Trait account_state::state::StateInfo[−][src]

pub trait StateInfo {
    fn nonce(&self, a: &Address) -> TrieResult<U256>;

    fn balance(&self, a: &Address) -> TrieResult<U256>;

    fn storage_at(&self, address: &Address, key: &H256) -> TrieResult<H256>;

    fn code(&self, a: &Address) -> TrieResult<Option<Arc<Bytes>>>;
}

Provides subset of State methods to query state information

Required methods

fn nonce(&self, a: &Address) -> TrieResult<U256>[src]

Get the nonce of account a.

fn balance(&self, a: &Address) -> TrieResult<U256>[src]

Get the balance of account a.

fn storage_at(&self, address: &Address, key: &H256) -> TrieResult<H256>[src]

Mutate storage of account address so that it is value for key.

fn code(&self, a: &Address) -> TrieResult<Option<Arc<Bytes>>>[src]

Get accounts’ code.

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Implementors

impl<B: Backend> StateInfo for State<B>[src]

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