chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
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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 System;
+using System.Linq;
+using QuantConnect.Util;
+using QuantConnect.Data;
+using QuantConnect.Orders;
+using QuantConnect.Interfaces;
+using QuantConnect.Brokerages;
+using System.Collections.Generic;
+
+namespace QuantConnect.Algorithm.CSharp
+{
+    /// <summary>
+    /// Base crypto account regression algorithm trading in and out
+    /// </summary>
+    public abstract class CryptoBaseCurrencyFeeRegressionAlgorithm : QCAlgorithm, IRegressionAlgorithmDefinition
+    {
+        private Symbol _symbol;
+
+        /// <summary>
+        /// The target account type
+        /// </summary>
+        protected abstract  AccountType AccountType { get; }
+
+        /// <summary>
+        /// The target brokerage model name
+        /// </summary>
+        protected BrokerageName BrokerageName { get; set; }
+
+        /// <summary>
+        /// The pair to add and trade
+        /// </summary>
+        protected string Pair { get; set; }
+
+        /// <summary>
+        /// Initialise the data and resolution required, as well as the cash and start-end dates for your algorithm. All algorithms must initialized.
+        /// </summary>
+        public override void Initialize()
+        {
+            SetBrokerageModel(BrokerageName, AccountType);
+            _symbol = AddCrypto(Pair, Resolution.Hour).Symbol;
+        }
+
+        /// <summary>
+        /// OnData event is the primary entry point for your algorithm. Each new data point will be pumped in here.
+        /// </summary>
+        /// <param name="slice">Slice object keyed by symbol containing the stock data</param>
+        public override void OnData(Slice slice)
+        {
+            if (!Portfolio.Invested)
+            {
+                CurrencyPairUtil.DecomposeCurrencyPair(_symbol, out var baseCurrency, out var quoteCurrency);
+
+                var initialQuoteCurrency = Portfolio.CashBook[quoteCurrency].Amount;
+                var ticket = Buy(_symbol, 0.1m);
+                var filledEvent = ticket.OrderEvents.Single(orderEvent => orderEvent.Status == OrderStatus.Filled);
+
+                if (Portfolio.CashBook[baseCurrency].Amount != ticket.QuantityFilled
+                    || filledEvent.FillQuantity != ticket.QuantityFilled
+                    || (0.1m - filledEvent.OrderFee.Value.Amount) != ticket.QuantityFilled)
+                {
+                    throw new RegressionTestException($"Unexpected BaseCurrency portfolio status. Event {filledEvent}. CashBook: {Portfolio.CashBook}. ");
+                }
+
+                if (Portfolio.CashBook[quoteCurrency].Amount != (initialQuoteCurrency - 0.1m * filledEvent.FillPrice))
+                {
+                    throw new RegressionTestException($"Unexpected QuoteCurrency portfolio status. Event {filledEvent}. CashBook: {Portfolio.CashBook}. ");
+                }
+
+                if (Securities[_symbol].Holdings.Quantity != (0.1m - filledEvent.OrderFee.Value.Amount))
+                {
+                    throw new RegressionTestException($"Unexpected Holdings: {Securities[_symbol].Holdings}. Event {filledEvent}");
+                }
+            }
+            else
+            {
+                Liquidate();
+            }
+        }
+
+        /// <summary>
+        /// This is used by the regression test system to indicate if the open source Lean repository has the required data to run this algorithm.
+        /// </summary>
+        public bool CanRunLocally { get; } = true;
+
+        /// <summary>
+        /// This is used by the regression test system to indicate which languages this algorithm is written in.
+        /// </summary>
+        public List<Language> Languages { get; } = new() { Language.CSharp };
+
+        /// <summary>
+        /// Data Points count of all timeslices of algorithm
+        /// </summary>
+        public virtual long DataPoints => 0;
+
+        /// </summary>
+        /// Data Points count of the algorithm history
+        /// </summary>
+        public virtual int AlgorithmHistoryDataPoints => 0;
+
+        /// <summary>
+        /// Final status of the algorithm
+        /// </summary>
+        public AlgorithmStatus AlgorithmStatus => AlgorithmStatus.Completed;
+
+        /// <summary>
+        /// This is used by the regression test system to indicate what the expected statistics are from running the algorithm
+        /// </summary>
+        public abstract Dictionary<string, string> ExpectedStatistics { get; }
+    }
+}