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versionbits: Expose VersionBitsConditionChecker via impl header

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This commit is contained in:
Anthony Towns 2023-12-17 18:44:58 +10:00
parent e74a7049b4
commit 525c00f91b
2 changed files with 26 additions and 30 deletions
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30
src/versionbits.cpp
View file

@ -189,36 +189,6 @@ int AbstractThresholdConditionChecker::GetStateSinceHeightFor(const CBlockIndex*
return pindexPrev->nHeight + 1;
}
namespace
{
/**
* Class to implement versionbits logic.
*/
class VersionBitsConditionChecker : public AbstractThresholdConditionChecker {
private:
const Consensus::BIP9Deployment& dep;
protected:
int64_t BeginTime() const override { return dep.nStartTime; }
int64_t EndTime() const override { return dep.nTimeout; }
int MinActivationHeight() const override { return dep.min_activation_height; }
int Period() const override { return dep.period; }
int Threshold() const override { return dep.threshold; }
bool Condition(const CBlockIndex* pindex) const override
{
return (((pindex->nVersion & VERSIONBITS_TOP_MASK) == VERSIONBITS_TOP_BITS) && (pindex->nVersion & Mask()) != 0);
}
public:
explicit VersionBitsConditionChecker(const Consensus::BIP9Deployment& dep) : dep{dep} {}
explicit VersionBitsConditionChecker(const Consensus::Params& params, Consensus::DeploymentPos id) : VersionBitsConditionChecker{params.vDeployments[id]} {}
uint32_t Mask() const { return (uint32_t{1}) << dep.bit; }
};
} // namespace
BIP9Info VersionBitsCache::Info(const CBlockIndex& block_index, const Consensus::Params& params, Consensus::DeploymentPos id)
{
BIP9Info result;

26
src/versionbits_impl.h
View file

@ -49,4 +49,30 @@ public:
int GetStateSinceHeightFor(const CBlockIndex* pindexPrev, ThresholdConditionCache& cache) const;
};
/**
* Class to implement versionbits logic.
*/
class VersionBitsConditionChecker : public AbstractThresholdConditionChecker {
private:
const Consensus::BIP9Deployment& dep;
protected:
int64_t BeginTime() const override { return dep.nStartTime; }
int64_t EndTime() const override { return dep.nTimeout; }
int MinActivationHeight() const override { return dep.min_activation_height; }
int Period() const override { return dep.period; }
int Threshold() const override { return dep.threshold; }
bool Condition(const CBlockIndex* pindex) const override
{
return (((pindex->nVersion & VERSIONBITS_TOP_MASK) == VERSIONBITS_TOP_BITS) && (pindex->nVersion & Mask()) != 0);
}
public:
explicit VersionBitsConditionChecker(const Consensus::BIP9Deployment& dep) : dep{dep} {}
explicit VersionBitsConditionChecker(const Consensus::Params& params, Consensus::DeploymentPos id) : VersionBitsConditionChecker{params.vDeployments[id]} {}
uint32_t Mask() const { return (uint32_t{1}) << dep.bit; }
};
#endif // BITCOIN_VERSIONBITS_IMPL_H