prysm-pulse/beacon-chain/monitor/process_attestation.go
terencechain d17996f8b0
Update to V4 🚀 (#12134)
* Update V3 from V4

* Fix build v3 -> v4

* Update ssz

* Update beacon_chain.pb.go

* Fix formatter import

* Update update-mockgen.sh comment to v4

* Fix conflicts. Pass build and tests

* Fix test
2023-03-17 18:52:56 +00:00

228 lines
8.9 KiB
Go

package monitor
import (
"context"
"fmt"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/altair"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/helpers"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/state"
"github.com/prysmaticlabs/prysm/v4/config/params"
"github.com/prysmaticlabs/prysm/v4/consensus-types/interfaces"
"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
"github.com/prysmaticlabs/prysm/v4/encoding/bytesutil"
ethpb "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
"github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1/attestation"
"github.com/prysmaticlabs/prysm/v4/runtime/version"
"github.com/prysmaticlabs/prysm/v4/time/slots"
"github.com/sirupsen/logrus"
)
// canUpdateAttestedValidator returns true if the validator is tracked and if the
// given slot is different than the last attested slot from this validator.
// It assumes that a read lock is held on the monitor service.
func (s *Service) canUpdateAttestedValidator(idx primitives.ValidatorIndex, slot primitives.Slot) bool {
if !s.trackedIndex(idx) {
return false
}
if lp, ok := s.latestPerformance[idx]; ok {
return lp.attestedSlot != slot
}
return false
}
// attestingIndices returns the indices of validators that participated in the given aggregated attestation.
func attestingIndices(ctx context.Context, state state.BeaconState, att *ethpb.Attestation) ([]uint64, error) {
committee, err := helpers.BeaconCommitteeFromState(ctx, state, att.Data.Slot, att.Data.CommitteeIndex)
if err != nil {
return nil, err
}
return attestation.AttestingIndices(att.AggregationBits, committee)
}
// logMessageTimelyFlagsForIndex returns the log message with performance info for the attestation (head, source, target)
func logMessageTimelyFlagsForIndex(idx primitives.ValidatorIndex, data *ethpb.AttestationData) logrus.Fields {
return logrus.Fields{
"ValidatorIndex": idx,
"Slot": data.Slot,
"Source": fmt.Sprintf("%#x", bytesutil.Trunc(data.Source.Root)),
"Target": fmt.Sprintf("%#x", bytesutil.Trunc(data.Target.Root)),
"Head": fmt.Sprintf("%#x", bytesutil.Trunc(data.BeaconBlockRoot)),
}
}
// processAttestations logs the event for the tracked validators' attestations inclusion in block
func (s *Service) processAttestations(ctx context.Context, state state.BeaconState, blk interfaces.ReadOnlyBeaconBlock) {
if blk == nil || blk.Body() == nil {
return
}
for _, att := range blk.Body().Attestations() {
s.processIncludedAttestation(ctx, state, att)
}
}
// processIncludedAttestation logs in the event for the tracked validators' and their latest attestation gets processed.
func (s *Service) processIncludedAttestation(ctx context.Context, state state.BeaconState, att *ethpb.Attestation) {
attestingIndices, err := attestingIndices(ctx, state, att)
if err != nil {
log.WithError(err).Error("Could not get attesting indices")
return
}
s.Lock()
defer s.Unlock()
for _, idx := range attestingIndices {
if s.canUpdateAttestedValidator(primitives.ValidatorIndex(idx), att.Data.Slot) {
logFields := logMessageTimelyFlagsForIndex(primitives.ValidatorIndex(idx), att.Data)
balance, err := state.BalanceAtIndex(primitives.ValidatorIndex(idx))
if err != nil {
log.WithError(err).Error("Could not get balance")
return
}
aggregatedPerf := s.aggregatedPerformance[primitives.ValidatorIndex(idx)]
aggregatedPerf.totalAttestedCount++
aggregatedPerf.totalRequestedCount++
latestPerf := s.latestPerformance[primitives.ValidatorIndex(idx)]
balanceChg := int64(balance - latestPerf.balance)
latestPerf.balanceChange = balanceChg
latestPerf.balance = balance
latestPerf.attestedSlot = att.Data.Slot
latestPerf.inclusionSlot = state.Slot()
inclusionSlotGauge.WithLabelValues(fmt.Sprintf("%d", idx)).Set(float64(latestPerf.inclusionSlot))
aggregatedPerf.totalDistance += uint64(latestPerf.inclusionSlot - latestPerf.attestedSlot)
if state.Version() == version.Altair {
targetIdx := params.BeaconConfig().TimelyTargetFlagIndex
sourceIdx := params.BeaconConfig().TimelySourceFlagIndex
headIdx := params.BeaconConfig().TimelyHeadFlagIndex
var participation []byte
if slots.ToEpoch(latestPerf.inclusionSlot) ==
slots.ToEpoch(latestPerf.attestedSlot) {
participation, err = state.CurrentEpochParticipation()
if err != nil {
log.WithError(err).Error("Could not get current epoch participation")
return
}
} else {
participation, err = state.PreviousEpochParticipation()
if err != nil {
log.WithError(err).Error("Could not get previous epoch participation")
return
}
}
flags := participation[idx]
hasFlag, err := altair.HasValidatorFlag(flags, sourceIdx)
if err != nil {
log.WithError(err).Error("Could not get timely Source flag")
return
}
latestPerf.timelySource = hasFlag
hasFlag, err = altair.HasValidatorFlag(flags, headIdx)
if err != nil {
log.WithError(err).Error("Could not get timely Head flag")
return
}
latestPerf.timelyHead = hasFlag
hasFlag, err = altair.HasValidatorFlag(flags, targetIdx)
if err != nil {
log.WithError(err).Error("Could not get timely Target flag")
return
}
latestPerf.timelyTarget = hasFlag
if latestPerf.timelySource {
timelySourceCounter.WithLabelValues(fmt.Sprintf("%d", idx)).Inc()
aggregatedPerf.totalCorrectSource++
}
if latestPerf.timelyHead {
timelyHeadCounter.WithLabelValues(fmt.Sprintf("%d", idx)).Inc()
aggregatedPerf.totalCorrectHead++
}
if latestPerf.timelyTarget {
timelyTargetCounter.WithLabelValues(fmt.Sprintf("%d", idx)).Inc()
aggregatedPerf.totalCorrectTarget++
}
}
logFields["CorrectHead"] = latestPerf.timelyHead
logFields["CorrectSource"] = latestPerf.timelySource
logFields["CorrectTarget"] = latestPerf.timelyTarget
logFields["InclusionSlot"] = latestPerf.inclusionSlot
logFields["NewBalance"] = balance
logFields["BalanceChange"] = balanceChg
s.latestPerformance[primitives.ValidatorIndex(idx)] = latestPerf
s.aggregatedPerformance[primitives.ValidatorIndex(idx)] = aggregatedPerf
log.WithFields(logFields).Info("Attestation included")
}
}
}
// processUnaggregatedAttestation logs when the beacon node observes an unaggregated attestation from tracked validator.
func (s *Service) processUnaggregatedAttestation(ctx context.Context, att *ethpb.Attestation) {
s.RLock()
defer s.RUnlock()
root := bytesutil.ToBytes32(att.Data.BeaconBlockRoot)
st := s.config.StateGen.StateByRootIfCachedNoCopy(root)
if st == nil {
log.WithField("BeaconBlockRoot", fmt.Sprintf("%#x", bytesutil.Trunc(root[:]))).Debug(
"Skipping unaggregated attestation due to state not found in cache")
return
}
attestingIndices, err := attestingIndices(ctx, st, att)
if err != nil {
log.WithError(err).Error("Could not get attesting indices")
return
}
for _, idx := range attestingIndices {
if s.canUpdateAttestedValidator(primitives.ValidatorIndex(idx), att.Data.Slot) {
logFields := logMessageTimelyFlagsForIndex(primitives.ValidatorIndex(idx), att.Data)
log.WithFields(logFields).Info("Processed unaggregated attestation")
}
}
}
// processUnaggregatedAttestation logs when the beacon node observes an aggregated attestation from tracked validator.
func (s *Service) processAggregatedAttestation(ctx context.Context, att *ethpb.AggregateAttestationAndProof) {
s.Lock()
defer s.Unlock()
if s.trackedIndex(att.AggregatorIndex) {
log.WithFields(logrus.Fields{
"AggregatorIndex": att.AggregatorIndex,
"Slot": att.Aggregate.Data.Slot,
"BeaconBlockRoot": fmt.Sprintf("%#x", bytesutil.Trunc(
att.Aggregate.Data.BeaconBlockRoot)),
"SourceRoot": fmt.Sprintf("%#x", bytesutil.Trunc(
att.Aggregate.Data.Source.Root)),
"TargetRoot": fmt.Sprintf("%#x", bytesutil.Trunc(
att.Aggregate.Data.Target.Root)),
}).Info("Processed attestation aggregation")
aggregatedPerf := s.aggregatedPerformance[att.AggregatorIndex]
aggregatedPerf.totalAggregations++
s.aggregatedPerformance[att.AggregatorIndex] = aggregatedPerf
aggregationCounter.WithLabelValues(fmt.Sprintf("%d", att.AggregatorIndex)).Inc()
}
var root [32]byte
copy(root[:], att.Aggregate.Data.BeaconBlockRoot)
st := s.config.StateGen.StateByRootIfCachedNoCopy(root)
if st == nil {
log.WithField("BeaconBlockRoot", fmt.Sprintf("%#x", bytesutil.Trunc(root[:]))).Debug(
"Skipping aggregated attestation due to state not found in cache")
return
}
attestingIndices, err := attestingIndices(ctx, st, att.Aggregate)
if err != nil {
log.WithError(err).Error("Could not get attesting indices")
return
}
for _, idx := range attestingIndices {
if s.canUpdateAttestedValidator(primitives.ValidatorIndex(idx), att.Aggregate.Data.Slot) {
logFields := logMessageTimelyFlagsForIndex(primitives.ValidatorIndex(idx), att.Aggregate.Data)
log.WithFields(logFields).Info("Processed aggregated attestation")
}
}
}