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refactor(climimicry): handle singleattestation event
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| package clmimicry | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| v1 "github.com/ethpandaops/xatu/pkg/proto/eth/v1" | ||
| "github.com/ethpandaops/xatu/pkg/proto/libp2p" | ||
| "github.com/ethpandaops/xatu/pkg/proto/xatu" | ||
| "github.com/google/uuid" | ||
| "github.com/probe-lab/hermes/eth" | ||
| "github.com/probe-lab/hermes/host" | ||
| ethtypes "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1" | ||
| "google.golang.org/protobuf/proto" | ||
| "google.golang.org/protobuf/types/known/timestamppb" | ||
| "google.golang.org/protobuf/types/known/wrapperspb" | ||
| ) | ||
|
|
||
| func (m *Mimicry) handleGossipSingleAttestation( | ||
| ctx context.Context, | ||
| clientMeta *xatu.ClientMeta, | ||
| event *host.TraceEvent, | ||
| payload *eth.TraceEventSingleAttestation, | ||
| ) error { | ||
| if payload.SingleAttestation == nil || payload.SingleAttestation.GetData() == nil { | ||
| return fmt.Errorf("handleGossipSingleAttestation() called with nil attestation") | ||
| } | ||
|
|
||
| attestationData := payload.SingleAttestation.GetData() | ||
|
|
||
| attestation := &v1.Attestation{ | ||
| AggregationBits: string(""), | ||
| Data: &v1.AttestationData{ | ||
| Slot: uint64(attestationData.GetSlot()), | ||
| BeaconBlockRoot: fmt.Sprintf("0x%x", attestationData.GetBeaconBlockRoot()), | ||
| Source: &v1.Checkpoint{ | ||
| Epoch: uint64(attestationData.GetSource().GetEpoch()), | ||
| Root: fmt.Sprintf("0x%x", attestationData.GetSource().GetRoot()), | ||
| }, | ||
| Target: &v1.Checkpoint{ | ||
| Epoch: uint64(attestationData.GetTarget().GetEpoch()), | ||
| Root: fmt.Sprintf("0x%x", attestationData.GetTarget().GetRoot()), | ||
| }, | ||
| Index: uint64(attestationData.GetCommitteeIndex()), | ||
| }, | ||
| } | ||
|
|
||
| metadata, ok := proto.Clone(clientMeta).(*xatu.ClientMeta) | ||
| if !ok { | ||
| return fmt.Errorf("failed to clone client metadata") | ||
| } | ||
|
|
||
| additionalData, err := m.createAdditionalGossipSubSingleAttestationData(payload, attestationData, event) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create additional data: %w", err) | ||
| } | ||
|
|
||
| metadata.AdditionalData = &xatu.ClientMeta_Libp2PTraceGossipsubBeaconAttestation{ | ||
| Libp2PTraceGossipsubBeaconAttestation: additionalData, | ||
| } | ||
|
|
||
| decoratedEvent := &xatu.DecoratedEvent{ | ||
| Event: &xatu.Event{ | ||
| Name: xatu.Event_LIBP2P_TRACE_GOSSIPSUB_BEACON_ATTESTATION, | ||
| DateTime: timestamppb.New(event.Timestamp.Add(m.clockDrift)), | ||
| Id: uuid.New().String(), | ||
| }, | ||
| Meta: &xatu.Meta{ | ||
| Client: metadata, | ||
| }, | ||
| Data: &xatu.DecoratedEvent_Libp2PTraceGossipsubBeaconAttestation{ | ||
| Libp2PTraceGossipsubBeaconAttestation: attestation, | ||
| }, | ||
| } | ||
|
|
||
| return m.handleNewDecoratedEvent(ctx, decoratedEvent) | ||
| } | ||
|
|
||
| //nolint:gosec // int -> uint32 common conversion pattern in xatu. | ||
| func (m *Mimicry) createAdditionalGossipSubSingleAttestationData( | ||
| payload *eth.TraceEventSingleAttestation, | ||
| attestationData *ethtypes.AttestationData, | ||
| event *host.TraceEvent, | ||
| ) (*xatu.ClientMeta_AdditionalLibP2PTraceGossipSubBeaconAttestationData, error) { | ||
| wallclockSlot, wallclockEpoch, err := m.ethereum.Metadata().Wallclock().Now() | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to get wallclock time: %w", err) | ||
| } | ||
|
|
||
| // Add Clock Drift | ||
| timestampAdjusted := event.Timestamp.Add(m.clockDrift) | ||
|
|
||
| attestionSlot := m.ethereum.Metadata().Wallclock().Slots().FromNumber(uint64(attestationData.GetSlot())) | ||
| epoch := m.ethereum.Metadata().Wallclock().Epochs().FromSlot(uint64(attestationData.GetSlot())) | ||
|
|
||
| extra := &xatu.ClientMeta_AdditionalLibP2PTraceGossipSubBeaconAttestationData{ | ||
| WallclockSlot: &xatu.SlotV2{ | ||
| Number: &wrapperspb.UInt64Value{Value: wallclockSlot.Number()}, | ||
| StartDateTime: timestamppb.New(wallclockSlot.TimeWindow().Start()), | ||
| }, | ||
| WallclockEpoch: &xatu.EpochV2{ | ||
| Number: &wrapperspb.UInt64Value{Value: wallclockEpoch.Number()}, | ||
| StartDateTime: timestamppb.New(wallclockEpoch.TimeWindow().Start()), | ||
| }, | ||
| Slot: &xatu.SlotV2{ | ||
| Number: &wrapperspb.UInt64Value{Value: attestionSlot.Number()}, | ||
| StartDateTime: timestamppb.New(attestionSlot.TimeWindow().Start()), | ||
| }, | ||
| Epoch: &xatu.EpochV2{ | ||
| Number: &wrapperspb.UInt64Value{Value: epoch.Number()}, | ||
| StartDateTime: timestamppb.New(epoch.TimeWindow().Start()), | ||
| }, | ||
| Propagation: &xatu.PropagationV2{ | ||
| SlotStartDiff: &wrapperspb.UInt64Value{ | ||
| Value: uint64(timestampAdjusted.Sub(attestionSlot.TimeWindow().Start()).Milliseconds()), | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| targetEpoch := m.ethereum.Metadata().Wallclock().Epochs().FromNumber(uint64(attestationData.GetTarget().GetEpoch())) | ||
| extra.Target = &xatu.ClientMeta_AdditionalLibP2PTraceGossipSubBeaconAttestationTargetData{ | ||
| Epoch: &xatu.EpochV2{ | ||
| Number: &wrapperspb.UInt64Value{Value: targetEpoch.Number()}, | ||
| StartDateTime: timestamppb.New(targetEpoch.TimeWindow().Start()), | ||
| }, | ||
| } | ||
|
|
||
| sourceEpoch := m.ethereum.Metadata().Wallclock().Epochs().FromNumber(uint64(attestationData.GetSource().GetEpoch())) | ||
| extra.Source = &xatu.ClientMeta_AdditionalLibP2PTraceGossipSubBeaconAttestationSourceData{ | ||
| Epoch: &xatu.EpochV2{ | ||
| Number: &wrapperspb.UInt64Value{Value: sourceEpoch.Number()}, | ||
| StartDateTime: timestamppb.New(sourceEpoch.TimeWindow().Start()), | ||
| }, | ||
| } | ||
|
|
||
| extra.Metadata = &libp2p.TraceEventMetadata{PeerId: wrapperspb.String(payload.PeerID)} | ||
| extra.Topic = wrapperspb.String(payload.Topic) | ||
| extra.MessageId = wrapperspb.String(payload.MsgID) | ||
| extra.MessageSize = wrapperspb.UInt32(uint32(payload.MsgSize)) | ||
|
|
||
| return extra, nil | ||
| } |