class CWalletTx;
class CKeyItem;
-static const unsigned int MAX_SIZE = 0x02000000;
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 MAX_MONEY = 21000000 * COIN;
+inline bool MoneyRange(int64 nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
static const int COINBASE_MATURITY = 100;
-
-static const CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
+#ifdef USE_UPNP
+static const int fHaveUPnP = true;
+#else
+static const int fHaveUPnP = false;
+#endif
extern CCriticalSection cs_main;
extern map<uint256, CBlockIndex*> mapBlockIndex;
-extern const uint256 hashGenesisBlock;
+extern uint256 hashGenesisBlock;
+extern CBigNum bnProofOfWorkLimit;
extern CBlockIndex* pindexGenesisBlock;
extern int nBestHeight;
extern CBigNum bnBestChainWork;
extern int nLimitProcessors;
extern int fMinimizeToTray;
extern int fMinimizeOnClose;
+extern int fUseUPnP;
-bool CheckDiskSpace(int64 nAdditionalBytes=0);
+bool CheckDiskSpace(uint64 nAdditionalBytes=0);
FILE* OpenBlockFile(unsigned int nFile, unsigned int nBlockPos, const char* pszMode="rb");
FILE* AppendBlockFile(unsigned int& nFileRet);
bool AddKey(const CKey& key);
vector<unsigned char> GenerateNewKey();
bool AddToWallet(const CWalletTx& wtxIn);
void WalletUpdateSpent(const COutPoint& prevout);
+int ScanForWalletTransactions(CBlockIndex* pindexStart);
void ReacceptWalletTransactions();
bool LoadBlockIndex(bool fAllowNew=true);
void PrintBlockTree();
bool ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv);
bool SendMessages(CNode* pto, bool fSendTrickle);
int64 GetBalance();
-bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CKey& keyRet, int64& nFeeRequiredRet);
-bool CommitTransaction(CWalletTx& wtxNew, const CKey& key);
+bool CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
+bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
+bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
bool BroadcastTransaction(CWalletTx& wtxNew);
string SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
string SendMoneyToBitcoinAddress(string strAddress, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
void GenerateBitcoins(bool fGenerate);
void ThreadBitcoinMiner(void* parg);
+CBlock* CreateNewBlock(CReserveKey& reservekey);
+void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce, int64& nPrevTime);
+void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash1);
+bool CheckWork(CBlock* pblock, CReserveKey& reservekey);
void BitcoinMiner();
+bool CheckProofOfWork(uint256 hash, unsigned int nBits);
bool IsInitialBlockDownload();
-bool IsLockdown();
+string GetWarnings(string strFor);
string ToString() const
{
- return strprintf("COutPoint(%s, %d)", hash.ToString().substr(0,6).c_str(), n);
+ return strprintf("COutPoint(%s, %d)", hash.ToString().substr(0,10).c_str(), n);
}
void print() const
str += strprintf("CTxIn(");
str += prevout.ToString();
if (prevout.IsNull())
- str += strprintf(", coinbase %s", HexStr(scriptSig.begin(), scriptSig.end(), false).c_str());
+ str += strprintf(", coinbase %s", HexStr(scriptSig).c_str());
else
str += strprintf(", scriptSig=%s", scriptSig.ToString().substr(0,24).c_str());
if (nSequence != UINT_MAX)
int64 nValue;
CScript scriptPubKey;
-public:
CTxOut()
{
SetNull();
int64 GetCredit() const
{
- if (IsMine())
- return nValue;
- return 0;
+ if (!MoneyRange(nValue))
+ throw 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
+ 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 runtime_error("CTxOut::GetChange() : value out of range");
+ return (IsChange() ? nValue : 0);
}
friend bool operator==(const CTxOut& a, const CTxOut& b)
{
if (scriptPubKey.size() < 6)
return "CTxOut(error)";
- return strprintf("CTxOut(nValue=%"PRI64d".%08"PRI64d", scriptPubKey=%s)", nValue / COIN, nValue % COIN, scriptPubKey.ToString().substr(0,24).c_str());
+ return strprintf("CTxOut(nValue=%"PRI64d".%08"PRI64d", scriptPubKey=%s)", nValue / COIN, nValue % COIN, scriptPubKey.ToString().substr(0,30).c_str());
}
void print() const
nBlockHeight = nBestHeight;
if (nBlockTime == 0)
nBlockTime = GetAdjustedTime();
- if (nLockTime < (nLockTime < 500000000 ? nBlockHeight : nBlockTime))
+ if ((int64)nLockTime < (nLockTime < 500000000 ? (int64)nBlockHeight : nBlockTime))
return true;
foreach(const CTxIn& txin, vin)
if (!txin.IsFinal())
return (vin.size() == 1 && vin[0].prevout.IsNull());
}
- bool CheckTransaction() const
+ int GetSigOpCount() const
{
- // Basic checks that don't depend on any context
- if (vin.empty() || vout.empty())
- return error("CTransaction::CheckTransaction() : vin or vout empty");
-
- // Check for negative values
+ int n = 0;
+ foreach(const CTxIn& txin, vin)
+ n += txin.scriptSig.GetSigOpCount();
foreach(const CTxOut& txout, vout)
- {
- if (txout.nValue < 0)
- return error("CTransaction::CheckTransaction() : txout.nValue negative");
- if (txout.nValue > 21000000*COIN)
- return error("CTransaction::CheckTransaction() : txout.nValue over-max");
- }
-
- if (IsCoinBase())
- {
- if (vin[0].scriptSig.size() < 2 || vin[0].scriptSig.size() > 100)
- return error("CTransaction::CheckTransaction() : coinbase script size");
- }
- else
- {
- foreach(const CTxIn& txin, vin)
- if (txin.prevout.IsNull())
- return error("CTransaction::CheckTransaction() : prevout is null");
- }
+ n += txout.scriptPubKey.GetSigOpCount();
+ return n;
+ }
+ bool IsStandard() const
+ {
+ foreach(const CTxIn& txin, vin)
+ if (!txin.scriptSig.IsPushOnly())
+ return error("nonstandard txin: %s", txin.scriptSig.ToString().c_str());
+ foreach(const CTxOut& txout, vout)
+ if (!::IsStandard(txout.scriptPubKey))
+ return error("nonstandard txout: %s", txout.scriptPubKey.ToString().c_str());
return true;
}
return false;
}
+ bool IsFromMe() const
+ {
+ return (GetDebit() > 0);
+ }
+
int64 GetDebit() const
{
int64 nDebit = 0;
foreach(const CTxIn& txin, vin)
+ {
nDebit += txin.GetDebit();
+ if (!MoneyRange(nDebit))
+ throw runtime_error("CTransaction::GetDebit() : value out of range");
+ }
return nDebit;
}
{
int64 nCredit = 0;
foreach(const CTxOut& txout, vout)
+ {
nCredit += txout.GetCredit();
+ if (!MoneyRange(nCredit))
+ throw runtime_error("CTransaction::GetCredit() : value out of range");
+ }
return nCredit;
}
+ int64 GetChange() const
+ {
+ if (IsCoinBase())
+ return 0;
+ int64 nChange = 0;
+ foreach(const CTxOut& txout, vout)
+ {
+ nChange += txout.GetChange();
+ if (!MoneyRange(nChange))
+ throw runtime_error("CTransaction::GetChange() : value out of range");
+ }
+ return nChange;
+ }
+
int64 GetValueOut() const
{
int64 nValueOut = 0;
foreach(const CTxOut& txout, vout)
{
- if (txout.nValue > 21000000*COIN)
- continue; // ignore over-max-value...
- if (txout.nValue < 0)
- throw runtime_error("CTransaction::GetValueOut() : negative value");
nValueOut += txout.nValue;
+ if (!MoneyRange(txout.nValue) || !MoneyRange(nValueOut))
+ throw runtime_error("CTransaction::GetValueOut() : value out of range");
}
return nValueOut;
}
- int64 GetMinFee(unsigned int nBlockSize=1) const
+ static bool AllowFree(double dPriority)
+ {
+ // Large (in bytes) low-priority (new, small-coin) transactions
+ // need a fee.
+ return dPriority > COIN * 144 / 250;
+ }
+
+ int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=true) const
{
// Base fee is 1 cent per kilobyte
unsigned int nBytes = ::GetSerializeSize(*this, SER_NETWORK);
+ unsigned int nNewBlockSize = nBlockSize + nBytes;
int64 nMinFee = (1 + (int64)nBytes / 1000) * CENT;
- // Transactions under 60K are free as long as block size is under 80K
- // (about 27,000bc if made of 50bc inputs)
- if (nBytes < 60000 && nBlockSize < 80000)
- nMinFee = 0;
-
- // Transactions under 3K are free as long as block size is under 200K
- if (nBytes < 3000 && nBlockSize < 200000)
- nMinFee = 0;
+ 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 a 0.01 fee if any output is less than 0.01
if (nMinFee < CENT)
if (txout.nValue < CENT)
nMinFee = CENT;
+ // 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;
}
-
bool ReadFromDisk(CDiskTxPos pos, FILE** pfileRet=NULL)
{
CAutoFile filein = OpenBlockFile(pos.nFile, 0, pfileRet ? "rb+" : "rb");
return true;
}
-
friend bool operator==(const CTransaction& a, const CTransaction& b)
{
return (a.nVersion == b.nVersion &&
{
string str;
str += strprintf("CTransaction(hash=%s, ver=%d, vin.size=%d, vout.size=%d, nLockTime=%d)\n",
- GetHash().ToString().substr(0,6).c_str(),
+ GetHash().ToString().substr(0,10).c_str(),
nVersion,
vin.size(),
vout.size(),
}
-
+ bool ReadFromDisk(CTxDB& txdb, COutPoint prevout, CTxIndex& txindexRet);
+ bool ReadFromDisk(CTxDB& txdb, COutPoint prevout);
+ bool ReadFromDisk(COutPoint prevout);
bool DisconnectInputs(CTxDB& txdb);
- bool ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPool, CDiskTxPos posThisTx, int nHeight, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee=0);
+ bool ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPool, CDiskTxPos posThisTx,
+ CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee=0);
bool ClientConnectInputs();
-
- bool AcceptTransaction(CTxDB& txdb, bool fCheckInputs=true, bool* pfMissingInputs=NULL);
-
- bool AcceptTransaction(bool fCheckInputs=true, bool* pfMissingInputs=NULL)
+ bool CheckTransaction() const;
+ bool AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs=true, bool* pfMissingInputs=NULL);
+ bool AcceptToMemoryPool(bool fCheckInputs=true, bool* pfMissingInputs=NULL)
{
CTxDB txdb("r");
- return AcceptTransaction(txdb, fCheckInputs, pfMissingInputs);
+ return AcceptToMemoryPool(txdb, fCheckInputs, pfMissingInputs);
}
-
protected:
- bool AddToMemoryPool();
+ bool AddToMemoryPoolUnchecked();
public:
bool RemoveFromMemoryPool();
};
int nIndex;
// memory only
- mutable bool fMerkleVerified;
- mutable bool fGetCreditCached;
- mutable int64 nGetCreditCached;
+ mutable char fMerkleVerified;
CMerkleTx()
hashBlock = 0;
nIndex = -1;
fMerkleVerified = false;
- fGetCreditCached = false;
- nGetCreditCached = 0;
}
+
IMPLEMENT_SERIALIZE
(
nSerSize += SerReadWrite(s, *(CTransaction*)this, nType, nVersion, ser_action);
READWRITE(nIndex);
)
- int64 GetCredit(bool fUseCache=false) const
- {
- // Must wait until coinbase is safely deep enough in the chain before valuing it
- if (IsCoinBase() && GetBlocksToMaturity() > 0)
- return 0;
-
- // GetBalance can assume transactions in mapWallet won't change
- if (fUseCache && fGetCreditCached)
- return nGetCreditCached;
- nGetCreditCached = CTransaction::GetCredit();
- fGetCreditCached = true;
- return nGetCreditCached;
- }
-
int SetMerkleBranch(const CBlock* pblock=NULL);
int GetDepthInMainChain(int& nHeightRet) const;
int GetDepthInMainChain() const { int nHeight; return GetDepthInMainChain(nHeight); }
bool IsInMainChain() const { return GetDepthInMainChain() > 0; }
int GetBlocksToMaturity() const;
- bool AcceptTransaction(CTxDB& txdb, bool fCheckInputs=true);
- bool AcceptTransaction() { CTxDB txdb("r"); return AcceptTransaction(txdb); }
+ bool AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs=true);
+ bool AcceptToMemoryPool() { CTxDB txdb("r"); return AcceptToMemoryPool(txdb); }
};
unsigned int fTimeReceivedIsTxTime;
unsigned int nTimeReceived; // time received by this node
char fFromMe;
- char fSpent;
- //// probably need to sign the order info so know it came from payer
+ string strFromAccount;
+ vector<char> vfSpent;
+
+ // memory only
+ mutable char fDebitCached;
+ mutable char fCreditCached;
+ mutable char fAvailableCreditCached;
+ mutable char fChangeCached;
+ mutable int64 nDebitCached;
+ mutable int64 nCreditCached;
+ mutable int64 nAvailableCreditCached;
+ mutable int64 nChangeCached;
// memory only UI hints
mutable unsigned int nTimeDisplayed;
mutable int nLinesDisplayed;
+ mutable char fConfirmedDisplayed;
CWalletTx()
void Init()
{
+ vtxPrev.clear();
+ mapValue.clear();
+ vOrderForm.clear();
fTimeReceivedIsTxTime = false;
nTimeReceived = 0;
fFromMe = false;
- fSpent = false;
+ strFromAccount.clear();
+ vfSpent.clear();
+ fDebitCached = false;
+ fCreditCached = false;
+ fAvailableCreditCached = false;
+ fChangeCached = false;
+ nDebitCached = 0;
+ nCreditCached = 0;
+ nAvailableCreditCached = 0;
+ nChangeCached = 0;
nTimeDisplayed = 0;
nLinesDisplayed = 0;
+ fConfirmedDisplayed = false;
}
IMPLEMENT_SERIALIZE
(
- nSerSize += SerReadWrite(s, *(CMerkleTx*)this, nType, nVersion, ser_action);
- nVersion = this->nVersion;
+ CWalletTx* pthis = const_cast<CWalletTx*>(this);
+ if (fRead)
+ pthis->Init();
+ char fSpent = false;
+
+ if (!fRead)
+ {
+ pthis->mapValue["fromaccount"] = pthis->strFromAccount;
+
+ string str;
+ foreach(char f, vfSpent)
+ {
+ str += (f ? '1' : '0');
+ if (f)
+ fSpent = true;
+ }
+ pthis->mapValue["spent"] = str;
+ }
+
+ nSerSize += SerReadWrite(s, *(CMerkleTx*)this, nType, nVersion,ser_action);
READWRITE(vtxPrev);
READWRITE(mapValue);
READWRITE(vOrderForm);
READWRITE(nTimeReceived);
READWRITE(fFromMe);
READWRITE(fSpent);
+
+ if (fRead)
+ {
+ pthis->strFromAccount = pthis->mapValue["fromaccount"];
+
+ if (mapValue.count("spent"))
+ foreach(char c, pthis->mapValue["spent"])
+ pthis->vfSpent.push_back(c != '0');
+ else
+ pthis->vfSpent.assign(vout.size(), fSpent);
+ }
+
+ pthis->mapValue.erase("fromaccount");
+ pthis->mapValue.erase("version");
+ pthis->mapValue.erase("spent");
)
+ // marks certain txout's as spent
+ // returns true if any update took place
+ bool UpdateSpent(const vector<char>& vfNewSpent)
+ {
+ bool fReturn = false;
+ for (int i=0; i < vfNewSpent.size(); i++)
+ {
+ if (i == vfSpent.size())
+ break;
+
+ if (vfNewSpent[i] && !vfSpent[i])
+ {
+ vfSpent[i] = true;
+ fReturn = true;
+ fAvailableCreditCached = false;
+ }
+ }
+ return fReturn;
+ }
+
+ void MarkDirty()
+ {
+ fCreditCached = false;
+ fAvailableCreditCached = false;
+ fDebitCached = false;
+ fChangeCached = false;
+ }
+
+ void MarkSpent(unsigned int nOut)
+ {
+ if (nOut >= vout.size())
+ throw runtime_error("CWalletTx::MarkSpent() : nOut out of range");
+ vfSpent.resize(vout.size());
+ if (!vfSpent[nOut])
+ {
+ vfSpent[nOut] = true;
+ fAvailableCreditCached = false;
+ }
+ }
+
+ bool IsSpent(unsigned int nOut) const
+ {
+ if (nOut >= vout.size())
+ throw runtime_error("CWalletTx::IsSpent() : nOut out of range");
+ if (nOut >= vfSpent.size())
+ return false;
+ return (!!vfSpent[nOut]);
+ }
+
+ int64 GetDebit() const
+ {
+ if (vin.empty())
+ return 0;
+ if (fDebitCached)
+ return nDebitCached;
+ nDebitCached = CTransaction::GetDebit();
+ fDebitCached = true;
+ return nDebitCached;
+ }
+
+ int64 GetCredit(bool fUseCache=true) const
+ {
+ // Must wait until coinbase is safely deep enough in the chain before valuing it
+ if (IsCoinBase() && GetBlocksToMaturity() > 0)
+ return 0;
+
+ // GetBalance can assume transactions in mapWallet won't change
+ if (fUseCache && fCreditCached)
+ return nCreditCached;
+ nCreditCached = CTransaction::GetCredit();
+ fCreditCached = true;
+ return nCreditCached;
+ }
+
+ int64 GetAvailableCredit(bool fUseCache=true) const
+ {
+ // Must wait until coinbase is safely deep enough in the chain before valuing it
+ if (IsCoinBase() && GetBlocksToMaturity() > 0)
+ return 0;
+
+ if (fUseCache && fAvailableCreditCached)
+ return nAvailableCreditCached;
+
+ int64 nCredit = 0;
+ for (int i = 0; i < vout.size(); i++)
+ {
+ if (!IsSpent(i))
+ {
+ const CTxOut &txout = vout[i];
+ nCredit += txout.GetCredit();
+ if (!MoneyRange(nCredit))
+ throw runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
+ }
+ }
+
+ nAvailableCreditCached = nCredit;
+ fAvailableCreditCached = true;
+ return nCredit;
+ }
+
+
+ int64 GetChange() const
+ {
+ if (fChangeCached)
+ return nChangeCached;
+ nChangeCached = CTransaction::GetChange();
+ fChangeCached = true;
+ return nChangeCached;
+ }
+
+ void GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, list<pair<string /* address */, int64> >& listReceived,
+ list<pair<string /* address */, int64> >& listSent, int64& nFee, string& strSentAccount) const;
+
+ void GetAccountAmounts(const string& strAccount, int64& nGenerated, int64& nReceived,
+ int64& nSent, int64& nFee) const;
+
+ bool IsFromMe() const
+ {
+ return (GetDebit() > 0);
+ }
+
+ bool IsConfirmed() const
+ {
+ // Quick answer in most cases
+ if (!IsFinal())
+ return false;
+ if (GetDepthInMainChain() >= 1)
+ return true;
+ if (!IsFromMe()) // using wtx's cached debit
+ return false;
+
+ // If no confirmations but it's from us, we can still
+ // consider it confirmed if all dependencies are confirmed
+ map<uint256, const CMerkleTx*> mapPrev;
+ vector<const CMerkleTx*> vWorkQueue;
+ vWorkQueue.reserve(vtxPrev.size()+1);
+ vWorkQueue.push_back(this);
+ for (int i = 0; i < vWorkQueue.size(); i++)
+ {
+ const CMerkleTx* ptx = vWorkQueue[i];
+
+ if (!ptx->IsFinal())
+ return false;
+ if (ptx->GetDepthInMainChain() >= 1)
+ return true;
+ if (!ptx->IsFromMe())
+ return false;
+
+ if (mapPrev.empty())
+ foreach(const CMerkleTx& tx, vtxPrev)
+ mapPrev[tx.GetHash()] = &tx;
+
+ foreach(const CTxIn& txin, ptx->vin)
+ {
+ if (!mapPrev.count(txin.prevout.hash))
+ return false;
+ vWorkQueue.push_back(mapPrev[txin.prevout.hash]);
+ }
+ }
+ return true;
+ }
+
bool WriteToDisk()
{
return CWalletDB().WriteTx(GetHash(), *this);
friend bool operator==(const CTxIndex& a, const CTxIndex& b)
{
- if (a.pos != b.pos || a.vSpent.size() != b.vSpent.size())
- return false;
- for (int i = 0; i < a.vSpent.size(); i++)
- if (a.vSpent[i] != b.vSpent[i])
- return false;
- return true;
+ return (a.pos == b.pos &&
+ a.vSpent == b.vSpent);
}
friend bool operator!=(const CTxIndex& a, const CTxIndex& b)
{
return !(a == b);
}
+ int GetDepthInMainChain() const;
};
return Hash(BEGIN(nVersion), END(nNonce));
}
+ int64 GetBlockTime() const
+ {
+ return (int64)nTime;
+ }
+
+ int GetSigOpCount() const
+ {
+ int n = 0;
+ foreach(const CTransaction& tx, vtx)
+ n += tx.GetSigOpCount();
+ return n;
+ }
+
uint256 BuildMerkleTree() const
{
}
- bool WriteToDisk(bool fWriteTransactions, unsigned int& nFileRet, unsigned int& nBlockPosRet)
+ bool WriteToDisk(unsigned int& nFileRet, unsigned int& nBlockPosRet)
{
// Open history file to append
CAutoFile fileout = AppendBlockFile(nFileRet);
if (!fileout)
return error("CBlock::WriteToDisk() : AppendBlockFile failed");
- if (!fWriteTransactions)
- fileout.nType |= SER_BLOCKHEADERONLY;
// Write index header
unsigned int nSize = fileout.GetSerializeSize(*this);
filein >> *this;
// Check the header
- if (CBigNum().SetCompact(nBits) > bnProofOfWorkLimit)
- return error("CBlock::ReadFromDisk() : nBits errors in block header");
- if (GetHash() > CBigNum().SetCompact(nBits).getuint256())
- return error("CBlock::ReadFromDisk() : GetHash() errors in block header");
+ if (!CheckProofOfWork(GetHash(), nBits))
+ return error("CBlock::ReadFromDisk() : errors in block header");
return true;
}
void print() const
{
printf("CBlock(hash=%s, ver=%d, hashPrevBlock=%s, hashMerkleRoot=%s, nTime=%u, nBits=%08x, nNonce=%u, vtx=%d)\n",
- GetHash().ToString().substr(0,16).c_str(),
+ GetHash().ToString().substr(0,20).c_str(),
nVersion,
- hashPrevBlock.ToString().substr(0,16).c_str(),
- hashMerkleRoot.ToString().substr(0,6).c_str(),
+ hashPrevBlock.ToString().substr(0,20).c_str(),
+ hashMerkleRoot.ToString().substr(0,10).c_str(),
nTime, nBits, nNonce,
vtx.size());
for (int i = 0; i < vtx.size(); i++)
}
printf(" vMerkleTree: ");
for (int i = 0; i < vMerkleTree.size(); i++)
- printf("%s ", vMerkleTree[i].ToString().substr(0,6).c_str());
+ printf("%s ", vMerkleTree[i].ToString().substr(0,10).c_str());
printf("\n");
}
- int64 GetBlockValue(int nHeight, int64 nFees) const;
bool DisconnectBlock(CTxDB& txdb, CBlockIndex* pindex);
bool ConnectBlock(CTxDB& txdb, CBlockIndex* pindex);
- bool ReadFromDisk(const CBlockIndex* blockindex, bool fReadTransactions=true);
+ 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 AcceptBlock();
nNonce = block.nNonce;
}
+ CBlock GetBlockHeader() const
+ {
+ CBlock block;
+ block.nVersion = nVersion;
+ if (pprev)
+ block.hashPrevBlock = pprev->GetBlockHash();
+ block.hashMerkleRoot = hashMerkleRoot;
+ block.nTime = nTime;
+ block.nBits = nBits;
+ block.nNonce = nNonce;
+ return block;
+ }
+
uint256 GetBlockHash() const
{
return *phashBlock;
}
+ int64 GetBlockTime() const
+ {
+ return (int64)nTime;
+ }
+
CBigNum GetBlockWork() const
{
- return (CBigNum(1)<<256) / (CBigNum().SetCompact(nBits)+1);
+ CBigNum bnTarget;
+ bnTarget.SetCompact(nBits);
+ if (bnTarget <= 0)
+ return 0;
+ return (CBigNum(1)<<256) / (bnTarget+1);
}
bool IsInMainChain() const
return (pnext || this == pindexBest);
}
+ bool CheckIndex() const
+ {
+ return CheckProofOfWork(GetBlockHash(), nBits);
+ }
+
bool EraseBlockFromDisk()
{
// Open history file
int64 GetMedianTimePast() const
{
- unsigned int pmedian[nMedianTimeSpan];
- unsigned int* pbegin = &pmedian[nMedianTimeSpan];
- unsigned int* pend = &pmedian[nMedianTimeSpan];
+ int64 pmedian[nMedianTimeSpan];
+ int64* pbegin = &pmedian[nMedianTimeSpan];
+ int64* pend = &pmedian[nMedianTimeSpan];
const CBlockIndex* pindex = this;
for (int i = 0; i < nMedianTimeSpan && pindex; i++, pindex = pindex->pprev)
- *(--pbegin) = pindex->nTime;
+ *(--pbegin) = pindex->GetBlockTime();
sort(pbegin, pend);
return pbegin[(pend - pbegin)/2];
for (int i = 0; i < nMedianTimeSpan/2; i++)
{
if (!pindex->pnext)
- return nTime;
+ return GetBlockTime();
pindex = pindex->pnext;
}
return pindex->GetMedianTimePast();
{
return strprintf("CBlockIndex(nprev=%08x, pnext=%08x, nFile=%d, nBlockPos=%-6d nHeight=%d, merkle=%s, hashBlock=%s)",
pprev, pnext, nFile, nBlockPos, nHeight,
- hashMerkleRoot.ToString().substr(0,6).c_str(),
- GetBlockHash().ToString().substr(0,16).c_str());
+ hashMerkleRoot.ToString().substr(0,10).c_str(),
+ GetBlockHash().ToString().substr(0,20).c_str());
}
void print() const
str += CBlockIndex::ToString();
str += strprintf("\n hashBlock=%s, hashPrev=%s, hashNext=%s)",
GetBlockHash().ToString().c_str(),
- hashPrev.ToString().substr(0,16).c_str(),
- hashNext.ToString().substr(0,16).c_str());
+ hashPrev.ToString().substr(0,20).c_str(),
+ hashNext.ToString().substr(0,20).c_str());
return str;
}
READWRITE(vHave);
)
+ void SetNull()
+ {
+ vHave.clear();
+ }
+
+ bool IsNull()
+ {
+ return vHave.empty();
+ }
+
void Set(const CBlockIndex* pindex)
{
vHave.clear();
//// todo: add something to note what created it (user, getnewaddress, change)
//// maybe should have a map<string, string> property map
- CWalletKey(int64 nTimeExpiresIn=0)
+ CWalletKey(int64 nExpires=0)
{
- nTimeCreated = (nTimeExpiresIn ? GetTime() : 0);
- nTimeExpires = nTimeExpiresIn;
+ nTimeCreated = (nExpires ? GetTime() : 0);
+ nTimeExpires = nExpires;
}
IMPLEMENT_SERIALIZE
+//
+// Account information.
+// Stored in wallet with key "acc"+string account name
+//
+class CAccount
+{
+public:
+ vector<unsigned char> vchPubKey;
+
+ CAccount()
+ {
+ SetNull();
+ }
+
+ void SetNull()
+ {
+ vchPubKey.clear();
+ }
+
+ IMPLEMENT_SERIALIZE
+ (
+ if (!(nType & SER_GETHASH))
+ READWRITE(nVersion);
+ READWRITE(vchPubKey);
+ )
+};
+
+
+
+//
+// Internal transfers.
+// Database key is acentry<account><counter>
+//
+class CAccountingEntry
+{
+public:
+ string strAccount;
+ int64 nCreditDebit;
+ int64 nTime;
+ string strOtherAccount;
+ string strComment;
+
+ CAccountingEntry()
+ {
+ SetNull();
+ }
+
+ void SetNull()
+ {
+ nCreditDebit = 0;
+ nTime = 0;
+ strAccount.clear();
+ strOtherAccount.clear();
+ strComment.clear();
+ }
+
+ IMPLEMENT_SERIALIZE
+ (
+ if (!(nType & SER_GETHASH))
+ READWRITE(nVersion);
+ // Note: strAccount is serialized as part of the key, not here.
+ READWRITE(nCreditDebit);
+ READWRITE(nTime);
+ READWRITE(strOtherAccount);
+ READWRITE(strComment);
+ )
+};
+
+
+
+
+
+
+
+
+
+//
+// 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;
+ set<int> setCancel;
+ int nMinVer; // lowest version inclusive
+ int nMaxVer; // highest version inclusive
+ set<string> setSubVer; // empty matches all
+ int nPriority;
+
+ // Actions
+ string strComment;
+ string strStatusBar;
+ 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();
+ }
+
+ string ToString() const
+ {
+ string strSetCancel;
+ foreach(int n, setCancel)
+ strSetCancel += strprintf("%d ", n);
+ string strSetSubVer;
+ foreach(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());
+ }
+};
+
+class CAlert : public CUnsignedAlert
+{
+public:
+ vector<unsigned char> vchMsg;
+ 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, 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("04fc9702847840aaf195de8442ebecedf5b095cdbb9bc716bda9110971b28a49e0ead8564ff0db22209e0374782c093bb899692d524e9d6a6956e7c5ecbcd68284")))
+ 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 map<uint256, CTransaction> mapTransactions;
extern map<uint256, CWalletTx> mapWallet;
extern vector<uint256> vWalletUpdated;
git://git.novaco.in / novacoin.git / blobdiff