Struct Database

pub struct Database { /* private fields */ }

Threadsafe API for blooms database.

Warning

This database does not guarantee atomic writes.

Implementations

impl Database

pub fn open<P>(path: P) -> Result<Database>

where P: AsRef<Path>,

Creates new database handle.

Arguments

• path - database directory

pub fn close(&self) -> Result<()>

Closes the inner database

pub fn reopen(&self) -> Result<()>

Reopens database at the same location.

pub fn insert_blooms<'a, I, B>(&self, from: u64, blooms: I) -> Result<()>

where BloomRef<'a>: From<B>, I: Iterator<Item = B>,

Inserts one or more blooms into database.

Arguments

• from - index of the first bloom that needs to be inserted
• blooms - iterator over blooms

pub fn filter<'a, B, I, II>( &self, from: u64, to: u64, blooms: II, ) -> Result<Vec<u64>>

where BloomRef<'a>: From<B>, II: IntoIterator<Item = B, IntoIter = I> + Copy, I: Iterator<Item = B>,

Returns indexes of all headers matching given bloom in a specified range.

Arguments

• from - index of the first bloom that needs to be checked
• to - index of the last bloom that needs to be checked (inclusive range)
• blooms - searched pattern