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 +1,52 @@
+/*
+ * 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.Runtime.Serialization;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace QuantConnect.Securities
+{
+    /// <summary>
+    /// Specifies the open/close state for a <see cref="MarketHoursSegment"/>
+    /// </summary>
+    [JsonConverter(typeof(StringEnumConverter))]
+    public enum MarketHoursState
+    {
+        /// <summary>
+        /// The market is not open (0)
+        /// </summary>
+        [EnumMember(Value = "closed")]
+        Closed,
+
+        /// <summary>
+        /// The market is open, but before normal trading hours (1)
+        /// </summary>
+        [EnumMember(Value = "premarket")]
+        PreMarket,
+
+        /// <summary>
+        /// The market is open and within normal trading hours (2)
+        /// </summary>
+        [EnumMember(Value = "market")]
+        Market,
+
+        /// <summary>
+        /// The market is open, but after normal trading hours (3)
+        /// </summary>
+        [EnumMember(Value = "postmarket")]
+        PostMarket
+    }
+}