Novacoin/CTxOut.cs

   1 \feffusing System;
   2 using System.Text;
   3 using System.Collections.Generic;
   4
   5 namespace Novacoin
   6 {
   7         /// <summary>
   8         /// Transaction output.
   9         /// </summary>
  10         public class CTxOut
  11         {
  12                 /// <summary>
  13                 /// Input value.
  14                 /// </summary>
  15                 private ulong nValue;
  16
  17                 /// <summary>
  18                 /// Second half of script which contains spending instructions.
  19                 /// </summary>
  20                 private byte[] scriptPubKey;
  21
  22         /// <summary>
  23         /// Initialize new CTxOut instance as a copy of another instance.
  24         /// </summary>
  25         /// <param name="o">CTxOut instance.</param>
  26         public CTxOut(CTxOut o)
  27         {
  28             nValue = o.nValue;
  29             scriptPubKey = o.scriptPubKey;
  30         }
  31
  32         /// <summary>
  33         /// Parse input byte sequence and initialize new CTxOut instance.
  34         /// </summary>
  35         /// <param name="bytes">Byte sequence.</param>
  36         public CTxOut(IList<byte> bytes)
  37         {
  38             WrappedList<byte> wBytes = new WrappedList<byte>(bytes);
  39
  40             nValue = Interop.LEBytesToUInt64(wBytes.GetItems(8));
  41             int spkLength = (int)VarInt.ReadVarInt(wBytes);
  42
  43             scriptPubKey = wBytes.GetItems(spkLength);
  44         }
  45
  46         /// <summary>
  47         /// Get raw bytes representation of our output.
  48         /// </summary>
  49         /// <returns>Byte sequence.</returns>
  50         public IList<byte> ToBytes()
  51         {
  52             List<byte> resultBytes = new List<byte>();
  53
  54             resultBytes.AddRange(Interop.LEBytes(nValue)); // txout value
  55             resultBytes.AddRange(VarInt.EncodeVarInt(scriptPubKey.LongLength)); // scriptPubKey length
  56             resultBytes.AddRange(scriptPubKey); // scriptPubKey
  57
  58             return resultBytes;
  59         }
  60
  61                 public override string ToString ()
  62                 {
  63                         StringBuilder sb = new StringBuilder ();
  64                         sb.AppendFormat ("CTxOut(nValue={0},scriptPubKey={1}", nValue, scriptPubKey.ToString());
  65
  66                         return sb.ToString ();
  67                 }
  68         }
  69 }
  70