forge::revm

Struct InnerEvmContext

pub struct InnerEvmContext<DB>
where DB: Database,
{ pub env: Box<Env>, pub journaled_state: JournaledState, pub db: DB, pub error: Result<(), EVMError<<DB as Database>::Error>>, pub l1_block_info: Option<L1BlockInfo>, }
Expand description

EVM contexts contains data that EVM needs for execution.

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§env: Box<Env>

EVM Environment contains all the information about config, block and transaction that evm needs.

§journaled_state: JournaledState

EVM State with journaling support.

§db: DB

Database to load data from.

§error: Result<(), EVMError<<DB as Database>::Error>>

Error that happened during execution.

§l1_block_info: Option<L1BlockInfo>
Available on crate feature optimism only.

Used as temporary value holder to store L1 block info.

Implementations§

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impl<DB> InnerEvmContext<DB>
where DB: Database,

pub fn new(db: DB) -> InnerEvmContext<DB>

pub fn new_with_env(db: DB, env: Box<Env>) -> InnerEvmContext<DB>

Creates a new context with the given environment and database.

pub fn with_db<ODB>(self, db: ODB) -> InnerEvmContext<ODB>
where ODB: Database,

Sets the database.

Note that this will ignore the previous error if set.

pub const fn spec_id(&self) -> SpecId

Returns the configured EVM spec ID.

pub fn load_access_list( &mut self, ) -> Result<(), EVMError<<DB as Database>::Error>>

Load access list for berlin hard fork.

Loading of accounts/storages is needed to make them warm.

pub fn env(&mut self) -> &mut Env

Return environment.

pub fn cfg(&self) -> &CfgEnv

Returns reference to CfgEnv.

pub fn take_error(&mut self) -> Result<(), EVMError<<DB as Database>::Error>>

Returns the error by replacing it with Ok(()), if any.

pub fn block_hash( &mut self, number: u64, ) -> Result<FixedBytes<32>, EVMError<<DB as Database>::Error>>

Fetch block hash from database.

pub fn touch(&mut self, address: &Address)

Mark account as touched as only touched accounts will be added to state.

pub fn load_account( &mut self, address: Address, ) -> Result<StateLoad<&mut Account>, EVMError<<DB as Database>::Error>>

Loads an account into memory. Returns true if it is cold accessed.

pub fn load_account_delegated( &mut self, address: Address, ) -> Result<AccountLoad, EVMError<<DB as Database>::Error>>

Load account from database to JournaledState.

Return boolean pair where first is is_cold second bool exists.

pub fn balance( &mut self, address: Address, ) -> Result<StateLoad<Uint<256, 4>>, EVMError<<DB as Database>::Error>>

Return account balance and is_cold flag.

pub fn code( &mut self, address: Address, ) -> Result<Eip7702CodeLoad<Bytes>, EVMError<<DB as Database>::Error>>

Return account code bytes and if address is cold loaded.

In case of EOF account it will return EOF_MAGIC (0xEF00) as code.

pub fn code_hash( &mut self, address: Address, ) -> Result<Eip7702CodeLoad<FixedBytes<32>>, EVMError<<DB as Database>::Error>>

Get code hash of address.

In case of EOF account it will return EOF_MAGIC_HASH (the hash of 0xEF00).

pub fn sload( &mut self, address: Address, index: Uint<256, 4>, ) -> Result<StateLoad<Uint<256, 4>>, EVMError<<DB as Database>::Error>>

Load storage slot, if storage is not present inside the account then it will be loaded from database.

pub fn sstore( &mut self, address: Address, index: Uint<256, 4>, value: Uint<256, 4>, ) -> Result<StateLoad<SStoreResult>, EVMError<<DB as Database>::Error>>

Storage change of storage slot, before storing sload will be called for that slot.

pub fn tload(&mut self, address: Address, index: Uint<256, 4>) -> Uint<256, 4>

Returns transient storage value.

pub fn tstore( &mut self, address: Address, index: Uint<256, 4>, value: Uint<256, 4>, )

Stores transient storage value.

pub fn selfdestruct( &mut self, address: Address, target: Address, ) -> Result<StateLoad<SelfDestructResult>, EVMError<<DB as Database>::Error>>

Selfdestructs the account.

pub fn eofcreate_return<SPEC>( &mut self, interpreter_result: &mut InterpreterResult, address: Address, journal_checkpoint: JournalCheckpoint, )
where SPEC: Spec,

If error is present revert changes, otherwise save EOF bytecode.

pub fn call_return( &mut self, interpreter_result: &InterpreterResult, journal_checkpoint: JournalCheckpoint, )

Handles call return.

pub fn create_return<SPEC>( &mut self, interpreter_result: &mut InterpreterResult, address: Address, journal_checkpoint: JournalCheckpoint, )
where SPEC: Spec,

Handles create return.

Trait Implementations§

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impl<DB> Clone for InnerEvmContext<DB>
where DB: Database + Clone, <DB as Database>::Error: Clone,

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fn clone(&self) -> InnerEvmContext<DB>

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
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impl<DB> Debug for InnerEvmContext<DB>
where DB: Debug + Database, <DB as Database>::Error: Debug,

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<DB> Freeze for InnerEvmContext<DB>
where DB: Freeze, <DB as Database>::Error: Freeze,

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impl<DB> RefUnwindSafe for InnerEvmContext<DB>

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impl<DB> Send for InnerEvmContext<DB>
where DB: Send, <DB as Database>::Error: Send,

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impl<DB> Sync for InnerEvmContext<DB>
where DB: Sync, <DB as Database>::Error: Sync,

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impl<DB> Unpin for InnerEvmContext<DB>
where DB: Unpin, <DB as Database>::Error: Unpin,

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impl<DB> UnwindSafe for InnerEvmContext<DB>
where DB: UnwindSafe, <DB as Database>::Error: UnwindSafe,

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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> TryClone for T
where T: Clone,

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fn try_clone(&self) -> Result<T, Error>

Clones self, possibly returning an error.
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T

Layout§

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.