public Task <bool> IsSignerQueryAsync(string account, BlockParameter blockParameter = null)
        {
            var isSignerFunction = new IsSignerFunction();

            isSignerFunction.Account = account;

            return(ContractHandler.QueryAsync <IsSignerFunction, bool>(isSignerFunction, blockParameter));
        }
 public Task <bool> IsSignerQueryAsync(IsSignerFunction isSignerFunction, BlockParameter blockParameter = null)
 {
     return(ContractHandler.QueryAsync <IsSignerFunction, bool>(isSignerFunction, blockParameter));
 }