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         public ulong nValue;
  16
  17                 /// <summary>
  18                 /// Second half of script which contains spending instructions.
  19                 /// </summary>
  20         public CScript 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         /// Initialize an empty instance of CTxOut class
  34         /// </summary>
  35         public CTxOut()
  36         {
  37         }
  38
  39         /// <summary>
  40         /// Read vout list from byte sequence.
  41         /// </summary>
  42         /// <param name="wBytes">Reference to byte sequence</param>
  43         /// <returns>Outputs array</returns>
  44         public static CTxOut[] ReadTxOutList(ref WrappedList<byte> wBytes)
  45         {
  46             int nOutputs = (int)VarInt.ReadVarInt(ref wBytes);
  47             CTxOut[] vout =new CTxOut[nOutputs];
  48
  49             for (int nIndex = 0; nIndex < nOutputs; nIndex++)
  50             {
  51                 // Fill outputs array
  52                 vout[nIndex] = new CTxOut();
  53                 vout[nIndex].nValue = BitConverter.ToUInt32(wBytes.GetItems(8), 0);
  54
  55                 int nScriptPKLen = (int)VarInt.ReadVarInt(ref wBytes);
  56                 vout[nIndex].scriptPubKey = new CScript(wBytes.GetItems(nScriptPKLen));
  57             }
  58
  59             return vout;
  60         }
  61
  62         /// <summary>
  63         /// Get raw bytes representation of our output.
  64         /// </summary>
  65         /// <returns>Byte sequence.</returns>
  66         public IList<byte> Bytes
  67         {
  68             get
  69             {
  70                 List<byte> resultBytes = new List<byte>();
  71
  72                 resultBytes.AddRange(BitConverter.GetBytes(nValue)); // txout value
  73
  74                 List<byte> s = new List<byte>(scriptPubKey.Bytes);
  75
  76                 resultBytes.AddRange(VarInt.EncodeVarInt(s.Count)); // scriptPubKey length
  77                 resultBytes.AddRange(s); // scriptPubKey
  78
  79                 return resultBytes;
  80             }
  81         }
  82
  83                 public override string ToString ()
  84                 {
  85                         StringBuilder sb = new StringBuilder ();
  86                         sb.AppendFormat ("CTxOut(nValue={0}, scriptPubKey={1})", nValue, scriptPubKey.ToString());
  87
  88                         return sb.ToString ();
  89                 }
  90         }
  91 }
  92