X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=Novacoin%2FCTxOut.cs;h=eb24845cbd503f15d2c0b6714fdb512a496ba074;hb=be9d844557911f95165d2c9875c4f5b2822cfc92;hp=2dc5344188af967c08f81f71e6fa525a2aa4475e;hpb=5219f34138c6f10f3caf699b1c069b3921492ba4;p=NovacoinLibrary.git
diff --git a/Novacoin/CTxOut.cs b/Novacoin/CTxOut.cs
index 2dc5344..eb24845 100644
--- a/Novacoin/CTxOut.cs
+++ b/Novacoin/CTxOut.cs
@@ -1,4 +1,25 @@
-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.Text;
+using System.Collections.Generic;
+using System.IO;
namespace Novacoin
{
@@ -10,15 +31,120 @@ namespace Novacoin
///
/// Input value.
///
- public ulong nValue;
+ public ulong nValue = ulong.MaxValue;
///
/// Second half of script which contains spending instructions.
///
- public byte[] scriptPubKey;
+ public CScript scriptPubKey;
+
+ ///
+ /// Initialize new CTxOut instance as a copy of another instance.
+ ///
+ /// CTxOut instance.
+ public CTxOut(CTxOut o)
+ {
+ nValue = o.nValue;
+ scriptPubKey = o.scriptPubKey;
+ }
+
+ ///
+ /// Initialize an empty instance of CTxOut class
+ ///
+ public CTxOut()
+ {
+ SetEmpty();
+ }
+
+ ///
+ /// Read vout list from byte sequence.
+ ///
+ /// Reference to byte sequence
+ /// Outputs array
+ public static CTxOut[] ReadTxOutList(ref ByteQueue wBytes)
+ {
+ int nOutputs = (int)wBytes.GetVarInt();
+ var vout =new CTxOut[nOutputs];
+
+ for (int nIndex = 0; nIndex < nOutputs; nIndex++)
+ {
+ // Fill outputs array
+ vout[nIndex] = new CTxOut();
+ vout[nIndex].nValue = BitConverter.ToUInt64(wBytes.Get(8), 0);
+
+ int nScriptPKLen = (int)wBytes.GetVarInt();
+ vout[nIndex].scriptPubKey = new CScript(wBytes.Get(nScriptPKLen));
+ }
+
+ return vout;
+ }
+
+ ///
+ /// Get raw bytes representation of our output.
+ ///
+ /// Byte sequence.
+ public static implicit operator byte[] (CTxOut output)
+ {
+ var stream = new MemoryStream();
+ var writer = new BinaryWriter(stream);
- public CTxOut ()
+ writer.Write(output.nValue); // txout value
+ writer.Write(VarInt.EncodeVarInt(output.scriptPubKey.Size)); // scriptPubKey length
+ writer.Write(output.scriptPubKey); // scriptPubKey
+
+ var resultBytes = stream.ToArray();
+
+ writer.Close();
+
+ return resultBytes;
+ }
+
+ ///
+ /// Null prevouts have -1 value
+ ///
+ public void SetNull()
+ {
+ nValue = ulong.MaxValue;
+ scriptPubKey = new CScript();
+ }
+
+ ///
+ /// Empty outputs have zero value and empty scriptPubKey
+ ///
+ public void SetEmpty()
+ {
+ nValue = 0;
+ scriptPubKey = new CScript();
+ }
+
+ public bool IsNull
+ {
+ get { return (nValue == ulong.MaxValue); }
+ }
+
+ public bool IsEmpty
+ {
+ get { return nValue == 0 && scriptPubKey.IsNull; }
+ }
+
+ ///
+ /// Serialized size
+ ///
+ public int Size
+ {
+ get
+ {
+ var nScriptSize = scriptPubKey.Size;
+ return 8 + VarInt.GetEncodedSize(nScriptSize) + nScriptSize;
+ }
+ }
+
+ public override string ToString ()
{
+ var sb = new StringBuilder ();
+ sb.AppendFormat ("CTxOut(nValue={0}, scriptPubKey={1})", nValue, scriptPubKey.ToString());
+
+ return sb.ToString ();
}
}
}