Fix wrong estimated output from /balance endpoints

freqtrade/rpc/rpc.py

@@ -586,6 +586,9 @@ class RPC:
             if coin == stake_currency:
                 rate = 1.0
                 est_stake = balance.total
+                if self._config.get('trading_mode', TradingMode.SPOT) != TradingMode.SPOT:
+                    # in Futures, "total" includes the locked stake, and therefore all positions
+                    est_stake = balance.free
             else:
                 try:
                     pair = self._freqtrade.exchange.get_valid_pair_combination(coin, stake_currency)
@@ -614,6 +617,7 @@ class RPC:
         symbol: str
         position: PositionWallet
         for symbol, position in self._freqtrade.wallets.get_all_positions().items():
+            total += position.collateral
 
             currencies.append({
                 'currency': symbol,

tests/rpc/test_rpc.py

@@ -650,8 +650,8 @@ def test_rpc_balance_handle(default_conf, mocker, tickers):
     rpc._fiat_converter = CryptoToFiatConverter()
 
     result = rpc._rpc_balance(default_conf['stake_currency'], default_conf['fiat_display_currency'])
-    assert prec_satoshi(result['total'], 12.309096315)
-    assert prec_satoshi(result['value'], 184636.44472997)
+    assert prec_satoshi(result['total'], 30.309096315)
+    assert prec_satoshi(result['value'], 454636.44472997)
     assert tickers.call_count == 1
     assert tickers.call_args_list[0][1]['cached'] is True
     assert 'USD' == result['symbol']
@@ -661,7 +661,7 @@ def test_rpc_balance_handle(default_conf, mocker, tickers):
             'free': 10.0,
             'balance': 12.0,
             'used': 2.0,
-            'est_stake': 12.0,
+            'est_stake': 10.0,  # In futures mode, "free" is used here.
             'stake': 'BTC',
             'is_position': False,
             'leverage': 1.0,
@@ -706,7 +706,6 @@ def test_rpc_balance_handle(default_conf, mocker, tickers):
             'side': 'short',
         }
     ]
-    assert result['total'] == 12.309096315331816
 
 
 def test_rpc_start(mocker, default_conf) -> None: