vrfcommon

var (
	MetricQueueSize = promauto.NewGaugeVec(prometheus.GaugeOpts{
		Name: "vrf_request_queue_size",
		Help: "The number of VRF requests currently in the in-memory queue.",
	}, []string{"job_name", "external_job_id", "vrf_version"})

	MetricProcessedReqs = promauto.NewCounterVec(prometheus.CounterOpts{
		Name: "vrf_processed_request_count",
		Help: "The number of VRF requests processed.",
	}, []string{"job_name", "external_job_id", "vrf_version"})

	MetricDroppedRequests = promauto.NewCounterVec(prometheus.CounterOpts{
		Name: "vrf_dropped_request_count",
		Help: "The number of VRF requests dropped due to reasons such as expiry or mailbox size.",
	}, []string{"job_name", "external_job_id", "vrf_version", "drop_reason"})

	MetricDupeRequests = promauto.NewCounterVec(prometheus.CounterOpts{
		Name: "vrf_duplicate_requests",
		Help: "The number of times the VRF listener receives duplicate requests, which could indicate a reorg.",
	}, []string{"job_name", "external_job_id", "vrf_version"})

	MetricTimeBetweenSims = promauto.NewHistogramVec(prometheus.HistogramOpts{
		Name: "vrf_request_time_between_sims",
		Help: "How long a VRF request sits in the in-memory queue in between simulation attempts.",
		Buckets: []float64{
			float64(time.Second),
			float64(30 * time.Second),
			float64(time.Minute),
			float64(2 * time.Minute),
			float64(5 * time.Minute),
		},
	}, []string{"job_name", "external_job_id", "vrf_version"})

	MetricTimeUntilInitialSim = promauto.NewHistogramVec(prometheus.HistogramOpts{
		Name: "vrf_request_time_until_initial_sim",
		Help: "How long a VRF request sits in the in-memory queue until it gets simulated for the first time.",
		Buckets: []float64{
			float64(time.Second),
			float64(30 * time.Second),
			float64(time.Minute),
			float64(2 * time.Minute),
			float64(5 * time.Minute),
		},
	}, []string{"job_name", "external_job_id", "vrf_version"})
)

var (
	ErrKeyNotSet = errors.New("key not set")
)