Trait DoubleKeyTransientMapping

pub trait DoubleKeyTransientMapping {
    type Key1: Asm;
    type Key2: Asm;
    type Value: TransientStorageValue;

    const STORAGE_SLOT: i32;

    // Required method
    fn storage_key(key1: Self::Key1, key2: Self::Key2) -> [u8; 32];

    // Provided methods
    fn get(key1: Self::Key1, key2: Self::Key2) -> Self::Value { ... }
    fn set(key1: Self::Key1, key2: Self::Key2, value: Self::Value) { ... }
}

Transient storage mapping interface

Required Associated Constants

const STORAGE_SLOT: i32

Required Associated Types

type Key1: Asm

type Key2: Asm

type Value: TransientStorageValue

Required Methods

fn storage_key(key1: Self::Key1, key2: Self::Key2) -> [u8; 32]

Provided Methods

fn get(key1: Self::Key1, key2: Self::Key2) -> Self::Value

Get value from transient storage key.

fn set(key1: Self::Key1, key2: Self::Key2, value: Self::Value)

Set key and value in transient storage

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