39 lines
2.0 KiB
C
39 lines
2.0 KiB
C
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Copyright (c) 2009-2018 The Bitcoin Core developers
|
|
// Distributed under the MIT software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#ifndef BITCOIN_CONSENSUS_CONSENSUS_H
|
|
#define BITCOIN_CONSENSUS_CONSENSUS_H
|
|
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
|
|
/** The minimum allowed block version (network rule) */
|
|
static const int32_t MIN_BLOCK_VERSION = 4;
|
|
/** The minimum allowed transaction version (network rule) */
|
|
static const int32_t MIN_TX_VERSION = 1;
|
|
/** The maximum allowed size for a serialized block, in bytes (only for buffer size limits) */
|
|
static const unsigned int MAX_BLOCK_SERIALIZED_SIZE = 4000000;
|
|
/** The maximum allowed weight for a block, see BIP 141 (network rule) */
|
|
static const unsigned int MAX_BLOCK_WEIGHT = 8000000;
|
|
/** The maximum allowed number of signature check operations in a block (network rule) */
|
|
static const int64_t MAX_BLOCK_SIGOPS_COST = 200000;
|
|
/** The maximum size of a transaction excluding witnesses (network rule that is not particularly relevant any longer so not applied to witnesses) */
|
|
static const unsigned int MAX_TX_SIZE = 100000;
|
|
/** Coinbase transaction outputs can only be spent after this number of new blocks (network rule) */
|
|
static const int COINBASE_MATURITY = 100;
|
|
|
|
static const int WITNESS_SCALE_FACTOR = 4;
|
|
|
|
static const size_t MIN_TRANSACTION_WEIGHT = WITNESS_SCALE_FACTOR * 60; // 60 is the lower bound for the size of a valid serialized CTransaction
|
|
static const size_t MIN_SERIALIZABLE_TRANSACTION_WEIGHT = WITNESS_SCALE_FACTOR * 10; // 10 is the lower bound for the size of a serialized CTransaction
|
|
|
|
/** Flags for nSequence and nLockTime locks */
|
|
/** Interpret sequence numbers as relative lock-time constraints. */
|
|
static constexpr unsigned int LOCKTIME_VERIFY_SEQUENCE = (1 << 0);
|
|
/** Use GetMedianTimePast() instead of nTime for end point timestamp. */
|
|
static constexpr unsigned int LOCKTIME_MEDIAN_TIME_PAST = (1 << 1);
|
|
|
|
#endif // BITCOIN_CONSENSUS_CONSENSUS_H
|