public Task <string> GetAddressQueryAsync(byte[] contractName, BlockParameter blockParameter = null)
        {
            var getAddressFunction = new GetAddressFunction();

            getAddressFunction.ContractName = contractName;

            return(ContractHandler.QueryAsync <GetAddressFunction, string>(getAddressFunction, blockParameter));
        }
 public Task <string> GetAddressQueryAsync(GetAddressFunction getAddressFunction, BlockParameter blockParameter = null)
 {
     return(ContractHandler.QueryAsync <GetAddressFunction, string>(getAddressFunction, blockParameter));
 }