chore: Add cryptocom base exchange class

adjust candle-limit to the appropriate number

freqtrade/exchange/__init__.py

@@ -11,6 +11,7 @@ from freqtrade.exchange.bitpanda import Bitpanda
 from freqtrade.exchange.bitvavo import Bitvavo
 from freqtrade.exchange.bybit import Bybit
 from freqtrade.exchange.coinbasepro import Coinbasepro
+from freqtrade.exchange.cryptocom import Cryptocom
 from freqtrade.exchange.exchange_utils import (
     ROUND_DOWN,
     ROUND_UP,

freqtrade/exchange/cryptocom.py

@@ -0,0 +1,20 @@
+"""Crypto.com exchange subclass"""
+
+import logging
+from typing import Dict
+
+from freqtrade.exchange import Exchange
+
+
+logger = logging.getLogger(__name__)
+
+
+class Cryptocom(Exchange):
+    """
+    Crypto.com exchange class. Contains adjustments needed for Freqtrade to work
+    with this exchange.
+    """
+
+    _ft_has: Dict = {
+        "ohlcv_candle_limit": 300,
+    }