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feat(sentry): add support for electra single attestation events (#448)
* feat: upgrade beacon dependency to v0.49.0 feat(sentry): add support for electra single attestation events * fix(events_single_attestation.go): remove empty line in getData method
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187 changes: 187 additions & 0 deletions
187
pkg/sentry/event/beacon/eth/v1/events_single_attestation.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,187 @@ | ||
| package event | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "github.com/attestantio/go-eth2-client/spec/electra" | ||
| "github.com/attestantio/go-eth2-client/spec/phase0" | ||
| xatuethv1 "github.com/ethpandaops/xatu/pkg/proto/eth/v1" | ||
| "github.com/ethpandaops/xatu/pkg/proto/xatu" | ||
| "github.com/ethpandaops/xatu/pkg/sentry/ethereum" | ||
| "github.com/google/uuid" | ||
| ttlcache "github.com/jellydator/ttlcache/v3" | ||
| hashstructure "github.com/mitchellh/hashstructure/v2" | ||
| "github.com/sirupsen/logrus" | ||
| "google.golang.org/protobuf/types/known/timestamppb" | ||
| "google.golang.org/protobuf/types/known/wrapperspb" | ||
| ) | ||
|
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| type EventsSingleAttestation struct { | ||
| log logrus.FieldLogger | ||
|
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| now time.Time | ||
|
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| event *electra.SingleAttestation | ||
| beacon *ethereum.BeaconNode | ||
| duplicateCache *ttlcache.Cache[string, time.Time] | ||
| clientMeta *xatu.ClientMeta | ||
| id uuid.UUID | ||
| } | ||
|
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| func NewEventsSingleAttestation(log logrus.FieldLogger, event *electra.SingleAttestation, now time.Time, beacon *ethereum.BeaconNode, duplicateCache *ttlcache.Cache[string, time.Time], clientMeta *xatu.ClientMeta) (*EventsSingleAttestation, error) { | ||
| if event == nil { | ||
| return nil, fmt.Errorf("event is nil") | ||
| } | ||
|
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| return &EventsSingleAttestation{ | ||
| log: log.WithField("event", "BEACON_API_ETH_V1_EVENTS_ATTESTATION_V2/SINGLE"), | ||
| now: now, | ||
| event: event, | ||
| beacon: beacon, | ||
| duplicateCache: duplicateCache, | ||
| clientMeta: clientMeta, | ||
| id: uuid.New(), | ||
| }, nil | ||
| } | ||
|
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| func (e *EventsSingleAttestation) AttestationData() *phase0.AttestationData { | ||
| return e.event.Data | ||
| } | ||
|
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| func (e *EventsSingleAttestation) getData() (*xatuethv1.AttestationV2, error) { | ||
| attestation := e.event | ||
| if attestation == nil { | ||
| return nil, fmt.Errorf("electra attestation is nil") | ||
| } | ||
|
|
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| return &xatuethv1.AttestationV2{ | ||
| AggregationBits: "", | ||
| Data: &xatuethv1.AttestationDataV2{ | ||
| Slot: &wrapperspb.UInt64Value{Value: uint64(attestation.Data.Slot)}, | ||
| Index: &wrapperspb.UInt64Value{Value: uint64(attestation.Data.Index)}, | ||
| BeaconBlockRoot: xatuethv1.RootAsString(attestation.Data.BeaconBlockRoot), | ||
| Source: &xatuethv1.CheckpointV2{ | ||
| Epoch: &wrapperspb.UInt64Value{Value: uint64(attestation.Data.Source.Epoch)}, | ||
| Root: xatuethv1.RootAsString(attestation.Data.Source.Root), | ||
| }, | ||
| Target: &xatuethv1.CheckpointV2{ | ||
| Epoch: &wrapperspb.UInt64Value{Value: uint64(attestation.Data.Target.Epoch)}, | ||
| Root: xatuethv1.RootAsString(attestation.Data.Target.Root), | ||
| }, | ||
| }, | ||
| }, nil | ||
| } | ||
|
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| func (e *EventsSingleAttestation) Decorate(ctx context.Context) (*xatu.DecoratedEvent, error) { | ||
| data, err := e.getData() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| decoratedEvent := &xatu.DecoratedEvent{ | ||
| Event: &xatu.Event{ | ||
| Name: xatu.Event_BEACON_API_ETH_V1_EVENTS_ATTESTATION_V2, | ||
| DateTime: timestamppb.New(e.now), | ||
| Id: e.id.String(), | ||
| }, | ||
| Meta: &xatu.Meta{ | ||
| Client: e.clientMeta, | ||
| }, | ||
| Data: &xatu.DecoratedEvent_EthV1EventsAttestationV2{ | ||
| EthV1EventsAttestationV2: data, | ||
| }, | ||
| } | ||
|
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| additionalData, err := e.getAdditionalData(ctx) | ||
| if err != nil { | ||
| e.log.WithError(err).Error("Failed to get extra attestation data") | ||
| } else { | ||
| decoratedEvent.Meta.Client.AdditionalData = &xatu.ClientMeta_EthV1EventsAttestationV2{ | ||
| EthV1EventsAttestationV2: additionalData, | ||
| } | ||
| } | ||
|
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| return decoratedEvent, nil | ||
| } | ||
|
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| func (e *EventsSingleAttestation) ShouldIgnore(ctx context.Context) (bool, error) { | ||
| if err := e.beacon.Synced(ctx); err != nil { | ||
| return true, err | ||
| } | ||
|
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| hash, err := hashstructure.Hash(e.event, hashstructure.FormatV2, nil) | ||
| if err != nil { | ||
| return true, err | ||
| } | ||
|
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| item, retrieved := e.duplicateCache.GetOrSet(fmt.Sprint(hash), e.now, ttlcache.WithTTL[string, time.Time](ttlcache.DefaultTTL)) | ||
| if retrieved { | ||
| e.log.WithFields(logrus.Fields{ | ||
| "hash": hash, | ||
| "time_since_first_item": time.Since(item.Value()), | ||
| }).Debug("Duplicate attestation event received") | ||
|
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| return true, nil | ||
| } | ||
|
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| return false, nil | ||
| } | ||
|
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| func (e *EventsSingleAttestation) getAdditionalData(_ context.Context) (*xatu.ClientMeta_AdditionalEthV1EventsAttestationV2Data, error) { | ||
| extra := &xatu.ClientMeta_AdditionalEthV1EventsAttestationV2Data{} | ||
|
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| attestationData := e.AttestationData() | ||
|
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| slot := attestationData.Slot | ||
|
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| attestionSlot := e.beacon.Metadata().Wallclock().Slots().FromNumber(uint64(slot)) | ||
| epoch := e.beacon.Metadata().Wallclock().Epochs().FromSlot(uint64(slot)) | ||
|
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| extra.Slot = &xatu.SlotV2{ | ||
| Number: &wrapperspb.UInt64Value{Value: attestionSlot.Number()}, | ||
| StartDateTime: timestamppb.New(attestionSlot.TimeWindow().Start()), | ||
| } | ||
|
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| extra.Epoch = &xatu.EpochV2{ | ||
| Number: &wrapperspb.UInt64Value{Value: epoch.Number()}, | ||
| StartDateTime: timestamppb.New(epoch.TimeWindow().Start()), | ||
| } | ||
|
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| extra.Propagation = &xatu.PropagationV2{ | ||
| SlotStartDiff: &wrapperspb.UInt64Value{ | ||
| //nolint:gosec // not concerned in reality | ||
| Value: uint64(e.now.Sub(attestionSlot.TimeWindow().Start()).Milliseconds()), | ||
| }, | ||
| } | ||
|
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| target := attestationData.Target | ||
|
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| // Build out the target section | ||
| targetEpoch := e.beacon.Metadata().Wallclock().Epochs().FromNumber(uint64(target.Epoch)) | ||
| extra.Target = &xatu.ClientMeta_AdditionalEthV1AttestationTargetV2Data{ | ||
| Epoch: &xatu.EpochV2{ | ||
| Number: &wrapperspb.UInt64Value{Value: targetEpoch.Number()}, | ||
| StartDateTime: timestamppb.New(targetEpoch.TimeWindow().Start()), | ||
| }, | ||
| } | ||
|
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| source := attestationData.Source | ||
|
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| // Build out the source section | ||
| sourceEpoch := e.beacon.Metadata().Wallclock().Epochs().FromNumber(uint64(source.Epoch)) | ||
| extra.Source = &xatu.ClientMeta_AdditionalEthV1AttestationSourceV2Data{ | ||
| Epoch: &xatu.EpochV2{ | ||
| Number: &wrapperspb.UInt64Value{Value: sourceEpoch.Number()}, | ||
| StartDateTime: timestamppb.New(sourceEpoch.TimeWindow().Start()), | ||
| }, | ||
| } | ||
|
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| extra.AttestingValidator = &xatu.AttestingValidatorV2{ | ||
| CommitteeIndex: &wrapperspb.UInt64Value{Value: uint64(e.event.CommitteeIndex)}, | ||
| Index: &wrapperspb.UInt64Value{Value: uint64(e.event.AttesterIndex)}, | ||
| } | ||
|
|
||
| return extra, nil | ||
| } |
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