From b50ab912db0d7fc1c150928631b07cad8470e592 Mon Sep 17 00:00:00 2001
From: Fernando Diaz Toledano <shargon@gmail.com>
Date: Thu, 10 Oct 2024 17:05:17 +0200
Subject: [PATCH] Remove V2

---
 src/Neo.VM/ReferenceCounterV2.cs | 104 -------------------------------
 1 file changed, 104 deletions(-)
 delete mode 100644 src/Neo.VM/ReferenceCounterV2.cs

diff --git a/src/Neo.VM/ReferenceCounterV2.cs b/src/Neo.VM/ReferenceCounterV2.cs
deleted file mode 100644
index 42a81cf8d2..0000000000
--- a/src/Neo.VM/ReferenceCounterV2.cs
+++ /dev/null
@@ -1,104 +0,0 @@
-// Copyright (C) 2015-2024 The Neo Project.
-//
-// ReferenceCounterV2.cs file belongs to the neo project and is free
-// software distributed under the MIT software license, see the
-// accompanying file LICENSE in the main directory of the
-// repository or http://www.opensource.org/licenses/mit-license.php
-// for more details.
-//
-// Redistribution and use in source and binary forms with or without
-// modifications are permitted.
-
-using Neo.VM.Types;
-using System;
-using System.Collections.Generic;
-
-namespace Neo.VM
-{
-    /// <summary>
-    /// Used for reference counting of objects in the VM.
-    /// </summary>
-    public sealed class ReferenceCounterV2 : IReferenceCounter
-    {
-        private class Counter
-        {
-            public int Count;
-        }
-
-        private readonly Dictionary<StackItem, Counter> _items = new(ReferenceEqualityComparer.Instance);
-
-        /// <summary>
-        /// Gets the count of references.
-        /// </summary>
-        public int Count { get; private set; }
-
-        /// <summary>
-        /// Adds item to Reference Counter
-        /// </summary>
-        /// <param name="item">The item to add.</param>
-        /// <param name="count">Number of similar entries</param>
-        public void AddStackReference(StackItem item, int count = 1)
-        {
-            if (!_items.TryGetValue(item, out var referencesCount))
-            {
-                _items[item] = new Counter() { Count = count };
-            }
-            else
-            {
-                referencesCount.Count += count;
-            }
-
-            // Increment the reference count.
-            Count += count;
-        }
-
-        /// <summary>
-        /// Removes item from Reference Counter
-        /// </summary>
-        /// <param name="item">The item to remove.</param>
-        public void RemoveStackReference(StackItem item)
-        {
-            if (!_items.TryGetValue(item, out var referencesCount))
-            {
-                throw new InvalidOperationException("Reference was not added");
-            }
-            else
-            {
-                referencesCount.Count--;
-
-                if (referencesCount.Count < 0)
-                {
-                    throw new InvalidOperationException("Reference was not added");
-                }
-            }
-
-            // Decrement the reference count.
-            Count--;
-        }
-
-        public void AddReference(StackItem item, CompoundType parent)
-        {
-            AddStackReference(item);
-        }
-
-        public void RemoveReference(StackItem item, CompoundType parent)
-        {
-            RemoveStackReference(item);
-        }
-
-        public void AddZeroReferred(StackItem item)
-        {
-            // This version don't use this method
-            // AddStackReference(item);
-        }
-
-        /// <summary>
-        /// Checks and processes items that have zero references.
-        /// </summary>
-        /// <returns>The current reference count.</returns>
-        public int CheckZeroReferred()
-        {
-            return Count;
-        }
-    }
-}