Struct cfx_vm_types::Env

pub struct Env {Show 15 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>,
    pub transaction_hash: H256,
}

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

§transaction_hash: H256

Transaction hash for the executing transaction, required by CIP-152

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 Freeze for Env

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