Allow user to go live and start from pretrained models (after a completed backtest) by simply reusing the identifier config parameter while dry/live.

config_examples/config_freqai.example.json

@@ -55,10 +55,9 @@
             "15m"
         ],
         "train_period": 30,
-        "backtest_period": 7,
+        "backtest_period": 10,
         "identifier": "example",
-        "live_trained_timerange": "",
+        "live_trained_timestamp": 0,
-        "live_full_backtestrange": "",
         "corr_pairlist": [
             "BTC/USDT",
             "ETH/USDT",

docs/freqai.md

@@ -158,7 +158,7 @@ a specific pair or timeframe, they should use the following structure inside `po
         if pair == metadata['pair'] and tf == self.timeframe:
             df['%-day_of_week'] = (df["date"].dt.dayofweek + 1) / 7
             df['%-hour_of_day'] = (df['date'].dt.hour + 1) / 25
-
+```
 
 (Please see the example script located in `freqtrade/templates/FreqaiExampleStrategy.py` for a full example of `populate_any_indicators()`)
 
@@ -270,27 +270,22 @@ freqtrade trade --strategy FreqaiExampleStrategy --config config_freqai.example.
 By default, Freqai will not find find any existing models and will start by training a new one 
 given the user configuration settings. Following training, it will use that model to predict for the
 duration of `backtest_period`. After a full `backtest_period` has elapsed, Freqai will auto retrain 
-a new model, and begin making predictions with the updated model.
+a new model, and begin making predictions with the updated model. FreqAI in live mode permits
+the user to use fractional days (i.e. 0.1) in the `backtest_period`, which enables more frequent 
+retraining. 
 
-If the user wishes to start dry/live from a saved model, the following configuration 
+If the user wishes to start dry/live from a backtested saved model, the user only needs to reuse
-parameters need to be set:
+the same `identifier` parameter
 
 ```json
     "freqai": {
         "identifier": "example",
-        "live_trained_timerange": "20220330-20220429",
-        "live_full_backtestrange": "20220302-20220501"
     }
 ```
 
-Where the `identifier` is the same identifier which was set during the backtesting/training. Meanwhile,
+In this case, although Freqai will initiate with a 
-the `live_trained_timerange` is the sub-trained timerange (the training window) which was set 
+pre-trained model, it will still check to see how much time has elapsed since the model was trained,
-during backtesting/training. These are available to the user inside `user_data/models/*/sub-train-*`. 
+and if a full `backtest_period` has elapsed since the end of the loaded model, FreqAI will self retrain.
-`live_full_backtestrange` was the full data range associated with the backtest/training (the full time 
-window that the training window and backtesting windows slide through). These values can be located 
-inside the `user_data/models/` directory. In this case, although Freqai will initiate with a 
-pre-trained model, if a full `backtest_period` has elapsed since the end of the user set 
-`live_trained_timerange`, it will self retrain.
 
 ## Data anylsis techniques
 

freqtrade/constants.py

@@ -440,15 +440,13 @@ CONF_SCHEMA = {
                 "train_period": {"type": "integer", "default": 0},
                 "backtest_period": {"type": "float", "default": 7},
                 "identifier": {"type": "str", "default": "example"},
-                "live_trained_timerange": {"type": "str"},
-                "live_full_backtestrange": {"type": "str"},
                 "corr_pairlist": {"type": "list"},
                 "feature_parameters": {
                     "type": "object",
                     "properties": {
                         "period": {"type": "integer"},
                         "shift": {"type": "integer", "default": 0},
-                        "DI_threshold": {"type": "integer", "default": 0},
+                        "DI_threshold": {"type": "float", "default": 0},
                         "weight_factor": {"type": "number", "default": 0},
                         "principal_component_analysis": {"type": "boolean", "default": False},
                         "use_SVM_to_remove_outliers": {"type": "boolean", "default": False},

freqtrade/freqai/data_kitchen.py

@@ -74,8 +74,7 @@ class FreqaiDataKitchen:
     def set_paths(self, metadata: dict, trained_timestamp: int = None,) -> None:
         self.full_path = Path(self.config['user_data_dir'] /
                               "models" /
-                              str(self.freqai_config.get('live_full_backtestrange') +
+                              str(self.freqai_config.get('identifier')))
-                                  self.freqai_config.get('identifier')))
 
         self.data_path = Path(self.full_path / str("sub-train" + "-" +
                                                    metadata['pair'].split("/")[0] +
@@ -114,7 +113,7 @@ class FreqaiDataKitchen:
             save_path / str(self.model_filename + "_trained_df.pkl")
         )
 
-        if self.live:
+        # if self.live:
         self.data_drawer.model_dictionary[self.model_filename] = model
         self.data_drawer.pair_dict[coin]['model_filename'] = self.model_filename
         self.data_drawer.pair_dict[coin]['data_path'] = str(self.data_path)
@@ -142,7 +141,7 @@ class FreqaiDataKitchen:
         :model: User trained model which can be inferenced for new predictions
         """
 
-        if self.live:
+        # if self.live:
         self.model_filename = self.data_drawer.pair_dict[coin]['model_filename']
         self.data_path = Path(self.data_drawer.pair_dict[coin]['data_path'])
 
@@ -696,7 +695,7 @@ class FreqaiDataKitchen:
         self.full_path = Path(
             self.config["user_data_dir"]
             / "models"
-            / str(full_timerange + self.freqai_config.get("identifier"))
+            / str(self.freqai_config.get("identifier"))
         )
 
         config_path = Path(self.config["config_files"][0])
@@ -750,10 +749,10 @@ class FreqaiDataKitchen:
                               str(int(trained_timerange.stopts))))
 
         self.model_filename = "cb_" + coin.lower() + "_" + str(int(trained_timerange.stopts))
-        # this is not persistent at the moment TODO
+
-        self.freqai_config['live_trained_timerange'] = str(int(trained_timerange.stopts))
+        # self.freqai_config['live_trained_timerange'] = str(int(trained_timerange.stopts))
         # enables persistence, but not fully implemented into save/load data yer
-        self.data['live_trained_timerange'] = str(int(trained_timerange.stopts))
+        # self.data['live_trained_timerange'] = str(int(trained_timerange.stopts))
 
     def download_new_data_for_retraining(self, timerange: TimeRange, metadata: dict) -> None:
 

freqtrade/freqai/freqai_interface.py

@@ -77,13 +77,13 @@ class IFreqaiModel(ABC):
         """
 
         self.live = strategy.dp.runmode in (RunMode.DRY_RUN, RunMode.LIVE)
+        self.data_drawer.set_pair_dict_info(metadata)
 
         # For live, we may be training new models on a separate thread while other pairs still need
         # to inference their historical models. Here we use a training queue system to handle this
         # and we keep the flag self.training_on_separate_threaad in the current object to help
         # determine what the current pair will do
         if self.live:
-            self.data_drawer.set_pair_dict_info(metadata)
             if (not self.training_on_separate_thread and
                     self.data_drawer.training_queue == 1):
 
@@ -137,6 +137,7 @@ class IFreqaiModel(ABC):
         for tr_train, tr_backtest in zip(
             dh.training_timeranges, dh.backtesting_timeranges
         ):
+            (_, _, _) = self.data_drawer.get_pair_dict_info(metadata)
             gc.collect()
             dh.data = {}  # clean the pair specific data between training window sliding
             self.training_timerange = tr_train
@@ -150,9 +151,12 @@ class IFreqaiModel(ABC):
             if not self.model_exists(metadata["pair"], dh,
                                      trained_timestamp=trained_timestamp.stopts):
                 self.model = self.train(dataframe_train, metadata, dh)
-                dh.save_data(self.model)
+                self.data_drawer.pair_dict[metadata['pair']][
+                                        'trained_timestamp'] = trained_timestamp.stopts
+                dh.set_new_model_names(metadata, trained_timestamp)
+                dh.save_data(self.model, metadata['pair'])
             else:
-                self.model = dh.load_data()
+                self.model = dh.load_data(metadata['pair'])
 
                 # strategy_provided_features = self.dh.find_features(dataframe_train)
                 # # FIXME doesnt work with PCA
@@ -295,8 +299,7 @@ class IFreqaiModel(ABC):
     def set_full_path(self) -> None:
         self.full_path = Path(self.config['user_data_dir'] /
                               "models" /
-                              str(self.freqai_info.get('live_full_backtestrange') +
+                              str(self.freqai_info.get('identifier')))
-                                  self.freqai_info.get('identifier')))
 
     @threaded
     def retrain_model_on_separate_thread(self, new_trained_timerange: TimeRange, metadata: dict,