Trait Database

pub trait Database {
    type Error;

    // Required methods
    fn basic(
        &mut self,
        address: Address,
    ) -> Result<Option<AccountInfo>, Self::Error>;
    fn code_by_hash(&mut self, code_hash: B256) -> Result<Bytecode, Self::Error>;
    fn storage(
        &mut self,
        address: Address,
        index: U256,
    ) -> Result<U256, Self::Error>;
    fn block_hash(&mut self, number: u64) -> Result<B256, Self::Error>;
}

EVM database interface.

Required Associated Types

type Error

The database error type.

Required Methods

fn basic( &mut self, address: Address, ) -> Result<Option<AccountInfo>, Self::Error>

Get basic account information.

fn code_by_hash(&mut self, code_hash: B256) -> Result<Bytecode, Self::Error>

Get account code by its hash.

fn storage( &mut self, address: Address, index: U256, ) -> Result<U256, Self::Error>

Get storage value of address at index.

fn block_hash(&mut self, number: u64) -> Result<B256, Self::Error>

Get block hash by block number.

Implementations on Foreign Types

impl<'a, T: 'a + Database + ?Sized> Database for &'a mut T

type Error = <T as Database>::Error

fn basic( &mut self, address: Address, ) -> Result<Option<AccountInfo>, Self::Error>

fn code_by_hash(&mut self, code_hash: B256) -> Result<Bytecode, Self::Error>

fn storage( &mut self, address: Address, index: U256, ) -> Result<U256, Self::Error>

fn block_hash(&mut self, number: u64) -> Result<B256, Self::Error>

impl<T: Database + ?Sized> Database for Box<T>

type Error = <T as Database>::Error

fn basic( &mut self, address: Address, ) -> Result<Option<AccountInfo>, Self::Error>

fn code_by_hash(&mut self, code_hash: B256) -> Result<Bytecode, Self::Error>

fn storage( &mut self, address: Address, index: U256, ) -> Result<U256, Self::Error>

fn block_hash(&mut self, number: u64) -> Result<B256, Self::Error>

Implementors

impl<E> Database for EmptyDBTyped<E>

type Error = E

impl<T: DatabaseAsync> Database for WrapDatabaseAsync<T>

type Error = <T as DatabaseAsync>::Error

impl<T: DatabaseRef> Database for WrapDatabaseRef<T>

type Error = <T as DatabaseRef>::Error