diff options
Diffstat (limited to 'src/main.h')
| -rw-r--r-- | src/main.h | 241 |
1 files changed, 115 insertions, 126 deletions
diff --git a/src/main.h b/src/main.h index b7d47cfdfd..99b55528ae 100644 --- a/src/main.h +++ b/src/main.h @@ -25,7 +25,10 @@ class CAddress; class CInv; class CRequestTracker; class CNode; -class CBlockIndex; + +static const int CLIENT_VERSION = 60010; +static const bool VERSION_IS_BETA = true; +extern const std::string CLIENT_NAME; static const unsigned int MAX_BLOCK_SIZE = 1000000; static const unsigned int MAX_BLOCK_SIZE_GEN = MAX_BLOCK_SIZE/2; @@ -47,6 +50,9 @@ static const int fHaveUPnP = false; #endif +extern CScript COINBASE_FLAGS; + + @@ -60,7 +66,11 @@ extern CBigNum bnBestChainWork; extern CBigNum bnBestInvalidWork; extern uint256 hashBestChain; extern CBlockIndex* pindexBest; +extern uint64 nPooledTx; extern unsigned int nTransactionsUpdated; +extern uint64 nLastBlockTx; +extern uint64 nLastBlockSize; +extern const std::string strMessageMagic; extern double dHashesPerSec; extern int64 nHPSTimerStart; extern int64 nTimeBestReceived; @@ -68,13 +78,7 @@ extern CCriticalSection cs_setpwalletRegistered; extern std::set<CWallet*> setpwalletRegistered; // Settings -extern int fGenerateBitcoins; extern int64 nTransactionFee; -extern int fLimitProcessors; -extern int nLimitProcessors; -extern int fMinimizeToTray; -extern int fMinimizeOnClose; -extern int fUseUPnP; @@ -118,21 +122,7 @@ 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; -} - - +/** Position on disk for a particular transaction. */ class CDiskTxPos { public: @@ -184,7 +174,7 @@ public: - +/** An inpoint - a combination of a transaction and an index n into its vin */ class CInPoint { public: @@ -199,7 +189,7 @@ public: - +/** An outpoint - a combination of a transaction hash and an index n into its vout */ class COutPoint { public: @@ -241,11 +231,10 @@ public: -// -// 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: @@ -320,10 +309,9 @@ public: -// -// 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: @@ -388,13 +376,20 @@ public: }; -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. -// +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: @@ -492,36 +487,35 @@ public: return (vin.size() == 1 && vin[0].prevout.IsNull()); } - 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; - } + /** Check for standard transaction types + @return True if all outputs (scriptPubKeys) use only standard transaction forms + */ + bool IsStandard() 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 + */ + int GetLegacySigOpCount() const; /** 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 + @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 - */ + */ int GetP2SHSigOpCount(const MapPrevTx& mapInputs) const; - bool IsStandard() const - { - BOOST_FOREACH(const CTxIn& txin, vin) - if (txin.scriptSig.size() > 200 || !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; - } - + /** Amount of bitcoins spent by this transaction. + @return sum of all outputs (note: does not include fees) + */ int64 GetValueOut() const { int64 nValueOut = 0; @@ -538,10 +532,10 @@ public: 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) + @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 GetValueIn(const MapPrevTx& mapInputs) const; static bool AllowFree(double dPriority) @@ -551,10 +545,10 @@ public: return dPriority > COIN * 144 / 250; } - int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=true, bool fForRelay=false) const + int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=true, enum GetMinFee_mode mode=GMF_BLOCK) const { // Base fee is either MIN_TX_FEE or MIN_RELAY_TX_FEE - int64 nBaseFee = fForRelay ? MIN_RELAY_TX_FEE : MIN_TX_FEE; + int64 nBaseFee = (mode == GMF_RELAY) ? MIN_RELAY_TX_FEE : MIN_TX_FEE; unsigned int nBytes = ::GetSerializeSize(*this, SER_NETWORK); unsigned int nNewBlockSize = nBlockSize + nBytes; @@ -683,15 +677,15 @@ public: /** 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] 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] fStrictPayToScriptHash true if fully validating p2sh transactions + @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<uint256, CTxIndex>& mapTestPool, const CDiskTxPos& posThisTx, const CBlockIndex* pindexBlock, bool fBlock, bool fMiner, bool fStrictPayToScriptHash=true); @@ -699,6 +693,7 @@ public: bool CheckTransaction() const; bool AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs=true, bool* pfMissingInputs=NULL); bool AcceptToMemoryPool(bool fCheckInputs=true, bool* pfMissingInputs=NULL); + protected: const CTxOut& GetOutputFor(const CTxIn& input, const MapPrevTx& inputs) const; bool AddToMemoryPoolUnchecked(); @@ -710,9 +705,7 @@ public: -// -// 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: @@ -753,8 +746,8 @@ public: 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); @@ -764,11 +757,10 @@ public: -// -// 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: @@ -816,23 +808,23 @@ 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: @@ -905,14 +897,6 @@ public: return (int64)nTime; } - int GetSigOpCount() const - { - int n = 0; - BOOST_FOREACH(const CTransaction& tx, vtx) - n += tx.GetSigOpCount(); - return n; - } - void UpdateTime(const CBlockIndex* pindexPrev); @@ -1055,6 +1039,9 @@ public: bool AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos); bool CheckBlock() const; bool AcceptBlock(); + +private: + bool SetBestChainInner(CTxDB& txdb, CBlockIndex *pindexNew); }; @@ -1062,14 +1049,13 @@ public: -// -// 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: @@ -1232,9 +1218,7 @@ public: -// -// Used to marshal pointers into hashes for db storage. -// +/** Used to marshal pointers into hashes for db storage. */ class CDiskBlockIndex : public CBlockIndex { public: @@ -1309,11 +1293,10 @@ public: -// -// 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: @@ -1336,6 +1319,11 @@ public: Set((*mi).second); } + CBlockLocator(const std::vector<uint256>& vHaveIn) + { + vHave = vHaveIn; + } + IMPLEMENT_SERIALIZE ( if (!(nType & SER_GETHASH)) @@ -1440,13 +1428,12 @@ public: -// -// 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. -// +/** 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: @@ -1546,6 +1533,7 @@ public: } }; +/** An alert is a combination of a serialized CUnsignedAlert and a signature. */ class CAlert : public CUnsignedAlert { public: @@ -1594,6 +1582,7 @@ public: 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))); @@ -1601,7 +1590,7 @@ public: bool AppliesToMe() const { - return AppliesTo(VERSION, ::pszSubVer); + return AppliesTo(PROTOCOL_VERSION, FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, std::vector<std::string>())); } bool RelayTo(CNode* pnode) const |