X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=Novacoin%2FCOutPoint.cs;h=ddb40e8cfce9cc080c26d40aca9f30663add746e;hb=be9d844557911f95165d2c9875c4f5b2822cfc92;hp=4c9f17a9b80cde87d15b53ee81a9cff649359d52;hpb=12a559c6cb61ae1c22e2859742ea0edd552eca07;p=NovacoinLibrary.git
diff --git a/Novacoin/COutPoint.cs b/Novacoin/COutPoint.cs
index 4c9f17a..ddb40e8 100644
--- a/Novacoin/COutPoint.cs
+++ b/Novacoin/COutPoint.cs
@@ -1,12 +1,30 @@
-using System;
+/**
+ * Novacoin classes library
+ * Copyright (C) 2015 Alex D. (balthazar.ad@gmail.com)
+
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see .
+ */
+
+using System;
using System.Collections.Generic;
-using System.Linq;
+using System.Diagnostics.Contracts;
+using System.IO;
using System.Text;
-using System.Threading.Tasks;
namespace Novacoin
{
- public class COutPoint
+ public class COutPoint : IComparable, IEquatable
{
///
/// Hash of parent transaction.
@@ -18,6 +36,11 @@ namespace Novacoin
///
public uint n;
+ ///
+ /// Out reference is always 36 bytes long.
+ ///
+ public const int Size = 36;
+
public COutPoint()
{
hash = new Hash256();
@@ -36,10 +59,12 @@ namespace Novacoin
n = o.n;
}
- public COutPoint(IEnumerable bytes)
+ public COutPoint(byte[] bytes)
{
- hash = new Hash256(bytes.Take(32));
- n = BitConverter.ToUInt32(bytes.Skip(32).Take(4).ToArray(), 0);
+ Contract.Requires(bytes.Length == 36, "Any valid outpoint reference data item is exactly 36 bytes long.");
+
+ hash = new Hash256(bytes);
+ n = BitConverter.ToUInt32(bytes, 32);
}
public bool IsNull
@@ -47,27 +72,58 @@ namespace Novacoin
get { return hash.IsZero && n == uint.MaxValue; }
}
- public IList Bytes
+ public static implicit operator byte[] (COutPoint o)
{
- get
- {
- List r = new List();
- r.AddRange(hash.hashBytes);
- r.AddRange(BitConverter.GetBytes(n));
+ var stream = new MemoryStream();
+ var writer = new BinaryWriter(stream);
- return r;
- }
+ writer.Write(o.hash);
+ writer.Write(o.n);
+
+ var outBytes = stream.ToArray();
+
+ writer.Close();
+
+ return outBytes;
}
public override string ToString()
{
- StringBuilder sb = new StringBuilder();
+ var sb = new StringBuilder();
sb.AppendFormat("COutPoint({0}, {1})", hash.ToString(), n);
return sb.ToString();
}
-
+ ///
+ /// Compare this outpoint with some other.
+ ///
+ /// Other outpoint.
+ /// Result of comparison.
+ public int CompareTo(COutPoint o)
+ {
+ if (n > o.n)
+ {
+ return 1;
+ }
+ else if (n < o.n)
+ {
+ return -1;
+ }
+
+ return 0;
+
+ }
+
+ ///
+ /// Equality comparer for outpoints.
+ ///
+ /// Other outpoint.
+ /// Result of comparison.
+ public bool Equals(COutPoint o)
+ {
+ return (o.n == n) && (o.hash == hash);
+ }
}
}