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metrics.go
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metrics.go
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package blockchain
import (
"context"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
types "github.com/prysmaticlabs/eth2-types"
"github.com/prysmaticlabs/prysm/beacon-chain/core/altair"
"github.com/prysmaticlabs/prysm/beacon-chain/core/epoch/precompute"
"github.com/prysmaticlabs/prysm/beacon-chain/state"
"github.com/prysmaticlabs/prysm/config/params"
"github.com/prysmaticlabs/prysm/encoding/bytesutil"
ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
"github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1/block"
"github.com/prysmaticlabs/prysm/runtime/version"
)
var (
beaconSlot = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_slot",
Help: "Latest slot of the beacon chain state",
})
beaconHeadSlot = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_head_slot",
Help: "Slot of the head block of the beacon chain",
})
clockTimeSlot = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_clock_time_slot",
Help: "The current slot based on the genesis time and current clock",
})
headFinalizedEpoch = promauto.NewGauge(prometheus.GaugeOpts{
Name: "head_finalized_epoch",
Help: "Last finalized epoch of the head state",
})
headFinalizedRoot = promauto.NewGauge(prometheus.GaugeOpts{
Name: "head_finalized_root",
Help: "Last finalized root of the head state",
})
beaconFinalizedEpoch = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_finalized_epoch",
Help: "Last finalized epoch of the processed state",
})
beaconFinalizedRoot = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_finalized_root",
Help: "Last finalized root of the processed state",
})
beaconCurrentJustifiedEpoch = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_current_justified_epoch",
Help: "Current justified epoch of the processed state",
})
beaconCurrentJustifiedRoot = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_current_justified_root",
Help: "Current justified root of the processed state",
})
beaconPrevJustifiedEpoch = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_previous_justified_epoch",
Help: "Previous justified epoch of the processed state",
})
beaconPrevJustifiedRoot = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_previous_justified_root",
Help: "Previous justified root of the processed state",
})
activeValidatorCount = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_current_active_validators",
Help: "Current total active validators",
})
validatorsCount = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "validator_count",
Help: "The total number of validators",
}, []string{"state"})
validatorsBalance = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "validators_total_balance",
Help: "The total balance of validators, in GWei",
}, []string{"state"})
validatorsEffectiveBalance = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "validators_total_effective_balance",
Help: "The total effective balance of validators, in GWei",
}, []string{"state"})
currentEth1DataDepositCount = promauto.NewGauge(prometheus.GaugeOpts{
Name: "current_eth1_data_deposit_count",
Help: "The current eth1 deposit count in the last processed state eth1data field.",
})
processedDepositsCount = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_processed_deposits_total",
Help: "Total number of deposits processed",
})
stateTrieReferences = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "field_references",
Help: "The number of states a particular field is shared with.",
}, []string{"state"})
prevEpochActiveBalances = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_prev_epoch_active_gwei",
Help: "The total amount of ether, in gwei, that was active for voting of previous epoch",
})
prevEpochSourceBalances = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_prev_epoch_source_gwei",
Help: "The total amount of ether, in gwei, that has been used in voting attestation source of previous epoch",
})
prevEpochTargetBalances = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_prev_epoch_target_gwei",
Help: "The total amount of ether, in gwei, that has been used in voting attestation target of previous epoch",
})
prevEpochHeadBalances = promauto.NewGauge(prometheus.GaugeOpts{
Name: "beacon_prev_epoch_head_gwei",
Help: "The total amount of ether, in gwei, that has been used in voting attestation head of previous epoch",
})
reorgCount = promauto.NewCounter(prometheus.CounterOpts{
Name: "beacon_reorgs_total",
Help: "Count the number of times beacon chain has a reorg",
})
saveOrphanedAttCount = promauto.NewCounter(prometheus.CounterOpts{
Name: "saved_orphaned_att_total",
Help: "Count the number of times an orphaned attestation is saved",
})
attestationInclusionDelay = promauto.NewHistogram(
prometheus.HistogramOpts{
Name: "attestation_inclusion_delay_slots",
Help: "The number of slots between att.Slot and block.Slot",
Buckets: []float64{1, 2, 3, 4, 6, 32, 64},
},
)
syncHeadStateMiss = promauto.NewCounter(prometheus.CounterOpts{
Name: "sync_head_state_miss",
Help: "The number of sync head state requests that are not present in the cache.",
})
syncHeadStateHit = promauto.NewCounter(prometheus.CounterOpts{
Name: "sync_head_state_hit",
Help: "The number of sync head state requests that are present in the cache.",
})
)
// reportSlotMetrics reports slot related metrics.
func reportSlotMetrics(stateSlot, headSlot, clockSlot types.Slot, finalizedCheckpoint *ethpb.Checkpoint) {
clockTimeSlot.Set(float64(clockSlot))
beaconSlot.Set(float64(stateSlot))
beaconHeadSlot.Set(float64(headSlot))
if finalizedCheckpoint != nil {
headFinalizedEpoch.Set(float64(finalizedCheckpoint.Epoch))
headFinalizedRoot.Set(float64(bytesutil.ToLowInt64(finalizedCheckpoint.Root)))
}
}
// reportEpochMetrics reports epoch related metrics.
func reportEpochMetrics(ctx context.Context, postState, headState state.BeaconState) error {
currentEpoch := types.Epoch(postState.Slot() / params.BeaconConfig().SlotsPerEpoch)
// Validator instances
pendingInstances := 0
activeInstances := 0
slashingInstances := 0
slashedInstances := 0
exitingInstances := 0
exitedInstances := 0
// Validator balances
pendingBalance := uint64(0)
activeBalance := uint64(0)
activeEffectiveBalance := uint64(0)
exitingBalance := uint64(0)
exitingEffectiveBalance := uint64(0)
slashingBalance := uint64(0)
slashingEffectiveBalance := uint64(0)
for i, validator := range postState.Validators() {
bal, err := postState.BalanceAtIndex(types.ValidatorIndex(i))
if err != nil {
log.Errorf("Could not load validator balance: %v", err)
continue
}
if validator.Slashed {
if currentEpoch < validator.ExitEpoch {
slashingInstances++
slashingBalance += bal
slashingEffectiveBalance += validator.EffectiveBalance
} else {
slashedInstances++
}
continue
}
if validator.ExitEpoch != params.BeaconConfig().FarFutureEpoch {
if currentEpoch < validator.ExitEpoch {
exitingInstances++
exitingBalance += bal
exitingEffectiveBalance += validator.EffectiveBalance
} else {
exitedInstances++
}
continue
}
if currentEpoch < validator.ActivationEpoch {
pendingInstances++
pendingBalance += bal
continue
}
activeInstances++
activeBalance += bal
activeEffectiveBalance += validator.EffectiveBalance
}
activeInstances += exitingInstances + slashingInstances
activeBalance += exitingBalance + slashingBalance
activeEffectiveBalance += exitingEffectiveBalance + slashingEffectiveBalance
activeValidatorCount.Set(float64(activeInstances))
validatorsCount.WithLabelValues("Pending").Set(float64(pendingInstances))
validatorsCount.WithLabelValues("Active").Set(float64(activeInstances))
validatorsCount.WithLabelValues("Exiting").Set(float64(exitingInstances))
validatorsCount.WithLabelValues("Exited").Set(float64(exitedInstances))
validatorsCount.WithLabelValues("Slashing").Set(float64(slashingInstances))
validatorsCount.WithLabelValues("Slashed").Set(float64(slashedInstances))
validatorsBalance.WithLabelValues("Pending").Set(float64(pendingBalance))
validatorsBalance.WithLabelValues("Active").Set(float64(activeBalance))
validatorsBalance.WithLabelValues("Exiting").Set(float64(exitingBalance))
validatorsBalance.WithLabelValues("Slashing").Set(float64(slashingBalance))
validatorsEffectiveBalance.WithLabelValues("Active").Set(float64(activeEffectiveBalance))
validatorsEffectiveBalance.WithLabelValues("Exiting").Set(float64(exitingEffectiveBalance))
validatorsEffectiveBalance.WithLabelValues("Slashing").Set(float64(slashingEffectiveBalance))
// Last justified slot
beaconCurrentJustifiedEpoch.Set(float64(postState.CurrentJustifiedCheckpoint().Epoch))
beaconCurrentJustifiedRoot.Set(float64(bytesutil.ToLowInt64(postState.CurrentJustifiedCheckpoint().Root)))
// Last previous justified slot
beaconPrevJustifiedEpoch.Set(float64(postState.PreviousJustifiedCheckpoint().Epoch))
beaconPrevJustifiedRoot.Set(float64(bytesutil.ToLowInt64(postState.PreviousJustifiedCheckpoint().Root)))
// Last finalized slot
beaconFinalizedEpoch.Set(float64(postState.FinalizedCheckpointEpoch()))
beaconFinalizedRoot.Set(float64(bytesutil.ToLowInt64(postState.FinalizedCheckpoint().Root)))
currentEth1DataDepositCount.Set(float64(postState.Eth1Data().DepositCount))
processedDepositsCount.Set(float64(postState.Eth1DepositIndex() + 1))
var b *precompute.Balance
var v []*precompute.Validator
var err error
switch headState.Version() {
case version.Phase0:
// Validator participation should be viewed on the canonical chain.
v, b, err = precompute.New(ctx, headState)
if err != nil {
return err
}
_, b, err = precompute.ProcessAttestations(ctx, headState, v, b)
if err != nil {
return err
}
case version.Altair:
v, b, err = altair.InitializePrecomputeValidators(ctx, headState)
if err != nil {
return err
}
_, b, err = altair.ProcessEpochParticipation(ctx, headState, b, v)
if err != nil {
return err
}
default:
return errors.Errorf("invalid state type provided: %T", headState.InnerStateUnsafe())
}
prevEpochActiveBalances.Set(float64(b.ActivePrevEpoch))
prevEpochSourceBalances.Set(float64(b.PrevEpochAttested))
prevEpochTargetBalances.Set(float64(b.PrevEpochTargetAttested))
prevEpochHeadBalances.Set(float64(b.PrevEpochHeadAttested))
refMap := postState.FieldReferencesCount()
for name, val := range refMap {
stateTrieReferences.WithLabelValues(name).Set(float64(val))
}
return nil
}
func reportAttestationInclusion(blk block.BeaconBlock) {
for _, att := range blk.Body().Attestations() {
attestationInclusionDelay.Observe(float64(blk.Slot() - att.Data.Slot))
}
}