Struct cita_vm::DataProvider

pub struct DataProvider<B> { /* private fields */ }

An implemention for evm::DataProvider

Implementations

impl<B: DB> DataProvider<B>

pub fn new( b: Arc<dyn BlockDataProvider>, s: Arc<RefCell<State<B>>>, store: Arc<RefCell<Store>> ) -> Self

Create a new instance. It’s obvious.

Trait Implementations

impl<B: DB + 'static> DataProvider for DataProvider<B>

fn get_balance(&self, address: &Address) -> U256

fn add_refund(&mut self, address: &Address, n: u64)

fn sub_refund(&mut self, address: &Address, n: u64)

fn get_refund(&self, address: &Address) -> u64

fn get_code_size(&self, address: &Address) -> u64

fn get_code(&self, address: &Address) -> Vec<u8>

fn get_code_hash(&self, address: &Address) -> H256

fn get_block_hash(&self, number: &U256) -> H256

fn get_storage(&self, address: &Address, key: &H256) -> H256

fn set_storage(&mut self, address: &Address, key: H256, value: H256)

fn get_storage_origin(&self, address: &Address, key: &H256) -> H256

fn set_storage_origin(&mut self, _address: &Address, _key: H256, _value: H256)

fn selfdestruct(&mut self, address: &Address, refund_to: &Address) -> bool

fn sha3(&self, data: &[u8]) -> H256

fn is_empty(&self, address: &Address) -> bool

fn exist(&self, address: &Address) -> bool

fn call( &self, opcode: OpCode, params: InterpreterParams ) -> Result<InterpreterResult, Error>