Trait ethcore::machine::Machine

pub trait Machine: Send + Sync {
    type EngineClient: ?Sized;
    type Error;
    fn balance(
        &self, 
        live: &ExecutedBlock, 
        address: &Address
    ) -> Result<U256, Self::Error>;
    fn add_balance(
        &self, 
        live: &mut ExecutedBlock, 
        address: &Address, 
        amount: &U256
    ) -> Result<(), Self::Error>;
}

Generalization of types surrounding blockchain-suitable state machines.

Associated Types

type EngineClient: ?Sized

A handle to a blockchain client for this machine.

type Error

Errors which can occur when querying or interacting with the machine.

Required methods

fn balance(
    &self,
    live: &ExecutedBlock,
    address: &Address
) -> Result<U256, Self::Error>

Get the balance, in base units, associated with an account. Extracts data from the live block.

fn add_balance(
    &self,
    live: &mut ExecutedBlock,
    address: &Address,
    amount: &U256
) -> Result<(), Self::Error>

Increment the balance of an account in the state of the live block.

Implementors

impl Machine for EthereumMachine

type EngineClient = dyn EngineClient

type Error = Error