move exchange urls to constants

freqtrade/constants.py

@@ -22,6 +22,12 @@ ORDERTIF_POSSIBILITIES = ['gtc', 'fok', 'ioc']
 AVAILABLE_PAIRLISTS = ['StaticPairList', 'VolumePairList']
 DRY_RUN_WALLET = 999.9
 
+# Urls to exchange markets, insert quote and base with .format()
+_EXCHANGE_URLS = {
+    "Bittrex": '/Market/Index?MarketName={quote}-{base}',
+    "Binance": '/tradeDetail.html?symbol={base}_{quote}',
+}
+
 TICKER_INTERVAL_MINUTES = {
     '1m': 1,
     '3m': 3,

freqtrade/exchange/exchange.py

@@ -21,13 +21,6 @@ logger = logging.getLogger(__name__)
 API_RETRY_COUNT = 4
 
 
-# Urls to exchange markets, insert quote and base with .format()
-_EXCHANGE_URLS = {
-    ccxt.bittrex.__name__: '/Market/Index?MarketName={quote}-{base}',
-    ccxt.binance.__name__: '/tradeDetail.html?symbol={base}_{quote}',
-}
-
-
 def retrier_async(f):
     async def wrapper(*args, **kwargs):
         count = kwargs.pop('count', API_RETRY_COUNT)