fix issue

freqtrade/templates/smartbbgrid.py

@@ -66,7 +66,7 @@ class SmartBBGrid(IStrategy):
         TARGET_ORDERS_PER_PAIR = 27  # 中位数
 
         # 1. 拿到当前钱包总余额
-        total_balance = self.wallets.get_total_stake_amount()
+        total_balance = self.wallets.get_total('stake')
 
         # 2. 定义每个币对的资金占比
         weights = {
@@ -78,8 +78,15 @@ class SmartBBGrid(IStrategy):
         # 3. 该币对应该占的总金额
         target_for_this_pair = total_balance * weights.get(pair, 0.33)
 
-        # 4. 该币对已经占了多少
-        used_for_this_pair = self.wallets.get_used_for_pair(pair)
+        # 4. 该币对已经占了多少（通过遍历 self.trades）
+        used_for_this_pair = 0
+        for trade in self.trades:
+            if trade.pair == pair and not trade.is_open:
+                # 已平仓的订单不算
+                continue
+            if trade.pair == pair:
+                # 计算该订单占用的资金
+                used_for_this_pair += trade.stake_amount
 
         # 5. 还剩多少可以投入
         available = target_for_this_pair - used_for_this_pair