Merge https://github.com/freqtrade/freqtrade into personal-branch

docs/telegram-usage.md

@@ -171,7 +171,7 @@ official commands. You can ask at any moment for help with `/help`.
 | `/profit [<n>]` | Display a summary of your profit/loss from close trades and some stats about your performance, over the last n days (all trades by default)
 | `/forcesell <trade_id>` | Instantly sells the given trade  (Ignoring `minimum_roi`).
 | `/forcesell all` | Instantly sells all open trades (Ignoring `minimum_roi`).
-| `/forcebuy <pair> [rate]` | Instantly buys the given pair. Rate is optional. (`forcebuy_enable` must be set to True)
+| `/forcebuy <pair> [rate]` | Instantly buys the given pair. Rate is optional and only applies to limit orders. (`forcebuy_enable` must be set to True)
 | `/performance` | Show performance of each finished trade grouped by pair
 | `/balance` | Show account balance per currency
 | `/daily <n>` | Shows profit or loss per day, over the last n days (n defaults to 7)

freqtrade/optimize/hyperopt_tools.py

@@ -1,4 +1,3 @@
-
 import io
 import logging
 from copy import deepcopy
@@ -64,10 +63,11 @@ class HyperoptTools():
             'export_time': datetime.now(timezone.utc),
         }
         logger.info(f"Dumping parameters to {filename}")
-        rapidjson.dump(final_params, filename.open('w'), indent=2,
+        with filename.open('w') as f:
-                       default=hyperopt_serializer,
+            rapidjson.dump(final_params, f, indent=2,
-                       number_mode=rapidjson.NM_NATIVE | rapidjson.NM_NAN
+                           default=hyperopt_serializer,
-                       )
+                           number_mode=rapidjson.NM_NATIVE | rapidjson.NM_NAN
+                           )
 
     @staticmethod
     def try_export_params(config: Dict[str, Any], strategy_name: str, params: Dict):

freqtrade/optimize/space/decimalspace.py

@@ -7,11 +7,15 @@ class SKDecimal(Integer):
     def __init__(self, low, high, decimals=3, prior="uniform", base=10, transform=None,
                  name=None, dtype=np.int64):
         self.decimals = decimals
-        _low = int(low * pow(10, self.decimals))
+
-        _high = int(high * pow(10, self.decimals))
+        self.pow_dot_one = pow(0.1, self.decimals)
+        self.pow_ten = pow(10, self.decimals)
+
+        _low = int(low * self.pow_ten)
+        _high = int(high * self.pow_ten)
         # trunc to precision to avoid points out of space
-        self.low_orig = round(_low * pow(0.1, self.decimals), self.decimals)
+        self.low_orig = round(_low * self.pow_dot_one, self.decimals)
-        self.high_orig = round(_high * pow(0.1, self.decimals), self.decimals)
+        self.high_orig = round(_high * self.pow_dot_one, self.decimals)
 
         super().__init__(_low, _high, prior, base, transform, name, dtype)
 
@@ -25,9 +29,9 @@ class SKDecimal(Integer):
         return self.low_orig <= point <= self.high_orig
 
     def transform(self, Xt):
-        aa = [int(x * pow(10, self.decimals)) for x in Xt]
+        return super().transform([int(v * self.pow_ten) for v in Xt])
-        return super().transform(aa)
 
     def inverse_transform(self, Xt):
         res = super().inverse_transform(Xt)
-        return [round(x * pow(0.1, self.decimals), self.decimals) for x in res]
+        # equivalent to [round(x * pow(0.1, self.decimals), self.decimals) for x in res]
+        return [int(v) / self.pow_ten for v in res]

freqtrade/resolvers/strategy_resolver.py

@@ -56,17 +56,21 @@ class StrategyResolver(IResolver):
         if strategy._ft_params_from_file:
             # Set parameters from Hyperopt results file
             params = strategy._ft_params_from_file
-            strategy.minimal_roi = params.get('roi', strategy.minimal_roi)
+            strategy.minimal_roi = params.get('roi', getattr(strategy, 'minimal_roi', {}))
 
-            strategy.stoploss = params.get('stoploss', {}).get('stoploss', strategy.stoploss)
+            strategy.stoploss = params.get('stoploss', {}).get(
+                'stoploss', getattr(strategy, 'stoploss', -0.1))
             trailing = params.get('trailing', {})
-            strategy.trailing_stop = trailing.get('trailing_stop', strategy.trailing_stop)
+            strategy.trailing_stop = trailing.get(
-            strategy.trailing_stop_positive = trailing.get('trailing_stop_positive',
+                'trailing_stop', getattr(strategy, 'trailing_stop', False))
-                                                           strategy.trailing_stop_positive)
+            strategy.trailing_stop_positive = trailing.get(
+                'trailing_stop_positive', getattr(strategy, 'trailing_stop_positive', None))
             strategy.trailing_stop_positive_offset = trailing.get(
-                'trailing_stop_positive_offset', strategy.trailing_stop_positive_offset)
+                'trailing_stop_positive_offset',
+                getattr(strategy, 'trailing_stop_positive_offset', 0))
             strategy.trailing_only_offset_is_reached = trailing.get(
-                'trailing_only_offset_is_reached', strategy.trailing_only_offset_is_reached)
+                'trailing_only_offset_is_reached',
+                getattr(strategy, 'trailing_only_offset_is_reached', 0.0))
 
         # Set attributes
         # Check if we need to override configuration

freqtrade/rpc/telegram.py

@@ -1033,7 +1033,8 @@ class Telegram(RPCHandler):
         :return: None
         """
         forcebuy_text = ("*/forcebuy <pair> [<rate>]:* `Instantly buys the given pair. "
-                         "Optionally takes a rate at which to buy.` \n")
+                         "Optionally takes a rate at which to buy "
+                         "(only applies to limit orders).` \n")
         message = ("*/start:* `Starts the trader`\n"
                    "*/stop:* `Stops the trader`\n"
                    "*/status <trade_id>|[table]:* `Lists all open trades`\n"

freqtrade/strategy/hyper.py

@@ -381,7 +381,8 @@ class HyperStrategyMixin(object):
         if filename.is_file():
             logger.info(f"Loading parameters from file {filename}")
             try:
-                params = json_load(filename.open('r'))
+                with filename.open('r') as f:
+                    params = json_load(f)
                 if params.get('strategy_name') != self.__class__.__name__:
                     raise OperationalException('Invalid parameter file provided.')
                 return params

freqtrade/strategy/interface.py

@@ -65,9 +65,9 @@ class IStrategy(ABC, HyperStrategyMixin):
     _populate_fun_len: int = 0
     _buy_fun_len: int = 0
     _sell_fun_len: int = 0
-    _ft_params_from_file: Dict = {}
+    _ft_params_from_file: Dict
     # associated minimal roi
-    minimal_roi: Dict
+    minimal_roi: Dict = {}
 
     # associated stoploss
     stoploss: float

requirements.txt

@@ -1,18 +1,18 @@
-numpy==1.21.2
+numpy==1.21.3
 pandas==1.3.4
 pandas-ta==0.3.14b
 
-ccxt==1.58.47
+ccxt==1.59.2
 # Pin cryptography for now due to rust build errors with piwheels
 cryptography==35.0.0
 aiohttp==3.7.4.post0
-SQLAlchemy==1.4.25
+SQLAlchemy==1.4.26
 python-telegram-bot==13.7
-arrow==1.2.0
+arrow==1.2.1
 cachetools==4.2.2
 requests==2.26.0
 urllib3==1.26.7
-jsonschema==4.1.0
+jsonschema==4.1.2
 TA-Lib==0.4.21
 technical==1.3.0
 tabulate==0.8.9
@@ -41,4 +41,4 @@ psutil==5.8.0
 colorama==0.4.4
 # Building config files interactively
 questionary==1.10.0
-prompt-toolkit==3.0.20
+prompt-toolkit==3.0.21

tests/optimize/test_hyperopt_tools.py

@@ -209,7 +209,8 @@ def test_export_params(tmpdir):
 
     assert filename.is_file()
 
-    content = rapidjson.load(filename.open('r'))
+    with filename.open('r') as f:
+        content = rapidjson.load(f)
     assert content['strategy_name'] == 'StrategyTestV2'
     assert 'params' in content
     assert "buy" in content["params"]

tests/strategy/test_strategy_loading.py

@@ -62,8 +62,8 @@ def test_load_strategy(default_conf, result):
 
 
 def test_load_strategy_base64(result, caplog, default_conf):
-    with (Path(__file__).parents[2] / 'freqtrade/templates/sample_strategy.py').open("rb") as file:
+    filepath = Path(__file__).parents[2] / 'freqtrade/templates/sample_strategy.py'
-        encoded_string = urlsafe_b64encode(file.read()).decode("utf-8")
+    encoded_string = urlsafe_b64encode(filepath.read_bytes()).decode("utf-8")
     default_conf.update({'strategy': 'SampleStrategy:{}'.format(encoded_string)})
 
     strategy = StrategyResolver.load_strategy(default_conf)