Trait sc_client_api::backend::AuxStore
source · [−]pub trait AuxStore {
fn insert_aux<'a, 'b: 'a, 'c: 'a, I: IntoIterator<Item = &'a (&'c [u8], &'c [u8])>, D: IntoIterator<Item = &'a &'b [u8]>>(
&self,
insert: I,
delete: D
) -> Result<()>;
fn get_aux(&self, key: &[u8]) -> Result<Option<Vec<u8>>>;
}Expand description
Provides access to an auxiliary database.
Required methods
Insert auxiliary data into key-value store.
Deletions occur after insertions.