Trait frame_support::traits::StorageInstance[−][src]

pub trait StorageInstance {
    const STORAGE_PREFIX: &'static str;

    fn pallet_prefix() -> &'static str;
}

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[src]

Prefix given to a storage to isolate from other storages in the pallet.

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Required methods

fn pallet_prefix() -> &'static str[src]

Prefix of a pallet to isolate it from other pallets.

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Implementors

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