metrics

type Metrics interface {
	IsMetricsEnabled() bool

	// HTTPHandler returns the HTTP handler of this metrics registry
	HTTPHandler() http.Handler

	GetAPIServerRESTHTTPMiddleware() func(next http.Handler) http.Handler

	// functions for transaction handler to define and emit metrics
	TransactionHandlerMetrics
}

type TransactionHandlerMetrics interface {
	txhandler.TransactionMetrics
}