#ifndef BITCOIN_MAIN_H
#define BITCOIN_MAIN_H
+#include "timestamps.h"
#include "bignum.h"
#include "sync.h"
#include "net.h"
static const unsigned int UNDOFILE_CHUNK_SIZE = 0x100000; // 1 MiB
static const unsigned int MEMPOOL_HEIGHT = 0x7FFFFFFF;
-static const int64 MIN_TX_FEE = CENT;
-static const int64 MIN_RELAY_TX_FEE = CENT;
+static const int64 MIN_TX_FEE = CENT / 20;
+static const int64 MIN_RELAY_TX_FEE = CENT / 50;
+
static const int64 MAX_MONEY = 2000000000 * COIN;
static const int64 MAX_MINT_PROOF_OF_WORK = 100 * COIN;
static const int64 MAX_MINT_PROOF_OF_STAKE = 1 * COIN;
-static const int64 MIN_TXOUT_AMOUNT = MIN_TX_FEE;
-
-static const unsigned int ENTROPY_SWITCH_TIME = 1362791041; // Sat, 09 Mar 2013 01:04:01 GMT
-static const unsigned int STAKE_SWITCH_TIME = 1371686400; // Thu, 20 Jun 2013 00:00:00 GMT
-static const unsigned int TARGETS_SWITCH_TIME = 1374278400; // Sat, 20 Jul 2013 00:00:00 GMT
-static const unsigned int CHAINCHECKS_SWITCH_TIME = 1379635200; // Fri, 20 Sep 2013 00:00:00 GMT
-static const unsigned int STAKECURVE_SWITCH_TIME = 1382227200; // Sun, 20 Oct 2013 00:00:00 GMT
-static const unsigned int OUTPUT_SWITCH_TIME = 1398916800; // Thu, 01 May 2014 04:00:00 GMT
-
+static const int64 MIN_TXOUT_AMOUNT = CENT / 100;
inline bool MoneyRange(int64 nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
// Threshold for nLockTime: below this value it is interpreted as block number, otherwise as UNIX timestamp.
extern int64 nMinimumInputValue;
extern bool fUseFastIndex;
extern unsigned int nDerivationMethodIndex;
+extern bool fEnforceCanonical;
// Minimum disk space required - used in CheckDiskSpace()
static const uint64 nMinDiskSpace = 52428800;
return SerializeHash(*this);
}
+ uint256 GetMetaHash() const
+ {
+ return SignatureHash(CScript(), *this, 0, SIGHASH_ALL);
+ }
+
bool IsFinal(int nBlockHeight=0, int64 nBlockTime=0) const
{
// Time based nLockTime implemented in 0.1.6
return dPriority > COIN * 144 / 250;
}
- int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=false, enum GetMinFee_mode mode=GMF_BLOCK, unsigned int nBytes = 0) const;
+ int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=false, enum GetMinFee_mode mode=GMF_BLOCK, unsigned int nBytes = 0, int64 nMinTxFee = MIN_TX_FEE, int64 nMinRelayTxFee = MIN_RELAY_TX_FEE) const;
friend bool operator==(const CTransaction& a, const CTransaction& b)
{
*
* Serialized format:
* - VARINT(nVersion)
+ * - VARINT(nFlags)
* - VARINT(nCode)
* - unspentness bitvector, for vout[2] and further; least significant byte first
* - the non-spent CTxOuts (via CTxOutCompressor)
* - VARINT(nTime + is_coinstake)
* - VARINT(nBlockTime)
*
+ * The nFlag value consists of:
+ * - bit 1: is coinbase
+ * - bit 2: is coinstake
+ * - bit 3: is pruned
+ *
* The nCode value consists of:
- * - bit 1: IsCoinBase()
* - bit 2: vout[0] is not spent
* - bit 4: vout[1] is not spent
* - The higher bits encode N, the number of non-zero bytes in the following bitvector.
* - In case both bit 2 and bit 4 are unset, they encode N-1, as there must be at
* least one non-spent output).
*
- * Example: 0104835800816115944e077fe7c803cfa57f29b36bf87c1d358bb85e40f1d75240f1d752
- * <><><--------------------------------------------><----><------><------>
- * | \ | / / /
- * version code vout[1] height timestamp block timestamp
+ * Example: 010004835800816115944e077fe7c803cfa57f29b36bf87c1d358bb85e40f1d75240f1d752
+ * <><><><--------------------------------------------><----><------><------>
+ * | | \ | / / /
+ * version | code vout[1] height timestamp block timestamp
+ * flags
*
* - version = 1
+ * - flags = 4
* - code = 4 (vout[1] is not spent, and 0 non-zero bytes of bitvector follow)
* - unspentness bitvector: as 0 non-zero bytes follow, it has length 0
* - vout[1]: 835800816115944e077fe7c803cfa57f29b36bf87c1d35
* * 816115944e077fe7c803cfa57f29b36bf87c1d35: address uint160
* - height = 203998
* - time = 1389883712
+ * - is_coinbase = 0
* - is_coinstake = 0
* - block time = 1389883712
*
*
- * Example: 0109044086ef97d5790061b01caab50f1b8e9c50a5057eb43c2d9563a4eebbd123008c988f1a4a4de2161e0f50aac7f17e7f9555caa486af3b40f1d75240f1d752
- * <><><--><--------------------------------------------------><----------------------------------------------><----><------><------>
- * / \ \ | | / / /
- * version code unspentness vout[4] vout[16] height timestamp block timestamp
+ * Example: 010508044086ef97d5790061b01caab50f1b8e9c50a5057eb43c2d9563a4eebbd123008c988f1a4a4de2161e0f50aac7f17e7f9555caa486af3b40f1d75240f1d752
+ * <><><><--><--------------------------------------------------><----------------------------------------------><----><------><------>
+ * / | \ \ | | / / /
+ * version | code unspentness vout[4] vout[16] height timestamp block timestamp
+ * flags
*
* - version = 1
- * - code = 9 (coinbase, neither vout[0] or vout[1] are unspent,
+ * - flags = 5
+ * - code = 8 (neither vout[0] or vout[1] are unspent,
* 2 (1, +1 because both bit 2 and bit 4 are unset) non-zero bitvector bytes follow)
* - unspentness bitvector: bits 2 (0x04) and 14 (0x4000) are set, so vout[2+2] and vout[14+2] are unspent
* - vout[4]: 86ef97d5790061b01caab50f1b8e9c50a5057eb43c2d9563a4ee
* * 8c988f1a4a4de2161e0f50aac7f17e7f9555caa4: address uint160
* - height = 120891
* - time = 1389883712
+ * - is_coinbase = 1
* - is_coinstake = 0
* - block time = 1389883712
+ *
+ * Example: 010686af3b40f1d75240f1d752
+ * <><><----><------><------>
+ * / | \ | \
+ * version flags height timestamp block timestamp
+ *
+ * - version = 1
+ * - flags = 6 (00000110)
+ * - height = 120891
+ * - time = 1389883712
+ * - is_coinbase = 0
+ * - is_coinstake = 1
+ * - block time = 1389883712
*/
class CCoins
{
// remove spent outputs at the end of vout
void Cleanup() {
- while (vout.size() > 0 && vout.back().IsNull())
+ while (vout.size() > 0 && (vout.back().IsNull() || vout.back().IsEmpty()))
vout.pop_back();
}
unsigned int GetSerializeSize(int nType, int nVersion) const {
unsigned int nSize = 0;
+ bool fPruned = IsPruned();
// version
nSize += ::GetSerializeSize(VARINT(this->nVersion), nType, nVersion);
+ unsigned char nFlags = 0;
+ // coinbase, coinstake and prune flags
+ nFlags = (fCoinBase ? 1 : 0)<<0 | (fCoinStake ? 1 : 0)<<1 | (fPruned ? 1 : 0)<<2;
+ // size of flags
+ nSize += ::GetSerializeSize(VARINT(nFlags), nType, nVersion);
if (!IsPruned()) {
unsigned int nMaskSize = 0, nMaskCode = 0;
bool fSecond = vout.size() > 1 && !vout[1].IsNull();
assert(fFirst || fSecond || nMaskCode);
- unsigned int nCode = 8*(nMaskCode - (fFirst || fSecond ? 0 : 1)) + (fCoinBase ? 1 : 0) + (fFirst ? 2 : 0) + (fCoinStake ? 1 : 0) + (fSecond ? 4 : 0);
+ unsigned int nCode = 8*(nMaskCode - (fFirst || fSecond ? 0 : 1)) + (fFirst ? 2 : 0) + (fSecond ? 4 : 0);
// size of header code
nSize += ::GetSerializeSize(VARINT(nCode), nType, nVersion);
// spentness bitmask
for (unsigned int i = 0; i < vout.size(); i++)
if (!vout[i].IsNull())
nSize += ::GetSerializeSize(CTxOutCompressor(REF(vout[i])), nType, nVersion);
+ // height
+ nSize += ::GetSerializeSize(VARINT(nHeight), nType, nVersion);
+ // timestamp and coinstake flag
+ nSize += ::GetSerializeSize(VARINT(nTime), nType, nVersion);
+ // block timestamp
+ nSize += ::GetSerializeSize(VARINT(nBlockTime), nType, nVersion);
}
else {
- unsigned int nCode = UINT_MAX;
- // size of header code
- nSize += ::GetSerializeSize(VARINT(nCode), nType, nVersion);
+ // size of height
+ nSize += ::GetSerializeSize(VARINT(nHeight), nType, nVersion);
+ // size of timestamp
+ nSize += ::GetSerializeSize(VARINT(nTime), nType, nVersion);
+ // size of block timestamp
+ nSize += ::GetSerializeSize(VARINT(nBlockTime), nType, nVersion);
}
- // height
- nSize += ::GetSerializeSize(VARINT(nHeight), nType, nVersion);
- // timestamp and coinstake flag
- nSize += ::GetSerializeSize(VARINT(nTime*2+(fCoinStake ? 1 : 0)), nType, nVersion);
- // block timestamp
- nSize += ::GetSerializeSize(VARINT(nBlockTime), nType, nVersion);
return nSize;
}
template<typename Stream>
void Serialize(Stream &s, int nType, int nVersion) const {
- unsigned int nMaskSize = 0, nMaskCode = 0;
- CalcMaskSize(nMaskSize, nMaskCode);
- bool fFirst = vout.size() > 0 && !vout[0].IsNull();
- bool fSecond = vout.size() > 1 && !vout[1].IsNull();
+ bool fPruned = IsPruned();
+ unsigned char nFlags = 0;
+ nFlags = (fCoinBase ? 1 : 0)<<0 | (fCoinStake ? 1 : 0)<<1 | (fPruned ? 1 : 0)<<2;
// version
::Serialize(s, VARINT(this->nVersion), nType, nVersion);
+ // flags
+ ::Serialize(s, VARINT(nFlags), nType, nVersion);
+
+ if (!fPruned) {
+ unsigned int nMaskSize = 0, nMaskCode = 0;
+ CalcMaskSize(nMaskSize, nMaskCode);
+ bool fFirst = vout.size() > 0 && !vout[0].IsNull();
+ bool fSecond = vout.size() > 1 && !vout[1].IsNull();
- if (!IsPruned()) {
assert(fFirst || fSecond || nMaskCode);
- unsigned int nCode = 8*(nMaskCode - (fFirst || fSecond ? 0 : 1)) + (fCoinBase ? 1 : 0) + (fFirst ? 2 : 0) + (fSecond ? 4 : 0);
+
+ unsigned int nCode = 8*(nMaskCode - (fFirst || fSecond ? 0 : 1)) + (fFirst ? 2 : 0) + (fSecond ? 4 : 0);
+
// header code
::Serialize(s, VARINT(nCode), nType, nVersion);
// spentness bitmask
if (!vout[i].IsNull())
::Serialize(s, CTxOutCompressor(REF(vout[i])), nType, nVersion);
}
+ // coinbase height
+ ::Serialize(s, VARINT(nHeight), nType, nVersion);
+ // transaction timestamp and coinstake flag
+ ::Serialize(s, VARINT(nTime), nType, nVersion);
+ // block timestamp
+ ::Serialize(s, VARINT(nBlockTime), nType, nVersion);
}
else {
- unsigned int nCode = UINT_MAX;
- // size of header code
- ::Serialize(s, VARINT(nCode), nType, nVersion);
+ // coinbase height
+ ::Serialize(s, VARINT(nHeight), nType, nVersion);
+ // transaction timestamp
+ ::Serialize(s, VARINT(nTime), nType, nVersion);
+ // block timestamp
+ ::Serialize(s, VARINT(nBlockTime), nType, nVersion);
}
- // coinbase height
- ::Serialize(s, VARINT(nHeight), nType, nVersion);
- // transaction timestamp and coinstake flag
- ::Serialize(s, VARINT(nTime*2+(fCoinStake ? 1 : 0)), nType, nVersion);
- // block time
- ::Serialize(s, VARINT(nBlockTime), nType, nVersion);
}
template<typename Stream>
void Unserialize(Stream &s, int nType, int nVersion) {
- unsigned int nCode = 0, nCodeTime = 0;
+ unsigned char nFlags = 0;
+
// version
::Unserialize(s, VARINT(this->nVersion), nType, nVersion);
- // header code
- ::Unserialize(s, VARINT(nCode), nType, nVersion);
- if (nCode != UINT_MAX)
- {
- fCoinBase = nCode & 1;
+ // coinbase and coinstake flags
+ ::Unserialize(s, VARINT(nFlags), nType, nVersion);
+
+ fCoinBase = nFlags & (1<<0);
+ fCoinStake = nFlags & (1<<1);
+ bool fPruned = nFlags & (1<<2);
+
+ if (!fPruned) {
+ unsigned int nCode = 0;
+ // header code
+ ::Unserialize(s, VARINT(nCode), nType, nVersion);
std::vector<bool> vAvail(2, false);
vAvail[0] = nCode & 2;
vAvail[1] = nCode & 4;
if (vAvail[i])
::Unserialize(s, REF(CTxOutCompressor(vout[i])), nType, nVersion);
}
+ // coinbase height
+ ::Unserialize(s, VARINT(nHeight), nType, nVersion);
+ // transaction timestamp
+ ::Unserialize(s, VARINT(nTime), nType, nVersion);
+ nTime = nTime;
+ // block timestamp
+ ::Unserialize(s, VARINT(nBlockTime), nType, nVersion);
+ }
+ else {
+ // coinbase height
+ ::Unserialize(s, VARINT(nHeight), nType, nVersion);
+ // transaction timestamp
+ ::Unserialize(s, VARINT(nTime), nType, nVersion);
+ // block timestamp
+ ::Unserialize(s, VARINT(nBlockTime), nType, nVersion);
}
- // coinbase height
- ::Unserialize(s, VARINT(nHeight), nType, nVersion);
- // transaction timestamp
- ::Unserialize(s, VARINT(nCodeTime), nType, nVersion);
- nTime = nCodeTime / 2;
- fCoinStake = nCodeTime & 1;
- // block timestamp
- ::Unserialize(s, VARINT(nBlockTime), nType, nVersion);
Cleanup();
}
BOOST_FOREACH(const CTxOut &out, vout)
if (!out.IsNull())
return false;
+
return true;
}
};
void UpdateTime(const CBlockIndex* pindexPrev);
- // ppcoin: entropy bit for stake modifier if chosen by modifier
- unsigned int GetStakeEntropyBit(unsigned int nTime) const
- {
- // Protocol switch to support p2pool at novacoin block #9689
- if (nTime >= ENTROPY_SWITCH_TIME || fTestNet)
- {
- // Take last bit of block hash as entropy bit
- unsigned int nEntropyBit = ((GetHash().Get64()) & 1llu);
- if (fDebug && GetBoolArg("-printstakemodifier"))
- printf("GetStakeEntropyBit: nTime=%u hashBlock=%s nEntropyBit=%u\n", nTime, GetHash().ToString().c_str(), nEntropyBit);
- return nEntropyBit;
- }
- // Before novacoin block #9689 - old protocol
- uint160 hashSig = Hash160(vchBlockSig);
- if (fDebug && GetBoolArg("-printstakemodifier"))
- printf("GetStakeEntropyBit: hashSig=%s", hashSig.ToString().c_str());
- hashSig >>= 159; // take the first bit of the hash
- if (fDebug && GetBoolArg("-printstakemodifier"))
- printf(" entropybit=%"PRI64d"\n", hashSig.Get64());
- return hashSig.Get64();
- }
+ unsigned int GetStakeEntropyBit(unsigned int nTime) const;
- // ppcoin: two types of block: proof-of-work or proof-of-stake
+ // two types of block: proof-of-work or proof-of-stake
bool IsProofOfStake() const
{
return (vtx.size() > 1 && vtx[1].IsCoinStake());
return IsProofOfStake()? std::make_pair(vtx[1].vin[0].prevout, vtx[1].nTime) : std::make_pair(COutPoint(), (unsigned int)0);
}
- // ppcoin: get max transaction timestamp
+ // get max transaction timestamp
int64 GetMaxTransactionTime() const
{
int64 maxTransactionTime = 0;
git://git.novaco.in / novacoin.git / blobdiff