Struct StorageBackend

pub struct StorageBackend {
    pub block_number: u64,
    pub timestamp: u64,
    /* private fields */
}

Fields

block_number: u64

timestamp: u64

Implementations

impl StorageBackend

pub fn new(fork: Option<CreateFork>) -> Self

pub fn insert_account_info(&mut self, address: Address, info: AccountInfo)

pub fn insert_account_storage( &mut self, address: Address, slot: U256, value: U256, ) -> Result<(), DatabaseError>

pub fn replace_account_storage( &mut self, address: Address, storage: Map<U256, U256>, ) -> Result<(), DatabaseError>

pub fn run_transact( &mut self, env: &mut EnvWithHandlerCfg, ) -> Result<ResultAndState>

pub fn create_snapshot(&self) -> Result<SnapShot>

Create a snapshot of the current state, delegates to the current backend database.

pub fn load_snapshot(&mut self, snapshot: SnapShot)

Load a snapshot into an in-memory database

pub fn update_block_info(&mut self, interval: u64)

See EVM update_block

Trait Implementations

impl Database for StorageBackend

type Error = DatabaseError

The database error type.

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: U256) -> Result<B256, Self::Error>

Get block hash by block number.

impl DatabaseCommit for StorageBackend

fn commit(&mut self, changes: Map<Address, Account>)

Commit changes to the database.

impl DatabaseRef for StorageBackend

type Error = DatabaseError

The database error type.

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

Get basic account information.

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

Get account code by its hash.

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

Get storage value of address at index.

fn block_hash_ref(&self, number: U256) -> Result<B256, Self::Error>

Get block hash by block number.

impl Default for StorageBackend

fn default() -> Self

Returns the “default value” for a type.