Write crossfilter, asset groups and max open trades implementation and tests

master
Mark Veidemanis 1 year ago
parent 67117f0978
commit d262f208b5
Signed by: m
GPG Key ID: 5ACFCEED46C0904F

@ -79,7 +79,6 @@ def tp_price_to_percent(tp_price, side, current_price, current_units, unrealised
initial_price = D(current_price) - pl_per_unit
else:
initial_price = D(current_price) + pl_per_unit
# Get the percent change of the TP price from the initial price.
change_percent = ((initial_price - D(tp_price)) / initial_price) * 100
@ -106,6 +105,7 @@ def tp_price_to_percent(tp_price, side, current_price, current_units, unrealised
def tp_percent_to_price(tp_percent, side, current_price, current_units, unrealised_pl):
"""
Determine the price of the TP percent from the initial price.
Negative values for tp_percent indicate a loss.
"""
pl_per_unit = D(unrealised_pl) / D(current_units)
if side == "long":
@ -117,12 +117,31 @@ def tp_percent_to_price(tp_percent, side, current_price, current_units, unrealis
change_percent = D(tp_percent) / 100
# Get the price of the TP percent from the initial price.
change_price = initial_price * change_percent
change_price = initial_price * abs(change_percent)
# loss is true if tp_percent is:
# - below initial_price for long
# - above initial_price for short
if D(tp_percent) < D(0):
loss = True
else:
loss = False
if side == "long":
tp_price = initial_price - change_price
if loss:
tp_price = D(initial_price) - change_price
else:
tp_price = D(initial_price) + change_price
else:
tp_price = initial_price + change_price
if loss:
tp_price = D(initial_price) + change_price
else:
tp_price = D(initial_price) - change_price
# if side == "long":
# tp_price = initial_price - change_price
# else:
# tp_price = initial_price + change_price
return round(tp_price, 5)
@ -184,12 +203,23 @@ def sl_percent_to_price(sl_percent, side, current_price, current_units, unrealis
change_percent = D(sl_percent) / 100
# Get the price of the SL percent from the initial price.
change_price = initial_price * change_percent
change_price = initial_price * abs(change_percent)
if D(sl_percent) < D(0):
profit = True
else:
profit = False
if side == "long":
sl_price = initial_price - change_price
if profit:
sl_price = D(initial_price) + change_price
else:
sl_price = D(initial_price) - change_price
else:
sl_price = initial_price + change_price
if profit:
sl_price = D(initial_price) - change_price
else:
sl_price = D(initial_price) + change_price
return round(sl_price, 5)
@ -270,6 +300,8 @@ def open_trade_to_unified_format(trade):
"id": trade["id"],
"symbol": trade["symbol"],
"amount": current_units,
# For crossfilter
"units": current_units,
"side": side,
"direction": side_to_direction(side),
"state": trade["state"],

@ -16,69 +16,104 @@ class CommonTestCase(TestCase):
"""
Test that the TP price to percent conversion works for long trades.
"""
tp_price = 1.1 # 10%
tp_price = D("1.1") # 10%
current_price = 1.0
current_units = 1
unrealised_pl = 0
expected_percent = 10
percent = tp_price_to_percent(
tp_price, "long", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 10)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "long", current_price, current_units, unrealised_pl
),
tp_price,
)
def test_tp_price_to_percent_initial_short(self):
"""
Test that the TP price to percent conversion works for short trades.
"""
tp_price = 0.9 # 10%
tp_price = D("0.9") # 10%
current_price = 1.0
current_units = 1
unrealised_pl = 0
expected_percent = 10
percent = tp_price_to_percent(
tp_price, "short", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 10)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "short", current_price, current_units, unrealised_pl
),
tp_price,
)
def test_tp_price_to_percent_change_long(self):
"""
Test that the TP price to percent conversion works for long trades
when the price has changed.
"""
tp_price = 1.2 # 20%
tp_price = D("1.2") # 20%
current_price = 1.1 # + 10%
current_units = 1
unrealised_pl = 0.1 # 10%
expected_percent = 20
percent = tp_price_to_percent(
tp_price, "long", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 20)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "long", current_price, current_units, unrealised_pl
),
tp_price,
)
def test_tp_price_to_percent_change_long_loss(self):
"""
Test that the TP price to percent conversion works for long trades
when the price has changed and the TP is at a loss.
"""
tp_price = 0.8 # -20%
tp_price = D("0.8") # -20%
current_price = 0.9 # - 10%
current_units = 1
unrealised_pl = -0.1 # -10%
expected_percent = -20
percent = tp_price_to_percent(
tp_price, "long", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, -20)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "long", current_price, current_units, unrealised_pl
),
tp_price,
)
def test_tp_price_to_percent_change_short_loss(self):
"""
Test that the TP price to percent conversion works for short trades
when the price has changed and the TP is at a loss.
"""
tp_price = 1.2 # -20%
tp_price = D("1.2") # -20%
current_price = 1.1 # - 10%
current_units = 1
unrealised_pl = -0.1 # -10%
expected_percent = -20
percent = tp_price_to_percent(
tp_price, "short", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, -20)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "short", current_price, current_units, unrealised_pl
),
tp_price,
)
# For multiple units
def test_tp_price_to_percent_initial_long_multi(self):
@ -86,139 +121,209 @@ class CommonTestCase(TestCase):
Test that the TP price to percent conversion works for long trades
with multiple units.
"""
tp_price = 1.1 # 10%
tp_price = D("1.1") # 10%
current_price = 1.0
current_units = 10
unrealised_pl = 0
expected_percent = 10
percent = tp_price_to_percent(
tp_price, "long", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 10)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "long", current_price, current_units, unrealised_pl
),
tp_price,
)
def test_tp_price_to_percent_initial_short_multi(self):
"""
Test that the TP price to percent conversion works for short trades
with multiple units.
"""
tp_price = 0.9 # 10%
tp_price = D("0.9") # 10%
current_price = 1.0
current_units = 10
unrealised_pl = 0
expected_percent = 10
percent = tp_price_to_percent(
tp_price, "short", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 10)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "short", current_price, current_units, unrealised_pl
),
tp_price,
)
def test_tp_price_to_percent_change_long_multi(self):
"""
Test that the TP price to percent conversion works for long trades
when the price has changed, with multiple units.
"""
tp_price = 1.2 # +20%
tp_price = D("1.2") # +20%
current_price = 1.1 # +10%
current_units = 10
unrealised_pl = 1 # 10%
expected_percent = 20
percent = tp_price_to_percent(
tp_price, "long", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 20)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "long", current_price, current_units, unrealised_pl
),
tp_price,
)
def test_tp_price_to_percent_change_short_multi(self):
"""
Test that the TP price to percent conversion works for short trades
when the price has changed, with multiple units.
"""
tp_price = 0.8 # -20%
tp_price = D("0.8") # -20%
current_price = 0.9 # -10%
current_units = 10
unrealised_pl = 1 # 10%
expected_percent = 20
percent = tp_price_to_percent(
tp_price, "short", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 20)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "short", current_price, current_units, unrealised_pl
),
tp_price,
)
def test_tp_price_to_percent_change_long_multi_loss(self):
"""
Test that the TP price to percent conversion works for long trades
when the price has changed, with multiple units, and the TP is at a loss.
"""
tp_price = 0.8 # -20%
tp_price = D("0.8") # -20%
current_price = 0.9 # -10%
current_units = 10
unrealised_pl = -1 # -10%
expected_percent = -20
percent = tp_price_to_percent(
tp_price, "long", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, -20)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "long", current_price, current_units, unrealised_pl
),
tp_price,
)
def test_tp_price_to_percent_change_short_multi_loss(self):
"""
Test that the TP price to percent conversion works for short trades
when the price has changed, with multiple units, and the TP is at a loss.
"""
tp_price = 1.2 # -20%
tp_price = D("1.2") # -20%
current_price = 1.1 # -10%
current_units = 10
unrealised_pl = -1 # 10%
expected_percent = -20
percent = tp_price_to_percent(
tp_price, "short", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, -20)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
expected_percent, "short", current_price, current_units, unrealised_pl
),
tp_price,
)
# SL
def test_sl_price_to_percent_initial_long(self):
"""
Test that the SL price to percent conversion works for long trades.
"""
sl_price = 0.9 # 10%
sl_price = D("0.9") # 10%
current_price = 1.0
current_units = 1
unrealised_pl = 0
expected_percent = 10
percent = sl_price_to_percent(
sl_price, "long", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 10)
self.assertEqual(percent, expected_percent)
self.assertEqual(
sl_percent_to_price(
expected_percent, "long", current_price, current_units, unrealised_pl
),
sl_price,
)
def test_sl_price_to_percent_initial_short(self):
"""
Test that the SL price to percent conversion works for short trades.
"""
sl_price = 1.1 # 10%
sl_price = D("1.1") # 10%
current_price = 1.0
current_units = 1
unrealised_pl = 0
expected_percent = 10
percent = sl_price_to_percent(
sl_price, "short", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 10)
self.assertEqual(percent, expected_percent)
self.assertEqual(
sl_percent_to_price(
expected_percent, "short", current_price, current_units, unrealised_pl
),
sl_price,
)
def test_sl_price_to_percent_change_long_profit(self):
"""
Test that the SL price to percent conversion works for long trades
when the price has changed and the SL is at a profit.
"""
sl_price = 1.2 # +20%
sl_price = D("1.2") # +20%
current_price = 1.1 # +10%
current_units = 1
unrealised_pl = 0.1 # +10%
expected_percent = -20
percent = sl_price_to_percent(
sl_price, "long", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, -20)
self.assertEqual(percent, expected_percent)
self.assertEqual(
sl_percent_to_price(
expected_percent, "long", current_price, current_units, unrealised_pl
),
sl_price,
)
def test_sl_price_to_percent_change_short_profit(self):
"""
Test that the SL price to percent conversion works for short trades
when the price has changed and the SL is at a profit.
"""
sl_price = 0.8 # +20%
sl_price = D("0.8") # +20%
current_price = 0.9 # +10%
current_units = 1
unrealised_pl = 0.1 # +10%
expected_percent = -20
percent = sl_price_to_percent(
sl_price, "short", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, -20)
self.assertEqual(percent, expected_percent)
self.assertEqual(
sl_percent_to_price(
expected_percent, "short", current_price, current_units, unrealised_pl
),
sl_price,
)
# For multiple units
def test_sl_price_to_percent_initial_long_multi(self):
@ -226,35 +331,49 @@ class CommonTestCase(TestCase):
Test that the SL price to percent conversion works for long trades
with multiple units.
"""
sl_price = 0.9 # -10%
sl_price = D("0.9") # -10%
current_price = 1.0
current_units = 10
unrealised_pl = 0
expected_percent = 10
percent = sl_price_to_percent(
sl_price, "long", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 10)
self.assertEqual(percent, expected_percent)
self.assertEqual(
sl_percent_to_price(
expected_percent, "long", current_price, current_units, unrealised_pl
),
sl_price,
)
def test_sl_price_to_percent_initial_short_multi(self):
"""
Test that the SL price to percent conversion works for short trades
with multiple units.
"""
sl_price = 1.2 # -20%
sl_price = D("1.2") # -20%
current_price = 1.0
current_units = 10
unrealised_pl = 0
expected_percent = 20
percent = sl_price_to_percent(
sl_price, "short", current_price, current_units, unrealised_pl
)
self.assertEqual(percent, 20)
self.assertEqual(percent, expected_percent)
self.assertEqual(
sl_percent_to_price(
expected_percent, "short", current_price, current_units, unrealised_pl
),
sl_price,
)
def test_sl_price_to_percent_change_long_multi_profit(self):
"""
Test that the SL price to percent conversion works for long trades
when the price has changed, with multiple units, and the SL is at a profit.
"""
sl_price = D(1.2) # +20%
sl_price = D("1.2") # +20%
current_price = 1.1 # +10%
current_units = 10
unrealised_pl = 1 # +10%
@ -264,7 +383,7 @@ class CommonTestCase(TestCase):
)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
sl_percent_to_price(
expected_percent, "long", current_price, current_units, unrealised_pl
),
sl_price,
@ -275,7 +394,7 @@ class CommonTestCase(TestCase):
Test that the SL price to percent conversion works for short trades
when the price has changed, with multiple units, and the SL is at a profit.
"""
sl_price = D(0.8) # -20%
sl_price = D("0.8") # -20%
current_price = 0.9 # +10%
current_units = 10
unrealised_pl = 1 # +10%
@ -285,7 +404,7 @@ class CommonTestCase(TestCase):
)
self.assertEqual(percent, expected_percent)
self.assertEqual(
tp_percent_to_price(
sl_percent_to_price(
expected_percent, "short", current_price, current_units, unrealised_pl
),
sl_price,

@ -1,10 +1,19 @@
from decimal import Decimal as D
from unittest.mock import Mock, patch
from django.test import TestCase
from core.exchanges.convert import convert_trades
from core.lib.schemas.oanda_s import parse_time
from core.models import Account, ActiveManagementPolicy, Hook, Signal, User
from core.models import (
Account,
ActiveManagementPolicy,
AssetGroup,
AssetRule,
Hook,
Signal,
User,
)
from core.tests.helpers import StrategyMixin, SymbolPriceMock
from core.trading.active_management import ActiveManagement
@ -56,17 +65,17 @@ class ActiveManagementTestCase(StrategyMixin, SymbolPriceMock, TestCase):
"dividendAdjustment": "0.0000",
"unrealizedPL": "-0.0008",
"marginUsed": "0.2966",
"takeProfitOrder": {"price": "1.06331"},
"stopLossOrder": {"price": "1.06331"},
"trailingStopLossOrder": {"price": "1.06331"},
"takeProfitOrder": {"price": "1.07934"},
"stopLossOrder": {"price": "1.05276"},
"trailingStopLossOrder": None,
"trailingStopValue": None,
"side": "long",
},
{
"id": "20083",
"id": "20084",
"symbol": "EUR_USD",
"price": "1.06331",
"openTime": "2023-02-13T11:38:06.302917985Z", # Monday at 11:38
"openTime": "2023-02-13T11:39:06.302917985Z", # Monday at 11:38
"initialUnits": "10",
"initialMarginRequired": "0.2966",
"state": "OPEN",
@ -76,9 +85,9 @@ class ActiveManagementTestCase(StrategyMixin, SymbolPriceMock, TestCase):
"dividendAdjustment": "0.0000",
"unrealizedPL": "-0.0008",
"marginUsed": "0.2966",
"takeProfitOrder": {"price": "1.06331"},
"stopLossOrder": {"price": "1.06331"},
"trailingStopLossOrder": {"price": "1.06331"},
"takeProfitOrder": {"price": "1.07934"},
"stopLossOrder": {"price": "1.05276"},
"trailingStopLossOrder": None,
"trailingStopValue": None,
"side": "long",
},
@ -90,6 +99,30 @@ class ActiveManagementTestCase(StrategyMixin, SymbolPriceMock, TestCase):
self.ams.get_balance = self.fake_get_balance
# self.ams.trades = self.trades
def add_trade(self, id, symbol, side, open_time):
trade = {
"id": id,
"symbol": symbol,
"price": "1.06331",
"openTime": open_time,
"initialUnits": "10",
"initialMarginRequired": "0.2966",
"state": "OPEN",
"currentUnits": "10",
"realizedPL": "0.0000",
"financing": "0.0000",
"dividendAdjustment": "0.0000",
"unrealizedPL": "-0.0008",
"marginUsed": "0.2966",
"takeProfitOrder": {"price": "1.07934"},
"stopLossOrder": {"price": "1.05276"},
"trailingStopLossOrder": None,
"trailingStopValue": None,
"side": side,
}
trade["openTime"] = parse_time(trade)
self.trades.append(trade)
def fake_get_trades(self):
self.ams.trades = self.trades
return self.trades
@ -211,14 +244,154 @@ class ActiveManagementTestCase(StrategyMixin, SymbolPriceMock, TestCase):
{"size": 50},
)
def test_protection_violated(self):
pass
@patch("core.trading.active_management.ActiveManagement.handle_violation")
def test_protection_violated_absent(self, handle_violation):
self.trades[0]["takeProfitOrder"] = None
self.trades[0]["stopLossOrder"] = None
self.ams.run_checks()
def test_asset_groups_violated(self):
pass
expected_args = {
"take_profit_price": D("1.07934"),
"stop_loss_price": D("1.05276"),
}
self.check_violation(
"protection",
handle_violation.call_args_list,
"close",
[self.trades[0]],
expected_args,
)
def test_max_open_trades_violated(self):
pass
@patch("core.trading.active_management.ActiveManagement.handle_violation")
def test_protection_violated_absent_not_required(self, handle_violation):
self.strategy.order_settings.take_profit_percent = 0
self.strategy.order_settings.stop_loss_percent = 0
self.strategy.order_settings.save()
self.trades[0]["takeProfitOrder"] = None
self.trades[0]["stopLossOrder"] = None
self.ams.run_checks()
print("CALLS", handle_violation.call_args_list)
self.assertEqual(handle_violation.call_count, 0)
@patch("core.trading.active_management.ActiveManagement.handle_violation")
def test_asset_groups_violated(self, handle_violation):
asset_group = AssetGroup.objects.create(
user=self.user,
name="Test Asset Group",
)
AssetRule.objects.create(
user=self.user,
asset="USD",
group=asset_group,
status=2, # Bullish
)
self.strategy.asset_group = asset_group
self.strategy.save()
self.ams.run_checks()
self.check_violation(
"asset_group",
handle_violation.call_args_list,
"close",
self.trades, # All trades should be closed, since all are USD quote
)
@patch("core.trading.active_management.ActiveManagement.handle_violation")
def test_asset_groups_violated_invert(self, handle_violation):
self.trades[0]["side"] = "short"
self.trades[1]["side"] = "short"
asset_group = AssetGroup.objects.create(
user=self.user,
name="Test Asset Group",
)
AssetRule.objects.create(
user=self.user,
asset="USD",
group=asset_group,
status=3, # Bullish
)
self.strategy.asset_group = asset_group
self.strategy.save()
self.ams.run_checks()
self.check_violation(
"asset_group",
handle_violation.call_args_list,
"close",
self.trades, # All trades should be closed, since all are USD quote
)
@patch("core.trading.active_management.ActiveManagement.handle_violation")
def test_crossfilter_violated_side(self, handle_violation):
self.trades[1]["side"] = "short"
self.ams.run_checks()
self.check_violation(
"crossfilter",
handle_violation.call_args_list,
"close",
[self.trades[1]], # Only close newer trade
)
@patch("core.trading.active_management.ActiveManagement.handle_violation")
def test_crossfilter_violated_side_multiple(self, handle_violation):
self.add_trade("20085", "EUR_USD", "short", "2023-02-13T12:39:06.302917985Z")
self.add_trade("20086", "EUR_USD", "short", "2023-02-14T12:39:06.302917985Z")
self.add_trade("20087", "EUR_USD", "short", "2023-02-10T12:39:06.302917985Z")
self.ams.run_checks()
self.check_violation(
"crossfilter",
handle_violation.call_args_list,
"close",
self.trades[0:4], # Only close newer trades
)
@patch("core.trading.active_management.ActiveManagement.handle_violation")
def test_crossfilter_violated_symbol(self, handle_violation):
# Change symbol to conflict with long on EUR_USD
self.trades[1]["symbol"] = "USD_EUR"
self.ams.run_checks()
self.check_violation(
"crossfilter",
handle_violation.call_args_list,
"close",
[self.trades[1]], # Only close newer trade
)
@patch("core.trading.active_management.ActiveManagement.handle_violation")
def test_crossfilter_violated_symbol_multiple(self, handle_violation):
self.add_trade("20085", "USD_EUR", "long", "2023-02-13T12:39:06.302917985Z")
self.add_trade("20086", "USD_EUR", "long", "2023-02-14T12:39:06.302917985Z")
self.add_trade("20087", "USD_EUR", "long", "2023-02-10T12:39:06.302917985Z")
self.ams.run_checks()
self.check_violation(
"crossfilter",
handle_violation.call_args_list,
"close",
self.trades[0:4], # Only close newer trades
)
@patch("core.trading.active_management.ActiveManagement.handle_violation")
def test_max_open_trades_violated(self, handle_violation):
for x in range(9):
self.add_trade(
str(x),
"EUR_USD",
"long",
f"2023-02-13T12:39:1{x}.302917985Z",
)
self.ams.run_checks()
self.check_violation(
"max_open_trades",
handle_violation.call_args_list,
"close",
self.trades[10:], # Only close newer trades
)
def test_max_open_trades_per_symbol_violated(self):
pass
@ -228,6 +401,3 @@ class ActiveManagementTestCase(StrategyMixin, SymbolPriceMock, TestCase):
def test_max_risk_violated(self):
pass
def test_crossfilter_violated(self):
pass

@ -1,8 +1,15 @@
from datetime import datetime
from decimal import Decimal as D
from core.exchanges.convert import convert_trades, side_to_direction
from core.trading import checks
import core.trading.market # to avoid messy circular import
from core.exchanges.convert import (
convert_trades,
side_to_direction,
sl_percent_to_price,
tp_percent_to_price,
)
from core.trading import assetfilter, checks, risk
from core.trading.crossfilter import crossfilter
from core.trading.market import get_base_quote, get_trade_size_in_base
@ -77,7 +84,6 @@ class ActiveManagement(object):
)
def check_protection(self, trade):
print("CHECK PROTECTION", trade)
deviation = D(0.05) # 5%
matches = {
@ -89,22 +95,187 @@ class ActiveManagement(object):
violations = {}
for key, expected in matches.items():
if expected == 0:
continue
if key in trade:
actual = D(trade[key])
if expected is None:
continue
expected = D(expected)
min_val = expected - (deviation * expected)
max_val = expected + (deviation * expected)
within_deviation = min_val <= actual <= max_val
if not within_deviation:
violations[key] = expected
else:
within_deviation = False
if not within_deviation:
# violations[key] = expected
if key == "take_profit_percent":
tp_price = tp_percent_to_price(
expected,
trade["side"],
trade["current_price"],
trade["amount"],
trade["pl"],
)
violations["take_profit_price"] = tp_price
elif key == "stop_loss_percent":
sl_price = sl_percent_to_price(
expected,
trade["side"],
trade["current_price"],
trade["amount"],
trade["pl"],
)
violations["stop_loss_price"] = sl_price
elif key == "trailing_stop_loss_percent":
tsl_price = sl_percent_to_price(
expected,
trade["side"],
trade["current_price"],
trade["amount"],
trade["pl"],
)
violations["trailing_stop_loss_price"] = tsl_price
if violations:
self.handle_violation(
"protection", self.policy.when_protection_violated, trade, violations
)
def check_asset_groups(self, trade):
if self.strategy.asset_group is not None:
base, quote = get_base_quote(
self.strategy.account.exchange, trade["symbol"]
)
allowed = assetfilter.get_allowed(
self.strategy.asset_group, base, quote, trade["side"]
)
if not allowed:
self.handle_violation(
"asset_group", self.policy.when_asset_groups_violated, trade
)
def get_sorted_trades_copy(self, trades, reverse=True):
trades_copy = trades.copy()
# sort by open time, newest first
trades_copy.sort(
key=lambda x: datetime.strptime(x["open_time"], "%Y-%m-%dT%H:%M:%S.%fZ"),
reverse=reverse,
)
return trades_copy
def check_crossfilter(self, trades):
close_trades = []
trades_copy = self.get_sorted_trades_copy(trades)
iterations = 0
finished = []
# Recursively run crossfilter on the newest-first list until we have no more conflicts
while not len(finished) == len(trades):
iterations += 1
if iterations > 10000:
raise Exception("Too many iterations")
# For each trade
for trade in trades_copy:
# Abort if we've already checked this trade
if trade in close_trades:
continue
# Calculate trades excluding this one
# Also remove if we have already checked this
others = [
t
for t in trades_copy
if t["id"] != trade["id"] and t not in close_trades
]
symbol = trade["symbol"]
direction = trade["direction"]
func = "entry"
# Check if this trade is filtered, pretending we are opening it
# And passing the remaining trades as the other trades in the account
filtered = crossfilter(
self.strategy.account, symbol, direction, func, all_positions=others
)
if not filtered:
# This trade is fine, add it to finished
finished.append(trade)
continue
if filtered["action"] == "rejected":
# It's rejected, add it to the close trades list
# And don't check it again
finished.append(trade)
close_trades.append(trade)
if not close_trades:
return
# For each conflicting symbol, identify the oldest trades
# removed_trades = []
# for symbol in conflict:
# newest_trade = max(conflict, key=lambda x: datetime.strptime(x["open_time"], "%Y-%m-%dT%H:%M:%S.%fZ"))
# removed_trades.append(newest_trade)
# print("KEEP TRADES", keep_trade_ids)
# close_trades = []
# for x in keep_trade_ids:
# for position in conflict[x]:
# if position["id"] not in keep_trade_ids[x]:
# close_trades.append(position)
if close_trades:
for trade in close_trades:
self.handle_violation(
"crossfilter", self.policy.when_crossfilter_violated, trade
)
def check_max_open_trades(self, trades):
if self.strategy.risk_model is not None:
max_open_pass = risk.check_max_open_trades(self.strategy.risk_model, trades)
if not max_open_pass:
trades_copy = self.get_sorted_trades_copy(trades, reverse=False)
print("TRADES COPY", [x["id"] for x in trades_copy])
print("MAX", self.strategy.risk_model.max_open_trades)
trades_over_limit = trades_copy[
self.strategy.risk_model.max_open_trades :
]
for trade in trades_over_limit:
self.handle_violation(
"max_open_trades",
self.policy.when_max_open_trades_violated,
trade,
)
print("TRADES OVER LIMNIT", trades_over_limit)
def check_max_open_trades_per_symbol(self, trades):
if self.strategy.risk_model is not None:
max_open_pass = risk.check_max_open_trades_per_symbol(
self.strategy.risk_model, trades
)
max_open_pass = list(max_open_pass)
print("MAX OPEN PASS", max_open_pass)
if max_open_pass:
trades_copy = self.get_sorted_trades_copy(trades, reverse=False)
trades_over_limit = []
for symbol in max_open_pass:
print("SYMBOL", symbol)
print("TRADES", trades)
symbol_trades = [x for x in trades_copy if x["symbol"] == symbol]
exceeding_limit = symbol_trades[
self.strategy.risk_model.max_open_trades_per_symbol :
]
for x in exceeding_limit:
trades_over_limit.append(x)
for trade in trades_over_limit:
self.handle_violation(
"max_open_trades_per_symbol",
self.policy.when_max_open_trades_violated,
trade,
)
print("TRADES OVER LIMNIT", trades_over_limit)
def check_max_loss(self):
pass
def check_max_risk(self, trades):
pass
def run_checks(self):
converted_trades = convert_trades(self.get_trades())
for trade in converted_trades:
@ -112,6 +283,13 @@ class ActiveManagement(object):
self.check_trends(trade)
self.check_position_size(trade)
self.check_protection(trade)
self.check_asset_groups(trade)
self.check_crossfilter(converted_trades)
self.check_max_open_trades(converted_trades)
self.check_max_open_trades_per_symbol(converted_trades)
self.check_max_loss()
self.check_max_risk(converted_trades)
# Trading Time
# Max loss

@ -1,14 +1,14 @@
from core.models import AssetRule
def get_allowed(group, base, quote, direction):
def get_allowed(group, base, quote, side):
"""
Determine whether the trade is allowed according to the group.
See tests for examples. The logic requires trading knowledge.
:param group: The group to check
:param base: The base currency
:param quote: The quote currency
:param direction: The direction of the trade
:param side: The direction of the trade
"""
# If our base has allowed == False, we can only short it, or long the quote
@ -22,10 +22,10 @@ def get_allowed(group, base, quote, direction):
# Always deny
return False
elif mapped_status == 3:
if direction == "long":
if side == "long":
return False
elif mapped_status == 2:
if direction == "short":
if side == "short":
return False
# If our quote has allowed == False, we can only long it, or short the base
quote_rule = AssetRule.objects.filter(group=group, asset=quote).first()
@ -38,10 +38,10 @@ def get_allowed(group, base, quote, direction):
# Always deny
return False
elif mapped_status == 3:
if direction == "short":
if side == "short":
return False
elif mapped_status == 2:
if direction == "long":
if side == "long":
return False
if not base_rule and not quote_rule:

@ -95,7 +95,7 @@ def check_conflicting_position(
}
def crossfilter(account, new_symbol, new_direction, func):
def crossfilter(account, new_symbol, new_direction, func, all_positions=None):
"""
Determine if we are betting against ourselves.
Checks open positions for the account, rejecting the trade if there is one
@ -109,9 +109,11 @@ def crossfilter(account, new_symbol, new_direction, func):
try:
# Only get the data we need
if func == "entry":
all_positions = account.client.get_all_positions()
if all_positions is None:
all_positions = account.client.get_all_positions()
else:
all_positions = [account.client.get_position_info(new_symbol)]
if all_positions is None:
all_positions = [account.client.get_position_info(new_symbol)]
except GenericAPIError as e:
if "No position exists for the specified instrument" in str(e):
log.debug("No position exists for this symbol")

@ -49,7 +49,7 @@ def check_max_open_trades(risk_model, account_trades):
return len(account_trades) < risk_model.max_open_trades
def check_max_open_trades_per_symbol(risk_model, account_trades):
def check_max_open_trades_per_symbol(risk_model, account_trades, yield_symbol=False):
"""
Check we cannot open more trades per symbol than permissible.
"""
@ -62,8 +62,12 @@ def check_max_open_trades_per_symbol(risk_model, account_trades):
for symbol, count in symbol_map.items():
if count >= risk_model.max_open_trades_per_symbol:
return False
return True
if yield_symbol:
yield symbol
else:
return False
if not yield_symbol:
return True
def check_risk(risk_model, account, proposed_trade):

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