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
@@ -0,0 +1,60 @@
+/*
+ * 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.Collections.Generic;
+using QuantConnect.Data.UniverseSelection;
+using QuantConnect.Interfaces;
+using QuantConnect.Lean.Engine.Results;
+using QuantConnect.Packets;
+
+namespace QuantConnect.Lean.Engine.DataFeeds
+{
+    public class MockDataFeed : IDataFeed
+    {
+        private List<SubscriptionData> _dummyData = new List<SubscriptionData>();
+        public bool IsActive { get; }
+
+        public void Initialize(
+            IAlgorithm algorithm,
+            AlgorithmNodePacket job,
+            IResultHandler resultHandler,
+            IMapFileProvider mapFileProvider,
+            IFactorFileProvider factorFileProvider,
+            IDataProvider dataProvider,
+            IDataFeedSubscriptionManager subscriptionManager,
+            IDataFeedTimeProvider dataFeedTimeProvider,
+            IDataChannelProvider dataChannelProvider
+            )
+        {
+        }
+
+        public Subscription CreateSubscription(SubscriptionRequest request)
+        {
+            var offsetProvider = new TimeZoneOffsetProvider(request.Configuration.ExchangeTimeZone,
+                request.StartTimeUtc,
+                request.EndTimeUtc);
+            return new Subscription(request, _dummyData.GetEnumerator(), offsetProvider);
+        }
+
+        public void RemoveSubscription(Subscription subscription)
+        {
+        }
+
+        public void Exit()
+        {
+        }
+    }
+}