Esempio n. 1
0
class IBBroker(BaseBroker):
    def __init__(self):
        basicConfig()
        # These two variables are initialized in Connect method
        self._connection = None
        self._wrapper = None
        self._request_id = 0

    def _get_next_request_id(self):
        self._request_id += 1
        return self._request_id

    def get_security(self, symbol):
        contract = IBSecurity()
        contract.Symbol = symbol
        contract.symbol_id = 0
        contract.Currency = 'USD'
        return contract

    def _get_next_valid_order_id(self):
        """
        You must assign a unique order ID to each order you place. IB's servers
        keep track of the next available order ID you can use; this function
        requests that value from IB's servers, waits until IB sends a response,
        then returns the ID.
        """
        last_time = self._wrapper._time_received_next_valid_order_id
        self._connection.reqIds(1)
        # Wait until IB sends the next valid ID
        while last_time == self._wrapper._time_received_next_valid_order_id:
            very_short_sleep()
        return self._wrapper._next_valid_order_id

    def _request_current_time(self):
        self._connection.reqCurrentTime()

    def connect(self):
        self._wrapper = ReferenceWrapper()
        self._connection = EClientSocket(self._wrapper)
        self._connection.eConnect(IB_HOST, IB_PORT, IB_CLIENT_ID)

    def disconnect(self):
        if self._connection.isConnected():
            self._connection.eDisconnect()

    def send_pre_trade(self, trade_info): # trade info is fa profile

        self._connection.requestFA(self._connection.PROFILES)
        self._connection.replaceFA(self._connection.PROFILES, trade_info)

    def send_order(self, order):
        order.__class__ = IBOrder # casting to IBOrder
        order.prepare_IB_order()
        order_id = self._get_next_valid_order_id()
        contract = self.get_security(order.Symbol)
        #order.m_transmit = True # forces IB to transmit order straight away
        self._connection.placeOrder(order_id, contract, order) # places order
        order.Status = Order.StatusChoice.Sent.value # order status is set to SENT
        order.Order_Id = order_id # sets broker specific ID
        while not self._wrapper.isOpeningOfOrdersFinished(order_id):
            err = self._wrapper.getError(order_id)
            if err is not None:
                raise Exception(err)
            very_short_sleep()
            #if(self._wrapper.isError(id)):
            #   raise Exception(self.wrapper.isError(id))

    def update_orders(self, orders):
        requestId = self._get_next_request_id()
        exf = ExecutionFilter()
        distribution = {}
        self._connection.reqExecutions(requestId, exf)  #
        while not self._wrapper.isExecutionRequestFinished(requestId):
            err = self._wrapper.getError(requestId)
            if err is not None:
                raise Exception(err)
            very_short_sleep()
        executions = self._wrapper.getExecutions(requestId)
        for order in orders:
            price = 0
            shares = 0
            if executions is not None:
                for execution in executions:
                    if execution.m_shares > 0 and execution.m_orderId == order.Order_Id and not execution.m_acctNumber.startswith('DF'):
                        price = execution.m_price
                        if order.Symbol not in distribution:
                            distribution[order.Symbol] = {}
                        if execution.m_acctNumber not in distribution[order.Symbol]:
                            distribution[order.Symbol][execution.m_acctNumber] = 0
                        distribution[order.Symbol][execution.m_acctNumber] += execution.m_shares
                        shares += execution.m_shares
                if price != 0:
                    order.setFills(price, shares)
        return distribution

    def get_account_info(self, broker_account):
        requestId = self._get_next_request_id()
        self._connection.reqAccountSummary(requestId, 'All', 'AccountType,TotalCashValue')
        while not self._wrapper.isExecutionRequestFinished(requestId):
            err = self._wrapper.getError(requestId)
            max_resp = self._wrapper.getMaxRequestFailureError()
            if err is not None:
                raise Exception(err)
            if max_resp:
                raise Exception("Maximum number of account summary requests exceeded")
            very_short_sleep()
        return self._wrapper.getAccountInfo(broker_account.ib_account)
Esempio n. 2
0
    # Account and Portfolio ##############################################################
    # reqAccountUpdates   --->   updateAccountTime      self.update_AccountTime
    #                            updateAccountValue     self.update_AccountValue
    #                            updatePortfolio        self.update_Portfolio
    # accountDownloadEnd                                self.accountDownloadEnd_flag
    # reqAccountSummary   --->   accountSummary         self.account_Summary
    # cancelAccountSummary
    # accountSummaryEnd                                 self.account_SummaryEnd_flag
    # reqPositions        --->   position               self.update_Position
    # cancelPositions
    # positionEnd                                       self.positionEnd_flag
    ###################################################################################'''
    print "Testing Account and Portfolio \n"
    tws.reqAccountUpdates(1, accountName)
    tws.reqAccountSummary(1, "All", "NetLiquidation")
    #tws.cancelAccountSummary(1)
    tws.reqPositions()
    #tws.cancelPositions()

    # Orders #############################################################################
    # placeOrder           --->   orderStatus**         self.order_Status
    # cancelorder
    #                      --->   openOrderEnd          self.open_OrderEnd_flag
    # reqOpenOrders        --->   openOrder*            self.open_Order
    #                      --->   orderStatus**
    # reqAllOpenOrders     --->   openOrder*
    #                      --->   orderStatus**
    # reqAutoOpenOrders    --->   openOrder*
    #                      --->   orderStatus**
    # reqIds               --->   nextValidId           self.next_ValidId
Esempio n. 3
0
import numpy as np


from IBWrapper import IBWrapper, contract
accountName = "asd781820"
callback = IBWrapper()
tws = EClientSocket(callback)
host = ""
port = 4002
clientId = 9

tws.eConnect(host, port, clientId)

create = contract()
callback.initiate_variables()
tws.reqAccountSummary(8,'All','TotalCashValue')
callback.accountSummary()
globalid = 138756199

def buy(globalid,contract_Details):
    oid = globalid
    order = create_order('MKT', 100000, 'BUY')
    tws.placeOrder(oid, contract_Details, order)
    time.sleep(2)
    print('--------Account value before buy------')
    print(callback.account_Summary[-1][3])
    time.sleep(300)
    oid += 1
    order = create_order('MKT', 100000, 'SELL')
    tws.placeOrder(oid, contract_Details, order)
    print('buy order finished')
Esempio n. 4
0
    
    # Account and Portfolio ##############################################################
    # reqAccountUpdates   --->   updateAccountTime      self.update_AccountTime
    #                            updateAccountValue     self.update_AccountValue
    #                            updatePortfolio        self.update_Portfolio
    # accountDownloadEnd                                self.accountDownloadEnd_flag
    # reqAccountSummary   --->   accountSummary         self.account_Summary
    # cancelAccountSummary
    # accountSummaryEnd                                 self.account_SummaryEnd_flag
    # reqPositions        --->   position               self.update_Position
    # cancelPositions
    # positionEnd                                       self.positionEnd_flag
    ###################################################################################'''
    print "Testing Account and Portfolio \n"
    tws.reqAccountUpdates(1, accountName)
    tws.reqAccountSummary(1,"All","NetLiquidation")
    #tws.cancelAccountSummary(1)
    tws.reqPositions()
    #tws.cancelPositions()
    





    # Orders #############################################################################
    # placeOrder           --->   orderStatus**         self.order_Status
    # cancelorder                                
    #                      --->   openOrderEnd          self.open_OrderEnd_flag            
    # reqOpenOrders        --->   openOrder*            self.open_Order
    #                      --->   orderStatus** 
Esempio n. 5
0
class orderRunnerBeta:
    def __init__(self, datadecoder):
        self.accountName = "asd781820"
        self.callback = IBWrapper()
        self.tws = EClientSocket(self.callback)
        self.host = ""
        self.port = 4002
        self.clientId = 8
        self.tws.eConnect(self.host, self.port, self.clientId)
        self.dd = datadecoder
        self.create = contract()
        self.callback.initiate_variables()
        self.callback.initiate_variables()
        self.tws.reqAccountSummary(8, 'All', 'TotalCashValue')
        self.filedf = datadecoder.usabledf
        self.datadecoder = datadecoder
        contract_Details = self.create.create_contract('EUR', 'CASH',
                                                       'IDEALPRO', 'USD')
        tickerId = 10000
        self.tws.reqRealTimeBars(tickerId, contract_Details, 5, "MIDPOINT", 0)
        self.tickerId = 9010
        self.df = pd.read_csv('df.csv')
        self.RbinDict = bqe.makeRDf(self.df)
        self.column_index_value_dict, self.binDict = bqe.makeDf(self.df)

    def create_trailing_order(self, action, quantity, trailingPercent=0.006):
        order = Order()
        order.m_orderType = "TRAIL"
        order.m_totalQuantity = quantity
        order.m_trailingPercent = trailingPercent
        order.m_action = action
        return order

    def create_order(self, order_type, quantity, action):
        """Create an Order object (Market/Limit) to go long/short.
        
        order_type - 'MKT', 'LMT' for Market or Limit orders
        quantity - Integral number of assets to order
        action - 'BUY' or 'SELL'"""
        order = Order()
        order.m_orderType = order_type
        order.m_totalQuantity = quantity
        order.m_action = action
        return order

    def buy(self, contract_Details, limit, stop):

        self.tws.reqIds(-1)
        time.sleep(0.5)
        oid = self.callback.next_ValidId
        parent = Order()
        parent.orderId = oid
        parent.m_action = "BUY"
        parent.m_orderType = "MKT"
        parent.m_totalQuantity = 300000
        parent.m_transmit = False
        print('|==========执行触发=================|')
        print('|执行时期:%s|' % datetime.now())
        print('|操作: BUY                        |')
        print('|执行前总额:%s' % self.callback.account_Summary[-1][3])
        print('|===================================|')
        self.tws.reqIds(-1)
        takeProfit = Order()
        takeProfit.orderId = parent.orderId + 1
        takeProfit.m_action = "SELL"
        takeProfit.m_orderType = "LMT"
        takeProfit.m_totalQuantity = 300000
        takeProfit.m_lmtPrice = limit
        takeProfit.m_parentId = oid
        takeProfit.m_transmit = False

        stopLoss = Order()
        stopLoss.orderId = parent.orderId + 2
        stopLoss.m_action = "SELL"
        stopLoss.m_orderType = "STP"
        #Stop trigger price
        stopLoss.m_auxPrice = stop
        stopLoss.m_totalQuantity = 300000
        stopLoss.m_parentId = oid
        stopLoss.m_transmit = True

        bracketOrder = [parent, takeProfit, stopLoss]

        for o in bracketOrder:
            self.tws.placeOrder(o.orderId, contract_Details, o)
            self.tws.reqIds(-1)
        time.sleep(1)
        time.sleep(2)

    def sell(self, contract_Details, limit, stop):
        self.tws.reqIds(-1)
        time.sleep(0.5)
        oid = self.callback.next_ValidId
        parent = Order()
        parent.orderId = oid
        parent.m_action = "SELL"
        parent.m_orderType = "MKT"
        parent.m_totalQuantity = 300000
        parent.m_transmit = False
        print('|==========执行触发=================|')
        print('|执行时期:%s|' % datetime.now())
        print('|操作: BUY                        |')
        print('|执行前总额:%s' % self.callback.account_Summary[-1][3])
        print('|===================================|')
        self.tws.reqIds(-1)
        takeProfit = Order()
        takeProfit.orderId = parent.orderId + 1
        takeProfit.m_action = "BUY"
        takeProfit.m_orderType = "LMT"
        takeProfit.m_totalQuantity = 300000
        takeProfit.m_lmtPrice = limit
        takeProfit.m_parentId = oid
        takeProfit.m_transmit = False

        stopLoss = Order()
        stopLoss.orderId = parent.orderId + 2
        stopLoss.m_action = "BUY"
        stopLoss.m_orderType = "STP"
        #Stop trigger price
        stopLoss.m_auxPrice = stop
        stopLoss.m_totalQuantity = 300000
        stopLoss.m_parentId = oid
        stopLoss.m_transmit = True

        bracketOrder = [parent, takeProfit, stopLoss]

        for o in bracketOrder:
            self.tws.placeOrder(o.orderId, contract_Details, o)
            self.tws.reqIds(-1)
        time.sleep(1)
        time.sleep(2)

    def job(self):
        contract_Details = self.create.create_contract('EUR', 'CASH',
                                                       'IDEALPRO', 'USD')
        #self.tws.reqCurrentTime()
        #time.sleep(1)
        #ts = self.callback.current_Time
        #data_endtime = datetime.utcfromtimestamp(ts).strftime('%Y%m%d  %H:%M:%S')

        self.tws.reqHistoricalData(tickerId=self.tickerId,
                                   contract=contract_Details,
                                   endDateTime='',
                                   durationStr="1 D",
                                   barSizeSetting="1 min",
                                   whatToShow="BID",
                                   useRTH=0,
                                   formatDate=1)

        time.sleep(2)

        data = pd.DataFrame(self.callback.historical_Data,
                            columns=[
                                "reqId", "date", "open", "high", "low",
                                "close", "volume", "count", "WAP", "hasGaps"
                            ])[-500:-1]
        self.dd.findMatch(data)
        print(data)
        print(datetime.now())

        for b in self.dd.reversedBucket:
            print('|=============================================|')
            print('|检测到基因:%s|' % b)
            print('|=============================================|')
            if (self.filedf.index.contains(b)):
                stra = bqe.get_sharpe_stra(b)

                if (stra > 0):
                    threading.Thread(target=self.buy,
                                     args=[contract_Details,
                                           stra + 1]).start()
                elif (stra < 0):
                    threading.Thread(target=self.sell,
                                     args=[contract_Details,
                                           abs(stra - 1)]).start()

        self.tws.reqIds(-1)
        print('|===================================|')
        print('|总额:%s               |' % self.callback.account_Summary[-1][3])
        print('|===================================|')

    def run(self):
        print('|===========================================|')
        print('|=======欢迎使用beta版本,祝您好运==========|')
        print('|====新特性:1。止损定单 2。智能订单执行====|')
        print('|===========================================|')
        print('|===========================================|')
        self.tickerId = 9010

        while (1):
            now = datetime.now()
            if (now.second == 5):
                contract_Details = self.create.create_contract(
                    'EUR', 'CASH', 'IDEALPRO', 'USD')
                #self.tws.reqCurrentTime()
                #time.sleep(1)
                #ts = self.callback.current_Time
                #data_endtime = datetime.utcfromtimestamp(ts).strftime('%Y%m%d  %H:%M:%S')

                self.tws.reqHistoricalData(tickerId=self.tickerId,
                                           contract=contract_Details,
                                           endDateTime='',
                                           durationStr="1 D",
                                           barSizeSetting="1 min",
                                           whatToShow="BID",
                                           useRTH=0,
                                           formatDate=1)

                time.sleep(2)

                data = pd.DataFrame(self.callback.historical_Data,
                                    columns=[
                                        "reqId", "date", "open", "high", "low",
                                        "close", "volume", "count", "WAP",
                                        "hasGaps"
                                    ])[-500:-1]
                self.dd.findMatch(data)

                last_close = data.iloc[-1].close
                for b in self.dd.reversedBucket:
                    if (self.filedf.index.contains(b)):
                        print('usable gene: %s' % b)
                        limit, stop, action = bqe.get_monte_carlo_stra(
                            ast.literal_eval(b), self.column_index_value_dict,
                            self.binDict, self.df, self.RbinDict)

                        if (action > 0):
                            limit_price = last_close + limit
                            stop_price = last_close - stop
                            threading.Thread(target=self.buy,
                                             args=[
                                                 contract_Details, limit_price,
                                                 stop_price
                                             ]).start()

                        elif (action < 0):
                            limit_price = last_close - limit
                            stop_price = last_close + stop
                            threading.Thread(
                                target=self.sell,
                                args=[contract_Details, limit, stop]).start()

                self.tws.reqIds(-1)
                print('|===================================|')
                print('|总额:%s               |' %
                      self.callback.account_Summary[-1][3])
                print('|===================================|')

    def dc(self):
        self.tws.eDisconnect()
Esempio n. 6
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class TWS_gateway(threading.Thread):

    # config
    config = None
    # redis connection
    rs = None

    # channel clients' requests to IB/TWS
    cli_request_handler = None

    # manage conID / contracts mapping
    contract_subscription_mgr = None

    connection = None

    # handler to process incoming IB/TWS messages and echo back to clients
    tws_event_handler = None

    # monitor IB connection / heart beat
    ibh = None
    tlock = None
    ib_conn_status = None
    ib_order_transmit = False

    def __init__(self, host, port, clientId, kafka_host, kafka_port, config):
        super(TWS_gateway, self).__init__()
        self.config = config
        self.host = host
        self.port = port
        self.clientId = clientId
        self.ib_order_transmit = config.get("tws_gateway", "tws_gateway.order_transmit").strip('"').strip("'") if \
                                        config.get("tws_gateway", "tws_gateway.order_transmit").strip('"').strip("'") <> None\
                                        else False

        logging.info('starting up TWS_gateway...')
        logging.info('Order straight through (no-touch) flag = %s' %
                     ('True' if self.ib_order_transmit == True else 'False'))

        logging.info('connecting to Redis server...')
        self.initialize_redis(config)

        logging.info('starting up TWS_event_handler...')
        self.tws_event_handler = TWS_event_handler(kafka_host, kafka_port)

        logging.info('starting up IB EClientSocket...')
        self.connection = EClientSocket(self.tws_event_handler)

        logging.info('starting up client request handler - kafkaConsumer...')
        self.cli_request_handler = KafkaConsumer( *[(v,0) for v in list(TWS_Protocol.topicMethods) + list(TWS_Protocol.gatewayMethods) ], \
                                   metadata_broker_list=['%s:%s' % (kafka_host, kafka_port)],\
                                   group_id = 'epc.tws_gateway',\
                                   auto_commit_enable=True,\
                                   auto_commit_interval_ms=30 * 1000,\
                                   auto_offset_reset='largest') # discard old ones

        self.reset_message_offset()

        if not self.eConnect():
            logging.error(
                'TWS_gateway: unable to establish connection to IB %s:%d' %
                (self.host, self.port))
            sys.exit(-1)
        else:
            # start heart beat monitor
            logging.info('starting up IB heart beat monitor...')
            self.tlock = Lock()
            self.ibh = IbHeartBeat(config)
            self.ibh.register_listener([self.on_ib_conn_broken])
            self.ibh.run()

        logging.info('starting up subscription manager...')
        self.initialize_subscription_mgr()

    def initialize_subscription_mgr(self):

        self.contract_subscription_mgr = SubscriptionManager(self)
        self.contract_subscription_mgr.register_persistence_callback(
            self.persist_subscriptions)
        key = self.config.get(
            "tws_gateway",
            "subscription_manager.subscriptions.redis_key").strip('"').strip(
                "'")
        if self.rs.get(key):
            #contracts = map(lambda x: ContractHelper.kvstring2contract(x), json.loads(self.rs.get(key)))

            def is_outstanding(c):

                today = time.strftime('%Y%m%d')
                if c.m_expiry < today:
                    logging.info(
                        'initialize_subscription_mgr: ignoring expired contract %s%s%s'
                        % (c.m_expiry, c.m_strike, c.m_right))
                    return False
                return True

            contracts = filter(
                lambda x: is_outstanding(x),
                map(lambda x: ContractHelper.kvstring2object(x, Contract),
                    json.loads(self.rs.get(key))))

            self.contract_subscription_mgr.load_subscription(contracts)

    def persist_subscriptions(self, contracts):

        key = self.config.get(
            "tws_gateway",
            "subscription_manager.subscriptions.redis_key").strip('"').strip(
                "'")
        #cs = json.dumps(map(lambda x: ContractHelper.contract2kvstring(x) if x <> None else None, contracts))
        cs = json.dumps(
            map(
                lambda x: ContractHelper.object2kvstring(x)
                if x <> None else None, contracts))
        logging.debug(
            'Tws_gateway: updating subscription table to redis store %s' % cs)
        self.rs.set(key, cs)

    def initialize_redis(self, config):
        r_host = config.get("redis", "redis.server").strip('"').strip("'")
        r_port = config.get("redis", "redis.port")
        r_db = config.get("redis", "redis.db")

        self.rs = redis.Redis(r_host, r_port, r_db)
        try:
            self.rs.client_list()
        except redis.ConnectionError:
            logging.error(
                'TWS_gateway: unable to connect to redis server using these settings: %s port:%d db:%d'
                % (r_host, r_port, r_db))
            logging.error('aborting...')
            sys.exit(-1)

    def reset_message_offset(self):
        topic_offsets = map(
            lambda topic: (topic,
                           self.cli_request_handler.get_partition_offsets(
                               topic, 0, -1, 999)),
            TWS_Protocol.topicMethods + TWS_Protocol.gatewayMethods)
        topic_offsets = filter(
            lambda x: x <> None,
            map(lambda x: (x[0], x[1][1], x[1][0])
                if len(x[1]) > 1 else None, topic_offsets))
        logging.info('TWS_gateway set topic offset to the latest point\n%s' %
                     (''.join('%s,%s,%s\n' % (x[0], x[1], x[2])
                              for x in topic_offsets)))

        # the set_topic_partitions method clears out all previous settings when executed
        # therefore it's not possible to call the function multiple times:
        # self.consumer.set_topic_partitions(('gw_subscriptions', 0, 114,)
        # self.consumer.set_topic_partitions(('tickPrice', 0, 27270,))
        # as the second call will wipe out whatever was done previously

        self.cli_request_handler.set_topic_partitions(*topic_offsets)

    def run(self):

        for message in self.cli_request_handler:

            logging.info("%s:%d:%d: key=%s value=%s" %
                         (message.topic, message.partition, message.offset,
                          message.key, message.value))

            #             print ("TWS_gateway: received client request %s:%d:%d: key=%s value=%s" % (message.topic, message.partition,
            #                                          message.offset, message.key,
            #                                          message.value))

            getattr(self, message.topic, None)(message.value)
            #self.cli_request_handler.task_done(message)

    def on_ib_conn_broken(self, msg):
        logging.error('TWS_gateway: detected broken IB connection!')
        self.ib_conn_status = 'ERROR'
        self.tlock.acquire()  # this function may get called multiple times
        try:  # block until another party finishes executing
            if self.ib_conn_status == 'OK':  # check status
                return  # if already fixed up while waiting, return

            self.eDisconnect()
            self.eConnect()
            while not self.connection.isConnected():
                logging.error('TWS_gateway: attempt to reconnect...')
                self.eConnect()
                sleep(2)

            # we arrived here because the connection has been restored
            # resubscribe tickers again!
            logging.info(
                'TWS_gateway: IB connection restored...resubscribe contracts')
            self.contract_subscription_mgr.force_resubscription()

        finally:
            self.tlock.release()

    def eConnect(self):
        logging.info('TWS_gateway - eConnect. Connecting to %s:%s App Id: %s' %
                     (self.host, self.port, self.clientId))
        self.connection.eConnect(self.host, self.port, self.clientId)
        return self.connection.isConnected()

    def reqAccountUpdates(self, value=None):
        logging.info('TWS_gateway - reqAccountUpdates value=%s' % value)
        self.connection.reqAccountUpdates(1, '')

    def reqAccountSummary(self, value):
        logging.info('TWS_gateway - reqAccountSummary value=%s' % value)

        vals = map(
            lambda x: x.encode('ascii') if isinstance(x, unicode) else x,
            json.loads(value))
        self.connection.reqAccountSummary(vals[0], vals[1], vals[2])

    def reqOpenOrders(self, value=None):
        self.connection.reqOpenOrders()

    def reqPositions(self, value=None):
        self.connection.reqPositions()

    def reqExecutions(self, value):
        try:
            filt = ExecutionFilter(
            ) if value == '' else ExecutionFilterHelper.kvstring2object(
                value, ExecutionFilter)
            self.connection.reqExecutions(0, filt)
        except:
            logging.error(traceback.format_exc())

    def reqIds(self, value=None):
        self.connection.reqIds(1)

    def reqNewsBulletins(self):
        self.connection.reqNewsBulletins(1)

    def cancelNewsBulletins(self):
        self.connection.cancelNewsBulletins()

    def setServerLogLevel(self):
        self.connection.setServerLogLevel(3)

    def reqAutoOpenOrders(self):
        self.connection.reqAutoOpenOrders(1)

    def reqAllOpenOrders(self):
        self.connection.reqAllOpenOrders()

    def reqManagedAccts(self):
        self.connection.reqManagedAccts()

    def requestFA(self):
        self.connection.requestFA(1)

    def reqMktData(self, sm_contract):
        logging.info('TWS Gateway received reqMktData request: %s' %
                     sm_contract)
        try:
            #self.contract_subscription_mgr.reqMktData(ContractHelper.kvstring2contract(sm_contract))
            self.contract_subscription_mgr.reqMktData(
                ContractHelper.kvstring2object(sm_contract, Contract))
        except:
            pass

    def reqHistoricalData(self):
        contract = Contract()
        contract.m_symbol = 'QQQQ'
        contract.m_secType = 'STK'
        contract.m_exchange = 'SMART'
        endtime = strftime('%Y%m%d %H:%M:%S')
        self.connection.reqHistoricalData(tickerId=1,
                                          contract=contract,
                                          endDateTime=endtime,
                                          durationStr='1 D',
                                          barSizeSetting='1 min',
                                          whatToShow='TRADES',
                                          useRTH=0,
                                          formatDate=1)

    def placeOrder(self, value=None):
        logging.info('TWS_gateway - placeOrder value=%s' % value)
        try:
            vals = json.loads(value)
        except ValueError:
            logging.error('TWS_gateway - placeOrder Exception %s' %
                          traceback.format_exc())
            return

#        c = ContractHelper.kvstring2contract(vals[1])
        o = OrderHelper.kvstring2object(vals[2], Order)
        o.__dict__['transmit'] = self.ib_order_transmit
        #         print c.__dict__
        #         print o.__dict__
        #         print '---------------------'

        #self.connection.placeOrder(vals[0], ContractHelper.kvstring2contract(vals[1]), OrderHelper.kvstring2object(vals[2], Order))
        self.connection.placeOrder(
            vals[0], ContractHelper.kvstring2object(vals[1], Contract),
            OrderHelper.kvstring2object(vals[2], Order))
#        self.connection.placeOrder(orderId, contract, newOptOrder)

    def eDisconnect(self, value=None):
        sleep(2)
        self.connection.eDisconnect()


####################################################################3
#   Gateway commands

    def gw_req_subscriptions(self, value=None):

        #subm = map(lambda i: ContractHelper.contract2kvstring(self.contract_subscription_mgr.handle[i]), range(len(self.contract_subscription_mgr.handle)))
        #subm = map(lambda i: ContractHelper.object2kvstring(self.contract_subscription_mgr.handle[i]), range(len(self.contract_subscription_mgr.handle)))
        subm = map(
            lambda i: (i,
                       ContractHelper.object2kvstring(
                           self.contract_subscription_mgr.handle[i])),
            range(len(self.contract_subscription_mgr.handle)))

        print subm
        if subm:
            self.tws_event_handler.broadcast_event('gw_subscriptions',
                                                   {'subscriptions': subm},
                                                   source='GW')