Introduce metrics to go-ibft (#85)

metrics added

.golangci.yml

@@ -83,6 +83,8 @@ linters-settings:
 
   goimports:
     local-prefixes: github.com/0xPolygon/go-ibft
+                    github.com/armon/go-metrics
+    
 
   nestif:
     min-complexity: 4

core/ibft.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/0xPolygon/go-ibft/messages"
 	"github.com/0xPolygon/go-ibft/messages/proto"
+	"github.com/armon/go-metrics"
 )
 
 // Logger represents the logger behaviour
@@ -133,11 +134,18 @@ func NewIBFT(
 	}
 }
 
+// SetMeasurementTime function set duration to gauge
+func SetMeasurementTime(prefix string, startTime time.Time) {
+	metrics.SetGauge([]string{"go-ibft", prefix, "duration"}, float32(time.Since(startTime).Seconds()))
+}
+
 // startRoundTimer starts the exponential round timer, based on the
 // passed in round number
 func (i *IBFT) startRoundTimer(ctx context.Context, round uint64) {
 	defer i.wg.Done()
 
+	startTime := time.Now()
+
 	roundTimeout := getRoundTimeout(i.baseRoundTimeout, i.additionalTimeout, round)
 
 	//	Create a new timer instance
@@ -145,6 +153,7 @@ func (i *IBFT) startRoundTimer(ctx context.Context, round uint64) {
 
 	select {
 	case <-ctx.Done():
+		SetMeasurementTime("round", startTime)
 		// Stop signal received, stop the timer
 		timer.Stop()
 	case <-timer.C:
@@ -292,6 +301,8 @@ func (i *IBFT) watchForRoundChangeCertificates(ctx context.Context) {
 
 // RunSequence runs the IBFT sequence for the specified height
 func (i *IBFT) RunSequence(ctx context.Context, h uint64) {
+	startTime := time.Now()
+
 	// Set the starting state data
 	i.state.reset(h)
 
@@ -306,6 +317,7 @@ func (i *IBFT) RunSequence(ctx context.Context, h uint64) {
 
 	i.log.Info("sequence started", "height", h)
 	defer i.log.Info("sequence done", "height", h)
+	defer SetMeasurementTime("sequence", startTime)
 
 	for {
 		view := i.state.getView()

go.mod

@@ -3,6 +3,7 @@ module github.com/0xPolygon/go-ibft
 go 1.19
 
 require (
+	github.com/armon/go-metrics v0.4.1
 	github.com/golang/protobuf v1.5.0
 	github.com/google/uuid v1.3.0
 	github.com/stretchr/testify v1.8.1
@@ -13,6 +14,8 @@ require (
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/hashicorp/go-immutable-radix v1.0.0 // indirect
+	github.com/hashicorp/golang-lru v0.5.0 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -1,36 +1,124 @@
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