replace get_ticker with get_orderbook

freqtrade/exchange/__init__.py

@@ -1,6 +1,6 @@
 import enum
 import logging
-from typing import List
+from typing import List, Optional, Dict
 
 import arrow
 
@@ -85,8 +85,8 @@ def get_balance(currency: str) -> float:
     return EXCHANGE.get_balance(currency)
 
 
-def get_ticker(pair: str) -> dict:
-    return EXCHANGE.get_ticker(pair)
+def get_orderbook(pair: str, top_most: Optional[int] = None) -> Dict[str, List[Dict]]:
+    return EXCHANGE.get_orderbook(pair, top_most)
 
 
 def get_ticker_history(pair: str, minimum_date: arrow.Arrow):

freqtrade/exchange/bittrex.py

@@ -1,5 +1,5 @@
 import logging
-from typing import List, Optional
+from typing import List, Optional, Dict
 
 import arrow
 from bittrex.bittrex import Bittrex as _Bittrex, API_V2_0
@@ -56,14 +56,13 @@ class Bittrex(Exchange):
             raise RuntimeError('{}: {}'.format(self.name.upper(), data['message']))
         return float(data['result']['Balance'] or 0.0)
 
-    def get_ticker(self, pair: str) -> dict:
-        data = _API.get_ticker(pair.replace('_', '-'))
+    def get_orderbook(self, pair: str, top_most: Optional[int] = None) -> Dict[str, List[Dict]]:
+        data = _API.get_orderbook(pair.replace('_', '-'))
         if not data['success']:
             raise RuntimeError('{}: {}'.format(self.name.upper(), data['message']))
         return {
-            'bid': float(data['result']['Bid']),
-            'ask': float(data['result']['Ask']),
-            'last': float(data['result']['Last']),
+            'bid': data['result']['buy'][:top_most],
+            'ask': data['result']['sell'][:top_most],
         }
 
     def get_ticker_history(self, pair: str, minimum_date: Optional[arrow.Arrow] = None):

freqtrade/exchange/interface.py

@@ -1,5 +1,5 @@
 from abc import ABC, abstractmethod
-from typing import List, Optional
+from typing import List, Optional, Dict
 
 import arrow
 
@@ -50,14 +50,26 @@ class Exchange(ABC):
         """
 
     @abstractmethod
-    def get_ticker(self, pair: str) -> dict:
+    def get_orderbook(self, pair: str, top_most: Optional[int] = None) -> Dict[str, List[Dict]]:
         """
-        Gets ticker for given pair.
+        Gets orderbook for given pair.
         :param pair: Pair as str, format: BTC_ETC
+        :param top_most: only return n top_most bids/sells (optional)
         :return: dict, format: {
-            'bid': float,
-            'ask': float,
-            'last': float
+            'bid': [
+                {
+                    'Quantity': float,
+                    'Rate': float,
+                },
+                ...
+            ],
+            'ask': [
+                {
+                    'Quantity': float,
+                    'Rate': float,
+                },
+                ...
+            ]
         }
         """