diff options
Diffstat (limited to 'src/main.h')
| -rw-r--r-- | src/main.h | 84 |
1 files changed, 65 insertions, 19 deletions
diff --git a/src/main.h b/src/main.h index 19623f4d96..5ba2be251c 100644 --- a/src/main.h +++ b/src/main.h @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2014 The Bitcoin Core developers +// Copyright (c) 2009-2015 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -42,10 +42,18 @@ struct CNodeStateStats; /** Default for accepting alerts from the P2P network. */ static const bool DEFAULT_ALERTS = true; -/** Default for DEFAULT_WHITELISTALWAYSRELAY. */ -static const bool DEFAULT_WHITELISTALWAYSRELAY = true; +/** Default for DEFAULT_WHITELISTRELAY. */ +static const bool DEFAULT_WHITELISTRELAY = true; +/** Default for DEFAULT_WHITELISTFORCERELAY. */ +static const bool DEFAULT_WHITELISTFORCERELAY = true; /** Default for -minrelaytxfee, minimum relay fee for transactions */ static const unsigned int DEFAULT_MIN_RELAY_TX_FEE = 1000; +//! -maxtxfee default +static const CAmount DEFAULT_TRANSACTION_MAXFEE = 0.1 * COIN; +//! Discourage users to set fees higher than this amount (in satoshis) per kB +static const CAmount HIGH_TX_FEE_PER_KB = 0.01 * COIN; +//! -maxtxfee will warn if called with a higher fee than this amount (in satoshis) +static const CAmount HIGH_MAX_TX_FEE = 100 * HIGH_TX_FEE_PER_KB; /** Default for -maxorphantx, maximum number of orphan transactions kept in memory */ static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100; /** Default for -limitancestorcount, max number of in-mempool ancestors */ @@ -87,20 +95,35 @@ static const unsigned int DATABASE_WRITE_INTERVAL = 60 * 60; static const unsigned int DATABASE_FLUSH_INTERVAL = 24 * 60 * 60; /** Maximum length of reject messages. */ static const unsigned int MAX_REJECT_MESSAGE_LENGTH = 111; +/** Average delay between local address broadcasts in seconds. */ +static const unsigned int AVG_LOCAL_ADDRESS_BROADCAST_INTERVAL = 24 * 24 * 60; +/** Average delay between peer address broadcasts in seconds. */ +static const unsigned int AVG_ADDRESS_BROADCAST_INTERVAL = 30; +/** Average delay between trickled inventory broadcasts in seconds. + * Blocks, whitelisted receivers, and a random 25% of transactions bypass this. */ +static const unsigned int AVG_INVENTORY_BROADCAST_INTERVAL = 5; + static const unsigned int DEFAULT_LIMITFREERELAY = 15; static const bool DEFAULT_RELAYPRIORITY = true; +static const int64_t DEFAULT_MAX_TIP_AGE = 24 * 60 * 60; /** Default for -permitbaremultisig */ static const bool DEFAULT_PERMIT_BAREMULTISIG = true; +static const unsigned int DEFAULT_BYTES_PER_SIGOP = 20; static const bool DEFAULT_CHECKPOINTS_ENABLED = true; static const bool DEFAULT_TXINDEX = false; static const unsigned int DEFAULT_BANSCORE_THRESHOLD = 100; static const bool DEFAULT_TESTSAFEMODE = false; +/** Default for -mempoolreplacement */ +static const bool DEFAULT_ENABLE_REPLACEMENT = true; /** Maximum number of headers to announce when relaying blocks with headers message.*/ static const unsigned int MAX_BLOCKS_TO_ANNOUNCE = 8; +static const bool DEFAULT_PEERBLOOMFILTERS = true; +static const bool DEFAULT_ENFORCENODEBLOOM = false; + struct BlockHasher { size_t operator()(const uint256& hash) const { return hash.GetCheapHash(); } @@ -122,11 +145,18 @@ extern int nScriptCheckThreads; extern bool fTxIndex; extern bool fIsBareMultisigStd; extern bool fRequireStandard; +extern unsigned int nBytesPerSigOp; extern bool fCheckBlockIndex; extern bool fCheckpointsEnabled; extern size_t nCoinCacheUsage; +/** A fee rate smaller than this is considered zero fee (for relaying, mining and transaction creation) */ extern CFeeRate minRelayTxFee; +/** Absolute maximum transaction fee (in satoshis) used by wallet and mempool (rejects high fee in sendrawtransaction) */ +extern CAmount maxTxFee; extern bool fAlerts; +/** If the tip is older than this (in seconds), the node is considered to be in initial block download. */ +extern int64_t nMaxTipAge; +extern bool fEnableReplacement; /** Best header we've seen so far (used for getheaders queries' starting points). */ extern CBlockIndex *pindexBestHeader; @@ -197,9 +227,8 @@ bool ProcessMessages(CNode* pfrom); * Send queued protocol messages to be sent to a give node. * * @param[in] pto The node which we are sending messages to. - * @param[in] fSendTrickle When true send the trickled data, otherwise trickle the data until true. */ -bool SendMessages(CNode* pto, bool fSendTrickle); +bool SendMessages(CNode* pto); /** Run an instance of the script checking thread */ void ThreadScriptCheck(); /** Try to detect Partition (network isolation) attacks against us */ @@ -255,7 +284,7 @@ void PruneAndFlush(); /** (try to) add transaction to memory pool **/ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransaction &tx, bool fLimitFree, - bool* pfMissingInputs, bool fOverrideMempoolLimit=false, bool fRejectAbsurdFee=false); + bool* pfMissingInputs, bool fOverrideMempoolLimit=false, const CAmount nAbsurdFee=0); /** Convert CValidationState to a human-readable message for logging */ std::string FormatStateMessage(const CValidationState &state); @@ -293,8 +322,6 @@ struct CDiskTxPos : public CDiskBlockPos }; -CAmount GetMinRelayFee(const CTransaction& tx, unsigned int nBytes, bool fAllowFree); - /** * Count ECDSA signature operations the old-fashioned (pre-0.6) way * @return number of sigops this transaction's outputs will produce when spent @@ -341,7 +368,22 @@ bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime); */ bool CheckFinalTx(const CTransaction &tx, int flags = -1); -/** +/** + * Check if transaction is final per BIP 68 sequence numbers and can be included in a block. + * Consensus critical. Takes as input a list of heights at which tx's inputs (in order) confirmed. + */ +bool SequenceLocks(const CTransaction &tx, int flags, std::vector<int>* prevHeights, const CBlockIndex& block); + +/** + * Check if transaction will be BIP 68 final in the next block to be created. + * + * Simulates calling SequenceLocks() with data from the tip of the current active chain. + * + * See consensus/consensus.h for flag definitions. + */ +bool CheckSequenceLocks(const CTransaction &tx, int flags); + +/** * Closure representing one script verification * Note that this stores references to the spending transaction */ @@ -383,23 +425,27 @@ bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex, const Consensus /** Functions for validating blocks and updating the block tree */ -/** Undo the effects of this block (with given index) on the UTXO set represented by coins. - * In case pfClean is provided, operation will try to be tolerant about errors, and *pfClean - * will be true if no problems were found. Otherwise, the return value will be false in case - * of problems. Note that in any case, coins may be modified. */ -bool DisconnectBlock(const CBlock& block, CValidationState& state, const CBlockIndex* pindex, CCoinsViewCache& coins, bool* pfClean = NULL); - -/** Apply the effects of this block (with given index) on the UTXO set represented by coins */ -bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pindex, CCoinsViewCache& coins, bool fJustCheck = false); - /** Context-independent validity checks */ bool CheckBlockHeader(const CBlockHeader& block, CValidationState& state, bool fCheckPOW = true); bool CheckBlock(const CBlock& block, CValidationState& state, bool fCheckPOW = true, bool fCheckMerkleRoot = true); -/** Context-dependent validity checks */ +/** Context-dependent validity checks. + * By "context", we mean only the previous block headers, but not the UTXO + * set; UTXO-related validity checks are done in ConnectBlock(). */ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, CBlockIndex *pindexPrev); bool ContextualCheckBlock(const CBlock& block, CValidationState& state, CBlockIndex *pindexPrev); +/** Apply the effects of this block (with given index) on the UTXO set represented by coins. + * Validity checks that depend on the UTXO set are also done; ConnectBlock() + * can fail if those validity checks fail (among other reasons). */ +bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pindex, CCoinsViewCache& coins, bool fJustCheck = false); + +/** Undo the effects of this block (with given index) on the UTXO set represented by coins. + * In case pfClean is provided, operation will try to be tolerant about errors, and *pfClean + * will be true if no problems were found. Otherwise, the return value will be false in case + * of problems. Note that in any case, coins may be modified. */ +bool DisconnectBlock(const CBlock& block, CValidationState& state, const CBlockIndex* pindex, CCoinsViewCache& coins, bool* pfClean = NULL); + /** Check a block is completely valid from start to finish (only works on top of our current best block, with cs_main held) */ bool TestBlockValidity(CValidationState& state, const CChainParams& chainparams, const CBlock& block, CBlockIndex* pindexPrev, bool fCheckPOW = true, bool fCheckMerkleRoot = true); |