prysm-pulse/beacon-chain/db/state_metrics.go
Preston Van Loon ac7d5a7780
Update state metrics on save state (#2083)
* Update state metrics on save state

* fix tests
2019-03-26 18:29:45 -05:00

55 lines
1.8 KiB
Go

package db
import (
"encoding/hex"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
"github.com/prysmaticlabs/prysm/shared/params"
)
var (
validatorBalancesGauge = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "state_validator_balances",
Help: "Balances of validators, updated on epoch transition",
}, []string{
"validator",
})
lastSlotGauge = promauto.NewGauge(prometheus.GaugeOpts{
Name: "state_last_slot",
Help: "Last slot number of the processed state",
})
lastJustifiedEpochGauge = promauto.NewGauge(prometheus.GaugeOpts{
Name: "state_last_justified_epoch",
Help: "Last justified epoch of the processed state",
})
lastPrevJustifiedEpochGauge = promauto.NewGauge(prometheus.GaugeOpts{
Name: "state_last_prev_justified_epoch",
Help: "Last prev justified epoch of the processed state",
})
lastFinalizedEpochGauge = promauto.NewGauge(prometheus.GaugeOpts{
Name: "state_last_finalized_epoch",
Help: "Last finalized epoch of the processed state",
})
)
func reportStateMetrics(state *pb.BeaconState) {
// Validator balances
for i, bal := range state.ValidatorBalances {
validatorBalancesGauge.WithLabelValues(
"0x" + hex.EncodeToString(state.ValidatorRegistry[i].Pubkey), // Validator
).Set(float64(bal))
}
s := params.BeaconConfig().GenesisSlot
e := params.BeaconConfig().GenesisEpoch
// Slot number
lastSlotGauge.Set(float64(state.Slot - s))
// Last justified slot
lastJustifiedEpochGauge.Set(float64(state.JustifiedEpoch - e))
// Last previous justified slot
lastPrevJustifiedEpochGauge.Set(float64(state.PreviousJustifiedEpoch - e))
// Last finalized slot
lastFinalizedEpochGauge.Set(float64(state.FinalizedEpoch - e))
}