CBlockTreeDB Class Reference

Access to the block database (blocks/index/) More...

#include <txdb.h>

Inheritance diagram for CBlockTreeDB:

Collaboration diagram for CBlockTreeDB:

Public Member Functions
	CBlockTreeDB (size_t nCacheSize, bool fMemory=false, bool fWipe=false)
	CBlockTreeDB (const CBlockTreeDB &)=delete
CBlockTreeDB &	operator= (const CBlockTreeDB &)=delete
bool	WriteBatchSync (const std::vector< std::pair< int, const CBlockFileInfo *> > &fileInfo, int nLastFile, const std::vector< const CBlockIndex *> &blockinfo)
bool	ReadBlockFileInfo (int nFile, CBlockFileInfo &info)
bool	ReadLastBlockFile (int &nFile)
bool	WriteReindexing (bool fReindexing)
bool	ReadReindexing (bool &fReindexing)
bool	HasTxIndex (const uint256 &txid)
bool	ReadTxIndex (const uint256 &txid, CDiskTxPos &pos)
bool	WriteTxIndex (const std::vector< std::pair< uint256, CDiskTxPos > > &vect)
bool	ReadSpentIndex (CSpentIndexKey &key, CSpentIndexValue &value)
bool	UpdateSpentIndex (const std::vector< std::pair< CSpentIndexKey, CSpentIndexValue > > &vect)
bool	UpdateAddressUnspentIndex (const std::vector< std::pair< CAddressUnspentKey, CAddressUnspentValue > > &vect)
bool	ReadAddressUnspentIndex (uint160 addressHash, int type, std::vector< std::pair< CAddressUnspentKey, CAddressUnspentValue > > &vect)
bool	WriteAddressIndex (const std::vector< std::pair< CAddressIndexKey, CAmount > > &vect)
bool	EraseAddressIndex (const std::vector< std::pair< CAddressIndexKey, CAmount > > &vect)
bool	ReadAddressIndex (uint160 addressHash, int type, std::vector< std::pair< CAddressIndexKey, CAmount > > &addressIndex, int start=0, int end=0)
bool	WriteTimestampIndex (const CTimestampIndexKey &timestampIndex)
bool	ReadTimestampIndex (const unsigned int &high, const unsigned int &low, std::vector< uint256 > &vect)
bool	WriteFlag (const std::string &name, bool fValue)
bool	ReadFlag (const std::string &name, bool &fValue)
bool	LoadBlockIndexGuts (const Consensus::Params &consensusParams, std::function< CBlockIndex *(const uint256 &)> insertBlockIndex)
Public Member Functions inherited from CDBWrapper
	CDBWrapper (const fs::path &path, size_t nCacheSize, bool fMemory=false, bool fWipe=false, bool obfuscate=false)
	~CDBWrapper ()
template<typename K >
bool	ReadDataStream (const K &key, CDataStream &ssValue) const
bool	ReadDataStream (const CDataStream &ssKey, CDataStream &ssValue) const
template<typename K , typename V >
bool	Read (const K &key, V &value) const
template<typename V >
bool	Read (const CDataStream &ssKey, V &value) const
template<typename K , typename V >
bool	Write (const K &key, const V &value, bool fSync=false)
template<typename K >
bool	Exists (const K &key) const
bool	Exists (const CDataStream &key) const
template<typename K >
bool	Erase (const K &key, bool fSync=false)
bool	WriteBatch (CDBBatch &batch, bool fSync=false)
bool	Flush ()
bool	Sync ()
CDBIterator *	NewIterator ()
bool	IsEmpty ()
	Return true if the database managed by this class contains no entries. More...
template<typename K >
size_t	EstimateSize (const K &key_begin, const K &key_end) const
template<typename K >
void	CompactRange (const K &key_begin, const K &key_end) const
	Compact a certain range of keys in the database. More...
void	CompactFull () const

Private Attributes
CCriticalSection	cs
unordered_limitedmap< uint256, bool >	mapHasTxIndexCache

Detailed Description

Access to the block database (blocks/index/)

Definition at line 114 of file txdb.h.

Constructor & Destructor Documentation

CBlockTreeDB() [1/2]

CBlockTreeDB::CBlockTreeDB ( size_t  nCacheSize, bool  fMemory = false, bool  fWipe = false  )

explicit

Definition at line 154 of file txdb.cpp.

CBlockTreeDB() [2/2]

CBlockTreeDB::CBlockTreeDB ( const CBlockTreeDB &  )

delete

Member Function Documentation

EraseAddressIndex()

bool CBlockTreeDB::EraseAddressIndex

(

const std::vector< std::pair< CAddressIndexKey, CAmount > > &

vect

)

Definition at line 337 of file txdb.cpp.

References DB_ADDRESSINDEX, CDBBatch::Erase(), and CDBWrapper::WriteBatch().

HasTxIndex()

bool CBlockTreeDB::HasTxIndex

(

const uint256 &

txid

)

Definition at line 243 of file txdb.cpp.

References cs, DB_TXINDEX, unordered_limitedmap< K, V, Hash >::end(), CDBWrapper::Exists(), unordered_limitedmap< K, V, Hash >::find(), unordered_limitedmap< K, V, Hash >::insert(), LOCK, and mapHasTxIndexCache.

LoadBlockIndexGuts()

bool CBlockTreeDB::LoadBlockIndexGuts	(	const Consensus::Params &	consensusParams,
		std::function< CBlockIndex *(const uint256 &)>	insertBlockIndex
	)

Definition at line 416 of file txdb.cpp.

References CheckProofOfWork(), DB_BLOCK_INDEX, error(), CBlockIndex::GetBlockHash(), CDiskBlockIndex::GetBlockHash(), CBlockIndex::hashMerkleRoot, CDiskBlockIndex::hashPrev, CBlockIndex::nBits, CBlockIndex::nDataPos, CDBWrapper::NewIterator(), CBlockIndex::nFile, CBlockIndex::nHeight, CBlockIndex::nNonce, CBlockIndex::nStatus, CBlockIndex::nTime, CBlockIndex::nTx, CBlockIndex::nUndoPos, CBlockIndex::nVersion, CBlockIndex::pprev, and CBlockIndex::ToString().

Referenced by CChainState::LoadBlockIndex().

operator=()

CBlockTreeDB& CBlockTreeDB::operator= ( const CBlockTreeDB &  )

delete

ReadAddressIndex()

bool CBlockTreeDB::ReadAddressIndex	(	uint160	addressHash,
		int	type,
		std::vector< std::pair< CAddressIndexKey, CAmount > > &	addressIndex,
		int	start = 0,
		int	end = 0
	)

Definition at line 344 of file txdb.cpp.

References DB_ADDRESSINDEX, error(), and CDBWrapper::NewIterator().

ReadAddressUnspentIndex()

bool CBlockTreeDB::ReadAddressUnspentIndex	(	uint160	addressHash,
		int	type,
		std::vector< std::pair< CAddressUnspentKey, CAddressUnspentValue > > &	vect
	)

Definition at line 304 of file txdb.cpp.

References DB_ADDRESSUNSPENTINDEX, error(), and CDBWrapper::NewIterator().

ReadBlockFileInfo()

bool CBlockTreeDB::ReadBlockFileInfo	(	int	nFile,
		CBlockFileInfo &	info
	)

Definition at line 157 of file txdb.cpp.

References DB_BLOCK_FILES, and CDBWrapper::Read().

ReadFlag()

bool CBlockTreeDB::ReadFlag	(	const std::string &	name,
		bool &	fValue
	)

Definition at line 408 of file txdb.cpp.

References DB_FLAG, name, and CDBWrapper::Read().

ReadLastBlockFile()

bool CBlockTreeDB::ReadLastBlockFile

(

int &

nFile

)

Definition at line 173 of file txdb.cpp.

References DB_LAST_BLOCK, and CDBWrapper::Read().

ReadReindexing()

bool CBlockTreeDB::ReadReindexing

(

bool &

fReindexing

)

Definition at line 168 of file txdb.cpp.

References DB_REINDEX_FLAG, and CDBWrapper::Exists().

ReadSpentIndex()

bool CBlockTreeDB::ReadSpentIndex	(	CSpentIndexKey &	key,
		CSpentIndexValue &	value
	)

Definition at line 276 of file txdb.cpp.

References DB_SPENTINDEX, and CDBWrapper::Read().

ReadTimestampIndex()

bool CBlockTreeDB::ReadTimestampIndex	(	const unsigned int &	high,
		const unsigned int &	low,
		std::vector< uint256 > &	vect
	)

Definition at line 384 of file txdb.cpp.

References DB_TIMESTAMPINDEX, high, low, and CDBWrapper::NewIterator().

ReadTxIndex()

bool CBlockTreeDB::ReadTxIndex	(	const uint256 &	txid,
		CDiskTxPos &	pos
	)

Definition at line 257 of file txdb.cpp.

References cs, DB_TXINDEX, unordered_limitedmap< K, V, Hash >::insert_or_update(), LOCK, mapHasTxIndexCache, and CDBWrapper::Read().

UpdateAddressUnspentIndex()

bool CBlockTreeDB::UpdateAddressUnspentIndex

(

const std::vector< std::pair< CAddressUnspentKey, CAddressUnspentValue > > &

vect

)

Definition at line 292 of file txdb.cpp.

References DB_ADDRESSUNSPENTINDEX, CDBBatch::Erase(), CDBBatch::Write(), and CDBWrapper::WriteBatch().

UpdateSpentIndex()

bool CBlockTreeDB::UpdateSpentIndex

(

const std::vector< std::pair< CSpentIndexKey, CSpentIndexValue > > &

vect

)

Definition at line 280 of file txdb.cpp.

References DB_SPENTINDEX, CDBBatch::Erase(), CDBBatch::Write(), and CDBWrapper::WriteBatch().

WriteAddressIndex()

bool CBlockTreeDB::WriteAddressIndex

(

const std::vector< std::pair< CAddressIndexKey, CAmount > > &

vect

)

Definition at line 330 of file txdb.cpp.

References DB_ADDRESSINDEX, CDBBatch::Write(), and CDBWrapper::WriteBatch().

WriteBatchSync()

bool CBlockTreeDB::WriteBatchSync	(	const std::vector< std::pair< int, const CBlockFileInfo *> > &	fileInfo,
		int	nLastFile,
		const std::vector< const CBlockIndex *> &	blockinfo
	)

Definition at line 231 of file txdb.cpp.

References DB_BLOCK_FILES, DB_BLOCK_INDEX, DB_LAST_BLOCK, CDBBatch::Write(), and CDBWrapper::WriteBatch().

WriteFlag()

bool CBlockTreeDB::WriteFlag	(	const std::string &	name,
		bool	fValue
	)

Definition at line 404 of file txdb.cpp.

References DB_FLAG, name, and CDBWrapper::Write().

WriteReindexing()

bool CBlockTreeDB::WriteReindexing

(

bool

fReindexing

)

Definition at line 161 of file txdb.cpp.

References DB_REINDEX_FLAG, CDBWrapper::Erase(), and CDBWrapper::Write().

WriteTimestampIndex()

bool CBlockTreeDB::WriteTimestampIndex

(

const CTimestampIndexKey &

timestampIndex

)

Definition at line 378 of file txdb.cpp.

References DB_TIMESTAMPINDEX, CDBBatch::Write(), and CDBWrapper::WriteBatch().

WriteTxIndex()

bool CBlockTreeDB::WriteTxIndex

(

const std::vector< std::pair< uint256, CDiskTxPos > > &

vect

)

Definition at line 264 of file txdb.cpp.

References cs, DB_TXINDEX, unordered_limitedmap< K, V, Hash >::insert_or_update(), LOCK, mapHasTxIndexCache, CDBBatch::Write(), and CDBWrapper::WriteBatch().

Member Data Documentation

cs

CCriticalSection CBlockTreeDB::cs

private

Definition at line 117 of file txdb.h.

Referenced by HasTxIndex(), ReadTxIndex(), and WriteTxIndex().

mapHasTxIndexCache

unordered_limitedmap<uint256, bool> CBlockTreeDB::mapHasTxIndexCache

private

Definition at line 118 of file txdb.h.

Referenced by HasTxIndex(), ReadTxIndex(), and WriteTxIndex().

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

• src/txdb.h
• src/txdb.cpp