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-(IBAction)attachButton:(id)sender{
    __block NSString *urlString;

    md5 *currentMd5 = [[md5 alloc] init];
    NSString *helpString = [NSString stringWithFormat:@"/method/photos.getMessagesUploadServer?access_token=%@%@",
                            [[NSUserDefaults standardUserDefaults] objectForKey:@"accessToken"],
                            [[NSUserDefaults standardUserDefaults] objectForKey:@"secret"]];
    helpString = [currentMd5 md5:helpString];
    NSString *requestHelpString = [NSString stringWithFormat:@"%@/method/photos.getMessagesUploadServer?access_token=%@&sig=%@",
                                   vkAPI, [[NSUserDefaults standardUserDefaults] objectForKey:@"accessToken"], helpString];
    [[LRResty client] get:requestHelpString withBlock:^(LRRestyResponse *response){
        if (![response checkStatus]){
            return;
        }
        urlString = [[[response asJSON] objectForKey:@"response"] objectForKey:@"upload_url"];

        NSData *uploadData = UIImagePNGRepresentation([UIImage imageNamed:@"sparta"]);

        [[LRResty client] post:urlString payload:uploadData withBlock:^(LRRestyResponse *response){
            NSLog(@"%@ \n %@", response , [response asJSON]);
        }];

    }];

}