Trait revm::Host

source[−]
pub trait Host {
    type DB: Database;

    const INSPECT: bool;

Show 14 methods
    fn step(&mut self, machine: &mut Machine, is_static: bool) -> Return;

    fn step_end(&mut self, ret: Return, machine: &mut Machine) -> Return;

    fn env(&mut self) -> &mut Env;

    fn load_account(&mut self, address: H160) -> (bool, bool);

    fn block_hash(&mut self, number: U256) -> H256;

    fn balance(&mut self, address: H160) -> (U256, bool);

    fn code(&mut self, address: H160) -> (Bytes, bool);

    fn code_hash(&mut self, address: H160) -> (H256, bool);

    fn sload(&mut self, address: H160, index: U256) -> (U256, bool);

    fn sstore(
        &mut self, 
        address: H160, 
        index: U256, 
        value: U256
    ) -> (U256, U256, U256, bool);

    fn log(&mut self, address: H160, topics: Vec<H256>, data: Bytes);

    fn selfdestruct(
        &mut self, 
        address: H160, 
        target: H160
    ) -> SelfDestructResult;

    fn create<SPEC: Spec>(
        &mut self, 
        caller: H160, 
        scheme: CreateScheme, 
        value: U256, 
        init_code: Bytes, 
        gas: u64
    ) -> (Return, Option<H160>, Gas, Bytes);

    fn call<SPEC: Spec>(
        &mut self, 
        code_address: H160, 
        transfer: Transfer, 
        input: Bytes, 
        gas: u64, 
        context: CallContext
    ) -> (Return, Gas, Bytes);

}
Expand description

EVM context host.

Associated Types

Associated Constants

Required methods

load account. Returns (is_cold,is_new_account)

Get environmental block hash.

Get balance of address.

Get code of address.

Get code hash of address.

Get storage value of address at index.

Set storage value of address at index. Return if slot is cold/hot access.

Create a log owned by address with given topics and data.

Mark an address to be deleted, with funds transferred to target.

Invoke a create operation.

Invoke a call operation.

Implementors