// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
-// Copyright (c) 2011-2012 The PPCoin developers
+// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_MAIN_H
#define BITCOIN_MAIN_H
+#include <algorithm>
+
+#include "timestamps.h"
#include "bignum.h"
+#include "sync.h"
#include "net.h"
-#include "key.h"
#include "script.h"
-#include "db.h"
+#include "scrypt.h"
+#include <limits>
#include <list>
+#include <map>
+class CWallet;
class CBlock;
class CBlockIndex;
-class CWalletTx;
-class CWallet;
class CKeyItem;
class CReserveKey;
-class CWalletDB;
+class COutPoint;
class CAddress;
class CInv;
class CRequestTracker;
class CNode;
-class CBlockIndex;
+
+//
+// Global state
+//
static const unsigned int MAX_BLOCK_SIZE = 1000000;
static const unsigned int MAX_BLOCK_SIZE_GEN = MAX_BLOCK_SIZE/2;
-static const int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
-static const int64 COIN = 1000000;
-static const int64 CENT = 10000;
-static const int64 MIN_TX_FEE = 10000;
-static const int64 MIN_RELAY_TX_FEE = 10000;
-static const int64 MAX_MONEY = 2000000000 * COIN;
-inline bool MoneyRange(int64 nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
-static const int COINBASE_MATURITY = 100;
-// Threshold for nLockTime: below this value it is interpreted as block number, otherwise as UNIX timestamp.
-static const int LOCKTIME_THRESHOLD = 500000000; // Tue Nov 5 00:53:20 1985 UTC
-#ifdef USE_UPNP
-static const int fHaveUPnP = true;
-#else
-static const int fHaveUPnP = false;
-#endif
+static const unsigned int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
+static const unsigned int MAX_ORPHAN_TRANSACTIONS = MAX_BLOCK_SIZE/100;
+static const unsigned int MAX_INV_SZ = 50000;
+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 = 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;
+
+static const uint256 hashGenesisBlock("0x00000a060336cbb72fe969666d337b87198b1add2abaa59cca226820b32933a4");
+static const uint256 hashGenesisBlockTestNet("0x000c763e402f2436da9ed36c7286f62c3f6e5dbafce9ff289bd43d7459327eb");
+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 std::map<uint256, CBlockIndex*> mapBlockIndex;
extern std::set<std::pair<COutPoint, unsigned int> > setStakeSeen;
-extern uint256 hashGenesisBlock;
extern CBlockIndex* pindexGenesisBlock;
+extern unsigned int nNodeLifespan;
+extern unsigned int nStakeMinAge;
+extern int nCoinbaseMaturity;
extern int nBestHeight;
-extern uint64 nBestChainTrust;
-extern uint64 nBestInvalidTrust;
+extern uint256 nBestChainTrust;
+extern uint256 nBestInvalidTrust;
extern uint256 hashBestChain;
extern CBlockIndex* pindexBest;
extern unsigned int nTransactionsUpdated;
-extern double dHashesPerSec;
-extern int64 nHPSTimerStart;
-extern int64 nTimeBestReceived;
+extern uint64_t nLastBlockTx;
+extern uint64_t nLastBlockSize;
+extern uint32_t nLastCoinStakeSearchInterval;
+extern const std::string strMessageMagic;
+extern int64_t nTimeBestReceived;
extern CCriticalSection cs_setpwalletRegistered;
extern std::set<CWallet*> setpwalletRegistered;
+extern unsigned char pchMessageStart[4];
extern std::map<uint256, CBlock*> mapOrphanBlocks;
// Settings
-extern int fGenerateBitcoins;
-extern int64 nTransactionFee;
-extern int fLimitProcessors;
-extern int nLimitProcessors;
-extern int fMinimizeToTray;
-extern int fMinimizeOnClose;
-extern int fUseUPnP;
-extern int64 nBalanceReserve;
-
-
-
+extern int64_t nTransactionFee;
+extern int64_t nMinimumInputValue;
+extern bool fUseFastIndex;
+extern int nScriptCheckThreads;
+extern const uint256 entropyStore[38];
+// Minimum disk space required - used in CheckDiskSpace()
+static const uint64_t nMinDiskSpace = 52428800;
class CReserveKey;
class CTxDB;
class CTxIndex;
+class CScriptCheck;
void RegisterWallet(CWallet* pwalletIn);
void UnregisterWallet(CWallet* pwalletIn);
+void SyncWithWallets(const CTransaction& tx, const CBlock* pblock = NULL, bool fUpdate = false, bool fConnect = true);
bool ProcessBlock(CNode* pfrom, CBlock* pblock);
-bool CheckDiskSpace(uint64 nAdditionalBytes=0);
+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);
-void GenerateBitcoins(bool fGenerate, CWallet* pwallet);
-CBlock* CreateNewBlock(CWallet* pwallet);
-void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce);
-void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash1);
-bool CheckWork(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey);
+bool LoadExternalBlockFile(FILE* fileIn);
+
+// Run an instance of the script checking thread
+void ThreadScriptCheck(void* parg);
+// Stop the script checking threads
+void ThreadScriptCheckQuit();
+
bool CheckProofOfWork(uint256 hash, unsigned int nBits);
-int64 GetProofOfStakeReward(int64 nCoinAge);
-unsigned int ComputeMinWork(unsigned int nBase, int64 nTime);
+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, 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 IsInitialBlockDownload();
std::string GetWarnings(std::string strFor);
-bool Reorganize(CTxDB& txdb, CBlockIndex* pindexNew);
-uint256 GetOrphanRoot(const CBlock* pblock);
-
-
-
+bool GetTransaction(const uint256 &hash, CTransaction &tx, uint256 &hashBlock);
+uint256 WantedByOrphan(const CBlock* pblockOrphan);
+const CBlockIndex* GetLastBlockIndex(const CBlockIndex* pindex, bool fProofOfStake);
+void ResendWalletTransactions();
+bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
bool GetWalletFile(CWallet* pwallet, std::string &strWalletFileOut);
-template<typename T>
-bool WriteSetting(const std::string& strKey, const T& value)
-{
- bool fOk = false;
- BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
- {
- std::string strWalletFile;
- if (!GetWalletFile(pwallet, strWalletFile))
- continue;
- fOk |= CWalletDB(strWalletFile).WriteSetting(strKey, value);
- }
- return fOk;
-}
-
-
+/** Position on disk for a particular transaction. */
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 = -1; nBlockPos = 0; nTxPos = 0; }
- bool IsNull() const { return (nFile == -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)
{
return !(a == b);
}
+
std::string ToString() const
{
if (IsNull())
- return strprintf("null");
+ return "null";
else
- return strprintf("(nFile=%d, nBlockPos=%d, nTxPos=%d)", nFile, nBlockPos, nTxPos);
+ return strprintf("(nFile=%u, nBlockPos=%u, nTxPos=%u)", nFile, nBlockPos, nTxPos);
}
void print() const
-
+/** An inpoint - a combination of a transaction and an index n into its vin */
class CInPoint
{
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 = -1; }
- bool IsNull() const { return (ptx == NULL && n == -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()); }
};
-
+/** An outpoint - a combination of a transaction hash and an index n into its vout */
class COutPoint
{
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 = -1; }
- bool IsNull() const { return (hash == 0 && n == -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)
{
std::string ToString() const
{
- return strprintf("COutPoint(%s, %d)", hash.ToString().substr(0,10).c_str(), n);
+ return strprintf("COutPoint(%s, %u)", hash.ToString().substr(0,10).c_str(), n);
}
void print() const
-//
-// An input of a transaction. It contains the location of the previous
-// transaction's output that it claims and a signature that matches the
-// output's public key.
-//
+/** An input of a transaction. It contains the location of the previous
+ * transaction's output that it claims and a signature that matches the
+ * output's public key.
+ */
class CTxIn
{
public:
COutPoint prevout;
CScript scriptSig;
- unsigned int nSequence;
+ uint32_t nSequence;
CTxIn()
{
- nSequence = UINT_MAX;
+ nSequence = std::numeric_limits<unsigned int>::max();
}
- explicit CTxIn(COutPoint prevoutIn, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=UINT_MAX)
+ explicit CTxIn(COutPoint prevoutIn, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=std::numeric_limits<unsigned int>::max())
{
prevout = prevoutIn;
scriptSig = scriptSigIn;
nSequence = nSequenceIn;
}
- CTxIn(uint256 hashPrevTx, unsigned int nOut, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=UINT_MAX)
+ CTxIn(uint256 hashPrevTx, unsigned int nOut, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=std::numeric_limits<unsigned int>::max())
{
prevout = COutPoint(hashPrevTx, nOut);
scriptSig = scriptSigIn;
bool IsFinal() const
{
- return (nSequence == UINT_MAX);
+ return (nSequence == std::numeric_limits<unsigned int>::max());
}
friend bool operator==(const CTxIn& a, const CTxIn& b)
return !(a == b);
}
+ std::string ToStringShort() const
+ {
+ return strprintf(" %s %d", prevout.hash.ToString().c_str(), prevout.n);
+ }
+
std::string ToString() const
{
std::string str;
- str += strprintf("CTxIn(");
+ str += "CTxIn(";
str += prevout.ToString();
if (prevout.IsNull())
str += strprintf(", coinbase %s", HexStr(scriptSig).c_str());
else
str += strprintf(", scriptSig=%s", scriptSig.ToString().substr(0,24).c_str());
- if (nSequence != UINT_MAX)
+ if (nSequence != std::numeric_limits<unsigned int>::max())
str += strprintf(", nSequence=%u", nSequence);
str += ")";
return str;
-//
-// An output of a transaction. It contains the public key that the next input
-// must be able to sign with to claim it.
-//
+/** An output of a transaction. It contains the public key that the next input
+ * must be able to sign with to claim it.
+ */
class CTxOut
{
public:
- int64 nValue;
+ int64_t nValue;
CScript scriptPubKey;
CTxOut()
SetNull();
}
- CTxOut(int64 nValueIn, CScript scriptPubKeyIn)
+ CTxOut(int64_t nValueIn, CScript scriptPubKeyIn)
{
nValue = nValueIn;
scriptPubKey = scriptPubKeyIn;
return (nValue == -1);
}
- bool SetEmpty()
+ void SetEmpty()
{
nValue = 0;
scriptPubKey.clear();
return !(a == b);
}
+ std::string ToStringShort() const
+ {
+ return strprintf(" out %s %s", FormatMoney(nValue).c_str(), scriptPubKey.ToString(true).c_str());
+ }
+
std::string ToString() const
{
if (IsEmpty()) return "CTxOut(empty)";
if (scriptPubKey.size() < 6)
return "CTxOut(error)";
- return strprintf("CTxOut(nValue=%s, scriptPubKey=%s)", FormatMoney(nValue).c_str(), scriptPubKey.ToString().substr(0,30).c_str());
+ return strprintf("CTxOut(nValue=%s, scriptPubKey=%s)", FormatMoney(nValue).c_str(), scriptPubKey.ToString().c_str());
}
void print() const
-//
-// The basic transaction that is broadcasted on the network and contained in
-// blocks. A transaction can contain multiple inputs and outputs.
-//
+enum GetMinFee_mode
+{
+ GMF_BLOCK,
+ GMF_RELAY,
+ GMF_SEND
+};
+
+typedef std::map<uint256, std::pair<CTxIndex, CTransaction> > MapPrevTx;
+
+/** The basic transaction that is broadcasted on the network and contained in
+ * blocks. A transaction can contain multiple inputs and outputs.
+ */
class CTransaction
{
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 = 1;
- nTime = GetAdjustedTime();
+ nVersion = CTransaction::CURRENT_VERSION;
+ nTime = (uint32_t) GetAdjustedTime();
vin.clear();
vout.clear();
nLockTime = 0;
return SerializeHash(*this);
}
- bool IsFinal(int nBlockHeight=0, int64 nBlockTime=0) const
+ bool IsFinal(int nBlockHeight=0, int64_t nBlockTime=0) const
{
// Time based nLockTime implemented in 0.1.6
if (nLockTime == 0)
nBlockHeight = nBestHeight;
if (nBlockTime == 0)
nBlockTime = GetAdjustedTime();
- if ((int64)nLockTime < (nLockTime < LOCKTIME_THRESHOLD ? (int64)nBlockHeight : nBlockTime))
+ if ((int64_t)nLockTime < ((int64_t)nLockTime < LOCKTIME_THRESHOLD ? (int64_t)nBlockHeight : nBlockTime))
return true;
BOOST_FOREACH(const CTxIn& txin, vin)
if (!txin.IsFinal())
{
if (vin.size() != old.vin.size())
return false;
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
if (vin[i].prevout != old.vin[i].prevout)
return false;
bool fNewer = false;
- unsigned int nLowest = UINT_MAX;
- for (int i = 0; i < vin.size(); i++)
+ unsigned int nLowest = std::numeric_limits<unsigned int>::max();
+ for (unsigned int i = 0; i < vin.size(); i++)
{
if (vin[i].nSequence != old.vin[i].nSequence)
{
bool IsCoinBase() const
{
- return (vin.size() == 1 && vin[0].prevout.IsNull() && vout.size() == 1);
+ return (vin.size() == 1 && vin[0].prevout.IsNull() && vout.size() >= 1);
}
bool IsCoinStake() const
{
// ppcoin: the coin stake transaction is marked with the first output empty
- return (vin.size() > 0 && vout.size() == 2 && vout[0].IsEmpty());
- }
-
- int GetSigOpCount() const
- {
- int n = 0;
- BOOST_FOREACH(const CTxIn& txin, vin)
- n += txin.scriptSig.GetSigOpCount();
- BOOST_FOREACH(const CTxOut& txout, vout)
- n += txout.scriptPubKey.GetSigOpCount();
- return n;
+ return (vin.size() > 0 && (!vin[0].prevout.IsNull()) && vout.size() >= 2 && vout[0].IsEmpty());
}
+ /** Check for standard transaction types
+ @return True if all outputs (scriptPubKeys) use only standard transaction forms
+ */
+ bool IsStandard(std::string& strReason) const;
bool IsStandard() const
{
- BOOST_FOREACH(const CTxIn& txin, vin)
- if (!txin.scriptSig.IsPushOnly())
- return error("nonstandard txin: %s", txin.scriptSig.ToString().c_str());
- BOOST_FOREACH(const CTxOut& txout, vout)
- if (!::IsStandard(txout.scriptPubKey))
- return error("nonstandard txout: %s", txout.scriptPubKey.ToString().c_str());
- return true;
+ std::string strReason;
+ return IsStandard(strReason);
}
- int64 GetValueOut() const
+ /** Check for standard transaction types
+ @param[in] mapInputs Map of previous transactions that have outputs we're spending
+ @return True if all inputs (scriptSigs) use only standard transaction forms
+ @see CTransaction::FetchInputs
+ */
+ bool AreInputsStandard(const MapPrevTx& mapInputs) const;
+
+ /** Count ECDSA signature operations the old-fashioned (pre-0.6) way
+ @return number of sigops this transaction's outputs will produce when spent
+ @see CTransaction::FetchInputs
+ */
+ unsigned int GetLegacySigOpCount() const;
+
+ /** Count ECDSA signature operations in pay-to-script-hash inputs.
+
+ @param[in] mapInputs Map of previous transactions that have outputs we're spending
+ @return maximum number of sigops required to validate this transaction's inputs
+ @see CTransaction::FetchInputs
+ */
+ unsigned int GetP2SHSigOpCount(const MapPrevTx& mapInputs) const;
+
+ /** Amount of bitcoins spent by this transaction.
+ @return sum of all outputs (note: does not include fees)
+ */
+ int64_t GetValueOut() const
{
- int64 nValueOut = 0;
+ int64_t nValueOut = 0;
BOOST_FOREACH(const CTxOut& txout, vout)
{
nValueOut += txout.nValue;
return nValueOut;
}
+ /** Amount of bitcoins coming in to this transaction
+ Note that lightweight clients may not know anything besides the hash of previous transactions,
+ so may not be able to calculate this.
+
+ @param[in] mapInputs Map of previous transactions that have outputs we're spending
+ @return Sum of value of all inputs (scriptSigs)
+ @see CTransaction::FetchInputs
+ */
+ int64_t GetValueIn(const MapPrevTx& mapInputs) const;
+
static bool AllowFree(double dPriority)
{
// Large (in bytes) low-priority (new, small-coin) transactions
return dPriority > COIN * 144 / 250;
}
- int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=false, bool fForRelay=false) const
- {
- // Base fee is either MIN_TX_FEE or MIN_RELAY_TX_FEE
- int64 nBaseFee = fForRelay ? MIN_RELAY_TX_FEE : MIN_TX_FEE;
-
- unsigned int nBytes = ::GetSerializeSize(*this, SER_NETWORK);
- unsigned int nNewBlockSize = nBlockSize + nBytes;
- int64 nMinFee = (1 + (int64)nBytes / 1000) * nBaseFee;
-
- if (fAllowFree)
- {
- if (nBlockSize == 1)
- {
- // Transactions under 10K are free
- // (about 4500bc if made of 50bc inputs)
- if (nBytes < 10000)
- nMinFee = 0;
- }
- else
- {
- // Free transaction area
- if (nNewBlockSize < 27000)
- nMinFee = 0;
- }
- }
-
- // To limit dust spam, require MIN_TX_FEE/MIN_RELAY_TX_FEE if any output is less than 0.01
- if (nMinFee < nBaseFee)
- BOOST_FOREACH(const CTxOut& txout, vout)
- if (txout.nValue < CENT)
- nMinFee = nBaseFee;
-
- // Raise the price as the block approaches full
- if (nBlockSize != 1 && nNewBlockSize >= MAX_BLOCK_SIZE_GEN/2)
- {
- if (nNewBlockSize >= MAX_BLOCK_SIZE_GEN)
- return MAX_MONEY;
- nMinFee *= MAX_BLOCK_SIZE_GEN / (MAX_BLOCK_SIZE_GEN - nNewBlockSize);
- }
-
- if (!MoneyRange(nMinFee))
- nMinFee = MAX_MONEY;
- return nMinFee;
- }
-
+ int64_t GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=false, enum GetMinFee_mode mode=GMF_BLOCK, unsigned int nBytes = 0) const;
bool ReadFromDisk(CDiskTxPos pos, FILE** pfileRet=NULL)
{
- CAutoFile filein = OpenBlockFile(pos.nFile, 0, pfileRet ? "rb+" : "rb");
+ CAutoFile filein = CAutoFile(OpenBlockFile(pos.nFile, 0, pfileRet ? "rb+" : "rb"), SER_DISK, CLIENT_VERSION);
if (!filein)
return error("CTransaction::ReadFromDisk() : OpenBlockFile failed");
// Read transaction
if (fseek(filein, pos.nTxPos, SEEK_SET) != 0)
return error("CTransaction::ReadFromDisk() : fseek failed");
- filein >> *this;
+
+ try {
+ filein >> *this;
+ }
+ catch (std::exception &e) {
+ (void)e;
+ return error("%s() : deserialize or I/O error", BOOST_CURRENT_FUNCTION);
+ }
// Return file pointer
if (pfileRet)
return !(a == b);
}
+ std::string ToStringShort() const
+ {
+ std::string str;
+ str += strprintf("%s %s", GetHash().ToString().c_str(), IsCoinBase()? "base" : (IsCoinStake()? "stake" : "user"));
+ return str;
+ }
std::string ToString() const
{
std::string str;
str += IsCoinBase()? "Coinbase" : (IsCoinStake()? "Coinstake" : "CTransaction");
- str += strprintf("(hash=%s, nTime=%d, ver=%d, vin.size=%d, vout.size=%d, nLockTime=%d)\n",
+ str += strprintf("(hash=%s, nTime=%d, ver=%d, vin.size=%" PRIszu ", vout.size=%" PRIszu ", nLockTime=%d)\n",
GetHash().ToString().substr(0,10).c_str(),
nTime,
nVersion,
vin.size(),
vout.size(),
nLockTime);
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
str += " " + vin[i].ToString() + "\n";
- for (int i = 0; i < vout.size(); i++)
+ for (unsigned int i = 0; i < vout.size(); i++)
str += " " + vout[i].ToString() + "\n";
return str;
}
bool ReadFromDisk(CTxDB& txdb, COutPoint prevout);
bool ReadFromDisk(COutPoint prevout);
bool DisconnectInputs(CTxDB& txdb);
- bool ConnectInputs(CTxDB& txdb, std::map<uint256, CTxIndex>& mapTestPool, CDiskTxPos posThisTx,
- CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee=0);
+
+ /** Fetch from memory and/or disk. inputsRet keys are transaction hashes.
+
+ @param[in] txdb Transaction database
+ @param[in] mapTestPool List of pending changes to the transaction index database
+ @param[in] fBlock True if being called to add a new best-block to the chain
+ @param[in] fMiner True if being called by CreateNewBlock
+ @param[out] inputsRet Pointers to this transaction's inputs
+ @param[out] fInvalid returns true if transaction is invalid
+ @return Returns true if all inputs are in txdb or mapTestPool
+ */
+ bool FetchInputs(CTxDB& txdb, const std::map<uint256, CTxIndex>& mapTestPool,
+ bool fBlock, bool fMiner, MapPrevTx& inputsRet, bool& fInvalid);
+
+ /** Sanity check previous transactions, then, if all checks succeed,
+ mark them as spent by this transaction.
+
+ @param[in] inputs Previous transactions (from FetchInputs)
+ @param[out] mapTestPool Keeps track of inputs that need to be updated on disk
+ @param[in] posThisTx Position of this transaction on disk
+ @param[in] pindexBlock
+ @param[in] fBlock true if called from ConnectBlock
+ @param[in] fMiner true if called from CreateNewBlock
+ @param[in] fScriptChecks enable scripts validation?
+ @param[in] flags STRICT_FLAGS script validation flags
+ @param[in] pvChecks NULL If pvChecks is not NULL, script checks are pushed onto it instead of being performed inline.
+ @return Returns true if all checks succeed
+ */
+ bool ConnectInputs(CTxDB& txdb, MapPrevTx inputs, std::map<uint256, CTxIndex>& mapTestPool, const CDiskTxPos& posThisTx, const CBlockIndex* pindexBlock,
+ bool fBlock, bool fMiner, bool fScriptChecks=true,
+ unsigned int flags=STRICT_FLAGS, std::vector<CScriptCheck> *pvChecks = NULL);
bool ClientConnectInputs();
bool CheckTransaction() const;
bool AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs=true, bool* pfMissingInputs=NULL);
- bool AcceptToMemoryPool(bool fCheckInputs=true, bool* pfMissingInputs=NULL);
+ bool GetCoinAge(CTxDB& txdb, uint64_t& nCoinAge) const; // ppcoin: get transaction coin age
+
protected:
- bool AddToMemoryPoolUnchecked();
-public:
- bool RemoveFromMemoryPool();
- bool GetCoinAge(CTxDB& txdb, uint64& nCoinAge) const; // ppcoin: get transaction coin age
- bool CheckProofOfStake(unsigned int nBits) const;
+ const CTxOut& GetOutputFor(const CTxIn& input, const MapPrevTx& inputs) const;
};
+/** Closure representing one script verification
+ * Note that this stores references to the spending transaction */
+class CScriptCheck
+{
+private:
+ CScript scriptPubKey;
+ const CTransaction *ptxTo;
+ unsigned int nIn;
+ unsigned int nFlags;
+ int nHashType;
+
+public:
+ CScriptCheck() {}
+ CScriptCheck(const CTransaction& txFromIn, const CTransaction& txToIn, unsigned int nInIn, unsigned int nFlagsIn, int nHashTypeIn) :
+ scriptPubKey(txFromIn.vout[txToIn.vin[nInIn].prevout.n].scriptPubKey),
+ ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn), nHashType(nHashTypeIn) { }
+
+ bool operator()() const;
+ void swap(CScriptCheck &check) {
+ scriptPubKey.swap(check.scriptPubKey);
+ std::swap(ptxTo, check.ptxTo);
+ std::swap(nIn, check.nIn);
+ std::swap(nFlags, check.nFlags);
+ std::swap(nHashType, check.nHashType);
+ }
+};
-//
-// A transaction with a merkle branch linking it to the block chain
-//
+
+/** A transaction with a merkle branch linking it to the block chain. */
class CMerkleTx : public CTransaction
{
public:
uint256 hashBlock;
std::vector<uint256> vMerkleBranch;
- int nIndex;
+ int32_t nIndex;
// memory only
- mutable char fMerkleVerified;
+ mutable bool fMerkleVerified;
CMerkleTx()
int SetMerkleBranch(const CBlock* pblock=NULL);
- int GetDepthInMainChain(int& nHeightRet) const;
- int GetDepthInMainChain() const { int nHeight; return GetDepthInMainChain(nHeight); }
+ int GetDepthInMainChain(CBlockIndex* &pindexRet) const;
+ int GetDepthInMainChain() const { CBlockIndex *pindexRet; return GetDepthInMainChain(pindexRet); }
bool IsInMainChain() const { return GetDepthInMainChain() > 0; }
int GetBlocksToMaturity() const;
bool AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs=true);
-//
-// A txdb record that contains the disk location of a transaction and the
-// locations of transactions that spend its outputs. vSpent is really only
-// used as a flag, but having the location is very helpful for debugging.
-//
+/** A txdb record that contains the disk location of a transaction and the
+ * locations of transactions that spend its outputs. vSpent is really only
+ * used as a flag, but having the location is very helpful for debugging.
+ */
class CTxIndex
{
public:
return !(a == b);
}
int GetDepthInMainChain() const;
-};
-
-
+};
-//
-// 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
-// to everyone and the block is added to the block chain. The first transaction
-// in the block is a special one that creates a new coin owned by the creator
-// of the block.
-//
-// Blocks are appended to blk0001.dat files on disk. Their location on disk
-// is indexed by CBlockIndex objects in memory.
-//
+/** 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
+ * to everyone and the block is added to the block chain. The first transaction
+ * in the block is a special one that creates a new coin owned by the creator
+ * of the block.
+ *
+ * Blocks are appended to blk0001.dat files on disk. Their location on disk
+ * is indexed by CBlockIndex objects in memory.
+ */
class CBlock
{
public:
// header
- int nVersion;
+ static const int CURRENT_VERSION=6;
+ 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;
- // ppcoin: block signature - signed by coin base txout[0]'s owner
+ // ppcoin: block signature - signed by one of the coin base txout[N]'s owner
std::vector<unsigned char> vchBlockSig;
// memory only
void SetNull()
{
- nVersion = 1;
+ nVersion = CBlock::CURRENT_VERSION;
hashPrevBlock = 0;
hashMerkleRoot = 0;
nTime = 0;
uint256 GetHash() const
{
- return Hash(BEGIN(nVersion), END(nNonce));
+ return scrypt_blockhash((const uint8_t*)&nVersion);
+ }
+
+ int64_t GetBlockTime() const
+ {
+ return (int64_t)nTime;
}
- int64 GetBlockTime() const
+ void UpdateTime(const CBlockIndex* pindexPrev);
+
+ // ppcoin: entropy bit for stake modifier if chosen by modifier
+ unsigned int GetStakeEntropyBit(unsigned int nHeight) const
{
- return (int64)nTime;
+ // Protocol switch to support p2pool at novacoin block #9689
+ if (nHeight >= 9689 || fTestNet)
+ {
+ // Take last bit of block hash as entropy bit
+ 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 - 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("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
}
// ppcoin: get max transaction timestamp
- int64 GetMaxTransactionTime() const
+ int64_t GetMaxTransactionTime() const
{
- int64 maxTransactionTime = 0;
+ int64_t maxTransactionTime = 0;
BOOST_FOREACH(const CTransaction& tx, vtx)
- maxTransactionTime = std::max(maxTransactionTime, (int64)tx.nTime);
+ maxTransactionTime = std::max(maxTransactionTime, (int64_t)tx.nTime);
return maxTransactionTime;
}
- int GetSigOpCount() const
- {
- int n = 0;
- BOOST_FOREACH(const CTransaction& tx, vtx)
- n += tx.GetSigOpCount();
- return n;
- }
-
-
uint256 BuildMerkleTree() const
{
vMerkleTree.clear();
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]);
bool WriteToDisk(unsigned int& nFileRet, unsigned int& nBlockPosRet)
{
// Open history file to append
- CAutoFile fileout = AppendBlockFile(nFileRet);
+ CAutoFile fileout = CAutoFile(AppendBlockFile(nFileRet), SER_DISK, CLIENT_VERSION);
if (!fileout)
return error("CBlock::WriteToDisk() : AppendBlockFile failed");
fileout << FLATDATA(pchMessageStart) << nSize;
// Write block
- nBlockPosRet = ftell(fileout);
- if (nBlockPosRet == -1)
+ long fileOutPos = ftell(fileout);
+ if (fileOutPos < 0)
return error("CBlock::WriteToDisk() : ftell failed");
+ nBlockPosRet = fileOutPos;
fileout << *this;
// Flush stdio buffers and commit to disk before returning
fflush(fileout);
if (!IsInitialBlockDownload() || (nBestHeight+1) % 500 == 0)
- {
-#ifdef WIN32
- _commit(_fileno(fileout));
-#else
- fsync(fileno(fileout));
-#endif
- }
+ FileCommit(fileout);
return true;
}
SetNull();
// Open history file to read
- CAutoFile filein = OpenBlockFile(nFile, nBlockPos, "rb");
+ CAutoFile filein = CAutoFile(OpenBlockFile(nFile, nBlockPos, "rb"), SER_DISK, CLIENT_VERSION);
if (!filein)
return error("CBlock::ReadFromDisk() : OpenBlockFile failed");
if (!fReadTransactions)
filein.nType |= SER_BLOCKHEADERONLY;
// Read block
- filein >> *this;
+ try {
+ filein >> *this;
+ }
+ catch (std::exception &e) {
+ (void)e;
+ return error("%s() : deserialize or I/O error", BOOST_CURRENT_FUNCTION);
+ }
// Check the header
if (fReadTransactions && IsProofOfWork() && !CheckProofOfWork(GetHash(), nBits))
void print() const
{
- printf("CBlock(hash=%s, ver=%d, hashPrevBlock=%s, hashMerkleRoot=%s, nTime=%u, nBits=%08x, nNonce=%u, vtx=%d, vchBlockSig=%s)\n",
- GetHash().ToString().substr(0,20).c_str(),
+ printf("CBlock(hash=%s, ver=%d, hashPrevBlock=%s, hashMerkleRoot=%s, nTime=%u, nBits=%08x, nNonce=%u, vtx=%" PRIszu ", vchBlockSig=%s)\n",
+ GetHash().ToString().c_str(),
nVersion,
- hashPrevBlock.ToString().substr(0,20).c_str(),
- hashMerkleRoot.ToString().substr(0,10).c_str(),
+ hashPrevBlock.ToString().c_str(),
+ hashMerkleRoot.ToString().c_str(),
nTime, nBits, nNonce,
vtx.size(),
HexStr(vchBlockSig.begin(), vchBlockSig.end()).c_str());
- for (int i = 0; i < vtx.size(); i++)
+ for (unsigned int i = 0; i < vtx.size(); i++)
{
printf(" ");
vtx[i].print();
}
printf(" vMerkleTree: ");
- for (int i = 0; i < vMerkleTree.size(); i++)
+ for (unsigned int i = 0; i < vMerkleTree.size(); i++)
printf("%s ", vMerkleTree[i].ToString().substr(0,10).c_str());
printf("\n");
}
- bool SignBlock(const CKeyStore& keystore)
- {
- std::vector<std::pair<opcodetype, valtype> > vSolution;
- const CTxOut& txout = IsProofOfStake()? vtx[1].vout[1] : vtx[0].vout[0];
-
- if (!Solver(txout.scriptPubKey, vSolution))
- return false;
- BOOST_FOREACH(PAIRTYPE(opcodetype, valtype)& item, vSolution)
- {
- if (item.first == OP_PUBKEY)
- {
- // Sign
- const valtype& vchPubKey = item.second;
- CKey key;
- if (!keystore.GetKey(Hash160(vchPubKey), key))
- return false;
- if (key.GetPubKey() != vchPubKey)
- return false;
- return key.Sign(GetHash(), vchBlockSig);
- }
- }
- return false;
- }
-
- bool CheckBlockSignature() const
- {
- if (GetHash() == hashGenesisBlock)
- return vchBlockSig.empty();
-
- std::vector<std::pair<opcodetype, valtype> > vSolution;
- const CTxOut& txout = IsProofOfStake()? vtx[1].vout[1] : vtx[0].vout[0];
-
- if (!Solver(txout.scriptPubKey, vSolution))
- return false;
- BOOST_FOREACH(PAIRTYPE(opcodetype, valtype)& item, vSolution)
- {
- if (item.first == OP_PUBKEY)
- {
- const valtype& vchPubKey = item.second;
- CKey key;
- if (!key.SetPubKey(vchPubKey))
- return false;
- if (vchBlockSig.empty())
- return false;
- return key.Verify(GetHash(), vchBlockSig);
- }
- }
- return false;
- }
-
bool DisconnectBlock(CTxDB& txdb, CBlockIndex* pindex);
- bool ConnectBlock(CTxDB& txdb, CBlockIndex* pindex);
+ bool ConnectBlock(CTxDB& txdb, CBlockIndex* pindex, bool fJustCheck=false);
bool ReadFromDisk(const CBlockIndex* pindex, bool fReadTransactions=true);
bool SetBestChain(CTxDB& txdb, CBlockIndex* pindexNew);
bool AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos);
- bool CheckBlock() const;
+ bool CheckBlock(bool fCheckPOW=true, bool fCheckMerkleRoot=true, bool fCheckSig=true) const;
bool AcceptBlock();
- bool GetCoinAge(uint64& nCoinAge) const; // ppcoin: calculate total coin age spent in block
+ bool GetCoinAge(uint64_t& nCoinAge) const; // ppcoin: calculate total coin age spent in block
+ bool CheckBlockSignature() const;
+
+private:
+ bool SetBestChainInner(CTxDB& txdb, CBlockIndex *pindexNew);
};
-//
-// The block chain is a tree shaped structure starting with the
-// genesis block at the root, with each block potentially having multiple
-// candidates to be the next block. pprev and pnext link a path through the
-// main/longest chain. A blockindex may have multiple pprev pointing back
-// to it, but pnext will only point forward to the longest branch, or will
-// be null if the block is not part of the longest chain.
-//
+/** The block chain is a tree shaped structure starting with the
+ * genesis block at the root, with each block potentially having multiple
+ * candidates to be the next block. pprev and pnext link a path through the
+ * main/longest chain. A blockindex may have multiple pprev pointing back
+ * to it, but pnext will only point forward to the longest branch, or will
+ * be null if the block is not part of the longest chain.
+ */
class CBlockIndex
{
public:
const uint256* phashBlock;
CBlockIndex* pprev;
CBlockIndex* pnext;
- unsigned int nFile;
- unsigned int nBlockPos;
- uint64 nChainTrust;// ppcoin: trust score of chain, in the unit of coin-days
- int nHeight;
- int nCheckpoint; // ppcoin: chain auto checkpoint height
- bool fProofOfStake; // ppcoin: is the block of proof-of-stake type
+ uint32_t nFile;
+ uint32_t nBlockPos;
+ uint256 nChainTrust; // ppcoin: trust score of block chain
+ int32_t nHeight;
+
+ int64_t nMint;
+ int64_t nMoneySupply;
+
+ 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
+ };
+
+ uint64_t nStakeModifier; // hash modifier for proof-of-stake
+ 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()
{
nBlockPos = 0;
nHeight = 0;
nChainTrust = 0;
- nCheckpoint = 0;
- fProofOfStake = true;
+ nMint = 0;
+ nMoneySupply = 0;
+ nFlags = 0;
+ nStakeModifier = 0;
+ nStakeModifierChecksum = 0;
+ hashProofOfStake = 0;
prevoutStake.SetNull();
nStakeTime = 0;
nBlockPos = nBlockPosIn;
nHeight = 0;
nChainTrust = 0;
- nCheckpoint = 0;
- fProofOfStake = block.IsProofOfStake();
- if (fProofOfStake)
+ nMint = 0;
+ nMoneySupply = 0;
+ nFlags = 0;
+ nStakeModifier = 0;
+ nStakeModifierChecksum = 0;
+ hashProofOfStake = 0;
+ if (block.IsProofOfStake())
{
+ SetProofOfStake();
prevoutStake = block.vtx[1].vin[0].prevout;
nStakeTime = block.vtx[1].nTime;
}
return *phashBlock;
}
- int64 GetBlockTime() const
+ int64_t GetBlockTime() const
{
- return (int64)nTime;
+ return (int64_t)nTime;
}
- int64 GetBlockTrust() const
- {
- return (nChainTrust - (pprev? pprev->nChainTrust : 0));
- }
+ uint256 GetBlockTrust() const;
bool IsInMainChain() const
{
bool CheckIndex() const
{
- return IsProofOfWork() ? CheckProofOfWork(GetBlockHash(), nBits) : true;
- }
-
- bool EraseBlockFromDisk()
- {
- // Open history file
- CAutoFile fileout = OpenBlockFile(nFile, nBlockPos, "rb+");
- if (!fileout)
- return false;
-
- // Overwrite with empty null block
- CBlock block;
- block.SetNull();
- fileout << block;
-
return true;
}
enum { nMedianTimeSpan=11 };
- int64 GetMedianTimePast() const
+ int64_t GetMedianTimePast() const
{
- int64 pmedian[nMedianTimeSpan];
- int64* pbegin = &pmedian[nMedianTimeSpan];
- int64* pend = &pmedian[nMedianTimeSpan];
+ int64_t pmedian[nMedianTimeSpan];
+ int64_t* pbegin = &pmedian[nMedianTimeSpan];
+ int64_t* pend = &pmedian[nMedianTimeSpan];
const CBlockIndex* pindex = this;
for (int i = 0; i < nMedianTimeSpan && pindex; i++, pindex = pindex->pprev)
return pbegin[(pend - pbegin)/2];
}
- int64 GetMedianTime() const
+ int64_t GetMedianTime() const
{
const CBlockIndex* pindex = this;
for (int i = 0; i < nMedianTimeSpan/2; i++)
return pindex->GetMedianTimePast();
}
+ /**
+ * Returns true if there are nRequired or more blocks of minVersion or above
+ * in the last nToCheck blocks, starting at pstart and going backwards.
+ */
+ static bool IsSuperMajority(int minVersion, const CBlockIndex* pstart,
+ unsigned int nRequired, unsigned int nToCheck);
+
+
bool IsProofOfWork() const
{
- return !fProofOfStake;
+ return !(nFlags & BLOCK_PROOF_OF_STAKE);
}
bool IsProofOfStake() const
{
- return fProofOfStake;
+ return (nFlags & BLOCK_PROOF_OF_STAKE);
+ }
+
+ void SetProofOfStake()
+ {
+ nFlags |= BLOCK_PROOF_OF_STAKE;
+ }
+
+ unsigned int GetStakeEntropyBit() const
+ {
+ return ((nFlags & BLOCK_STAKE_ENTROPY) >> 1);
+ }
+
+ bool SetStakeEntropyBit(unsigned int nEntropyBit)
+ {
+ if (nEntropyBit > 1)
+ return false;
+ nFlags |= (nEntropyBit? BLOCK_STAKE_ENTROPY : 0);
+ return true;
+ }
+
+ bool GeneratedStakeModifier() const
+ {
+ return (nFlags & BLOCK_STAKE_MODIFIER) != 0;
+ }
+
+ void SetStakeModifier(uint64_t nModifier, bool fGeneratedStakeModifier)
+ {
+ nStakeModifier = nModifier;
+ if (fGeneratedStakeModifier)
+ nFlags |= BLOCK_STAKE_MODIFIER;
}
std::string ToString() const
{
- return strprintf("CBlockIndex(nprev=%08x, pnext=%08x, nFile=%d, nBlockPos=%-6d nChainTrust=%"PRI64d" nHeight=%d, nCheckpoint=%d, fProofOfStake=%d prevoutStake=(%s), nStakeTime=%d merkle=%s, hashBlock=%s)",
- pprev, pnext, nFile, nBlockPos, nChainTrust, nHeight, nCheckpoint,
- fProofOfStake, prevoutStake.ToString().c_str(), nStakeTime,
- hashMerkleRoot.ToString().substr(0,10).c_str(),
- GetBlockHash().ToString().substr(0,20).c_str());
+ 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)",
+ (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,
+ hashProofOfStake.ToString().c_str(),
+ prevoutStake.ToString().c_str(), nStakeTime,
+ hashMerkleRoot.ToString().c_str(),
+ GetBlockHash().ToString().c_str());
}
void print() const
-//
-// Used to marshal pointers into hashes for db storage.
-//
+/** Used to marshal pointers into hashes for db storage. */
class CDiskBlockIndex : public CBlockIndex
{
+private:
+ uint256 blockHash;
+
public:
uint256 hashPrev;
uint256 hashNext;
{
hashPrev = 0;
hashNext = 0;
+ blockHash = 0;
}
explicit CDiskBlockIndex(CBlockIndex* pindex) : CBlockIndex(*pindex)
READWRITE(hashNext);
READWRITE(nFile);
READWRITE(nBlockPos);
- READWRITE(nChainTrust);
READWRITE(nHeight);
- READWRITE(nCheckpoint);
- READWRITE(fProofOfStake);
- if (fProofOfStake)
+ READWRITE(nMint);
+ READWRITE(nMoneySupply);
+ READWRITE(nFlags);
+ READWRITE(nStakeModifier);
+ if (IsProofOfStake())
{
READWRITE(prevoutStake);
READWRITE(nStakeTime);
+ READWRITE(hashProofOfStake);
}
else if (fRead)
{
const_cast<CDiskBlockIndex*>(this)->prevoutStake.SetNull();
const_cast<CDiskBlockIndex*>(this)->nStakeTime = 0;
+ const_cast<CDiskBlockIndex*>(this)->hashProofOfStake = 0;
}
// block header
READWRITE(nTime);
READWRITE(nBits);
READWRITE(nNonce);
+ READWRITE(blockHash);
)
uint256 GetBlockHash() const
{
+ if (fUseFastIndex && (nTime < GetAdjustedTime() - nOneDay) && blockHash != 0)
+ return blockHash;
+
CBlock block;
block.nVersion = nVersion;
block.hashPrevBlock = hashPrev;
block.nTime = nTime;
block.nBits = nBits;
block.nNonce = nNonce;
- return block.GetHash();
- }
+ const_cast<CDiskBlockIndex*>(this)->blockHash = block.GetHash();
+
+ return blockHash;
+ }
std::string ToString() const
{
str += CBlockIndex::ToString();
str += strprintf("\n hashBlock=%s, hashPrev=%s, hashNext=%s)",
GetBlockHash().ToString().c_str(),
- hashPrev.ToString().substr(0,20).c_str(),
- hashNext.ToString().substr(0,20).c_str());
+ hashPrev.ToString().c_str(),
+ hashNext.ToString().c_str());
return str;
}
-//
-// Describes a place in the block chain to another node such that if the
-// other node doesn't have the same branch, it can find a recent common trunk.
-// The further back it is, the further before the fork it may be.
-//
+/** Describes a place in the block chain to another node such that if the
+ * other node doesn't have the same branch, it can find a recent common trunk.
+ * The further back it is, the further before the fork it may be.
+ */
class CBlockLocator
{
protected:
Set((*mi).second);
}
+ CBlockLocator(const std::vector<uint256>& vHaveIn)
+ {
+ vHave = vHaveIn;
+ }
+
IMPLEMENT_SERIALIZE
(
if (!(nType & SER_GETHASH))
if (vHave.size() > 10)
nStep *= 2;
}
- vHave.push_back(hashGenesisBlock);
+ vHave.push_back((!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet));
}
int GetDistanceBack()
return hash;
}
}
- return hashGenesisBlock;
+ return (!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet);
}
int GetHeight()
-
-//
-// Alerts are for notifying old versions if they become too obsolete and
-// need to upgrade. The message is displayed in the status bar.
-// Alert messages are broadcast as a vector of signed data. Unserializing may
-// not read the entire buffer if the alert is for a newer version, but older
-// versions can still relay the original data.
-//
-class CUnsignedAlert
+class CTxMemPool
{
public:
- int nVersion;
- int64 nRelayUntil; // when newer nodes stop relaying to newer nodes
- int64 nExpiration;
- int nID;
- int nCancel;
- std::set<int> setCancel;
- int nMinVer; // lowest version inclusive
- int nMaxVer; // highest version inclusive
- std::set<std::string> setSubVer; // empty matches all
- int nPriority;
-
- // Actions
- std::string strComment;
- std::string strStatusBar;
- std::string strReserved;
+ mutable CCriticalSection cs;
+ std::map<uint256, CTransaction> mapTx;
+ std::map<COutPoint, CInPoint> mapNextTx;
- IMPLEMENT_SERIALIZE
- (
- READWRITE(this->nVersion);
- nVersion = this->nVersion;
- READWRITE(nRelayUntil);
- READWRITE(nExpiration);
- READWRITE(nID);
- READWRITE(nCancel);
- READWRITE(setCancel);
- READWRITE(nMinVer);
- READWRITE(nMaxVer);
- READWRITE(setSubVer);
- READWRITE(nPriority);
-
- READWRITE(strComment);
- READWRITE(strStatusBar);
- READWRITE(strReserved);
- )
+ bool accept(CTxDB& txdb, CTransaction &tx,
+ bool fCheckInputs, bool* pfMissingInputs);
+ bool addUnchecked(const uint256& hash, CTransaction &tx);
+ bool remove(CTransaction &tx);
+ void clear();
+ void queryHashes(std::vector<uint256>& vtxid);
- void SetNull()
+ size_t size()
{
- nVersion = 1;
- nRelayUntil = 0;
- nExpiration = 0;
- nID = 0;
- nCancel = 0;
- setCancel.clear();
- nMinVer = 0;
- nMaxVer = 0;
- setSubVer.clear();
- nPriority = 0;
-
- strComment.clear();
- strStatusBar.clear();
- strReserved.clear();
+ LOCK(cs);
+ return mapTx.size();
}
- std::string ToString() const
+ bool exists(uint256 hash)
{
- std::string strSetCancel;
- BOOST_FOREACH(int n, setCancel)
- strSetCancel += strprintf("%d ", n);
- std::string strSetSubVer;
- BOOST_FOREACH(std::string str, setSubVer)
- strSetSubVer += "\"" + str + "\" ";
- return strprintf(
- "CAlert(\n"
- " nVersion = %d\n"
- " nRelayUntil = %"PRI64d"\n"
- " nExpiration = %"PRI64d"\n"
- " nID = %d\n"
- " nCancel = %d\n"
- " setCancel = %s\n"
- " nMinVer = %d\n"
- " nMaxVer = %d\n"
- " setSubVer = %s\n"
- " nPriority = %d\n"
- " strComment = \"%s\"\n"
- " strStatusBar = \"%s\"\n"
- ")\n",
- nVersion,
- nRelayUntil,
- nExpiration,
- nID,
- nCancel,
- strSetCancel.c_str(),
- nMinVer,
- nMaxVer,
- strSetSubVer.c_str(),
- nPriority,
- strComment.c_str(),
- strStatusBar.c_str());
+ return (mapTx.count(hash) != 0);
}
- void print() const
+ CTransaction& lookup(uint256 hash)
{
- printf("%s", ToString().c_str());
+ return mapTx[hash];
}
};
-class CAlert : public CUnsignedAlert
-{
-public:
- std::vector<unsigned char> vchMsg;
- std::vector<unsigned char> vchSig;
-
- CAlert()
- {
- SetNull();
- }
-
- IMPLEMENT_SERIALIZE
- (
- READWRITE(vchMsg);
- READWRITE(vchSig);
- )
-
- void SetNull()
- {
- CUnsignedAlert::SetNull();
- vchMsg.clear();
- vchSig.clear();
- }
-
- bool IsNull() const
- {
- return (nExpiration == 0);
- }
-
- uint256 GetHash() const
- {
- return SerializeHash(*this);
- }
-
- bool IsInEffect() const
- {
- return (GetAdjustedTime() < nExpiration);
- }
-
- bool Cancels(const CAlert& alert) const
- {
- if (!IsInEffect())
- return false; // this was a no-op before 31403
- return (alert.nID <= nCancel || setCancel.count(alert.nID));
- }
-
- bool AppliesTo(int nVersion, std::string strSubVerIn) const
- {
- return (IsInEffect() &&
- nMinVer <= nVersion && nVersion <= nMaxVer &&
- (setSubVer.empty() || setSubVer.count(strSubVerIn)));
- }
-
- bool AppliesToMe() const
- {
- return AppliesTo(VERSION, ::pszSubVer);
- }
-
- bool RelayTo(CNode* pnode) const
- {
- if (!IsInEffect())
- return false;
- // returns true if wasn't already contained in the set
- if (pnode->setKnown.insert(GetHash()).second)
- {
- if (AppliesTo(pnode->nVersion, pnode->strSubVer) ||
- AppliesToMe() ||
- GetAdjustedTime() < nRelayUntil)
- {
- pnode->PushMessage("alert", *this);
- return true;
- }
- }
- return false;
- }
-
- bool CheckSignature()
- {
- CKey key;
- if (!key.SetPubKey(ParseHex("0487ca85b6ae9d311f996c7616d20d0c88a5b4f07d25e78f419019f35cce6522acf978b2d99f0e7a58db1f120439e5c1889266927854aa57c93956c2569188a539")))
- return error("CAlert::CheckSignature() : SetPubKey failed");
- if (!key.Verify(Hash(vchMsg.begin(), vchMsg.end()), vchSig))
- return error("CAlert::CheckSignature() : verify signature failed");
-
- // Now unserialize the data
- CDataStream sMsg(vchMsg);
- sMsg >> *(CUnsignedAlert*)this;
- return true;
- }
-
- bool ProcessAlert();
-};
+extern CTxMemPool mempool;
#endif