public Task <bool> IsWhitelistedQueryAsync(string account, BlockParameter blockParameter = null)
        {
            var isWhitelistedFunction = new IsWhitelistedFunction();

            isWhitelistedFunction.Account = account;

            return(ContractHandler.QueryAsync <IsWhitelistedFunction, bool>(isWhitelistedFunction, blockParameter));
        }
 public Task <bool> IsWhitelistedQueryAsync(IsWhitelistedFunction isWhitelistedFunction, BlockParameter blockParameter = null)
 {
     return(ContractHandler.QueryAsync <IsWhitelistedFunction, bool>(isWhitelistedFunction, blockParameter));
 }