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@@ -8,9 +8,14 @@ order_expiry = 43200
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def place_order(ownable_id):
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+ """
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+ places a new order according to the algorithm described in `assets/follower.py`
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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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cheapest_buy_order, best_sell_order = model.abs_spread(ownable_id)
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if cheapest_buy_order is None or best_sell_order is None:
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- return
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+ return False
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investors_id = model.bank_id()
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orders = model.get_ownable_orders(investors_id, ownable_id)
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@@ -26,6 +31,7 @@ def place_order(ownable_id):
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stop_loss=False,
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amount=amount,
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expiry=expiry)
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+ return True
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def main(): # TODO testen
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@@ -79,6 +85,10 @@ def notify_order_traded(ownable_id):
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-- ORDER BY rowid DESC -- equivalent to ordering by time created
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LIMIT 1
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''', (ownership_id,))
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+ data = model.cursor.fechtall()
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+ # TODO Neu überdenken, das geht so nicht, wenn die order schon ausgeführt ist, ist sie nicht mehr in der DB
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+ if not data:
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+ return place_order(ownable_id)
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my_last_order = model.cursor.fechtone()
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last_order_id = my_last_order[0]
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@@ -95,7 +105,6 @@ def notify_order_traded(ownable_id):
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if model.cursor.fechtone()[0]:
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model.delete_order(last_order_id)
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- place_order(ownable_id)
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- return True
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+ return place_order(ownable_id)
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return False
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