show max_stake_amount in API

freqtrade/persistence/trade_model.py

@@ -470,6 +470,7 @@ class LocalTrade():
             'amount': round(self.amount, 8),
             'amount_requested': round(self.amount_requested, 8) if self.amount_requested else None,
             'stake_amount': round(self.stake_amount, 8),
+            'max_stake_amount': round(self.max_stake_amount, 8) if self.max_stake_amount else None,
             'strategy': self.strategy,
             'buy_tag': self.enter_tag,
             'enter_tag': self.enter_tag,

freqtrade/rpc/api_server/api_schemas.py

@@ -217,6 +217,7 @@ class TradeSchema(BaseModel):
     amount: float
     amount_requested: float
     stake_amount: float
+    max_stake_amount: Optional[float]
     strategy: str
     buy_tag: Optional[str]  # Deprecated
     enter_tag: Optional[str]