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@@ -13,10 +13,21 @@ def place_order(ownable_id):
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:param ownable_id: on which ownable to place the order
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:return: True iff a new order was placed
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"""
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+
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best_buy_order, cheapest_sell_order = model.abs_spread(ownable_id)
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if best_buy_order is None or cheapest_sell_order is None:
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return False
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investors_id = model.bank_id()
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+ ownership_id = model.get_ownership_id(ownable_id, investors_id)
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+
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+ if debug: # the bot should only have one order
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+ model.cursor.execute('''
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+ SELECT COUNT(*) = 0
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+ FROM orders
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+ WHERE ownership_id = ?
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+ ''', (ownership_id,))
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+ if not model.cursor.fetchone()[0]:
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+ raise AssertionError('The bot should no orders at this point.')
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amounts = model.cursor.execute('''
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SELECT ordered_amount
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@@ -34,14 +45,14 @@ def place_order(ownable_id):
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limit = round(random.uniform(best_buy_order, cheapest_sell_order) * 10000) / 10000
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if limit - best_buy_order < cheapest_sell_order - limit:
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model.place_order(buy=True,
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- ownership_id=model.get_ownership_id(ownable_id, investors_id),
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+ ownership_id=ownership_id,
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limit=limit,
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stop_loss=False,
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amount=amount,
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expiry=expiry)
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else:
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model.place_order(buy=False,
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- ownership_id=model.get_ownership_id(ownable_id, investors_id),
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+ ownership_id=ownership_id,
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limit=limit,
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stop_loss=False,
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amount=amount,
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