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test/test3.py

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+import ccxt
+
+# 使用您的配置
+CONFIG = {
+    'apiKey': 'rFdbMs40biKImtwGnQ',
+    'secret': 'JOuEiGT1uCX9l2qbn9uZuZrVFraAZAA59mqY',
+    'verbose': False,
+    'enableRateLimit': True,
+}
+
+def place_contract_market_order(symbol, side, amount, position_side=None, leverage=10):
+    """
+    在Bybit合约市场下市价单
+    
+    Args:
+        symbol: 交易对，例如 'BTC/USDT:USDT'
+        side: 方向 'buy' 或 'sell'
+        amount: 合约数量
+        position_side: 持仓方向 'long' 或 'short'，None为自动判断
+        leverage: 杠杆倍数
+    """
+    try:
+        # 创建交易所实例
+        exchange = ccxt.bybit({
+            'apiKey': CONFIG['apiKey'],
+            'secret': CONFIG['secret'],
+            'sandbox': False,  # 使用实盘，测试网改为 True
+            'verbose': CONFIG['verbose'],
+            'enableRateLimit': CONFIG['enableRateLimit'],
+            'options': {
+                'defaultType': 'swap',  # 使用合约交易
+            }
+        })
+        exchange.enable_demo_trading(True)  # 模拟交易
+        
+        # 设置杠杆
+        exchange.set_leverage(leverage, symbol)
+        
+        # 下市价单
+        params = {}
+        if position_side:
+            params['positionSide'] = position_side
+            
+        order = exchange.create_order(
+            symbol=symbol,
+            type='market',
+            side=side,
+            amount=amount,
+            params=params
+        )
+        
+        print("合约市价单创建成功!")
+        print(f"订单ID: {order['id']}")
+        print(f"交易对: {order['symbol']}")
+        print(f"方向: {order['side']}")
+        print(f"数量: {order['amount']}")
+        print(f"状态: {order['status']}")
+        
+        return order
+        
+    except Exception as e:
+        print(f"合约下单失败: {e}")
+        return None
+
+def place_contract_market_order_with_cost(symbol, side, cost, leverage=10):
+    """
+    按金额下合约市价单
+    
+    Args:
+        symbol: 交易对
+        side: 方向
+        cost: 投入金额(USDT)
+        leverage: 杠杆倍数
+    """
+    try:
+        exchange = ccxt.bybit({
+            'apiKey': CONFIG['apiKey'],
+            'secret': CONFIG['secret'],
+            'sandbox': False,
+            'options': {'defaultType': 'swap'}
+        })
+        
+        # 获取当前价格
+        ticker = exchange.fetch_ticker(symbol)
+        current_price = ticker['last']
+        
+        # 计算合约数量
+        amount = cost * leverage / current_price
+        
+        return place_contract_market_order(symbol, side, amount, leverage=leverage)
+        
+    except Exception as e:
+        print(f"按金额下单失败: {e}")
+        return None
+
+# 使用示例
+if __name__ == "__main__":
+    # 示例1：直接按数量下单
+    print("=== 按数量下单 ===")
+    symbol = 'BTC/USDT:USDT'  # 永续合约
+    side = 'buy'  # 开多单
+    amount = 0.01  # 合约数量
+    
+    order_result = place_contract_market_order(symbol, side, amount, leverage=20)
+    
+    # 示例2：按金额下单
+    print("\n=== 按金额下单 ===")
+    cost = 100  # 投入100 USDT
+    order_result2 = place_contract_market_order_with_cost(symbol, 'sell', cost, leverage=10)
+    
+    # 示例3：指定持仓方向
+    print("\n=== 指定持仓方向下单 ===")
+    order_result3 = place_contract_market_order(
+        symbol='ETH/USDT:USDT',
+        side='buy',
+        amount=0.1,
+        position_side='long',  # 明确开多仓
+        leverage=15
+    )