deploymentstatus.h

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// Copyright (c) 2020-2021 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_DEPLOYMENTSTATUS_H
#define BITCOIN_DEPLOYMENTSTATUS_H
 
#include <chain.h>
#include <versionbits.h>
 
#include <limits>
 
extern VersionBitsCache g_versionbitscache;
 
inline bool DeploymentActiveAfter(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::BuriedDeployment dep)
{
    assert(Consensus::ValidDeployment(dep));
    return (pindexPrev == nullptr ? 0 : pindexPrev->nHeight + 1) >= params.DeploymentHeight(dep);
}
 
inline bool DeploymentActiveAfter(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos dep)
{
    assert(Consensus::ValidDeployment(dep));
    return ThresholdState::ACTIVE == g_versionbitscache.State(pindexPrev, params, dep);
}
 
inline bool DeploymentActiveAt(const CBlockIndex& index, const Consensus::Params& params, Consensus::BuriedDeployment dep)
{
    assert(Consensus::ValidDeployment(dep));
    return index.nHeight >= params.DeploymentHeight(dep);
}
 
inline bool DeploymentActiveAt(const CBlockIndex& index, const Consensus::Params& params, Consensus::DeploymentPos dep)
{
    assert(Consensus::ValidDeployment(dep));
    return DeploymentActiveAfter(index.pprev, params, dep);
}
 
inline bool DeploymentEnabled(const Consensus::Params& params, Consensus::BuriedDeployment dep)
{
    assert(Consensus::ValidDeployment(dep));
    return params.DeploymentHeight(dep) != std::numeric_limits<int>::max();
}
 
inline bool DeploymentEnabled(const Consensus::Params& params, Consensus::DeploymentPos dep)
{
    assert(Consensus::ValidDeployment(dep));
    return params.vDeployments[dep].nStartTime != Consensus::BIP9Deployment::NEVER_ACTIVE;
}
 
#endif // BITCOIN_DEPLOYMENTSTATUS_H