private ExchangeKey ConvertExchangeKeyToCreate(ExchangeKeyToCreateDTO dto)
        {
            var key = new ExchangeKey
            {
                Name   = dto.Name,
                Key    = dto.Key,
                Secret = dto.Secret
            };

            return(key);
        }
        private ExchangeKeyDTO ConvertExchangeKey(ExchangeKey dto)
        {
            var key = new ExchangeKeyDTO
            {
                ExchangeKeyId = dto.ExchangeKeyId,
                Name          = dto.Name,
                Key           = dto.Key,
                Secret        = dto.Secret
            };

            return(key);
        }