public Task <string> GetRoleMemberQueryAsync(byte[] role, BigInteger index, BlockParameter blockParameter = null)
        {
            var getRoleMemberFunction = new GetRoleMemberFunction();

            getRoleMemberFunction.Role  = role;
            getRoleMemberFunction.Index = index;

            return(ContractHandler.QueryAsync <GetRoleMemberFunction, string>(getRoleMemberFunction, blockParameter));
        }
 public Task <string> GetRoleMemberQueryAsync(GetRoleMemberFunction getRoleMemberFunction, BlockParameter blockParameter = null)
 {
     return(ContractHandler.QueryAsync <GetRoleMemberFunction, string>(getRoleMemberFunction, blockParameter));
 }