#include "script.h"
#include "scrypt.h"
+#include <limits>
#include <list>
#include <map>
static const int64_t MIN_TX_FEE = CENT/10;
static const int64_t MIN_RELAY_TX_FEE = CENT/50;
-static const int64_t MAX_MONEY = 2000000000 * COIN;
+static const int64_t MAX_MONEY = std::numeric_limits<int64_t>::max();
static const int64_t MAX_MINT_PROOF_OF_WORK = 100 * COIN;
static const int64_t MAX_MINT_PROOF_OF_STAKE = 1 * COIN;
static const int64_t MIN_TXOUT_AMOUNT = CENT/100;
+
inline bool MoneyRange(int64_t nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
// Threshold for nLockTime: below this value it is interpreted as block number, otherwise as UNIX timestamp.
static const unsigned int LOCKTIME_THRESHOLD = 500000000; // Tue Nov 5 00:53:20 1985 UTC
// Maximum number of script-checking threads allowed
static const int MAX_SCRIPTCHECK_THREADS = 16;
-#ifdef USE_UPNP
-static const int fHaveUPnP = true;
-#else
-static const int fHaveUPnP = false;
-#endif
-
static const uint256 hashGenesisBlock("0x00000a060336cbb72fe969666d337b87198b1add2abaa59cca226820b32933a4");
static const uint256 hashGenesisBlockTestNet("0x000c763e402f2436da9ed36c7286f62c3f6e5dbafce9ff289bd43d7459327eb");
-inline int64_t PastDrift(int64_t nTime) { return nTime - 2 * 60 * 60; } // up to 2 hours from the past
-inline int64_t FutureDrift(int64_t nTime) { return nTime + 2 * 60 * 60; } // up to 2 hours from the future
+inline int64_t PastDrift(int64_t nTime) { return nTime - 2 * nOneHour; } // up to 2 hours from the past
+inline int64_t FutureDrift(int64_t nTime) { return nTime + 2 * nOneHour; } // up to 2 hours from the future
extern CScript COINBASE_FLAGS;
extern CCriticalSection cs_main;
extern unsigned int nTransactionsUpdated;
extern uint64_t nLastBlockTx;
extern uint64_t nLastBlockSize;
-extern int64_t nLastCoinStakeSearchInterval;
+extern uint32_t nLastCoinStakeSearchInterval;
extern const std::string strMessageMagic;
extern int64_t nTimeBestReceived;
extern CCriticalSection cs_setpwalletRegistered;
extern int64_t nTransactionFee;
extern int64_t nMinimumInputValue;
extern bool fUseFastIndex;
-extern unsigned int nDerivationMethodIndex;
extern int nScriptCheckThreads;
+extern const uint256 entropyStore[38];
// Minimum disk space required - used in CheckDiskSpace()
static const uint64_t nMinDiskSpace = 52428800;
bool CheckDiskSpace(uint64_t nAdditionalBytes=0);
FILE* OpenBlockFile(unsigned int nFile, unsigned int nBlockPos, const char* pszMode="rb");
FILE* AppendBlockFile(unsigned int& nFileRet);
+
+void UnloadBlockIndex();
bool LoadBlockIndex(bool fAllowNew=true);
void PrintBlockTree();
CBlockIndex* FindBlockByHeight(int nHeight);
bool ProcessMessages(CNode* pfrom);
-bool SendMessages(CNode* pto, bool fSendTrickle);
+bool SendMessages(CNode* pto);
bool LoadExternalBlockFile(FILE* fileIn);
// Run an instance of the script checking thread
bool CheckProofOfWork(uint256 hash, unsigned int nBits);
unsigned int GetNextTargetRequired(const CBlockIndex* pindexLast, bool fProofOfStake);
int64_t GetProofOfWorkReward(unsigned int nBits, int64_t nFees=0);
-int64_t GetProofOfStakeReward(int64_t nCoinAge, unsigned int nBits, unsigned int nTime, bool bCoinYearOnly=false);
+int64_t GetProofOfStakeReward(int64_t nCoinAge, unsigned int nBits, int64_t nTime, bool bCoinYearOnly=false);
unsigned int ComputeMinWork(unsigned int nBase, int64_t nTime);
unsigned int ComputeMinStake(unsigned int nBase, int64_t nTime, unsigned int nBlockTime);
int GetNumBlocksOfPeers();
bool GetTransaction(const uint256 &hash, CTransaction &tx, uint256 &hashBlock);
uint256 WantedByOrphan(const CBlock* pblockOrphan);
const CBlockIndex* GetLastBlockIndex(const CBlockIndex* pindex, bool fProofOfStake);
-void StakeMiner(CWallet *pwallet);
-void ResendWalletTransactions();
+void ResendWalletTransactions(bool fForceResend=false);
bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
class CDiskTxPos
{
public:
- unsigned int nFile;
- unsigned int nBlockPos;
- unsigned int nTxPos;
+ uint32_t nFile;
+ uint32_t nBlockPos;
+ uint32_t nTxPos;
CDiskTxPos()
{
}
IMPLEMENT_SERIALIZE( READWRITE(FLATDATA(*this)); )
- void SetNull() { nFile = (unsigned int) -1; nBlockPos = 0; nTxPos = 0; }
- bool IsNull() const { return (nFile == (unsigned int) -1); }
+ void SetNull() { nFile = std::numeric_limits<uint32_t>::max(); nBlockPos = 0; nTxPos = 0; }
+ bool IsNull() const { return (nFile == std::numeric_limits<uint32_t>::max()); }
friend bool operator==(const CDiskTxPos& a, const CDiskTxPos& b)
{
{
public:
CTransaction* ptx;
- unsigned int n;
+ uint32_t n;
CInPoint() { SetNull(); }
CInPoint(CTransaction* ptxIn, unsigned int nIn) { ptx = ptxIn; n = nIn; }
- void SetNull() { ptx = NULL; n = (unsigned int) -1; }
- bool IsNull() const { return (ptx == NULL && n == (unsigned int) -1); }
+ void SetNull() { ptx = NULL; n = std::numeric_limits<uint32_t>::max(); }
+ bool IsNull() const { return (ptx == NULL && n == std::numeric_limits<uint32_t>::max()); }
};
{
public:
uint256 hash;
- unsigned int n;
+ uint32_t n;
COutPoint() { SetNull(); }
COutPoint(uint256 hashIn, unsigned int nIn) { hash = hashIn; n = nIn; }
IMPLEMENT_SERIALIZE( READWRITE(FLATDATA(*this)); )
- void SetNull() { hash = 0; n = (unsigned int) -1; }
- bool IsNull() const { return (hash == 0 && n == (unsigned int) -1); }
+ void SetNull() { hash = 0; n = std::numeric_limits<uint32_t>::max(); }
+ bool IsNull() const { return (hash == 0 && n == std::numeric_limits<uint32_t>::max()); }
friend bool operator<(const COutPoint& a, const COutPoint& b)
{
public:
COutPoint prevout;
CScript scriptSig;
- unsigned int nSequence;
+ uint32_t nSequence;
CTxIn()
{
{
GMF_BLOCK,
GMF_RELAY,
- GMF_SEND,
+ GMF_SEND
};
typedef std::map<uint256, std::pair<CTxIndex, CTransaction> > MapPrevTx;
public:
static const int CURRENT_VERSION=1;
int nVersion;
- unsigned int nTime;
+ uint32_t nTime;
std::vector<CTxIn> vin;
std::vector<CTxOut> vout;
- unsigned int nLockTime;
+ uint32_t nLockTime;
// Denial-of-service detection:
mutable int nDoS;
void SetNull()
{
nVersion = CTransaction::CURRENT_VERSION;
- nTime = GetAdjustedTime();
+ nTime = (uint32_t) GetAdjustedTime();
vin.clear();
vout.clear();
nLockTime = 0;
/** Check for standard transaction types
@return True if all outputs (scriptPubKeys) use only standard transaction forms
*/
- bool IsStandard() const;
+ bool IsStandard(std::string& strReason) const;
+ bool IsStandard() const
+ {
+ std::string strReason;
+ return IsStandard(strReason);
+ }
/** Check for standard transaction types
@param[in] mapInputs Map of previous transactions that have outputs we're spending
try {
filein >> *this;
}
- catch (std::exception &e) {
+ catch (const std::exception&) {
return error("%s() : deserialize or I/O error", BOOST_CURRENT_FUNCTION);
}
public:
uint256 hashBlock;
std::vector<uint256> vMerkleBranch;
- int nIndex;
+ int32_t nIndex;
// memory only
mutable bool fMerkleVerified;
};
-
-
-
/** Nodes collect new transactions into a block, hash them into a hash tree,
* and scan through nonce values to make the block's hash satisfy proof-of-work
* requirements. When they solve the proof-of-work, they broadcast the block
public:
// header
static const int CURRENT_VERSION=6;
- int nVersion;
+ int32_t nVersion;
uint256 hashPrevBlock;
uint256 hashMerkleRoot;
- unsigned int nTime;
- unsigned int nBits;
- unsigned int nNonce;
+ uint32_t nTime;
+ uint32_t nBits;
+ uint32_t nNonce;
// network and disk
std::vector<CTransaction> vtx;
uint256 GetHash() const
{
- return scrypt_blockhash(CVOIDBEGIN(nVersion));
+ return scrypt_blockhash((const uint8_t*)&nVersion);
}
int64_t GetBlockTime() const
void UpdateTime(const CBlockIndex* pindexPrev);
// ppcoin: entropy bit for stake modifier if chosen by modifier
- unsigned int GetStakeEntropyBit(unsigned int nTime) const
+ unsigned int GetStakeEntropyBit(unsigned int nHeight) const
{
// Protocol switch to support p2pool at novacoin block #9689
- if (nTime >= ENTROPY_SWITCH_TIME || fTestNet)
+ if (nHeight >= 9689 || fTestNet)
{
// Take last bit of block hash as entropy bit
- unsigned int nEntropyBit = ((GetHash().Get64()) & 1ULL);
+ unsigned int nEntropyBit = (GetHash().Get64()) & (uint64_t)1;
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
+
+ // Before novacoin block #9689 - get from pregenerated table
+ int nBitNum = nHeight & 0xFF;
+ int nItemNum = nHeight / 0xFF;
+
+ unsigned int nEntropyBit = (unsigned int) ((entropyStore[nItemNum] & (uint256(1) << nBitNum)) >> nBitNum).Get64();
if (fDebug && GetBoolArg("-printstakemodifier"))
- printf(" entropybit=%" PRId64 "\n", hashSig.Get64());
- return hashSig.Get64();
+ printf("GetStakeEntropyBit: from pregenerated table, nHeight=%d nEntropyBit=%u\n", nHeight, nEntropyBit);
+ return nEntropyBit;
}
// ppcoin: two types of block: proof-of-work or proof-of-stake
BOOST_FOREACH(const CTransaction& tx, vtx)
vMerkleTree.push_back(tx.GetHash());
int j = 0;
- for (int nSize = vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
+ for (int nSize = (int)vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
{
for (int i = 0; i < nSize; i += 2)
{
BuildMerkleTree();
std::vector<uint256> vMerkleBranch;
int j = 0;
- for (int nSize = vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
+ for (int nSize = (int)vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
{
int i = std::min(nIndex^1, nSize-1);
vMerkleBranch.push_back(vMerkleTree[j+i]);
try {
filein >> *this;
}
- catch (std::exception &e) {
+ catch (const std::exception&) {
return error("%s() : deserialize or I/O error", BOOST_CURRENT_FUNCTION);
}
bool CheckBlock(bool fCheckPOW=true, bool fCheckMerkleRoot=true, bool fCheckSig=true) const;
bool AcceptBlock();
bool GetCoinAge(uint64_t& nCoinAge) const; // ppcoin: calculate total coin age spent in block
- bool SignBlock(CWallet& keystore);
- bool CheckBlockSignature(bool fProofOfStake) const;
+ bool CheckBlockSignature() const;
private:
bool SetBestChainInner(CTxDB& txdb, CBlockIndex *pindexNew);
const uint256* phashBlock;
CBlockIndex* pprev;
CBlockIndex* pnext;
- unsigned int nFile;
- unsigned int nBlockPos;
+ uint32_t nFile;
+ uint32_t nBlockPos;
uint256 nChainTrust; // ppcoin: trust score of block chain
- int nHeight;
+ int32_t nHeight;
int64_t nMint;
int64_t nMoneySupply;
- unsigned int nFlags; // ppcoin: block index flags
+ uint32_t nFlags; // ppcoin: block index flags
enum
{
BLOCK_PROOF_OF_STAKE = (1 << 0), // is proof-of-stake block
BLOCK_STAKE_ENTROPY = (1 << 1), // entropy bit for stake modifier
- BLOCK_STAKE_MODIFIER = (1 << 2), // regenerated stake modifier
+ BLOCK_STAKE_MODIFIER = (1 << 2) // regenerated stake modifier
};
uint64_t nStakeModifier; // hash modifier for proof-of-stake
- unsigned int nStakeModifierChecksum; // checksum of index; in-memeory only
+ uint32_t nStakeModifierChecksum; // checksum of index; in-memeory only
// proof-of-stake specific fields
COutPoint prevoutStake;
- unsigned int nStakeTime;
+ uint32_t nStakeTime;
uint256 hashProofOfStake;
// block header
- int nVersion;
- uint256 hashMerkleRoot;
- unsigned int nTime;
- unsigned int nBits;
- unsigned int nNonce;
+ int32_t nVersion;
+ uint256 hashMerkleRoot;
+ uint32_t nTime;
+ uint32_t nBits;
+ uint32_t nNonce;
CBlockIndex()
{
bool GeneratedStakeModifier() const
{
- return (nFlags & BLOCK_STAKE_MODIFIER);
+ return (nFlags & BLOCK_STAKE_MODIFIER) != 0;
}
void SetStakeModifier(uint64_t nModifier, bool fGeneratedStakeModifier)
std::string ToString() const
{
return strprintf("CBlockIndex(nprev=%p, pnext=%p, nFile=%u, nBlockPos=%-6d nHeight=%d, nMint=%s, nMoneySupply=%s, nFlags=(%s)(%d)(%s), nStakeModifier=%016" PRIx64 ", nStakeModifierChecksum=%08x, hashProofOfStake=%s, prevoutStake=(%s), nStakeTime=%d merkle=%s, hashBlock=%s)",
- pprev, pnext, nFile, nBlockPos, nHeight,
+ (const void*)pprev, (const void*)pnext, nFile, nBlockPos, nHeight,
FormatMoney(nMint).c_str(), FormatMoney(nMoneySupply).c_str(),
GeneratedStakeModifier() ? "MOD" : "-", GetStakeEntropyBit(), IsProofOfStake()? "PoS" : "PoW",
- nStakeModifier, nStakeModifierChecksum,
+ nStakeModifier, nStakeModifierChecksum,
hashProofOfStake.ToString().c_str(),
prevoutStake.ToString().c_str(), nStakeTime,
hashMerkleRoot.ToString().c_str(),
uint256 GetBlockHash() const
{
- if (fUseFastIndex && (nTime < GetAdjustedTime() - 24 * 60 * 60) && blockHash != 0)
+ if (fUseFastIndex && (nTime < GetAdjustedTime() - nOneDay) && blockHash != 0)
return blockHash;
CBlock block;
void clear();
void queryHashes(std::vector<uint256>& vtxid);
- unsigned long size()
+ size_t size()
{
LOCK(cs);
return mapTx.size();
git://git.novaco.in / novacoin.git / blobdiff