using System.Text;
using System.Collections.Generic;
using System.IO;
+using System.Diagnostics.Contracts;
+using System.Numerics;
namespace Novacoin
{
}
/// <summary>
- /// Represents the transaction. Any transaction must provide one input and one output at least.
+ /// Represents the transaction.
/// </summary>
public class CTransaction
{
/// <summary>
+ /// One cent = 10000 satoshis.
+ /// </summary>
+ public const ulong nCent = 10000;
+
+ /// <summary>
/// One coin = 1000000 satoshis.
/// </summary>
public const ulong nCoin = 1000000;
public const ulong nMaxMoney = 2000000000 * nCoin;
/// <summary>
+ /// Maximum transaction size is 250Kb
+ /// </summary>
+ public const uint nMaxTxSize = 250000;
+
+ /// <summary>
/// Version of transaction schema.
/// </summary>
public uint nVersion;
return true;
}
- CTransaction txPrev = null;
+ TxOutItem txOutCursor = null;
for (int i = 0; i < vin.Length; i++)
{
var outpoint = vin[i].prevout;
- if (!CBlockStore.Instance.GetTransaction(outpoint.hash, ref txPrev))
+ if (!CBlockStore.Instance.GetTxOutCursor(outpoint, ref txOutCursor))
return false;
- if (!ScriptCode.VerifyScript(vin[i].scriptSig, txPrev.vout[outpoint.n].scriptPubKey, this, i, (int)scriptflag.SCRIPT_VERIFY_P2SH, 0))
+ if (!ScriptCode.VerifyScript(vin[i].scriptSig, txOutCursor.scriptPubKey, this, i, (int)scriptflag.SCRIPT_VERIFY_P2SH, 0))
return false;
}
/// <returns>Checking result</returns>
public bool CheckTransaction()
{
- if (Size > 250000 || vin.Length == 0 || vout.Length == 0)
+ if (Size > nMaxTxSize || vin.Length == 0 || vout.Length == 0)
{
return false;
}
}
if (nBlockTime == 0)
{
- nBlockTime = NetUtils.GetAdjustedTime();
+ nBlockTime = NetInfo.GetAdjustedTime();
}
- if (nLockTime < (nLockTime < NetUtils.nLockTimeThreshold ? nBlockHeight : nBlockTime))
+ if (nLockTime < (nLockTime < NetInfo.nLockTimeThreshold ? nBlockHeight : nBlockTime))
{
return true;
}
/// <summary>
/// Transaction hash
/// </summary>
- public Hash256 Hash
+ public uint256 Hash
{
- get { return Hash256.Compute256(this); }
+ get { return CryptoUtils.ComputeHash256(this); }
+ }
+
+ /// <summary>
+ /// Amount of novacoins spent by this transaction.
+ /// </summary>
+ public ulong nValueOut
+ {
+ get
+ {
+ ulong nValueOut = 0;
+ foreach (var txout in vout)
+ {
+ nValueOut += txout.nValue;
+ Contract.Assert(MoneyRange(txout.nValue) && MoneyRange(nValueOut));
+ }
+ return nValueOut;
+ }
}
/// <summary>
foreach (var txin in vin)
{
- sb.AppendFormat(" {0},\n", txin.ToString());
+ sb.AppendFormat(" {0},\n", txin);
}
foreach (var txout in vout)
{
- sb.AppendFormat(" {0},\n", txout.ToString());
+ sb.AppendFormat(" {0},\n", txout);
}
sb.AppendFormat("\nnLockTime={0}\n)", nLockTime);
}
public static bool MoneyRange(ulong nValue) { return (nValue <= nMaxMoney); }
+
+ internal uint GetP2SHSigOpCount(Dictionary<COutPoint, TxOutItem> inputs)
+ {
+ throw new NotImplementedException();
+ }
+
+ internal ulong GetValueIn(Dictionary<COutPoint, TxOutItem> inputs)
+ {
+ throw new NotImplementedException();
+ }
}
}