Trait trie_db::TrieRecorder
source · [−]pub trait TrieRecorder<H> {
fn record<'a>(&mut self, access: TrieAccess<'a, H>);
fn trie_nodes_recorded_for_key(&self, key: &[u8]) -> RecordedForKey;
}Expand description
A trie recorder that can be used to record all kind of TrieAccess’s.
To build a trie proof a recorder is required that records all trie accesses. These recorded trie accesses can then be used to create the proof.
Required Methods
fn record<'a>(&mut self, access: TrieAccess<'a, H>)
fn record<'a>(&mut self, access: TrieAccess<'a, H>)
Record the given TrieAccess.
Depending on the TrieAccess a call of Self::trie_nodes_recorded_for_key afterwards
must return the correct recorded state.
fn trie_nodes_recorded_for_key(&self, key: &[u8]) -> RecordedForKey
fn trie_nodes_recorded_for_key(&self, key: &[u8]) -> RecordedForKey
Check if we have recorded any trie nodes for the given key.
Returns RecordedForKey to express the state of the recorded trie nodes.