Struct evm::backend::MemoryBackend

[+] Show declaration

pub struct MemoryBackend<'vicinity> { /* fields omitted */ }

[−] Expand description

Memory backend, storing all state values in a BTreeMap in memory.

Implementations

impl<'vicinity> MemoryBackend<'vicinity>[−]

pub fn new(
    vicinity: &'vicinity MemoryVicinity,
    state: BTreeMap<H160, MemoryAccount>
) -> Self[−]

Create a new memory backend.

pub fn state(&self) -> &BTreeMap<H160, MemoryAccount>[−]

Get the underlying BTreeMap storing the state.

Trait Implementations

impl<'vicinity> ApplyBackend for MemoryBackend<'vicinity>[+]

[+] Show hidden undocumented items

fn apply<A, I, L>(&mut self, values: A, logs: L, delete_empty: bool) where
    A: IntoIterator<Item = Apply<I>>,
    I: IntoIterator<Item = (H256, H256)>,
    L: IntoIterator<Item = Log>, [−]

Apply given values and logs at backend.

impl<'vicinity> Backend for MemoryBackend<'vicinity>[+]

[+] Show hidden undocumented items

fn gas_price(&self) -> U256[−]

Gas price.

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 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.

impl<'vicinity> Clone for MemoryBackend<'vicinity>[+]

[+] Show hidden undocumented items

fn clone(&self) -> MemoryBackend<'vicinity>[−]

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl<'vicinity> Debug for MemoryBackend<'vicinity>[+]

[+] Show hidden undocumented items

fn fmt(&self, f: &mut Formatter<'_>) -> Result[−]

Formats the value using the given formatter.