\feffusing System;
using System.Text;
+using System.Collections.Generic;
namespace Novacoin
{
/// </summary>
public class CTxIn
{
- /// <summary>
- /// Hash of parent transaction.
- /// </summary>
- public Hash256 txID = new Hash256();
-
- /// <summary>
- /// Parent input number.
- /// </summary>
- public uint nInput = 0;
+ /// <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();
+ }
+
+ /// <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)
+ {
+ CTxIn[] vin;
+
+ // Get amount
+ int nInputs = (int)VarInt.ReadVarInt(ref wBytes);
+ 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)VarInt.ReadVarInt(ref wBytes)));
+ vin[nIndex].nSequence = BitConverter.ToUInt32(wBytes.Get(4), 0);
+ }
- public override string ToString ()
+ // Return inputs array
+ return vin;
+ }
+
+ /// <summary>
+ /// Get raw bytes representation of our input.
+ /// </summary>
+ /// <returns>Byte sequence.</returns>
+ public IList<byte> Bytes
+ {
+ get
+ {
+ List<byte> inputBytes = new List<byte>();
+
+ inputBytes.AddRange(prevout.Bytes); // prevout
+
+ List<byte> s = new List<byte>(scriptSig.Bytes);
+
+ inputBytes.AddRange(VarInt.EncodeVarInt(s.Count)); // scriptSig length
+ inputBytes.AddRange(s); // scriptSig
+ inputBytes.AddRange(BitConverter.GetBytes(nSequence)); // Sequence
+
+ 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(scriptSig.Bytes));
+ }
+ else
+ {
+ sb.AppendFormat(", scriptsig={0}", scriptSig.ToString());
+ }
+
+ if (nSequence != uint.MaxValue)
+ {
+ sb.AppendFormat(", nSequence={0}", nSequence);
+ }
+
+ sb.Append(")");
+
+
+ return sb.ToString ();
}
}