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Fix undefined layout behaviour, and remove pinning: Uint256 and Uint160 #1387

Merged
merged 17 commits into from
Jan 15, 2020
Merged

Fix undefined layout behaviour, and remove pinning: Uint256 and Uint160 #1387

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d204cc8
Fix undefined layout behaviour, and remove pinning
john-h-k Dec 30, 2019
799b6e9
Update UInt256.cs
john-h-k Dec 30, 2019
cde8bb4
Update UInt256.cs
john-h-k Dec 30, 2019
b073565
add StructLayout
Jan 10, 2020
e53a2be
set pack=1
Jan 10, 2020
c856c07
Merge branch 'master' into patch-1
vncoelho Jan 10, 2020
b9fd397
Merging Tommo branch
vncoelho Jan 10, 2020
6b52a79
Explicit
erikzhang Jan 12, 2020
bcdf640
Remove UIntBase
erikzhang Jan 12, 2020
8b6528b
Revert constructor
shargon Jan 13, 2020
cf655fa
add unsafe
shargon Jan 13, 2020
57c5bb2
Merge branch 'master' into patch-1
vncoelho Jan 13, 2020
5e553bf
Comment
vncoelho Jan 13, 2020
7054db9
Comment Uint256
vncoelho Jan 13, 2020
8a9fdf7
Removing comments from value 1
vncoelho Jan 14, 2020
a472cfe
Removing comments from value1
vncoelho Jan 14, 2020
4624e60
Merge branch 'master' into patch-1
vncoelho Jan 14, 2020
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9 changes: 4 additions & 5 deletions src/neo/UInt256.cs
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Original file line number Diff line number Diff line change
@@ -1,12 +1,14 @@
using System;
using System.Globalization;
using System.IO;
using System.Runtime.InteropServices;

namespace Neo
{
/// <summary>
/// This class stores a 256 bit unsigned int, represented as a 32-byte little-endian byte array
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public class UInt256 : UIntBase, IComparable<UInt256>, IEquatable<UInt256>
{
public const int Length = 32;
Expand All @@ -25,11 +27,8 @@ public UInt256()

public unsafe UInt256(ReadOnlySpan<byte> value)
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{
fixed (ulong* p = &value1)
{
Span<byte> dst = new Span<byte>(p, Length);
value[..Length].CopyTo(dst);
}
Span<byte> dst = MemoryMarshal.AsBytes(MemoryMarshal.CreateSpan(ref value1, Length / sizeof(ulong)));
value[..Length].CopyTo(dst);
}
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/// <summary>
Expand Down