X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fmain.h;h=1d46851ac2fa766f9e9002e169b29e08b598eac1;hb=a20c0d0f6792acf532309eee2e9f29120c801ee4;hp=6f71fd20046ba8c1918e93b7686c90fc9ede95d9;hpb=922e8e2929a2e78270868385aa46f96002fbcff3;p=novacoin.git diff --git a/src/main.h b/src/main.h index 6f71fd2..1d46851 100644 --- a/src/main.h +++ b/src/main.h @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2011 The Bitcoin developers +// 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. #ifndef BITCOIN_MAIN_H @@ -10,6 +10,11 @@ #include "key.h" #include "script.h" #include "db.h" +#include "version.h" + +#ifdef WIN32 +#include /* for _commit */ +#endif #include @@ -26,13 +31,10 @@ class CInv; class CRequestTracker; class CNode; -static const int CLIENT_VERSION = 59900; -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; 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 = 50000; @@ -49,6 +51,9 @@ static const int fHaveUPnP = false; #endif +extern CScript COINBASE_FLAGS; + + @@ -66,6 +71,7 @@ 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; @@ -73,13 +79,7 @@ extern CCriticalSection cs_setpwalletRegistered; extern std::set setpwalletRegistered; // Settings -extern int fGenerateBitcoins; extern int64 nTransactionFee; -extern int fLimitProcessors; -extern int nLimitProcessors; -extern int fMinimizeToTray; -extern int fMinimizeOnClose; -extern int fUseUPnP; @@ -123,21 +123,7 @@ 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; -} - - +/** Position on disk for a particular transaction. */ class CDiskTxPos { public: @@ -176,7 +162,7 @@ public: std::string ToString() const { if (IsNull()) - return strprintf("null"); + return "null"; else return strprintf("(nFile=%d, nBlockPos=%d, nTxPos=%d)", nFile, nBlockPos, nTxPos); } @@ -189,7 +175,7 @@ public: - +/** An inpoint - a combination of a transaction and an index n into its vin */ class CInPoint { public: @@ -204,7 +190,7 @@ public: - +/** An outpoint - a combination of a transaction hash and an index n into its vout */ class COutPoint { public: @@ -246,11 +232,10 @@ 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: @@ -304,7 +289,7 @@ public: std::string ToString() const { std::string str; - str += strprintf("CTxIn("); + str += "CTxIn("; str += prevout.ToString(); if (prevout.IsNull()) str += strprintf(", coinbase %s", HexStr(scriptSig).c_str()); @@ -325,10 +310,9 @@ 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: @@ -402,10 +386,11 @@ enum GetMinFee_mode GMF_SEND, }; -// -// The basic transaction that is broadcasted on the network and contained in -// blocks. A transaction can contain multiple inputs and outputs. -// +typedef std::map > 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: @@ -502,11 +487,35 @@ public: return (vin.size() == 1 && vin[0].prevout.IsNull()); } + /** Check for standard transaction types + @return True if all outputs (scriptPubKeys) use only standard transaction forms + */ bool IsStandard() const; - bool AreInputsStandard(const std::map >& mapInputs) 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. + + @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; + + /** Amount of bitcoins spent by this transaction. + @return sum of all outputs (note: does not include fees) + */ int64 GetValueOut() const { int64 nValueOut = 0; @@ -519,6 +528,16 @@ 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] 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) { // Large (in bytes) low-priority (new, small-coin) transactions @@ -634,17 +653,41 @@ public: bool ReadFromDisk(COutPoint prevout); bool DisconnectInputs(CTxDB& txdb); - // Fetch from memory and/or disk. inputsRet keys are transaction hashes. + /** 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, std::map >& inputsRet); - bool ConnectInputs(std::map > inputs, + 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] 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 + @return Returns true if all checks succeed + */ + bool ConnectInputs(MapPrevTx inputs, std::map& mapTestPool, const CDiskTxPos& posThisTx, - const CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int& nSigOpsRet, int64 nMinFee=0); + 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); + protected: + const CTxOut& GetOutputFor(const CTxIn& input, const MapPrevTx& inputs) const; bool AddToMemoryPoolUnchecked(); public: bool RemoveFromMemoryPool(); @@ -654,9 +697,7 @@ 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: @@ -708,11 +749,10 @@ 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: @@ -767,17 +807,16 @@ public: -// -// 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: @@ -849,6 +888,7 @@ public: return (int64)nTime; } + void UpdateTime(const CBlockIndex* pindexPrev); uint256 BuildMerkleTree() const @@ -984,6 +1024,9 @@ public: bool AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos); bool CheckBlock() const; bool AcceptBlock(); + +private: + bool SetBestChainInner(CTxDB& txdb, CBlockIndex *pindexNew); }; @@ -991,14 +1034,13 @@ 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: @@ -1155,9 +1197,7 @@ public: -// -// Used to marshal pointers into hashes for db storage. -// +/** Used to marshal pointers into hashes for db storage. */ class CDiskBlockIndex : public CBlockIndex { public: @@ -1232,11 +1272,10 @@ 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: @@ -1368,13 +1407,12 @@ 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: @@ -1474,6 +1512,7 @@ public: } }; +/** An alert is a combination of a serialized CUnsignedAlert and a signature. */ class CAlert : public CUnsignedAlert { public: