Example #1
0
    def __init__(self, logger):
        super()
        self.logger = logger
        self.name = "BitMEX"
        self.symbols = ["XBTUSD"]  # "ETHUSD", "XRPUSD"
        self.channels = ["trade"]  # , "orderBookL2"

        self.origin_tss = {
            "XBTUSD": 1483228800,
            "ETHUSD": 1533200520,
            "XRPUSD": 1580875200
        }

        self.api_key = None
        self.api_secret = None

        # Non persistent datastores.
        self.bars = {}
        self.ticks = {}

        # Connect to trade websocket
        self.ws = Bitmex_WS(self.logger, self.symbols, self.channels,
                            self.WS_URL, self.api_key, self.api_secret)
        if not self.ws.ws.sock.connected:
            self.logger.debug("Failed to to connect to BitMEX websocket.")
Example #2
0
    def __init__(self, logger):
        super()
        self.logger = logger
        self.name = "BitMEX"
        self.symbols = ["XBTUSD"]  # "ETHUSD", "XRPUSD", "BCHUSD", LTCUSD", "LINKUSDT"]

        # Minimum price increment for each instrument.
        self.symbol_min_increment = {
            'XBTUSD': 0.5,
            'ETHUSD': 0.05,
            'XRPUSD': 0.0001}
            # 'BCHUSD': 0.05,
            # 'LTCUSD' : 0.01,
            # 'LINKUSDT': 0.0005}

        # Websocket subscription channels.
        self.channels = ["trade"]

        # Not needed but saves a few rest polls, thus saves time.
        self.origin_tss = {
            "XBTUSD": 1483228800,
            "ETHUSD": 1533200520,
            "XRPUSD": 1580875200}
            # 'BCHUSD': ,
            # 'LTCUSD' : ,
            # 'LINKUSDT': }

        self.api_key, self.api_secret = self.load_api_keys()

        # Connect to websocket stream.
        self.ws = Bitmex_WS(
            self.logger, self.symbols, self.channels, self.WS_URL,
            self.api_key, self.api_secret)
        if not self.ws.ws.sock.connected:
            self.logger.info("Failed to to connect to BitMEX websocket.")

        # Set default https request retry behaviour.
        retries = Retry(
            total=5,
            backoff_factor=0.25,
            status_forcelist=[502, 503, 504],
            method_whitelist=False)
        self.session = Session()
        self.session.mount('https://', HTTPAdapter(max_retries=retries))

        # Non persistent storage for ticks and new 1 min bars.
        self.bars = {}
        self.ticks = {}
Example #3
0
    def __init__(self, logger):
        super()
        self.logger = logger
        self.name = "BitMEX"
        self.symbols = ["XBTUSD", "ETHUSD"]
        self.channels = ["trade"]  # , "orderBookL2"
        self.origin_tss = {"XBTUSD": 1483228800, "ETHUSD": 1533200520}
        self.api_key = None
        self.api_secret = None

        # only ever stores the most recent minutes bars, not persistent
        self.bars = {}

        # connect to websocket
        self.ws = Bitmex_WS(self.logger, self.symbols, self.channels,
                            self.WS_URL, self.api_key, self.api_secret)
        if not self.ws.ws.sock.connected:
            self.logger.debug("Failed to to connect to BitMEX websocket.")
Example #4
0
class Bitmex(Exchange):
    """BitMEX exchange model"""

    MAX_BARS_PER_REQUEST = 750
    BASE_URL = "https://www.bitmex.com/api/v1"
    BARS_URL = "/trade/bucketed?binSize="
    # WS_URL = "wss://testnet.bitmex.com/realtime"
    WS_URL = "wss://www.bitmex.com/realtime"
    TIMESTAMP_FORMAT = '%Y-%m-%d%H:%M:%S.%f'

    def __init__(self, logger):
        super()
        self.logger = logger
        self.name = "BitMEX"
        self.symbols = ["XBTUSD", "ETHUSD"]
        self.channels = ["trade"]  # , "orderBookL2"
        self.origin_tss = {"XBTUSD": 1483228800, "ETHUSD": 1533200520}
        self.api_key = None
        self.api_secret = None

        # only ever stores the most recent minutes bars, not persistent
        self.bars = {}

        # connect to websocket
        self.ws = Bitmex_WS(self.logger, self.symbols, self.channels,
                            self.WS_URL, self.api_key, self.api_secret)
        if not self.ws.ws.sock.connected:
            self.logger.debug("Failed to to connect to BitMEX websocket.")

    def parse_ticks(self):
        if not self.ws.ws:
            self.logger.debug("BitMEX websocket disconnected.")
        else:
            all_ticks = self.ws.get_ticks()
            target_minute = datetime.datetime.utcnow().minute - 1
            ticks_target_minute = []
            tcount = 0

            # search from end of tick list to grab newest ticks first
            for i in reversed(all_ticks):
                try:
                    ts = i['timestamp']
                    if type(ts) is not datetime.datetime:
                        ts = parser.parse(ts)
                except Exception:
                    self.logger.debug(traceback.format_exc())
                # scrape prev minutes ticks
                if ts.minute == target_minute:
                    ticks_target_minute.append(i)
                    ticks_target_minute[tcount]['timestamp'] = ts
                    tcount += 1
                # store the previous-to-target bar's last
                # traded price to use as the open price for target bar
                if ts.minute == target_minute - 1:
                    ticks_target_minute.append(i)
                    ticks_target_minute[tcount]['timestamp'] = ts
                    break
            ticks_target_minute.reverse()

            # reset bar dict ready for new bars
            self.bars = {i: [] for i in self.symbols}

            # build 1 min bars for each symbol
            for symbol in self.symbols:
                ticks = [
                    i for i in ticks_target_minute if i['symbol'] == symbol
                ]
                bar = self.build_OHLCV(ticks, symbol)
                self.bars[symbol].append(bar)
                # self.logger.debug(bar)

    def get_bars_in_period(self, symbol, start_time, total):
        """Returns specified amount of 1 min bars starting from start_time.
        E.g      get_bars_in_period("XBTUSD", 1562971900, 100)"""

        if total >= self.MAX_BARS_PER_REQUEST:
            total = self.MAX_BARS_PER_REQUEST

        # convert epoch timestamp to ISO 8601
        start = datetime.datetime.utcfromtimestamp(start_time).isoformat()
        timeframe = "1m"

        # request url string
        payload = (f"{self.BASE_URL}{self.BARS_URL}{timeframe}&"
                   f"symbol={symbol}&filter=&count={total}&"
                   f"startTime={start}&reverse=false")
        bars_to_parse = requests.get(payload).json()

        # store only required values (OHLCV) and convert timestamp to epoch
        new_bars = []
        for bar in bars_to_parse:
            new_bars.append({
                'symbol':
                symbol,
                'timestamp':
                int(parser.parse(bar['timestamp']).timestamp()),
                'open':
                bar['open'],
                'high':
                bar['high'],
                'low':
                bar['low'],
                'close':
                bar['close'],
                'volume':
                bar['volume']
            })

        return new_bars

    def get_origin_timestamp(self, symbol: str):
        """Return millisecond timestamp of first available 1 min bar. If the
        timestamp is stored, return that, otherwise poll the exchange."""

        if self.origin_tss[symbol] is not None:
            return self.origin_tss[symbol]
        else:
            payload = (
                f"{self.BASE_URL}{self.BARS_URL}1m&symbol={symbol}&filter=&"
                f"count=1&startTime=&reverse=false")

            response = requests.get(payload).json()[0]['timestamp']

            return int(parser.parse(response).timestamp())
Example #5
0
class Bitmex(Exchange):
    """
    BitMEX exchange model.
    """

    MAX_BARS_PER_REQUEST = 750
    BASE_URL = "https://www.bitmex.com/api/v1"
    BARS_URL = "/trade/bucketed?binSize="
    TICKS_URL = "/trade?symbol="
    # WS_URL = "wss://testnet.bitmex.com/realtime"
    WS_URL = "wss://www.bitmex.com/realtime"
    TIMESTAMP_FORMAT = '%Y-%m-%d%H:%M:%S.%f'

    def __init__(self, logger):
        super()
        self.logger = logger
        self.name = "BitMEX"
        self.symbols = ["XBTUSD"]  # "ETHUSD", "XRPUSD"
        self.channels = ["trade"]  # , "orderBookL2"

        self.origin_tss = {
            "XBTUSD": 1483228800,
            "ETHUSD": 1533200520,
            "XRPUSD": 1580875200
        }

        self.api_key = None
        self.api_secret = None

        # Non persistent datastores.
        self.bars = {}
        self.ticks = {}

        # Connect to trade websocket
        self.ws = Bitmex_WS(self.logger, self.symbols, self.channels,
                            self.WS_URL, self.api_key, self.api_secret)
        if not self.ws.ws.sock.connected:
            self.logger.debug("Failed to to connect to BitMEX websocket.")

        # Note, for future channel subs, create assitional Bitmex_WS.

    def parse_ticks(self):

        if not self.ws.ws:
            self.logger.debug("BitMEX websocket disconnected.")
        else:
            all_ticks = self.ws.get_ticks()
            target_minute = datetime.now().minute - 1
            ticks_target_minute = []
            tcount = 0

            # Search from end of tick list to grab newest ticks first.
            for i in reversed(all_ticks):
                try:
                    ts = i['timestamp']
                    if type(ts) is not datetime:
                        ts = parser.parse(ts)
                except Exception:
                    self.logger.debug(traceback.format_exc())

                # Scrape prev minutes ticks.
                if ts.minute == target_minute:
                    ticks_target_minute.append(i)
                    ticks_target_minute[tcount]['timestamp'] = ts
                    tcount += 1

                # Store the previous-to-target bar's last
                # traded price to use as the open price for target bar.
                if ts.minute == target_minute - 1:
                    ticks_target_minute.append(i)
                    ticks_target_minute[tcount]['timestamp'] = ts
                    break

            ticks_target_minute.reverse()

            # Group ticks by symbol.
            self.ticks = {i: [] for i in self.symbols}
            for tick in ticks_target_minute:
                self.ticks[tick['symbol']].append(tick)

            #  Build bars from ticks.
            self.bars = {i: [] for i in self.symbols}
            for symbol in self.symbols:
                bar = self.build_OHLCV(self.ticks[symbol], symbol)
                self.bars[symbol].append(bar)

    def get_bars_in_period(self, symbol, start_time, total):

        if total >= self.MAX_BARS_PER_REQUEST:
            total = self.MAX_BARS_PER_REQUEST

        # Convert epoch timestamp to ISO 8601.
        start = datetime.utcfromtimestamp(start_time).isoformat()
        timeframe = "1m"

        payload = (f"{self.BASE_URL}{self.BARS_URL}{timeframe}&"
                   f"symbol={symbol}&filter=&count={total}&"
                   f"startTime={start}&reverse=false")

        # Uncomment below line to manually verify results.
        # self.logger.debug("API request string: " + payload)

        bars_to_parse = requests.get(payload).json()

        # Store only required values (OHLCV) and convert timestamp to epoch.
        new_bars = []
        for bar in bars_to_parse:
            new_bars.append({
                'symbol':
                symbol,
                'timestamp':
                int(parser.parse(bar['timestamp']).timestamp()),
                'open':
                bar['open'],
                'high':
                bar['high'],
                'low':
                bar['low'],
                'close':
                bar['close'],
                'volume':
                bar['volume']
            })

        return new_bars

    def get_origin_timestamp(self, symbol: str):

        if self.origin_tss[symbol] is not None:
            return self.origin_tss[symbol]
        else:
            payload = (
                f"{self.BASE_URL}{self.BARS_URL}1m&symbol={symbol}&filter=&"
                f"count=1&startTime=&reverse=false")

            response = requests.get(payload).json()[0]['timestamp']
            timestamp = int(parser.parse(response).timestamp())

            self.logger.debug("BitMEX" + symbol + " origin timestamp: " +
                              str(timestamp))

            return timestamp

    def get_recent_bars(timeframe, symbol, n=1):

        payload = str(self.BASE_URL + self.BARS_URL + timeframe +
                      "&partial=false&symbol=" + symbol + "&count=" + str(n) +
                      "&reverse=true")

        result = requests.get(payload).json()

        bars = []
        for i in result:
            bars.append({
                'symbol': symbol,
                'timestamp': i['timestamp'],
                'open': i['open'],
                'high': i['high'],
                'low': i['low'],
                'close': i['close'],
                'volume': i['volume']
            })
        return bars

    def get_recent_ticks(symbol, n=1):

        # Find difference between start and end of period.
        delta = n * 60

        # Find start timestamp and convert to ISO1806.
        start_epoch = self.previous_minute() + 60 - delta
        start_iso = datetime.utcfromtimestamp(start_epoch).isoformat()

        # find end timestamp and convert to ISO1806
        end_epoch = previous_minute() + 60
        end_iso = datetime.utcfromtimestamp(end_epoch).isoformat()

        # Initial poll.
        sleep(1)
        payload = str(self.BASE_URL + self.TICKS_URL + symbol + "&count=" +
                      "1000&reverse=false&startTime=" + start_iso +
                      "&endTime" + end_iso)

        ticks = []
        initial_result = requests.get(payload).json()
        for tick in initial_result:
            ticks.append(tick)

        # If 1000 ticks in result (max size), keep polling until
        # we get a response with length <1000.
        if len(initial_result) == 1000:

            maxed_out = True
            while maxed_out:

                # Dont use endTime as it seems to cut off the final few ticks.
                payload = str(BASE_URL + TICKS_URL + symbol + "&count=" +
                              "1000&reverse=false&startTime=" +
                              ticks[-1]['timestamp'])

                interim_result = requests.get(payload).json()
                for tick in interim_result:
                    ticks.append(tick)

                if len(interim_result) != 1000:
                    maxed_out = False

        # Check median tick timestamp matches start_iso.
        median_dt = parser.parse(ticks[int((len(ticks) / 2))]['timestamp'])
        match_dt = parser.parse(start_iso)
        if median_dt.minute != match_dt.minute:
            raise Exception("Tick data timestamp error: timestamp mismatch.")

        # Populate list with matching-timestamped ticks only.
        final_ticks = [
            i for i in ticks
            if parser.parse(i['timestamp']).minute == match_dt.minute
        ]

        return final_ticks
Example #6
0
class Bitmex(Exchange):
    """
    BitMEX exchange model.
    """

    MAX_BARS_PER_REQUEST = 750
    TIMESTAMP_FORMAT = '%Y-%m-%d%H:%M:%S.%f'
    REQUEST_TIMEOUT = 10

    BASE_URL = "https://www.bitmex.com/api/v1"
    BASE_URL_TESTNET = "https://testnet.bitmex.com/api/v1"
    WS_URL = "wss://www.bitmex.com/realtime"
    BARS_URL = "/trade/bucketed?binSize="
    TICKS_URL = "/trade?symbol="
    POSITIONS_URL = "/position"
    ORDERS_URL = "/order"
    BULK_ORDERS_URL = "/order/bulk"
    TRADE_HIST_URL = "/execution/tradeHistory"

    def __init__(self, logger):
        super()
        self.logger = logger
        self.name = "BitMEX"
        self.symbols = ["XBTUSD"]  # "ETHUSD", "XRPUSD", "BCHUSD", LTCUSD", "LINKUSDT"]

        # Minimum price increment for each instrument.
        self.symbol_min_increment = {
            'XBTUSD': 0.5,
            'ETHUSD': 0.05,
            'XRPUSD': 0.0001}
            # 'BCHUSD': 0.05,
            # 'LTCUSD' : 0.01,
            # 'LINKUSDT': 0.0005}

        # Websocket subscription channels.
        self.channels = ["trade"]

        # Not needed but saves a few rest polls, thus saves time.
        self.origin_tss = {
            "XBTUSD": 1483228800,
            "ETHUSD": 1533200520,
            "XRPUSD": 1580875200}
            # 'BCHUSD': ,
            # 'LTCUSD' : ,
            # 'LINKUSDT': }

        self.api_key, self.api_secret = self.load_api_keys()

        # Connect to websocket stream.
        self.ws = Bitmex_WS(
            self.logger, self.symbols, self.channels, self.WS_URL,
            self.api_key, self.api_secret)
        if not self.ws.ws.sock.connected:
            self.logger.info("Failed to to connect to BitMEX websocket.")

        # Set default https request retry behaviour.
        retries = Retry(
            total=5,
            backoff_factor=0.25,
            status_forcelist=[502, 503, 504],
            method_whitelist=False)
        self.session = Session()
        self.session.mount('https://', HTTPAdapter(max_retries=retries))

        # Non persistent storage for ticks and new 1 min bars.
        self.bars = {}
        self.ticks = {}

        # Note, for future channel subs, create new Bitmex_WS in new process.

    def parse_ticks(self):

        if not self.ws.ws:
            self.logger.info("BitMEX websocket disconnected.")
        else:
            all_ticks = self.ws.get_ticks()
            target_minute = datetime.now().minute - 1
            ticks_target_minute = []
            tcount = 0

            # Search from end of tick list to grab newest ticks first.
            for i in reversed(all_ticks):
                try:
                    ts = i['timestamp']
                    if type(ts) is not datetime:
                        ts = parser.parse(ts)
                except Exception:
                    self.logger.info(traceback.format_exc())

                # Scrape prev minutes ticks.
                if ts.minute == target_minute:
                    ticks_target_minute.append(i)
                    ticks_target_minute[tcount]['timestamp'] = ts
                    tcount += 1

                # Store the previous-to-target bar's last
                # traded price to use as the open price for target bar.
                if ts.minute == target_minute - 1:
                    ticks_target_minute.append(i)
                    ticks_target_minute[tcount]['timestamp'] = ts
                    break

            ticks_target_minute.reverse()

            # Group ticks by symbol.
            self.ticks = {i: [] for i in self.symbols}
            for tick in ticks_target_minute:
                self.ticks[tick['symbol']].append(tick)

            #  Build bars from ticks.
            self.bars = {i: [] for i in self.symbols}
            for symbol in self.symbols:
                bar = self.build_OHLCV(self.ticks[symbol], symbol)
                self.bars[symbol].append(bar)

    def get_bars_in_period(self, symbol, start_time, total):

        if total >= self.MAX_BARS_PER_REQUEST:
            total = self.MAX_BARS_PER_REQUEST

        # Convert epoch timestamp to ISO 8601.
        start = datetime.utcfromtimestamp(start_time).isoformat()
        timeframe = "1m"

        payload = (
            f"{self.BASE_URL}{self.BARS_URL}{timeframe}&"
            f"symbol={symbol}&filter=&count={total}&"
            f"startTime={start}&reverse=false")

        # self.logger.info("API request string: " + payload)

        bars_to_parse = requests.get(payload).json()

        # Store only required values (OHLCV) and convert timestamp to epoch.
        new_bars = []
        for bar in bars_to_parse:
            new_bars.append({
                'symbol': symbol,
                'timestamp': int(parser.parse(bar['timestamp']).timestamp()),
                'open': bar['open'],
                'high': bar['high'],
                'low': bar['low'],
                'close': bar['close'],
                'volume': bar['volume']})

        return new_bars

    def get_origin_timestamp(self, symbol: str):

        if self.origin_tss[symbol] is not None:
            return self.origin_tss[symbol]
        else:
            payload = (
                f"{self.BASE_URL}{self.BARS_URL}1m&symbol={symbol}&filter=&"
                f"count=1&startTime=&reverse=false")

            response = requests.get(payload).json()[0]['timestamp']
            timestamp = int(parser.parse(response).timestamp())

            self.logger.info(
                "BitMEX" + symbol + " origin timestamp: " + str(timestamp))

            return timestamp

    def get_recent_bars(self, timeframe, symbol, n=1):

        payload = str(
            self.BASE_URL + self.BARS_URL + timeframe +
            "&partial=false&symbol=" + symbol + "&count=" +
            str(n) + "&reverse=true")

        result = requests.get(payload).json()

        bars = []
        for i in result:
            bars.append({
                    'symbol': symbol,
                    'timestamp': i['timestamp'],
                    'open': i['open'],
                    'high': i['high'],
                    'low': i['low'],
                    'close': i['close'],
                    'volume': i['volume']})
        return bars

    def get_recent_ticks(self, symbol, n=1):

        # Find difference between start and end of period.
        delta = n * 60

        # Find start timestamp and convert to ISO1806.
        start_epoch = self.previous_minute() + 60 - delta
        start_iso = datetime.utcfromtimestamp(start_epoch).isoformat()

        # find end timestamp and convert to ISO1806
        end_epoch = self.previous_minute() + 60
        end_iso = datetime.utcfromtimestamp(end_epoch).isoformat()

        # Initial poll.
        time.sleep(1)
        payload = str(
            self.BASE_URL + self.TICKS_URL + symbol + "&count=" +
            "1000&reverse=false&startTime=" + start_iso + "&endTime" + end_iso)

        ticks = []
        initial_result = requests.get(payload).json()
        for tick in initial_result:
            ticks.append(tick)

        # If 1000 ticks in result (max size), keep polling until
        # we get a response with length <1000.
        if len(initial_result) == 1000:

            maxed_out = True
            while maxed_out:

                # Dont use endTime as it seems to cut off the final few ticks.
                payload = str(
                    self.BASE_URL + self.TICKS_URL + symbol + "&count=" +
                    "1000&reverse=false&startTime=" + ticks[-1]['timestamp'])

                interim_result = requests.get(payload).json()
                for tick in interim_result:
                    ticks.append(tick)

                if len(interim_result) != 1000:
                    maxed_out = False

        # Check median tick timestamp matches start_iso.
        median_dt = parser.parse(ticks[int((len(ticks) / 2))]['timestamp'])
        match_dt = parser.parse(start_iso)
        if median_dt.minute != match_dt.minute:
            raise Exception("Tick data timestamp error: timestamp mismatch.")

        # Populate list with matching-timestamped ticks only.
        final_ticks = [
            i for i in ticks if parser.parse(
                i['timestamp']).minute == match_dt.minute]

        return final_ticks

    def get_position(self, symbol):
        prepared_request = Request(
            'GET',
            self.BASE_URL_TESTNET + self.POSITIONS_URL,
            params='').prepare()
        request = self.generate_request_headers(prepared_request, self.api_key,
                                                self.api_secret)
        response = self.session.send(request).json()

        for pos in response:
            if pos['symbol'] == symbol:

                status = "OPEN" if pos['isOpen'] is True else "CLOSED"
                direction = "LONG" if pos['currentQty'] > 0 else "SHORT"

                return {
                    'size': pos['currentQty'],
                    'avg_entry_price': pos['avgEntryPrice'],
                    'symbol': symbol,
                    'direction': direction,
                    'currency': pos['quoteCurrency'],
                    'opening_timestamp': pos['openingTimestamp'],
                    'opening_size': pos['openingQty'],
                    'status': status}

    def get_executions(self, symbol, start_timestamp=None, end_timestamp=None, count=500):

        # Convert epoch ts's to utc human-readable
        start = str(datetime.utcfromtimestamp(start_timestamp)) if start_timestamp else None
        end = str(datetime.utcfromtimestamp(end_timestamp)) if end_timestamp else None

        payload = {
            'symbol': symbol,
            'count': count,
            'startTime': start,
            'endTime': end,
            'reverse': True}

        prepared_request = Request(
            'GET',
            self.BASE_URL_TESTNET + self.TRADE_HIST_URL,
            json=payload,
            params='').prepare()

        request = self.generate_request_headers(
            prepared_request,
            self.api_key,
            self.api_secret)

        response = self.session.send(request).json()

        executions = []
        for res in response:

            fee_type = "TAKER" if res['lastLiquidityInd'] == "RemovedLiquidity" else "MAKER"
            direction = "LONG" if res['side'] == "Buy" else "SHORT"

            if res['ordStatus'] == "Filled":
                fill = "FILLED"
            elif res['ordStatus'] == "Canceled":
                fill = "CANCELLED"
            elif res['ordStatus'] == "New":
                fill = "NEW"
            elif res['ordStatus'] == "PartiallyFilled":
                fill = "PARTIAL"
            else:
                raise Exception(res['ordStatus'])

            if res['ordType'] == "Limit":
                order_type = "LIMIT"
            elif res['ordType'] == "Market":
                order_type = "MARKET"
            elif res['ordType'] == "StopLimit":
                order_type = "STOP_LIMIT"
            elif res['ordType'] == "Stop":
                order_type = "STOP"
            else:
                raise Exception(res['ordType'])

            executions.append({
                    'order_id': res['clOrdID'],
                    'venue_id': res['orderID'],
                    'timestamp': int(parser.parse(res['timestamp']).timestamp()),
                    'avg_exc_price': res['avgPx'],
                    'currency': res['currency'],
                    'symbol': res['symbol'],
                    'direction': direction,
                    'size': res['lastQty'],
                    'order_type': order_type,
                    'fee_type': fee_type,
                    'fee_amt': res['commission'],
                    'total_fee': res['execComm'] / res['avgPx'],
                    'status': fill})

        return executions

    def close_position(self, symbol, qty=None, direction=None):
        position = self.get_position(symbol)

        if direction == "LONG":
            amt = -qty
        elif direction == "SHORT":
            amt = qty
        else:
            raise Exception(direction)

        if qty and direction:
            payload = {
                'symbol': symbol,
                'orderQty': amt,
                'ordType': "Market"}
        else:
            payload = {
                'symbol': symbol,
                'orderQty': -position['currentQty'],
                'ordType': "Market"}

        # Don't do anything if closing size or position size is 0.
        if payload['orderQty'] != 0 and position['currentQty'] != 0:
            prepared_request = Request(
                'POST',
                self.BASE_URL_TESTNET + self.ORDERS_URL,
                json=payload,
                params='').prepare()

            request = self.generate_request_headers(
                prepared_request,
                self.api_key,
                self.api_secret)

            response = self.session.send(request).json()

            if response['ordStatus'] == "Filled":
                return True
            else:
                return False
        else:
            return False

    def get_orders(self, symbol=None, start_timestamp=None, count=500):

        # Convert epoch ts's to utc human-readable
        start = str(datetime.utcfromtimestamp(start_timestamp)) if start_timestamp else None

        payload = {
            'symbol': symbol,
            'count': count,
            'startTime': start,
            'reverse': True}

        prepared_request = Request(
            'GET',
            self.BASE_URL_TESTNET + self.ORDERS_URL,
            params='', json=payload).prepare()

        request = self.generate_request_headers(prepared_request, self.api_key,
                                                self.api_secret)
        response = self.session.send(request).json()

        orders = []
        for res in response:
            if res['clOrdID']:

                direction = "LONG" if res['side'] == "Buy" else "SHORT"

                if res['ordStatus'] == "Filled":
                    fill = "FILLED"
                elif res['ordStatus'] == "Canceled":
                    fill = "CANCELLED"
                elif res['ordStatus'] == "New":
                    fill = "NEW"
                elif res['ordStatus'] == "PartiallyFilled":
                    fill = "PARTIAL"
                else:
                    raise Exception(res['ordStatus'])

                if res['ordType'] == "Limit":
                    order_type = "LIMIT"
                elif res['ordType'] == "Market":
                    order_type = "MARKET"
                elif res['ordType'] == "StopLimit":
                    order_type = "STOP_LIMIT"
                elif res['ordType'] == "Stop":
                    order_type = "STOP"
                else:
                    raise Exception(res['ordType'])

                # If "\n" in response text field, use substring after "\n".
                if "\n" in res['text']:
                    text = res['text'].split("\n")
                    metatype = text[1]
                elif (
                    res['text'] == "ENTRY" or res['text'] == "STOP" or
                        res['text'] == "TAKE_PROFIT" or
                        res['text'] == "FINAL_TAKE_PROFIT"):
                    metatype = res['text']
                else:
                    # raise Exception("Order metatype error:", res['text'])
                    metatype = None

                orders.append({
                    'order_id': res['clOrdID'],
                    'venue_id': res['orderID'],
                    'timestamp': int(parser.parse(res['timestamp']).timestamp()),
                    'price': res['price'],
                    'avg_fill_price': res['avgPx'],
                    'currency': res['currency'],
                    'venue': "BitMEX",
                    'symbol': res['symbol'],
                    'direction': direction,
                    'size': res['orderQty'],
                    'order_type': order_type,
                    'metatype': metatype,
                    'void_price': res['stopPx'],
                    'status': fill})

        return orders

    def place_single_order(self, order):

        payload = self.format_orders([order])[0]

        prepared_request = Request(
            'POST',
            self.BASE_URL_TESTNET + self.ORDERS_URL,
            json=payload,
            params='').prepare()

        request = self.generate_request_headers(
            prepared_request,
            self.api_key,
            self.api_secret)

        response = self.session.send(request)

        return response

    def place_bulk_orders(self, orders):

        # Separate market orders as BitMEX doesnt allow bulk market orders.
        m_o = [o for o in orders if o['order_type'] == "MARKET"]
        nm_o = [o for o in orders if o not in m_o]

        # Send market orders individually amd store responses.
        responses = [self.place_single_order(o) for o in m_o if m_o]

        # Submit non-market orders in a single batch.
        response = None
        if nm_o:
            payload = {'orders': self.format_orders(nm_o)}

            prepared_request = Request(
                'POST',
                self.BASE_URL_TESTNET + self.BULK_ORDERS_URL,
                json=payload,
                params='').prepare()

            request = self.generate_request_headers(
                prepared_request,
                self.api_key,
                self.api_secret)

            response = self.session.send(request)

        # Unpack successful order confirmations and handle errors.
        order_confirmations = []
        for r in responses + [response]:
            if r.status_code == 200:

                res = r.json()
                if isinstance(res, list):
                    for item in res:
                        order_confirmations.append(item)
                elif isinstance(res, dict):
                    order_confirmations.append(res)

            elif 401 <= r.status_code <= 404:
                # Syntax, auth or system limit error messages, raise exception.
                # Code likely wrong if this occurs.
                raise Exception(r.status_code, r.json()['error']['message'])

            elif r.status_code == 503:
                # Server overloaded, retry after 500ms, dont raise exception.
                self.logger.info(
                    str(r.status_code) + " " + r.json()['error']['message'])
            else:
                self.logger.info(str(r.status_code) + " " + str(r.json()))

        updated_orders = []
        if order_confirmations:
            for res in order_confirmations:
                for order in orders:

                    if order['order_id'] == res['clOrdID']:

                        if res['ordStatus'] == "Filled":
                            fill = "FILLED"
                        elif res['ordStatus'] == "Canceled":
                            fill = "CANCELLED"
                        elif res['ordStatus'] == "New":
                            fill = "NEW"
                        elif res['ordStatus'] == "PartiallyFilled":
                            fill = "PARTIAL"
                        else:
                            raise Exception(res['ordStatus'])

                        new = {
                            'trade_id': order['trade_id'],
                            'order_id': order['order_id'],
                            'venue': order['venue'],
                            'symbol': order['symbol'],
                            'order_type': order['order_type'],
                            'metatype': order['metatype'],
                            'void_price': order['void_price'],
                            'direction': order['direction'],
                            'reduce_only': order['reduce_only'],
                            'post_only': order['post_only'],
                            'batch_size': order['batch_size'],
                            'size': order['size'],
                            'trail': order['trail'],
                            'timestamp': int(parser.parse(res['timestamp']).timestamp()),
                            'avg_fill_price': res['avgPx'],
                            'currency': res['currency'],
                            'venue_id': res['orderID'],
                            'price': res['price'],
                            'status': fill}

                        updated_orders.append(new)

        return updated_orders

    def cancel_orders(self, order_ids: list):

        # Only cancel orders if they have been submitted to venue
        # order_ids will only contain ids if orders already submitted
        if order_ids[0] is not None:

            payload = {"orderID": order_ids}

            prepared_request = Request(
                "DELETE",
                self.BASE_URL_TESTNET + self.ORDERS_URL,
                json=payload,
                params='').prepare()

            request = self.generate_request_headers(
                prepared_request,
                self.api_key,
                self.api_secret)

            response = self.session.send(request).json()

            response = [response] if not isinstance(response, list) else response
            cancel_confs = {}

            for i in response:
                try:
                    if i['orderID'] is not None:
                        cancel_confs[i['orderID']] = "SUCCESS"
                    elif i['error'] is not None:
                        cancel_confs[i['orderID']] = i['error']
                except KeyError:
                    cancel_confs = i
                    # print(traceback.format_exc(), ke)
            return cancel_confs

        else:
            return None

    def format_orders(self, orders):

        formatted = []
        for order in orders:
            price = self.round_increment(order['price'], order['symbol'])

            # TODO: add logic for execInst and stopPx
            execInst = None
            stopPx = None
            timeInForce = None

            symbol = order['symbol']
            side = "Buy" if order['direction'] == "LONG" else "Sell"
            orderQty = self.round_increment(order['size'], order['symbol'])
            clOrdID = order['order_id']
            text = order['metatype']

            if order['order_type'] == "LIMIT":
                ordType = "Limit"
                timeInForce = 'GoodTillCancel'

            elif order['order_type'] == "MARKET":
                ordType = "Market"
                price = None
                timeInForce = 'ImmediateOrCancel'

            elif order['order_type'] == "STOP_LIMIT":
                ordType = "StopLimit"
                timeInForce = 'GoodTillCancel'

            elif order['order_type'] == "STOP":
                ordType = "Stop"
                stopPx = price
                price = None
                timeInForce = 'ImmediateOrCancel'

            else:
                raise Exception("Incorrect order type specified.")

            formatted.append({
                    'symbol': symbol,
                    'side': side,
                    'orderQty': orderQty,
                    'price': price,
                    'stopPx': stopPx,
                    'clOrdID': order['order_id'],
                    'ordType': ordType,
                    'timeInForce': timeInForce,
                    'execInst': execInst,
                    'text': text})

        return formatted

    def generate_request_signature(self, secret, request_type, url, nonce,
                                   data):
        """
        Generate BitMEX-compatible authenticated request signature header.

        Args:
            secret: API secret key.
            request_type: Request type (GET, POST, etc).
            url: full request url.
            validity: seconds request will be valid for after creation.
        Returns:
            signature: hex(HMAC_SHA256(apiSecret, verb + path + expires + data)
        Raises:
            None.
        """

        parsed_url = urlparse(url)
        path = parsed_url.path

        if parsed_url.query:
            path = path + '?' + parsed_url.query

        if isinstance(data, (bytes, bytearray)):
            data = data.decode('utf8')

        message = str(request_type).upper() + path + str(nonce) + data
        signature = hmac.new(bytes(secret, 'utf8'), bytes(message, 'utf8'),
                             digestmod=hashlib.sha256).hexdigest()

        return signature

    def generate_request_headers(self, request, api_key, api_secret):
        """
        Add BitMEX-compatible authentication headers to a request object.

        Args:
            api_key: API key.
            api_secret: API secret key.
            request: Request object to be amended.
        Returns:
            request: Modified request object.
        Raises:
            None.
        """

        nonce = str(int(round(time.time()) + self.REQUEST_TIMEOUT))
        request.headers['api-expires'] = nonce
        request.headers['api-key'] = self.api_key
        request.headers['api-signature'] = self.generate_request_signature(
            self.api_secret, request.method, request.url, nonce, request.body or '')  # noqa
        request.headers['Content-Type'] = 'application/json'
        request.headers['Accept'] = 'application/json'
        request.headers['X-Requested-With'] = 'XMLHttpRequest'

        return request
Example #7
0
logging.getLogger("urllib3").propagate = False
requests_log = logging.getLogger("requests")
requests_log.addHandler(logging.NullHandler())
requests_log.propagate = False

BASE_URL = "https://www.bitmex.com/api/v1"
BARS_URL = "/trade/bucketed?binSize="
TICKS_URL = "/trade?symbol="

WS_URL = "wss://www.bitmex.com/realtime"
symbols = ["XBTUSD", "ETHUSD"]
channels = ["trade"]
api_key = None
api_secret = None

ws = Bitmex_WS(logger, symbols, channels, WS_URL, api_key, api_secret)

if not ws.ws.sock.connected:
    logger.debug("Failed to to connect to BitMEX websocket.")


def get_recent_bar(timeframe, symbol, n=1):
    """ Return n recent 1-min bars of desired timeframe and symbol. """

    sleep(0.5)
    payload = str(BASE_URL + BARS_URL + timeframe + "&partial=false&symbol=" +
                  symbol + "&count=" + str(n) + "&reverse=true")

    # print(payload)nnnnnn

    result = requests.get(payload).json()