add test and fix exchange_resolver

.gitignore

@@ -81,6 +81,7 @@ target/
 
 # Jupyter Notebook
 .ipynb_checkpoints
+*.ipynb
 
 # pyenv
 .python-version

freqtrade/freqtradebot.py

@@ -56,7 +56,7 @@ class FreqtradeBot(object):
 
         self.rpc: RPCManager = RPCManager(self)
 
-        exchange_name = self.config.get('exchange', {}).get('name', 'bittrex')
+        exchange_name = self.config.get('exchange', {}).get('name', 'bittrex').title()
         try:
             self.exchange = ExchangeResolver(exchange_name, self.config).exchange
         except ImportError:

freqtrade/resolvers/exchange_resolver.py

@@ -32,23 +32,17 @@ class ExchangeResolver(IResolver):
         :param extra_dir: additional directory to search for the given exchange
         :return: Exchange instance or None
         """
-        current_path = Path(__file__).parent.parent.joinpath('exchange').resolve()
+        abs_path = Path(__file__).parent.parent.joinpath('exchange').resolve()
 
-        abs_paths = [
-            current_path.parent.parent.joinpath('user_data/exchange'),
-            current_path,
-        ]
-
-        for _path in abs_paths:
-            try:
-                exchange = self._search_object(directory=_path, object_type=Exchange,
-                                               object_name=exchange_name,
-                                               kwargs=kwargs)
-                if exchange:
-                    logger.info('Using resolved exchange %s from \'%s\'', exchange_name, _path)
-                    return exchange
-            except FileNotFoundError:
-                logger.warning('Path "%s" does not exist', _path.relative_to(Path.cwd()))
+        try:
+            exchange = self._search_object(directory=abs_path, object_type=Exchange,
+                                           object_name=exchange_name,
+                                           kwargs=kwargs)
+            if exchange:
+                logger.info('Using resolved exchange %s from \'%s\'', exchange_name, abs_path)
+                return exchange
+        except FileNotFoundError:
+            logger.warning('Path "%s" does not exist', abs_path.relative_to(Path.cwd()))
 
         raise ImportError(
             "Impossible to load Exchange '{}'. This class does not exist"

freqtrade/tests/conftest.py

@@ -16,6 +16,7 @@ from freqtrade.data.converter import parse_ticker_dataframe
 from freqtrade.exchange import Exchange
 from freqtrade.edge import Edge, PairInfo
 from freqtrade.freqtradebot import FreqtradeBot
+from freqtrade.resolvers import ExchangeResolver
 
 logging.getLogger('').setLevel(logging.INFO)
 
@@ -49,7 +50,11 @@ def patch_exchange(mocker, api_mock=None, id='bittrex') -> None:
 
 def get_patched_exchange(mocker, config, api_mock=None, id='bittrex') -> Exchange:
     patch_exchange(mocker, api_mock, id)
-    exchange = Exchange(config)
+    config["exchange"]["name"] = id
+    try:
+        exchange = ExchangeResolver(id.title(), config).exchange
+    except ImportError:
+        exchange = Exchange(config)
     return exchange
 
 

freqtrade/tests/exchange/test_exchange.py

@@ -531,6 +531,38 @@ def test_buy_considers_time_in_force(default_conf, mocker):
     assert api_mock.create_order.call_args[0][5] == {'timeInForce': 'ioc'}
 
 
+def test_buy_kraken_trading_agreement(default_conf, mocker):
+    api_mock = MagicMock()
+    order_id = 'test_prod_buy_{}'.format(randint(0, 10 ** 6))
+    order_type = 'market'
+    time_in_force = 'ioc'
+    api_mock.create_order = MagicMock(return_value={
+        'id': order_id,
+        'info': {
+            'foo': 'bar'
+        }
+    })
+    default_conf['dry_run'] = False
+
+    mocker.patch('freqtrade.exchange.Exchange.symbol_amount_prec', lambda s, x, y: y)
+    mocker.patch('freqtrade.exchange.Exchange.symbol_price_prec', lambda s, x, y: y)
+    exchange = get_patched_exchange(mocker, default_conf, api_mock, id="kraken")
+
+    order = exchange.buy(pair='ETH/BTC', ordertype=order_type,
+                         amount=1, rate=200, time_in_force=time_in_force)
+
+    assert 'id' in order
+    assert 'info' in order
+    assert order['id'] == order_id
+    assert api_mock.create_order.call_args[0][0] == 'ETH/BTC'
+    assert api_mock.create_order.call_args[0][1] == order_type
+    assert api_mock.create_order.call_args[0][2] == 'buy'
+    assert api_mock.create_order.call_args[0][3] == 1
+    assert api_mock.create_order.call_args[0][4] is None
+    assert api_mock.create_order.call_args[0][5] == {'timeInForce': 'ioc',
+                                                     'trading_agreement': 'agree'}
+
+
 def test_sell_dry_run(default_conf, mocker):
     default_conf['dry_run'] = True
     exchange = get_patched_exchange(mocker, default_conf)