Struct sp_trie::Recorder

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

Various re-exports from the trie-db crate. Records trie nodes as they pass it.

Implementations

impl<HO> Recorder<HO> where
    HO: Copy, 

Various re-exports from the trie-db crate.

pub fn new() -> Recorder<HO>

Create a new Recorder which records all given nodes.

pub fn with_depth(depth: u32) -> Recorder<HO>

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 for Recorder<HO> where
    HO: Debug, 

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

Formats the value using the given formatter.

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

fn default() -> Recorder<HO>

Returns the "default value" for a type.

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

type Item = Vec<u8>

Output item.

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

Decode a byte-slice into the desired item.

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

Record that a node has been passed through.