chore: use ccxt's "set_markets_from_exchange" instead of manual logic

Author: xmatthias

freqtrade/exchange/exchange.py

@@ -692,12 +692,13 @@ def reload_markets(self, force: bool = False, *, load_leverage_tiers: bool = Tru
             # Reload async markets, then assign them to sync api
             retrier(self._load_async_markets, retries=retries)(reload=True)
             self._markets = self._api_async.markets
-            self._api.set_markets(self._api_async.markets, self._api_async.currencies)
+            self._api.set_markets_from_exchange(self._api_async)
             # Assign options array, as it contains some temporary information from the exchange.
+            # TODO: investigate with ccxt if it's safe to remove `.options`
             self._api.options = self._api_async.options
             if self._exchange_ws:
                 # Set markets to avoid reloading on websocket api
-                self._ws_async.set_markets(self._api.markets, self._api.currencies)
+                self._ws_async.set_markets_from_exchange(self._api_async)
                 self._ws_async.options = self._api.options
             self._last_markets_refresh = dt_ts()