service) fetchOriginBlobs(pids []peer.ID) error {
log.WithField("root", fmt.Sprintf("%#x", r)).WithField("peerID", pids[i]).Warn("Blobs from peer for origin block were unusable")
continue
}
log.WithField("nBlobs", len(sidecars)).WithField("root", fmt.Sprintf("%#x", r)).Info("Successfully downloaded blobs for checkpoint sync block")
log.WithField("nBlobs", len(blobSidecars)).WithField("root", fmt.Sprintf("%#x", r)).Info("Successfully downloaded blobs for checkpoint sync block")
return nil
}
return fmt.Errorf("no connected peer able to provide blobs for checkpoint sync block %#x", r)