Correct coinbase handling

[NovacoinLibrary.git] / Novacoin / CTxIn.cs

diff --git a/Novacoin/CTxIn.cs b/Novacoin/CTxIn.cs
index 6c4b5ec..b840f1f 100644 (file)
--- a/Novacoin/CTxIn.cs
+++ b/Novacoin/CTxIn.cs
@@ -1,32 +1,91 @@
 \feffusing System;
+using System.Text;
+using System.Collections.Generic;
 
 namespace Novacoin
 {
+       /// <summary>
+       /// Transaction input.
+       /// </summary>
        public class CTxIn
        {
                /// <summary>
                /// Hash of parent transaction.
                /// </summary>
-               public Hash256 txID;
+               public Hash256 txID = new Hash256();
 
                /// <summary>
                /// Parent input number.
                /// </summary>
-               public uint nInput;
+        public uint n = 0;
 
                /// <summary>
                /// First half of script, signatures for the scriptPubKey
                /// </summary>
-               public byte[] scriptSig;
+        public byte[] scriptSig;
 
                /// <summary>
                /// Transaction variant number, irrelevant if nLockTime isn't specified. Its value is 0xffffffff by default.
                /// </summary>
-               public uint nSequence;
+        public uint nSequence = 0xffffffff;
 
-               public CTxIn ()
+        /// <summary>
+        /// Initialize new CTxIn instance as copy of another one.
+        /// </summary>
+        /// <param name="i">CTxIn instance.</param>
+        public CTxIn(CTxIn i)
+        {
+            txID = i.txID;
+            n = i.n;
+            scriptSig = i.scriptSig;
+            nSequence = i.nSequence;
+        }
+
+        /// <summary>
+        /// Initialize an empty instance of CTxIn class
+        /// </summary>
+        public CTxIn()
+        {
+        }
+
+        /// <summary>
+        /// Get raw bytes representation of our input.
+        /// </summary>
+        /// <returns>Byte sequence.</returns>
+        public IList<byte> ToBytes()
+        {
+            List<byte> inputBytes = new List<byte>();
+
+            inputBytes.AddRange(txID.hashBytes); // Input transaction id
+            inputBytes.AddRange(Interop.LEBytes(n)); // Output number
+            inputBytes.AddRange(VarInt.EncodeVarInt(scriptSig.LongLength)); // scriptSig length
+            inputBytes.AddRange(scriptSig); // scriptSig
+            inputBytes.AddRange(Interop.LEBytes(nSequence)); // Sequence
+
+            return inputBytes;
+        }
+
+        public bool IsCoinBase()
+        {
+            return txID.IsZero();
+        }
+
+               public override string ToString ()
                {
+                       StringBuilder sb = new StringBuilder ();
+
+            if (IsCoinBase())
+            {
+                sb.AppendFormat("CTxIn(txId={0},coinbase={2},nSequence={3})", txID.ToString(), n, Interop.ToHex(scriptSig), nSequence);
+            }
+            else
+            {
+                sb.AppendFormat("CTxIn(txId={0},n={1},scriptSig={2},nSequence={3})", txID.ToString(), n, (new CScript(scriptSig)).ToString(), nSequence);
+            }
+
+                       return sb.ToString ();
                }
+
        }
 }