# encoding: UTF-8 ''' 本文件包含了CTA引擎中的策略开发用模板，开发策略时需要继承CtaTemplate类。 ''' from ctaBase import * from vtConstant import * ######################################################################## class CtaTemplate(object): """CTA策略模板""" # 策略类的名称和作者 className = 'CtaTemplate' author = EMPTY_UNICODE # MongoDB数据库的名称，K线数据库默认为1分钟 tickDbName = TICK_DB_NAME barDbName = MINUTE_DB_NAME # 策略的基本参数 name = EMPTY_UNICODE # 策略实例名称 vtSymbol = EMPTY_STRING # 交易的合约vt系统代码 # 策略的基本变量，由引擎管理 inited = False # 是否进行了初始化 trading = False # 是否启动交易，由引擎管理 pos = 0 # 持仓情况 # 参数列表，保存了参数的名称 paramList = ['name', 'className', 'author', 'vtSymbol'] # 变量列表，保存了变量的名称 varList = ['inited', 'trading', 'pos'] #---------------------------------------------------------------------- def __init__(self, ctaEngine, setting): """Constructor""" self.ctaEngine = ctaEngine # 设置策略的参数 if setting: d = self.__dict__ for key in self.paramList: if key in setting: d[key] = setting[key] #---------------------------------------------------------------------- def onInit(self): """初始化策略（必须由用户继承实现）""" raise NotImplementedError #---------------------------------------------------------------------- def onStart(self): """启动策略（必须由用户继承实现）""" raise NotImplementedError #---------------------------------------------------------------------- def onStop(self): """停止策略（必须由用户继承实现）""" raise NotImplementedError #---------------------------------------------------------------------- def onTick(self, tick): """收到行情TICK推送（必须由用户继承实现）""" raise NotImplementedError #---------------------------------------------------------------------- def onOrder(self, order): """收到委托变化推送（必须由用户继承实现）""" raise NotImplementedError #---------------------------------------------------------------------- def onTrade(self, trade): """收到成交推送（必须由用户继承实现）""" raise NotImplementedError #---------------------------------------------------------------------- def onBar(self, bar): """收到Bar推送（必须由用户继承实现）""" raise NotImplementedError #---------------------------------------------------------------------- def buy(self, price, volume, stop=False): """买开""" return self.sendOrder(CTAORDER_BUY, price, volume, stop) #---------------------------------------------------------------------- def sell(self, price, volume, stop=False): """卖平""" return self.sendOrder(CTAORDER_SELL, price, volume, stop) #---------------------------------------------------------------------- def short(self, price, volume, stop=False): """卖开""" return self.sendOrder(CTAORDER_SHORT, price, volume, stop) #---------------------------------------------------------------------- def cover(self, price, volume, stop=False): """买平""" return self.sendOrder(CTAORDER_COVER, price, volume, stop) #---------------------------------------------------------------------- def sendOrder(self, orderType, price, volume, stop=False): """发送委托""" if self.trading: # 如果stop为True，则意味着发本地停止单 if stop: orderID = self.ctaEngine.sendStopOrder(self.vtSymbol, orderType, price, volume, self) else: orderID = self.ctaEngine.sendOrder(self.vtSymbol, orderType, price, volume, self) return orderID else: return None #---------------------------------------------------------------------- def cancelOrder(self, orderID): """撤单""" if STOPORDERPREFIX in orderID: self.ctaEngine.cancelStopOrder(orderID) else: self.ctaEngine.cancelOrder(orderID) #---------------------------------------------------------------------- def insertTick(self, tick): """向数据库中插入tick数据""" self.ctaEngine.insertData(self.tickDbName, self.vtSymbol, tick) #---------------------------------------------------------------------- def insertBar(self, bar): """向数据库中插入bar数据""" self.ctaEngine.insertData(self.barDbName, self.vtSymbol, bar) #---------------------------------------------------------------------- def loadTick(self, days): """读取tick数据""" return self.ctaEngine.loadTick(self.tickDbName, self.vtSymbol, days) #---------------------------------------------------------------------- def loadBar(self, days): """读取bar数据""" return self.ctaEngine.loadBar(self.barDbName, self.vtSymbol, days) #---------------------------------------------------------------------- def writeCtaLog(self, content): """记录CTA日志""" content = self.name + ':' + content self.ctaEngine.writeCtaLog(content) #---------------------------------------------------------------------- def putEvent(self): """发出策略状态变化事件""" self.ctaEngine.putStrategyEvent(self.name) ######################################################################## class DataRecorder(CtaTemplate): """ 纯粹用来记录历史数据的工具（基于CTA策略）， 建议运行在实际交易程序外的一个vn.trader实例中， 本工具会记录Tick和1分钟K线数据。 """ className = 'DataRecorder' author = u'用Python的交易员' # 策略的基本参数 name = EMPTY_UNICODE # 策略实例名称 vtSymbol = EMPTY_STRING # 交易的合约vt系统代码 # 策略的变量 bar = None # K线数据对象 barMinute = EMPTY_STRING # 当前的分钟，初始化设为-1 # 变量列表，保存了变量的名称 varList = ['inited', 'trading', 'pos', 'barMinute'] #---------------------------------------------------------------------- def __init__(self, ctaEngine, setting): """Constructor""" super(DataRecorder, self).__init__(ctaEngine, setting) #---------------------------------------------------------------------- def onInit(self): """初始化""" self.writeCtaLog(u'数据记录工具初始化') #---------------------------------------------------------------------- def onStart(self): """启动策略（必须由用户继承实现）""" self.writeCtaLog(u'数据记录工具启动') self.putEvent() #---------------------------------------------------------------------- def onStop(self): """停止策略（必须由用户继承实现）""" self.writeCtaLog(u'数据记录工具停止') self.putEvent() #---------------------------------------------------------------------- def onTick(self, tick): """收到行情TICK推送""" # 收到Tick后，首先插入到数据库里 self.insertTick(tick) # 计算K线 tickMinute = tick.datetime.minute if tickMinute != self.barMinute: # 如果分钟变了，则把旧的K线插入数据库，并生成新的K线 if self.bar: self.onBar(self.bar) bar = CtaBarData() # 创建新的K线，目的在于防止之前K线对象在插入Mongo中被再次修改，导致出错 bar.vtSymbol = tick.vtSymbol bar.symbol = tick.symbol bar.exchange = tick.exchange bar.open = tick.lastPrice bar.high = tick.lastPrice bar.low = tick.lastPrice bar.close = tick.lastPrice bar.date = tick.date bar.time = tick.time bar.datetime = tick.datetime # K线的时间设为第一个Tick的时间 bar.volume = tick.volume bar.openInterest = tick.openInterest self.bar = bar # 这种写法为了减少一层访问，加快速度 self.barMinute = tickMinute # 更新当前的分钟 else: # 否则继续累加新的K线 bar = self.bar # 写法同样为了加快速度 bar.high = max(bar.high, tick.lastPrice) bar.low = min(bar.low, tick.lastPrice) bar.close = tick.lastPrice bar.volume = bar.volume + tick.volume # 成交量是累加的 bar.openInterest = tick.openInterest # 持仓量直接更新 #---------------------------------------------------------------------- def onOrder(self, order): """收到委托变化推送""" pass #---------------------------------------------------------------------- def onTrade(self, trade): """收到成交推送""" pass #---------------------------------------------------------------------- def onBar(self, bar): """收到Bar推送""" self.insertBar(bar)