将IbGateway里使用的IbPy替换为vn.ib接口,测试外汇交易无问题

This commit is contained in:
chenxy123 2016-11-09 23:19:18 +08:00
parent 70723dc0cc
commit 8e658868b2
7 changed files with 264 additions and 215 deletions

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@ -1,5 +1,5 @@
<?xml version="1.0"?>
<SubscriptionDataContainer xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="urn:Microsoft.VisualStudio.WindowsAzure.CommonAzureTools.Authentication.CacheManagement">
<Items />
<TokenCache>AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAhuIZgFnYcU6wvp5DI4FozAAAAAACAAAAAAAQZgAAAAEAACAAAAAXSj17R5SUHe+A58o1bYLSOOhH9W2Ix9DlZDFBrgVA4gAAAAAOgAAAAAIAACAAAADbVSL+BIaujSBj3UmMHFYW0NN/5M1VZMBFC5NayhA3uBAAAADlsZqLyiwLiExTjbbDU1nZQAAAAA8KhP6XKTAD/Iuw37pqb7rSwSDYQgFsBJvhh4KMkHc9aX3Q+ga9NjStuUrdZVmuMzeMGwsQ+bjLejvA3cCOI9c=</TokenCache>
<TokenCache>AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAhuIZgFnYcU6wvp5DI4FozAAAAAACAAAAAAAQZgAAAAEAACAAAADnrYSEO5qfCQPpiUFTIS3ZRFiTItrg4/VIVOH2J3epYgAAAAAOgAAAAAIAACAAAACso6CSyxkad28kFe3eIz1YgltVz/YV200C+PLOhtmmPhAAAABBWAXXnj8W8KUy+QlVKF7JQAAAAFuRLjt27YOpR9+kkpnrDzww07fBW08hBX6gGDrJVJp/hGhDL4nX/wEgsPuN/EJB4f48rrPnGlHmfb6B9a0Il60=</TokenCache>
</SubscriptionDataContainer>

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@ -166,12 +166,14 @@ class BacktestEngineMultiTF(BacktestingEngine):
data = self.infobar[info_symbol]
# Update data only when Time Stamp is matched
if data['datetime'] <= self.dt:
if (data is not None) and (data['datetime'] <= self.dt):
try:
temp[info_symbol] = CtaBarData()
temp[info_symbol].__dict__ = data
self.infobar[info_symbol] = next(self.InfoCursor[info_symbol])
except StopIteration:
self.infobar[info_symbol] = None
self.output("No more data in information database.")
else:
temp[info_symbol] = None

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@ -1,5 +1,6 @@
{
"host": "localhost",
"port": 7496,
"clientId": 888
"port": 7497,
"clientId": 888,
"accountCode": "DU545254"
}

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@ -1,7 +1,7 @@
# encoding: UTF-8
'''
ibpy的gateway接入
Interactive Brokers的gateway接入已经替换为vn.ib封装
注意事项
1. ib api只能获取和操作当前连接后下的单并且每次重启程序后之前下的单子收不到
@ -19,11 +19,7 @@ from copy import copy
from PyQt4 import QtGui, QtCore
from ib.ext.Contract import Contract
from ib.ext.Order import Order
from ib.ext.EWrapper import EWrapper
from ib.ext.EClientSocket import EClientSocket
from vnib import *
from vtGateway import *
@ -119,6 +115,7 @@ class IbGateway(VtGateway):
self.host = EMPTY_STRING # 连接地址
self.port = EMPTY_INT # 连接端口
self.clientId = EMPTY_INT # 用户编号
self.accountCode = EMPTY_STRING # 账户编号
self.tickerId = 0 # 订阅行情时的代码编号
self.tickDict = {} # tick快照字典key为tickerIdvalue为VtTickData对象
@ -135,8 +132,7 @@ class IbGateway(VtGateway):
self.connected = False # 连接状态
self.wrapper = IbWrapper(self) # 回调接口
self.connection = EClientSocket(self.wrapper) # 主动接口
self.api = IbWrapper(self) # API接口
#----------------------------------------------------------------------
def connect(self):
@ -161,6 +157,7 @@ class IbGateway(VtGateway):
self.host = str(setting['host'])
self.port = int(setting['port'])
self.clientId = int(setting['clientId'])
self.accountCode = str(setting['accountCode'])
except KeyError:
log = VtLogData()
log.gatewayName = self.gatewayName
@ -169,13 +166,13 @@ class IbGateway(VtGateway):
return
# 发起连接
self.connection.eConnect(self.host, self.port, self.clientId)
self.api.eConnect(self.host, self.port, self.clientId, False)
# 查询服务器时间
self.connection.reqCurrentTime()
self.api.reqCurrentTime()
# 请求账户数据主推更新
self.connection.reqAccountUpdates(True, '')
self.api.reqAccountUpdates(True, self.accountCode)
#----------------------------------------------------------------------
def subscribe(self, subscribeReq):
@ -186,17 +183,17 @@ class IbGateway(VtGateway):
return
contract = Contract()
contract.m_localSymbol = str(subscribeReq.symbol)
contract.m_exchange = exchangeMap.get(subscribeReq.exchange, '')
contract.m_secType = productClassMap.get(subscribeReq.productClass, '')
contract.m_currency = currencyMap.get(subscribeReq.currency, '')
contract.m_expiry = subscribeReq.expiry
contract.m_strike = subscribeReq.strikePrice
contract.m_right = optionTypeMap.get(subscribeReq.optionType, '')
contract.localSymbol = str(subscribeReq.symbol)
contract.exchange = exchangeMap.get(subscribeReq.exchange, '')
contract.secType = productClassMap.get(subscribeReq.productClass, '')
contract.currency = currencyMap.get(subscribeReq.currency, '')
contract.expiry = subscribeReq.expiry
contract.strike = subscribeReq.strikePrice
contract.right = optionTypeMap.get(subscribeReq.optionType, '')
# 获取合约详细信息
self.tickerId += 1
self.connection.reqContractDetails(self.tickerId, contract)
self.api.reqContractDetails(self.tickerId, contract)
# 创建合约对象并保存到字典中
ct = VtContractData()
@ -209,7 +206,7 @@ class IbGateway(VtGateway):
# 订阅行情
self.tickerId += 1
self.connection.reqMktData(self.tickerId, contract, '', False)
self.api.reqMktData(self.tickerId, contract, '', False, TagValueList())
# 创建Tick对象并保存到字典中
tick = VtTickData()
@ -229,28 +226,28 @@ class IbGateway(VtGateway):
# 创建合约对象
contract = Contract()
contract.m_localSymbol = str(orderReq.symbol)
contract.m_exchange = exchangeMap.get(orderReq.exchange, '')
contract.m_secType = productClassMap.get(orderReq.productClass, '')
contract.m_currency = currencyMap.get(orderReq.currency, '')
contract.m_expiry = orderReq.expiry
contract.m_strike = orderReq.strikePrice
contract.m_right = optionTypeMap.get(orderReq.optionType, '')
contract.localSymbol = str(orderReq.symbol)
contract.exchange = exchangeMap.get(orderReq.exchange, '')
contract.secType = productClassMap.get(orderReq.productClass, '')
contract.currency = currencyMap.get(orderReq.currency, '')
contract.expiry = orderReq.expiry
contract.strike = orderReq.strikePrice
contract.right = optionTypeMap.get(orderReq.optionType, '')
# 创建委托对象
order = Order()
order.m_orderId = self.orderId
order.m_clientId = self.clientId
order.m_action = directionMap.get(orderReq.direction, '')
order.m_lmtPrice = orderReq.price
order.m_totalQuantity = orderReq.volume
order.m_orderType = priceTypeMap.get(orderReq.priceType, '')
order.orderId = self.orderId
order.clientId = self.clientId
order.action = directionMap.get(orderReq.direction, '')
order.lmtPrice = orderReq.price
order.totalQuantity = orderReq.volume
order.orderType = priceTypeMap.get(orderReq.priceType, '')
# 发送委托
self.connection.placeOrder(self.orderId, contract, order)
self.api.placeOrder(self.orderId, contract, order)
# 查询下一个有效编号
self.connection.reqIds(1)
self.api.reqIds(1)
# 返回委托编号
vtOrderID = '.'.join([self.gatewayName, str(self.orderId)])
@ -259,7 +256,7 @@ class IbGateway(VtGateway):
#----------------------------------------------------------------------
def cancelOrder(self, cancelOrderReq):
"""撤单"""
self.connection.cancelOrder(cancelOrderReq.orderID)
self.api.cancelOrder(int(cancelOrderReq.orderID))
#----------------------------------------------------------------------
def qryAccount(self):
@ -280,11 +277,11 @@ class IbGateway(VtGateway):
#----------------------------------------------------------------------
def close(self):
"""关闭"""
self.connection.eDisconnect()
self.api.eDisconnect()
########################################################################
class IbWrapper(EWrapper):
class IbWrapper(IbApi):
"""IB回调接口的实现"""
#----------------------------------------------------------------------
@ -292,7 +289,7 @@ class IbWrapper(EWrapper):
"""Constructor"""
super(IbWrapper, self).__init__()
self.connectionStatus = False # 连接状态
self.apiStatus = False # 连接状态
self.gateway = gateway # gateway对象
self.gatewayName = gateway.gatewayName # gateway对象名称
@ -304,9 +301,56 @@ class IbWrapper(EWrapper):
self.tickProductDict = gateway.tickProductDict
self.subscribeReqDict = gateway.subscribeReqDict
#----------------------------------------------------------------------
def nextValidId(self, orderId):
""""""
self.gateway.orderId = orderId
#----------------------------------------------------------------------
def currentTime(self, time):
"""连接成功后推送当前时间"""
dt = datetime.fromtimestamp(time)
t = dt.strftime("%Y-%m-%d %H:%M:%S.%f")
self.apiStatus = True
self.gateway.connected = True
log = VtLogData()
log.gatewayName = self.gatewayName
log.logContent = (u'IB接口连接成功当前服务器时间 %s' %t)
self.gateway.onLog(log)
for symbol, req in self.subscribeReqDict.items():
del self.subscribeReqDict[symbol]
self.gateway.subscribe(req)
#----------------------------------------------------------------------
def connectAck(self):
""""""
pass
#----------------------------------------------------------------------
def error(self, id_, errorCode, errorString):
"""错误推送"""
err = VtErrorData()
err.gatewayName = self.gatewayName
err.errorID = errorCode
err.errorMsg = errorString
self.gateway.onError(err)
#----------------------------------------------------------------------
def accountSummary(self, reqId, account, tag, value, curency):
""""""
pass
#----------------------------------------------------------------------
def accountSummaryEnd(self, reqId):
""""""
pass
#----------------------------------------------------------------------
def tickPrice(self, tickerId, field, price, canAutoExecute):
"""行情推送(价格相关)"""
"""行情价格相关推送"""
if field in tickFieldMap:
tick = self.tickDict[tickerId]
key = tickFieldMap[field]
@ -327,7 +371,7 @@ class IbWrapper(EWrapper):
#----------------------------------------------------------------------
def tickSize(self, tickerId, field, size):
"""行情推送(量相关)"""
"""行情数量相关推送"""
if field in tickFieldMap:
tick = self.tickDict[tickerId]
key = tickFieldMap[field]
@ -344,32 +388,28 @@ class IbWrapper(EWrapper):
print field
#----------------------------------------------------------------------
def tickOptionComputation(self, tickerId, field, impliedVol, delta, optPrice, pvDividend, gamma, vega, theta, undPrice):
"""行情推送(期权数值)"""
def tickOptionComputation(self, tickerId, tickType, impliedVol, delta, optPrice, pvDividend, gamma, vega, theta, undPrice):
""""""
pass
#----------------------------------------------------------------------
def tickGeneric(self, tickerId, tickType, value):
"""行情推送(某些通用字段)"""
""""""
pass
#----------------------------------------------------------------------
def tickString(self, tickerId, tickType, value):
"""行情推送,特殊字段相关"""
# 参考了一些其他平台对于IB行情数据的开发建议后
# 发现大部分都选择使用本地电脑时间戳而非IB推送的时间戳
# 猜测原因可能是IB的行情质量一般本身就是切片了的
# 因此这里也选择使用电脑的本地时间
""""""
pass
#----------------------------------------------------------------------
def tickEFP(self, tickerId, tickType, basisPoints, formattedBasisPoints, impliedFuture, holdDays, futureExpiry, dividendImpact, dividendsToExpiry):
"""行情推送(合约属性相关)"""
def tickEFP(self, tickerId, tickType, basisPoints, formattedBasisPoints, totalDividends, holdDays, futureLastTradeDate, dividendImpact, dividendsToLastTradeDate):
""""""
pass
#----------------------------------------------------------------------
def orderStatus(self, orderId, status, filled, remaining, avgFillPrice, permId, parentId, lastFillPrice, clientId, whyHeld):
"""报单成交回报"""
"""委托状态更新"""
orderId = str(orderId)
if orderId in self.orderDict:
@ -389,7 +429,7 @@ class IbWrapper(EWrapper):
#----------------------------------------------------------------------
def openOrder(self, orderId, contract, order, orderState):
"""报单信息推送"""
"""下达委托推送"""
orderId = str(orderId) # orderId是整数
if orderId in self.orderDict:
@ -398,26 +438,42 @@ class IbWrapper(EWrapper):
od = VtOrderData() # od代表orderData
od.orderID = orderId
od.vtOrderID = '.'.join([self.gatewayName, orderId])
od.symbol = contract.m_localSymbol
od.exchange = exchangeMapReverse.get(contract.m_exchange, '')
od.symbol = contract.localSymbol
od.exchange = exchangeMapReverse.get(contract.exchange, '')
od.vtSymbol = '.'.join([od.symbol, od.exchange])
od.gatewayName = self.gatewayName
self.orderDict[orderId] = od
od.direction = directionMapReverse.get(order.m_action, '')
od.price = order.m_lmtPrice
od.totalVolume = order.m_totalQuantity
od.direction = directionMapReverse.get(order.action, '')
od.price = order.lmtPrice
od.totalVolume = order.totalQuantity
newod = copy(od)
self.gateway.onOrder(newod)
#----------------------------------------------------------------------
def openOrderEnd(self):
""" generated source for method openOrderEnd """
""""""
pass
#----------------------------------------------------------------------
def updateAccountValue(self, key, value, currency, accountName):
def winError(self, str_, lastError):
""""""
pass
#----------------------------------------------------------------------
def connectionClosed(self):
"""断线"""
self.apiStatus = False
self.gateway.connected = False
log = VtLogData()
log.gatewayName = self.gatewayName
log.logContent = (u'IB接口连接断开')
self.gateway.onLog(log)
#----------------------------------------------------------------------
def updateAccountValue(self, key, val, currency, accountName):
"""更新账户数据"""
# 仅逐个字段更新数据这里对于没有currency的推送忽略
if currency:
@ -434,15 +490,15 @@ class IbWrapper(EWrapper):
if key in accountKeyMap:
k = accountKeyMap[key]
account.__setattr__(k, float(value))
account.__setattr__(k, float(val))
#----------------------------------------------------------------------
def updatePortfolio(self, contract, position, marketPrice, marketValue, averageCost, unrealizedPNL, realizedPNL, accountName):
"""持仓更新推送"""
"""持仓更新"""
pos = VtPositionData()
pos.symbol = contract.m_localSymbol
pos.exchange = exchangeMapReverse.get(contract.m_exchange, contract.m_exchange)
pos.symbol = contract.localSymbol
pos.exchange = exchangeMapReverse.get(contract.exchange, contract.exchange)
pos.vtSymbol = '.'.join([pos.symbol, pos.exchange])
pos.direction = DIRECTION_NET
pos.position = position
@ -454,7 +510,7 @@ class IbWrapper(EWrapper):
#----------------------------------------------------------------------
def updateAccountTime(self, timeStamp):
"""更新账户数据的时间"""
"""更新账户时间"""
# 推送数据
for account in self.accountDict.values():
newaccount = copy(account)
@ -462,40 +518,34 @@ class IbWrapper(EWrapper):
#----------------------------------------------------------------------
def accountDownloadEnd(self, accountName):
""" generated source for method accountDownloadEnd """
""""""
pass
#----------------------------------------------------------------------
def nextValidId(self, orderId):
"""下一个有效报单编号更新"""
self.gateway.orderId = orderId
#----------------------------------------------------------------------
def contractDetails(self, reqId, contractDetails):
"""合约查询回报"""
symbol = contractDetails.m_summary.m_localSymbol
exchange = exchangeMapReverse.get(contractDetails.m_summary.m_exchange, EXCHANGE_UNKNOWN)
symbol = contractDetails.summary.localSymbol
exchange = exchangeMapReverse.get(contractDetails.summary.exchange, EXCHANGE_UNKNOWN)
vtSymbol = '.'.join([symbol, exchange])
ct = self.contractDict.get(vtSymbol, None)
if not ct:
return
ct.name = contractDetails.m_longName.decode('UTF-8')
ct.priceTick = contractDetails.m_minTick
ct.name = contractDetails.longName.decode('UTF-8')
ct.priceTick = contractDetails.minTick
# 推送
self.gateway.onContract(ct)
#----------------------------------------------------------------------
def bondContractDetails(self, reqId, contractDetails):
""" generated source for method bondContractDetails """
""""""
pass
#----------------------------------------------------------------------
def contractDetailsEnd(self, reqId):
""" 获取合约结束 """
# 因为IB的合约获取是一个个合约进行的并不会用于触发其他操作因此无需发出日志
""""""
pass
#----------------------------------------------------------------------
@ -503,172 +553,168 @@ class IbWrapper(EWrapper):
"""成交推送"""
trade = VtTradeData()
trade.gatewayName = self.gatewayName
trade.tradeID = execution.m_execId
trade.tradeID = execution.execId
trade.vtTradeID = '.'.join([self.gatewayName, trade.tradeID])
trade.symbol = contract.m_localSymbol
trade.exchange = exchangeMapReverse.get(contract.m_exchange, '')
trade.symbol = contract.localSymbol
trade.exchange = exchangeMapReverse.get(contract.exchange, '')
trade.vtSymbol = '.'.join([trade.symbol, trade.exchange])
trade.orderID = str(execution.m_orderId)
trade.direction = directionMapReverse.get(execution.m_side, '')
trade.price = execution.m_price
trade.volume = execution.m_shares
trade.tradeTime = execution.m_time
trade.orderID = str(execution.orderId)
trade.direction = directionMapReverse.get(execution.side, '')
trade.price = execution.price
trade.volume = execution.shares
trade.tradeTime = execution.time
self.gateway.onTrade(trade)
#----------------------------------------------------------------------
def execDetailsEnd(self, reqId):
""" generated source for method execDetailsEnd """
""""""
pass
#----------------------------------------------------------------------
def updateMktDepth(self, tickerId, position, operation, side, price, size):
""" generated source for method updateMktDepth """
def updateMktDepth(self, id_, position, operation, side, price, size):
""""""
pass
#----------------------------------------------------------------------
def updateMktDepthL2(self, tickerId, position, marketMaker, operation, side, price, size):
""" generated source for method updateMktDepthL2 """
def updateMktDepthL2(self, id_, position, marketMaker, operation, side, price, size):
""""""
pass
#----------------------------------------------------------------------
def updateNewsBulletin(self, msgId, msgType, message, origExchange):
""" generated source for method updateNewsBulletin """
def updateNewsBulletin(self, msgId, msgType, newsMessage, originExch):
""""""
pass
#----------------------------------------------------------------------
def managedAccounts(self, accountsList):
""" generated source for method managedAccounts """
""""""
pass
#----------------------------------------------------------------------
def receiveFA(self, faDataType, xml):
""" generated source for method receiveFA """
def receiveFA(self, pFaDataType, cxml):
""""""
pass
#----------------------------------------------------------------------
def historicalData(self, reqId, date, open, high, low, close, volume, count, WAP, hasGaps):
""" generated source for method historicalData """
def historicalData(self, reqId, date, open_, high, low, close, volume, barCount, WAP, hasGaps):
""""""
pass
#----------------------------------------------------------------------
def scannerParameters(self, xml):
""" generated source for method scannerParameters """
""""""
pass
#----------------------------------------------------------------------
def scannerData(self, reqId, rank, contractDetails, distance, benchmark, projection, legsStr):
''' generated source for method scannerData '''
""""""
pass
#----------------------------------------------------------------------
def scannerDataEnd(self, reqId):
""" generated source for method scannerDataEnd """
""""""
pass
#----------------------------------------------------------------------
def realtimeBar(self, reqId, time, open, high, low, close, volume, wap, count):
""" generated source for method realtimeBar """
def realtimeBar(self, reqId, time, open_, high, low, close, volume, wap, count):
""""""
pass
#----------------------------------------------------------------------
def currentTime(self, time):
""" generated source for method currentTime """
dt = datetime.fromtimestamp(time)
t = dt.strftime("%Y-%m-%d %H:%M:%S.%f")
self.connectionStatus = True
self.gateway.connected = True
log = VtLogData()
log.gatewayName = self.gatewayName
log.logContent = (u'IB接口连接成功当前服务器时间 %s' %t)
self.gateway.onLog(log)
for symbol, req in self.subscribeReqDict.items():
del self.subscribeReqDict[symbol]
self.gateway.subscribe(req)
#----------------------------------------------------------------------
def fundamentalData(self, reqId, data):
""" generated source for method fundamentalData """
""""""
pass
#----------------------------------------------------------------------
def deltaNeutralValidation(self, reqId, underComp):
""" generated source for method deltaNeutralValidation """
""""""
pass
#----------------------------------------------------------------------
def tickSnapshotEnd(self, reqId):
""" generated source for method tickSnapshotEnd """
""""""
pass
#----------------------------------------------------------------------
def marketDataType(self, reqId, marketDataType):
""" generated source for method marketDataType """
""""""
pass
#----------------------------------------------------------------------
def commissionReport(self, commissionReport):
""" generated source for method commissionReport """
""""""
pass
#----------------------------------------------------------------------
def position(self, account, contract, pos, avgCost):
""" generated source for method position """
def position(self, account, contract, position, avgCost):
""""""
pass
#----------------------------------------------------------------------
def positionEnd(self):
""" generated source for method positionEnd """
""""""
pass
#----------------------------------------------------------------------
def accountSummary(self, reqId, account, tag, value, currency):
""" generated source for method accountSummary """
def verifyMessageAPI(self, apiData):
""""""
pass
#----------------------------------------------------------------------
def accountSummaryEnd(self, reqId):
""" generated source for method accountSummaryEnd """
def verifyCompleted(self, isSuccessful, errorText):
""""""
pass
#----------------------------------------------------------------------
def error(self, id=None, errorCode=None, errorMsg=None):
"""错误回报"""
err = VtErrorData()
err.gatewayName = self.gatewayName
err.errorID = errorCode
err.errorMsg = errorMsg
self.gateway.onError(err)
def displayGroupList(self, reqId, groups):
""""""
pass
#----------------------------------------------------------------------
def error_0(self, strval=None):
"""错误回报(单一字符串)"""
err = VtErrorData()
err.gatewayName = self.gatewayName
err.errorMsg = strval
self.gateway.onError(err)
def displayGroupUpdated(self, reqId, contractInfo):
""""""
pass
#----------------------------------------------------------------------
def error_1(self, id=None, errorCode=None, errorMsg=None):
"""错误回报(字符串和代码)"""
err = VtErrorData()
err.gatewayName = self.gatewayName
err.errorID = errorCode
err.errorMsg = errorMsg
self.gateway.onError(err)
def verifyAndAuthMessageAPI(self, apiData, xyzChallange):
""""""
pass
#----------------------------------------------------------------------
def connectionClosed(self):
"""连接断开"""
self.connectionStatus = False
self.gateway.connected = False
def verifyAndAuthCompleted(self, isSuccessful, errorText):
""""""
pass
#----------------------------------------------------------------------
def positionMulti(self, reqId, account, modelCode, contract, pos, avgCost):
""""""
pass
#----------------------------------------------------------------------
def positionMultiEnd(self, reqId):
""""""
pass
#----------------------------------------------------------------------
def accountUpdateMulti(self, reqId, account, modelCode, key, value, currency):
""""""
pass
#----------------------------------------------------------------------
def accountUpdateMultiEnd(self, reqId):
""""""
pass
#----------------------------------------------------------------------
def securityDefinitionOptionalParameter(self, reqId, exchange, underlyingConId, tradingClass, multiplier, expirations, strikes):
""""""
pass
#----------------------------------------------------------------------
def securityDefinitionOptionalParameterEnd(self, reqId):
""""""
pass
log = VtLogData()
log.gatewayName = self.gatewayName
log.logContent = (u'IB接口连接断开')
self.gateway.onLog(log)

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