// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2011 The PPCoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_MAIN_H
#include "net.h"
#include "key.h"
#include "script.h"
+#include "db.h"
#include <list>
-class COutPoint;
-class CInPoint;
-class CDiskTxPos;
-class CCoinBase;
-class CTxIn;
-class CTxOut;
-class CTransaction;
class CBlock;
class CBlockIndex;
class CWalletTx;
class CWallet;
class CKeyItem;
+class CReserveKey;
+class CWalletDB;
-class CMessageHeader;
class CAddress;
class CInv;
class CRequestTracker;
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 = 100000000;
-static const int64 CENT = 1000000;
-static const int64 MIN_TX_FEE = 50000;
+static const int64 COIN = 10000;
+static const int64 CENT = 100;
+static const int64 MIN_TX_FEE = 10000;
static const int64 MIN_RELAY_TX_FEE = 10000;
-static const int64 MAX_MONEY = 21000000 * COIN;
+static const int64 MAX_MONEY = 800000000000000 * 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
extern CCriticalSection cs_main;
extern std::map<uint256, CBlockIndex*> mapBlockIndex;
extern uint256 hashGenesisBlock;
-extern CBigNum bnProofOfWorkLimit;
extern CBlockIndex* pindexGenesisBlock;
extern int nBestHeight;
-extern CBigNum bnBestChainWork;
-extern CBigNum bnBestInvalidWork;
+extern uint64 nBestChainTrust;
+extern uint64 nBestInvalidTrust;
extern uint256 hashBestChain;
extern CBlockIndex* pindexBest;
-extern std::set<int64> setKeyPool;
-extern CCriticalSection cs_setKeyPool;
extern unsigned int nTransactionsUpdated;
extern double dHashesPerSec;
extern int64 nHPSTimerStart;
extern int64 nTimeBestReceived;
-extern std::map<std::string, std::string> mapAddressBook;
-extern CCriticalSection cs_mapAddressBook;
-
+extern CCriticalSection cs_setpwalletRegistered;
+extern std::set<CWallet*> setpwalletRegistered;
// Settings
extern int fGenerateBitcoins;
extern int64 nTransactionFee;
-extern CAddress addrIncoming;
extern int fLimitProcessors;
extern int nLimitProcessors;
extern int fMinimizeToTray;
class CTxDB;
class CTxIndex;
+void RegisterWallet(CWallet* pwalletIn);
+void UnregisterWallet(CWallet* pwalletIn);
+bool ProcessBlock(CNode* pfrom, CBlock* pblock);
bool CheckDiskSpace(uint64 nAdditionalBytes=0);
FILE* OpenBlockFile(unsigned int nFile, unsigned int nBlockPos, const char* pszMode="rb");
FILE* AppendBlockFile(unsigned int& nFileRet);
bool LoadBlockIndex(bool fAllowNew=true);
void PrintBlockTree();
bool ProcessMessages(CNode* pfrom);
-bool ProcessMessage(CNode* pfrom, std::string strCommand, CDataStream& vRecv);
bool SendMessages(CNode* pto, bool fSendTrickle);
-void GenerateBitcoins(bool fGenerate);
-void ThreadBitcoinMiner(void* parg);
+void GenerateBitcoins(bool fGenerate, CWallet* pwallet);
CBlock* CreateNewBlock(CReserveKey& reservekey);
-void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce, int64& nPrevTime);
+void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce);
void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash1);
-bool CheckWork(CBlock* pblock, CReserveKey& reservekey);
-void BitcoinMiner();
+bool CheckWork(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey);
bool CheckProofOfWork(uint256 hash, unsigned int nBits);
+unsigned int ComputeMinWork(unsigned int nBase, int64 nTime);
+int GetNumBlocksOfPeers();
bool IsInitialBlockDownload();
std::string GetWarnings(std::string strFor);
+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;
+}
+
+
class CDiskTxPos
{
public:
{
printf("%s\n", ToString().c_str());
}
-
- bool IsMine() const;
- int64 GetDebit() const;
};
return SerializeHash(*this);
}
- bool IsMine() const
- {
- return ::IsMine(scriptPubKey);
- }
-
- int64 GetCredit() const
- {
- if (!MoneyRange(nValue))
- throw std::runtime_error("CTxOut::GetCredit() : value out of range");
- return (IsMine() ? nValue : 0);
- }
-
- bool IsChange() const
- {
- // On a debit transaction, a txout that's mine but isn't in the address book is change
- std::vector<unsigned char> vchPubKey;
- if (ExtractPubKey(scriptPubKey, true, vchPubKey))
- CRITICAL_BLOCK(cs_mapAddressBook)
- if (!mapAddressBook.count(PubKeyToAddress(vchPubKey)))
- return true;
- return false;
- }
-
- int64 GetChange() const
- {
- if (!MoneyRange(nValue))
- throw std::runtime_error("CTxOut::GetChange() : value out of range");
- return (IsChange() ? nValue : 0);
- }
-
friend bool operator==(const CTxOut& a, const CTxOut& b)
{
return (a.nValue == b.nValue &&
{
if (scriptPubKey.size() < 6)
return "CTxOut(error)";
- return strprintf("CTxOut(nValue=%"PRI64d".%08"PRI64d", scriptPubKey=%s)", nValue / COIN, nValue % COIN, scriptPubKey.ToString().substr(0,30).c_str());
+ return strprintf("CTxOut(nValue=%s, scriptPubKey=%s)", FormatMoney(nValue).c_str(), scriptPubKey.ToString().substr(0,30).c_str());
}
void print() const
{
public:
int nVersion;
+ unsigned int nTime;
std::vector<CTxIn> vin;
std::vector<CTxOut> vout;
unsigned int nLockTime;
+ // Denial-of-service detection:
+ mutable int nDoS;
+ bool DoS(int nDoSIn, bool fIn) const { nDoS += nDoSIn; return fIn; }
CTransaction()
{
(
READWRITE(this->nVersion);
nVersion = this->nVersion;
+ READWRITE(nTime);
READWRITE(vin);
READWRITE(vout);
READWRITE(nLockTime);
void SetNull()
{
nVersion = 1;
+ nTime = GetAdjustedTime();
vin.clear();
vout.clear();
nLockTime = 0;
+ nDoS = 0; // Denial-of-service prevention
}
bool IsNull() const
nBlockHeight = nBestHeight;
if (nBlockTime == 0)
nBlockTime = GetAdjustedTime();
- if ((int64)nLockTime < (nLockTime < 500000000 ? (int64)nBlockHeight : nBlockTime))
+ if ((int64)nLockTime < (nLockTime < LOCKTIME_THRESHOLD ? (int64)nBlockHeight : nBlockTime))
return true;
BOOST_FOREACH(const CTxIn& txin, vin)
if (!txin.IsFinal())
return true;
}
- bool IsMine() const
- {
- BOOST_FOREACH(const CTxOut& txout, vout)
- if (txout.IsMine())
- return true;
- return false;
- }
-
- bool IsFromMe() const
- {
- return (GetDebit() > 0);
- }
-
- int64 GetDebit() const
- {
- int64 nDebit = 0;
- BOOST_FOREACH(const CTxIn& txin, vin)
- {
- nDebit += txin.GetDebit();
- if (!MoneyRange(nDebit))
- throw std::runtime_error("CTransaction::GetDebit() : value out of range");
- }
- return nDebit;
- }
-
- int64 GetCredit() const
- {
- int64 nCredit = 0;
- BOOST_FOREACH(const CTxOut& txout, vout)
- {
- nCredit += txout.GetCredit();
- if (!MoneyRange(nCredit))
- throw std::runtime_error("CTransaction::GetCredit() : value out of range");
- }
- return nCredit;
- }
-
- int64 GetChange() const
- {
- if (IsCoinBase())
- return 0;
- int64 nChange = 0;
- BOOST_FOREACH(const CTxOut& txout, vout)
- {
- nChange += txout.GetChange();
- if (!MoneyRange(nChange))
- throw std::runtime_error("CTransaction::GetChange() : value out of range");
- }
- return nChange;
- }
-
int64 GetValueOut() const
{
int64 nValueOut = 0;
unsigned int nBytes = ::GetSerializeSize(*this, SER_NETWORK);
unsigned int nNewBlockSize = nBlockSize + nBytes;
- int64 nMinFee = (1 + (int64)nBytes / 1000) * nBaseFee;
+ int64 nMinFee = nBaseFee; // ppcoin: simplify transaction fee
if (fAllowFree)
{
friend bool operator==(const CTransaction& a, const CTransaction& b)
{
return (a.nVersion == b.nVersion &&
+ a.nTime == b.nTime &&
a.vin == b.vin &&
a.vout == b.vout &&
a.nLockTime == b.nLockTime);
std::string ToString() const
{
std::string str;
- str += strprintf("CTransaction(hash=%s, ver=%d, vin.size=%d, vout.size=%d, nLockTime=%d)\n",
+ str += strprintf("CTransaction(hash=%s, nTime=%d, ver=%d, vin.size=%d, vout.size=%d, nLockTime=%d)\n",
GetHash().ToString().substr(0,10).c_str(),
+ nTime,
nVersion,
vin.size(),
vout.size(),
// memory only
mutable std::vector<uint256> vMerkleTree;
+ // Denial-of-service detection:
+ mutable int nDoS;
+ bool DoS(int nDoSIn, bool fIn) const { nDoS += nDoSIn; return fIn; }
CBlock()
{
nNonce = 0;
vtx.clear();
vMerkleTree.clear();
+ nDoS = 0;
}
bool IsNull() const
return (int64)nTime;
}
+ // ppcoin: get max transaction timestamp
+ int64 GetMaxTransactionTime() const
+ {
+ int64 maxTransactionTime = 0;
+ BOOST_FOREACH(const CTransaction& tx, vtx)
+ maxTransactionTime = std::max(maxTransactionTime, (int64)tx.nTime);
+ return maxTransactionTime;
+ }
+
int GetSigOpCount() const
{
int n = 0;
fflush(fileout);
if (!IsInitialBlockDownload() || (nBestHeight+1) % 500 == 0)
{
-#ifdef __WXMSW__
+#ifdef WIN32
_commit(_fileno(fileout));
#else
fsync(fileno(fileout));
bool AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos);
bool CheckBlock() const;
bool AcceptBlock();
+ uint64 GetBlockCoinAge(); // ppcoin: calculate total coin age spent in block
};
CBlockIndex* pnext;
unsigned int nFile;
unsigned int nBlockPos;
+ uint64 nChainTrust;// ppcoin: trust score of chain, in the unit of coin-days
int nHeight;
- CBigNum bnChainWork;
// block header
int nVersion;
nFile = 0;
nBlockPos = 0;
nHeight = 0;
- bnChainWork = 0;
+ nChainTrust = 0;
nVersion = 0;
hashMerkleRoot = 0;
nFile = nFileIn;
nBlockPos = nBlockPosIn;
nHeight = 0;
- bnChainWork = 0;
+ nChainTrust = 0;
nVersion = block.nVersion;
hashMerkleRoot = block.hashMerkleRoot;
return (int64)nTime;
}
- CBigNum GetBlockWork() const
+ int64 GetBlockTrust() const
{
- CBigNum bnTarget;
- bnTarget.SetCompact(nBits);
- if (bnTarget <= 0)
- return 0;
- return (CBigNum(1)<<256) / (bnTarget+1);
+ return (nChainTrust - pprev->nChainTrust);
}
bool IsInMainChain() const
std::string ToString() const
{
- return strprintf("CBlockIndex(nprev=%08x, pnext=%08x, nFile=%d, nBlockPos=%-6d nHeight=%d, merkle=%s, hashBlock=%s)",
- pprev, pnext, nFile, nBlockPos, nHeight,
+ return strprintf("CBlockIndex(nprev=%08x, pnext=%08x, nFile=%d, nBlockPos=%-6d nChainTrust=%"PRI64d" nHeight=%d, merkle=%s, hashBlock=%s)",
+ pprev, pnext, nFile, nBlockPos, nChainTrust, nHeight,
hashMerkleRoot.ToString().substr(0,10).c_str(),
GetBlockHash().ToString().substr(0,20).c_str());
}
READWRITE(hashNext);
READWRITE(nFile);
READWRITE(nBlockPos);
+ READWRITE(nChainTrust);
READWRITE(nHeight);
// block header
bool ProcessAlert();
};
-
-
-
-
-
-
-
-
-
-extern std::map<uint256, CTransaction> mapTransactions;
-extern std::map<std::vector<unsigned char>, CPrivKey> mapKeys;
-extern std::map<uint160, std::vector<unsigned char> > mapPubKeys;
-extern CCriticalSection cs_mapKeys;
-
#endif