def setUp(self, annotate=True):
yield super(AbstractTestOrderBook, self).setUp(annotate=annotate)
# Object creation
self.ask = Ask(OrderId(TraderId('0'), OrderNumber(1)),
Price(100, 'BTC'), Quantity(30, 'MC'),
Timeout(1462224447.117), Timestamp(1462224447.117))
self.invalid_ask = Ask(OrderId(TraderId('0'), OrderNumber(1)),
Price(100, 'BTC'), Quantity(30, 'MC'),
Timeout(0), Timestamp(0.0))
self.ask2 = Ask(OrderId(TraderId('1'), OrderNumber(1)),
Price(400, 'BTC'), Quantity(30, 'MC'),
Timeout(1462224447.117), Timestamp(1462224447.117))
self.bid = Bid(OrderId(TraderId('2'), OrderNumber(1)),
Price(200, 'BTC'), Quantity(30, 'MC'),
Timeout(1462224447.117), Timestamp(1462224447.117))
self.invalid_bid = Bid(OrderId(TraderId('0'), OrderNumber(1)),
Price(100, 'BTC'), Quantity(30, 'MC'),
Timeout(0), Timestamp(0.0))
self.bid2 = Bid(OrderId(TraderId('3'), OrderNumber(1)),
Price(300, 'BTC'), Quantity(30, 'MC'),
Timeout(1462224447.117), Timestamp(1462224447.117))
self.trade = Trade.propose(MessageId(TraderId('0'), MessageNumber(1)),
OrderId(TraderId('0'), OrderNumber(1)),
OrderId(TraderId('0'), OrderNumber(1)),
Price(100, 'BTC'), Quantity(30, 'MC'),
Timestamp(1462224447.117))
self.order_book = OrderBook()
def setUp(self):
yield super(PriceTimeStrategyTestSuite, self).setUp()
# Object creation
self.ask = Ask(OrderId(TraderId(b'0'), OrderNumber(1)),
AssetPair(AssetAmount(3000, 'BTC'), AssetAmount(30, 'MB')), Timeout(100), Timestamp.now())
self.ask2 = Ask(OrderId(TraderId(b'1'), OrderNumber(2)),
AssetPair(AssetAmount(3000, 'BTC'), AssetAmount(30, 'MB')), Timeout(100), Timestamp.now())
self.ask3 = Ask(OrderId(TraderId(b'0'), OrderNumber(3)),
AssetPair(AssetAmount(40000, 'BTC'), AssetAmount(200, 'MB')), Timeout(100), Timestamp.now())
self.ask4 = Ask(OrderId(TraderId(b'1'), OrderNumber(4)),
AssetPair(AssetAmount(3000, 'A'), AssetAmount(3000, 'MB')), Timeout(100), Timestamp.now())
self.ask5 = Ask(OrderId(TraderId(b'1'), OrderNumber(4)),
AssetPair(AssetAmount(3000, 'BTC'), AssetAmount(30, 'C')), Timeout(100), Timestamp.now())
self.bid = Bid(OrderId(TraderId(b'0'), OrderNumber(5)),
AssetPair(AssetAmount(3000, 'BTC'), AssetAmount(30, 'MB')), Timeout(100), Timestamp.now())
self.bid2 = Bid(OrderId(TraderId(b'0'), OrderNumber(6)),
AssetPair(AssetAmount(6000, 'BTC'), AssetAmount(30, 'MB')), Timeout(100), Timestamp.now())
self.ask_order = Order(OrderId(TraderId(b'9'), OrderNumber(11)),
AssetPair(AssetAmount(3000, 'BTC'), AssetAmount(30, 'MB')),
Timeout(100), Timestamp.now(), True)
self.ask_order2 = Order(OrderId(TraderId(b'9'), OrderNumber(12)),
AssetPair(AssetAmount(600, 'BTC'), AssetAmount(60, 'MB')),
Timeout(100), Timestamp.now(), True)
self.bid_order = Order(OrderId(TraderId(b'9'), OrderNumber(13)),
AssetPair(AssetAmount(3000, 'BTC'), AssetAmount(30, 'MB')),
Timeout(100), Timestamp.now(), False)
self.bid_order2 = Order(OrderId(TraderId(b'9'), OrderNumber(14)),
AssetPair(AssetAmount(6000, 'BTC'), AssetAmount(60, 'MB')),
Timeout(100), Timestamp.now(), False)
self.order_book = OrderBook()
self.price_time_strategy = PriceTimeStrategy(self.order_book)
def setUp(self, annotate=True):
yield super(AbstractTestOrderBook, self).setUp(annotate=annotate)
# Object creation
self.ask = Ask(
OrderId(TraderId('0'), OrderNumber(1)),
AssetPair(AssetAmount(100, 'BTC'), AssetAmount(30, 'MB')),
Timeout(100), Timestamp.now())
self.invalid_ask = Ask(
OrderId(TraderId('0'), OrderNumber(1)),
AssetPair(AssetAmount(100, 'BTC'), AssetAmount(30, 'MB')),
Timeout(0), Timestamp(0.0))
self.ask2 = Ask(
OrderId(TraderId('1'), OrderNumber(1)),
AssetPair(AssetAmount(400, 'BTC'), AssetAmount(30, 'MB')),
Timeout(100), Timestamp.now())
self.bid = Bid(
OrderId(TraderId('2'), OrderNumber(1)),
AssetPair(AssetAmount(200, 'BTC'), AssetAmount(30, 'MB')),
Timeout(100), Timestamp.now())
self.invalid_bid = Bid(
OrderId(TraderId('0'), OrderNumber(1)),
AssetPair(AssetAmount(100, 'BTC'), AssetAmount(30, 'MB')),
Timeout(0), Timestamp(0.0))
self.bid2 = Bid(
OrderId(TraderId('3'), OrderNumber(1)),
AssetPair(AssetAmount(300, 'BTC'), AssetAmount(30, 'MB')),
Timeout(100), Timestamp.now())
self.trade = Trade.propose(
TraderId('0'), OrderId(TraderId('0'), OrderNumber(1)),
OrderId(TraderId('0'), OrderNumber(1)),
AssetPair(AssetAmount(100, 'BTC'), AssetAmount(30, 'MB')),
Timestamp(1462224447.117))
self.order_book = OrderBook()
def setUp(self, annotate=True):
yield super(TestMarketBlock, self).setUp(annotate=annotate)
self.ask = Ask(
OrderId(TraderId('0' * 40), OrderNumber(1)),
AssetPair(AssetAmount(30, 'BTC'), AssetAmount(30, 'MB')),
Timeout(30), Timestamp(0.0), True)
self.bid = Ask(
OrderId(TraderId('1' * 40), OrderNumber(1)),
AssetPair(AssetAmount(30, 'BTC'), AssetAmount(30, 'MB')),
Timeout(30), Timestamp(0.0), False)
self.transaction = Transaction(
TransactionId(TraderId('0' * 40), TransactionNumber(1)),
AssetPair(AssetAmount(30, 'BTC'), AssetAmount(30, 'MB')),
OrderId(TraderId('0' * 40), OrderNumber(1)),
OrderId(TraderId('1' * 40), OrderNumber(1)), Timestamp(0.0))
ask_tx = self.ask.to_block_dict()
ask_tx["address"], ask_tx["port"] = "127.0.0.1", 1337
bid_tx = self.bid.to_block_dict()
bid_tx["address"], bid_tx["port"] = "127.0.0.1", 1337
self.tick_block = MarketBlock()
self.tick_block.type = 'tick'
self.tick_block.transaction = {'tick': ask_tx}
self.cancel_block = MarketBlock()
self.cancel_block.type = 'cancel_order'
self.cancel_block.transaction = {
'trader_id': 'a' * 40,
'order_number': 1
}
self.tx_block = MarketBlock()
self.tx_block.type = 'tx_init'
self.tx_block.transaction = {
'ask': ask_tx,
'bid': bid_tx,
'tx': self.transaction.to_dictionary()
}
payment = {
'trader_id': 'a' * 40,
'transaction_number': 3,
'transferred': {
'amount': 3,
'type': 'BTC'
},
'payment_id': 'a',
'address_from': 'a',
'address_to': 'b',
'timestamp': 1234.3,
'success': True
}
self.payment_block = MarketBlock()
self.payment_block.type = 'tx_payment'
self.payment_block.transaction = {'payment': payment}
def test_proposed_trade_cache_timeout(self):
"""
Test the timeout method of a proposed trade request in the cache
"""
ask = Ask(
OrderId(TraderId(self.market_community.mid), OrderNumber(24)),
Price(63400, 'DUM1'), Quantity(30, 'DUM2'), Timeout(3600),
Timestamp.now())
order = Order(OrderId(TraderId("0"), OrderNumber(23)),
Price(20, 'DUM1'), Quantity(30, 'DUM2'), Timeout(3600.0),
Timestamp.now(), False)
self.market_community.order_book.insert_ask(ask)
self.assertEqual(len(self.market_community.order_book.asks), 1)
self.market_community.order_manager.order_repository.add(order)
order.reserve_quantity_for_tick(self.proposed_trade.recipient_order_id,
Quantity(30, 'DUM2'))
self.market_community.order_manager.order_repository.update(order)
mocked_match_message = MockObject()
mocked_match_message.payload = MockObject()
mocked_match_message.payload.matchmaker_trader_id = 'a'
self.market_community.incoming_match_messages[
'a'] = mocked_match_message
def mocked_send_decline(*_):
mocked_send_decline.called = True
mocked_send_decline.called = False
self.market_community.send_decline_match_message = mocked_send_decline
cache = ProposedTradeRequestCache(self.market_community,
self.proposed_trade, 'a')
cache.on_timeout()
self.assertTrue(mocked_send_decline.called)
def setUp(self, annotate=True):
yield super(MatchingEngineTestSuite, self).setUp(annotate=annotate)
# Object creation
self.ask = Ask(
OrderId(TraderId('2'), OrderNumber(1)),
AssetPair(AssetAmount(3000, 'BTC'), AssetAmount(30, 'MB')),
Timeout(30), Timestamp.now())
self.bid = Bid(
OrderId(TraderId('4'), OrderNumber(2)),
AssetPair(AssetAmount(3000, 'BTC'), AssetAmount(30, 'MB')),
Timeout(30), Timestamp.now())
self.ask_order = Order(
OrderId(TraderId('5'), OrderNumber(3)),
AssetPair(AssetAmount(3000, 'BTC'), AssetAmount(30, 'MB')),
Timeout(30), Timestamp.now(), True)
self.bid_order = Order(
OrderId(TraderId('6'), OrderNumber(4)),
AssetPair(AssetAmount(3000, 'BTC'), AssetAmount(30, 'MB')),
Timeout(30), Timestamp.now(), False)
self.order_book = OrderBook()
self.matching_engine = MatchingEngine(
PriceTimeStrategy(self.order_book))
self.ask_count = 2
self.bid_count = 2
def create_ask(self, amount1, amount2):
"""
Create an ask with a specific price and quantity
"""
new_ask = Ask(OrderId(TraderId(b'2'), OrderNumber(self.ask_count)),
AssetPair(AssetAmount(amount1, 'BTC'), AssetAmount(amount2, 'MB')), Timeout(30), Timestamp.now())
self.ask_count += 1
return new_ask
def create_ask(self, price, quantity):
"""
Create an ask with a specific price and quantity
"""
new_ask = Ask(OrderId(TraderId('2'), OrderNumber(self.ask_count)),
Price(price, 'BTC'), Quantity(quantity, 'MC'),
Timeout(30), Timestamp.now())
self.ask_count += 1
return new_ask
def setUp(self, annotate=True):
yield super(PriceTimeStrategyTestSuite, self).setUp(annotate=annotate)
# Object creation
self.ask = Ask(MessageId(TraderId('0'), MessageNumber('1')),
OrderId(TraderId('0'), OrderNumber(1)),
Price(100, 'BTC'), Quantity(30, 'MC'), Timeout(100),
Timestamp.now())
self.ask2 = Ask(MessageId(TraderId('1'), MessageNumber('1')),
OrderId(TraderId('1'), OrderNumber(2)),
Price(100, 'BTC'), Quantity(30, 'MC'), Timeout(100),
Timestamp.now())
self.ask3 = Ask(MessageId(TraderId('3'), MessageNumber('1')),
OrderId(TraderId('0'), OrderNumber(3)),
Price(200, 'BTC'), Quantity(200, 'MC'), Timeout(100),
Timestamp.now())
self.ask4 = Ask(MessageId(TraderId('4'), MessageNumber('1')),
OrderId(TraderId('1'), OrderNumber(4)),
Price(50, 'BTC'), Quantity(200, 'MC'), Timeout(100),
Timestamp.now())
self.ask5 = Ask(MessageId(TraderId('4'), MessageNumber('1')),
OrderId(TraderId('1'), OrderNumber(4)),
Price(100, 'A'), Quantity(30, 'MC'), Timeout(100),
Timestamp.now())
self.ask6 = Ask(MessageId(TraderId('4'), MessageNumber('1')),
OrderId(TraderId('1'), OrderNumber(4)),
Price(100, 'BTC'), Quantity(30, 'A'), Timeout(100),
Timestamp.now())
self.bid = Bid(MessageId(TraderId('5'), MessageNumber('2')),
OrderId(TraderId('0'), OrderNumber(5)),
Price(100, 'BTC'), Quantity(30, 'MC'), Timeout(100),
Timestamp.now())
self.bid2 = Bid(MessageId(TraderId('6'), MessageNumber('2')),
OrderId(TraderId('0'), OrderNumber(6)),
Price(200, 'BTC'), Quantity(30, 'MC'), Timeout(100),
Timestamp.now())
self.bid3 = Bid(MessageId(TraderId('7'), MessageNumber('2')),
OrderId(TraderId('0'), OrderNumber(7)),
Price(50, 'BTC'), Quantity(200, 'MC'), Timeout(100),
Timestamp.now())
self.bid4 = Bid(MessageId(TraderId('8'), MessageNumber('2')),
OrderId(TraderId('0'), OrderNumber(8)),
Price(100, 'BTC'), Quantity(200, 'MC'), Timeout(100),
Timestamp.now())
self.ask_order = Order(OrderId(TraderId('9'), OrderNumber(11)),
Price(100, 'BTC'), Quantity(30, 'MC'),
Timeout(100), Timestamp.now(), True)
self.ask_order2 = Order(OrderId(TraderId('9'), OrderNumber(12)),
Price(10, 'BTC'), Quantity(60, 'MC'),
Timeout(100), Timestamp.now(), True)
self.bid_order = Order(OrderId(TraderId('9'), OrderNumber(13)),
Price(100, 'BTC'), Quantity(30, 'MC'),
Timeout(100), Timestamp.now(), False)
self.bid_order2 = Order(OrderId(TraderId('9'), OrderNumber(14)),
Price(100, 'BTC'), Quantity(60, 'MC'),
Timeout(100), Timestamp.now(), False)
self.order_book = OrderBook(MemoryMessageRepository('0'))
self.price_time_strategy = PriceTimeStrategy(self.order_book)
def update_ticks(self, ask_order_dict, bid_order_dict, traded_quantity, unreserve=True):
"""
Update ticks according to a TradeChain block containing the status of the ask/bid orders.
:type ask_order_dict: dict
:type bid_order_dict: dict
:type traded_quantity: Quantity
:type unreserve: bool
"""
assert isinstance(ask_order_dict, dict), type(ask_order_dict)
assert isinstance(bid_order_dict, dict), type(bid_order_dict)
assert isinstance(traded_quantity, Quantity), type(traded_quantity)
assert isinstance(unreserve, bool), type(unreserve)
ask_order_id = OrderId(TraderId(ask_order_dict["trader_id"]), OrderNumber(ask_order_dict["order_number"]))
bid_order_id = OrderId(TraderId(bid_order_dict["trader_id"]), OrderNumber(bid_order_dict["order_number"]))
self._logger.debug("Updating ticks in order book: %s and %s (traded quantity: %s)",
str(ask_order_id), str(bid_order_id), str(traded_quantity))
# Update ask tick
new_ask_quantity = Quantity(ask_order_dict["quantity"] - ask_order_dict["traded_quantity"],
ask_order_dict["quantity_type"])
if self.tick_exists(ask_order_id) and new_ask_quantity <= self.get_tick(ask_order_id).quantity:
tick = self.get_tick(ask_order_id)
tick.quantity = new_ask_quantity
if unreserve:
tick.release_for_matching(traded_quantity)
if tick.quantity <= Quantity(0, ask_order_dict["quantity_type"]):
self.remove_tick(tick.order_id)
self.completed_orders.append(tick.order_id)
elif not self.tick_exists(ask_order_id) and new_ask_quantity > Quantity(0, ask_order_dict["quantity_type"]):
ask = Ask(ask_order_id, Price(ask_order_dict["price"], ask_order_dict["price_type"]),
new_ask_quantity, Timeout(ask_order_dict["timeout"]), Timestamp(ask_order_dict["timestamp"]))
self.insert_ask(ask)
# Update bid tick
new_bid_quantity = Quantity(bid_order_dict["quantity"] - bid_order_dict["traded_quantity"],
bid_order_dict["quantity_type"])
if self.tick_exists(bid_order_id) and new_bid_quantity <= self.get_tick(bid_order_id).quantity:
tick = self.get_tick(bid_order_id)
tick.quantity = new_bid_quantity
if unreserve:
tick.release_for_matching(traded_quantity)
if tick.quantity <= Quantity(0, bid_order_dict["quantity_type"]):
self.remove_tick(tick.order_id)
self.completed_orders.append(tick.order_id)
elif not self.tick_exists(bid_order_id) and new_bid_quantity > Quantity(0, bid_order_dict["quantity_type"]):
bid = Bid(bid_order_id, Price(bid_order_dict["price"], bid_order_dict["price_type"]),
new_bid_quantity, Timeout(bid_order_dict["timeout"]), Timestamp(bid_order_dict["timestamp"]))
self.insert_bid(bid)
def setUp(self, annotate=True):
yield super(CommunityTestSuite, self).setUp(annotate=annotate)
dummy1_wallet = DummyWallet1()
dummy2_wallet = DummyWallet2()
self.market_community = MarketCommunity(self.dispersy,
self.master_member,
self.member)
self.market_community.initialize(wallets={
dummy1_wallet.get_identifier():
dummy1_wallet,
dummy2_wallet.get_identifier():
dummy2_wallet
},
use_database=False)
self.market_community.use_local_address = True
self.dispersy._lan_address = ("127.0.0.1", 1234)
self.dispersy._endpoint.open(self.dispersy)
self.dispersy.attach_community(self.market_community)
eccrypto = ECCrypto()
ec = eccrypto.generate_key(u"curve25519")
member = Member(self.dispersy, ec, 1)
trader_id = hashlib.sha1(member.public_key).digest().encode('hex')
self.ask = Ask(
MessageId(TraderId('0'), MessageNumber('message_number')),
OrderId(TraderId(trader_id), OrderNumber(1234)),
Price(63400, 'DUM1'), Quantity(30, 'DUM2'), Timeout(3600),
Timestamp.now())
self.ask.sign(member)
self.bid = Bid(
MessageId(TraderId('1'), MessageNumber('message_number')),
OrderId(TraderId(trader_id), OrderNumber(1235)),
Price(343, 'DUM1'), Quantity(22, 'DUM2'), Timeout(3600),
Timestamp.now())
self.bid.sign(member)
self.order = Order(
OrderId(TraderId(self.market_community.mid), OrderNumber(24)),
Price(20, 'DUM1'), Quantity(30, 'DUM2'), Timeout(3600.0),
Timestamp.now(), False)
self.proposed_trade = Trade.propose(
MessageId(TraderId('0'), MessageNumber('message_number')),
OrderId(TraderId('0'), OrderNumber(23)),
OrderId(TraderId(self.market_community.mid), OrderNumber(24)),
Price(20, 'DUM1'), Quantity(30, 'DUM2'), Timestamp.now())
def setUp(self, annotate=True):
yield super(MatchingEngineTestSuite, self).setUp(annotate=annotate)
# Object creation
self.ask = Ask(
MessageId(TraderId('1'), MessageNumber('message_number1')),
OrderId(TraderId('2'), OrderNumber(1)), Price(100, 'BTC'),
Quantity(30, 'MC'), Timeout(30), Timestamp.now())
self.bid = Bid(
MessageId(TraderId('3'), MessageNumber('message_number2')),
OrderId(TraderId('4'), OrderNumber(2)), Price(100, 'BTC'),
Quantity(30, 'MC'), Timeout(30), Timestamp.now())
self.ask_order = Order(OrderId(TraderId('5'), OrderNumber(3)),
Price(100, 'BTC'), Quantity(30, 'MC'),
Timeout(30), Timestamp.now(), True)
self.bid_order = Order(OrderId(TraderId('6'), OrderNumber(4)),
Price(100, 'BTC'), Quantity(30, 'MC'),
Timeout(30), Timestamp.now(), False)
self.order_book = OrderBook(MemoryMessageRepository('0'))
self.matching_engine = MatchingEngine(
PriceTimeStrategy(self.order_book))
def test_proposed_trade_cache_timeout(self):
"""
Test the timeout method of a proposed trade request in the cache
"""
ask = Ask(
MessageId(TraderId('0'), MessageNumber('message_number')),
OrderId(TraderId(self.market_community.mid), OrderNumber(24)),
Price(63400, 'DUM1'), Quantity(30, 'DUM2'), Timeout(3600),
Timestamp.now())
order = Order(OrderId(TraderId("0"), OrderNumber(23)),
Price(20, 'DUM1'), Quantity(30, 'DUM2'), Timeout(3600.0),
Timestamp.now(), False)
self.market_community.order_book.insert_ask(ask)
self.assertEqual(len(self.market_community.order_book.asks), 1)
self.market_community.order_manager.order_repository.add(order)
order.reserve_quantity_for_tick(self.proposed_trade.recipient_order_id,
Quantity(30, 'DUM2'))
self.market_community.order_manager.order_repository.update(order)
cache = ProposedTradeRequestCache(self.market_community,
self.proposed_trade)
cache.on_timeout()
self.assertEqual(len(self.market_community.order_book.asks), 0)
def update_ticks(self,
ask_order_dict,
bid_order_dict,
traded_quantity,
unreserve=True):
"""
Update ticks according to a TrustChain block containing the status of the ask/bid orders.
:type ask_order_dict: dict
:type bid_order_dict: dict
:type traded_quantity: int
:type unreserve: bool
"""
ask_order_id = OrderId(TraderId(ask_order_dict["trader_id"]),
OrderNumber(ask_order_dict["order_number"]))
bid_order_id = OrderId(TraderId(bid_order_dict["trader_id"]),
OrderNumber(bid_order_dict["order_number"]))
self._logger.debug(
"Updating ticks in order book: %s and %s (traded quantity: %s)",
str(ask_order_id), str(bid_order_id), str(traded_quantity))
# Update ask tick
ask_exists = self.tick_exists(ask_order_id)
if ask_exists and ask_order_dict["traded"] >= self.get_tick(
ask_order_id).traded:
tick = self.get_tick(ask_order_id)
tick.traded = ask_order_dict["traded"]
if unreserve:
tick.release_for_matching(traded_quantity)
if tick.traded >= tick.assets.first.amount:
self.remove_tick(tick.order_id)
self.completed_orders.add(tick.order_id)
elif not ask_exists and ask_order_dict["traded"] < ask_order_dict["assets"]["first"]["amount"] and \
ask_order_id not in self.completed_orders:
new_pair = AssetPair.from_dictionary(ask_order_dict["assets"])
ask = Ask(ask_order_id,
new_pair,
Timeout(ask_order_dict["timeout"]),
Timestamp(ask_order_dict["timestamp"]),
traded=ask_order_dict["traded"])
self.insert_ask(ask)
elif not ask_exists and ask_order_dict["traded"] >= ask_order_dict[
"assets"]["first"]["amount"]:
self.completed_orders.add(ask_order_id)
# Update bid tick
bid_exists = self.tick_exists(bid_order_id)
if bid_exists and bid_order_dict["traded"] >= self.get_tick(
bid_order_id).traded:
tick = self.get_tick(bid_order_id)
tick.traded = bid_order_dict["traded"]
if unreserve:
tick.release_for_matching(traded_quantity)
if tick.traded >= tick.assets.first.amount:
self.remove_tick(tick.order_id)
self.completed_orders.add(tick.order_id)
elif not bid_exists and bid_order_dict["traded"] < bid_order_dict["assets"]["first"]["amount"] and \
bid_order_id not in self.completed_orders:
new_pair = AssetPair.from_dictionary(bid_order_dict["assets"])
bid = Bid(bid_order_id,
new_pair,
Timeout(bid_order_dict["timeout"]),
Timestamp(bid_order_dict["timestamp"]),
traded=bid_order_dict["traded"])
self.insert_bid(bid)
elif not bid_exists and bid_order_dict["traded"] >= bid_order_dict[
"assets"]["first"]["amount"]:
self.completed_orders.add(bid_order_id)
