public Erc20TokensController(
     ICachedErc20TokenAssetService erc20TokenAssetService,
     ICachedErc20TokenService erc20TokenService)
 {
     _erc20TokenAssetService = erc20TokenAssetService;
     _erc20TokenService      = erc20TokenService;
 }
 public ErcContractSubscriber(ILogFactory logFactory,
                              string connectionString,
                              ICachedErc20TokenService erc20TokenService)
 {
     _log               = logFactory.CreateLog(this);
     _logFactory        = logFactory;
     _connectionString  = connectionString;
     _erc20TokenService = erc20TokenService;
 }