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merged lev-freqtradebot with lev-strat

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This commit is contained in:
Sam Germain
2021-09-19 19:06:43 -06:00
parent 2e8d00e877 778f0d9d0a
commit d7c7448632
55 changed files with 2704 additions and 1036 deletions
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86
freqtrade/exchange/exchange.py
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@@ -49,9 +49,6 @@ class Exchange:
_config: Dict = {}
# Parameters to add directly to ccxt sync/async initialization.
_ccxt_config: Dict = {}
# Parameters to add directly to buy/sell calls (like agreeing to trading agreement)
_params: Dict = {}
@@ -131,14 +128,25 @@ class Exchange:
self._trades_pagination = self._ft_has['trades_pagination']
self._trades_pagination_arg = self._ft_has['trades_pagination_arg']
self.trading_mode: TradingMode = (
TradingMode(config.get('trading_mode'))
if config.get('trading_mode')
else TradingMode.SPOT
)
self.collateral: Optional[Collateral] = (
Collateral(config.get('collateral'))
if config.get('collateral')
else None
)
# Initialize ccxt objects
ccxt_config = self._ccxt_config.copy()
ccxt_config = self._ccxt_config
ccxt_config = deep_merge_dicts(exchange_config.get('ccxt_config', {}), ccxt_config)
ccxt_config = deep_merge_dicts(exchange_config.get('ccxt_sync_config', {}), ccxt_config)
self._api = self._init_ccxt(exchange_config, ccxt_kwargs=ccxt_config)
ccxt_async_config = self._ccxt_config.copy()
ccxt_async_config = self._ccxt_config
ccxt_async_config = deep_merge_dicts(exchange_config.get('ccxt_config', {}),
ccxt_async_config)
ccxt_async_config = deep_merge_dicts(exchange_config.get('ccxt_async_config', {}),
@@ -146,17 +154,6 @@ class Exchange:
self._api_async = self._init_ccxt(
exchange_config, ccxt_async, ccxt_kwargs=ccxt_async_config)
self.trading_mode: TradingMode = (
TradingMode(config.get('trading_mode'))
if config.get('trading_mode')
else TradingMode.SPOT
)
collateral: Optional[Collateral] = (
Collateral(config.get('collateral'))
if config.get('collateral')
else None
)
if self.trading_mode != TradingMode.SPOT:
self.fill_leverage_brackets()
@@ -177,7 +174,7 @@ class Exchange:
self.validate_order_time_in_force(config.get('order_time_in_force', {}))
self.validate_required_startup_candles(config.get('startup_candle_count', 0),
config.get('timeframe', ''))
self.validate_trading_mode_and_collateral(self.trading_mode, collateral)
self.validate_trading_mode_and_collateral(self.trading_mode, self.collateral)
# Converts the interval provided in minutes in config to seconds
self.markets_refresh_interval: int = exchange_config.get(
"markets_refresh_interval", 60) * 60
@@ -210,7 +207,6 @@ class Exchange:
'secret': exchange_config.get('secret'),
'password': exchange_config.get('password'),
'uid': exchange_config.get('uid', ''),
'options': exchange_config.get('options', {})
}
if ccxt_kwargs:
logger.info('Applying additional ccxt config: %s', ccxt_kwargs)
@@ -231,6 +227,11 @@ class Exchange:
return api
@property
def _ccxt_config(self) -> Dict:
# Parameters to add directly to ccxt sync/async initialization.
return {}
@property
def name(self) -> str:
"""exchange Name (from ccxt)"""
@@ -617,15 +618,13 @@ class Exchange:
# The value returned should satisfy both limits: for amount (base currency) and
# for cost (quote, stake currency), so max() is used here.
# See also #2575 at github.
return self._apply_leverage_to_stake_amount(
return self._get_stake_amount_considering_leverage(
max(min_stake_amounts) * amount_reserve_percent,
leverage or 1.0
)
def _apply_leverage_to_stake_amount(self, stake_amount: float, leverage: float):
def _get_stake_amount_considering_leverage(self, stake_amount: float, leverage: float):
"""
#TODO-lev: Find out how this works on Kraken and FTX
# * Should be implemented by child classes if leverage affects the stake_amount
Takes the minimum stake amount for a pair with no leverage and returns the minimum
stake amount when leverage is considered
:param stake_amount: The stake amount for a pair before leverage is considered
@@ -636,7 +635,7 @@ class Exchange:
# Dry-run methods
def create_dry_run_order(self, pair: str, ordertype: str, side: str, amount: float,
rate: float, params: Dict = {}) -> Dict[str, Any]:
rate: float, leverage: float, params: Dict = {}) -> Dict[str, Any]:
order_id = f'dry_run_{side}_{datetime.now().timestamp()}'
_amount = self.amount_to_precision(pair, amount)
dry_order: Dict[str, Any] = {
@@ -653,7 +652,8 @@ class Exchange:
'timestamp': arrow.utcnow().int_timestamp * 1000,
'status': "closed" if ordertype == "market" else "open",
'fee': None,
'info': {}
'info': {},
'leverage': leverage
}
if dry_order["type"] in ["stop_loss_limit", "stop-loss-limit"]:
dry_order["info"] = {"stopPrice": dry_order["price"]}
@@ -663,7 +663,7 @@ class Exchange:
average = self.get_dry_market_fill_price(pair, side, amount, rate)
dry_order.update({
'average': average,
'cost': dry_order['amount'] * average,
'cost': (dry_order['amount'] * average) / leverage
})
dry_order = self.add_dry_order_fee(pair, dry_order)
@@ -771,19 +771,26 @@ class Exchange:
# Order handling
def create_order(self, pair: str, ordertype: str, side: str, amount: float,
rate: float, time_in_force: str = 'gtc', leverage=1.0) -> Dict:
if self._config['dry_run']:
dry_order = self.create_dry_run_order(pair, ordertype, side, amount, rate)
return dry_order
def _lev_prep(self, pair: str, leverage: float):
if self.trading_mode != TradingMode.SPOT:
self.set_margin_mode(pair, self.collateral)
self._set_leverage(leverage, pair)
def _get_params(self, ordertype: str, leverage: float, time_in_force: str = 'gtc') -> Dict:
params = self._params.copy()
if time_in_force != 'gtc' and ordertype != 'market':
param = self._ft_has.get('time_in_force_parameter', '')
params.update({param: time_in_force})
return params
def create_order(self, pair: str, ordertype: str, side: str, amount: float,
rate: float, leverage: float = 1.0, time_in_force: str = 'gtc') -> Dict:
# TODO-lev: remove default for leverage
if self._config['dry_run']:
dry_order = self.create_dry_run_order(pair, ordertype, side, amount, rate, leverage)
return dry_order
params = self._get_params(ordertype, leverage, time_in_force)
try:
# Set the precision for amount and price(rate) as accepted by the exchange
@@ -792,6 +799,7 @@ class Exchange:
or self._api.options.get("createMarketBuyOrderRequiresPrice", False))
rate_for_order = self.price_to_precision(pair, rate) if needs_price else None
self._lev_prep(pair, leverage)
order = self._api.create_order(pair, ordertype, side,
amount, rate_for_order, params)
self._log_exchange_response('create_order', order)
@@ -822,8 +830,8 @@ class Exchange:
"""
raise OperationalException(f"stoploss is not implemented for {self.name}.")
def stoploss(self, pair: str, amount: float,
stop_price: float, order_types: Dict, side: str) -> Dict:
def stoploss(self, pair: str, amount: float, stop_price: float,
order_types: Dict, side: str, leverage: float) -> Dict:
"""
creates a stoploss order.
The precise ordertype is determined by the order_types dict or exchange default.
@@ -1586,15 +1594,13 @@ class Exchange:
self._async_get_trade_history(pair=pair, since=since,
until=until, from_id=from_id))
@retrier
def fill_leverage_brackets(self):
"""
#TODO-lev: Should maybe be renamed, leverage_brackets might not be accurate for kraken
# TODO-lev: Should maybe be renamed, leverage_brackets might not be accurate for kraken
Assigns property _leverage_brackets to a dictionary of information about the leverage
allowed on each pair
"""
raise OperationalException(
f"{self.name.capitalize()}.fill_leverage_brackets has not been implemented.")
return
def get_max_leverage(self, pair: Optional[str], nominal_value: Optional[float]) -> float:
"""
@@ -1615,7 +1621,7 @@ class Exchange:
Set's the leverage before making a trade, in order to not
have the same leverage on every trade
"""
if not self.exchange_has("setLeverage"):
if self._config['dry_run'] or not self.exchange_has("setLeverage"):
# Some exchanges only support one collateral type
return
@@ -1635,7 +1641,7 @@ class Exchange:
Set's the margin mode on the exchange to cross or isolated for a specific pair
:param symbol: base/quote currency pair (e.g. "ADA/USDT")
'''
if not self.exchange_has("setMarginMode"):
if self._config['dry_run'] or not self.exchange_has("setMarginMode"):
# Some exchanges only support one collateral type
return