package mempool 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" ) // Metrics contains metrics exposed by this package. // see MetricsProvider for descriptions. type Metrics struct { // Size of the mempool. Size metrics.Gauge } // PrometheusMetrics returns Metrics build using Prometheus client library. func PrometheusMetrics(namespace string) *Metrics { return &Metrics{ Size: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{ Namespace: namespace, Subsystem: "mempool", Name: "size", Help: "Size of the mempool (number of uncommitted transactions).", }, []string{}), } } // NopMetrics returns no-op Metrics. func NopMetrics() *Metrics { return &Metrics{ Size: discard.NewGauge(), } }