-\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.Linq;
using System.Text;
using System.Collections.Generic;
+using System.Security.Cryptography;
namespace Novacoin
{
public CBlock(CBlock b)
{
header = new CBlockHeader(b.header);
+ vtx = new CTransaction[b.vtx.Length];
for (int i = 0; i < b.vtx.Length; i++)
{
/// Parse byte sequence and initialize new block instance
/// </summary>
/// <param name="blockBytes"></param>
- public CBlock (IList<byte> blockBytes)
+ public CBlock (byte[] blockBytes)
{
ByteQueue wBytes = new ByteQueue(blockBytes);
}
txnouttype whichType;
- IList<IEnumerable<byte>> solutions;
+ IList<byte[]> solutions;
if (!ScriptCode.Solver(vtx[1].vout[1].scriptPubKey, out whichType, out solutions))
{
}
/// <summary>
- /// Get current instance as sequence of bytes
+ /// Get instance as sequence of bytes
/// </summary>
/// <returns>Byte sequence</returns>
- public IList<byte> Bytes
+ public static implicit operator byte[] (CBlock b)
{
- get
+ var r = new List<byte>();
+
+ r.AddRange((byte[])b.header);
+ r.AddRange(VarInt.EncodeVarInt(b.vtx.LongLength)); // transactions count
+
+ foreach (var tx in b.vtx)
{
- List<byte> r = new List<byte>();
+ r.AddRange((byte[])tx);
+ }
- r.AddRange(header.Bytes);
- r.AddRange(VarInt.EncodeVarInt(vtx.LongLength)); // transactions count
+ r.AddRange(VarInt.EncodeVarInt(b.signature.LongLength));
+ r.AddRange(b.signature);
- foreach (CTransaction tx in vtx)
+ return r.ToArray();
+ }
+
+ /// <summary>
+ /// Merkle root
+ /// </summary>
+ public Hash256 hashMerkleRoot
+ {
+ get {
+
+ var merkleTree = new List<byte>();
+
+ foreach (var tx in vtx)
{
- r.AddRange(tx.Bytes);
+ merkleTree.AddRange(Hash256.ComputeRaw256(tx));
}
- r.AddRange(VarInt.EncodeVarInt(signature.LongLength));
- r.AddRange(signature);
+ int levelOffset = 0;
+ for (int nLevelSize = vtx.Length; nLevelSize > 1; nLevelSize = (nLevelSize + 1) / 2)
+ {
+ for (int nLeft = 0; nLeft < nLevelSize; nLeft += 2)
+ {
+ int nRight = Math.Min(nLeft + 1, nLevelSize - 1);
+
+ var left = merkleTree.GetRange((levelOffset + nLeft) * 32, 32).ToArray();
+ var right = merkleTree.GetRange((levelOffset + nRight) * 32, 32).ToArray();
- return r;
+ merkleTree.AddRange(Hash256.ComputeRaw256(ref left, ref right));
+ }
+ levelOffset += nLevelSize;
+ }
+
+ return (merkleTree.Count == 0) ? new Hash256() : new Hash256(merkleTree.GetRange(merkleTree.Count-32, 32).ToArray());
}
}
public override string ToString()
{
- StringBuilder sb = new StringBuilder();
+ var sb = new StringBuilder();
sb.AppendFormat("CBlock(\n header={0},\n", header.ToString());
- foreach(CTransaction tx in vtx)
+ foreach(var tx in vtx)
{
sb.AppendFormat("{0}", tx.ToString());
}
}
sb.Append(")");
-
- // TODO
+
return sb.ToString();
}
}