def init_config(cls):
try:
if cls._data_feeds_override is None:
cls._data_feeds = [
CoinCapDataFeed.get_instance(),
CoinMetricsDataFeed.get_instance()
]
else:
cls._data_feeds = cls._data_feeds_override
# Set default rate and source for token rates globally
fetcher_global_config: List[List[
str,
str]] = global_config_map["exchange_rate_fetcher"].value or []
# Set rate and source for tokens that needs conversion, overwrites global config
rate_conversion_config: List[List[
str, str, str]] = global_config_map[
"exchange_rate_conversion"].value or []
if cls._exchange_rate_config_override is None:
conversion_required = {
e[0]: {
"default": e[1],
"source": e[2]
}
for e in rate_conversion_config
}
global_config = {
e[0]: {
"default": NaN,
"source": e[1]
}
for e in fetcher_global_config
}
else:
conversion_required = cls._exchange_rate_config_override.get(
"conversion_required", {})
global_config = cls._exchange_rate_config_override.get(
"global_config", {})
cls._exchange_rate_config = {
"conversion_required": conversion_required,
"global_config": {
**global_config,
**conversion_required
}
}
cls._exchange_rate = {
k: v["default"]
for k, v in cls._exchange_rate_config["global_config"].items()
}
except Exception:
cls.logger().error(
"Error initiating config for exchange rate conversion.",
exc_info=True)
def test_get_rates(self):
price_dict = CoinMetricsDataFeed.get_instance().price_dict
self.assertTrue(len(price_dict) > 0)
for asset, price in price_dict.items():
self.assertTrue(float(price) > 0)
def tearDownClass(cls):
async_run(CoinMetricsDataFeed.get_instance()._session.close())
def setUpClass(cls):
async_run(CoinMetricsDataFeed.get_instance().fetch_data())