Move .title to ExchangeResolver (it does not make sense to do this over

and over again)

freqtrade/freqtradebot.py

@@ -53,8 +53,7 @@ class FreqtradeBot(object):
 
         self.rpc: RPCManager = RPCManager(self)
 
-        exchange_name = self.config.get('exchange', {}).get('name').title()
-        self.exchange = ExchangeResolver(exchange_name, self.config).exchange
+        self.exchange = ExchangeResolver(self.config['exchange']['name'], self.config).exchange
 
         self.wallets = Wallets(self.config, self.exchange)
         self.dataprovider = DataProvider(self.config, self.exchange)

freqtrade/optimize/backtesting.py

@@ -63,8 +63,7 @@ class Backtesting(object):
         self.config['dry_run'] = True
         self.strategylist: List[IStrategy] = []
 
-        exchange_name = self.config.get('exchange', {}).get('name').title()
-        self.exchange = ExchangeResolver(exchange_name, self.config).exchange
+        self.exchange = ExchangeResolver(self.config['exchange']['name'], self.config).exchange
         self.fee = self.exchange.get_fee()
 
         if self.config.get('runmode') != RunMode.HYPEROPT:

freqtrade/resolvers/exchange_resolver.py

@@ -22,6 +22,7 @@ class ExchangeResolver(IResolver):
         Load the custom class from config parameter
         :param config: configuration dictionary
         """
+        exchange_name = exchange_name.title()
         try:
             self.exchange = self._load_exchange(exchange_name, kwargs={'config': config})
         except ImportError:

freqtrade/tests/conftest.py

@@ -60,7 +60,7 @@ def get_patched_exchange(mocker, config, api_mock=None, id='bittrex') -> Exchang
     patch_exchange(mocker, api_mock, id)
     config["exchange"]["name"] = id
     try:
-        exchange = ExchangeResolver(id.title(), config).exchange
+        exchange = ExchangeResolver(id, config).exchange
     except ImportError:
         exchange = Exchange(config)
     return exchange

freqtrade/tests/exchange/test_exchange.py

@@ -124,14 +124,14 @@ def test_exchange_resolver(default_conf, mocker, caplog):
                       caplog.record_tuples)
     caplog.clear()
 
-    exchange = ExchangeResolver('Kraken', default_conf).exchange
+    exchange = ExchangeResolver('kraken', default_conf).exchange
     assert isinstance(exchange, Exchange)
     assert isinstance(exchange, Kraken)
     assert not isinstance(exchange, Binance)
     assert not log_has_re(r"No .* specific subclass found. Using the generic class instead.",
                           caplog.record_tuples)
 
-    exchange = ExchangeResolver('Binance', default_conf).exchange
+    exchange = ExchangeResolver('binance', default_conf).exchange
     assert isinstance(exchange, Exchange)
     assert isinstance(exchange, Binance)
     assert not isinstance(exchange, Kraken)

scripts/plot_dataframe.py

@@ -68,8 +68,7 @@ def analyse_and_plot_pairs(config: Dict[str, Any]):
     -Generate plot files
     :return: None
     """
-    exchange_name = config.get('exchange', {}).get('name').title()
-    exchange = ExchangeResolver(exchange_name, config).exchange
+    exchange = ExchangeResolver(config.get('exchange', {}).get('name'), config).exchange
 
     strategy = StrategyResolver(config).strategy
     if "pairs" in config: