Trait frame_support::traits::StorageInstance [−][src]
pub trait StorageInstance { const STORAGE_PREFIX: &'static str; fn pallet_prefix() -> &'static str; }
Expand description
An instance of a storage in a pallet.
Define an instance for an individual storage inside a pallet. The pallet prefix is used to isolate the storage between pallets, and the storage prefix is used to isolate storages inside a pallet.
NOTE: These information can be used to define storages in pallet such as a StorageMap
which
can use keys after twox_128(pallet_prefix())++twox_128(STORAGE_PREFIX)
Associated Constants
const STORAGE_PREFIX: &'static str
const STORAGE_PREFIX: &'static str
Prefix given to a storage to isolate from other storages in the pallet.
Required methods
fn pallet_prefix() -> &'static str
fn pallet_prefix() -> &'static str
Prefix of a pallet to isolate it from other pallets.