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Merge branch 'develop' into feat/freqai

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Matthias
2022-07-16 18:14:34 +02:00
parent 4ef2ed2f1b 004bf31142
commit f6bfd89cef
40 changed files with 13321 additions and 12208 deletions
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91
freqtrade/exchange/exchange.py
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@@ -77,7 +77,9 @@ class Exchange:
"mark_ohlcv_price": "mark",
"mark_ohlcv_timeframe": "8h",
"ccxt_futures_name": "swap",
"fee_cost_in_contracts": False, # Fee cost needs contract conversion
"needs_trading_fees": False, # use fetch_trading_fees to cache fees
"order_props_in_contracts": ['amount', 'cost', 'filled', 'remaining'],
}
_ft_has: Dict = {}
_ft_has_futures: Dict = {}
@@ -174,23 +176,11 @@ class Exchange:
logger.info(f'Using Exchange "{self.name}"')
if validate:
# Check if timeframe is available
self.validate_timeframes(config.get('timeframe'))
# Initial markets load
self._load_markets()
# Check if all pairs are available
self.validate_stakecurrency(config['stake_currency'])
if not exchange_config.get('skip_pair_validation'):
self.validate_pairs(config['exchange']['pair_whitelist'])
self.validate_ordertypes(config.get('order_types', {}))
self.validate_order_time_in_force(config.get('order_time_in_force', {}))
self.validate_config(config)
self.required_candle_call_count = self.validate_required_startup_candles(
config.get('startup_candle_count', 0), config.get('timeframe', ''))
self.validate_trading_mode_and_margin_mode(self.trading_mode, self.margin_mode)
self.validate_pricing(config['exit_pricing'])
self.validate_pricing(config['entry_pricing'])
# Converts the interval provided in minutes in config to seconds
self.markets_refresh_interval: int = exchange_config.get(
@@ -213,6 +203,20 @@ class Exchange:
logger.info("Closing async ccxt session.")
self.loop.run_until_complete(self._api_async.close())
def validate_config(self, config):
# Check if timeframe is available
self.validate_timeframes(config.get('timeframe'))
# Check if all pairs are available
self.validate_stakecurrency(config['stake_currency'])
if not config['exchange'].get('skip_pair_validation'):
self.validate_pairs(config['exchange']['pair_whitelist'])
self.validate_ordertypes(config.get('order_types', {}))
self.validate_order_time_in_force(config.get('order_time_in_force', {}))
self.validate_trading_mode_and_margin_mode(self.trading_mode, self.margin_mode)
self.validate_pricing(config['exit_pricing'])
self.validate_pricing(config['entry_pricing'])
def _init_ccxt(self, exchange_config: Dict[str, Any], ccxt_module: CcxtModuleType = ccxt,
ccxt_kwargs: Dict = {}) -> ccxt.Exchange:
"""
@@ -422,7 +426,7 @@ class Exchange:
if 'symbol' in order and order['symbol'] is not None:
contract_size = self._get_contract_size(order['symbol'])
if contract_size != 1:
for prop in ['amount', 'cost', 'filled', 'remaining']:
for prop in self._ft_has.get('order_props_in_contracts', []):
if prop in order and order[prop] is not None:
order[prop] = order[prop] * contract_size
return order
@@ -820,7 +824,7 @@ class Exchange:
'price': rate,
'average': rate,
'amount': _amount,
'cost': _amount * rate / leverage,
'cost': _amount * rate,
'type': ordertype,
'side': side,
'filled': 0,
@@ -1631,27 +1635,35 @@ class Exchange:
and order['fee']['cost'] is not None
)
def calculate_fee_rate(self, order: Dict) -> Optional[float]:
def calculate_fee_rate(
self, fee: Dict, symbol: str, cost: float, amount: float) -> Optional[float]:
"""
Calculate fee rate if it's not given by the exchange.
:param order: Order or trade (one trade) dict
:param fee: ccxt Fee dict - must contain cost / currency / rate
:param symbol: Symbol of the order
:param cost: Total cost of the order
:param amount: Amount of the order
"""
if order['fee'].get('rate') is not None:
return order['fee'].get('rate')
fee_curr = order['fee']['currency']
if fee.get('rate') is not None:
return fee.get('rate')
fee_curr = fee.get('currency')
if fee_curr is None:
return None
fee_cost = float(fee['cost'])
if self._ft_has['fee_cost_in_contracts']:
# Convert cost via "contracts" conversion
fee_cost = self._contracts_to_amount(symbol, fee['cost'])
# Calculate fee based on order details
if fee_curr in self.get_pair_base_currency(order['symbol']):
if fee_curr == self.get_pair_base_currency(symbol):
# Base currency - divide by amount
return round(
order['fee']['cost'] / safe_value_fallback2(order, order, 'filled', 'amount'), 8)
elif fee_curr in self.get_pair_quote_currency(order['symbol']):
return round(fee_cost / amount, 8)
elif fee_curr == self.get_pair_quote_currency(symbol):
# Quote currency - divide by cost
return round(self._contracts_to_amount(
order['symbol'], order['fee']['cost']) / order['cost'],
8) if order['cost'] else None
return round(fee_cost / cost, 8) if cost else None
else:
# If Fee currency is a different currency
if not order['cost']:
if not cost:
# If cost is None or 0.0 -> falsy, return None
return None
try:
@@ -1663,19 +1675,28 @@ class Exchange:
fee_to_quote_rate = self._config['exchange'].get('unknown_fee_rate', None)
if not fee_to_quote_rate:
return None
return round((self._contracts_to_amount(
order['symbol'], order['fee']['cost']) * fee_to_quote_rate) / order['cost'], 8)
return round((fee_cost * fee_to_quote_rate) / cost, 8)
def extract_cost_curr_rate(self, order: Dict) -> Tuple[float, str, Optional[float]]:
def extract_cost_curr_rate(self, fee: Dict, symbol: str, cost: float,
amount: float) -> Tuple[float, str, Optional[float]]:
"""
Extract tuple of cost, currency, rate.
Requires order_has_fee to run first!
:param order: Order or trade (one trade) dict
:param fee: ccxt Fee dict - must contain cost / currency / rate
:param symbol: Symbol of the order
:param cost: Total cost of the order
:param amount: Amount of the order
:return: Tuple with cost, currency, rate of the given fee dict
"""
return (order['fee']['cost'],
order['fee']['currency'],
self.calculate_fee_rate(order))
return (float(fee['cost']),
fee['currency'],
self.calculate_fee_rate(
fee,
symbol,
cost,
amount
)
)
# Historic data