ToInt64 -> ToUInt64

[NovacoinLibrary.git] / Novacoin / COutPoint.cs

diff --git a/Novacoin/COutPoint.cs b/Novacoin/COutPoint.cs
index 71f2bda..9d1dbb5 100644 (file)
--- a/Novacoin/COutPoint.cs
+++ b/Novacoin/COutPoint.cs
@@ -1,8 +1,25 @@
-\feffusing System;
+\feff/**
+ *  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 <http://www.gnu.org/licenses/>.
+ */
+
+using System;
 using System.Collections.Generic;
-using System.Linq;
+using System.Diagnostics.Contracts;
 using System.Text;
-using System.Threading.Tasks;
 
 namespace Novacoin
 {
@@ -18,6 +35,11 @@ namespace Novacoin
         /// </summary>
         public uint n;
 
+        /// <summary>
+        /// Out reference is always 36 bytes long.
+        /// </summary>
+        public const int Size = 36;
+
         public COutPoint()
         {
             hash = new Hash256();
@@ -36,10 +58,12 @@ namespace Novacoin
             n = o.n;
         }
 
-        public COutPoint(IEnumerable<byte> bytes)
+        public COutPoint(byte[] bytes)
         {
+            Contract.Requires<ArgumentException>(bytes.Length == 36, "Any valid outpoint reference data item is exactly 36 bytes long.");
+
             hash = new Hash256(bytes);
-            n = BitConverter.ToUInt32(bytes.ToArray(), 32);
+            n = BitConverter.ToUInt32(bytes, 32);
         }
 
         public bool IsNull
@@ -47,21 +71,18 @@ namespace Novacoin
             get { return hash.IsZero && n == uint.MaxValue; }
         }
 
-        public IList<byte> Bytes
+        public static implicit operator byte[] (COutPoint o)
         {
-            get
-            {
-                List<byte> r = new List<byte>();
-                r.AddRange(hash.hashBytes);
-                r.AddRange(BitConverter.GetBytes(n));
-
-                return r;
-            }
+            var r = new List<byte>();
+            r.AddRange((byte[])o.hash);
+            r.AddRange(BitConverter.GetBytes(o.n));
+
+            return r.ToArray();
         }
 
         public override string ToString()
         {
-            StringBuilder sb = new StringBuilder();
+            var sb = new StringBuilder();
             sb.AppendFormat("COutPoint({0}, {1})", hash.ToString(), n);
 
             return sb.ToString();