freqtrade_origin/tests/persistence/test_persistence_short.py
Sam Germain 7f75c978a0 All persistence margin tests pass
Flake8 compliant, passed mypy, ran isort .
2021-07-26 23:09:47 -06:00

773 lines
30 KiB
Python

from datetime import datetime, timedelta
from math import isclose
import arrow
import pytest
from freqtrade.enums import InterestMode
from freqtrade.persistence import Trade, init_db
from tests.conftest import create_mock_trades_with_leverage, log_has_re
@pytest.mark.usefixtures("init_persistence")
def test_interest_kraken_short(market_short_order, fee):
"""
Market trade on Kraken at 3x and 8x leverage
Short trade
interest_rate: 0.05%, 0.25% per 4 hrs
open_rate: 0.00004173 base
close_rate: 0.00004099 base
amount:
275.97543219 crypto
459.95905365 crypto
borrowed:
275.97543219 crypto
459.95905365 crypto
time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
5 hours = 5/4
interest: borrowed * interest_rate * time-periods
= 275.97543219 * 0.0005 * 1 = 0.137987716095 crypto
= 275.97543219 * 0.00025 * 5/4 = 0.086242322559375 crypto
= 459.95905365 * 0.0005 * 5/4 = 0.28747440853125 crypto
= 459.95905365 * 0.00025 * 1 = 0.1149897634125 crypto
"""
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
amount=275.97543219,
open_rate=0.00001099,
open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
fee_open=fee.return_value,
fee_close=fee.return_value,
exchange='kraken',
is_short=True,
leverage=3.0,
interest_rate=0.0005,
interest_mode=InterestMode.HOURSPER4
)
assert float(round(trade.calculate_interest(), 8)) == round(0.137987716095, 8)
trade.open_date = datetime.utcnow() - timedelta(hours=5, minutes=0)
assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)
) == round(0.086242322559375, 8)
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
amount=459.95905365,
open_rate=0.00001099,
open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
fee_open=fee.return_value,
fee_close=fee.return_value,
exchange='kraken',
is_short=True,
leverage=5.0,
interest_rate=0.0005,
interest_mode=InterestMode.HOURSPER4
)
assert float(round(trade.calculate_interest(), 8)) == round(0.28747440853125, 8)
trade.open_date = datetime.utcnow() - timedelta(hours=0, minutes=10)
assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)
) == round(0.1149897634125, 8)
@ pytest.mark.usefixtures("init_persistence")
def test_interest_binance_short(market_short_order, fee):
"""
Market trade on Binance at 3x and 5x leverage
Short trade
interest_rate: 0.05%, 0.25% per 1 day
open_rate: 0.00004173 base
close_rate: 0.00004099 base
amount:
91.99181073 * leverage(3) = 275.97543219 crypto
91.99181073 * leverage(5) = 459.95905365 crypto
borrowed:
275.97543219 crypto
459.95905365 crypto
time-periods: 10 minutes(rounds up to 1/24 time-period of 1 day)
5 hours = 5/24
interest: borrowed * interest_rate * time-periods
= 275.97543219 * 0.0005 * 1/24 = 0.005749488170625 crypto
= 275.97543219 * 0.00025 * 5/24 = 0.0143737204265625 crypto
= 459.95905365 * 0.0005 * 5/24 = 0.047912401421875 crypto
= 459.95905365 * 0.00025 * 1/24 = 0.0047912401421875 crypto
"""
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
amount=275.97543219,
open_rate=0.00001099,
open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
fee_open=fee.return_value,
fee_close=fee.return_value,
exchange='binance',
is_short=True,
leverage=3.0,
interest_rate=0.0005,
interest_mode=InterestMode.HOURSPERDAY
)
assert float(round(trade.calculate_interest(), 8)) == 0.00574949
trade.open_date = datetime.utcnow() - timedelta(hours=5, minutes=0)
assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)) == 0.01437372
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
amount=459.95905365,
open_rate=0.00001099,
open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
fee_open=fee.return_value,
fee_close=fee.return_value,
exchange='binance',
is_short=True,
leverage=5.0,
interest_rate=0.0005,
interest_mode=InterestMode.HOURSPERDAY
)
assert float(round(trade.calculate_interest(), 8)) == 0.04791240
trade.open_date = datetime.utcnow() - timedelta(hours=0, minutes=10)
assert float(round(trade.calculate_interest(interest_rate=0.00025), 8)) == 0.00479124
@ pytest.mark.usefixtures("init_persistence")
def test_calc_open_trade_value_short(market_short_order, fee):
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
amount=5,
open_rate=0.00004173,
open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
fee_open=fee.return_value,
fee_close=fee.return_value,
interest_rate=0.0005,
is_short=True,
leverage=3.0,
exchange='kraken',
interest_mode=InterestMode.HOURSPER4
)
trade.open_order_id = 'open_trade'
trade.update(market_short_order) # Buy @ 0.00001099
# Get the open rate price with the standard fee rate
assert trade._calc_open_trade_value() == 0.011487663648325479
trade.fee_open = 0.003
# Get the open rate price with a custom fee rate
assert trade._calc_open_trade_value() == 0.011481905420932834
@ pytest.mark.usefixtures("init_persistence")
def test_update_open_order_short(limit_short_order):
trade = Trade(
pair='ETH/BTC',
stake_amount=1.00,
open_rate=0.01,
amount=5,
leverage=3.0,
fee_open=0.1,
fee_close=0.1,
interest_rate=0.0005,
is_short=True,
exchange='binance',
interest_mode=InterestMode.HOURSPERDAY
)
assert trade.open_order_id is None
assert trade.close_profit is None
assert trade.close_date is None
limit_short_order['status'] = 'open'
trade.update(limit_short_order)
assert trade.open_order_id is None
assert trade.close_profit is None
assert trade.close_date is None
@ pytest.mark.usefixtures("init_persistence")
def test_calc_close_trade_price_exception_short(limit_short_order, fee):
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
open_rate=0.1,
amount=15.0,
fee_open=fee.return_value,
fee_close=fee.return_value,
exchange='binance',
interest_rate=0.0005,
leverage=3.0,
is_short=True,
interest_mode=InterestMode.HOURSPERDAY
)
trade.open_order_id = 'something'
trade.update(limit_short_order)
assert trade.calc_close_trade_value() == 0.0
@ pytest.mark.usefixtures("init_persistence")
def test_calc_close_trade_price_short(market_short_order, market_exit_short_order, fee):
"""
10 minute short market trade on Kraken at 3x leverage
Short trade
fee: 0.25% base
interest_rate: 0.05% per 4 hrs
open_rate: 0.00004173 base
close_rate: 0.00001234 base
amount: = 275.97543219 crypto
borrowed: 275.97543219 crypto
time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
interest: borrowed * interest_rate * time-periods
= 275.97543219 * 0.0005 * 1 = 0.137987716095 crypto
amount_closed: amount + interest = 275.97543219 + 0.137987716095 = 276.113419906095
close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
= (276.113419906095 * 0.00001234) + (276.113419906095 * 0.00001234 * 0.0025)
= 0.01134618380465571
"""
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
amount=5,
open_rate=0.00001099,
fee_open=fee.return_value,
fee_close=fee.return_value,
open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
interest_rate=0.0005,
is_short=True,
leverage=3.0,
exchange='kraken',
interest_mode=InterestMode.HOURSPER4
)
trade.open_order_id = 'close_trade'
trade.update(market_short_order) # Buy @ 0.00001099
# Get the close rate price with a custom close rate and a regular fee rate
assert isclose(trade.calc_close_trade_value(rate=0.00001234), 0.003415757700645315)
# Get the close rate price with a custom close rate and a custom fee rate
assert isclose(trade.calc_close_trade_value(rate=0.00001234, fee=0.003), 0.0034174613204461354)
# Test when we apply a Sell order, and ask price with a custom fee rate
trade.update(market_exit_short_order)
assert isclose(trade.calc_close_trade_value(fee=0.005), 0.011374478527360586)
@ pytest.mark.usefixtures("init_persistence")
def test_calc_open_close_trade_price_short(limit_short_order, limit_exit_short_order, fee):
"""
5 hour short trade on Binance
Short trade
fee: 0.25% base
interest_rate: 0.05% per day
open_rate: 0.00001173 base
close_rate: 0.00001099 base
amount: 90.99181073 crypto
borrowed: 90.99181073 crypto
stake_amount: 0.0010673339398629
time-periods: 5 hours = 5/24
interest: borrowed * interest_rate * time-periods
= 90.99181073 * 0.0005 * 5/24 = 0.009478313617708333 crypto
open_value: (amount * open_rate) - (amount * open_rate * fee)
= (90.99181073 * 0.00001173) - (90.99181073 * 0.00001173 * 0.0025)
= 0.0010646656050132426
amount_closed: amount + interest = 90.99181073 + 0.009478313617708333 = 91.0012890436177
close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
= (91.0012890436177 * 0.00001099) + (91.0012890436177 * 0.00001099 * 0.0025)
= 0.001002604427005832
total_profit = open_value - close_value
= 0.0010646656050132426 - 0.001002604427005832
= 0.00006206117800741065
total_profit_percentage = (close_value - open_value) / stake_amount
= (0.0010646656050132426 - 0.0010025208853391716)/0.0010673339398629
= 0.05822425142973869
"""
trade = Trade(
pair='ETH/BTC',
stake_amount=0.0010673339398629,
open_rate=0.01,
amount=5,
open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
fee_open=fee.return_value,
fee_close=fee.return_value,
exchange='binance',
interest_rate=0.0005,
interest_mode=InterestMode.HOURSPERDAY
)
trade.open_order_id = 'something'
trade.update(limit_short_order)
assert trade._calc_open_trade_value() == 0.0010646656050132426
trade.update(limit_exit_short_order)
# Is slightly different due to compilation time. Interest depends on time
assert round(trade.calc_close_trade_value(), 11) == round(0.001002604427005832, 11)
# Profit in BTC
assert round(trade.calc_profit(), 8) == round(0.00006206117800741065, 8)
# Profit in percent
# TODO-mg get this working
# assert round(trade.calc_profit_ratio(), 11) == round(0.05822425142973869, 11)
@ pytest.mark.usefixtures("init_persistence")
def test_trade_close_short(fee):
"""
Five hour short trade on Kraken at 3x leverage
Short trade
Exchange: Kraken
fee: 0.25% base
interest_rate: 0.05% per 4 hours
open_rate: 0.02 base
close_rate: 0.01 base
leverage: 3.0
amount: 15 crypto
borrowed: 15 crypto
time-periods: 5 hours = 5/4
interest: borrowed * interest_rate * time-periods
= 15 * 0.0005 * 5/4 = 0.009375 crypto
open_value: (amount * open_rate) - (amount * open_rate * fee)
= (15 * 0.02) - (15 * 0.02 * 0.0025)
= 0.29925
amount_closed: amount + interest = 15 + 0.009375 = 15.009375
close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
= (15.009375 * 0.01) + (15.009375 * 0.01 * 0.0025)
= 0.150468984375
total_profit = open_value - close_value
= 0.29925 - 0.150468984375
= 0.148781015625
total_profit_percentage = total_profit / stake_amount
= 0.148781015625 / 0.1
= 1.4878101562500001
"""
trade = Trade(
pair='ETH/BTC',
stake_amount=0.1,
open_rate=0.02,
amount=15,
is_open=True,
fee_open=fee.return_value,
fee_close=fee.return_value,
open_date=datetime.utcnow() - timedelta(hours=5, minutes=0),
exchange='kraken',
is_short=True,
leverage=3.0,
interest_rate=0.0005,
interest_mode=InterestMode.HOURSPER4
)
assert trade.close_profit is None
assert trade.close_date is None
assert trade.is_open is True
trade.close(0.01)
assert trade.is_open is False
assert trade.close_profit == round(1.4878101562500001, 8)
assert trade.close_date is not None
# TODO-mg: Remove these comments probably
# new_date = arrow.Arrow(2020, 2, 2, 15, 6, 1).datetime,
# assert trade.close_date != new_date
# # Close should NOT update close_date if the trade has been closed already
# assert trade.is_open is False
# trade.close_date = new_date
# trade.close(0.02)
# assert trade.close_date == new_date
@ pytest.mark.usefixtures("init_persistence")
def test_update_with_binance_short(limit_short_order, limit_exit_short_order, fee, caplog):
"""
10 minute short limit trade on binance
Short trade
fee: 0.25% base
interest_rate: 0.05% per day
open_rate: 0.00001173 base
close_rate: 0.00001099 base
amount: 90.99181073 crypto
stake_amount: 0.0010673339398629 base
borrowed: 90.99181073 crypto
time-periods: 10 minutes(rounds up to 1/24 time-period of 1 day)
interest: borrowed * interest_rate * time-periods
= 90.99181073 * 0.0005 * 1/24 = 0.0018956627235416667 crypto
open_value: (amount * open_rate) - (amount * open_rate * fee)
= 90.99181073 * 0.00001173 - 90.99181073 * 0.00001173 * 0.0025
= 0.0010646656050132426
amount_closed: amount + interest = 90.99181073 + 0.0018956627235416667 = 90.99370639272354
close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
= (90.99370639272354 * 0.00001099) + (90.99370639272354 * 0.00001099 * 0.0025)
= 0.0010025208853391716
total_profit = open_value - close_value
= 0.0010646656050132426 - 0.0010025208853391716
= 0.00006214471967407108
total_profit_percentage = (close_value - open_value) / stake_amount
= 0.00006214471967407108 / 0.0010673339398629
= 0.05822425142973869
"""
trade = Trade(
id=2,
pair='ETH/BTC',
stake_amount=0.0010673339398629,
open_rate=0.01,
amount=5,
is_open=True,
open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
fee_open=fee.return_value,
fee_close=fee.return_value,
# borrowed=90.99181073,
interest_rate=0.0005,
exchange='binance',
interest_mode=InterestMode.HOURSPERDAY
)
# assert trade.open_order_id is None
assert trade.close_profit is None
assert trade.close_date is None
assert trade.borrowed == 0.0
assert trade.is_short is None
# trade.open_order_id = 'something'
trade.update(limit_short_order)
# assert trade.open_order_id is None
assert trade.open_rate == 0.00001173
assert trade.close_profit is None
assert trade.close_date is None
assert trade.borrowed == 90.99181073
assert trade.is_short is True
assert log_has_re(r"LIMIT_SELL has been fulfilled for Trade\(id=2, "
r"pair=ETH/BTC, amount=90.99181073, open_rate=0.00001173, open_since=.*\).",
caplog)
caplog.clear()
# trade.open_order_id = 'something'
trade.update(limit_exit_short_order)
# assert trade.open_order_id is None
assert trade.close_rate == 0.00001099
assert trade.close_profit == 0.05822425
assert trade.close_date is not None
assert log_has_re(r"LIMIT_BUY has been fulfilled for Trade\(id=2, "
r"pair=ETH/BTC, amount=90.99181073, open_rate=0.00001173, open_since=.*\).",
caplog)
@ pytest.mark.usefixtures("init_persistence")
def test_update_market_order_short(
market_short_order,
market_exit_short_order,
fee,
caplog
):
"""
10 minute short market trade on Kraken at 3x leverage
Short trade
fee: 0.25% base
interest_rate: 0.05% per 4 hrs
open_rate: 0.00004173 base
close_rate: 0.00004099 base
amount: = 275.97543219 crypto
stake_amount: 0.0038388182617629
borrowed: 275.97543219 crypto
time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
interest: borrowed * interest_rate * time-periods
= 275.97543219 * 0.0005 * 1 = 0.137987716095 crypto
open_value: (amount * open_rate) - (amount * open_rate * fee)
= 275.97543219 * 0.00004173 - 275.97543219 * 0.00004173 * 0.0025
= 0.011487663648325479
amount_closed: amount + interest = 275.97543219 + 0.137987716095 = 276.113419906095
close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
= (276.113419906095 * 0.00004099) + (276.113419906095 * 0.00004099 * 0.0025)
= 0.01134618380465571
total_profit = open_value - close_value
= 0.011487663648325479 - 0.01134618380465571
= 0.00014147984366976937
total_profit_percentage = total_profit / stake_amount
= 0.00014147984366976937 / 0.0038388182617629
= 0.036855051222142936
"""
trade = Trade(
id=1,
pair='ETH/BTC',
stake_amount=0.0038388182617629,
amount=5,
open_rate=0.01,
is_open=True,
fee_open=fee.return_value,
fee_close=fee.return_value,
open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
interest_rate=0.0005,
exchange='kraken',
interest_mode=InterestMode.HOURSPER4
)
trade.open_order_id = 'something'
trade.update(market_short_order)
assert trade.leverage == 3.0
assert trade.is_short is True
assert trade.open_order_id is None
assert trade.open_rate == 0.00004173
assert trade.close_profit is None
assert trade.close_date is None
assert trade.interest_rate == 0.0005
# The logger also has the exact same but there's some spacing in there
assert log_has_re(r"MARKET_SELL has been fulfilled for Trade\(id=1, "
r"pair=ETH/BTC, amount=275.97543219, open_rate=0.00004173, open_since=.*\).",
caplog)
caplog.clear()
trade.is_open = True
trade.open_order_id = 'something'
trade.update(market_exit_short_order)
assert trade.open_order_id is None
assert trade.close_rate == 0.00004099
assert trade.close_profit == 0.03685505
assert trade.close_date is not None
# TODO-mg: The amount should maybe be the opening amount + the interest
# TODO-mg: Uncomment the next assert and make it work.
# The logger also has the exact same but there's some spacing in there
assert log_has_re(r"MARKET_BUY has been fulfilled for Trade\(id=1, "
r"pair=ETH/BTC, amount=275.97543219, open_rate=0.00004173, open_since=.*\).",
caplog)
@ pytest.mark.usefixtures("init_persistence")
def test_calc_profit_short(market_short_order, market_exit_short_order, fee):
"""
Market trade on Kraken at 3x leverage
Short trade
fee: 0.25% base or 0.3%
interest_rate: 0.05%, 0.25% per 4 hrs
open_rate: 0.00004173 base
close_rate: 0.00004099 base
stake_amount: 0.0038388182617629
amount: = 275.97543219 crypto
borrowed: 275.97543219 crypto
time-periods: 10 minutes(rounds up to 1 time-period of 4hrs)
5 hours = 5/4
interest: borrowed * interest_rate * time-periods
= 275.97543219 * 0.0005 * 1 = 0.137987716095 crypto
= 275.97543219 * 0.00025 * 5/4 = 0.086242322559375 crypto
= 275.97543219 * 0.0005 * 5/4 = 0.17248464511875 crypto
= 275.97543219 * 0.00025 * 1 = 0.0689938580475 crypto
open_value: (amount * open_rate) - (amount * open_rate * fee)
= (275.97543219 * 0.00004173) - (275.97543219 * 0.00004173 * 0.0025)
= 0.011487663648325479
amount_closed: amount + interest
= 275.97543219 + 0.137987716095 = 276.113419906095
= 275.97543219 + 0.086242322559375 = 276.06167451255936
= 275.97543219 + 0.17248464511875 = 276.14791683511874
= 275.97543219 + 0.0689938580475 = 276.0444260480475
close_value: (amount_closed * close_rate) + (amount_closed * close_rate * fee)
(276.113419906095 * 0.00004374) + (276.113419906095 * 0.00004374 * 0.0025)
= 0.012107393989159325
(276.06167451255936 * 0.00000437) + (276.06167451255936 * 0.00000437 * 0.0025)
= 0.0012094054914139338
(276.14791683511874 * 0.00004374) + (276.14791683511874 * 0.00004374 * 0.003)
= 0.012114946012015198
(276.0444260480475 * 0.00000437) + (276.0444260480475 * 0.00000437 * 0.003)
= 0.0012099330842554573
total_profit = open_value - close_value
= print(0.011487663648325479 - 0.012107393989159325) = -0.0006197303408338461
= print(0.011487663648325479 - 0.0012094054914139338) = 0.010278258156911545
= print(0.011487663648325479 - 0.012114946012015198) = -0.0006272823636897188
= print(0.011487663648325479 - 0.0012099330842554573) = 0.010277730564070022
total_profit_percentage = (close_value - open_value) / stake_amount
(0.011487663648325479 - 0.012107393989159325)/0.0038388182617629 = -0.16143779115744006
(0.011487663648325479 - 0.0012094054914139338)/0.0038388182617629 = 2.677453699564163
(0.011487663648325479 - 0.012114946012015198)/0.0038388182617629 = -0.16340506919482353
(0.011487663648325479 - 0.0012099330842554573)/0.0038388182617629 = 2.677316263299785
"""
trade = Trade(
pair='ETH/BTC',
stake_amount=0.0038388182617629,
amount=5,
open_rate=0.00001099,
open_date=datetime.utcnow() - timedelta(hours=0, minutes=10),
fee_open=fee.return_value,
fee_close=fee.return_value,
exchange='kraken',
is_short=True,
interest_rate=0.0005,
interest_mode=InterestMode.HOURSPER4
)
trade.open_order_id = 'something'
trade.update(market_short_order) # Buy @ 0.00001099
# Custom closing rate and regular fee rate
# Higher than open rate
assert trade.calc_profit(rate=0.00004374, interest_rate=0.0005) == round(-0.00061973, 8)
assert trade.calc_profit_ratio(
rate=0.00004374, interest_rate=0.0005) == round(-0.16143779115744006, 8)
# Lower than open rate
trade.open_date = datetime.utcnow() - timedelta(hours=5, minutes=0)
assert trade.calc_profit(rate=0.00000437, interest_rate=0.00025) == round(0.01027826, 8)
assert trade.calc_profit_ratio(
rate=0.00000437, interest_rate=0.00025) == round(2.677453699564163, 8)
# Custom closing rate and custom fee rate
# Higher than open rate
assert trade.calc_profit(rate=0.00004374, fee=0.003,
interest_rate=0.0005) == round(-0.00062728, 8)
assert trade.calc_profit_ratio(rate=0.00004374, fee=0.003,
interest_rate=0.0005) == round(-0.16340506919482353, 8)
# Lower than open rate
trade.open_date = datetime.utcnow() - timedelta(hours=0, minutes=10)
assert trade.calc_profit(rate=0.00000437, fee=0.003,
interest_rate=0.00025) == round(0.01027773, 8)
assert trade.calc_profit_ratio(rate=0.00000437, fee=0.003,
interest_rate=0.00025) == round(2.677316263299785, 8)
# Test when we apply a Sell order. Sell higher than open rate @ 0.00001173
trade.update(market_exit_short_order)
assert trade.calc_profit() == round(0.00014148, 8)
assert trade.calc_profit_ratio() == round(0.03685505, 8)
# Test with a custom fee rate on the close trade
# assert trade.calc_profit(fee=0.003) == 0.00006163
# assert trade.calc_profit_ratio(fee=0.003) == 0.06147824
def test_adjust_stop_loss_short(fee):
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
amount=5,
fee_open=fee.return_value,
fee_close=fee.return_value,
exchange='binance',
open_rate=1,
max_rate=1,
is_short=True,
interest_mode=InterestMode.HOURSPERDAY
)
trade.adjust_stop_loss(trade.open_rate, 0.05, True)
assert trade.stop_loss == 1.05
assert trade.stop_loss_pct == 0.05
assert trade.initial_stop_loss == 1.05
assert trade.initial_stop_loss_pct == 0.05
# Get percent of profit with a lower rate
trade.adjust_stop_loss(1.04, 0.05)
assert trade.stop_loss == 1.05
assert trade.stop_loss_pct == 0.05
assert trade.initial_stop_loss == 1.05
assert trade.initial_stop_loss_pct == 0.05
# Get percent of profit with a custom rate (Higher than open rate)
trade.adjust_stop_loss(0.7, 0.1)
# If the price goes down to 0.7, with a trailing stop of 0.1,
# the new stoploss at 0.1 above 0.7 would be 0.7*0.1 higher
assert round(trade.stop_loss, 8) == 0.77
assert trade.stop_loss_pct == 0.1
assert trade.initial_stop_loss == 1.05
assert trade.initial_stop_loss_pct == 0.05
# current rate lower again ... should not change
trade.adjust_stop_loss(0.8, -0.1)
assert round(trade.stop_loss, 8) == 0.77
assert trade.initial_stop_loss == 1.05
assert trade.initial_stop_loss_pct == 0.05
# current rate higher... should raise stoploss
trade.adjust_stop_loss(0.6, -0.1)
assert round(trade.stop_loss, 8) == 0.66
assert trade.initial_stop_loss == 1.05
assert trade.initial_stop_loss_pct == 0.05
# Initial is true but stop_loss set - so doesn't do anything
trade.adjust_stop_loss(0.3, -0.1, True)
assert round(trade.stop_loss, 8) == 0.66 # TODO-mg: What is this test?
assert trade.initial_stop_loss == 1.05
assert trade.initial_stop_loss_pct == 0.05
assert trade.stop_loss_pct == 0.1
trade.set_liquidation_price(0.63)
trade.adjust_stop_loss(0.59, -0.1)
assert trade.stop_loss == 0.63
assert trade.liquidation_price == 0.63
# TODO-mg: Do a test with a trade that has a liquidation price
@ pytest.mark.usefixtures("init_persistence")
@ pytest.mark.parametrize('use_db', [True, False])
def test_get_open_short(fee, use_db):
Trade.use_db = use_db
Trade.reset_trades()
create_mock_trades_with_leverage(fee, use_db)
assert len(Trade.get_open_trades()) == 5
Trade.use_db = True
def test_stoploss_reinitialization_short(default_conf, fee):
init_db(default_conf['db_url'])
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
fee_open=fee.return_value,
open_date=arrow.utcnow().shift(hours=-2).datetime,
amount=10,
fee_close=fee.return_value,
exchange='binance',
open_rate=1,
max_rate=1,
is_short=True,
leverage=3.0,
interest_mode=InterestMode.HOURSPERDAY
)
trade.adjust_stop_loss(trade.open_rate, -0.05, True)
assert trade.stop_loss == 1.05
assert trade.stop_loss_pct == 0.05
assert trade.initial_stop_loss == 1.05
assert trade.initial_stop_loss_pct == 0.05
Trade.query.session.add(trade)
# Lower stoploss
Trade.stoploss_reinitialization(-0.06)
trades = Trade.get_open_trades()
assert len(trades) == 1
trade_adj = trades[0]
assert trade_adj.stop_loss == 1.06
assert trade_adj.stop_loss_pct == 0.06
assert trade_adj.initial_stop_loss == 1.06
assert trade_adj.initial_stop_loss_pct == 0.06
# Raise stoploss
Trade.stoploss_reinitialization(-0.04)
trades = Trade.get_open_trades()
assert len(trades) == 1
trade_adj = trades[0]
assert trade_adj.stop_loss == 1.04
assert trade_adj.stop_loss_pct == 0.04
assert trade_adj.initial_stop_loss == 1.04
assert trade_adj.initial_stop_loss_pct == 0.04
# Trailing stoploss
trade.adjust_stop_loss(0.98, -0.04)
assert trade_adj.stop_loss == 1.0192
assert trade_adj.initial_stop_loss == 1.04
Trade.stoploss_reinitialization(-0.04)
trades = Trade.get_open_trades()
assert len(trades) == 1
trade_adj = trades[0]
# Stoploss should not change in this case.
assert trade_adj.stop_loss == 1.0192
assert trade_adj.stop_loss_pct == 0.04
assert trade_adj.initial_stop_loss == 1.04
assert trade_adj.initial_stop_loss_pct == 0.04
# Stoploss can't go above liquidation price
trade_adj.set_liquidation_price(1.0)
trade.adjust_stop_loss(0.97, -0.04)
assert trade_adj.stop_loss == 1.0
assert trade_adj.stop_loss == 1.0
@ pytest.mark.usefixtures("init_persistence")
@ pytest.mark.parametrize('use_db', [True, False])
def test_total_open_trades_stakes_short(fee, use_db):
Trade.use_db = use_db
Trade.reset_trades()
res = Trade.total_open_trades_stakes()
assert res == 0
create_mock_trades_with_leverage(fee, use_db)
res = Trade.total_open_trades_stakes()
assert res == 15.133
Trade.use_db = True
@ pytest.mark.usefixtures("init_persistence")
def test_get_best_pair_short(fee):
res = Trade.get_best_pair()
assert res is None
create_mock_trades_with_leverage(fee)
res = Trade.get_best_pair()
assert len(res) == 2
assert res[0] == 'DOGE/BTC'
assert res[1] == 0.17524390243902502