metric

type Meter struct {
	MP         *sdkmetric.MeterProvider
	Meter      otelmetric.Meter
	Prometheus *PrometheusExporter
	// contains filtered or unexported fields
}

type PrometheusExporter struct {
	Reader  sdkmetric.Reader
	Handler http.Handler
}

type VCI struct {
	// OffersCreated counts credential offers generated.
	// Attributes: grant_type, credential_config_id, source
	OffersCreated metric.Int64Counter

	// TokensIssued counts access tokens issued at the token endpoint.
	// Attributes: grant_type
	TokensIssued metric.Int64Counter

	// CredentialsIssued counts successfully issued credentials.
	// Attributes: format, credential_config_id
	CredentialsIssued metric.Int64Counter

	// CredentialsFailed counts credential issuance failures.
	// Attributes: format, error_class
	CredentialsFailed metric.Int64Counter

	// DeferredCredentials counts deferred credential retrievals.
	// Attributes: status (issued, pending, expired)
	DeferredCredentials metric.Int64Counter

	// Notifications counts wallet notification events.
	// Attributes: event (credential_accepted, credential_failure)
	Notifications metric.Int64Counter

	// TokenLatency records token endpoint request duration.
	// Attributes: grant_type
	TokenLatency metric.Float64Histogram

	// IssuanceLatency records credential endpoint request duration.
	// Attributes: format
	IssuanceLatency metric.Float64Histogram
}

type VP struct {
	// RequestsCreated counts verification request objects created.
	// Attributes: (none — all requests are equivalent)
	RequestsCreated metric.Int64Counter

	// PresentationsReceived counts VP tokens received via direct_post.
	// Attributes: format
	PresentationsReceived metric.Int64Counter

	// VerificationsFailed counts presentation verification failures.
	// Attributes: error_class
	VerificationsFailed metric.Int64Counter

	// VerificationLatency records direct_post processing duration.
	// Attributes: (none)
	VerificationLatency metric.Float64Histogram
}