chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
5008 changed files with 910633 additions and 0 deletions
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+/*
+ * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
+ * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
+using QuantConnect.Orders;
+
+namespace QuantConnect.Securities
+{
+    /// <summary>
+    /// Defines the parameters for <see cref="IBuyingPowerModel.GetBuyingPower"/>
+    /// </summary>
+    public class BuyingPowerParameters
+    {
+        /// <summary>
+        /// Gets the security
+        /// </summary>
+        public Security Security { get; }
+
+        /// <summary>
+        /// Gets the algorithm's portfolio
+        /// </summary>
+        public SecurityPortfolioManager Portfolio { get; }
+
+        /// <summary>
+        /// Gets the direction in which buying power is to be computed
+        /// </summary>
+        public OrderDirection Direction { get; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BuyingPowerParameters"/> class
+        /// </summary>
+        /// <param name="portfolio">The algorithm's portfolio</param>
+        /// <param name="security">The security</param>
+        /// <param name="direction">The direction to compute buying power in</param>
+        public BuyingPowerParameters(SecurityPortfolioManager portfolio, Security security, OrderDirection direction)
+        {
+            Portfolio = portfolio;
+            Security = security;
+            Direction = direction;
+        }
+
+        /// <summary>
+        /// Creates the result using the specified buying power
+        /// </summary>
+        /// <param name="buyingPower">The buying power</param>
+        /// <param name="currency">The units the buying power is denominated in</param>
+        /// <returns>The buying power</returns>
+        public BuyingPower Result(decimal buyingPower, string currency)
+        {
+            // TODO: Properly account for 'currency' - not accounted for currently as only performing mechanical refactoring
+            return new BuyingPower(buyingPower);
+        }
+
+        /// <summary>
+        /// Creates the result using the specified buying power in units of the account currency
+        /// </summary>
+        /// <param name="buyingPower">The buying power</param>
+        /// <returns>The buying power</returns>
+        public BuyingPower ResultInAccountCurrency(decimal buyingPower)
+        {
+            return new BuyingPower(buyingPower);
+        }
+    }
+}