public MedicalController(MySQLContext context, BlockchainService service,
                                 IHostingEnvironment hostingEnvironment)
        {
            _context            = context;
            _hostingEnvironment = hostingEnvironment;
            _blockchainService  = service;

            _blockchainService.Initialize();
        }
 public HomeController(BlockchainService service)
 {
     _blockchainService = service;
     _blockchainService.Initialize();
 }