\feffusing System;
+using System.Text;
+using System.Collections.Generic;
namespace Novacoin
{
/// <summary>
/// Input value.
/// </summary>
- public ulong nValue;
+ public long nValue = -1;
/// <summary>
/// Second half of script which contains spending instructions.
/// </summary>
- public byte[] scriptPubKey;
+ public CScript scriptPubKey;
- public CTxOut ()
+ /// <summary>
+ /// Initialize new CTxOut instance as a copy of another instance.
+ /// </summary>
+ /// <param name="o">CTxOut instance.</param>
+ public CTxOut(CTxOut o)
+ {
+ nValue = o.nValue;
+ scriptPubKey = o.scriptPubKey;
+ }
+
+ /// <summary>
+ /// Initialize an empty instance of CTxOut class
+ /// </summary>
+ public CTxOut()
+ {
+ SetEmpty();
+ }
+
+ /// <summary>
+ /// Read vout list from byte sequence.
+ /// </summary>
+ /// <param name="wBytes">Reference to byte sequence</param>
+ /// <returns>Outputs array</returns>
+ public static CTxOut[] ReadTxOutList(ref WrappedList<byte> wBytes)
+ {
+ int nOutputs = (int)VarInt.ReadVarInt(ref wBytes);
+ CTxOut[] vout =new CTxOut[nOutputs];
+
+ for (int nIndex = 0; nIndex < nOutputs; nIndex++)
+ {
+ // Fill outputs array
+ vout[nIndex] = new CTxOut();
+ vout[nIndex].nValue = BitConverter.ToUInt32(wBytes.GetItems(8), 0);
+
+ int nScriptPKLen = (int)VarInt.ReadVarInt(ref wBytes);
+ vout[nIndex].scriptPubKey = new CScript(wBytes.GetItems(nScriptPKLen));
+ }
+
+ return vout;
+ }
+
+ /// <summary>
+ /// Get raw bytes representation of our output.
+ /// </summary>
+ /// <returns>Byte sequence.</returns>
+ public IList<byte> Bytes
+ {
+ get
+ {
+ List<byte> resultBytes = new List<byte>();
+
+ resultBytes.AddRange(BitConverter.GetBytes(nValue)); // txout value
+
+ List<byte> s = new List<byte>(scriptPubKey.Bytes);
+
+ resultBytes.AddRange(VarInt.EncodeVarInt(s.Count)); // scriptPubKey length
+ resultBytes.AddRange(s); // scriptPubKey
+
+ return resultBytes;
+ }
+ }
+
+ /// <summary>
+ /// Null prevouts have -1 value
+ /// </summary>
+ public void SetNull()
+ {
+ nValue = -1;
+ scriptPubKey = new CScript();
+ }
+
+ /// <summary>
+ /// Empty outputs have zero value and empty scriptPubKey
+ /// </summary>
+ public void SetEmpty()
+ {
+ nValue = 0;
+ scriptPubKey = new CScript();
+ }
+
+ public bool IsNull
+ {
+ get { return (nValue == -1); }
+ }
+
+ public bool IsEmpty
+ {
+ get { return nValue == 0 && scriptPubKey.IsNull; }
+ }
+
+ public override string ToString ()
{
+ StringBuilder sb = new StringBuilder ();
+ sb.AppendFormat ("CTxOut(nValue={0}, scriptPubKey={1})", nValue, scriptPubKey.ToString());
+
+ return sb.ToString ();
}
}
}