X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fmain.h;h=21bb4c8a0bc7f798886227184c661b352bfd40be;hb=3b36da6d277c6f5ad671343e724e0336ce55c893;hp=8d9b39f7182d186be0fd85a0c01dee32a3565c24;hpb=ba4081c1fcaddf361abd61b2721994eff5475bb3;p=novacoin.git diff --git a/src/main.h b/src/main.h index 8d9b39f..21bb4c8 100644 --- a/src/main.h +++ b/src/main.h @@ -1,39 +1,45 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto +// 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 "bignum.h" #include "net.h" #include "key.h" -#include "db.h" #include "script.h" +#include "db.h" #include -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 CAddress; +class CInv; +class CRequestTracker; +class CNode; +class CBlockIndex; 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 int MAX_ORPHAN_TRANSACTIONS = MAX_BLOCK_SIZE/100; static const int64 COIN = 100000000; static const int64 CENT = 1000000; -static const int64 MIN_TX_FEE = CENT; -static const int64 MIN_RELAY_TX_FEE = 50000; +static const int64 MIN_TX_FEE = 50000; +static const int64 MIN_RELAY_TX_FEE = 10000; static const int64 MAX_MONEY = 21000000 * 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 @@ -48,7 +54,6 @@ static const int fHaveUPnP = false; extern CCriticalSection cs_main; extern std::map mapBlockIndex; extern uint256 hashGenesisBlock; -extern CBigNum bnProofOfWorkLimit; extern CBlockIndex* pindexGenesisBlock; extern int nBestHeight; extern CBigNum bnBestChainWork; @@ -56,18 +61,15 @@ extern CBigNum bnBestInvalidWork; extern uint256 hashBestChain; extern CBlockIndex* pindexBest; extern unsigned int nTransactionsUpdated; -extern std::map mapRequestCount; -extern CCriticalSection cs_mapRequestCount; -extern std::map mapAddressBook; -extern CCriticalSection cs_mapAddressBook; -extern std::vector vchDefaultKey; extern double dHashesPerSec; extern int64 nHPSTimerStart; +extern int64 nTimeBestReceived; +extern CCriticalSection cs_setpwalletRegistered; +extern std::set setpwalletRegistered; // Settings extern int fGenerateBitcoins; extern int64 nTransactionFee; -extern CAddress addrIncoming; extern int fLimitProcessors; extern int nLimitProcessors; extern int fMinimizeToTray; @@ -78,37 +80,28 @@ extern int fUseUPnP; +class CReserveKey; +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 AddKey(const CKey& key); -std::vector GenerateNewKey(); -bool AddToWallet(const CWalletTx& wtxIn); -void WalletUpdateSpent(const COutPoint& prevout); -int ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false); -void ReacceptWalletTransactions(); 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); -int64 GetBalance(); -bool CreateTransaction(const std::vector >& 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); -std::string SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false); -std::string SendMoneyToBitcoinAddress(std::string strAddress, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false); -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); @@ -123,6 +116,23 @@ std::string GetWarnings(std::string strFor); +bool GetWalletFile(CWallet* pwallet, std::string &strWalletFileOut); + +template +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: @@ -305,9 +315,6 @@ public: { printf("%s\n", ToString().c_str()); } - - bool IsMine() const; - int64 GetDebit() const; }; @@ -356,36 +363,6 @@ public: 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 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 && @@ -411,6 +388,7 @@ public: }; +typedef std::map > MapPrevTx; // @@ -425,6 +403,9 @@ public: std::vector vout; unsigned int nLockTime; + // Denial-of-service detection: + mutable int nDoS; + bool DoS(int nDoSIn, bool fIn) const { nDoS += nDoSIn; return fIn; } CTransaction() { @@ -446,6 +427,7 @@ public: vin.clear(); vout.clear(); nLockTime = 0; + nDoS = 0; // Denial-of-service prevention } bool IsNull() const @@ -467,7 +449,7 @@ public: 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()) @@ -479,13 +461,13 @@ public: { 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++) + for (unsigned int i = 0; i < vin.size(); i++) { if (vin[i].nSequence != old.vin[i].nSequence) { @@ -519,6 +501,15 @@ public: return n; } + /** Count ECDSA signature operations in pay-to-script-hash inputs. + This is a better measure of how expensive it is to process this transaction. + + @param[in] mapInputsMap of previous transactions that have outputs we're spending + @return maximum number of sigops required to validate this transaction's inputs + @see CTransaction::FetchInputs + */ + int GetP2SHSigOpCount(const MapPrevTx& mapInputs) const; + bool IsStandard() const { BOOST_FOREACH(const CTxIn& txin, vin) @@ -530,57 +521,6 @@ public: 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; @@ -593,6 +533,16 @@ public: 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] mapInputsMap of previous transactions that have outputs we're spending + @returnSum of value of all inputs (scriptSigs) + @see CTransaction::FetchInputs + */ + int64 GetValueIn(const MapPrevTx& mapInputs) const; + static bool AllowFree(double dPriority) { // Large (in bytes) low-priority (new, small-coin) transactions @@ -628,9 +578,11 @@ public: // 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) @@ -655,7 +607,13 @@ public: // 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) { + return error("%s() : deserialize or I/O error", __PRETTY_FUNCTION__); + } // Return file pointer if (pfileRet) @@ -690,9 +648,9 @@ public: 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; } @@ -707,17 +665,41 @@ public: bool ReadFromDisk(CTxDB& txdb, COutPoint prevout); bool ReadFromDisk(COutPoint prevout); bool DisconnectInputs(CTxDB& txdb); - bool ConnectInputs(CTxDB& txdb, std::map& 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& 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] inputsPrevious transactions (from FetchInputs) + @param[out] mapTestPoolKeeps track of inputs that need to be updated on disk + @param[in] posThisTxPosition 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] fStrictPayToScriptHash true if fully validating p2sh transactions + @return Returns true if all checks succeed + */ + bool ConnectInputs(MapPrevTx inputs, + std::map& mapTestPool, const CDiskTxPos& posThisTx, + const CBlockIndex* pindexBlock, bool fBlock, bool fMiner, bool fStrictPayToScriptHash=true); bool ClientConnectInputs(); 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 AcceptToMemoryPool(txdb, fCheckInputs, pfMissingInputs); - } + bool AcceptToMemoryPool(bool fCheckInputs=true, bool* pfMissingInputs=NULL); protected: + const CTxOut& GetOutputFor(const CTxIn& input, const MapPrevTx& inputs) const; bool AddToMemoryPoolUnchecked(); public: bool RemoveFromMemoryPool(); @@ -775,307 +757,7 @@ public: bool IsInMainChain() const { return GetDepthInMainChain() > 0; } int GetBlocksToMaturity() const; bool AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs=true); - bool AcceptToMemoryPool() { CTxDB txdb("r"); return AcceptToMemoryPool(txdb); } -}; - - - - -// -// A transaction with a bunch of additional info that only the owner cares -// about. It includes any unrecorded transactions needed to link it back -// to the block chain. -// -class CWalletTx : public CMerkleTx -{ -public: - std::vector vtxPrev; - std::map mapValue; - std::vector > vOrderForm; - unsigned int fTimeReceivedIsTxTime; - unsigned int nTimeReceived; // time received by this node - char fFromMe; - std::string strFromAccount; - std::vector 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() - { - Init(); - } - - CWalletTx(const CMerkleTx& txIn) : CMerkleTx(txIn) - { - Init(); - } - - CWalletTx(const CTransaction& txIn) : CMerkleTx(txIn) - { - Init(); - } - - void Init() - { - vtxPrev.clear(); - mapValue.clear(); - vOrderForm.clear(); - fTimeReceivedIsTxTime = false; - nTimeReceived = 0; - fFromMe = 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 - ( - CWalletTx* pthis = const_cast(this); - if (fRead) - pthis->Init(); - char fSpent = false; - - if (!fRead) - { - pthis->mapValue["fromaccount"] = pthis->strFromAccount; - - std::string str; - BOOST_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(fTimeReceivedIsTxTime); - READWRITE(nTimeReceived); - READWRITE(fFromMe); - READWRITE(fSpent); - - if (fRead) - { - pthis->strFromAccount = pthis->mapValue["fromaccount"]; - - if (mapValue.count("spent")) - BOOST_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 std::vector& 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 std::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 std::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 std::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, std::list >& listReceived, - std::list >& listSent, int64& nFee, std::string& strSentAccount) const; - - void GetAccountAmounts(const std::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 - std::map mapPrev; - std::vector 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) - continue; - if (!ptx->IsFromMe()) - return false; - - if (mapPrev.empty()) - BOOST_FOREACH(const CMerkleTx& tx, vtxPrev) - mapPrev[tx.GetHash()] = &tx; - - BOOST_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); - } - - - int64 GetTxTime() const; - int GetRequestCount() const; - - void AddSupportingTransactions(CTxDB& txdb); - - bool AcceptWalletTransaction(CTxDB& txdb, bool fCheckInputs=true); - bool AcceptWalletTransaction() { CTxDB txdb("r"); return AcceptWalletTransaction(txdb); } - - void RelayWalletTransaction(CTxDB& txdb); - void RelayWalletTransaction() { CTxDB txdb("r"); RelayWalletTransaction(txdb); } + bool AcceptToMemoryPool(); }; @@ -1167,6 +849,9 @@ public: // memory only mutable std::vector vMerkleTree; + // Denial-of-service detection: + mutable int nDoS; + bool DoS(int nDoSIn, bool fIn) const { nDoS += nDoSIn; return fIn; } CBlock() { @@ -1200,6 +885,7 @@ public: nNonce = 0; vtx.clear(); vMerkleTree.clear(); + nDoS = 0; } bool IsNull() const @@ -1225,6 +911,8 @@ public: return n; } + void UpdateTime(const CBlockIndex* pindexPrev); + uint256 BuildMerkleTree() const { @@ -1289,16 +977,17 @@ public: 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 __WXMSW__ +#ifdef WIN32 _commit(_fileno(fileout)); #else fsync(fileno(fileout)); @@ -1320,7 +1009,12 @@ public: filein.nType |= SER_BLOCKHEADERONLY; // Read block - filein >> *this; + try { + filein >> *this; + } + catch (std::exception &e) { + return error("%s() : deserialize or I/O error", __PRETTY_FUNCTION__); + } // Check the header if (!CheckProofOfWork(GetHash(), nBits)) @@ -1340,13 +1034,13 @@ public: hashMerkleRoot.ToString().substr(0,10).c_str(), nTime, nBits, nNonce, vtx.size()); - 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"); } @@ -1735,114 +1429,6 @@ public: -// -// Private key that includes an expiration date in case it never gets used. -// -class CWalletKey -{ -public: - CPrivKey vchPrivKey; - int64 nTimeCreated; - int64 nTimeExpires; - std::string strComment; - //// todo: add something to note what created it (user, getnewaddress, change) - //// maybe should have a map property map - - CWalletKey(int64 nExpires=0) - { - nTimeCreated = (nExpires ? GetTime() : 0); - nTimeExpires = nExpires; - } - - IMPLEMENT_SERIALIZE - ( - if (!(nType & SER_GETHASH)) - READWRITE(nVersion); - READWRITE(vchPrivKey); - READWRITE(nTimeCreated); - READWRITE(nTimeExpires); - READWRITE(strComment); - ) -}; - - - - - - -// -// Account information. -// Stored in wallet with key "acc"+string account name -// -class CAccount -{ -public: - std::vector vchPubKey; - - CAccount() - { - SetNull(); - } - - void SetNull() - { - vchPubKey.clear(); - } - - IMPLEMENT_SERIALIZE - ( - if (!(nType & SER_GETHASH)) - READWRITE(nVersion); - READWRITE(vchPubKey); - ) -}; - - - -// -// Internal transfers. -// Database key is acentry -// -class CAccountingEntry -{ -public: - std::string strAccount; - int64 nCreditDebit; - int64 nTime; - std::string strOtherAccount; - std::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); - ) -}; - - - - - - @@ -2045,22 +1631,4 @@ public: bool ProcessAlert(); }; - - - - - - - - - -extern std::map mapTransactions; -extern std::map mapWallet; -extern std::vector vWalletUpdated; -extern CCriticalSection cs_mapWallet; -extern std::map, CPrivKey> mapKeys; -extern std::map > mapPubKeys; -extern CCriticalSection cs_mapKeys; -extern CKey keyUser; - #endif