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Merge pull request #4054 from freqtrade/models_open_price 

Models open price
This commit is contained in:
Matthias 2020-12-11 06:31:02 +01:00 committed by GitHub
parent 76594d5dde 95fd3824da
commit c784e5780e
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6 changed files with 38 additions and 38 deletions
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2
freqtrade/freqtradebot.py
View File

@ -1395,7 +1395,7 @@ class FreqtradeBot:
abs_tol=constants.MATH_CLOSE_PREC):
order['amount'] = new_amount
order.pop('filled', None)
trade.recalc_open_trade_price()
trade.recalc_open_trade_value()
except DependencyException as exception:
logger.warning("Could not update trade amount: %s", exception)

10
freqtrade/persistence/migrations.py
View File

@ -53,11 +53,11 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col
else:
timeframe = get_column_def(cols, 'timeframe', 'null')
open_trade_price = get_column_def(cols, 'open_trade_price',
open_trade_value = get_column_def(cols, 'open_trade_value',
f'amount * open_rate * (1 + {fee_open})')
close_profit_abs = get_column_def(
cols, 'close_profit_abs',
f"(amount * close_rate * (1 - {fee_close})) - {open_trade_price}")
f"(amount * close_rate * (1 - {fee_close})) - {open_trade_value}")
sell_order_status = get_column_def(cols, 'sell_order_status', 'null')
amount_requested = get_column_def(cols, 'amount_requested', 'amount')
@ -79,7 +79,7 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col
stop_loss, stop_loss_pct, initial_stop_loss, initial_stop_loss_pct,
stoploss_order_id, stoploss_last_update,
max_rate, min_rate, sell_reason, sell_order_status, strategy,
timeframe, open_trade_price, close_profit_abs
timeframe, open_trade_value, close_profit_abs
)
select id, lower(exchange),
case
@ -102,7 +102,7 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col
{max_rate} max_rate, {min_rate} min_rate, {sell_reason} sell_reason,
{sell_order_status} sell_order_status,
{strategy} strategy, {timeframe} timeframe,
{open_trade_price} open_trade_price, {close_profit_abs} close_profit_abs
{open_trade_value} open_trade_value, {close_profit_abs} close_profit_abs
from {table_back_name}
""")
@ -134,7 +134,7 @@ def check_migrate(engine, decl_base, previous_tables) -> None:
table_back_name = get_backup_name(tabs, 'trades_bak')
# Check for latest column
if not has_column(cols, 'amount_requested'):
if not has_column(cols, 'open_trade_value'):
logger.info(f'Running database migration for trades - backup: {table_back_name}')
migrate_trades_table(decl_base, inspector, engine, table_back_name, cols)
# Reread columns - the above recreated the table!

28
freqtrade/persistence/models.py
View File

@ -217,8 +217,8 @@ class Trade(_DECL_BASE):
fee_close_currency = Column(String, nullable=True)
open_rate = Column(Float)
open_rate_requested = Column(Float)
# open_trade_price - calculated via _calc_open_trade_price
open_trade_price = Column(Float)
# open_trade_value - calculated via _calc_open_trade_value
open_trade_value = Column(Float)
close_rate = Column(Float)
close_rate_requested = Column(Float)
close_profit = Column(Float)
@ -252,7 +252,7 @@ class Trade(_DECL_BASE):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.recalc_open_trade_price()
self.recalc_open_trade_value()
def __repr__(self):
open_since = self.open_date.strftime(DATETIME_PRINT_FORMAT) if self.is_open else 'closed'
@ -284,7 +284,7 @@ class Trade(_DECL_BASE):
'open_timestamp': int(self.open_date.replace(tzinfo=timezone.utc).timestamp() * 1000),
'open_rate': self.open_rate,
'open_rate_requested': self.open_rate_requested,
'open_trade_price': round(self.open_trade_price, 8),
'open_trade_value': round(self.open_trade_value, 8),
'close_date_hum': (arrow.get(self.close_date).humanize()
if self.close_date else None),
@ -389,7 +389,7 @@ class Trade(_DECL_BASE):
# Update open rate and actual amount
self.open_rate = Decimal(safe_value_fallback(order, 'average', 'price'))
self.amount = Decimal(safe_value_fallback(order, 'filled', 'amount'))
self.recalc_open_trade_price()
self.recalc_open_trade_value()
if self.is_open:
logger.info(f'{order_type.upper()}_BUY has been fulfilled for {self}.')
self.open_order_id = None
@ -464,7 +464,7 @@ class Trade(_DECL_BASE):
Trade.session.delete(self)
Trade.session.flush()
def _calc_open_trade_price(self) -> float:
def _calc_open_trade_value(self) -> float:
"""
Calculate the open_rate including open_fee.
:return: Price in of the open trade incl. Fees
@ -473,14 +473,14 @@ class Trade(_DECL_BASE):
fees = buy_trade * Decimal(self.fee_open)
return float(buy_trade + fees)
def recalc_open_trade_price(self) -> None:
def recalc_open_trade_value(self) -> None:
"""
Recalculate open_trade_price.
Recalculate open_trade_value.
Must be called whenever open_rate or fee_open is changed.
"""
self.open_trade_price = self._calc_open_trade_price()
self.open_trade_value = self._calc_open_trade_value()
def calc_close_trade_price(self, rate: Optional[float] = None,
def calc_close_trade_value(self, rate: Optional[float] = None,
fee: Optional[float] = None) -> float:
"""
Calculate the close_rate including fee
@ -507,11 +507,11 @@ class Trade(_DECL_BASE):
If rate is not set self.close_rate will be used
:return: profit in stake currency as float
"""
close_trade_price = self.calc_close_trade_price(
close_trade_value = self.calc_close_trade_value(
rate=(rate or self.close_rate),
fee=(fee or self.fee_close)
)
profit = close_trade_price - self.open_trade_price
profit = close_trade_value - self.open_trade_value
return float(f"{profit:.8f}")
def calc_profit_ratio(self, rate: Optional[float] = None,
@ -523,11 +523,11 @@ class Trade(_DECL_BASE):
:param fee: fee to use on the close rate (optional).
:return: profit ratio as float
"""
close_trade_price = self.calc_close_trade_price(
close_trade_value = self.calc_close_trade_value(
rate=(rate or self.close_rate),
fee=(fee or self.fee_close)
)
profit_ratio = (close_trade_price / self.open_trade_price) - 1
profit_ratio = (close_trade_value / self.open_trade_value) - 1
return float(f"{profit_ratio:.8f}")
def select_order(self, order_side: str, is_open: Optional[bool]) -> Optional[Order]:

4
tests/rpc/test_rpc.py
View File

@ -62,7 +62,7 @@ def test_rpc_trade_status(default_conf, ticker, fee, mocker) -> None:
'fee_close_cost': ANY,
'fee_close_currency': ANY,
'open_rate_requested': ANY,
'open_trade_price': 0.0010025,
'open_trade_value': 0.0010025,
'close_rate_requested': ANY,
'sell_reason': ANY,
'sell_order_status': ANY,
@ -127,7 +127,7 @@ def test_rpc_trade_status(default_conf, ticker, fee, mocker) -> None:
'fee_close_cost': ANY,
'fee_close_currency': ANY,
'open_rate_requested': ANY,
'open_trade_price': ANY,
'open_trade_value': ANY,
'close_rate_requested': ANY,
'sell_reason': ANY,
'sell_order_status': ANY,

4
tests/rpc/test_rpc_apiserver.py
View File

@ -707,7 +707,7 @@ def test_api_status(botclient, mocker, ticker, fee, markets):
'min_rate': 1.098e-05,
'open_order_id': None,
'open_rate_requested': 1.098e-05,
'open_trade_price': 0.0010025,
'open_trade_value': 0.0010025,
'sell_reason': None,
'sell_order_status': None,
'strategy': 'DefaultStrategy',
@ -834,7 +834,7 @@ def test_api_forcebuy(botclient, mocker, fee):
'min_rate': None,
'open_order_id': '123456',
'open_rate_requested': None,
'open_trade_price': 0.24605460,
'open_trade_value': 0.24605460,
'sell_reason': None,
'sell_order_status': None,
'strategy': None,

28
tests/test_persistence.py
View File

@ -177,10 +177,10 @@ def test_calc_open_close_trade_price(limit_buy_order, limit_sell_order, fee):
trade.open_order_id = 'something'
trade.update(limit_buy_order)
assert trade._calc_open_trade_price() == 0.0010024999999225068
assert trade._calc_open_trade_value() == 0.0010024999999225068
trade.update(limit_sell_order)
assert trade.calc_close_trade_price() == 0.0010646656050132426
assert trade.calc_close_trade_value() == 0.0010646656050132426
# Profit in BTC
assert trade.calc_profit() == 0.00006217
@ -233,7 +233,7 @@ def test_calc_close_trade_price_exception(limit_buy_order, fee):
trade.open_order_id = 'something'
trade.update(limit_buy_order)
assert trade.calc_close_trade_price() == 0.0
assert trade.calc_close_trade_value() == 0.0
@pytest.mark.usefixtures("init_persistence")
@ -277,7 +277,7 @@ def test_update_invalid_order(limit_buy_order):
@pytest.mark.usefixtures("init_persistence")
def test_calc_open_trade_price(limit_buy_order, fee):
def test_calc_open_trade_value(limit_buy_order, fee):
trade = Trade(
pair='ETH/BTC',
stake_amount=0.001,
@ -291,10 +291,10 @@ def test_calc_open_trade_price(limit_buy_order, fee):
trade.update(limit_buy_order) # Buy @ 0.00001099
# Get the open rate price with the standard fee rate
assert trade._calc_open_trade_price() == 0.0010024999999225068
assert trade._calc_open_trade_value() == 0.0010024999999225068
trade.fee_open = 0.003
# Get the open rate price with a custom fee rate
assert trade._calc_open_trade_price() == 0.001002999999922468
assert trade._calc_open_trade_value() == 0.001002999999922468
@pytest.mark.usefixtures("init_persistence")
@ -312,14 +312,14 @@ def test_calc_close_trade_price(limit_buy_order, limit_sell_order, fee):
trade.update(limit_buy_order) # Buy @ 0.00001099
# Get the close rate price with a custom close rate and a regular fee rate
assert trade.calc_close_trade_price(rate=0.00001234) == 0.0011200318470471794
assert trade.calc_close_trade_value(rate=0.00001234) == 0.0011200318470471794
# Get the close rate price with a custom close rate and a custom fee rate
assert trade.calc_close_trade_price(rate=0.00001234, fee=0.003) == 0.0011194704275749754
assert trade.calc_close_trade_value(rate=0.00001234, fee=0.003) == 0.0011194704275749754
# Test when we apply a Sell order, and ask price with a custom fee rate
trade.update(limit_sell_order)
assert trade.calc_close_trade_price(fee=0.005) == 0.0010619972701635854
assert trade.calc_close_trade_value(fee=0.005) == 0.0010619972701635854
@pytest.mark.usefixtures("init_persistence")
@ -499,7 +499,7 @@ def test_migrate_old(mocker, default_conf, fee):
assert trade.max_rate == 0.0
assert trade.stop_loss == 0.0
assert trade.initial_stop_loss == 0.0
assert trade.open_trade_price == trade._calc_open_trade_price()
assert trade.open_trade_value == trade._calc_open_trade_value()
assert trade.close_profit_abs is None
assert trade.fee_open_cost is None
assert trade.fee_open_currency is None
@ -607,7 +607,7 @@ def test_migrate_new(mocker, default_conf, fee, caplog):
assert log_has("trying trades_bak1", caplog)
assert log_has("trying trades_bak2", caplog)
assert log_has("Running database migration for trades - backup: trades_bak2", caplog)
assert trade.open_trade_price == trade._calc_open_trade_price()
assert trade.open_trade_value == trade._calc_open_trade_value()
assert trade.close_profit_abs is None
assert log_has("Moving open orders to Orders table.", caplog)
@ -677,7 +677,7 @@ def test_migrate_mid_state(mocker, default_conf, fee, caplog):
assert trade.max_rate == 0.0
assert trade.stop_loss == 0.0
assert trade.initial_stop_loss == 0.0
assert trade.open_trade_price == trade._calc_open_trade_price()
assert trade.open_trade_value == trade._calc_open_trade_value()
assert log_has("trying trades_bak0", caplog)
assert log_has("Running database migration for trades - backup: trades_bak0", caplog)
@ -803,7 +803,7 @@ def test_to_json(default_conf, fee):
'close_timestamp': None,
'open_rate': 0.123,
'open_rate_requested': None,
'open_trade_price': 15.1668225,
'open_trade_value': 15.1668225,
'fee_close': 0.0025,
'fee_close_cost': None,
'fee_close_currency': None,
@ -896,7 +896,7 @@ def test_to_json(default_conf, fee):
'min_rate': None,
'open_order_id': None,
'open_rate_requested': None,
'open_trade_price': 12.33075,
'open_trade_value': 12.33075,
'sell_reason': None,
'sell_order_status': None,
'strategy': None,