fix: updated contracts

pkg/transactor/metrics.go

@@ -0,0 +1,61 @@
+package transactor
+
+import "github.com/prometheus/client_golang/prometheus"
+
+const (
+	defaultNamespace = "mev_commit_oracle"
+	subsystem        = "settler"
+)
+
+type metrics struct {
+	LastConfirmedNonce prometheus.Gauge
+	LastUsedNonce      prometheus.Gauge
+	LastSentNonce      prometheus.Gauge
+	LastConfirmedBlock prometheus.Gauge
+}
+
+func newMetrics() *metrics {
+	m := &metrics{}
+	m.LastConfirmedNonce = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Namespace: defaultNamespace,
+			Subsystem: subsystem,
+			Name:      "last_confirmed_nonce",
+			Help:      "Last confirmed nonce",
+		},
+	)
+	m.LastUsedNonce = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Namespace: defaultNamespace,
+			Subsystem: subsystem,
+			Name:      "last_used_nonce",
+			Help:      "Last used nonce",
+		},
+	)
+	m.LastConfirmedBlock = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Namespace: defaultNamespace,
+			Subsystem: subsystem,
+			Name:      "last_confirmed_block",
+			Help:      "Last confirmed block",
+		},
+	)
+	m.LastSentNonce = prometheus.NewGauge(
+		prometheus.GaugeOpts{
+			Namespace: defaultNamespace,
+			Subsystem: subsystem,
+			Name:      "last_sent_nonce",
+			Help:      "Last sent nonce",
+		},
+	)
+	return m
+}
+
+func (m *metrics) Collectors() []prometheus.Collector {
+	return []prometheus.Collector{
+		m.LastConfirmedNonce,
+		m.LastUsedNonce,
+		m.LastConfirmedBlock,
+		m.LastSentNonce,
+	}
+}