Struct Storage 

pub struct Storage {
    pub db: Db,
    /* private fields */
}

A inkpad storage implementation using sled

Fields

db: Db

Implementations

impl Storage

pub fn new() -> Result<Self>

New storage

pub fn rt(&mut self, contract: &str) -> Result<Runtime>

Contract instance

• From path of *.contract
• From name of *.contract
• From code_hash of *.contract

Trait Implementations

impl Cache<Memory> for Storage

fn flush(&mut self) -> Option<()>

Flush data

fn frame(&self) -> &Vec<Rc<RefCell<State<Memory>>>>

Get frame

fn frame_mut(&mut self) -> &mut Vec<Rc<RefCell<State<Memory>>>>

Get frame mut

fn memory(&self) -> Option<Memory>

Memory

impl Clone for Storage

fn clone(&self) -> Storage

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Frame<Memory> for Storage

fn active(&self) -> Option<[u8; 32]>

fn active_set(&self, key: [u8; 32], value: Vec<u8>) -> Option<Vec<u8>>

fn active_get(&self, key: &[u8]) -> Option<Vec<u8>>

fn push(&mut self, code_hash: [u8; 32], memory: Memory)

fn switch(&mut self, code_hash: [u8; 32]) -> Option<()>

fn back(&mut self) -> Option<()>

fn top(&mut self) -> Option<()>

impl Storage for Storage

fn set(&mut self, key: Vec<u8>, value: Vec<u8>) -> Option<Vec<u8>>

set K for V

fn remove(&mut self, key: &[u8]) -> Option<Vec<u8>>

Remove a key

fn get(&self, key: &[u8]) -> Option<Vec<u8>>

get V by K