code: def req_withdraw(self, address, amount, currency, fee=0, addr_tag=""):
          
          params = {
              'address': address,
              'amount': amount,
              'currency': currency,
              'fee': fee,
              'addr-tag': addr_tag
          }
          path = '/v1/dw/withdraw/api/create'
  
          def _wrapper(_func):
              @wraps(_func)
              def handle():
                  _func(api_key_post(params, path))
  
              return handle
  
          return _wrapper
docs: 申请提现虚拟币
          :param address_id:
          :param amount:
          :param currency:btc, ltc, bcc, eth, etc ...(火币Pro支持的币种)
          :param fee:
          :param addr-tag:
          :return: {
                    "status": "ok",
                    "data": 700
                  }