Struct cfx_vm_types::Env

pub struct Env {Show 14 fields
    pub chain_id: BTreeMap<Space, u32>,
    pub number: BlockNumber,
    pub author: Address,
    pub timestamp: u64,
    pub difficulty: U256,
    pub gas_limit: U256,
    pub last_hash: H256,
    pub accumulated_gas_used: U256,
    pub epoch_height: u64,
    pub pos_view: Option<u64>,
    pub finalized_epoch: Option<u64>,
    pub transaction_epoch_bound: u64,
    pub base_gas_price: SpaceMap<U256>,
    pub burnt_gas_price: SpaceMap<U256>,
}

Expand description

Information concerning the execution environment for a message-call/contract-creation.

Fields§

§chain_id: BTreeMap<Space, u32>

Chain ID

§number: BlockNumber

The block number.

§author: Address

The block author.

§timestamp: u64

The block timestamp.

§difficulty: U256

The block difficulty.

§gas_limit: U256

The block gas limit.

§last_hash: H256

The last block hash.

§accumulated_gas_used: U256

The total gas used in the block following execution of the transaction.

§epoch_height: u64

The epoch height.

§pos_view: Option<u64>

PoS view number.

§finalized_epoch: Option<u64>

Finalized epoch number by PoS view.

§transaction_epoch_bound: u64

The transaction_epoch_bound used to verify if a transaction has expired.

§base_gas_price: SpaceMap<U256>

Base gas price in CIP-1559, equals to 0 if CIP-1559 has not been activated

§burnt_gas_price: SpaceMap<U256>

Base gas price to miner according to in CIP-137

Trait Implementations§

impl Clone for Env

fn clone(&self) -> Env

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for Env

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

Formats the value using the given formatter. Read more

impl Default for Env

fn default() -> Env

Returns the “default value” for a type. Read more

Auto Trait Implementations§

impl RefUnwindSafe for Env

impl Send for Env

impl Sync for Env

impl Unpin for Env

impl UnwindSafe for Env

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V