64 lines
2 KiB
C++
64 lines
2 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// 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.
|
|
|
|
#ifndef BITCOIN_CONSENSUS_PARAMS_H
|
|
#define BITCOIN_CONSENSUS_PARAMS_H
|
|
|
|
#include "uint256.h"
|
|
#include <map>
|
|
#include <string>
|
|
|
|
namespace Consensus {
|
|
|
|
enum DeploymentPos
|
|
{
|
|
DEPLOYMENT_TESTDUMMY,
|
|
MAX_VERSION_BITS_DEPLOYMENTS
|
|
};
|
|
|
|
/**
|
|
* Struct for each individual consensus rule change using BIP9.
|
|
*/
|
|
struct BIP9Deployment {
|
|
/** Bit position to select the particular bit in nVersion. */
|
|
int bit;
|
|
/** Start MedianTime for version bits miner confirmation. Can be a date in the past */
|
|
int64_t nStartTime;
|
|
/** Timeout/expiry MedianTime for the deployment attempt. */
|
|
int64_t nTimeout;
|
|
};
|
|
|
|
/**
|
|
* Parameters that influence chain consensus.
|
|
*/
|
|
struct Params {
|
|
uint256 hashGenesisBlock;
|
|
int nSubsidyHalvingInterval;
|
|
/** Used to check majorities for block version upgrade */
|
|
int nMajorityEnforceBlockUpgrade;
|
|
int nMajorityRejectBlockOutdated;
|
|
int nMajorityWindow;
|
|
/** Block height and hash at which BIP34 becomes active */
|
|
int BIP34Height;
|
|
uint256 BIP34Hash;
|
|
/**
|
|
* Minimum blocks including miner confirmation of the total of 2016 blocks in a retargetting period,
|
|
* (nPowTargetTimespan / nPowTargetSpacing) which is also used for BIP9 deployments.
|
|
* Examples: 1916 for 95%, 1512 for testchains.
|
|
*/
|
|
uint32_t nRuleChangeActivationThreshold;
|
|
uint32_t nMinerConfirmationWindow;
|
|
BIP9Deployment vDeployments[MAX_VERSION_BITS_DEPLOYMENTS];
|
|
/** Proof of work parameters */
|
|
uint256 powLimit;
|
|
bool fPowAllowMinDifficultyBlocks;
|
|
bool fPowNoRetargeting;
|
|
int64_t nPowTargetSpacing;
|
|
int64_t nPowTargetTimespan;
|
|
int64_t DifficultyAdjustmentInterval() const { return nPowTargetTimespan / nPowTargetSpacing; }
|
|
};
|
|
} // namespace Consensus
|
|
|
|
#endif // BITCOIN_CONSENSUS_PARAMS_H
|