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Fix 0 Division error on exchanges without average 

closes #6461
This commit is contained in:
Matthias 2022-02-26 08:19:45 +01:00
parent a0b42c7aa2
commit 018c620057
4 changed files with 19 additions and 11 deletions
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1
freqtrade/persistence/models.py
View File

@ -195,6 +195,7 @@ class Order(_DECL_BASE):
return {
'amount': self.amount,
'average': round(self.average, 8) if self.average else 0,
'safe_price': self.safe_price,
'cost': self.cost if self.cost else 0,
'filled': self.filled,
'ft_order_side': self.ft_order_side,

21
freqtrade/rpc/telegram.py
View File

@ -370,15 +370,18 @@ class Telegram(RPCHandler):
else:
return "\N{CROSS MARK}"
def _prepare_entry_details(self, filled_orders, base_currency, is_open):
def _prepare_entry_details(self, filled_orders: List, base_currency: str, is_open: bool):
"""
Prepare details of trade with entry adjustment enabled
"""
lines = []
lines: List[str] = []
if len(filled_orders) > 0:
first_avg = filled_orders[0]["safe_price"]
for x, order in enumerate(filled_orders):
cur_entry_datetime = arrow.get(order["order_filled_date"])
cur_entry_amount = order["amount"]
cur_entry_average = order["average"]
cur_entry_average = order["safe_price"]
lines.append(" ")
if x == 0:
lines.append("*Entry #{}:*".format(x+1))
@ -389,12 +392,14 @@ class Telegram(RPCHandler):
sumA = 0
sumB = 0
for y in range(x):
sumA += (filled_orders[y]["amount"] * filled_orders[y]["average"])
sumA += (filled_orders[y]["amount"] * filled_orders[y]["safe_price"])
sumB += filled_orders[y]["amount"]
prev_avg_price = sumA/sumB
price_to_1st_entry = ((cur_entry_average - filled_orders[0]["average"])
/ filled_orders[0]["average"])
minus_on_entry = (cur_entry_average - prev_avg_price)/prev_avg_price
prev_avg_price = sumA / sumB
price_to_1st_entry = ((cur_entry_average - first_avg) / first_avg)
minus_on_entry = 0
if prev_avg_price:
minus_on_entry = (cur_entry_average - prev_avg_price) / prev_avg_price
dur_entry = cur_entry_datetime - arrow.get(filled_orders[x-1]["order_filled_date"])
days = dur_entry.days
hours, remainder = divmod(dur_entry.seconds, 3600)

4
tests/rpc/test_rpc.py
View File

@ -110,7 +110,7 @@ def test_rpc_trade_status(default_conf, ticker, fee, mocker) -> None:
'open_order': None,
'exchange': 'binance',
'filled_entry_orders': [{
'amount': 91.07468123, 'average': 1.098e-05,
'amount': 91.07468123, 'average': 1.098e-05, 'safe_price': 1.098e-05,
'cost': 0.0009999999999054, 'filled': 91.07468123, 'ft_order_side': 'buy',
'order_date': ANY, 'order_timestamp': ANY, 'order_filled_date': ANY,
'order_filled_timestamp': ANY, 'order_type': 'limit', 'price': 1.098e-05,
@ -185,7 +185,7 @@ def test_rpc_trade_status(default_conf, ticker, fee, mocker) -> None:
'open_order': None,
'exchange': 'binance',
'filled_entry_orders': [{
'amount': 91.07468123, 'average': 1.098e-05,
'amount': 91.07468123, 'average': 1.098e-05, 'safe_price': 1.098e-05,
'cost': 0.0009999999999054, 'filled': 91.07468123, 'ft_order_side': 'buy',
'order_date': ANY, 'order_timestamp': ANY, 'order_filled_date': ANY,
'order_filled_timestamp': ANY, 'order_type': 'limit', 'price': 1.098e-05,

4
tests/rpc/test_rpc_telegram.py
View File

@ -236,6 +236,8 @@ def test_telegram_status_multi_entry(default_conf, update, mocker, fee) -> None:
create_mock_trades(fee)
trades = Trade.get_open_trades()
trade = trades[0]
# Average may be empty on some exchanges
trade.orders[0].average = 0
trade.orders.append(Order(
order_id='5412vbb',
ft_order_side='buy',
@ -246,7 +248,7 @@ def test_telegram_status_multi_entry(default_conf, update, mocker, fee) -> None:
order_type="market",
side="buy",
price=trade.open_rate * 0.95,
average=trade.open_rate * 0.95,
average=0,
filled=trade.amount,
remaining=0,
cost=trade.amount,