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feat: add attestation bit position #30

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merged 5 commits into from
May 28, 2024
Merged

feat: add attestation bit position #30

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f3dd36c
Merge pull request #2 from probe-lab/main
samcm Apr 22, 2024
70956a0
Merge pull request #5 from probe-lab/main
samcm May 27, 2024
603eb2d
feat: Add AggregatePos field to attestation payload
samcm May 27, 2024
4ef3d15
refactor: Simplify payload creation in handleAttestation
samcm May 27, 2024
c4398d8
fix: Update method call to retrieve aggregation bit count
samcm May 27, 2024
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34 changes: 22 additions & 12 deletions eth/pubsub.go
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Original file line number Diff line number Diff line change
Expand Up @@ -197,23 +197,33 @@ func (p *PubSub) handleAttestation(ctx context.Context, msg *pubsub.Message) err
return fmt.Errorf("decode attestation gossip message: %w", err)
}

payload := map[string]any{
"PeerID": msg.ReceivedFrom.String(),
"MsgID": hex.EncodeToString([]byte(msg.ID)),
"MsgSize": len(msg.Data),
"Topic": msg.GetTopic(),
"Seq": msg.GetSeqno(),
"CommIdx": attestation.GetData().GetCommitteeIndex(),
"Slot": attestation.GetData().GetSlot(),
"BeaconBlockRoot": attestation.GetData().GetBeaconBlockRoot(),
"Source": attestation.GetData().GetSource(),
"Target": attestation.GetData().GetTarget(),
}

// If the attestation only has one aggregation bit set, we can add an additional field to the payload
// that denotes _which_ aggregation bit is set. This is required to determine which validator created the attestation.
// In the pursuit of reducing the amount of data stored in the data stream we omit this field if the attestation is
// aggregated.
if attestation.GetAggregationBits().Count() == 1 {
payload["AggregatePos"] = attestation.AggregationBits.BitIndices()[0]
}

now := time.Now()
evt := &host.TraceEvent{
Type: eventTypeHandleMessage,
PeerID: p.host.ID(),
Timestamp: now,
Payload: map[string]any{
"PeerID": msg.ReceivedFrom.String(),
"MsgID": hex.EncodeToString([]byte(msg.ID)),
"MsgSize": len(msg.Data),
"Topic": msg.GetTopic(),
"Seq": msg.GetSeqno(),
"CommIdx": attestation.GetData().GetCommitteeIndex(),
"Slot": attestation.GetData().GetSlot(),
"BeaconBlockRoot": attestation.GetData().GetBeaconBlockRoot(),
"Source": attestation.GetData().GetSource(),
"Target": attestation.GetData().GetTarget(),
},
Payload: payload,
}

if err := p.cfg.DataStream.PutRecord(ctx, evt); err != nil {
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