CDBWrapper

Synopsis

Declared in <dbwrapper.h>

class CDBWrapper;

Name	Description
`CDBWrapper` [constructor]	Constructors
`~CDBWrapper` [destructor]	Closes the database and releases its resources.
`operator=` [deleted]	Copy assignment is disabled.
`CompactFull`	Perform a blocking full compaction of the underlying LevelDB.
`DynamicMemoryUsage`	Get an estimate of LevelDB memory usage (in bytes).
`Erase`	Removes the value stored under the given key.
`EstimateSize`	Estimates the on-disk size of the entries in the given key range.
`Exists`	Checks whether a value is stored under the given key.
`GetProperty`	Return a LevelDB property value, if available.
`IsEmpty`	Return true if the database managed by this class contains no entries.
`NewIterator`	Creates a new iterator over the database. The caller owns the returned iterator.
`Read`	Reads and de-obfuscates the value stored under the given key.
`Write`	Writes a single key-value pair to the database.
`WriteBatch`	Atomically applies all writes and erases queued in a batch.

Name	Description
`HasKeyStartingWith`	Probe an unopened database for a key prefix. Return true if a database at path exists and contains at least 1 entry beginning with prefix; missing or empty databases return false, and database errors throw dbwrapper_error.

Name	Description
`dbwrapper_private::GetObfuscation`	Work around circular dependency, as well as for testing in dbwrapper_tests. Database obfuscation should be considered an implementation detail of the specific database.

Name	Description
`index_util::LookUpOne`	Look up a single index entry for a block, trying the height index then the hash index.

Name	Description
`BlockTreeDB`	Access to the block database (blocks/index/)
`DB`	The database stores a block locator of the chain the database is synced to so that the index can efficiently determine the point it last stopped at. A locator is used instead of a simple hash of the chain tip because blocks and block index entries may not be flushed to disk until after this database is updated.