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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| using System.Diagnostics; | ||
|
|
||
| namespace Neo.VM | ||
| { | ||
| public static class Benchmarks | ||
| { | ||
| public static void NeoIssue2528() | ||
| { | ||
| // https://github.com/neo-project/neo/issues/2528 | ||
| // L01: INITSLOT 1, 0 | ||
| // L02: NEWARRAY0 | ||
| // L03: DUP | ||
| // L04: DUP | ||
| // L05: PUSHINT16 2043 | ||
| // L06: STLOC 0 | ||
| // L07: PUSH1 | ||
| // L08: PACK | ||
| // L09: LDLOC 0 | ||
| // L10: DEC | ||
| // L11: STLOC 0 | ||
| // L12: LDLOC 0 | ||
| // L13: JMPIF_L L07 | ||
| // L14: PUSH1 | ||
| // L15: PACK | ||
| // L16: APPEND | ||
| // L17: PUSHINT32 38000 | ||
| // L18: STLOC 0 | ||
| // L19: PUSH0 | ||
| // L20: PICKITEM | ||
| // L21: LDLOC 0 | ||
| // L22: DEC | ||
| // L23: STLOC 0 | ||
| // L24: LDLOC 0 | ||
| // L25: JMPIF_L L19 | ||
| // L26: DROP | ||
| Run(nameof(NeoIssue2528), "VwEAwkpKAfsHdwARwG8AnXcAbwAl9////xHAzwJwlAAAdwAQzm8AnXcAbwAl9////0U="); | ||
| } | ||
|
|
||
| public static void NeoVMIssue418() | ||
| { | ||
| // https://github.com/neo-project/neo-vm/issues/418 | ||
| // L00: NEWARRAY0 | ||
| // L01: PUSH0 | ||
| // L02: PICK | ||
| // L03: PUSH1 | ||
| // L04: PACK | ||
| // L05: PUSH1 | ||
| // L06: PICK | ||
| // L07: PUSH1 | ||
| // L08: PACK | ||
| // L09: INITSSLOT 1 | ||
| // L10: PUSHINT16 510 | ||
| // L11: DEC | ||
| // L12: STSFLD0 | ||
| // L13: PUSH1 | ||
| // L14: PICK | ||
| // L15: PUSH1 | ||
| // L16: PICK | ||
| // L17: PUSH2 | ||
| // L18: PACK | ||
| // L19: REVERSE3 | ||
| // L20: PUSH2 | ||
| // L21: PACK | ||
| // L22: LDSFLD0 | ||
| // L23: DUP | ||
| // L24: JMPIF L11 | ||
| // L25: DROP | ||
| // L26: ROT | ||
| // L27: DROP | ||
| Run(nameof(NeoVMIssue418), "whBNEcARTRHAVgEB/gGdYBFNEU0SwFMSwFhKJPNFUUU="); | ||
| } | ||
|
|
||
| public static void NeoIssue2723() | ||
| { | ||
| // L00: INITSSLOT 1 | ||
| // L01: PUSHINT32 130000 | ||
| // L02: STSFLD 0 | ||
| // L03: PUSHINT32 1048576 | ||
| // L04: NEWBUFFER | ||
| // L05: DROP | ||
| // L06: LDSFLD 0 | ||
| // L07: DEC | ||
| // L08: DUP | ||
| // L09: STSFLD 0 | ||
| // L10: JMPIF L03 | ||
| Run(nameof(NeoIssue2723), "VgEC0PsBAGcAAgAAEACIRV8AnUpnACTz"); | ||
| } | ||
|
|
||
| private static void Run(string name, string poc) | ||
| { | ||
| byte[] script = Convert.FromBase64String(poc); | ||
| using ExecutionEngine engine = new(); | ||
| engine.LoadScript(script); | ||
| Stopwatch stopwatch = Stopwatch.StartNew(); | ||
| engine.Execute(); | ||
| stopwatch.Stop(); | ||
| Debug.Assert(engine.State == VMState.HALT); | ||
| Console.WriteLine($"Benchmark: {name},\tTime: {stopwatch.Elapsed}"); | ||
| } | ||
| } | ||
| } |
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
|
|
||
| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net7.0</TargetFramework> | ||
| <RootNamespace>Neo.VM</RootNamespace> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <Nullable>enable</Nullable> | ||
| <IsPackable>false</IsPackable> | ||
| </PropertyGroup> | ||
|
|
||
| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\Neo.VM\Neo.VM.csproj" /> | ||
| </ItemGroup> | ||
|
|
||
| </Project> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| using Neo.VM; | ||
| using System.Reflection; | ||
|
|
||
| foreach (var method in typeof(Benchmarks).GetMethods(BindingFlags.Public | BindingFlags.Static)) | ||
| { | ||
| method.CreateDelegate<Action>().Invoke(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| // Copyright (C) 2016-2023 The Neo Project. | ||
| // | ||
| // The neo-vm is free software distributed under the MIT software license, | ||
| // see the accompanying file LICENSE in the main directory of the | ||
| // project 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 System; | ||
|
|
||
| namespace Neo.VM | ||
| { | ||
| /// <summary> | ||
| /// Represents the exception thrown when the bad script is parsed. | ||
| /// </summary> | ||
| public class BadScriptException : Exception | ||
| { | ||
| /// <summary> | ||
| /// Initializes a new instance of the <see cref="BadScriptException"/> class. | ||
| /// </summary> | ||
| public BadScriptException() { } | ||
|
|
||
| /// <summary> | ||
| /// Initializes a new instance of the <see cref="BadScriptException"/> class with a specified error message. | ||
| /// </summary> | ||
| /// <param name="message">The message that describes the error.</param> | ||
| public BadScriptException(string message) : base(message) { } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,21 @@ | ||
| // Copyright (C) 2016-2023 The Neo Project. | ||
| // | ||
| // The neo-vm is free software distributed under the MIT software license, | ||
| // see the accompanying file LICENSE in the main directory of the | ||
| // project 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 System; | ||
|
|
||
| namespace Neo.VM | ||
| { | ||
| public class CatchableException : Exception | ||
| { | ||
| public CatchableException(string message) : base(message) | ||
| { | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| // Copyright (C) 2016-2023 The Neo Project. | ||
| // | ||
| // The neo-vm is free software distributed under the MIT software license, | ||
| // see the accompanying file LICENSE in the main directory of the | ||
| // project 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 System.Collections; | ||
| using System.Collections.Generic; | ||
| using System.Collections.ObjectModel; | ||
| using System.Diagnostics.CodeAnalysis; | ||
| using System.Linq; | ||
|
|
||
| namespace Neo.VM.Collections | ||
| { | ||
| internal class OrderedDictionary<TKey, TValue> : IDictionary<TKey, TValue> | ||
| where TKey : notnull | ||
| { | ||
| private class TItem | ||
| { | ||
| public readonly TKey Key; | ||
| public TValue Value; | ||
|
|
||
| public TItem(TKey key, TValue value) | ||
| { | ||
| this.Key = key; | ||
| this.Value = value; | ||
| } | ||
| } | ||
|
|
||
| private class InternalCollection : KeyedCollection<TKey, TItem> | ||
| { | ||
| protected override TKey GetKeyForItem(TItem item) | ||
| { | ||
| return item.Key; | ||
| } | ||
| } | ||
|
|
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| private readonly InternalCollection collection = new(); | ||
|
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| public int Count => collection.Count; | ||
| public bool IsReadOnly => false; | ||
| public ICollection<TKey> Keys => collection.Select(p => p.Key).ToArray(); | ||
| public ICollection<TValue> Values => collection.Select(p => p.Value).ToArray(); | ||
|
|
||
| public TValue this[TKey key] | ||
| { | ||
| get | ||
| { | ||
| return collection[key].Value; | ||
| } | ||
| set | ||
| { | ||
| if (collection.TryGetValue(key, out var entry)) | ||
| entry.Value = value; | ||
| else | ||
| Add(key, value); | ||
| } | ||
| } | ||
|
|
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| public void Add(TKey key, TValue value) | ||
| { | ||
| collection.Add(new TItem(key, value)); | ||
| } | ||
|
|
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| public bool ContainsKey(TKey key) | ||
| { | ||
| return collection.Contains(key); | ||
| } | ||
|
|
||
| public bool Remove(TKey key) | ||
| { | ||
| return collection.Remove(key); | ||
| } | ||
|
|
||
| // supress warning of value parameter nullability mismatch | ||
| #pragma warning disable CS8767 | ||
| public bool TryGetValue(TKey key, [MaybeNullWhen(false)] out TValue value) | ||
| #pragma warning restore CS8767 | ||
| { | ||
| if (collection.TryGetValue(key, out var entry)) | ||
| { | ||
| value = entry.Value; | ||
| return true; | ||
| } | ||
| value = default; | ||
| return false; | ||
| } | ||
|
|
||
| void ICollection<KeyValuePair<TKey, TValue>>.Add(KeyValuePair<TKey, TValue> item) | ||
| { | ||
| Add(item.Key, item.Value); | ||
| } | ||
|
|
||
| public void Clear() | ||
| { | ||
| collection.Clear(); | ||
| } | ||
|
|
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| bool ICollection<KeyValuePair<TKey, TValue>>.Contains(KeyValuePair<TKey, TValue> item) | ||
| { | ||
| return collection.Contains(item.Key); | ||
| } | ||
|
|
||
| void ICollection<KeyValuePair<TKey, TValue>>.CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex) | ||
| { | ||
| for (int i = 0; i < collection.Count; i++) | ||
| array[i + arrayIndex] = new KeyValuePair<TKey, TValue>(collection[i].Key, collection[i].Value); | ||
| } | ||
|
|
||
| bool ICollection<KeyValuePair<TKey, TValue>>.Remove(KeyValuePair<TKey, TValue> item) | ||
| { | ||
| return collection.Remove(item.Key); | ||
| } | ||
|
|
||
| IEnumerator<KeyValuePair<TKey, TValue>> IEnumerable<KeyValuePair<TKey, TValue>>.GetEnumerator() | ||
| { | ||
| return collection.Select(p => new KeyValuePair<TKey, TValue>(p.Key, p.Value)).GetEnumerator(); | ||
| } | ||
|
|
||
| IEnumerator IEnumerable.GetEnumerator() | ||
| { | ||
| return collection.Select(p => new KeyValuePair<TKey, TValue>(p.Key, p.Value)).GetEnumerator(); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| // Copyright (C) 2016-2023 The Neo Project. | ||
| // | ||
| // The neo-vm is free software distributed under the MIT software license, | ||
| // see the accompanying file LICENSE in the main directory of the | ||
| // project 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 System.Runtime.CompilerServices; | ||
|
|
||
| namespace Neo.VM.Cryptography | ||
| { | ||
| #if !NET5_0_OR_GREATER | ||
| static class BitOperations | ||
| { | ||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public static uint RotateLeft(uint value, int offset) | ||
| => (value << offset) | (value >> (32 - offset)); | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public static ulong RotateLeft(ulong value, int offset) | ||
| => (value << offset) | (value >> (64 - offset)); | ||
| } | ||
| #endif | ||
| } |
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