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* PeerDAS: Implement sync * Fix Potuz's comment. * Fix Potuz's comment. * Fix Potuz's comment. * Fix Potuz's comment. * Fix Potuz's comment. * Implement `TestFetchDataColumnSidecarsFromPeers`. * Implement `TestSelectPeers`. * Fix James' comment. * Fix flakiness in `TestSelectPeers`. * Revert "Fix Potuz's comment." This reverts commitc45230b455. * Revert "Fix James' comment." This reverts commita3f919205a. * `selectPeers`: Avoid map with key but empty value. * Fix Potuz's comment. * Add DataColumnStorage and SubscribeAllDataSubnets flag. * getBlobsV2: retry if reconstruction isnt successful * test: engine client and sync package, metrics * lint: fmt and log capitalisation * lint: return error when it is not nil * config: make retry interval configurable * sidecar: recover function and different context for retrying * lint: remove unused field * beacon: default retry interval * reconstruct: load once, correctly deliver the result to all waiting goroutines * reconstruct: simplify multi goroutine case and avoid race condition * engine: remove isDataAlreadyAvailable function * sync: no goroutine, getblobsv2 in absence of block as well, wrap error * exec: hardcode retry interval * da: non blocking checks * sync: remove unwanted checks * execution: fix test * execution: retry atomicity test * da: updated IsDataAvailable * sync: remove unwanted tests * bazel: bazel run //:gazelle -- fix * blockchain: fix CustodyGroupCount return * lint: formatting * lint: lint and use unused metrics * execution: retry logic inside ReconstructDataColumnSidecars itself * lint: format * execution: ensure the retry actually happens when it needs to * execution: ensure single responsibility, execution should not do DA check * sync: don't call ReconstructDataColumnSidecars if not required * blockchain: move IsDataAvailable interface to blockchain package * execution: make reconstructSingleflight part of the service struct * blockchain: cleaner DA check * lint: formatting and remove confusing comment * sync: fix lint, test and add extra test for when data is actually not available * sync: new appropriate mock service * execution: edge case - delete activeRetries on success * execution: use service context instead of function's for retry * blockchain: get variable samplesPerSlot only when required * remove redundant function and fix name * fix test * fix more tests * put samplesPerSlot at appropriate place * tidy up IsDataAvailable * correct bad merge * fix bad merge * remove redundant flag option * refactor to deduplicate sidecar construction code * - Add godocs - Rename some functions to be closer to the spec - Add err in return of commitments * Replace mutating public method (but only internally used) `Populate` but private not mutating method `extract`. * Implement a unique `processDataColumnSidecarsFromExecution` instead 2 separate functions from block and from sidecar. * `ReceiveBlock`: Wrap errors. * Remove useless tests. * `ConstructionPopulator`: Add tests. * Fix tests * Move functions to be consistent with blobs. * `fetchCellsAndProofsFromExecution`: Avoid useless flattening. * `processDataColumnSidecarsFromExecution`: Stop using DB cache. --------- Co-authored-by: Manu NALEPA <enalepa@offchainlabs.com> Co-authored-by: Kasey Kirkham <kasey@users.noreply.github.com>
Prysmatic Labs Beacon Chain Implementation
This is the main project folder for the beacon chain implementation of Ethereum written in Go by Prysmatic Labs.
You can also read our main README and join our active chat room on Discord.
Also, read the official beacon chain specification, this design spec serves as a source of truth for the beacon chain implementation we follow at Prysmatic Labs.