Maintains a tree of blocks (stored in m_block_index) which is consulted to determine where the most-work tip is. More...

#include <blockstorage.h>

Collaboration diagram for node::BlockManager:

[legend]

Public Types
using	Options = kernel::BlockManagerOpts

Public Member Functions
	BlockManager (const util::SignalInterrupt &interrupt, Options opts)

BlockMap m_block_index	GUARDED_BY (cs_main)

std::unique_ptr< BlockTreeDB > m_block_tree_db	GUARDED_BY (::cs_main)

CBlockIndex *	InsertBlockIndex (const uint256 &hash) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
	Create a new block index entry for a given block hash. More...

void	PruneOneBlockFile (const int fileNumber) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
	Mark one block file as pruned (modify associated database entries) More...

CBlockIndex *	LookupBlockIndex (const uint256 &hash) EXCLUSIVE_LOCKS_REQUIRED(cs_main)

const CBlockIndex *	LookupBlockIndex (const uint256 &hash) const EXCLUSIVE_LOCKS_REQUIRED(cs_main)

CBlockFileInfo *	GetBlockFileInfo (size_t n)
	Get block file info entry for one block file. More...

bool	IsPruneMode () const
	Whether running in -prune mode. More...

uint64_t	GetPruneTarget () const
	Attempt to stay below this number of bytes of block files. More...

bool	LoadingBlocks () const

uint64_t	CalculateCurrentUsage ()
	Calculate the amount of disk space the block & undo files currently use. More...

const CBlockIndex *	GetLastCheckpoint (const CCheckpointData &data) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
	Returns last CBlockIndex* that is a checkpoint. More...

fs::path	GetBlockPosFilename (const FlatFilePos &pos) const
	Translation to a filesystem path. More...

void	UnlinkPrunedFiles (const std::set< int > &setFilesToPrune) const
	Actually unlink the specified files. More...

bool	ReadBlockFromDisk (CBlock &block, const FlatFilePos &pos) const
	Functions for disk access for blocks. More...

bool	ReadBlockFromDisk (CBlock &block, const CBlockIndex &index) const

bool	ReadRawBlockFromDisk (std::vector< uint8_t > &block, const FlatFilePos &pos) const

bool	UndoReadFromDisk (CBlockUndo &blockundo, const CBlockIndex &index) const

void	CleanupBlockRevFiles () const

Public Attributes
const util::SignalInterrupt &	m_interrupt

std::atomic< bool >	m_importing {false}

std::optional< int >	m_snapshot_height
	The height of the base block of an assumeutxo snapshot, if one is in use. More...

std::vector< CBlockIndex * > GetAllBlockIndices() EXCLUSIVE_LOCKS_REQUIRED(std::multimap< CBlockIndex , CBlockIndex >	m_blocks_unlinked
	All pairs A->B, where A (or one of its ancestors) misses transactions, but B has transactions. More...

bool WriteBlockIndexDB() EXCLUSIVE_LOCKS_REQUIRED(bool LoadBlockIndexDB(const std::optional< uint256 > &snapshot_blockhash) EXCLUSIVE_LOCKS_REQUIRED(void ScanAndUnlinkAlreadyPrunedFiles() EXCLUSIVE_LOCKS_REQUIRED(CBlockIndex *	AddToBlockIndex (const CBlockHeader &block, CBlockIndex *&best_header) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
	Remove any pruned block & undo files that are still on disk. More...

bool WriteUndoDataForBlock(const CBlockUndo &blockundo, BlockValidationState &state, CBlockIndex &block) EXCLUSIVE_LOCKS_REQUIRED(FlatFilePos	SaveBlockToDisk (const CBlock &block, int nHeight, const FlatFilePos *dbp)
	Store block on disk. More...

bool CheckBlockDataAvailability(const CBlockIndex &upper_block LIFETIMEBOUND, const CBlockIndex &lower_block LIFETIMEBOUND) EXCLUSIVE_LOCKS_REQUIRED(const CBlockIndex GetFirstStoredBlock(const CBlockIndex &start_block LIFETIMEBOUND, const CBlockIndex lower_block=nullptr) EXCLUSIVE_LOCKS_REQUIRED(boo	m_have_pruned ) = false
	Check if all blocks in the [upper_block, lower_block] range have data available. More...

bool IsBlockPruned(const CBlockIndex &block) EXCLUSIVE_LOCKS_REQUIRED(void UpdatePruneLock(const std::string &name, const PruneLockInfo &lock_info) EXCLUSIVE_LOCKS_REQUIRED(AutoFile	OpenBlockFile (const FlatFilePos &pos, bool fReadOnly=false) const
	Check whether the block associated with this index entry is pruned or not. More...

Static Public Attributes
static constexpr auto	PRUNE_TARGET_MANUAL {std::numeric_limits<uint64_t>::max()}

Private Member Functions
const CChainParams &	GetParams () const

const Consensus::Params &	GetConsensus () const

bool	LoadBlockIndex (const std::optional< uint256 > &snapshot_blockhash) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
	Load the blocktree off disk and into memory. More...

bool	FlushBlockFile (int blockfile_num, bool fFinalize, bool finalize_undo)
	Return false if block file or undo file flushing fails. More...

bool	FlushUndoFile (int block_file, bool finalize=false)
	Return false if undo file flushing fails. More...

bool	FindBlockPos (FlatFilePos &pos, unsigned int nAddSize, unsigned int nHeight, uint64_t nTime, bool fKnown)

bool	FlushChainstateBlockFile (int tip_height)

bool	FindUndoPos (BlockValidationState &state, int nFile, FlatFilePos &pos, unsigned int nAddSize)

FlatFileSeq	BlockFileSeq () const

FlatFileSeq	UndoFileSeq () const

AutoFile	OpenUndoFile (const FlatFilePos &pos, bool fReadOnly=false) const
	Open an undo file (rev?????.dat) More...

bool	WriteBlockToDisk (const CBlock &block, FlatFilePos &pos) const

bool	UndoWriteToDisk (const CBlockUndo &blockundo, FlatFilePos &pos, const uint256 &hashBlock) const

void	FindFilesToPruneManual (std::set< int > &setFilesToPrune, int nManualPruneHeight, const Chainstate &chain, ChainstateManager &chainman)

void	FindFilesToPrune (std::set< int > &setFilesToPrune, int last_prune, const Chainstate &chain, ChainstateManager &chainman)
	Prune block and undo files (blk???.dat and rev???.dat) so that the disk space used is less than a user-defined target. More...

std::array< std::optional< BlockfileCursor >, BlockfileType::NUM_TYPES > m_blockfile_cursors	GUARDED_BY (cs_LastBlockFile)
	Since assumedvalid chainstates may be syncing a range of the chain that is very far away from the normal/background validation process, we should segment blockfiles for assumed chainstates. More...

int	MaxBlockfileNum () const EXCLUSIVE_LOCKS_REQUIRED(cs_LastBlockFile)

std::unordered_map< std::string, PruneLockInfo > m_prune_locks	GUARDED_BY (::cs_main)
	Map from external index name to oldest block that must not be pruned. More...

BlockfileType	BlockfileTypeForHeight (int height)

Private Attributes
friend	Chainstate

friend	ChainstateManager

RecursiveMutex	cs_LastBlockFile

std::vector< CBlockFileInfo >	m_blockfile_info

bool	m_check_for_pruning = false
	Global flag to indicate we should check to see if there are block/undo files that should be deleted. More...

const bool	m_prune_mode

std::set< CBlockIndex * >	m_dirty_blockindex
	Dirty block index entries. More...

std::set< int >	m_dirty_fileinfo
	Dirty block file entries. More...

const kernel::BlockManagerOpts	m_opts

Detailed Description

Maintains a tree of blocks (stored in m_block_index) which is consulted to determine where the most-work tip is.

This data is used mostly in Chainstate - information about, e.g., candidate tips is not maintained here.

Definition at line 136 of file blockstorage.h.

Member Typedef Documentation

◆ Options

using node::BlockManager::Options = kernel::BlockManagerOpts

Definition at line 252 of file blockstorage.h.

Constructor & Destructor Documentation

◆ BlockManager()

node::BlockManager::BlockManager	(	const util::SignalInterrupt &	interrupt,
		Options	opts
	)

inlineexplicit

Definition at line 254 of file blockstorage.h.

Member Function Documentation

◆ BlockFileSeq()

FlatFileSeq node::BlockManager::BlockFileSeq ( ) const

private

Definition at line 825 of file blockstorage.cpp.

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◆ BlockfileTypeForHeight()

BlockfileType node::BlockManager::BlockfileTypeForHeight ( int height )

private

Definition at line 779 of file blockstorage.cpp.

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◆ CalculateCurrentUsage()

uint64_t node::BlockManager::CalculateCurrentUsage ( )

Calculate the amount of disk space the block & undo files currently use.

Definition at line 801 of file blockstorage.cpp.

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◆ CleanupBlockRevFiles()

void node::BlockManager::CleanupBlockRevFiles ( ) const

Definition at line 629 of file blockstorage.cpp.

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◆ FindBlockPos()

bool node::BlockManager::FindBlockPos	(	FlatFilePos &	pos,
		unsigned int	nAddSize,
		unsigned int	nHeight,
		uint64_t	nTime,
		bool	fKnown
	)

private

Definition at line 851 of file blockstorage.cpp.

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◆ FindFilesToPrune()

void node::BlockManager::FindFilesToPrune	(	std::set< int > &	setFilesToPrune,
		int	last_prune,
		const Chainstate &	chain,
		ChainstateManager &	chainman
	)

private

Prune block and undo files (blk???.dat and rev???.dat) so that the disk space used is less than a user-defined target.

The user sets the target (in MB) on the command line or in config file. This will be run on startup and whenever new space is allocated in a block or undo file, staying below the target. Changing back to unpruned requires a reindex (which in this case means the blockchain must be re-downloaded.)

Pruning functions are called from FlushStateToDisk when the m_check_for_pruning flag has been set. Block and undo files are deleted in lock-step (when blk00003.dat is deleted, so is rev00003.dat.) Pruning cannot take place until the longest chain is at least a certain length (CChainParams::nPruneAfterHeight). Pruning will never delete a block within a defined distance (currently 288) from the active chain's tip. The block index is updated by unsetting HAVE_DATA and HAVE_UNDO for any blocks that were stored in the deleted files. A db flag records the fact that at least some block files have been pruned.

Parameters

[out]	setFilesToPrune	The set of file indices that can be unlinked will be returned
	last_prune	The last height we're able to prune, according to the prune locks

Definition at line 302 of file blockstorage.cpp.

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◆ FindFilesToPruneManual()

void node::BlockManager::FindFilesToPruneManual	(	std::set< int > &	setFilesToPrune,
		int	nManualPruneHeight,
		const Chainstate &	chain,
		ChainstateManager &	chainman
	)

private

Definition at line 272 of file blockstorage.cpp.

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◆ FindUndoPos()

bool node::BlockManager::FindUndoPos	(	BlockValidationState &	state,
		int	nFile,
		FlatFilePos &	pos,
		unsigned int	nAddSize
	)

private

Definition at line 950 of file blockstorage.cpp.

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◆ FlushBlockFile()

bool node::BlockManager::FlushBlockFile	(	int	blockfile_num,
		bool	fFinalize,
		bool	finalize_undo
	)

private

Return false if block file or undo file flushing fails.

Definition at line 750 of file blockstorage.cpp.

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◆ FlushChainstateBlockFile()

bool node::BlockManager::FlushChainstateBlockFile ( int tip_height )

private

Definition at line 787 of file blockstorage.cpp.

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◆ FlushUndoFile()

bool node::BlockManager::FlushUndoFile	(	int	block_file,
		bool	finalize = `false`
	)

private

Return false if undo file flushing fails.

Definition at line 740 of file blockstorage.cpp.

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◆ GetBlockFileInfo()

CBlockFileInfo * node::BlockManager::GetBlockFileInfo ( size_t n )

Get block file info entry for one block file.

Definition at line 665 of file blockstorage.cpp.

◆ GetBlockPosFilename()

fs::path node::BlockManager::GetBlockPosFilename ( const FlatFilePos & pos ) const

Translation to a filesystem path.

Definition at line 846 of file blockstorage.cpp.

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◆ GetConsensus()

const Consensus::Params& node::BlockManager::GetConsensus ( ) const

inlineprivate

Definition at line 143 of file blockstorage.h.

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◆ GetLastCheckpoint()

const CBlockIndex * node::BlockManager::GetLastCheckpoint ( const CCheckpointData & data )

Returns last CBlockIndex* that is a checkpoint.

Definition at line 578 of file blockstorage.cpp.

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◆ GetParams()

const CChainParams& node::BlockManager::GetParams ( ) const

inlineprivate

Definition at line 142 of file blockstorage.h.

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◆ GetPruneTarget()

uint64_t node::BlockManager::GetPruneTarget ( ) const

inline

Attempt to stay below this number of bytes of block files.

Definition at line 322 of file blockstorage.h.

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◆ GUARDED_BY() [1/4]

std::unordered_map<std::string, PruneLockInfo> m_prune_locks node::BlockManager::GUARDED_BY ( ::cs_main )

private

Map from external index name to oldest block that must not be pruned.

Note: Internally, only blocks at height (height_first - PRUNE_LOCK_BUFFER - 1) and below will be pruned, but callers should avoid assuming any particular buffer size.

◆ GUARDED_BY() [2/4]

std::unique_ptr<BlockTreeDB> m_block_tree_db node::BlockManager::GUARDED_BY ( ::cs_main )

◆ GUARDED_BY() [3/4]

std::array<std::optional<BlockfileCursor>, BlockfileType::NUM_TYPES> m_blockfile_cursors node::BlockManager::GUARDED_BY ( cs_LastBlockFile )

private

Since assumedvalid chainstates may be syncing a range of the chain that is very far away from the normal/background validation process, we should segment blockfiles for assumed chainstates.

Otherwise, we might have wildly different height ranges mixed into the same block files, which would impair our ability to prune effectively.

This data structure maintains separate blockfile number cursors for each BlockfileType. The ASSUMED state is initialized, when necessary, in FindBlockPos().

The first element is the NORMAL cursor, second is ASSUMED.

◆ GUARDED_BY() [4/4]

BlockMap m_block_index node::BlockManager::GUARDED_BY ( cs_main )

◆ InsertBlockIndex()

CBlockIndex * node::BlockManager::InsertBlockIndex ( const uint256 & hash )

Create a new block index entry for a given block hash.

Definition at line 381 of file blockstorage.cpp.

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◆ IsPruneMode()

bool node::BlockManager::IsPruneMode ( ) const

inline

Whether running in -prune mode.

Definition at line 319 of file blockstorage.h.

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◆ LoadBlockIndex()

bool node::BlockManager::LoadBlockIndex ( const std::optional< uint256 > & snapshot_blockhash )

private

Load the blocktree off disk and into memory.

Populate certain metadata per index entry (nStatus, nChainWork, nTimeMax, etc.) as well as peripheral collections like m_dirty_blockindex.

Definition at line 397 of file blockstorage.cpp.

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◆ LoadingBlocks()

bool node::BlockManager::LoadingBlocks ( ) const

inline

Definition at line 325 of file blockstorage.h.

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◆ LookupBlockIndex() [1/2]

const CBlockIndex * node::BlockManager::LookupBlockIndex ( const uint256 & hash ) const

Definition at line 197 of file blockstorage.cpp.

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◆ LookupBlockIndex() [2/2]

CBlockIndex * node::BlockManager::LookupBlockIndex ( const uint256 & hash )

Definition at line 190 of file blockstorage.cpp.

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◆ MaxBlockfileNum()

int node::BlockManager::MaxBlockfileNum ( ) const

inlineprivate

Definition at line 217 of file blockstorage.h.

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◆ OpenUndoFile()

AutoFile node::BlockManager::OpenUndoFile	(	const FlatFilePos &	pos,
		bool	fReadOnly = `false`
	)		const

private

Open an undo file (rev?????.dat)

Definition at line 841 of file blockstorage.cpp.

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◆ PruneOneBlockFile()

void node::BlockManager::PruneOneBlockFile ( const int fileNumber )

Mark one block file as pruned (modify associated database entries)

Definition at line 238 of file blockstorage.cpp.

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◆ ReadBlockFromDisk() [1/2]

bool node::BlockManager::ReadBlockFromDisk	(	CBlock &	block,
		const CBlockIndex &	index
	)		const

Definition at line 1073 of file blockstorage.cpp.

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◆ ReadBlockFromDisk() [2/2]

bool node::BlockManager::ReadBlockFromDisk	(	CBlock &	block,
		const FlatFilePos &	pos
	)		const

Functions for disk access for blocks.

Definition at line 1039 of file blockstorage.cpp.

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◆ ReadRawBlockFromDisk()

bool node::BlockManager::ReadRawBlockFromDisk	(	std::vector< uint8_t > &	block,
		const FlatFilePos &	pos
	)		const

Definition at line 1088 of file blockstorage.cpp.

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◆ UndoFileSeq()

FlatFileSeq node::BlockManager::UndoFileSeq ( ) const

private

Definition at line 830 of file blockstorage.cpp.

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◆ UndoReadFromDisk()

bool node::BlockManager::UndoReadFromDisk	(	CBlockUndo &	blockundo,
		const CBlockIndex &	index
	)		const

Definition at line 703 of file blockstorage.cpp.

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◆ UndoWriteToDisk()

bool node::BlockManager::UndoWriteToDisk	(	const CBlockUndo &	blockundo,
		FlatFilePos &	pos,
		const uint256 &	hashBlock
	)		const

private

Definition at line 672 of file blockstorage.cpp.

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◆ UnlinkPrunedFiles()

void node::BlockManager::UnlinkPrunedFiles ( const std::set< int > & setFilesToPrune ) const

Actually unlink the specified files.

Definition at line 812 of file blockstorage.cpp.

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◆ WriteBlockToDisk()

bool node::BlockManager::WriteBlockToDisk	(	const CBlock &	block,
		FlatFilePos &	pos
	)		const

private

Definition at line 972 of file blockstorage.cpp.

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Member Data Documentation

◆ AddToBlockIndex

CBlockIndex * node::BlockManager::AddToBlockIndex

Remove any pruned block & undo files that are still on disk.

This could happen on some systems if the file was still being read while unlinked, or if we crash before unlinking.

Definition at line 299 of file blockstorage.h.

◆ Chainstate

friend node::BlockManager::Chainstate

private

Definition at line 138 of file blockstorage.h.

◆ ChainstateManager

friend node::BlockManager::ChainstateManager

private

Definition at line 139 of file blockstorage.h.

◆ cs_LastBlockFile

RecursiveMutex node::BlockManager::cs_LastBlockFile

private

Definition at line 199 of file blockstorage.h.

◆ m_blockfile_info

std::vector<CBlockFileInfo> node::BlockManager::m_blockfile_info

private

Definition at line 200 of file blockstorage.h.

◆ m_blocks_unlinked

std::vector<CBlockIndex*> GetAllBlockIndices () EXCLUSIVE_LOCKS_REQUIRED( std::multimap<CBlockIndex*, CBlockIndex*> node::BlockManager::m_blocks_unlinked

All pairs A->B, where A (or one of its ancestors) misses transactions, but B has transactions.

Pruned nodes may have entries where B is missing data.

Definition at line 284 of file blockstorage.h.

◆ m_check_for_pruning

bool node::BlockManager::m_check_for_pruning = false

private

Global flag to indicate we should check to see if there are block/undo files that should be deleted.

Set on startup or if we allocate more file space when we're in prune mode

Definition at line 229 of file blockstorage.h.

◆ m_dirty_blockindex

std::set<CBlockIndex*> node::BlockManager::m_dirty_blockindex

private

Dirty block index entries.

Definition at line 234 of file blockstorage.h.

◆ m_dirty_fileinfo

std::set<int> node::BlockManager::m_dirty_fileinfo

private

Dirty block file entries.

Definition at line 237 of file blockstorage.h.

◆ m_have_pruned

bool CheckBlockDataAvailability (const CBlockIndex& upper_block LIFETIMEBOUND, const CBlockIndex& lower_block LIFETIMEBOUND) EXCLUSIVE_LOCKS_REQUIRED( const CBlockIndex* GetFirstStoredBlock (const CBlockIndex& start_block LIFETIMEBOUND, const CBlockIndex* lower_block=nullptr) EXCLUSIVE_LOCKS_REQUIRED( boo node::BlockManager::m_have_pruned) = false

Check if all blocks in the [upper_block, lower_block] range have data available.

The caller is responsible for ensuring that lower_block is an ancestor of upper_block (part of the same chain). Find the first stored ancestor of start_block immediately after the last pruned ancestor. Return value will never be null. Caller is responsible for ensuring that start_block has data is not pruned. True if any block files have ever been pruned.

Definition at line 344 of file blockstorage.h.

◆ m_importing

std::atomic<bool> node::BlockManager::m_importing {false}

Definition at line 260 of file blockstorage.h.

◆ m_interrupt

const util::SignalInterrupt& node::BlockManager::m_interrupt

Definition at line 259 of file blockstorage.h.

◆ m_opts

const kernel::BlockManagerOpts node::BlockManager::m_opts

private

Definition at line 249 of file blockstorage.h.

◆ m_prune_mode

const bool node::BlockManager::m_prune_mode

private

Definition at line 231 of file blockstorage.h.

◆ m_snapshot_height

std::optional<int> node::BlockManager::m_snapshot_height

The height of the base block of an assumeutxo snapshot, if one is in use.

This controls how blockfiles are segmented by chainstate type to avoid comingling different height regions of the chain when an assumedvalid chainstate is in use. If heights are drastically different in the same blockfile, pruning suffers.

This is set during ActivateSnapshot() or upon LoadBlockIndex() if a snapshot had been previously loaded. After the snapshot is validated, this is unset to restore normal LoadBlockIndex behavior.

Definition at line 276 of file blockstorage.h.

◆ OpenBlockFile

AutoFile node::BlockManager::OpenBlockFile

Check whether the block associated with this index entry is pruned or not.

Create or update a prune lock identified by its name Open a block file (blk?????.dat)

Definition at line 353 of file blockstorage.h.

◆ PRUNE_TARGET_MANUAL

constexpr auto node::BlockManager::PRUNE_TARGET_MANUAL {std::numeric_limits<uint64_t>::max()}

staticconstexpr

Definition at line 323 of file blockstorage.h.

◆ SaveBlockToDisk

FlatFilePos node::BlockManager::SaveBlockToDisk

Store block on disk.

If dbp is not nullptr, then it provides the known position of the block within a block file on disk.

Definition at line 316 of file blockstorage.h.

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

src/node/blockstorage.h
src/node/blockstorage.cpp

Public Types

Public Member Functions

Public Attributes

Static Public Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ Options

Constructor & Destructor Documentation

◆ BlockManager()

Member Function Documentation

◆ BlockFileSeq()

◆ BlockfileTypeForHeight()

◆ CalculateCurrentUsage()

◆ CleanupBlockRevFiles()

◆ FindBlockPos()

◆ FindFilesToPrune()

◆ FindFilesToPruneManual()

◆ FindUndoPos()

◆ FlushBlockFile()

◆ FlushChainstateBlockFile()

◆ FlushUndoFile()

◆ GetBlockFileInfo()

◆ GetBlockPosFilename()

◆ GetConsensus()

◆ GetLastCheckpoint()

◆ GetParams()

◆ GetPruneTarget()

◆ GUARDED_BY() [1/4]

◆ GUARDED_BY() [2/4]

◆ GUARDED_BY() [3/4]

◆ GUARDED_BY() [4/4]

◆ InsertBlockIndex()

◆ IsPruneMode()

◆ LoadBlockIndex()

◆ LoadingBlocks()

◆ LookupBlockIndex() [1/2]

◆ LookupBlockIndex() [2/2]

◆ MaxBlockfileNum()

◆ OpenUndoFile()

◆ PruneOneBlockFile()

◆ ReadBlockFromDisk() [1/2]

◆ ReadBlockFromDisk() [2/2]

◆ ReadRawBlockFromDisk()

◆ UndoFileSeq()

◆ UndoReadFromDisk()

◆ UndoWriteToDisk()

◆ UnlinkPrunedFiles()

◆ WriteBlockToDisk()

Member Data Documentation

◆ AddToBlockIndex

◆ Chainstate

◆ ChainstateManager

◆ cs_LastBlockFile

◆ m_blockfile_info

◆ m_blocks_unlinked

◆ m_check_for_pruning

◆ m_dirty_blockindex

◆ m_dirty_fileinfo

◆ m_have_pruned

◆ m_importing

◆ m_interrupt

◆ m_opts

◆ m_prune_mode

◆ m_snapshot_height

◆ OpenBlockFile

◆ PRUNE_TARGET_MANUAL

◆ SaveBlockToDisk