async def main():
scheduler = RealtimeNetworkScheduler()
network = scheduler.get_network()
values = Interval(scheduler)
Do(network, values, lambda: print(f"input values: {values.get_value()}"))
window = WindowWithCount(network, values, count=5)
Do(network, window, lambda: print(f"window values: {window.get_value()}"))
def init(self, ctx: StrategyContext):
self.ctx = ctx
big_print_qty = float(ctx.getenv('BIG_PRINT_QTY'))
self.trade_qty = float(ctx.getenv('CONTRACT_TRADE_QTY'))
api_key = ctx.getenv('PHEMEX_API_KEY')
api_secret = ctx.getenv('PHEMEX_API_SECRET')
if not api_key:
raise ValueError('missing PHEMEX_API_KEY')
if not api_secret:
raise ValueError('missing PHEMEX_API_SECRET')
credentials = AuthCredentials(api_key, api_secret)
exchange_instance = ctx.getenv('PHEMEX_INSTANCE', 'prod')
if exchange_instance == 'prod':
self.trading_conn = PhemexConnection(credentials)
elif exchange_instance == 'test':
self.trading_conn = PhemexConnection(
credentials, api_url='https://testnet-api.phemex.com')
else:
raise ValueError(
f'Unknown PHEMEX_INSTANCE value: {exchange_instance}')
self.logger.info(f'Connected to Phemex {exchange_instance} instance')
self.spot_feed = ctx.fh_registry.get_feed(
f'coinbasepro:{exchange_instance}:BTC-USD')
self.futures_feed = ctx.fh_registry.get_feed(
f'phemex:{exchange_instance}:BTCUSD')
self.logger.info(
f'Connected to spot & futures {exchange_instance} feeds')
network = self.ctx.get_network()
# scan the spot market for large trades
spot_trades = self.spot_feed.get_trades()
Do(
network, spot_trades, lambda: self.logger.info(
f'Spot market trade: {spot_trades.get_value()}'))
self.big_prints = Filter(network, spot_trades,
lambda x: x.get_qty() >= big_print_qty)
# compute 5 minute bins for the futures market and extract the volume field
self.futures_trades = self.futures_feed.get_trades()
buffer_5min = BufferWithTime(network, self.futures_trades,
timedelta(minutes=5))
self.ohlc_5min = ComputeOHLC(network, buffer_5min)
Do(
network, self.ohlc_5min, lambda: self.logger.info(
f'OHLC[5min]: {self.ohlc_5min.get_value()}'))
self.volume = Map(network, self.ohlc_5min, lambda x: x.volume)
# track the exponentially weighted moving average of the futures volume
self.ewma = ExponentialMovingAverage(network, self.volume)
def __init__(self, config: BacktestConfig):
logger = logging.getLogger(__name__)
logger.info('Serenity backtester starting up')
sys.path.append(str(config.get_strategy_basedir()))
bt_env = config.get_env()
exchange_id = bt_env.getenv('EXCHANGE_ID', 'autofill')
instance_id = bt_env.getenv('EXCHANGE_INSTANCE', 'prod')
account = bt_env.getenv('EXCHANGE_ACCOUNT', 'Main')
self.logger.info('Connecting to Serenity database')
conn = connect_serenity_db()
conn.autocommit = True
cur = conn.cursor()
self.scheduler = HistoricNetworkScheduler(
config.get_start_time_millis(), config.get_end_time_millis())
instrument_cache = InstrumentCache(cur, TypeCodeCache(cur))
oms = OrderManagerService(self.scheduler)
md_service = AzureHistoricMarketdataService(
self.scheduler, bt_env.getenv('AZURE_CONNECT_STR'))
mark_service = MarketdataMarkService(self.scheduler.get_network(),
md_service)
op_service = OrderPlacerService(self.scheduler, oms)
op_service.register_order_placer(
f'{exchange_id}:{instance_id}',
AutoFillOrderPlacer(self.scheduler, oms, md_service, account))
xps = NullExchangePositionService(self.scheduler)
extra_outputs_txt = bt_env.getenv('EXTRA_OUTPUTS')
if extra_outputs_txt is None:
extra_outputs = []
else:
extra_outputs = extra_outputs_txt.split(',')
self.dcs = HDF5DataCaptureService(Mode.BACKTEST, self.scheduler,
extra_outputs)
# wire up orders and fills from OMS
Do(self.scheduler.get_network(), oms.get_orders(),
lambda: self.dcs.capture_order(oms.get_orders().get_value()))
Do(self.scheduler.get_network(), oms.get_order_events(),
lambda: self.dcs.capture_fill(oms.get_order_events().get_value()))
self.strategy_name = config.get_strategy_name()
strategy_env = config.get_strategy_env()
ctx = StrategyContext(self.scheduler, instrument_cache, md_service,
mark_service, op_service,
PositionService(self.scheduler, oms), xps,
self.dcs, strategy_env.values)
strategy_instance = config.get_strategy_instance()
strategy_instance.init(ctx)
strategy_instance.start()
def init(self, ctx: StrategyContext):
self.ctx = ctx
account = ctx.getenv('EXCHANGE_ACCOUNT')
if account is None:
raise ValueError('Missing EXCHANGE_ACCOUNT')
exchange_code, peg_symbol = ctx.getenv('PEG_INSTRUMENT').split(':')
self.peg_instrument = ctx.get_instrument_cache(
).get_crypto_exchange_instrument(exchange_code, peg_symbol)
peg_type = ctx.getenv('PEG_TYPE', 'Near')
if peg_type == 'Near':
self.peg_type = PegType.NEAR
peg_side = ctx.getenv('PEG_SIDE')
if peg_side == 'Buy':
self.peg_side = Side.BUY
elif peg_side == 'Sell':
self.peg_side = Side.SELL
else:
raise ValueError(f'Unknown or missing PegSide: {peg_side}')
self.peg_qty = ctx.getenv('PEG_QTY', 1)
exchange_id = ctx.getenv('EXCHANGE_ID', 'phemex')
exchange_instance = ctx.getenv('EXCHANGE_INSTANCE', 'prod')
op_uri = f'{exchange_id}:{exchange_instance}'
self.order_placer = ctx.get_order_placer_service().get_order_placer(
op_uri)
self.logger.info(f'Connected to Phemex {exchange_instance} instance')
# subscribe to top of book
self.peg_book = self.ctx.get_marketdata_service().get_order_books(
self.peg_instrument)
# subscribe to position updates and exchange position updates
position = self.ctx.get_position_service().get_position(
account, self.peg_instrument)
Do(ctx.get_scheduler().get_network(), position,
lambda: self.logger.info(position.get_value()))
exch_position = self.ctx.get_exchange_position_service(
).get_exchange_positions()
Do(ctx.get_scheduler().get_network(), exch_position,
lambda: self.logger.info(exch_position.get_value()))
# subscribe to order events from the OMS, and log them
order_events = self.ctx.get_order_placer_service(
).get_order_manager_service().get_order_events()
Do(ctx.get_scheduler().get_network(), order_events,
lambda: self.logger.info(order_events.get_value()))
async def main():
scheduler = RealtimeNetworkScheduler()
network = scheduler.get_network()
values = Interval(scheduler)
Do(network, values, lambda: print(f"input values: {values.get_value()}"))
buffer1 = BufferWithCount(network, values, count=2)
Do(network, buffer1,
lambda: print(f"buffer1 values: {buffer1.get_value()}"))
buffer2 = BufferWithTime(scheduler, values, timedelta(seconds=5))
Do(network, buffer2,
lambda: print(f"buffer2 values: {buffer2.get_value()}"))
def init(self, ctx: StrategyContext):
self.ctx = ctx
big_print_qty = float(ctx.getenv('BIG_PRINT_QTY'))
self.trade_qty = float(ctx.getenv('CONTRACT_TRADE_QTY'))
exchange_instance = ctx.getenv('EXCHANGE_INSTANCE', 'prod')
op_uri = f'phemex:{exchange_instance}'
self.order_placer = ctx.get_order_placer_service().get_order_placer(
op_uri)
self.logger.info(f'Connected to Phemex {exchange_instance} instance')
network = self.ctx.get_network()
# scan the spot market for large trades
btc_usd_spot = self.ctx.get_instrument_cache(
).get_crypto_exchange_instrument('CoinbasePro', 'BTC-USD')
spot_trades = self.ctx.get_marketdata_service().get_trades(
btc_usd_spot)
Do(
network, spot_trades, lambda: self.logger.info(
f'Spot market trade: {spot_trades.get_value()}'))
self.big_prints = Filter(network, spot_trades,
lambda x: x.get_qty() >= big_print_qty)
# compute 5 minute bins for the futures market and extract the volume field
btc_usd_future = self.ctx.get_instrument_cache(
).get_crypto_exchange_instrument('Phemex', 'BTCUSD')
self.futures_trades = self.ctx.get_marketdata_service().get_trades(
btc_usd_future)
buffer_5min = BufferWithTime(self.ctx.get_scheduler(),
self.futures_trades, timedelta(minutes=5))
self.ohlc_5min = ComputeOHLC(network, buffer_5min)
Do(
network, self.ohlc_5min, lambda: self.logger.info(
f'OHLC[5min]: {self.ohlc_5min.get_value()}'))
self.volume = Map(network, self.ohlc_5min, lambda x: x.volume)
# subscribe to top of book
self.futures_book = self.ctx.get_marketdata_service().get_order_books(
btc_usd_future)
Do(
network, self.futures_book, lambda: self.logger.info(
f'Futures bid/ask: '
f'{self.futures_book.get_value().get_best_bid()} / '
f'{self.futures_book.get_value().get_best_ask()}'))
# track the exponentially weighted moving average of the futures volume
self.ewma = ExponentialMovingAverage(network, self.volume)
async def main():
scheduler = RealtimeNetworkScheduler()
network = scheduler.get_network()
values = From(scheduler, [0.0, 3.2, 2.1, 2.9, 8.3, 5.7])
mapper = Map(network, values, lambda x: round(x))
accumulator = Scan(network, mapper)
Do(network, accumulator, lambda: print(f"{accumulator.get_value()}"))
def test_filter():
scheduler = HistoricNetworkScheduler(0, 30 * 1000)
network = scheduler.get_network()
values = From(scheduler, [0.0, -3.2, 2.1, -2.9, 8.3, -5.7])
filt = Filter(network, values, lambda x: x >= 0.0)
Do(network, filt, lambda: print(f'{filt.get_value()}'))
scheduler.run()
assert filt.get_value() == 8.3
def test_map_reduce():
scheduler = HistoricNetworkScheduler(0, 30 * 1000)
network = scheduler.get_network()
values = From(scheduler, [0.0, 3.2, 2.1, 2.9, 8.3, 5.7])
mapper = Map(network, values, lambda x: round(x))
accumulator = Scan(network, mapper)
Do(network, accumulator, lambda: print(f'{accumulator.get_value()}'))
scheduler.run()
assert accumulator.get_value() == 22.0
def on_activate(self) -> bool:
if fh.get_state().get_value() == FeedHandlerState.LIVE:
feed = registry.get_feed(f'{uri_scheme}:{instance_id}:{self.trade_symbol}')
instrument_code = feed.get_instrument().get_exchange_instrument_code()
journal = Journal(Path(f'{journal_path}/{db}_BOOKS/{instrument_code}'))
self.appender = journal.create_appender()
books = feed.get_order_books()
Do(scheduler.get_network(), books, lambda: self.on_book_update(books.get_value()))
return False
def test_repeating_timer():
# run for one minute
scheduler = HistoricNetworkScheduler(0, 60 * 1000)
tz = pytz.timezone('US/Eastern')
timer = RepeatingTimer(scheduler, datetime.timedelta(seconds=15))
timestamps = list()
Do(scheduler.get_network(), timer,
lambda: timestamps.append(scheduler.get_clock().get_time(tz)))
scheduler.run()
assert len(timestamps) == 4
assert str(timestamps[3]) == '1969-12-31 19:01:00-05:00'
def test_alarm():
# run for one day
scheduler = HistoricNetworkScheduler(0, 60 * 60 * 24 * 1000)
# schedule at 4pm US/Eastern
tz = pytz.timezone('US/Eastern')
alarm = Alarm(scheduler, datetime.time(16, 00, 00), tz)
timestamps = list()
Do(scheduler.get_network(), alarm,
lambda: timestamps.append(scheduler.get_clock().get_time(tz)))
scheduler.run()
assert len(timestamps) == 1
def on_activate(self) -> bool:
if fh.get_state().get_value() == FeedHandlerState.LIVE:
feed = registry.get_feed(
f'{uri_scheme}:{instance_id}:{self.trade_symbol}')
instrument_code = feed.get_instrument(
).get_exchange_instrument_code()
txlog = TransactionLog(
Path(f'{journal_path}/{db}_TRADES/{instrument_code}'))
self.tx_writer = txlog.create_writer()
trades = feed.get_trades()
Do(scheduler.get_network(), trades,
lambda: self.on_trade_print(trades.get_value()))
return False
def test_buffer_with_time_historic():
scheduler = HistoricNetworkScheduler(0, 30 * 1000)
network = scheduler.get_network()
values = MutableSignal()
scheduler.schedule_update_at(values, 1.0, 1000)
scheduler.schedule_update_at(values, -3.2, 2000)
scheduler.schedule_update_at(values, 2.1, 10000)
scheduler.schedule_update_at(values, -2.9, 15000)
scheduler.schedule_update_at(values, 8.3, 25000)
scheduler.schedule_update_at(values, -5.7, 30000)
buffer = BufferWithTime(scheduler, values, timedelta(seconds=5))
Do(network, buffer, lambda: print(f'{buffer.get_value()}'))
scheduler.run()
def test_oms_cancel_not_pending(mocker: MockFixture):
scheduler = HistoricNetworkScheduler(0, 1000)
oms = OrderManagerService(scheduler)
order_events = []
Do(scheduler.get_network(), oms.get_order_events(),
lambda: order_events.append(oms.get_order_events().get_value()))
instrument = mocker.MagicMock(ExchangeInstrument)
order = MarketOrder(10, instrument, Side.BUY, 'Main')
order.set_order_id(str(uuid1()))
oms.pending_new(order)
oms.new(order, str(uuid1()))
oms.apply_cancel(order, str(uuid1()))
scheduler.run()
assert (isinstance(order_events[2], CancelReject))
assert (order_events[2].get_message() ==
'Attempt to apply cancel when not pending')
def test_oms_late_fill(mocker: MockFixture):
scheduler = HistoricNetworkScheduler(0, 1000)
oms = OrderManagerService(scheduler)
order_events = []
Do(scheduler.get_network(), oms.get_order_events(),
lambda: order_events.append(oms.get_order_events().get_value()))
instrument = mocker.MagicMock(ExchangeInstrument)
order = MarketOrder(10, instrument, Side.BUY, 'Main')
order.set_order_id(str(uuid1()))
oms.pending_new(order)
oms.new(order, str(uuid1()))
oms.pending_cancel(order)
oms.apply_cancel(order, str(uuid1()))
oms.apply_fill(order, 1, 10_000, str(uuid1()))
scheduler.run()
assert (isinstance(order_events[4], Reject))
assert (order_events[4].get_message() == 'Order canceled')
def test_oms_regular_sequence(mocker: MockFixture):
scheduler = HistoricNetworkScheduler(0, 1000)
oms = OrderManagerService(scheduler)
order_statuses = []
Do(
scheduler.get_network(), oms.get_order_events(), lambda: order_statuses
.append(oms.get_order_events().get_value().get_order_status()))
instrument = mocker.MagicMock(ExchangeInstrument)
order = MarketOrder(10, instrument, Side.BUY, 'Main')
order.set_order_id(str(uuid1()))
oms.pending_new(order)
oms.new(order, str(uuid1()))
oms.apply_fill(order, 1, 10_000, str(uuid1()))
oms.pending_cancel(order)
oms.apply_cancel(order, str(uuid1()))
scheduler.run()
assert (order_statuses == [
OrderStatus.PENDING_NEW, OrderStatus.NEW, OrderStatus.PARTIALLY_FILLED,
OrderStatus.PENDING_CANCEL, OrderStatus.CANCELED
])
def init(self, ctx: StrategyContext):
scheduler = ctx.get_scheduler()
network = scheduler.get_network()
contract_qty = int(ctx.getenv('BBANDS_QTY', 1))
window = int(ctx.getenv('BBANDS_WINDOW'))
num_std = int(ctx.getenv('BBANDS_NUM_STD'))
stop_std = int(ctx.getenv('BBANDS_STOP_STD'))
bin_minutes = int(ctx.getenv('BBANDS_BIN_MINUTES', 5))
cooling_period_seconds = int(ctx.getenv('BBANDS_COOL_SECONDS', 15))
exchange_code, instrument_code = ctx.getenv(
'TRADING_INSTRUMENT').split(':')
instrument = ctx.get_instrument_cache().get_crypto_exchange_instrument(
exchange_code, instrument_code)
trades = ctx.get_marketdata_service().get_trades(instrument)
trades_5m = BufferWithTime(scheduler, trades,
timedelta(minutes=bin_minutes))
prices = ComputeOHLC(network, trades_5m)
close_prices = Map(network, prices, lambda x: x.close_px)
bbands = ComputeBollingerBands(network, close_prices, window, num_std)
op_service = ctx.get_order_placer_service()
oms = op_service.get_order_manager_service()
dcs = ctx.get_data_capture_service()
exchange_id = ctx.getenv('EXCHANGE_ID', 'phemex')
exchange_instance = ctx.getenv('EXCHANGE_INSTANCE', 'prod')
account = ctx.getenv('EXCHANGE_ACCOUNT')
op_uri = f'{exchange_id}:{exchange_instance}'
# subscribe to marks, position updates and exchange position updates
marks = ctx.get_mark_service().get_marks(instrument)
Do(scheduler.get_network(), marks,
lambda: self.logger.debug(marks.get_value()))
position = ctx.get_position_service().get_position(account, instrument)
Do(scheduler.get_network(), position,
lambda: self.logger.info(position.get_value()))
exch_position = ctx.get_exchange_position_service(
).get_exchange_positions()
Do(scheduler.get_network(), exch_position,
lambda: self.logger.info(exch_position.get_value()))
# capture position and Bollinger Band data
Do(
scheduler.get_network(), position, lambda: dcs.capture(
'Position', {
'time': pd.to_datetime(scheduler.get_time(), unit='ms'),
'position': position.get_value().get_qty()
}))
Do(
scheduler.get_network(), bbands, lambda: dcs.capture(
'BollingerBands', {
'time': pd.to_datetime(scheduler.get_time(), unit='ms'),
'sma': bbands.get_value().sma,
'upper': bbands.get_value().upper,
'lower': bbands.get_value().lower
}))
# debug log basic marketdata
Do(scheduler.get_network(), prices,
lambda: self.logger.debug(prices.get_value()))
class TraderState(Enum):
GOING_LONG = auto()
LONG = auto()
FLATTENING = auto()
FLAT = auto()
# order placement logic
class BollingerTrader(Event):
# noinspection PyShadowingNames
def __init__(self, scheduler: NetworkScheduler,
op_service: OrderPlacerService,
strategy: BollingerBandsStrategy1):
self.scheduler = scheduler
self.op = op_service.get_order_placer(f'{op_uri}')
self.strategy = strategy
self.last_entry = 0
self.last_exit = 0
self.cum_pnl = 0
self.stop = None
self.trader_state = TraderState.FLAT
self.last_trade_time = 0
self.scheduler.get_network().connect(oms.get_order_events(),
self)
self.scheduler.get_network().connect(position, self)
def on_activate(self) -> bool:
if self.scheduler.get_network().has_activated(
oms.get_order_events()):
order_event = oms.get_order_events().get_value()
if isinstance(order_event,
ExecutionReport) and order_event.is_fill():
order_type = 'stop order' if self.stop is not None and order_event.get_order_id() == \
self.stop.order_id else 'market order'
self.strategy.logger.info(
f'Received fill event for {order_type}: {order_event}'
)
if self.trader_state == TraderState.GOING_LONG:
self.last_entry = order_event.get_last_px()
if order_event.get_order_status(
) == OrderStatus.FILLED:
self.strategy.logger.info(
f'Entered long position: entry price={self.last_entry}'
)
self.trader_state = TraderState.LONG
elif self.trader_state in (TraderState.FLATTENING, TraderState.LONG) and \
order_event.get_order_status() == OrderStatus.FILLED:
if order_type == 'stop order':
self.strategy.logger.info(
f'stop loss filled at {order_event.get_last_px()}'
)
self.stop = None
trade_pnl = (order_event.get_last_px() - self.last_entry) * \
(contract_qty / self.last_entry)
self.cum_pnl += trade_pnl
self.strategy.logger.info(
f'Trade P&L={trade_pnl}; cumulative P&L={self.cum_pnl}'
)
dcs.capture(
'PnL', {
'time':
pd.to_datetime(scheduler.get_time(),
unit='ms'),
'trade_pnl':
trade_pnl,
'cum_pnl':
self.cum_pnl
})
self.trader_state = TraderState.FLAT
elif isinstance(order_event, Reject):
self.strategy.logger.error(
f'Order rejected: {order_event.get_message()}')
self.trader_state = TraderState.FLAT
elif self.trader_state == TraderState.FLAT and close_prices.get_value(
) < bbands.get_value().lower:
if self.last_trade_time != 0 and (scheduler.get_time() - self.last_trade_time) < \
cooling_period_seconds * 1000:
self.strategy.logger.info(
'Cooling off -- not trading again on rapidly repeated signal'
)
return False
self.strategy.logger.info(
f'Close below lower Bollinger band, enter long position '
f'at {scheduler.get_clock().get_time()}')
stop_px = close_prices.get_value() - (
(bbands.get_value().sma - bbands.get_value().lower) *
(stop_std / num_std))
self.strategy.logger.info(
f'Submitting orders: last_px = {close_prices.get_value()}, '
f'stop_px = {stop_px}')
order = self.op.get_order_factory().create_market_order(
Side.BUY, contract_qty, instrument)
self.stop = self.op.get_order_factory().create_stop_order(
Side.SELL, contract_qty, stop_px, instrument)
self.op.submit(order)
self.op.submit(self.stop)
self.last_trade_time = scheduler.get_time()
self.trader_state = TraderState.GOING_LONG
elif self.trader_state == TraderState.LONG and close_prices.get_value(
) > bbands.get_value().upper:
self.strategy.logger.info(
f'Close above upper Bollinger band, exiting long position at '
f'{scheduler.get_clock().get_time()}')
order = self.op.get_order_factory().create_market_order(
Side.SELL, contract_qty, instrument)
self.op.submit(order)
if self.stop is not None:
self.op.cancel(self.stop)
self.stop = None
self.trader_state = TraderState.FLATTENING
return False
network.connect(bbands, BollingerTrader(scheduler, op_service, self))
async def main():
scheduler = RealtimeNetworkScheduler()
signal = From(scheduler, ["world"])
Do(scheduler.get_network(), signal,
lambda: print(f"Hello, {signal.get_value()}!"))
def test_hello_world():
scheduler = HistoricNetworkScheduler(0, 30 * 1000)
signal = From(scheduler, ['world'])
Do(scheduler.get_network(), signal,
lambda: print(f'Hello, {signal.get_value()}!'))
scheduler.run()
async def main():
scheduler = RealtimeNetworkScheduler()
network = scheduler.get_network()
values = Interval(scheduler)
accumulator = Scan(network, values)
Do(network, accumulator, lambda: print(f"{accumulator.get_value()}"))
async def main():
scheduler = RealtimeNetworkScheduler()
network = scheduler.get_network()
values = From(scheduler, [0.0, -3.2, 2.1, -2.9, 8.3, -5.7])
filt = Filter(network, values, lambda x: x >= 0.0)
Do(network, filt, lambda: print(f"{filt.get_value()}"))
def init(self, ctx: StrategyContext):
self.ctx = ctx
big_print_qty = float(ctx.getenv('BIG_PRINT_QTY'))
self.trade_qty = float(ctx.getenv('CONTRACT_TRADE_QTY'))
api_key = ctx.getenv('PHEMEX_API_KEY')
api_secret = ctx.getenv('PHEMEX_API_SECRET')
if not api_key:
raise ValueError('missing PHEMEX_API_KEY')
if not api_secret:
raise ValueError('missing PHEMEX_API_SECRET')
credentials = AuthCredentials(api_key, api_secret)
exchange_instance = ctx.getenv('PHEMEX_INSTANCE', 'prod')
if exchange_instance == 'prod':
self.trading_conn = PhemexConnection(credentials)
elif exchange_instance == 'test':
self.trading_conn = PhemexConnection(
credentials, api_url='https://testnet-api.phemex.com')
else:
raise ValueError(
f'Unknown PHEMEX_INSTANCE value: {exchange_instance}')
self.logger.info(f'Connected to Phemex {exchange_instance} instance')
network = self.ctx.get_network()
# subscribe to AOP messages
auth = WebsocketAuthenticator(api_key, api_secret)
aop_sub = AccountOrderPositionSubscriber(auth, ctx.get_scheduler(),
exchange_instance)
aop_sub.start()
# scan the spot market for large trades
btc_usd_spot = self.ctx.get_instrument_cache().get_exchange_instrument(
'CoinbasePro', 'BTC-USD')
spot_trades = self.ctx.get_marketdata_service().get_trades(
btc_usd_spot)
Do(
network, spot_trades, lambda: self.logger.info(
f'Spot market trade: {spot_trades.get_value()}'))
self.big_prints = Filter(network, spot_trades,
lambda x: x.get_qty() >= big_print_qty)
# compute 5 minute bins for the futures market and extract the volume field
btc_usd_future = self.ctx.get_instrument_cache(
).get_exchange_instrument('Phemex', 'BTCUSD')
self.futures_trades = self.ctx.get_marketdata_service().get_trades(
btc_usd_future)
buffer_5min = BufferWithTime(network, self.futures_trades,
timedelta(minutes=5))
self.ohlc_5min = ComputeOHLC(network, buffer_5min)
Do(
network, self.ohlc_5min, lambda: self.logger.info(
f'OHLC[5min]: {self.ohlc_5min.get_value()}'))
self.volume = Map(network, self.ohlc_5min, lambda x: x.volume)
# subscribe to top of book
self.futures_book = self.ctx.get_marketdata_service().get_order_books(
btc_usd_future)
Do(
network, self.futures_book, lambda: self.logger.info(
f'Futures bid/ask: '
f'{self.futures_book.get_value().get_best_bid()} / '
f'{self.futures_book.get_value().get_best_ask()}'))
# track the exponentially weighted moving average of the futures volume
self.ewma = ExponentialMovingAverage(network, self.volume)