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package altda
import (
"github.com/ethereum-optimism/optimism/op-service/metrics"
"github.com/prometheus/client_golang/prometheus"
)
type Metricer interface {
RecordActiveChallenge(commBlock uint64, startBlock uint64, hash []byte)
RecordResolvedChallenge(hash []byte)
RecordExpiredChallenge(hash []byte)
RecordChallengesHead(name string, num uint64)
RecordStorageError()
}
type Metrics struct {
ChallengesStatus *prometheus.GaugeVec
ChallengesHead *prometheus.GaugeVec
StorageErrors *metrics.Event
}
var _ Metricer = (*Metrics)(nil)
func MakeMetrics(ns string, factory metrics.Factory) *Metrics {
return &Metrics{
ChallengesStatus: factory.NewGaugeVec(prometheus.GaugeOpts{
Namespace: ns,
Name: "challenges_status",
Help: "Gauge representing the status of challenges synced",
}, []string{"status"}),
ChallengesHead: factory.NewGaugeVec(prometheus.GaugeOpts{
Namespace: ns,
Name: "challenges_head",
Help: "Gauge representing the l1 heads of challenges synced",
}, []string{"type"}),
StorageErrors: metrics.NewEvent(factory, ns, "", "storage_errors", "errors when fetching or uploading to storage service"),
}
}
func (m *Metrics) RecordChallenge(status string) {
m.ChallengesStatus.WithLabelValues(status).Inc()
}
// RecordActiveChallenge records when a commitment is challenged including the block where the commitment
// is included, the block where the commitment was challenged and the commitment hash.
func (m *Metrics) RecordActiveChallenge(commBlock uint64, startBlock uint64, hash []byte) {
m.RecordChallenge("active")
}
func (m *Metrics) RecordResolvedChallenge(hash []byte) {
m.RecordChallenge("resolved")
}
func (m *Metrics) RecordExpiredChallenge(hash []byte) {
m.RecordChallenge("expired")
}
func (m *Metrics) RecordStorageError() {
m.StorageErrors.Record()
}
func (m *Metrics) RecordChallengesHead(name string, num uint64) {
m.ChallengesHead.WithLabelValues(name).Set(float64(num))
}
type NoopMetrics struct{}
func (m *NoopMetrics) RecordActiveChallenge(commBlock uint64, startBlock uint64, hash []byte) {}
func (m *NoopMetrics) RecordResolvedChallenge(hash []byte) {}
func (m *NoopMetrics) RecordExpiredChallenge(hash []byte) {}
func (m *NoopMetrics) RecordChallengesHead(name string, num uint64) {}
func (m *NoopMetrics) RecordStorageError() {}