Bitcoin Core  22.99.0
P2P Digital Currency
Public Member Functions | List of all members
TxIndex::DB Class Reference

Access to the txindex database (indexes/txindex/) More...

Inheritance diagram for TxIndex::DB:
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Collaboration diagram for TxIndex::DB:
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Public Member Functions

 DB (size_t n_cache_size, bool f_memory=false, bool f_wipe=false)
 
bool ReadTxPos (const uint256 &txid, CDiskTxPos &pos) const
 Read the disk location of the transaction data with the given hash. More...
 
bool WriteTxs (const std::vector< std::pair< uint256, CDiskTxPos >> &v_pos)
 Write a batch of transaction positions to the DB. More...
 
- Public Member Functions inherited from BaseIndex::DB
 DB (const fs::path &path, size_t n_cache_size, bool f_memory=false, bool f_wipe=false, bool f_obfuscate=false)
 
bool ReadBestBlock (CBlockLocator &locator) const
 Read block locator of the chain that the txindex is in sync with. More...
 
void WriteBestBlock (CDBBatch &batch, const CBlockLocator &locator)
 Write block locator of the chain that the txindex is in sync with. More...
 
- Public Member Functions inherited from CDBWrapper
 CDBWrapper (const fs::path &path, size_t nCacheSize, bool fMemory=false, bool fWipe=false, bool obfuscate=false)
 
 ~CDBWrapper ()
 
 CDBWrapper (const CDBWrapper &)=delete
 
CDBWrapperoperator= (const CDBWrapper &)=delete
 
template<typename K , typename V >
bool Read (const K &key, 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
 
template<typename K >
bool Erase (const K &key, bool fSync=false)
 
bool WriteBatch (CDBBatch &batch, bool fSync=false)
 
size_t DynamicMemoryUsage () const
 
CDBIteratorNewIterator ()
 
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...
 

Detailed Description

Access to the txindex database (indexes/txindex/)

Definition at line 18 of file txindex.cpp.

Constructor & Destructor Documentation

◆ DB()

TxIndex::DB::DB ( size_t  n_cache_size,
bool  f_memory = false,
bool  f_wipe = false 
)
explicit

Definition at line 31 of file txindex.cpp.

Member Function Documentation

◆ ReadTxPos()

bool TxIndex::DB::ReadTxPos ( const uint256 txid,
CDiskTxPos pos 
) const

Read the disk location of the transaction data with the given hash.

Returns false if the transaction hash is not indexed.

Definition at line 35 of file txindex.cpp.

◆ WriteTxs()

bool TxIndex::DB::WriteTxs ( const std::vector< std::pair< uint256, CDiskTxPos >> &  v_pos)

Write a batch of transaction positions to the DB.

Definition at line 40 of file txindex.cpp.

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