text: # -*- coding:utf-8 -*-
  
  """
  some constants
  
  Project: alphahunter
  Author: HJQuant
  Description: Asynchronous driven quantitative trading framework
  """
  
  
  # Exchange Names
  DATAMATRIX = "datamatrix" #用于策略研究的数据矩阵平台
  BACKTEST = "backtest"     #用于策略回测的量化回测平台
  
  BINANCE = "binance"  # Binance https://www.binance.com
  BINANCE_FUTURE = "binance_future"  # https://www.binance-cn.com/cn/futures/BTCUSDT
  OKEX = "okex"  # OKEx SPOT https://www.okex.me/spot/trade
  OKEX_MARGIN = "okex_margin"  # OKEx MARGIN https://www.okex.me/spot/marginTrade
  OKEX_FUTURE = "okex_future"  # OKEx FUTURE https://www.okex.me/future/trade
  OKEX_SWAP = "okex_swap"  # OKEx SWAP https://www.okex.me/future/swap
  BITMEX = "bitmex"  # BitMEX https://www.bitmex.com/
  HUOBI = "huobi"  # Huobi https://www.hbg.com/zh-cn/
  HUOBI_FUTURE = "huobi_future"  # Huobi Future https://www.hbdm.com/en-us/contract/exchange/
  GATE = "gate"  # Gate.io https://gateio.news/
  FTX = "ftx"
  
  # Market Types
  MARKET_TYPE_TRADE = "trade"
  MARKET_TYPE_ORDERBOOK = "orderbook"
  MARKET_TYPE_KLINE = "kline"
  MARKET_TYPE_KLINE_5M = "kline_5m"
  MARKET_TYPE_KLINE_15M = "kline_15m"
  MARKET_TYPE_TICKER = "ticker"
  
  #
  INDICATE_ORDER = 1
  INDICATE_ASSET = 2
  INDICATE_POSITION = 3