[#382] Refactor neofs related types

Signed-off-by: Denis Kirillov <denis@nspcc.ru>

api/layer/container.go

@@ -127,7 +127,7 @@ func (n *layer) createContainer(ctx context.Context, p *CreateBucketParams) (*da
 	bktInfo := &data.BucketInfo{
 		Name:               p.Name,
 		Owner:              n.Owner(ctx),
-		Created:            time.Now(),
+		Created:            time.Now(), // this can be a little incorrect since the real time is set later
 		BasicACL:           p.ACL,
 		LocationConstraint: p.LocationConstraint,
 		ObjectLockEnabled:  p.ObjectLockEnabled,
@@ -152,7 +152,6 @@ func (n *layer) createContainer(ctx context.Context, p *CreateBucketParams) (*da
 		Policy:               *p.Policy,
 		Name:                 p.Name,
 		SessionToken:         p.SessionToken,
-		Time:                 bktInfo.Created,
 		BasicACL:             acl.BasicACL(p.ACL),
 		AdditionalAttributes: attributes,
 	}); err != nil {

api/layer/neofs/neofs.go

@@ -33,9 +33,6 @@ type PrmContainerCreate struct {
 	// Token of the container's creation session. Nil means session absence.
 	SessionToken *session.Token
 
-	// Time when container is created.
-	Time time.Time
-
 	// Basic ACL of the container.
 	BasicACL acl.BasicACL
 
@@ -144,6 +141,7 @@ var ErrAccessDenied = errors.New("access denied")
 // NeoFS represents virtual connection to NeoFS network.
 type NeoFS interface {
 	// CreateContainer creates and saves parameterized container in NeoFS.
+	// It sets 'Timestamp' attribute to current time.
 	// Returns ID of the saved container.
 	//
 	// Returns exactly one non-nil value. Returns any error encountered which
@@ -206,6 +204,7 @@ type NeoFS interface {
 	ReadObject(context.Context, PrmObjectRead) (*ObjectPart, error)
 
 	// CreateObject creates and saves parameterized object in the NeoFS container.
+	// It sets 'Timestamp' attribute to current time.
 	// Returns ID of the saved object.
 	//
 	// Creation time should be written into object (UTC).