VersionBitsCache Class Reference

BIP 9 allows multiple softforks to be deployed in parallel. More...

#include <versionbits.h>

Collaboration diagram for VersionBitsCache:

Public Member Functions
ThresholdState	State (const CBlockIndex *pindexPrev, const Consensus::Params &params, Consensus::DeploymentPos pos) EXCLUSIVE_LOCKS_REQUIRED(!m_mutex)
	Get the BIP9 state for a given deployment for the block after pindexPrev. More...
int	StateSinceHeight (const CBlockIndex *pindexPrev, const Consensus::Params &params, Consensus::DeploymentPos pos) EXCLUSIVE_LOCKS_REQUIRED(!m_mutex)
	Get the block height at which the BIP9 deployment switched into the state for the block after pindexPrev. More...
int32_t	ComputeBlockVersion (const CBlockIndex *pindexPrev, const Consensus::Params &params) EXCLUSIVE_LOCKS_REQUIRED(!m_mutex)
	Determine what nVersion a new block should use. More...
void	Clear () EXCLUSIVE_LOCKS_REQUIRED(!m_mutex)

Static Public Member Functions
static BIP9Stats	Statistics (const CBlockIndex *pindex, const Consensus::Params &params, Consensus::DeploymentPos pos, std::vector< bool > *signalling_blocks=nullptr)
	Get the numerical statistics for a given deployment for the signalling period that includes pindex. More...
static uint32_t	Mask (const Consensus::Params &params, Consensus::DeploymentPos pos)

Private Member Functions
ThresholdConditionCache m_caches[Consensus::MAX_VERSION_BITS_DEPLOYMENTS]	GUARDED_BY (m_mutex)

Private Attributes
Mutex	m_mutex

Detailed Description

BIP 9 allows multiple softforks to be deployed in parallel.

We cache per-period state for every one of them.

Definition at line 80 of file versionbits.h.

Member Function Documentation

Clear()

void VersionBitsCache::Clear

(

)

Definition at line 241 of file versionbits.cpp.

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ComputeBlockVersion()

int32_t VersionBitsCache::ComputeBlockVersion	(	const CBlockIndex *	pindexPrev,
		const Consensus::Params &	params
	)

Determine what nVersion a new block should use.

Definition at line 225 of file versionbits.cpp.

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GUARDED_BY()

ThresholdConditionCache m_caches[Consensus::MAX_VERSION_BITS_DEPLOYMENTS] VersionBitsCache::GUARDED_BY ( m_mutex  )

private

Mask()

uint32_t VersionBitsCache::Mask ( const Consensus::Params &  params, Consensus::DeploymentPos  pos  )

static

Definition at line 220 of file versionbits.cpp.

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State()

ThresholdState VersionBitsCache::State	(	const CBlockIndex *	pindexPrev,
		const Consensus::Params &	params,
		Consensus::DeploymentPos	pos
	)

Get the BIP9 state for a given deployment for the block after pindexPrev.

Definition at line 203 of file versionbits.cpp.

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StateSinceHeight()

int VersionBitsCache::StateSinceHeight	(	const CBlockIndex *	pindexPrev,
		const Consensus::Params &	params,
		Consensus::DeploymentPos	pos
	)

Get the block height at which the BIP9 deployment switched into the state for the block after pindexPrev.

Definition at line 214 of file versionbits.cpp.

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Statistics()

BIP9Stats VersionBitsCache::Statistics ( const CBlockIndex *  pindex, const Consensus::Params &  params, Consensus::DeploymentPos  pos, std::vector< bool > *  signalling_blocks = nullptr  )

static

Get the numerical statistics for a given deployment for the signalling period that includes pindex.

If provided, signalling_blocks is set to true/false based on whether each block in the period signalled

Definition at line 209 of file versionbits.cpp.

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Member Data Documentation

m_mutex

Mutex VersionBitsCache::m_mutex

private

Definition at line 83 of file versionbits.h.

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The documentation for this class was generated from the following files:

• src/versionbits.h
• src/versionbits.cpp