[#17] Add morph client metrics

Signed-off-by: Alejandro Lopez <a.lopez@yadro.com>

pkg/morph/client/constructor.go

@@ -8,6 +8,7 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/metrics"
+	morphmetrics "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/metrics"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
 	lru "github.com/hashicorp/golang-lru/v2"
 	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
@@ -32,6 +33,8 @@ type cfg struct {
 
 	logger *logger.Logger // logging component
 
+	metrics morphmetrics.Register
+
 	waitInterval time.Duration
 
 	signer *transaction.Signer
@@ -60,6 +63,7 @@ func defaultConfig() *cfg {
 	return &cfg{
 		dialTimeout:  defaultDialTimeout,
 		logger:       &logger.Logger{Logger: zap.L()},
+		metrics:      morphmetrics.NoopRegister{},
 		waitInterval: defaultWaitInterval,
 		signer: &transaction.Signer{
 			Scopes: transaction.Global,
@@ -80,6 +84,7 @@ func defaultConfig() *cfg {
 //   - signer with the global scope;
 //   - wait interval: 500ms;
 //   - logger: &logger.Logger{Logger: zap.L()}.
+//   - metrics: metrics.NoopRegister
 //
 // If desired option satisfies the default value, it can be omitted.
 // If multiple options of the same config value are supplied,
@@ -109,6 +114,7 @@ func New(ctx context.Context, key *keys.PrivateKey, opts ...Option) (*Client, er
 	cli := &Client{
 		cache:     newClientCache(cfg.morphCacheMetrics),
 		logger:    cfg.logger,
+		metrics:   cfg.metrics,
 		acc:       acc,
 		accAddr:   accAddr,
 		cfg:       *cfg,
@@ -235,6 +241,20 @@ func WithLogger(logger *logger.Logger) Option {
 	}
 }
 
+// WithMetrics returns a client constructor option
+// that specifies the component for reporting metrics.
+//
+// Ignores nil value.
+//
+// If option not provided, NoopMetrics is used.
+func WithMetrics(metrics morphmetrics.Register) Option {
+	return func(c *cfg) {
+		if metrics != nil {
+			c.metrics = metrics
+		}
+	}
+}
+
 // WithSigner returns a client constructor option
 // that specifies the signer and the scope of the transaction.
 //