GO-4666: fix lint

Signed-off-by: AnastasiaShemyakinskaya <[email protected]>

core/block/editor/userdataobject/userdata.go

@@ -31,9 +31,6 @@ type userDataObject struct {
 	storeSource source.Store
 	crdtDb      anystore.DB
 	arenaPool   *anyenc.ArenaPool
-
-	ctx    context.Context
-	cancel context.CancelFunc
 }
 
 func New(sb smartblock.SmartBlock, crdtDb anystore.DB) UserDataObject {
@@ -46,7 +43,6 @@ func New(sb smartblock.SmartBlock, crdtDb anystore.DB) UserDataObject {
 }
 
 func (u *userDataObject) Init(ctx *smartblock.InitContext) error {
-	u.ctx, u.cancel = context.WithCancel(context.Background())
 	err := u.SmartBlock.Init(ctx)
 	if err != nil {
 		return err
@@ -69,11 +65,6 @@ func (u *userDataObject) Init(ctx *smartblock.InitContext) error {
 	return nil
 }
 
-func (u *userDataObject) Close() error {
-	u.cancel()
-	return u.SmartBlock.Close()
-}
-
 func (u *userDataObject) SaveContact(ctx context.Context, contact *Contact) error {
 	arena := u.arenaPool.Get()
 	defer func() {

core/contact/service.go

@@ -91,11 +91,11 @@ func (s *service) Run(ctx context.Context) (err error) {
 func (s *service) registerContact(ctx context.Context, contact *userdataobject.Contact) error {
 	key, err := decodeAESKeyFromBase64(contact.Key())
 	if err != nil {
-		return fmt.Errorf("failed to register contact identity %s", err)
+		return fmt.Errorf("failed to register contact identity %w", err)
 	}
 	err = s.identityService.RegisterIdentity(s.spaceService.TechSpaceId(), contact.Identity(), key, s.handleIdentityUpdate)
 	if err != nil {
-		return fmt.Errorf("failed to register contact identity %s", err)
+		return fmt.Errorf("failed to register contact identity %w", err)
 	}
 	s.applyContactStoreData(contact)
 	return nil