-\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.Text;
+using System.Collections.Generic;
+using System.IO;
namespace Novacoin
{
- /// <summary>
- /// Transaction input.
- /// </summary>
- public class CTxIn
- {
- /// <summary>
- /// Hash of parent transaction.
- /// </summary>
- public Hash256 txID = new Hash256();
+ [Serializable]
+ public class TxInConstructorException : Exception
+ {
+ public TxInConstructorException()
+ {
+ }
- /// <summary>
- /// Parent input number.
- /// </summary>
- public uint nInput = 0;
+ public TxInConstructorException(string message)
+ : base(message)
+ {
+ }
+
+ public TxInConstructorException(string message, Exception inner)
+ : base(message, inner)
+ {
+ }
+ }
+
+ /// <summary>
+ /// Transaction input.
+ /// </summary>
+ public class CTxIn
+ {
+ /// <summary>
+ /// Previous input data
+ /// </summary>
+ public COutPoint prevout;
/// <summary>
/// First half of script, signatures for the scriptPubKey
/// </summary>
- public byte[] scriptSig;
+ public CScript scriptSig;
/// <summary>
/// Transaction variant number, irrelevant if nLockTime isn't specified. Its value is 0xffffffff by default.
/// </summary>
- public uint nSequence = 0xffffffff;
+ public uint nSequence = uint.MaxValue;
- public CTxIn ()
- {
- }
+ /// <summary>
+ /// Initialize new CTxIn instance as copy of another one.
+ /// </summary>
+ /// <param name="i">CTxIn instance.</param>
+ public CTxIn(CTxIn i)
+ {
+ prevout = new COutPoint(i.prevout);
+ scriptSig = i.scriptSig;
+ nSequence = i.nSequence;
+ }
+
+ /// <summary>
+ /// Initialize an empty instance of CTxIn class
+ /// </summary>
+ public CTxIn()
+ {
+ prevout = new COutPoint();
+ scriptSig = new CScript();
+ }
- public override string ToString ()
+ /// <summary>
+ /// Read vin list from byte sequence.
+ /// </summary>
+ /// <param name="wBytes">Reference to byte sequence</param>
+ /// <returns>Inputs array</returns>
+ public static CTxIn[] ReadTxInList(ref ByteQueue wBytes)
+ {
+ try
+ {
+ // Get amount
+ int nInputs = (int)wBytes.GetVarInt();
+ var vin = new CTxIn[nInputs];
+
+ for (int nIndex = 0; nIndex < nInputs; nIndex++)
+ {
+ // Fill inputs array
+ vin[nIndex] = new CTxIn();
+ vin[nIndex].prevout = new COutPoint(wBytes.Get(36));
+ vin[nIndex].scriptSig = new CScript(wBytes.Get((int)wBytes.GetVarInt()));
+ vin[nIndex].nSequence = BitConverter.ToUInt32(wBytes.Get(4), 0);
+ }
+
+ // Return inputs array
+ return vin;
+ }
+ catch (Exception e)
+ {
+ throw new TxInConstructorException("Desirealization failed.", e);
+ }
+ }
+
+ /// <summary>
+ /// Serialized size
+ /// </summary>
+ public int Size
+ {
+ get {
+ int nSize = 40; // COutPoint, nSequence
+ nSize += VarInt.GetEncodedSize(scriptSig.Size);
+ nSize += scriptSig.Size;
+
+ return nSize;
+ }
+ }
+
+ /// <summary>
+ /// Get raw bytes representation of our input.
+ /// </summary>
+ /// <returns>Byte sequence.</returns>
+ public static implicit operator byte[] (CTxIn input)
+ {
+ var stream = new MemoryStream();
+ var writer = new BinaryWriter(stream);
+
+ writer.Write(input.prevout); // prevout
+ writer.Write(VarInt.EncodeVarInt(input.scriptSig.Size)); // scriptSig length
+ writer.Write(input.scriptSig); // scriptSig
+ writer.Write(input.nSequence); // nSequence
+
+ var inputBytes = stream.ToArray();
+ writer.Close();
+ return inputBytes;
+ }
+
+ public bool IsFinal
+ {
+ get { return (nSequence == uint.MaxValue); }
+ }
+ public override string ToString ()
{
StringBuilder sb = new StringBuilder ();
- sb.AppendFormat ("CTxIn(txId={0},n={1},scriptSig={2}", nInput, nInput, scriptSig.ToString());
- return sb.ToString ();
+ sb.AppendFormat("CTxIn(");
+ sb.Append(prevout.ToString());
+
+ if(prevout.IsNull)
+ {
+ sb.AppendFormat(", coinbase={0}", Interop.ToHex((byte[])scriptSig));
+ }
+ else
+ {
+ sb.AppendFormat(", scriptsig={0}", scriptSig.ToString());
+ }
+
+ if (nSequence != uint.MaxValue)
+ {
+ sb.AppendFormat(", nSequence={0}", nSequence);
+ }
+
+ sb.Append(")");
+
+
+ return sb.ToString ();
}
}
}
-
git://git.novaco.in / NovacoinLibrary.git / blobdiff