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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| // Copyright (c) 2009-2010 Satoshi Nakamoto | ||
| // Copyright (c) 2009-2014 The Bitcoin Core developers | ||
| // Distributed under the MIT software license, see the accompanying | ||
| // file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||
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| #ifndef BITCOIN_CONSENSUS_CONSENSUS_H | ||
| #define BITCOIN_CONSENSUS_CONSENSUS_H | ||
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| /** The maximum allowed size for a serialized block, in bytes (network rule) */ | ||
| static const unsigned int MAX_BLOCK_SIZE = 4000000; | ||
| /** The maximum allowed number of signature check operations in a block (network rule) */ | ||
| static const unsigned int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50; | ||
| /** Coinbase transaction outputs can only be spent after this number of new blocks (network rule) */ | ||
| static const int COINBASE_MATURITY = 100; | ||
| /** Threshold for nLockTime: below this value it is interpreted as block number, otherwise as UNIX timestamp. */ | ||
| static const unsigned int LOCKTIME_THRESHOLD = 500000000; // Tue Nov 5 00:53:20 1985 UTC | ||
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| /** Default for -blockmaxsize and -blockminsize, which control the range of sizes the mining code will create **/ | ||
| static const unsigned int DEFAULT_BLOCK_MAX_SIZE = 750000; | ||
| static const unsigned int DEFAULT_BLOCK_MIN_SIZE = 0; | ||
| /** Default for -blockprioritysize, maximum space for zero/low-fee transactions **/ | ||
| static const unsigned int DEFAULT_BLOCK_PRIORITY_SIZE = 50000; | ||
| /** Default for accepting alerts from the P2P network. */ | ||
| static const bool DEFAULT_ALERTS = true; | ||
| /** The maximum size for transactions we're willing to relay/mine */ | ||
| static const unsigned int MAX_STANDARD_TX_SIZE = 100000; | ||
| /** Maximum number of signature check operations in an IsStandard() P2SH script */ | ||
| static const unsigned int MAX_P2SH_SIGOPS = 15; | ||
| /** The maximum number of sigops we're willing to relay/mine in a single tx */ | ||
| static const unsigned int MAX_TX_SIGOPS = MAX_BLOCK_SIGOPS / 5; | ||
| /** Default for -maxorphantx, maximum number of orphan transactions kept in memory */ | ||
| static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100; | ||
| /** The maximum size of a blk?????.dat file (since 0.8) */ | ||
| static const unsigned int MAX_BLOCKFILE_SIZE = 0x8000000; // 128 MiB | ||
| /** The pre-allocation chunk size for blk?????.dat files (since 0.8) */ | ||
| static const unsigned int BLOCKFILE_CHUNK_SIZE = 0x1000000; // 16 MiB | ||
| /** The pre-allocation chunk size for rev?????.dat files (since 0.8) */ | ||
| static const unsigned int UNDOFILE_CHUNK_SIZE = 0x100000; // 1 MiB | ||
| /** Maximum number of script-checking threads allowed */ | ||
| static const int MAX_SCRIPTCHECK_THREADS = 16; | ||
| /** -par default (number of script-checking threads, 0 = auto) */ | ||
| static const int DEFAULT_SCRIPTCHECK_THREADS = 0; | ||
| /** Number of blocks that can be requested at any given time from a single peer. */ | ||
| static const int MAX_BLOCKS_IN_TRANSIT_PER_PEER = 16; | ||
| /** Timeout in seconds during which a peer must stall block download progress before being disconnected. */ | ||
| static const unsigned int BLOCK_STALLING_TIMEOUT = 2; | ||
| /** Number of headers sent in one getheaders result. We rely on the assumption that if a peer sends | ||
| * less than this number, we reached their tip. Changing this value is a protocol upgrade. */ | ||
| static const unsigned int MAX_HEADERS_RESULTS = 2000; | ||
| /** Size of the "block download window": how far ahead of our current height do we fetch? | ||
| * Larger windows tolerate larger download speed differences between peer, but increase the potential | ||
| * degree of disordering of blocks on disk (which make reindexing and in the future perhaps pruning | ||
| * harder). We'll probably want to make this a per-peer adaptive value at some point. */ | ||
| static const unsigned int BLOCK_DOWNLOAD_WINDOW = 1024; | ||
| /** Time to wait (in seconds) between writing blockchain state to disk. */ | ||
| static const unsigned int DATABASE_WRITE_INTERVAL = 3600; | ||
| /** Maximum length of reject messages. */ | ||
| static const unsigned int MAX_REJECT_MESSAGE_LENGTH = 111; | ||
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| static const bool DEFAULT_PEERBLOOMFILTERS = true; | ||
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| #endif // BITCOIN_CONSENSUS_CONSENSUS_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| // Copyright (c) 2009-2010 Satoshi Nakamoto | ||
| // Copyright (c) 2009-2014 The Bitcoin Core developers | ||
| // Distributed under the MIT software license, see the accompanying | ||
| // file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||
|
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| #ifndef BITCOIN_CONSENSUS_VALIDATION_H | ||
| #define BITCOIN_CONSENSUS_VALIDATION_H | ||
|
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| #include <string> | ||
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| /** "reject" message codes */ | ||
| static const unsigned char REJECT_MALFORMED = 0x01; | ||
| static const unsigned char REJECT_INVALID = 0x10; | ||
| static const unsigned char REJECT_OBSOLETE = 0x11; | ||
| static const unsigned char REJECT_DUPLICATE = 0x12; | ||
| static const unsigned char REJECT_NONSTANDARD = 0x40; | ||
| static const unsigned char REJECT_DUST = 0x41; | ||
| static const unsigned char REJECT_INSUFFICIENTFEE = 0x42; | ||
| static const unsigned char REJECT_CHECKPOINT = 0x43; | ||
| /** Capture information about block/transaction validation */ | ||
| class CValidationState | ||
| { | ||
| private: | ||
| enum mode_state { | ||
| MODE_VALID, //! everything ok | ||
| MODE_INVALID, //! network rule violation (DoS value may be set) | ||
| MODE_ERROR, //! run-time error | ||
| } mode; | ||
| int nDoS; | ||
| std::string strRejectReason; | ||
| unsigned char chRejectCode; | ||
| bool corruptionPossible; | ||
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| public: | ||
| CValidationState() : mode(MODE_VALID), nDoS(0), chRejectCode(0), corruptionPossible(false) {} | ||
| bool DoS(int level, bool ret = false, unsigned char chRejectCodeIn = 0, std::string strRejectReasonIn = "", bool corruptionIn = false) | ||
| { | ||
| chRejectCode = chRejectCodeIn; | ||
| strRejectReason = strRejectReasonIn; | ||
| corruptionPossible = corruptionIn; | ||
| if (mode == MODE_ERROR) | ||
| return ret; | ||
| nDoS += level; | ||
| mode = MODE_INVALID; | ||
| return ret; | ||
| } | ||
| bool Invalid(bool ret = false, | ||
| unsigned char _chRejectCode = 0, | ||
| std::string _strRejectReason = "") | ||
| { | ||
| return DoS(0, ret, _chRejectCode, _strRejectReason); | ||
| } | ||
| bool Error(std::string strRejectReasonIn = "") | ||
| { | ||
| if (mode == MODE_VALID) | ||
| strRejectReason = strRejectReasonIn; | ||
| mode = MODE_ERROR; | ||
| return false; | ||
| } | ||
| bool IsValid() const | ||
| { | ||
| return mode == MODE_VALID; | ||
| } | ||
| bool IsInvalid() const | ||
| { | ||
| return mode == MODE_INVALID; | ||
| } | ||
| bool IsError() const | ||
| { | ||
| return mode == MODE_ERROR; | ||
| } | ||
| bool IsInvalid(int& nDoSOut) const | ||
| { | ||
| if (IsInvalid()) { | ||
| nDoSOut = nDoS; | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
| bool CorruptionPossible() const | ||
| { | ||
| return corruptionPossible; | ||
| } | ||
| unsigned char GetRejectCode() const { return chRejectCode; } | ||
| std::string GetRejectReason() const { return strRejectReason; } | ||
| }; | ||
| #endif // BITCOIN_CONSENSUS_VALIDATION_H |
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