Struct trie_db::recorder::Recorder

pub struct Recorder<HO> { /* fields omitted */ }

Records trie nodes as they pass it.

Implementations

impl<HO: Copy> Recorder<HO>

pub fn new() -> Self

Create a new Recorder which records all given nodes.

pub fn with_depth(depth: u32) -> Self

Create a Recorder which only records nodes beyond a given depth.

pub fn record(&mut self, hash: &HO, data: &[u8], depth: u32)

Record a visited node, given its hash, data, and depth.

pub fn drain(&mut self) -> Vec<Record<HO>>

Drain all visited records.

Trait Implementations

impl<HO: Debug> Debug for Recorder<HO>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<HO: Copy> Default for Recorder<HO>

fn default() -> Self

Returns the “default value” for a type.

impl<'a, H: Hasher> Query<H> for &'a mut Recorder<H::Out>

type Item = DBValue

Output item.

fn decode(self, value: &[u8]) -> DBValue

Decode a byte-slice into the desired item.

fn record(&mut self, hash: &H::Out, data: &[u8], depth: u32)

Record that a node has been passed through.