-\feffusing System;
+\feff/**
+ * Novacoin classes library
+ * Copyright (C) 2015 Alex D. (balthazar.ad@gmail.com)
+
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+using System;
using System.Text;
using System.Collections.Generic;
namespace Novacoin
{
- /// <summary>
- /// Represents the transaction. Any transaction must provide one input and one output at least.
- /// </summary>
- public class CTransaction
- {
- /// <summary>
- /// Version of transaction schema.
- /// </summary>
- public uint nVersion = 1;
-
- /// <summary>
- /// Transaction timestamp.
- /// </summary>
- public uint nTime = 0;
-
- /// <summary>
- /// Array of transaction inputs
- /// </summary>
- public CTxIn[] vin;
-
- /// <summary>
- /// Array of transaction outputs
- /// </summary>
- public CTxOut[] vout;
-
- /// <summary>
- /// Block height or timestamp when transaction is final
- /// </summary>
- public uint nLockTime = 0;
+ /// <summary>
+ /// Represents the transaction. Any transaction must provide one input and one output at least.
+ /// </summary>
+ public class CTransaction
+ {
+ /// <summary>
+ /// Version of transaction schema.
+ /// </summary>
+ public uint nVersion = 1;
+
+ /// <summary>
+ /// Transaction timestamp.
+ /// </summary>
+ public uint nTime = 0;
+
+ /// <summary>
+ /// Array of transaction inputs
+ /// </summary>
+ public CTxIn[] vin;
+
+ /// <summary>
+ /// Array of transaction outputs
+ /// </summary>
+ public CTxOut[] vout;
+
+ /// <summary>
+ /// Block height or timestamp when transaction is final
+ /// </summary>
+ public uint nLockTime = 0;
/// <summary>
/// Initialize an empty instance
/// </summary>
public CTransaction()
{
+ // Initialize empty input and output arrays. Please note that such
+ // configuration is not valid for real transaction, you have to supply
+ // at least one input and one output.
+ vin = new CTxIn[0];
+ vout = new CTxOut[0];
}
/// <summary>
/// Parse byte sequence and initialize new instance of CTransaction
/// </summary>
/// <param name="txBytes">Byte sequence</param>
- public CTransaction (IList<byte> txBytes)
- {
- WrappedList<byte> wBytes = new WrappedList<byte>(txBytes);
+ public CTransaction(IList<byte> txBytes)
+ {
+ var wBytes = new ByteQueue(txBytes);
- nVersion = BitConverter.ToUInt32(wBytes.GetItems(4),0);
- nTime = BitConverter.ToUInt32(wBytes.GetItems(4),0);
+ nVersion = BitConverter.ToUInt32(wBytes.Get(4), 0);
+ nTime = BitConverter.ToUInt32(wBytes.Get(4), 0);
- int nInputs = (int)VarInt.ReadVarInt(ref wBytes);
+ int nInputs = (int)(int)wBytes.GetVarInt();
vin = new CTxIn[nInputs];
for (int nCurrentInput = 0; nCurrentInput < nInputs; nCurrentInput++)
{
// Fill inputs array
vin[nCurrentInput] = new CTxIn();
+
+ vin[nCurrentInput].prevout = new COutPoint(wBytes.Get(36));
- vin[nCurrentInput].txID = new Hash256(wBytes.GetItems(32));
- vin[nCurrentInput].n = BitConverter.ToUInt32(wBytes.GetItems(4), 0);
+ int nScriptSigLen = (int)wBytes.GetVarInt();
+ vin[nCurrentInput].scriptSig = new CScript(wBytes.Get(nScriptSigLen));
- int nScriptSigLen = (int)VarInt.ReadVarInt(ref wBytes);
- vin[nCurrentInput].scriptSig = new CScript(wBytes.GetItems(nScriptSigLen));
- vin[nCurrentInput].nSequence = BitConverter.ToUInt32(wBytes.GetItems(4), 0);
+ vin[nCurrentInput].nSequence = BitConverter.ToUInt32(wBytes.Get(4), 0);
}
- int nOutputs = (int)VarInt.ReadVarInt(ref wBytes);
+ int nOutputs = (int)wBytes.GetVarInt();
vout = new CTxOut[nOutputs];
for (int nCurrentOutput = 0; nCurrentOutput < nOutputs; nCurrentOutput++)
{
// Fill outputs array
vout[nCurrentOutput] = new CTxOut();
- vout[nCurrentOutput].nValue = BitConverter.ToUInt64(wBytes.GetItems(8), 0);
+ vout[nCurrentOutput].nValue = BitConverter.ToInt64(wBytes.Get(8), 0);
- int nScriptPKLen = (int)VarInt.ReadVarInt(ref wBytes);
- vout[nCurrentOutput].scriptPubKey = new CScript(wBytes.GetItems(nScriptPKLen));
+ int nScriptPKLen = (int)wBytes.GetVarInt();
+ vout[nCurrentOutput].scriptPubKey = new CScript(wBytes.Get(nScriptPKLen));
}
- nLockTime = BitConverter.ToUInt32(wBytes.GetItems(4), 0);
- }
+ nLockTime = BitConverter.ToUInt32(wBytes.Get(4), 0);
+ }
/// <summary>
/// Read transactions array which is encoded in the block body.
/// </summary>
/// <param name="wTxBytes">Bytes sequence</param>
/// <returns>Transactions array</returns>
- public static CTransaction[] ReadTransactionsList(ref WrappedList<byte> wTxBytes)
+ public static CTransaction[] ReadTransactionsList(ref ByteQueue wTxBytes)
{
- CTransaction[] tx;
-
// Read amount of transactions
- int nTransactions = (int) VarInt.ReadVarInt(ref wTxBytes);
- tx = new CTransaction[nTransactions];
+ int nTransactions = (int)wTxBytes.GetVarInt();
+ var tx = new CTransaction[nTransactions];
for (int nTx = 0; nTx < nTransactions; nTx++)
{
// Fill the transactions array
tx[nTx] = new CTransaction();
- tx[nTx].nVersion = BitConverter.ToUInt32(wTxBytes.GetItems(4), 0);
- tx[nTx].nTime = BitConverter.ToUInt32(wTxBytes.GetItems(4), 0);
+ tx[nTx].nVersion = BitConverter.ToUInt32(wTxBytes.Get(4), 0);
+ tx[nTx].nTime = BitConverter.ToUInt32(wTxBytes.Get(4), 0);
// Inputs array
tx[nTx].vin = CTxIn.ReadTxInList(ref wTxBytes);
// outputs array
tx[nTx].vout = CTxOut.ReadTxOutList(ref wTxBytes);
- tx[nTx].nLockTime = BitConverter.ToUInt32(wTxBytes.GetItems(4), 0);
+ tx[nTx].nLockTime = BitConverter.ToUInt32(wTxBytes.Get(4), 0);
}
return tx;
}
+ public bool IsCoinBase
+ {
+ get { return (vin.Length == 1 && vin[0].prevout.IsNull && vout.Length >= 1); }
+ }
+
+ public bool IsCoinStake
+ {
+ get
+ {
+ return (vin.Length > 0 && (!vin[0].prevout.IsNull) && vout.Length >= 2 && vout[0].IsEmpty);
+ }
+ }
+
+ /// <summary>
+ /// Transaction hash
+ /// </summary>
+ public Hash256 Hash
+ {
+ get { return Hash256.Compute256(Bytes); }
+ }
+
+ /// <summary>
+ /// A sequence of bytes, which corresponds to the current state of CTransaction.
+ /// </summary>
public IList<byte> Bytes
{
get
{
- List<byte> resultBytes = new List<byte>();
+ var resultBytes = new List<byte>();
// Typical transaction example:
//
resultBytes.AddRange(BitConverter.GetBytes(nTime));
resultBytes.AddRange(VarInt.EncodeVarInt(vin.LongLength));
- foreach (CTxIn input in vin)
+ foreach (var input in vin)
{
resultBytes.AddRange(input.Bytes);
}
resultBytes.AddRange(VarInt.EncodeVarInt(vout.LongLength));
- foreach (CTxOut output in vout)
+ foreach (var output in vout)
{
resultBytes.AddRange(output.Bytes);
}
public override string ToString()
{
- StringBuilder sb = new StringBuilder();
+ var sb = new StringBuilder();
sb.AppendFormat("CTransaction(\n nVersion={0},\n nTime={1},\n", nVersion, nTime);
- foreach (CTxIn txin in vin)
+ foreach (var txin in vin)
{
sb.AppendFormat(" {0},\n", txin.ToString());
}
- foreach (CTxOut txout in vout)
+ foreach (var txout in vout)
{
sb.AppendFormat(" {0},\n", txout.ToString());
}
git://git.novaco.in / NovacoinLibrary.git / blobdiff