// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
-// Copyright (c) 2011-2013 The PPCoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_MAIN_H
#define BITCOIN_MAIN_H
#include "bignum.h"
+#include "sync.h"
#include "net.h"
#include "script.h"
#include "scrypt_mine.h"
-#ifdef WIN32
-#include <io.h> /* for _commit */
-#endif
-
#include <list>
class CWallet;
static const unsigned int MAX_BLOCK_SIZE_GEN = MAX_BLOCK_SIZE/2;
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 MIN_TX_FEE = CENT;
static const int64 MIN_RELAY_TX_FEE = CENT;
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 STAKEWEIGHT_SWITCH_TIME = 1388534400; // Wed, 01 Jan 2014 00:00:00 GMT
+
+
inline bool MoneyRange(int64 nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
-static const int COINBASE_MATURITY_PPC = 500;
// 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
-static const int STAKE_TARGET_SPACING = 10 * 60; // 10-minute block spacing
-static const int STAKE_MIN_AGE = 60 * 60 * 24 * 30; // minimum age for coin age
-static const int STAKE_MAX_AGE = 60 * 60 * 24 * 90; // stake age of full weight
+static const unsigned int LOCKTIME_THRESHOLD = 500000000; // Tue Nov 5 00:53:20 1985 UTC
#ifdef USE_UPNP
static const int fHaveUPnP = true;
static const int fHaveUPnP = false;
#endif
-static const uint256 hashGenesisBlockOfficial("0x00000a060336cbb72fe969666d337b87198b1add2abaa59cca226820b32933a4");
-static const uint256 hashGenesisBlockTestNet("0x00000a060336cbb72fe969666d337b87198b1add2abaa59cca226820b32933a4");
+static const uint256 hashGenesisBlock("0x00000a060336cbb72fe969666d337b87198b1add2abaa59cca226820b32933a4");
+static const uint256 hashGenesisBlockTestNet("0x000c763e402f2436da9ed36c7286f62c3f6e5dbafce9ff289bd43d7459327eb");
static const int64 nMaxClockDrift = 2 * 60 * 60; // two hours
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 nStakeMinAge;
+extern unsigned int nNodeLifespan;
extern int nCoinbaseMaturity;
-extern CBlockIndex* pindexGenesisBlock;
extern int nBestHeight;
-extern CBigNum bnBestChainTrust;
-extern CBigNum bnBestInvalidTrust;
+extern uint256 nBestChainTrust;
+extern uint256 nBestInvalidTrust;
extern uint256 hashBestChain;
extern CBlockIndex* pindexBest;
extern unsigned int nTransactionsUpdated;
extern int64 nTimeBestReceived;
extern CCriticalSection cs_setpwalletRegistered;
extern std::set<CWallet*> setpwalletRegistered;
+extern unsigned char pchMessageStart[4];
extern std::map<uint256, CBlock*> mapOrphanBlocks;
// Settings
extern int64 nTransactionFee;
+extern bool fStakeUsePooledKeys;
-
-
+// Minimum disk space required - used in CheckDiskSpace()
+static const uint64 nMinDiskSpace = 52428800;
class CReserveKey;
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);
FILE* OpenBlockFile(unsigned int nFile, unsigned int nBlockPos, const char* pszMode="rb");
FILE* AppendBlockFile(unsigned int& nFileRet);
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);
+bool LoadExternalBlockFile(FILE* fileIn);
CBlock* CreateNewBlock(CWallet* pwallet, bool fProofOfStake=false);
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 CheckStake(CBlock* pblock, CWallet& wallet);
bool CheckProofOfWork(uint256 hash, unsigned int nBits);
int64 GetProofOfWorkReward(unsigned int nBits);
-int64 GetProofOfStakeReward(int64 nCoinAge);
-unsigned int ComputeMinWork(unsigned int nBase, int64 nTime, bool fProofOfStake, int nHeight);
+int64 GetProofOfStakeReward(int64 nCoinAge, unsigned int nBits, unsigned int nTime, bool bCoinYearOnly=false);
+unsigned int ComputeMinWork(unsigned int nBase, int64 nTime);
+unsigned int ComputeMinStake(unsigned int nBase, int64 nTime, unsigned int nBlockTime);
int GetNumBlocksOfPeers();
bool IsInitialBlockDownload();
std::string GetWarnings(std::string strFor);
+
+
+
bool GetWalletFile(CWallet* pwallet, std::string &strWalletFileOut);
/** Position on disk for a particular transaction. */
}
IMPLEMENT_SERIALIZE( READWRITE(FLATDATA(*this)); )
- void SetNull() { nFile = -1; nBlockPos = 0; nTxPos = 0; }
- bool IsNull() const { return (nFile == -1); }
+ void SetNull() { nFile = (unsigned int) -1; nBlockPos = 0; nTxPos = 0; }
+ bool IsNull() const { return (nFile == (unsigned int) -1); }
friend bool operator==(const CDiskTxPos& a, const CDiskTxPos& b)
{
return !(a == b);
}
+
std::string ToString() const
{
if (IsNull())
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
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 = (unsigned int) -1; }
+ bool IsNull() const { return (ptx == NULL && n == (unsigned int) -1); }
};
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 = (unsigned int) -1; }
+ bool IsNull() const { return (hash == 0 && n == (unsigned int) -1); }
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
class CTransaction
{
public:
+ static const int CURRENT_VERSION=1;
int nVersion;
unsigned int nTime;
std::vector<CTxIn> vin;
void SetNull()
{
- nVersion = 1;
+ nVersion = CTransaction::CURRENT_VERSION;
nTime = GetAdjustedTime();
vin.clear();
vout.clear();
return dPriority > COIN * 144 / 250;
}
- int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=false, enum GetMinFee_mode mode=GMF_BLOCK) const
- {
- // Base fee is either MIN_TX_FEE or MIN_RELAY_TX_FEE
- int64 nBaseFee = (mode == GMF_RELAY) ? MIN_RELAY_TX_FEE : MIN_TX_FEE;
-
- unsigned int nBytes = ::GetSerializeSize(*this, SER_NETWORK, PROTOCOL_VERSION);
- 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 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=false, enum GetMinFee_mode mode=GMF_BLOCK) const;
bool ReadFromDisk(CDiskTxPos pos, FILE** pfileRet=NULL)
{
return !(a == b);
}
-
std::string ToStringShort() const
{
std::string str;
{
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,
return !(a == b);
}
int GetDepthInMainChain() const;
+
};
{
public:
// header
+ static const int CURRENT_VERSION=6;
int nVersion;
uint256 hashPrevBlock;
uint256 hashMerkleRoot;
void SetNull()
{
- nVersion = 3;
+ nVersion = CBlock::CURRENT_VERSION;
hashPrevBlock = 0;
hashMerkleRoot = 0;
nTime = 0;
return thash;
}
- int GetBlockHeight() const;
-
int64 GetBlockTime() const
{
return (int64)nTime;
void UpdateTime(const CBlockIndex* pindexPrev);
// ppcoin: entropy bit for stake modifier if chosen by modifier
- unsigned int GetStakeEntropyBit(unsigned int nHeight) const
+ unsigned int GetStakeEntropyBit(unsigned int nTime) const
{
// Protocol switch to support p2pool at novacoin block #9689
- if (nHeight >= 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: nHeight=%u hashBlock=%s nEntropyBit=%u\n", nHeight, GetHash().ToString().c_str(), nEntropyBit);
+ printf("GetStakeEntropyBit: nTime=%u hashBlock=%s nEntropyBit=%u\n", nTime, GetHash().ToString().c_str(), nEntropyBit);
return nEntropyBit;
}
// Before novacoin block #9689 - old protocol
printf("GetStakeEntropyBit: hashSig=%s", hashSig.ToString().c_str());
hashSig >>= 159; // take the first bit of the hash
if (fDebug && GetBoolArg("-printstakemodifier"))
- printf(" entropybit=%d\n", hashSig.Get64());
+ printf(" entropybit=%"PRI64d"\n", hashSig.Get64());
return hashSig.Get64();
}
return error("CBlock::WriteToDisk() : AppendBlockFile failed");
// Write index header
- unsigned char pchMessageStart[4];
- GetMessageStart(pchMessageStart, true);
unsigned int nSize = fileout.GetSerializeSize(*this);
fileout << FLATDATA(pchMessageStart) << nSize;
// 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;
}
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());
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 SignBlock(const CKeyStore& keystore);
- bool CheckBlockSignature() const;
+ bool CheckBlockSignature(bool fProofOfStake) const;
private:
bool SetBestChainInner(CTxDB& txdb, CBlockIndex *pindexNew);
CBlockIndex* pnext;
unsigned int nFile;
unsigned int nBlockPos;
- CBigNum bnChainTrust; // ppcoin: trust score of block chain
+ uint256 nChainTrust; // ppcoin: trust score of block chain
int nHeight;
+
int64 nMint;
int64 nMoneySupply;
unsigned int nBits;
unsigned int nNonce;
-
CBlockIndex()
{
phashBlock = NULL;
nFile = 0;
nBlockPos = 0;
nHeight = 0;
- bnChainTrust = 0;
+ nChainTrust = 0;
nMint = 0;
nMoneySupply = 0;
nFlags = 0;
nFile = nFileIn;
nBlockPos = nBlockPosIn;
nHeight = 0;
- bnChainTrust = 0;
+ nChainTrust = 0;
nMint = 0;
nMoneySupply = 0;
nFlags = 0;
return (int64)nTime;
}
- CBigNum GetBlockTrust() const
- {
- CBigNum bnTarget;
- bnTarget.SetCompact(nBits);
- if (bnTarget <= 0)
- return 0;
- return (IsProofOfStake()? (CBigNum(1)<<256) / (bnTarget+1) : 1);
- }
+ uint256 GetBlockTrust() const;
bool IsInMainChain() const
{
return true;
}
- bool EraseBlockFromDisk()
- {
- // Open history file
- CAutoFile fileout = CAutoFile(OpenBlockFile(nFile, nBlockPos, "rb+"), SER_DISK, CLIENT_VERSION);
- if (!fileout)
- return false;
-
- // Overwrite with empty null block
- CBlock block;
- block.SetNull();
- fileout << block;
-
- return true;
- }
-
enum { nMedianTimeSpan=11 };
int64 GetMedianTimePast() const
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 !(nFlags & BLOCK_PROOF_OF_STAKE);
std::string ToString() const
{
- return strprintf("CBlockIndex(nprev=%08x, pnext=%08x, nFile=%d, nBlockPos=%-6d nHeight=%d, nMint=%s, nMoneySupply=%s, nFlags=(%s)(%d)(%s), nStakeModifier=%016"PRI64x", nStakeModifierChecksum=%08x, hashProofOfStake=%s, prevoutStake=(%s), nStakeTime=%d merkle=%s, hashBlock=%s)",
+ return strprintf("CBlockIndex(nprev=%p, pnext=%p, nFile=%u, nBlockPos=%-6d nHeight=%d, nMint=%s, nMoneySupply=%s, nFlags=(%s)(%d)(%s), nStakeModifier=%016"PRI64x", nStakeModifierChecksum=%08x, hashProofOfStake=%s, prevoutStake=(%s), nStakeTime=%d merkle=%s, hashBlock=%s)",
pprev, 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().substr(0,10).c_str(),
- GetBlockHash().ToString().substr(0,20).c_str());
+ hashMerkleRoot.ToString().c_str(),
+ GetBlockHash().ToString().c_str());
}
void print() 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;
}
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
-{
-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;
-
- 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);
- )
-
- void SetNull()
- {
- 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();
- }
-
- std::string ToString() const
- {
- 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());
- }
-
- void print() const
- {
- printf("%s", ToString().c_str());
- }
-};
-
-/** An alert is a combination of a serialized CUnsignedAlert and a signature. */
-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
- {
- // TODO: rework for client-version-embedded-in-strSubVer ?
- return (IsInEffect() &&
- nMinVer <= nVersion && nVersion <= nMaxVer &&
- (setSubVer.empty() || setSubVer.count(strSubVerIn)));
- }
-
- bool AppliesToMe() const
- {
- return AppliesTo(PROTOCOL_VERSION, FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, std::vector<std::string>()));
- }
-
- 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("043fa441fd4203d03f5df2b75ea14e36f20d39f43e7a61aa7552ab9bcd7ecb0e77a3be4585b13fcdaa22ef6e51f1ff6f2929bec2494385b086fb86610e33193195")))
- 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, SER_NETWORK, PROTOCOL_VERSION);
- sMsg >> *(CUnsignedAlert*)this;
- return true;
- }
-
- bool ProcessAlert();
-};
-
class CTxMemPool
{
public:
bool accept(CTxDB& txdb, CTransaction &tx,
bool fCheckInputs, bool* pfMissingInputs);
- bool addUnchecked(CTransaction &tx);
+ bool addUnchecked(const uint256& hash, CTransaction &tx);
bool remove(CTransaction &tx);
+ void clear();
+ void queryHashes(std::vector<uint256>& vtxid);
unsigned long size()
{