doesdonts3.dart

class VerificationBloc extends Bloc<VerificationEvent, VerificationState> {
 
 VerificationInfo verification;
 
 IVerificationService verificationService = VerificationService();
 @override
 VerificationState get initialState => VerificationInitial();
 
 @override
 Stream<VerificationState> mapEventToState(
   VerificationEvent event,
 ) async* {
   if(event is FeatchVerificationDataEvent){
 
     if(verification == null){
       verification = await verificationService.fetchVerificationData(verificationsUrl);
    
       yield VerificationDataResponseState(verificationData: verification);
     }
    
   }
 }
}