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Added Method for accessing current pair list on initialization for dynamic informative pairs

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moved import into function to avoid circular import with hyperopt
This commit is contained in:
Paul D. Mendes 2020-05-06 19:48:57 +04:00
parent 20c3d6644c
commit bc9efc31ad
2 changed files with 39 additions and 8 deletions
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14
freqtrade/data/dataprovider.py
View File

@ -116,3 +116,17 @@ class DataProvider:
can be "live", "dry-run", "backtest", "edgecli", "hyperopt" or "other".
"""
return RunMode(self._config.get('runmode', RunMode.OTHER))
def current_whitelist(self) -> List[str]:
"""
fetch latest available whitelist.
Useful when you have a large whitelist and need to call each pair as an informative pair.
As available pairs does not show whitelist until after informative pairs have been cached.
:return: list of pairs in whitelist
"""
from freqtrade.pairlist.pairlistmanager import PairListManager
pairlists = PairListManager(self._exchange, self._config)
pairlists.refresh_pairlist()
return pairlists.whitelist

33
tests/data/test_dataprovider.py
View File

@ -1,10 +1,10 @@
from unittest.mock import MagicMock
from unittest.mock import MagicMock, PropertyMock
from pandas import DataFrame
from freqtrade.data.dataprovider import DataProvider
from freqtrade.state import RunMode
from tests.conftest import get_patched_exchange
from tests.conftest import get_patched_exchange, get_patched_freqtradebot
def test_ohlcv(mocker, default_conf, ohlcv_history):
@ -64,8 +64,8 @@ def test_get_pair_dataframe(mocker, default_conf, ohlcv_history):
assert dp.get_pair_dataframe("NONESENSE/AAA", ticker_interval).empty
# Test with and without parameter
assert dp.get_pair_dataframe("UNITTEST/BTC",
ticker_interval).equals(dp.get_pair_dataframe("UNITTEST/BTC"))
assert dp.get_pair_dataframe("UNITTEST/BTC", ticker_interval)\
.equals(dp.get_pair_dataframe("UNITTEST/BTC"))
default_conf["runmode"] = RunMode.LIVE
dp = DataProvider(default_conf, exchange)
@ -90,10 +90,7 @@ def test_available_pairs(mocker, default_conf, ohlcv_history):
dp = DataProvider(default_conf, exchange)
assert len(dp.available_pairs) == 2
assert dp.available_pairs == [
("XRP/BTC", ticker_interval),
("UNITTEST/BTC", ticker_interval),
]
assert dp.available_pairs == [("XRP/BTC", ticker_interval), ("UNITTEST/BTC", ticker_interval), ]
def test_refresh(mocker, default_conf, ohlcv_history):
@ -152,3 +149,23 @@ def test_market(mocker, default_conf, markets):
res = dp.market('UNITTEST/BTC')
assert res is None
def test_current_whitelist(mocker, shitcoinmarkets, tickers, default_conf):
default_conf.update(
{"pairlists": [{"method": "VolumePairList",
"number_assets": 10,
"sort_key": "quoteVolume"}], }, )
default_conf['exchange']['pair_blacklist'] = ['BLK/BTC']
mocker.patch.multiple('freqtrade.exchange.Exchange', get_tickers=tickers,
exchange_has=MagicMock(return_value=True), )
bot = get_patched_freqtradebot(mocker, default_conf)
# Remock markets with shitcoinmarkets since get_patched_freqtradebot uses the markets fixture
mocker.patch.multiple('freqtrade.exchange.Exchange',
markets=PropertyMock(return_value=shitcoinmarkets), )
# argument: use the whitelist dynamically by exchange-volume
whitelist = ['ETH/BTC', 'TKN/BTC', 'LTC/BTC', 'XRP/BTC', 'HOT/BTC', 'FUEL/BTC']
current_wl = bot.dataprovider.current_whitelist()
assert whitelist == current_wl