Refactor to new version of investing algorithm framework

Author: MDUYN

finterion_investing_algorithm_framework/create_app.py

@@ -2,7 +2,7 @@
 
 from finterion import Finterion
 from investing_algorithm_framework import create_app as framework_create_app, \
-    Task, TimeUnit, App, MarketCredential
+    Task, TimeUnit, App, MarketCredential, AppHook, Algorithm
 
 from finterion_investing_algorithm_framework.market_service import \
     FinterionMarketService
@@ -58,5 +58,11 @@ def run(self, algorithm):
             logger.debug("Pinging Finterion platform")
             client.ping()
 
-    app.add_task(PingTask)
+    class PingAppHook(AppHook):
+
+        def on_run(self, app, algorithm: Algorithm):
+            algorithm.add_task(PingTask)
+
+    # Register the ping task to the algorithm
+    app.after_initialize(PingAppHook())
     return app

finterion_investing_algorithm_framework/market_service.py

@@ -9,7 +9,9 @@
 
 
 class FinterionMarketService(CCXTMarketService):
-
+    """
+    Finterion market service implementation.
+    """
     def cancel_order(self, order, market):
         pass
 
@@ -87,14 +89,14 @@ def get_orders(self, symbol, market, since: datetime = None):
         return [self._convert_order(order) for order in orders]
 
     def get_balance(self, market):
+        """
+        Finterion implementation of get_balance.
+        """
         positions = self._finterion.get_positions()
-        entries = {"free": {}}
+        entries = {}
 
         for position in positions:
-            entries[position["symbol"]] = {
-                "free": position["amount"],
-            }
-            entries["free"][position["symbol"]] = float(position["amount"])
+            entries[position["symbol"]] = float(position["amount"])
 
         return entries
 
@@ -176,3 +178,6 @@ def _convert_order(self, finterion_order):
             order.updated_at = parser.parse(finterion_order.get("updated_at"))
 
         return order
+
+    def get_symbols(self, market):
+        return self._finterion.get_supported_symbols()