Struct evm_adapters::sputnik::ForkMemoryBackend

pub struct ForkMemoryBackend<B, M> {
    pub provider: BlockingProvider<M>,
    pub backend: B,
    pub cache: RefCell<BTreeMap<H160, MemoryAccount>>,
    // some fields omitted
}

Memory backend with ability to fork another chain from an HTTP provider, storing all cache values in a BTreeMap in memory.

Fields

provider: BlockingProvider<M>

ethers middleware for querying on-chain data

backend: B

The internal backend

cache: RefCell<BTreeMap<H160, MemoryAccount>>

cache state

Implementations

impl<B: Backend, M: Middleware> ForkMemoryBackend<B, M> where
    M::Error: 'static, 

pub fn new(
    provider: M,
    backend: B,
    pin_block: Option<u64>,
    init_cache: BTreeMap<H160, MemoryAccount>
) -> Self

Trait Implementations

impl<B: Backend, M: Middleware> Backend for ForkMemoryBackend<B, M> where
    M::Error: 'static, 

fn gas_price(&self) -> U256

Gas price. Unused for London.

fn origin(&self) -> H160

Origin.

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

Environmental block hash.

fn block_number(&self) -> U256

Environmental block number.

fn block_coinbase(&self) -> H160

Environmental coinbase.

fn block_timestamp(&self) -> U256

Environmental block timestamp.

fn block_difficulty(&self) -> U256

Environmental block difficulty.

fn block_gas_limit(&self) -> U256

Environmental block gas limit.

fn block_base_fee_per_gas(&self) -> U256

Environmental block base fee.

fn chain_id(&self) -> U256

Environmental chain ID.

fn exists(&self, address: H160) -> bool

Whether account at address exists.

fn basic(&self, address: H160) -> Basic

Get basic account information.

fn code(&self, address: H160) -> Vec<u8>

Get account code.

fn storage(&self, address: H160, index: H256) -> H256

Get storage value of address at index.

fn original_storage(&self, address: H160, index: H256) -> Option<H256>

Get original storage value of address at index, if available.