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Process Execution Payload Envelope in Chain Service (#14295)
Adds the processing of execution payload envelope Corrects the protos for attestations and slashings in Electra versions Adds generators of full blocks for Electra
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27 changes: 27 additions & 0 deletions
27
beacon-chain/blockchain/currently_syncing_execution_payload_envelope.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| package blockchain | ||
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| import "sync" | ||
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| type currentlySyncingPayload struct { | ||
| sync.Mutex | ||
| roots map[[32]byte]struct{} | ||
| } | ||
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| func (b *currentlySyncingPayload) set(root [32]byte) { | ||
| b.Lock() | ||
| defer b.Unlock() | ||
| b.roots[root] = struct{}{} | ||
| } | ||
|
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| func (b *currentlySyncingPayload) unset(root [32]byte) { | ||
| b.Lock() | ||
| defer b.Unlock() | ||
| delete(b.roots, root) | ||
| } | ||
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| func (b *currentlySyncingPayload) isSyncing(root [32]byte) bool { | ||
| b.Lock() | ||
| defer b.Unlock() | ||
| _, ok := b.roots[root] | ||
| return ok | ||
| } |
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166 changes: 166 additions & 0 deletions
166
beacon-chain/blockchain/receive_execution_payload_envelope.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| package blockchain | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
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| "github.com/ethereum/go-ethereum/common" | ||
| "github.com/pkg/errors" | ||
| "github.com/prysmaticlabs/prysm/v5/beacon-chain/core/epbs" | ||
| "github.com/prysmaticlabs/prysm/v5/beacon-chain/das" | ||
| "github.com/prysmaticlabs/prysm/v5/beacon-chain/execution" | ||
| "github.com/prysmaticlabs/prysm/v5/beacon-chain/state" | ||
| "github.com/prysmaticlabs/prysm/v5/consensus-types/interfaces" | ||
| "github.com/prysmaticlabs/prysm/v5/encoding/bytesutil" | ||
| "github.com/sirupsen/logrus" | ||
| "go.opencensus.io/trace" | ||
| "golang.org/x/sync/errgroup" | ||
| ) | ||
|
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| // ReceiveExecutionPayloadEnvelope is a function that defines the operations (minus pubsub) | ||
| // that are performed on a received execution payload envelope. The operations consist of: | ||
| // 1. Validate the payload, apply state transition. | ||
| // 2. Apply fork choice to the processed payload | ||
| // 3. Save latest head info | ||
| func (s *Service) ReceiveExecutionPayloadEnvelope(ctx context.Context, envelope interfaces.ROExecutionPayloadEnvelope, _ das.AvailabilityStore) error { | ||
| receivedTime := time.Now() | ||
| root, err := envelope.BeaconBlockRoot() | ||
| if err != nil { | ||
| return errors.Wrap(err, "could not get beacon block root") | ||
| } | ||
| s.payloadBeingSynced.set(root) | ||
| defer s.payloadBeingSynced.unset(root) | ||
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| preState, err := s.getPayloadEnvelopePrestate(ctx, envelope) | ||
| if err != nil { | ||
| return errors.Wrap(err, "could not get prestate") | ||
| } | ||
|
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| eg, _ := errgroup.WithContext(ctx) | ||
| var postState state.BeaconState | ||
| eg.Go(func() error { | ||
| if err := epbs.ValidatePayloadStateTransition(ctx, preState, envelope); err != nil { | ||
| return errors.Wrap(err, "failed to validate consensus state transition function") | ||
| } | ||
| return nil | ||
| }) | ||
| var isValidPayload bool | ||
| eg.Go(func() error { | ||
| var err error | ||
| isValidPayload, err = s.validateExecutionOnEnvelope(ctx, envelope) | ||
| if err != nil { | ||
| return errors.Wrap(err, "could not notify the engine of the new payload") | ||
| } | ||
| return nil | ||
| }) | ||
|
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| if err := eg.Wait(); err != nil { | ||
| return err | ||
| } | ||
| _ = isValidPayload | ||
| _ = postState | ||
| daStartTime := time.Now() | ||
| // TODO: Add DA check | ||
| daWaitedTime := time.Since(daStartTime) | ||
| dataAvailWaitedTime.Observe(float64(daWaitedTime.Milliseconds())) | ||
| // TODO: Add Head update, cache handling, postProcessing | ||
| timeWithoutDaWait := time.Since(receivedTime) - daWaitedTime | ||
| executionEngineProcessingTime.Observe(float64(timeWithoutDaWait.Milliseconds())) | ||
| return nil | ||
| } | ||
|
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| // notifyNewPayload signals execution engine on a new payload. | ||
| // It returns true if the EL has returned VALID for the block | ||
| func (s *Service) notifyNewEnvelope(ctx context.Context, envelope interfaces.ROExecutionPayloadEnvelope) (bool, error) { | ||
| ctx, span := trace.StartSpan(ctx, "blockChain.notifyNewPayload") | ||
| defer span.End() | ||
|
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| payload, err := envelope.Execution() | ||
| if err != nil { | ||
| return false, errors.Wrap(err, "could not get execution payload") | ||
| } | ||
|
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| var lastValidHash []byte | ||
| var versionedHashes []common.Hash | ||
| versionedHashes, err = envelope.VersionedHashes() | ||
| if err != nil { | ||
| return false, errors.Wrap(err, "could not get versioned hashes to feed the engine") | ||
| } | ||
| root, err := envelope.BeaconBlockRoot() | ||
| if err != nil { | ||
| return false, errors.Wrap(err, "could not get beacon block root") | ||
| } | ||
| parentRoot, err := s.ParentRoot(root) | ||
| if err != nil { | ||
| return false, errors.Wrap(err, "could not get parent block root") | ||
| } | ||
| pr := common.Hash(parentRoot) | ||
| lastValidHash, err = s.cfg.ExecutionEngineCaller.NewPayload(ctx, payload, versionedHashes, &pr) | ||
| switch { | ||
| case err == nil: | ||
| newPayloadValidNodeCount.Inc() | ||
| return true, nil | ||
| case errors.Is(err, execution.ErrAcceptedSyncingPayloadStatus): | ||
| newPayloadOptimisticNodeCount.Inc() | ||
| log.WithFields(logrus.Fields{ | ||
| "payloadBlockHash": fmt.Sprintf("%#x", bytesutil.Trunc(payload.BlockHash())), | ||
| }).Info("Called new payload with optimistic block") | ||
| return false, nil | ||
| case errors.Is(err, execution.ErrInvalidPayloadStatus): | ||
| lvh := bytesutil.ToBytes32(lastValidHash) | ||
| return false, invalidBlock{ | ||
| error: ErrInvalidPayload, | ||
| lastValidHash: lvh, | ||
| } | ||
| default: | ||
| return false, errors.WithMessage(ErrUndefinedExecutionEngineError, err.Error()) | ||
| } | ||
| } | ||
|
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| // validateExecutionOnEnvelope notifies the engine of the incoming execution payload and returns true if the payload is valid | ||
| func (s *Service) validateExecutionOnEnvelope(ctx context.Context, e interfaces.ROExecutionPayloadEnvelope) (bool, error) { | ||
| isValidPayload, err := s.notifyNewEnvelope(ctx, e) | ||
| if err == nil { | ||
| return isValidPayload, nil | ||
| } | ||
| blockRoot, rootErr := e.BeaconBlockRoot() | ||
| if rootErr != nil { | ||
| return false, errors.Wrap(rootErr, "could not get beacon block root") | ||
| } | ||
| parentRoot, rootErr := s.ParentRoot(blockRoot) | ||
| if rootErr != nil { | ||
| return false, errors.Wrap(rootErr, "could not get parent block root") | ||
| } | ||
| s.cfg.ForkChoiceStore.Lock() | ||
| err = s.handleInvalidExecutionError(ctx, err, blockRoot, parentRoot) | ||
| s.cfg.ForkChoiceStore.Unlock() | ||
| return false, err | ||
| } | ||
|
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| func (s *Service) getPayloadEnvelopePrestate(ctx context.Context, e interfaces.ROExecutionPayloadEnvelope) (state.BeaconState, error) { | ||
| ctx, span := trace.StartSpan(ctx, "blockChain.getPayloadEnvelopePreState") | ||
| defer span.End() | ||
|
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| // Verify incoming payload has a valid pre state. | ||
| root, err := e.BeaconBlockRoot() | ||
| if err != nil { | ||
| return nil, errors.Wrap(err, "could not get beacon block root") | ||
| } | ||
| // Verify the referred block is known to forkchoice | ||
| if !s.InForkchoice(root) { | ||
| return nil, errors.New("Cannot import execution payload envelope for unknown block") | ||
| } | ||
| if err := s.verifyBlkPreState(ctx, root); err != nil { | ||
| return nil, errors.Wrap(err, "could not verify payload prestate") | ||
| } | ||
|
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| preState, err := s.cfg.StateGen.StateByRoot(ctx, root) | ||
| if err != nil { | ||
| return nil, errors.Wrap(err, "could not get pre state") | ||
| } | ||
| if preState == nil || preState.IsNil() { | ||
| return nil, errors.Wrap(err, "nil pre state") | ||
| } | ||
| return preState, nil | ||
| } |
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