Verus Coin - this coin was backdoored by it's lead dev and should not be trusted! https://git.hush.is/duke/backdoors/src/branch/master/vrsc.md
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// Copyright (c) 2018 The Zcash developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or https://www.opensource.org/licenses/mit-license.php .
#ifndef ZCASH_CONSENSUS_UPGRADES_H
#define ZCASH_CONSENSUS_UPGRADES_H
#include "consensus/params.h"
#include <boost/optional.hpp>
enum UpgradeState {
UPGRADE_DISABLED,
UPGRADE_PENDING,
UPGRADE_ACTIVE
};
struct NUInfo {
/** Branch ID (a random non-zero 32-bit value) */
uint32_t nBranchId;
/** User-facing name for the upgrade */
std::string strName;
/** User-facing information string about the upgrade */
std::string strInfo;
};
extern const struct NUInfo NetworkUpgradeInfo[];
// Consensus branch id to identify pre-overwinter (Sprout) consensus rules.
extern const uint32_t SPROUT_BRANCH_ID;
/**
* Checks the state of a given network upgrade based on block height.
* Caller must check that the height is >= 0 (and handle unknown heights).
*/
UpgradeState NetworkUpgradeState(
int nHeight,
const Consensus::Params& params,
Consensus::UpgradeIndex idx);
/**
* Returns true if the given network upgrade is active as of the given block
* height. Caller must check that the height is >= 0 (and handle unknown
* heights).
*/
bool NetworkUpgradeActive(
int nHeight,
const Consensus::Params& params,
Consensus::UpgradeIndex idx);
/**
* Returns the index of the most recent upgrade as of the given block height
* (corresponding to the current "epoch"). Consensus::BASE_SPROUT is the
* default value if no upgrades are active. Caller must check that the height
* is >= 0 (and handle unknown heights).
*/
int CurrentEpoch(int nHeight, const Consensus::Params& params);
/**
* Returns the branch ID of the most recent upgrade as of the given block height
* (corresponding to the current "epoch"), or 0 if no upgrades are active.
* Caller must check that the height is >= 0 (and handle unknown heights).
*/
uint32_t CurrentEpochBranchId(int nHeight, const Consensus::Params& params);
/**
* Returns true if a given branch id is a valid nBranchId for one of the network
* upgrades contained in NetworkUpgradeInfo.
*/
bool IsConsensusBranchId(int branchId);
/**
* Returns true if the given block height is the activation height for the given
* upgrade.
*/
bool IsActivationHeight(
int nHeight,
const Consensus::Params& params,
Consensus::UpgradeIndex upgrade);
/**
* Returns true if the given block height is the activation height for any upgrade.
*/
bool IsActivationHeightForAnyUpgrade(
int nHeight,
const Consensus::Params& params);
/**
* Returns the index of the next upgrade after the given block height, or
* boost::none if there are no more known upgrades.
*/
boost::optional<int> NextEpoch(int nHeight, const Consensus::Params& params);
/**
* Returns the activation height for the next upgrade after the given block height,
* or boost::none if there are no more known upgrades.
*/
boost::optional<int> NextActivationHeight(
int nHeight,
const Consensus::Params& params);
#endif // ZCASH_CONSENSUS_UPGRADES_H