-\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 n = 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>
/// 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;
/// <summary>
/// Initialize new CTxIn instance as copy of another one.
/// <param name="i">CTxIn instance.</param>
public CTxIn(CTxIn i)
{
- txID = i.txID;
- n = i.n;
+ prevout = new COutPoint(i.prevout);
scriptSig = i.scriptSig;
nSequence = i.nSequence;
}
/// </summary>
public CTxIn()
{
+ prevout = new COutPoint();
+ scriptSig = new CScript();
}
/// <summary>
/// </summary>
/// <param name="wBytes">Reference to byte sequence</param>
/// <returns>Inputs array</returns>
- public static CTxIn[] ReadTxInList(ref WrappedList<byte> wBytes)
+ public static CTxIn[] ReadTxInList(ref ByteQueue wBytes)
{
- CTxIn[] vin;
-
- // Get amount
- int nInputs = (int)VarInt.ReadVarInt(ref wBytes);
- vin = new CTxIn[nInputs];
-
- for (int nIndex = 0; nIndex < nInputs; nIndex++)
+ try
{
- // Fill inputs array
- vin[nIndex] = new CTxIn();
-
- vin[nIndex].txID = new Hash256(wBytes.GetItems(32));
- vin[nIndex].n = BitConverter.ToUInt32(wBytes.GetItems(4), 0);
- vin[nIndex].scriptSig = new CScript(wBytes.GetItems((int)VarInt.ReadVarInt(ref wBytes)));
- vin[nIndex].nSequence = BitConverter.ToUInt32(wBytes.GetItems(4), 0);
+ // 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);
}
+ }
- // Return inputs array
- return vin;
+ /// <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 IList<byte> Bytes
+ public static implicit operator byte[] (CTxIn input)
{
- get
- {
- List<byte> inputBytes = new List<byte>();
-
- inputBytes.AddRange(txID.hashBytes); // Input transaction id
- inputBytes.AddRange(BitConverter.GetBytes(n)); // Output number
+ var stream = new MemoryStream();
+ var writer = new BinaryWriter(stream);
- List<byte> s = new List<byte>(scriptSig.Bytes);
+ writer.Write(input.prevout); // prevout
+ writer.Write(VarInt.EncodeVarInt(input.scriptSig.Size)); // scriptSig length
+ writer.Write(input.scriptSig); // scriptSig
+ writer.Write(input.nSequence); // nSequence
- inputBytes.AddRange(VarInt.EncodeVarInt(s.Count)); // scriptSig length
- inputBytes.AddRange(s); // scriptSig
- inputBytes.AddRange(BitConverter.GetBytes(nSequence)); // Sequence
-
- return inputBytes;
- }
+ var inputBytes = stream.ToArray();
+ writer.Close();
+ return inputBytes;
}
- public bool IsCoinBase
+ public bool IsFinal
{
- get { return txID.IsZero; }
+ get { return (nSequence == uint.MaxValue); }
}
-
- public override string ToString ()
+ public override string ToString ()
{
StringBuilder sb = new StringBuilder ();
- if (IsCoinBase)
+ sb.AppendFormat("CTxIn(");
+ sb.Append(prevout.ToString());
+
+ if(prevout.IsNull)
{
- sb.AppendFormat("CTxIn(txId={0}, coinbase={2}, nSequence={3})", txID.ToString(), n, Interop.ToHex(scriptSig.Bytes), nSequence);
+ sb.AppendFormat(", coinbase={0}", Interop.ToHex((byte[])scriptSig));
}
else
{
- sb.AppendFormat("CTxIn(txId={0}, n={1}, scriptSig={2}, nSequence={3})", txID.ToString(), n, scriptSig.ToString(), nSequence);
+ sb.AppendFormat(", scriptsig={0}", scriptSig.ToString());
+ }
+
+ if (nSequence != uint.MaxValue)
+ {
+ sb.AppendFormat(", nSequence={0}", nSequence);
}
- return sb.ToString ();
+ sb.Append(")");
+
+
+ return sb.ToString ();
}
}
}
-
git://git.novaco.in / NovacoinLibrary.git / blobdiff