Trait StorageMap

pub trait StorageMap {
    type KEY: Decode + Encode;
    type VALUE: Decode;

    const PALLET_NAME: &str;
    const STORAGE_NAME: &str;
    const KEY_HASHER: StorageHasher;

    // Provided methods
    fn encode_partial_key() -> [u8; 32] { ... }
    fn hex_encode_partial_key() -> String { ... }
    fn encode_storage_key(key: Self::KEY) -> Vec<u8>  { ... }
    fn hex_encode_storage_key(key: Self::KEY) -> String { ... }
    fn decode_storage_key(value: &mut &[u8]) -> Result<Self::KEY, Error> { ... }
    fn decode_storage_value(value: &mut &[u8]) -> Result<Self::VALUE, Error> { ... }
}

Required Associated Constants

const PALLET_NAME: &str

const STORAGE_NAME: &str

const KEY_HASHER: StorageHasher

Required Associated Types

type KEY: Decode + Encode

type VALUE: Decode

Provided Methods

fn encode_partial_key() -> [u8; 32]

fn hex_encode_partial_key() -> String

fn encode_storage_key(key: Self::KEY) -> Vec<u8>

fn hex_encode_storage_key(key: Self::KEY) -> String

fn decode_storage_key(value: &mut &[u8]) -> Result<Self::KEY, Error>

fn decode_storage_value(value: &mut &[u8]) -> Result<Self::VALUE, Error>

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors