def test_strategy_override_use_sell_signal(caplog, default_conf):
caplog.set_level(logging.INFO)
default_conf.update({
'strategy': 'DefaultStrategy',
})
resolver = StrategyResolver(default_conf)
assert resolver.strategy.use_sell_signal
assert isinstance(resolver.strategy.use_sell_signal, bool)
# must be inserted to configuration
assert 'use_sell_signal' in default_conf['ask_strategy']
assert default_conf['ask_strategy']['use_sell_signal']
default_conf.update({
'strategy': 'DefaultStrategy',
'ask_strategy': {
'use_sell_signal': False,
},
})
resolver = StrategyResolver(default_conf)
assert not resolver.strategy.use_sell_signal
assert isinstance(resolver.strategy.use_sell_signal, bool)
assert log_has(
"Override strategy 'use_sell_signal' with value in config file: False.",
caplog)
def test_strategy_override_use_sell_profit_only(caplog, default_conf):
caplog.set_level(logging.INFO)
default_conf.update({
'strategy': 'DefaultStrategy',
})
resolver = StrategyResolver(default_conf)
assert not resolver.strategy.sell_profit_only
assert isinstance(resolver.strategy.sell_profit_only, bool)
# must be inserted to configuration
assert 'sell_profit_only' in default_conf['experimental']
assert not default_conf['experimental']['sell_profit_only']
default_conf.update({
'strategy': 'DefaultStrategy',
'experimental': {
'sell_profit_only': True,
},
})
resolver = StrategyResolver(default_conf)
assert resolver.strategy.sell_profit_only
assert isinstance(resolver.strategy.sell_profit_only, bool)
assert log_has(
"Override strategy 'sell_profit_only' with value in config file: True.",
caplog)
def __init__(self, config: Dict[str, Any]) -> None:
self.config = config
# Reset keys for backtesting
self.config['exchange']['key'] = ''
self.config['exchange']['secret'] = ''
self.config['exchange']['password'] = ''
self.config['exchange']['uid'] = ''
self.config['dry_run'] = True
self.strategylist: List[IStrategy] = []
exchange_name = self.config.get('exchange', {}).get('name',
'bittrex').title()
self.exchange = ExchangeResolver(exchange_name, self.config).exchange
self.fee = self.exchange.get_fee()
if self.config.get('runmode') != RunMode.HYPEROPT:
self.dataprovider = DataProvider(self.config, self.exchange)
IStrategy.dp = self.dataprovider
if self.config.get('strategy_list', None):
# Force one interval
self.ticker_interval = str(self.config.get('ticker_interval'))
self.ticker_interval_mins = timeframe_to_minutes(
self.ticker_interval)
for strat in list(self.config['strategy_list']):
stratconf = deepcopy(self.config)
stratconf['strategy'] = strat
self.strategylist.append(StrategyResolver(stratconf).strategy)
else:
# only one strategy
self.strategylist.append(StrategyResolver(self.config).strategy)
# Load one strategy
self._set_strategy(self.strategylist[0])
def __init__(self, config: Dict[str, Any]) -> None:
self.config = config
# Reset keys for backtesting
self.config['exchange']['key'] = ''
self.config['exchange']['secret'] = ''
self.config['exchange']['password'] = ''
self.config['exchange']['uid'] = ''
self.config['dry_run'] = True
self.strategylist: List[IStrategy] = []
self.exchange = ExchangeResolver(self.config['exchange']['name'],
self.config).exchange
self.fee = self.exchange.get_fee()
if self.config.get('runmode') != RunMode.HYPEROPT:
self.dataprovider = DataProvider(self.config, self.exchange)
IStrategy.dp = self.dataprovider
if self.config.get('strategy_list', None):
for strat in list(self.config['strategy_list']):
stratconf = deepcopy(self.config)
stratconf['strategy'] = strat
self.strategylist.append(StrategyResolver(stratconf).strategy)
else:
# No strategy list specified, only one strategy
self.strategylist.append(StrategyResolver(self.config).strategy)
# Load one (first) strategy
self._set_strategy(self.strategylist[0])
def test_strategy_override_use_sell_profit_only(caplog):
caplog.set_level(logging.INFO)
config = {
'strategy': 'DefaultStrategy',
}
resolver = StrategyResolver(config)
assert not resolver.strategy.sell_profit_only
assert isinstance(resolver.strategy.sell_profit_only, bool)
# must be inserted to configuration
assert 'sell_profit_only' in config['experimental']
assert not config['experimental']['sell_profit_only']
config = {
'strategy': 'DefaultStrategy',
'experimental': {
'sell_profit_only': True,
},
}
resolver = StrategyResolver(config)
assert resolver.strategy.sell_profit_only
assert isinstance(resolver.strategy.sell_profit_only, bool)
assert ('freqtrade.resolvers.strategy_resolver',
logging.INFO,
"Override strategy 'sell_profit_only' with value in config file: True."
) in caplog.record_tuples
def test_strategy_override_order_types(caplog):
caplog.set_level(logging.INFO)
order_types = {
'buy': 'market',
'sell': 'limit',
'stoploss': 'limit',
'stoploss_on_exchange': True,
}
config = {'strategy': 'DefaultStrategy', 'order_types': order_types}
resolver = StrategyResolver(config)
assert resolver.strategy.order_types
for method in ['buy', 'sell', 'stoploss', 'stoploss_on_exchange']:
assert resolver.strategy.order_types[method] == order_types[method]
assert ('freqtrade.resolvers.strategy_resolver', logging.INFO,
"Override strategy 'order_types' with value in config file:"
" {'buy': 'market', 'sell': 'limit', 'stoploss': 'limit',"
" 'stoploss_on_exchange': True}.") in caplog.record_tuples
config = {'strategy': 'DefaultStrategy', 'order_types': {'buy': 'market'}}
# Raise error for invalid configuration
with pytest.raises(ImportError,
match=r"Impossible to load Strategy 'DefaultStrategy'. "
r"Order-types mapping is incomplete."):
StrategyResolver(config)
def test_strategy_override_order_types(caplog, default_conf):
caplog.set_level(logging.INFO)
order_types = {
'buy': 'market',
'sell': 'limit',
'stoploss': 'limit',
'stoploss_on_exchange': True,
}
default_conf.update({
'strategy': 'DefaultStrategy',
'order_types': order_types
})
resolver = StrategyResolver(default_conf)
assert resolver.strategy.order_types
for method in ['buy', 'sell', 'stoploss', 'stoploss_on_exchange']:
assert resolver.strategy.order_types[method] == order_types[method]
assert log_has(
"Override strategy 'order_types' with value in config file:"
" {'buy': 'market', 'sell': 'limit', 'stoploss': 'limit',"
" 'stoploss_on_exchange': True}.", caplog)
default_conf.update({
'strategy': 'DefaultStrategy',
'order_types': {
'buy': 'market'
}
})
# Raise error for invalid configuration
with pytest.raises(ImportError,
match=r"Impossible to load Strategy 'DefaultStrategy'. "
r"Order-types mapping is incomplete."):
StrategyResolver(default_conf)
def __init__(self, config: Dict[str, Any]) -> None:
self.config = config
# Reset keys for backtesting
self.config['exchange']['key'] = ''
self.config['exchange']['secret'] = ''
self.config['exchange']['password'] = ''
self.config['exchange']['uid'] = ''
self.config['dry_run'] = True
self.strategylist: List[IStrategy] = []
if self.config.get('strategy_list', None):
# Force one interval
self.ticker_interval = str(self.config.get('ticker_interval'))
self.ticker_interval_mins = constants.TICKER_INTERVAL_MINUTES[
self.ticker_interval]
for strat in list(self.config['strategy_list']):
stratconf = deepcopy(self.config)
stratconf['strategy'] = strat
self.strategylist.append(StrategyResolver(stratconf).strategy)
else:
# only one strategy
self.strategylist.append(StrategyResolver(self.config).strategy)
# Load one strategy
self._set_strategy(self.strategylist[0])
self.exchange = Exchange(self.config)
self.fee = self.exchange.get_fee()
def test_strategy_override_order_tif(caplog, default_conf):
caplog.set_level(logging.INFO)
order_time_in_force = {
'buy': 'fok',
'sell': 'gtc',
}
default_conf.update({
'strategy': 'DefaultStrategy',
'order_time_in_force': order_time_in_force
})
resolver = StrategyResolver(default_conf)
assert resolver.strategy.order_time_in_force
for method in ['buy', 'sell']:
assert resolver.strategy.order_time_in_force[
method] == order_time_in_force[method]
assert log_has(
"Override strategy 'order_time_in_force' with value in config file:"
" {'buy': 'fok', 'sell': 'gtc'}.", caplog)
default_conf.update({
'strategy': 'DefaultStrategy',
'order_time_in_force': {
'buy': 'fok'
}
})
# Raise error for invalid configuration
with pytest.raises(ImportError,
match=r"Impossible to load Strategy 'DefaultStrategy'. "
r"Order-time-in-force mapping is incomplete."):
StrategyResolver(default_conf)
def test_strategy_override_order_tif(caplog):
caplog.set_level(logging.INFO)
order_time_in_force = {
'buy': 'fok',
'sell': 'gtc',
}
config = {
'strategy': 'DefaultStrategy',
'order_time_in_force': order_time_in_force
}
resolver = StrategyResolver(config)
assert resolver.strategy.order_time_in_force
for method in ['buy', 'sell']:
assert resolver.strategy.order_time_in_force[method] == order_time_in_force[method]
assert ('freqtrade.resolvers.strategy_resolver',
logging.INFO,
"Override strategy 'order_time_in_force' with value in config file:"
" {'buy': 'fok', 'sell': 'gtc'}."
) in caplog.record_tuples
config = {
'strategy': 'DefaultStrategy',
'order_time_in_force': {'buy': 'fok'}
}
# Raise error for invalid configuration
with pytest.raises(ImportError,
match=r"Impossible to load Strategy 'DefaultStrategy'. "
r"Order-time-in-force mapping is incomplete."):
StrategyResolver(config)
def get_trading_env(args: Namespace):
"""
Initalize freqtrade Exchange and Strategy, split pairs recieved in parameter
:return: Strategy
"""
global _CONF
# Load the configuration
_CONF.update(setup_configuration(args))
print(_CONF)
pairs = args.pairs.split(',')
if pairs is None:
logger.critical('Parameter --pairs mandatory;. E.g --pairs ETH/BTC,XRP/BTC')
exit()
# Load the strategy
try:
strategy = StrategyResolver(_CONF).strategy
exchange = Exchange(_CONF)
except AttributeError:
logger.critical(
'Impossible to load the strategy. Please check the file "user_data/strategies/%s.py"',
args.strategy
)
exit()
return [strategy, exchange, pairs]
def __init__(self, config: Dict[str, Any]) -> None:
"""
Init all variables and object the bot need to work
:param config: configuration dict, you can use the Configuration.get_config()
method to get the config dict.
"""
logger.info(
'Starting freqtrade %s',
__version__,
)
# Init bot states
self.state = State.STOPPED
# Init objects
self.config = config
self.strategy: IStrategy = StrategyResolver(self.config).strategy
self.rpc: RPCManager = RPCManager(self)
self.persistence = None
self.exchange = Exchange(self.config)
self.wallets = Wallets(self.exchange)
pairlistname = self.config.get('pairlist',
{}).get('method', 'StaticPairList')
self.pairlists = PairListResolver(pairlistname, self,
self.config).pairlist
# Initializing Edge only if enabled
self.edge = Edge(self.config, self.exchange, self.strategy) if \
self.config.get('edge', {}).get('enabled', False) else None
self.active_pair_whitelist: List[str] = self.config['exchange'][
'pair_whitelist']
self._init_modules()
def analyse_and_plot_pairs(config: Dict[str, Any]):
plot_elements = init_plotscript(config)
trades = plot_elements['trades']
strategy = StrategyResolver(config).strategy
pair_counter = 0
plots = []
for pair, data in plot_elements["tickers"].items():
pair_counter += 1
logger.info("analyse pair %s", pair)
tickers = {}
tickers[pair] = data
dataframe = strategy.analyze_ticker(tickers[pair], {'pair': pair})
trades_pair = trades.loc[trades['pair'] == pair]
trades_pair = extract_trades_of_period(dataframe, trades_pair)
plots.append(
analyze_results(pair=pair,
data=dataframe,
trades=trades_pair,
indicators1=parse_indicators(
config['indicators1'] if 'indicators1' in
config.keys() else None),
indicators2=parse_indicators(
config['indicators2'] if 'indicators2' in
config.keys() else None)))
logger.info('End of ploting process %s plots generated', pair_counter)
return plots
def test_load_not_found_strategy():
strategy = StrategyResolver()
with pytest.raises(
OperationalException,
match=r"Impossible to load Strategy 'NotFoundStrategy'. "
r"This class does not exist or contains Python code errors."):
strategy._load_strategy(strategy_name='NotFoundStrategy', config={})
def test_load_strategy_byte64(result):
with open("freqtrade/tests/strategy/test_strategy.py", "r") as file:
encoded_string = urlsafe_b64encode(
file.read().encode("utf-8")).decode("utf-8")
resolver = StrategyResolver(
{'strategy': 'TestStrategy:{}'.format(encoded_string)})
assert 'adx' in resolver.strategy.advise_indicators(result, 'ETH/BTC')
def test_load_strategy_noname(default_conf):
default_conf['strategy'] = ''
with pytest.raises(
OperationalException,
match="No strategy set. Please use `--strategy` to specify "
"the strategy class to use."):
StrategyResolver(default_conf)
def test_load_not_found_strategy(default_conf):
default_conf['strategy'] = 'NotFoundStrategy'
with pytest.raises(
OperationalException,
match=r"Impossible to load Strategy 'NotFoundStrategy'. "
r"This class does not exist or contains Python code errors."):
StrategyResolver(default_conf)
def test_call_deprecated_function(result, monkeypatch, default_conf):
default_location = path.join(path.dirname(path.realpath(__file__)))
default_conf.update({
'strategy': 'TestStrategyLegacy',
'strategy_path': default_location
})
resolver = StrategyResolver(default_conf)
metadata = {'pair': 'ETH/BTC'}
# Make sure we are using a legacy function
assert resolver.strategy._populate_fun_len == 2
assert resolver.strategy._buy_fun_len == 2
assert resolver.strategy._sell_fun_len == 2
assert resolver.strategy.INTERFACE_VERSION == 1
indicator_df = resolver.strategy.advise_indicators(result,
metadata=metadata)
assert isinstance(indicator_df, DataFrame)
assert 'adx' in indicator_df.columns
buydf = resolver.strategy.advise_buy(result, metadata=metadata)
assert isinstance(buydf, DataFrame)
assert 'buy' in buydf.columns
selldf = resolver.strategy.advise_sell(result, metadata=metadata)
assert isinstance(selldf, DataFrame)
assert 'sell' in selldf
def test_deprecate_populate_indicators(result, default_conf):
default_location = path.join(path.dirname(path.realpath(__file__)))
default_conf.update({
'strategy': 'TestStrategyLegacy',
'strategy_path': default_location
})
resolver = StrategyResolver(default_conf)
with warnings.catch_warnings(record=True) as w:
# Cause all warnings to always be triggered.
warnings.simplefilter("always")
indicators = resolver.strategy.advise_indicators(
result, {'pair': 'ETH/BTC'})
assert len(w) == 1
assert issubclass(w[-1].category, DeprecationWarning)
assert "deprecated - check out the Sample strategy to see the current function headers!" \
in str(w[-1].message)
with warnings.catch_warnings(record=True) as w:
# Cause all warnings to always be triggered.
warnings.simplefilter("always")
resolver.strategy.advise_buy(indicators, {'pair': 'ETH/BTC'})
assert len(w) == 1
assert issubclass(w[-1].category, DeprecationWarning)
assert "deprecated - check out the Sample strategy to see the current function headers!" \
in str(w[-1].message)
with warnings.catch_warnings(record=True) as w:
# Cause all warnings to always be triggered.
warnings.simplefilter("always")
resolver.strategy.advise_sell(indicators, {'pair': 'ETH_BTC'})
assert len(w) == 1
assert issubclass(w[-1].category, DeprecationWarning)
assert "deprecated - check out the Sample strategy to see the current function headers!" \
in str(w[-1].message)
def analyse_and_plot_pairs(config: Dict[str, Any]):
"""
From arguments provided in cli:
-Initialise backtest env
-Get tickers data
-Generate Dafaframes populated with indicators and signals
-Load trades excecuted on same periods
-Generate Plotly plot objects
-Generate plot files
:return: None
"""
exchange = ExchangeResolver(config.get('exchange', {}).get('name'), config).exchange
strategy = StrategyResolver(config).strategy
if "pairs" in config:
pairs = config["pairs"].split(',')
else:
pairs = config["exchange"]["pair_whitelist"]
# Set timerange to use
timerange = Arguments.parse_timerange(config["timerange"])
ticker_interval = strategy.ticker_interval
tickers = history.load_data(
datadir=Path(str(config.get("datadir"))),
pairs=pairs,
ticker_interval=config['ticker_interval'],
refresh_pairs=config.get('refresh_pairs', False),
timerange=timerange,
exchange=exchange,
live=config.get("live", False),
)
pair_counter = 0
for pair, data in tickers.items():
pair_counter += 1
logger.info("analyse pair %s", pair)
tickers = {}
tickers[pair] = data
dataframe = generate_dataframe(strategy, tickers, pair)
if config["trade_source"] == "DB":
trades = load_trades_from_db(config["db_url"])
elif config["trade_source"] == "file":
trades = load_backtest_data(Path(config["exportfilename"]))
trades = trades.loc[trades['pair'] == pair]
trades = extract_trades_of_period(dataframe, trades)
fig = generate_graph(
pair=pair,
data=dataframe,
trades=trades,
indicators1=config["indicators1"].split(","),
indicators2=config["indicators2"].split(",")
)
generate_plot_file(fig, pair, ticker_interval)
logger.info('End of ploting process %s plots generated', pair_counter)
def test_loss_calculation_prefer_correct_trade_count(hyperopt) -> None:
StrategyResolver({'strategy': 'DefaultStrategy'})
correct = hyperopt.calculate_loss(1, hyperopt.target_trades, 20)
over = hyperopt.calculate_loss(1, hyperopt.target_trades + 100, 20)
under = hyperopt.calculate_loss(1, hyperopt.target_trades - 100, 20)
assert over > correct
assert under > correct
def test_load_strategy_invalid_directory(result, caplog, default_conf):
resolver = StrategyResolver(default_conf)
extra_dir = Path.cwd() / 'some/path'
resolver._load_strategy('SampleStrategy', config=default_conf, extra_dir=extra_dir)
assert log_has_re(r'Path .*' + r'some.*path.*' + r'.* does not exist', caplog)
assert 'adx' in resolver.strategy.advise_indicators(result, {'pair': 'ETH/BTC'})
def test_load_staticmethod_importerror(mocker, caplog):
mocker.patch("freqtrade.resolvers.strategy_resolver.import_strategy", Mock(
side_effect=TypeError("can't pickle staticmethod objects")))
with pytest.raises(ImportError,
match=r"Impossible to load Strategy 'DefaultStrategy'."
r" This class does not exist or contains Python code errors"):
StrategyResolver()
assert log_has_re(r".*Error: can't pickle staticmethod objects", caplog.record_tuples)
def __init__(self, config: Dict[str, Any]) -> None:
"""
Init all variables and objects the bot needs to work
:param config: configuration dict, you can use Configuration.get_config()
to get the config dict.
"""
logger.info('Starting freqtrade %s', __version__)
# Init bot state
self.state = State.STOPPED
# Init objects
self.config = config
self._heartbeat_msg = 0
self.heartbeat_interval = self.config.get('internals', {}).get(
'heartbeat_interval', 60)
self.strategy: IStrategy = StrategyResolver(self.config).strategy
# Check config consistency here since strategies can set certain options
validate_config_consistency(config)
self.exchange = ExchangeResolver(self.config['exchange']['name'],
self.config).exchange
self.wallets = Wallets(self.config, self.exchange)
self.dataprovider = DataProvider(self.config, self.exchange)
# Attach Dataprovider to Strategy baseclass
IStrategy.dp = self.dataprovider
# Attach Wallets to Strategy baseclass
IStrategy.wallets = self.wallets
self.pairlists = PairListManager(self.exchange, self.config)
# Initializing Edge only if enabled
self.edge = Edge(self.config, self.exchange, self.strategy) if \
self.config.get('edge', {}).get('enabled', False) else None
self.active_pair_whitelist = self._refresh_whitelist()
persistence.init(self.config.get('db_url', None),
clean_open_orders=self.config.get('dry_run', False))
# Set initial bot state from config
initial_state = self.config.get('initial_state')
self.state = State[
initial_state.upper()] if initial_state else State.STOPPED
# RPC runs in separate threads, can start handling external commands just after
# initialization, even before Freqtradebot has a chance to start its throttling,
# so anything in the Freqtradebot instance should be ready (initialized), including
# the initial state of the bot.
# Keep this at the end of this initialization method.
self.rpc: RPCManager = RPCManager(self)
def test_strategy_override_stoploss(caplog, default_conf):
caplog.set_level(logging.INFO)
default_conf.update({'strategy': 'DefaultStrategy', 'stoploss': -0.5})
resolver = StrategyResolver(default_conf)
assert resolver.strategy.stoploss == -0.5
assert log_has(
"Override strategy 'stoploss' with value in config file: -0.5.",
caplog)
def test_strategy_override_stoploss(caplog):
caplog.set_level(logging.INFO)
config = {'strategy': 'DefaultStrategy', 'stoploss': -0.5}
resolver = StrategyResolver(config)
assert resolver.strategy.stoploss == -0.5
assert ('freqtrade.resolvers.strategy_resolver', logging.INFO,
"Override strategy 'stoploss' with value in config file: -0.5."
) in caplog.record_tuples
def test_load_strategy(default_conf, result):
default_conf.update({
'strategy':
'SampleStrategy',
'strategy_path':
str(Path(__file__).parents[2] / 'freqtrade/templates')
})
resolver = StrategyResolver(default_conf)
assert 'rsi' in resolver.strategy.advise_indicators(
result, {'pair': 'ETH/BTC'})
def test_strategy_override_minimal_roi(caplog):
caplog.set_level(logging.INFO)
config = {'strategy': 'DefaultStrategy', 'minimal_roi': {"0": 0.5}}
resolver = StrategyResolver(config)
assert resolver.strategy.minimal_roi[0] == 0.5
assert (
'freqtrade.resolvers.strategy_resolver', logging.INFO,
"Override strategy 'minimal_roi' with value in config file: {'0': 0.5}."
) in caplog.record_tuples
def test_strategy_override_trailing_stop(caplog, default_conf):
caplog.set_level(logging.INFO)
default_conf.update({'strategy': 'DefaultStrategy', 'trailing_stop': True})
resolver = StrategyResolver(default_conf)
assert resolver.strategy.trailing_stop
assert isinstance(resolver.strategy.trailing_stop, bool)
assert log_has(
"Override strategy 'trailing_stop' with value in config file: True.",
caplog)
def test_load_strategy_base64(result, caplog, default_conf):
with open("user_data/strategies/sample_strategy.py", "rb") as file:
encoded_string = urlsafe_b64encode(file.read()).decode("utf-8")
default_conf.update({'strategy': 'SampleStrategy:{}'.format(encoded_string)})
resolver = StrategyResolver(default_conf)
assert 'rsi' in resolver.strategy.advise_indicators(result, {'pair': 'ETH/BTC'})
# Make sure strategy was loaded from base64 (using temp directory)!!
assert log_has_re(r"Using resolved strategy SampleStrategy from '"
r".*(/|\\).*(/|\\)SampleStrategy\.py'\.\.\.", caplog)