revm_context::context

Struct Context

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pub struct Context<BLOCK = BlockEnv, TX = TxEnv, CFG = CfgEnv, DB: Database = EmptyDB, JOURNAL: Journal<Database = DB> = JournaledState<DB>, CHAIN = ()> {
    pub block: BLOCK,
    pub tx: TX,
    pub cfg: CFG,
    pub journaled_state: JOURNAL,
    pub chain: CHAIN,
    pub error: Result<(), <DB as Database>::Error>,
}
Expand description

EVM context contains data that EVM needs for execution.

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§block: BLOCK

Block information.

§tx: TX

Transaction information.

§cfg: CFG

Configurations.

§journaled_state: JOURNAL

EVM State with journaling support and database.

§chain: CHAIN

Inner context.

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

Error that happened during execution.

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impl Context

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pub fn builder() -> Self

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impl<BLOCK: Block + Default, TX: Transaction + Default, DB: Database, JOURNAL: Journal<Database = DB>, CHAIN: Default> Context<BLOCK, TX, CfgEnv, DB, JOURNAL, CHAIN>

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pub fn new(db: DB, spec: SpecId) -> Self

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impl<BLOCK, TX, CFG, DB, JOURNAL, CHAIN> Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>
where BLOCK: Block, TX: Transaction, CFG: Cfg, DB: Database, JOURNAL: Journal<Database = DB>,

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pub fn with_new_journal<OJOURNAL: Journal<Database = DB>>( self, journal: OJOURNAL, ) -> Context<BLOCK, TX, CFG, DB, OJOURNAL, CHAIN>

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pub fn with_db<ODB: Database>( self, db: ODB, ) -> Context<BLOCK, TX, CFG, ODB, JournaledState<ODB>, CHAIN>

Creates a new context with a new database type.

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pub fn with_block<OB: Block>( self, block: OB, ) -> Context<OB, TX, CFG, DB, JOURNAL, CHAIN>

Creates a new context with a new block type.

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pub fn with_tx<OTX: Transaction>( self, tx: OTX, ) -> Context<BLOCK, OTX, CFG, DB, JOURNAL, CHAIN>

Creates a new context with a new transaction type.

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pub fn with_chain<OC>( self, chain: OC, ) -> Context<BLOCK, TX, CFG, DB, JOURNAL, OC>

Creates a new context with a new chain type.

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pub fn with_cfg<OCFG: Cfg>( self, cfg: OCFG, ) -> Context<BLOCK, TX, OCFG, DB, JOURNAL, CHAIN>

Creates a new context with a new chain type.

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pub fn modify_cfg_chained<F>(self, f: F) -> Self
where F: FnOnce(&mut CFG),

Modifies the context configuration.

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pub fn modify_block_chained<F>(self, f: F) -> Self
where F: FnOnce(&mut BLOCK),

Modifies the context block.

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pub fn modify_tx_chained<F>(self, f: F) -> Self
where F: FnOnce(&mut TX),

Modifies the context transaction.

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pub fn modify_chain_chained<F>(self, f: F) -> Self
where F: FnOnce(&mut CHAIN),

Modifies the context chain.

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pub fn modify_db_chained<F>(self, f: F) -> Self
where F: FnOnce(&mut DB),

Modifies the context database.

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pub fn modify_journal_chained<F>(self, f: F) -> Self
where F: FnOnce(&mut JOURNAL),

Modifies the context journal.

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pub fn modify_block<F>(&mut self, f: F)
where F: FnOnce(&mut BLOCK),

Modifies the context block.

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pub fn modify_tx<F>(&mut self, f: F)
where F: FnOnce(&mut TX),

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pub fn modify_cfg<F>(&mut self, f: F)
where F: FnOnce(&mut CFG),

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pub fn modify_chain<F>(&mut self, f: F)
where F: FnOnce(&mut CHAIN),

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pub fn modify_db<F>(&mut self, f: F)
where F: FnOnce(&mut DB),

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pub fn modify_journal<F>(&mut self, f: F)
where F: FnOnce(&mut JOURNAL),

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

Returns account code bytes and if address is cold loaded.

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

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pub fn code_hash( &mut self, address: Address, ) -> Result<StateLoad<B256>, <DB as Database>::Error>

Gets code hash of address.

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

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impl<BLOCK: Block, TX, SPEC, DB: Database, JOURNAL: Journal<Database = DB>, CHAIN> BlockGetter for Context<BLOCK, TX, SPEC, DB, JOURNAL, CHAIN>

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type Block = BLOCK

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fn block(&self) -> &Self::Block

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impl<BLOCK: Block, TX, SPEC, DB: Database, JOURNAL: Journal<Database = DB>, CHAIN> BlockSetter for Context<BLOCK, TX, SPEC, DB, JOURNAL, CHAIN>

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fn set_block(&mut self, block: <Self as BlockGetter>::Block)

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impl<BLOCK, TX, CFG: Cfg, DB: Database, JOURNAL: Journal<Database = DB>, CHAIN> CfgGetter for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>

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type Cfg = CFG

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fn cfg(&self) -> &Self::Cfg

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impl<BLOCK, TX, CFG, DB, JOURNAL, CHAIN> Clone for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>
where BLOCK: Clone, CFG: Clone, CHAIN: Clone, TX: Clone, DB: Clone + Database, JOURNAL: Clone + Journal<Database = DB>, <DB as Database>::Error: Clone,

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<BLOCK, TX, SPEC, DB, JOURNAL, CHAIN> DatabaseGetter for Context<BLOCK, TX, SPEC, DB, JOURNAL, CHAIN>
where DB: Database, JOURNAL: Journal<Database = DB>,

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type Database = DB

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fn db(&mut self) -> &mut Self::Database

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fn db_ref(&self) -> &Self::Database

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impl<BLOCK, TX, CFG, DB, JOURNAL, CHAIN> Debug for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>
where BLOCK: Debug, CFG: Debug, CHAIN: Debug, TX: Debug, DB: Debug + Database, JOURNAL: Debug + Journal<Database = DB>, <DB as Database>::Error: Debug,

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

Formats the value using the given formatter. Read more
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impl Default for Context

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<BLOCK, TX: Transaction, SPEC, DB: Database, JOURNAL: Journal<Database = DB>, CHAIN> ErrorGetter for Context<BLOCK, TX, SPEC, DB, JOURNAL, CHAIN>

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type Error = <DB as Database>::Error

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fn take_error(&mut self) -> Result<(), Self::Error>

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impl<BLOCK, TX, CFG, DB, JOURNAL, CHAIN> Host for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>
where BLOCK: Block, TX: Transaction, CFG: Cfg, DB: Database, JOURNAL: Journal<Database = DB>,

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fn block_hash(&mut self, requested_number: u64) -> Option<B256>

Gets the block hash of the given block number.
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fn load_account_delegated( &mut self, address: Address, ) -> Option<StateLoad<AccountLoad>>

Load an account code.
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fn balance(&mut self, address: Address) -> Option<StateLoad<U256>>

Gets balance of address and if the account is cold.
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fn code(&mut self, address: Address) -> Option<StateLoad<Bytes>>

Gets code of address and if the account is cold.
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fn code_hash(&mut self, address: Address) -> Option<StateLoad<B256>>

Gets code hash of address and if the account is cold.
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fn sload(&mut self, address: Address, index: U256) -> Option<StateLoad<U256>>

Gets storage value of address at index and if the account is cold.
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fn sstore( &mut self, address: Address, index: U256, value: U256, ) -> Option<StateLoad<SStoreResult>>

Sets storage value of account address at index. Read more
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fn tload(&mut self, address: Address, index: U256) -> U256

Gets the transient storage value of address at index.
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fn tstore(&mut self, address: Address, index: U256, value: U256)

Sets the transient storage value of address at index.
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fn log(&mut self, log: Log)

Emits a log owned by address with given LogData.
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fn selfdestruct( &mut self, address: Address, target: Address, ) -> Option<StateLoad<SelfDestructResult>>

Marks address to be deleted, with funds transferred to target.
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impl<BLOCK, TX, SPEC, DB, JOURNAL, CHAIN> JournalGetter for Context<BLOCK, TX, SPEC, DB, JOURNAL, CHAIN>
where DB: Database, JOURNAL: Journal<Database = DB>,

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type Journal = JOURNAL

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fn journal(&mut self) -> &mut Self::Journal

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fn journal_ref(&self) -> &Self::Journal

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impl<BLOCK: Block, TX: Transaction, CFG: Cfg, DB: Database, JOURNAL: Journal<Database = DB>, CHAIN> PerformantContextAccess for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>

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type Error = <DB as Database>::Error

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fn load_access_list(&mut self) -> Result<(), Self::Error>

Load access list
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impl<BLOCK, TX: Transaction, SPEC, DB: Database, JOURNAL: Journal<Database = DB>, CHAIN> TransactionGetter for Context<BLOCK, TX, SPEC, DB, JOURNAL, CHAIN>

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type Transaction = TX

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fn tx(&self) -> &Self::Transaction

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impl<BLOCK, TX: Transaction, SPEC, DB: Database, JOURNAL: Journal<Database = DB>, CHAIN> TransactionSetter for Context<BLOCK, TX, SPEC, DB, JOURNAL, CHAIN>

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fn set_tx(&mut self, tx: <Self as TransactionGetter>::Transaction)

Auto Trait Implementations§

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impl<BLOCK, TX, CFG, DB, JOURNAL, CHAIN> Freeze for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>
where BLOCK: Freeze, TX: Freeze, CFG: Freeze, JOURNAL: Freeze, CHAIN: Freeze, <DB as Database>::Error: Freeze,

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impl<BLOCK, TX, CFG, DB, JOURNAL, CHAIN> RefUnwindSafe for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>
where BLOCK: RefUnwindSafe, TX: RefUnwindSafe, CFG: RefUnwindSafe, JOURNAL: RefUnwindSafe, CHAIN: RefUnwindSafe, <DB as Database>::Error: RefUnwindSafe,

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impl<BLOCK, TX, CFG, DB, JOURNAL, CHAIN> Send for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>
where BLOCK: Send, TX: Send, CFG: Send, JOURNAL: Send, CHAIN: Send, <DB as Database>::Error: Send,

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impl<BLOCK, TX, CFG, DB, JOURNAL, CHAIN> Sync for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>
where BLOCK: Sync, TX: Sync, CFG: Sync, JOURNAL: Sync, CHAIN: Sync, <DB as Database>::Error: Sync,

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impl<BLOCK, TX, CFG, DB, JOURNAL, CHAIN> Unpin for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>
where BLOCK: Unpin, TX: Unpin, CFG: Unpin, JOURNAL: Unpin, CHAIN: Unpin, <DB as Database>::Error: Unpin,

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impl<BLOCK, TX, CFG, DB, JOURNAL, CHAIN> UnwindSafe for Context<BLOCK, TX, CFG, DB, JOURNAL, CHAIN>
where BLOCK: UnwindSafe, TX: UnwindSafe, CFG: UnwindSafe, JOURNAL: UnwindSafe, CHAIN: UnwindSafe, <DB as Database>::Error: UnwindSafe,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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