freqtrade_origin/tests/exchange/test_ccxt_compat.py

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2020-10-13 17:54:27 +00:00
"""
Tests in this file do NOT mock network calls, so they are expected to be fluky at times.
However, these tests should give a good idea to determine if a new exchange is
suitable to run with freqtrade.
"""
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from copy import deepcopy
from datetime import datetime, timedelta, timezone
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from pathlib import Path
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from typing import Tuple
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import pytest
from freqtrade.constants import Config
from freqtrade.enums import CandleType
from freqtrade.exchange import timeframe_to_minutes, timeframe_to_prev_date
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from freqtrade.exchange.exchange import Exchange, timeframe_to_msecs
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from freqtrade.resolvers.exchange_resolver import ExchangeResolver
from tests.conftest import EXMS, get_default_conf_usdt
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EXCHANGE_FIXTURE_TYPE = Tuple[Exchange, str]
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# Exchanges that should be tested
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EXCHANGES = {
'bittrex': {
'pair': 'BTC/USDT',
'stake_currency': 'USDT',
'hasQuoteVolume': False,
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'timeframe': '1h',
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'leverage_tiers_public': False,
'leverage_in_spot_market': False,
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},
'binance': {
'pair': 'BTC/USDT',
'stake_currency': 'USDT',
'use_ci_proxy': True,
'hasQuoteVolume': True,
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'timeframe': '1h',
'futures': True,
'futures_pair': 'BTC/USDT:USDT',
'hasQuoteVolumeFutures': True,
'leverage_tiers_public': False,
'leverage_in_spot_market': False,
'private_methods': [
'fapiPrivateGetPositionSideDual',
'fapiPrivateGetMultiAssetsMargin'
],
'sample_order': [{
"symbol": "SOLUSDT",
"orderId": 3551312894,
"orderListId": -1,
"clientOrderId": "x-R4DD3S8297c73a11ccb9dc8f2811ba",
"transactTime": 1674493798550,
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"price": "15.50000000",
"origQty": "1.10000000",
"executedQty": "0.00000000",
"cummulativeQuoteQty": "0.00000000",
"status": "NEW",
"timeInForce": "GTC",
"type": "LIMIT",
"side": "BUY",
"workingTime": 1674493798550,
"fills": [],
"selfTradePreventionMode": "NONE",
}]
},
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'binanceus': {
'pair': 'BTC/USDT',
'stake_currency': 'USDT',
'hasQuoteVolume': True,
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'timeframe': '1h',
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'futures': False,
'sample_order': [{
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"symbol": "SOLUSDT",
"orderId": 3551312894,
"orderListId": -1,
"clientOrderId": "x-R4DD3S8297c73a11ccb9dc8f2811ba",
"transactTime": 1674493798550,
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"price": "15.50000000",
"origQty": "1.10000000",
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"executedQty": "0.00000000",
"cummulativeQuoteQty": "0.00000000",
"status": "NEW",
"timeInForce": "GTC",
"type": "LIMIT",
"side": "BUY",
"workingTime": 1674493798550,
"fills": [],
"selfTradePreventionMode": "NONE",
}]
},
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'kraken': {
'pair': 'BTC/USDT',
'stake_currency': 'USDT',
'hasQuoteVolume': True,
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'timeframe': '1h',
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'leverage_tiers_public': False,
'leverage_in_spot_market': True,
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},
'kucoin': {
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'pair': 'XRP/USDT',
'stake_currency': 'USDT',
'hasQuoteVolume': True,
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'timeframe': '1h',
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'leverage_tiers_public': False,
'leverage_in_spot_market': True,
'sample_order': [
{'id': '63d6742d0adc5570001d2bbf7'}, # create order
{
'id': '63d6742d0adc5570001d2bbf7',
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'symbol': 'SOL-USDT',
'opType': 'DEAL',
'type': 'limit',
'side': 'buy',
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'price': '15.5',
'size': '1.1',
'funds': '0',
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'dealFunds': '17.05',
'dealSize': '1.1',
'fee': '0.000065252',
'feeCurrency': 'USDT',
'stp': '',
'stop': '',
'stopTriggered': False,
'stopPrice': '0',
'timeInForce': 'GTC',
'postOnly': False,
'hidden': False,
'iceberg': False,
'visibleSize': '0',
'cancelAfter': 0,
'channel': 'API',
'clientOid': '0a053870-11bf-41e5-be61-b272a4cb62e1',
'remark': None,
'tags': 'partner:ccxt',
'isActive': False,
'cancelExist': False,
'createdAt': 1674493798550,
'tradeType': 'TRADE'
}],
},
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'gate': {
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'pair': 'BTC/USDT',
'stake_currency': 'USDT',
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'hasQuoteVolume': True,
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'timeframe': '1h',
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'futures': True,
'futures_pair': 'BTC/USDT:USDT',
'hasQuoteVolumeFutures': True,
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'leverage_tiers_public': True,
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'leverage_in_spot_market': True,
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'sample_order': [
{
"id": "276266139423",
"text": "apiv4",
"create_time": "1674493798",
"update_time": "1674493798",
"create_time_ms": "1674493798550",
"update_time_ms": "1674493798550",
"status": "closed",
"currency_pair": "SOL_USDT",
"type": "limit",
"account": "spot",
"side": "buy",
"amount": "1.1",
"price": "15.5",
"time_in_force": "gtc",
"iceberg": "0",
"left": "0",
"fill_price": "17.05",
"filled_total": "17.05",
"avg_deal_price": "15.5",
"fee": "0.0000018",
"fee_currency": "SOL",
"point_fee": "0",
"gt_fee": "0",
"gt_maker_fee": "0",
"gt_taker_fee": "0.0015",
"gt_discount": True,
"rebated_fee": "0",
"rebated_fee_currency": "USDT"
},
{
# market order
'id': '276401180529',
'text': 'apiv4',
'create_time': '1674493798',
'update_time': '1674493798',
'create_time_ms': '1674493798550',
'update_time_ms': '1674493798550',
'status': 'cancelled',
'currency_pair': 'SOL_USDT',
'type': 'market',
'account': 'spot',
'side': 'buy',
'amount': '17.05',
'price': '0',
'time_in_force': 'ioc',
'iceberg': '0',
'left': '0.0000000016228',
'fill_price': '17.05',
'filled_total': '17.05',
'avg_deal_price': '15.5',
'fee': '0',
'fee_currency': 'SOL',
'point_fee': '0.0199999999967544',
'gt_fee': '0',
'gt_maker_fee': '0',
'gt_taker_fee': '0',
'gt_discount': False,
'rebated_fee': '0',
'rebated_fee_currency': 'USDT'
}
],
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},
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'okx': {
'pair': 'BTC/USDT',
'stake_currency': 'USDT',
'hasQuoteVolume': True,
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'timeframe': '1h',
'futures': True,
'futures_pair': 'BTC/USDT:USDT',
'hasQuoteVolumeFutures': False,
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'leverage_tiers_public': True,
'leverage_in_spot_market': True,
'private_methods': ['fetch_accounts'],
},
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'bybit': {
'pair': 'BTC/USDT',
'stake_currency': 'USDT',
'hasQuoteVolume': True,
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'use_ci_proxy': True,
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'timeframe': '1h',
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'futures_pair': 'BTC/USDT:USDT',
'futures': True,
'leverage_tiers_public': True,
'leverage_in_spot_market': True,
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'sample_order': [
{
"orderId": "1274754916287346280",
"orderLinkId": "1666798627015730",
"symbol": "SOLUSDT",
"createTime": "1674493798550",
"orderPrice": "15.5",
"orderQty": "1.1",
"orderType": "LIMIT",
"side": "BUY",
"status": "NEW",
"timeInForce": "GTC",
"accountId": "5555555",
"execQty": "0",
"orderCategory": "0"
}
]
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},
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'huobi': {
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'pair': 'ETH/BTC',
'stake_currency': 'BTC',
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'hasQuoteVolume': True,
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'timeframe': '1h',
'futures': False,
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},
'bitvavo': {
'pair': 'BTC/EUR',
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'stake_currency': 'EUR',
'hasQuoteVolume': True,
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'timeframe': '1h',
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'leverage_tiers_public': False,
'leverage_in_spot_market': False,
},
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}
@pytest.fixture(scope="class")
def exchange_conf():
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config = get_default_conf_usdt((Path(__file__).parent / "testdata").resolve())
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config['exchange']['pair_whitelist'] = []
config['exchange']['key'] = ''
config['exchange']['secret'] = ''
config['dry_run'] = False
config['entry_pricing']['use_order_book'] = True
config['exit_pricing']['use_order_book'] = True
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return config
def set_test_proxy(config: Config, use_proxy: bool) -> Config:
# Set proxy to test in CI.
import os
if use_proxy and (proxy := os.environ.get('CI_WEB_PROXY')):
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config1 = deepcopy(config)
config1['exchange']['ccxt_config'] = {
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"aiohttp_proxy": proxy,
'proxies': {
'https': proxy,
'http': proxy,
}
}
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return config1
return config
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@pytest.fixture(params=EXCHANGES, scope="class")
def exchange(request, exchange_conf):
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exchange_conf = set_test_proxy(
exchange_conf, EXCHANGES[request.param].get('use_ci_proxy', False))
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exchange_conf['exchange']['name'] = request.param
exchange_conf['stake_currency'] = EXCHANGES[request.param]['stake_currency']
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exchange = ExchangeResolver.load_exchange(exchange_conf, validate=True)
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yield exchange, request.param
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@pytest.fixture(params=EXCHANGES, scope="class")
def exchange_futures(request, exchange_conf, class_mocker):
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if EXCHANGES[request.param].get('futures') is not True:
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yield None, request.param
else:
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exchange_conf = set_test_proxy(
exchange_conf, EXCHANGES[request.param].get('use_ci_proxy', False))
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exchange_conf = deepcopy(exchange_conf)
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exchange_conf['exchange']['name'] = request.param
exchange_conf['trading_mode'] = 'futures'
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exchange_conf['margin_mode'] = 'isolated'
exchange_conf['stake_currency'] = EXCHANGES[request.param]['stake_currency']
class_mocker.patch(
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'freqtrade.exchange.binance.Binance.fill_leverage_tiers')
class_mocker.patch(f'{EXMS}.fetch_trading_fees')
class_mocker.patch('freqtrade.exchange.okx.Okx.additional_exchange_init')
class_mocker.patch('freqtrade.exchange.binance.Binance.additional_exchange_init')
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class_mocker.patch('freqtrade.exchange.bybit.Bybit.additional_exchange_init')
class_mocker.patch(f'{EXMS}.load_cached_leverage_tiers', return_value=None)
class_mocker.patch(f'{EXMS}.cache_leverage_tiers')
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exchange = ExchangeResolver.load_exchange(
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exchange_conf, validate=True, load_leverage_tiers=True)
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yield exchange, request.param
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@pytest.mark.longrun
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class TestCCXTExchange():
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def test_load_markets(self, exchange: EXCHANGE_FIXTURE_TYPE):
exch, exchangename = exchange
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pair = EXCHANGES[exchangename]['pair']
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markets = exch.markets
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assert pair in markets
assert isinstance(markets[pair], dict)
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assert exch.market_is_spot(markets[pair])
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def test_has_validations(self, exchange: EXCHANGE_FIXTURE_TYPE):
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exch, exchangename = exchange
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exch.validate_ordertypes({
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'entry': 'limit',
'exit': 'limit',
'stoploss': 'limit',
})
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if exchangename == 'gate':
# gate doesn't have market orders on spot
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return
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exch.validate_ordertypes({
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'entry': 'market',
'exit': 'market',
'stoploss': 'market',
})
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def test_load_markets_futures(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
exchange, exchangename = exchange_futures
if not exchange:
# exchange_futures only returns values for supported exchanges
return
pair = EXCHANGES[exchangename]['pair']
pair = EXCHANGES[exchangename].get('futures_pair', pair)
markets = exchange.markets
assert pair in markets
assert isinstance(markets[pair], dict)
assert exchange.market_is_future(markets[pair])
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def test_ccxt_order_parse(self, exchange: EXCHANGE_FIXTURE_TYPE):
exch, exchange_name = exchange
if orders := EXCHANGES[exchange_name].get('sample_order'):
for order in orders:
po = exch._api.parse_order(order)
assert isinstance(po['id'], str)
assert po['id'] is not None
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if len(order.keys()) < 5:
# Kucoin case
assert po['status'] == 'closed'
continue
assert po['timestamp'] == 1674493798550
assert isinstance(po['datetime'], str)
assert isinstance(po['timestamp'], int)
assert isinstance(po['price'], float)
assert po['price'] == 15.5
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if po['average'] is not None:
assert isinstance(po['average'], float)
assert po['average'] == 15.5
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assert po['symbol'] == 'SOL/USDT'
assert isinstance(po['amount'], float)
assert po['amount'] == 1.1
assert isinstance(po['status'], str)
else:
pytest.skip(f"No sample order available for exchange {exchange_name}")
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def test_ccxt_fetch_tickers(self, exchange: EXCHANGE_FIXTURE_TYPE):
exch, exchangename = exchange
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pair = EXCHANGES[exchangename]['pair']
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tickers = exch.get_tickers()
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assert pair in tickers
assert 'ask' in tickers[pair]
assert tickers[pair]['ask'] is not None
assert 'bid' in tickers[pair]
assert tickers[pair]['bid'] is not None
assert 'quoteVolume' in tickers[pair]
if EXCHANGES[exchangename].get('hasQuoteVolume'):
assert tickers[pair]['quoteVolume'] is not None
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def test_ccxt_fetch_tickers_futures(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
exch, exchangename = exchange_futures
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if not exch or exchangename in ('gate'):
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# exchange_futures only returns values for supported exchanges
return
pair = EXCHANGES[exchangename]['pair']
pair = EXCHANGES[exchangename].get('futures_pair', pair)
tickers = exch.get_tickers()
assert pair in tickers
assert 'ask' in tickers[pair]
assert tickers[pair]['ask'] is not None
assert 'bid' in tickers[pair]
assert tickers[pair]['bid'] is not None
assert 'quoteVolume' in tickers[pair]
if EXCHANGES[exchangename].get('hasQuoteVolumeFutures'):
assert tickers[pair]['quoteVolume'] is not None
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def test_ccxt_fetch_ticker(self, exchange: EXCHANGE_FIXTURE_TYPE):
exch, exchangename = exchange
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pair = EXCHANGES[exchangename]['pair']
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ticker = exch.fetch_ticker(pair)
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assert 'ask' in ticker
assert ticker['ask'] is not None
assert 'bid' in ticker
assert ticker['bid'] is not None
assert 'quoteVolume' in ticker
if EXCHANGES[exchangename].get('hasQuoteVolume'):
assert ticker['quoteVolume'] is not None
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def test_ccxt_fetch_l2_orderbook(self, exchange: EXCHANGE_FIXTURE_TYPE):
exch, exchangename = exchange
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pair = EXCHANGES[exchangename]['pair']
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l2 = exch.fetch_l2_order_book(pair)
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assert 'asks' in l2
assert 'bids' in l2
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assert len(l2['asks']) >= 1
assert len(l2['bids']) >= 1
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l2_limit_range = exch._ft_has['l2_limit_range']
l2_limit_range_required = exch._ft_has['l2_limit_range_required']
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if exchangename == 'gate':
# TODO: Gate is unstable here at the moment, ignoring the limit partially.
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return
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for val in [1, 2, 5, 25, 50, 100]:
if val > 50 and exchangename == 'bybit':
continue
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l2 = exch.fetch_l2_order_book(pair, val)
if not l2_limit_range or val in l2_limit_range:
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if val > 50:
# Orderbooks are not always this deep.
assert val - 5 < len(l2['asks']) <= val
assert val - 5 < len(l2['bids']) <= val
else:
assert len(l2['asks']) == val
assert len(l2['bids']) == val
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else:
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next_limit = exch.get_next_limit_in_list(
val, l2_limit_range, l2_limit_range_required)
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if next_limit is None:
assert len(l2['asks']) > 100
assert len(l2['asks']) > 100
elif next_limit > 200:
# Large orderbook sizes can be a problem for some exchanges (bitrex ...)
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assert len(l2['asks']) > 200
assert len(l2['asks']) > 200
else:
assert len(l2['asks']) == next_limit
assert len(l2['asks']) == next_limit
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def test_ccxt_fetch_ohlcv(self, exchange: EXCHANGE_FIXTURE_TYPE):
exch, exchangename = exchange
pair = EXCHANGES[exchangename]['pair']
timeframe = EXCHANGES[exchangename]['timeframe']
pair_tf = (pair, timeframe, CandleType.SPOT)
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ohlcv = exch.refresh_latest_ohlcv([pair_tf])
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assert isinstance(ohlcv, dict)
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assert len(ohlcv[pair_tf]) == len(exch.klines(pair_tf))
# assert len(exch.klines(pair_tf)) > 200
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# Assume 90% uptime ...
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assert len(exch.klines(pair_tf)) > exch.ohlcv_candle_limit(
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timeframe, CandleType.SPOT) * 0.90
# Check if last-timeframe is within the last 2 intervals
now = datetime.now(timezone.utc) - timedelta(minutes=(timeframe_to_minutes(timeframe) * 2))
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assert exch.klines(pair_tf).iloc[-1]['date'] >= timeframe_to_prev_date(timeframe, now)
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def ccxt__async_get_candle_history(self, exchange, exchangename, pair, timeframe, candle_type):
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timeframe_ms = timeframe_to_msecs(timeframe)
now = timeframe_to_prev_date(
timeframe, datetime.now(timezone.utc))
for offset in (360, 120, 30, 10, 5, 2):
since = now - timedelta(days=offset)
since_ms = int(since.timestamp() * 1000)
res = exchange.loop.run_until_complete(exchange._async_get_candle_history(
pair=pair,
timeframe=timeframe,
since_ms=since_ms,
candle_type=candle_type
)
)
assert res
assert res[0] == pair
assert res[1] == timeframe
assert res[2] == candle_type
candles = res[3]
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factor = 0.9
candle_count = exchange.ohlcv_candle_limit(timeframe, candle_type, since_ms) * factor
candle_count1 = (now.timestamp() * 1000 - since_ms) // timeframe_ms * factor
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assert len(candles) >= min(candle_count, candle_count1), \
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f"{len(candles)} < {candle_count} in {timeframe}, Offset: {offset} {factor}"
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assert candles[0][0] == since_ms or (since_ms + timeframe_ms)
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def test_ccxt__async_get_candle_history(self, exchange: EXCHANGE_FIXTURE_TYPE):
exc, exchangename = exchange
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if exchangename in ('bittrex'):
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# For some weired reason, this test returns random lengths for bittrex.
pytest.skip("Exchange doesn't provide stable ohlcv history")
if not exc._ft_has['ohlcv_has_history']:
pytest.skip("Exchange does not support candle history")
pair = EXCHANGES[exchangename]['pair']
timeframe = EXCHANGES[exchangename]['timeframe']
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self.ccxt__async_get_candle_history(
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exc, exchangename, pair, timeframe, CandleType.SPOT)
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def test_ccxt__async_get_candle_history_futures(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
exchange, exchangename = exchange_futures
if not exchange:
# exchange_futures only returns values for supported exchanges
return
pair = EXCHANGES[exchangename].get('futures_pair', EXCHANGES[exchangename]['pair'])
timeframe = EXCHANGES[exchangename]['timeframe']
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self.ccxt__async_get_candle_history(
exchange, exchangename, pair, timeframe, CandleType.FUTURES)
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def test_ccxt_fetch_funding_rate_history(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
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exchange, exchangename = exchange_futures
if not exchange:
# exchange_futures only returns values for supported exchanges
return
pair = EXCHANGES[exchangename].get('futures_pair', EXCHANGES[exchangename]['pair'])
since = int((datetime.now(timezone.utc) - timedelta(days=5)).timestamp() * 1000)
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timeframe_ff = exchange._ft_has.get('funding_fee_timeframe',
exchange._ft_has['mark_ohlcv_timeframe'])
pair_tf = (pair, timeframe_ff, CandleType.FUNDING_RATE)
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funding_ohlcv = exchange.refresh_latest_ohlcv(
[pair_tf],
since_ms=since,
drop_incomplete=False)
assert isinstance(funding_ohlcv, dict)
rate = funding_ohlcv[pair_tf]
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this_hour = timeframe_to_prev_date(timeframe_ff)
hour1 = timeframe_to_prev_date(timeframe_ff, this_hour - timedelta(minutes=1))
hour2 = timeframe_to_prev_date(timeframe_ff, hour1 - timedelta(minutes=1))
hour3 = timeframe_to_prev_date(timeframe_ff, hour2 - timedelta(minutes=1))
val0 = rate[rate['date'] == this_hour].iloc[0]['open']
val1 = rate[rate['date'] == hour1].iloc[0]['open']
val2 = rate[rate['date'] == hour2].iloc[0]['open']
val3 = rate[rate['date'] == hour3].iloc[0]['open']
# Test For last 4 hours
# Avoids random test-failure when funding-fees are 0 for a few hours.
assert val0 != 0.0 or val1 != 0.0 or val2 != 0.0 or val3 != 0.0
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# We expect funding rates to be different from 0.0 - or moving around.
assert (
rate['open'].max() != 0.0 or rate['open'].min() != 0.0 or
(rate['open'].min() != rate['open'].max())
)
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def test_ccxt_fetch_mark_price_history(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
exchange, exchangename = exchange_futures
if not exchange:
# exchange_futures only returns values for supported exchanges
return
pair = EXCHANGES[exchangename].get('futures_pair', EXCHANGES[exchangename]['pair'])
since = int((datetime.now(timezone.utc) - timedelta(days=5)).timestamp() * 1000)
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pair_tf = (pair, '1h', CandleType.MARK)
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mark_ohlcv = exchange.refresh_latest_ohlcv(
[pair_tf],
since_ms=since,
drop_incomplete=False)
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assert isinstance(mark_ohlcv, dict)
expected_tf = '1h'
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mark_candles = mark_ohlcv[pair_tf]
this_hour = timeframe_to_prev_date(expected_tf)
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prev_hour = timeframe_to_prev_date(expected_tf, this_hour - timedelta(minutes=1))
assert mark_candles[mark_candles['date'] == prev_hour].iloc[0]['open'] != 0.0
assert mark_candles[mark_candles['date'] == this_hour].iloc[0]['open'] != 0.0
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def test_ccxt__calculate_funding_fees(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
exchange, exchangename = exchange_futures
if not exchange:
# exchange_futures only returns values for supported exchanges
return
pair = EXCHANGES[exchangename].get('futures_pair', EXCHANGES[exchangename]['pair'])
since = datetime.now(timezone.utc) - timedelta(days=5)
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funding_fee = exchange._fetch_and_calculate_funding_fees(
pair, 20, is_short=False, open_date=since)
assert isinstance(funding_fee, float)
# assert funding_fee > 0
# TODO: tests fetch_trades (?)
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def test_ccxt_get_fee(self, exchange: EXCHANGE_FIXTURE_TYPE):
exch, exchangename = exchange
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pair = EXCHANGES[exchangename]['pair']
threshold = 0.01
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assert 0 < exch.get_fee(pair, 'limit', 'buy') < threshold
assert 0 < exch.get_fee(pair, 'limit', 'sell') < threshold
assert 0 < exch.get_fee(pair, 'market', 'buy') < threshold
assert 0 < exch.get_fee(pair, 'market', 'sell') < threshold
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def test_ccxt_get_max_leverage_spot(self, exchange: EXCHANGE_FIXTURE_TYPE):
spot, spot_name = exchange
if spot:
leverage_in_market_spot = EXCHANGES[spot_name].get('leverage_in_spot_market')
if leverage_in_market_spot:
spot_pair = EXCHANGES[spot_name].get('pair', EXCHANGES[spot_name]['pair'])
spot_leverage = spot.get_max_leverage(spot_pair, 20)
assert (isinstance(spot_leverage, float) or isinstance(spot_leverage, int))
assert spot_leverage >= 1.0
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def test_ccxt_get_max_leverage_futures(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
futures, futures_name = exchange_futures
if futures:
leverage_tiers_public = EXCHANGES[futures_name].get('leverage_tiers_public')
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if leverage_tiers_public:
futures_pair = EXCHANGES[futures_name].get(
'futures_pair',
EXCHANGES[futures_name]['pair']
)
futures_leverage = futures.get_max_leverage(futures_pair, 20)
assert (isinstance(futures_leverage, float) or isinstance(futures_leverage, int))
assert futures_leverage >= 1.0
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def test_ccxt_get_contract_size(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
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futures, futures_name = exchange_futures
if futures:
futures_pair = EXCHANGES[futures_name].get(
'futures_pair',
EXCHANGES[futures_name]['pair']
)
contract_size = futures.get_contract_size(futures_pair)
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assert (isinstance(contract_size, float) or isinstance(contract_size, int))
assert contract_size >= 0.0
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def test_ccxt_load_leverage_tiers(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
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futures, futures_name = exchange_futures
if futures and EXCHANGES[futures_name].get('leverage_tiers_public'):
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leverage_tiers = futures.load_leverage_tiers()
futures_pair = EXCHANGES[futures_name].get(
'futures_pair',
EXCHANGES[futures_name]['pair']
)
assert (isinstance(leverage_tiers, dict))
assert futures_pair in leverage_tiers
pair_tiers = leverage_tiers[futures_pair]
assert len(pair_tiers) > 0
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oldLeverage = float('inf')
oldMaintenanceMarginRate = oldminNotional = oldmaxNotional = -1
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for tier in pair_tiers:
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for key in [
'maintenanceMarginRate',
'minNotional',
'maxNotional',
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'maxLeverage'
]:
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assert key in tier
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assert tier[key] >= 0.0
assert tier['maxNotional'] > tier['minNotional']
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assert tier['maxLeverage'] <= oldLeverage
assert tier['maintenanceMarginRate'] >= oldMaintenanceMarginRate
assert tier['minNotional'] > oldminNotional
assert tier['maxNotional'] > oldmaxNotional
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oldLeverage = tier['maxLeverage']
oldMaintenanceMarginRate = tier['maintenanceMarginRate']
oldminNotional = tier['minNotional']
oldmaxNotional = tier['maxNotional']
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def test_ccxt_dry_run_liquidation_price(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
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futures, futures_name = exchange_futures
if futures and EXCHANGES[futures_name].get('leverage_tiers_public'):
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futures_pair = EXCHANGES[futures_name].get(
'futures_pair',
EXCHANGES[futures_name]['pair']
)
liquidation_price = futures.dry_run_liquidation_price(
pair=futures_pair,
open_rate=40000,
is_short=False,
amount=100,
stake_amount=100,
leverage=5,
wallet_balance=100,
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)
assert (isinstance(liquidation_price, float))
assert liquidation_price >= 0.0
liquidation_price = futures.dry_run_liquidation_price(
pair=futures_pair,
open_rate=40000,
is_short=False,
amount=100,
stake_amount=100,
leverage=5,
wallet_balance=100,
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)
assert (isinstance(liquidation_price, float))
assert liquidation_price >= 0.0
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def test_ccxt_get_max_pair_stake_amount(self, exchange_futures: EXCHANGE_FIXTURE_TYPE):
futures, futures_name = exchange_futures
if futures:
futures_pair = EXCHANGES[futures_name].get(
'futures_pair',
EXCHANGES[futures_name]['pair']
)
max_stake_amount = futures.get_max_pair_stake_amount(futures_pair, 40000)
assert (isinstance(max_stake_amount, float))
assert max_stake_amount >= 0.0
def test_private_method_presence(self, exchange: EXCHANGE_FIXTURE_TYPE):
exch, exchangename = exchange
for method in EXCHANGES[exchangename].get('private_methods', []):
assert hasattr(exch._api, method)