rpc refactor 8/

freqtrade/rpc/__init__.py

@@ -380,6 +380,7 @@ def rpc_stop():
         return (True, '*Status:* `already stopped`')
 
 
+# FIX: no test for this!!!!
 def rpc_forcesell(trade_id) -> None:
     """
     Handler for forcesell <id>.
@@ -405,3 +406,25 @@ def rpc_forcesell(trade_id) -> None:
         return (True, 'Invalid argument. See `/help` to view usage')
 
     _exec_forcesell(trade)
+
+
+def rpc_performance() -> None:
+    """
+    Handler for performance.
+    Shows a performance statistic from finished trades
+    """
+    if get_state() != State.RUNNING:
+        return (True, '`trader is not running`')
+
+    pair_rates = Trade.session.query(Trade.pair,
+                                     sql.func.sum(Trade.close_profit).label('profit_sum'),
+                                     sql.func.count(Trade.pair).label('count')) \
+        .filter(Trade.is_open.is_(False)) \
+        .group_by(Trade.pair) \
+        .order_by(sql.text('profit_sum DESC')) \
+        .all()
+    trades = []
+    for (pair, rate, count) in pair_rates:
+        trades.append({'pair': pair, 'profit': round(rate * 100, 2), 'count': count})
+
+    return (False, trades)