package consensus import ( "github.com/go-kit/kit/metrics" "github.com/go-kit/kit/metrics/discard" prometheus "github.com/go-kit/kit/metrics/prometheus" stdprometheus "github.com/prometheus/client_golang/prometheus" ) const MetricsSubsystem = "consensus" // Metrics contains metrics exposed by this package. type Metrics struct { // Height of the chain. Height metrics.Gauge // Number of rounds. Rounds metrics.Gauge // Number of validators. Validators metrics.Gauge // Total power of all validators. ValidatorsPower metrics.Gauge // Number of validators who did not sign. MissingValidators metrics.Gauge // Total power of the missing validators. MissingValidatorsPower metrics.Gauge // Number of validators who tried to double sign. ByzantineValidators metrics.Gauge // Total power of the byzantine validators. ByzantineValidatorsPower metrics.Gauge // Time between this and the last block. BlockIntervalSeconds metrics.Gauge // Number of transactions. NumTxs metrics.Gauge // Size of the block. BlockSizeBytes metrics.Gauge // Total number of transactions. TotalTxs metrics.Gauge // The latest block height. CommittedHeight metrics.Gauge // Whether or not a node is fast syncing. 1 if yes, 0 if no. FastSyncing metrics.Gauge } // PrometheusMetrics returns Metrics build using Prometheus client library. func PrometheusMetrics(namespace string) *Metrics { return &Metrics{ Height: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "height", Help: "Height of the chain.", }, []string{}), Rounds: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "rounds", Help: "Number of rounds.", }, []string{}), Validators: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "validators", Help: "Number of validators.", }, []string{}), ValidatorsPower: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "validators_power", Help: "Total power of all validators.", }, []string{}), MissingValidators: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "missing_validators", Help: "Number of validators who did not sign.", }, []string{}), MissingValidatorsPower: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "missing_validators_power", Help: "Total power of the missing validators.", }, []string{}), ByzantineValidators: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "byzantine_validators", Help: "Number of validators who tried to double sign.", }, []string{}), ByzantineValidatorsPower: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "byzantine_validators_power", Help: "Total power of the byzantine validators.", }, []string{}), BlockIntervalSeconds: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "block_interval_seconds", Help: "Time between this and the last block.", }, []string{}), NumTxs: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "num_txs", Help: "Number of transactions.", }, []string{}), BlockSizeBytes: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "block_size_bytes", Help: "Size of the block.", }, []string{}), TotalTxs: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "total_txs", Help: "Total number of transactions.", }, []string{}), CommittedHeight: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "latest_block_height", Help: "The latest block height.", }, []string{}), FastSyncing: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: MetricsSubsystem, Name: "fast_syncing", Help: "Whether or not a node is fast syncing. 1 if yes, 0 if no.", }, []string{}), } } // NopMetrics returns no-op Metrics. func NopMetrics() *Metrics { return &Metrics{ Height: discard.NewGauge(), Rounds: discard.NewGauge(), Validators: discard.NewGauge(), ValidatorsPower: discard.NewGauge(), MissingValidators: discard.NewGauge(), MissingValidatorsPower: discard.NewGauge(), ByzantineValidators: discard.NewGauge(), ByzantineValidatorsPower: discard.NewGauge(), BlockIntervalSeconds: discard.NewGauge(), NumTxs: discard.NewGauge(), BlockSizeBytes: discard.NewGauge(), TotalTxs: discard.NewGauge(), CommittedHeight: discard.NewGauge(), FastSyncing: discard.NewGauge(), } }