Trait near_sdk::store::key::ToKey

pub trait ToKey: Sealed {
    type KeyType: AsRef<[u8]>;

    fn to_key<Q: ?Sized>(
        prefix: &[u8],
        key: &Q,
        buffer: &mut Vec<u8>
    ) -> Self::KeyType
    where
        Q: BorshSerialize;
}

Trait used to generate keys to store data based on a serializable structure.

Required Associated Types

type KeyType: AsRef<[u8]>

Output type for the generated lookup key.

Required Methods

fn to_key<Q: ?Sized>(
    prefix: &[u8],
    key: &Q,
    buffer: &mut Vec<u8>
) -> Self::KeyTypewhere
    Q: BorshSerialize,

Implementors

impl ToKey for Identity

type KeyType = Vec<u8, Global>

impl ToKey for Keccak256

type KeyType = [u8; 32]

impl ToKey for Sha256

type KeyType = [u8; 32]