Novacoin/CTxIn.cs

   1 \feffusing System;
   2 using System.Text;
   3 using System.Collections.Generic;
   4
   5 namespace Novacoin
   6 {
   7         /// <summary>
   8         /// Transaction input.
   9         /// </summary>
  10         public class CTxIn
  11         {
  12                 /// <summary>
  13                 /// Hash of parent transaction.
  14                 /// </summary>
  15                 public Hash256 txID = new Hash256();
  16
  17                 /// <summary>
  18                 /// Parent input number.
  19                 /// </summary>
  20         public uint n = 0;
  21
  22                 /// <summary>
  23                 /// First half of script, signatures for the scriptPubKey
  24                 /// </summary>
  25         public byte[] scriptSig;
  26
  27                 /// <summary>
  28                 /// Transaction variant number, irrelevant if nLockTime isn't specified. Its value is 0xffffffff by default.
  29                 /// </summary>
  30         public uint nSequence = 0xffffffff;
  31
  32         /// <summary>
  33         /// Initialize new CTxIn instance as copy of another one.
  34         /// </summary>
  35         /// <param name="i">CTxIn instance.</param>
  36         public CTxIn(CTxIn i)
  37         {
  38             txID = i.txID;
  39             n = i.n;
  40             scriptSig = i.scriptSig;
  41             nSequence = i.nSequence;
  42         }
  43
  44         /// <summary>
  45         /// Initialize an empty instance of CTxIn class
  46         /// </summary>
  47         public CTxIn()
  48         {
  49         }
  50
  51         /// <summary>
  52         /// Get raw bytes representation of our input.
  53         /// </summary>
  54         /// <returns>Byte sequence.</returns>
  55         public IList<byte> ToBytes()
  56         {
  57             List<byte> inputBytes = new List<byte>();
  58
  59             inputBytes.AddRange(txID.hashBytes); // Input transaction id
  60             inputBytes.AddRange(Interop.LEBytes(n)); // Output number
  61             inputBytes.AddRange(VarInt.EncodeVarInt(scriptSig.LongLength)); // scriptSig length
  62             inputBytes.AddRange(scriptSig); // scriptSig
  63             inputBytes.AddRange(Interop.LEBytes(nSequence)); // Sequence
  64
  65             return inputBytes;
  66         }
  67
  68                 public override string ToString ()
  69                 {
  70                         StringBuilder sb = new StringBuilder ();
  71                         sb.AppendFormat ("CTxIn(txId={0},n={1},scriptSig={2})", txID.ToString(), n, (new CScript(scriptSig)).ToString());
  72
  73                         return sb.ToString ();
  74                 }
  75
  76         }
  77 }
  78