example_database_components

Struct DatabaseComponents

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pub struct DatabaseComponents<S, BH> {
    pub state: S,
    pub block_hash: BH,
}

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§state: S§block_hash: BH

Trait Implementations§

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impl<S: State, BH: BlockHash> Database for DatabaseComponents<S, BH>

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type Error = DatabaseComponentError<<S as State>::Error, <BH as BlockHash>::Error>

The database error type.
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fn basic( &mut self, address: Address, ) -> Result<Option<AccountInfo>, Self::Error>

Get basic account information.
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fn code_by_hash(&mut self, code_hash: B256) -> Result<Bytecode, Self::Error>

Get account code by its hash.
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fn storage( &mut self, address: Address, index: U256, ) -> Result<U256, Self::Error>

Get storage value of address at index.
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fn block_hash(&mut self, number: u64) -> Result<B256, Self::Error>

Get block hash by block number.
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impl<S: DatabaseCommit, BH: BlockHashRef> DatabaseCommit for DatabaseComponents<S, BH>

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fn commit(&mut self, changes: HashMap<Address, Account>)

Commit changes to the database.
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impl<S: StateRef, BH: BlockHashRef> DatabaseRef for DatabaseComponents<S, BH>

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type Error = DatabaseComponentError<<S as StateRef>::Error, <BH as BlockHashRef>::Error>

The database error type.
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fn basic_ref( &self, address: Address, ) -> Result<Option<AccountInfo>, Self::Error>

Get basic account information.
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fn code_by_hash_ref(&self, code_hash: B256) -> Result<Bytecode, Self::Error>

Get account code by its hash.
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fn storage_ref( &self, address: Address, index: U256, ) -> Result<U256, Self::Error>

Get storage value of address at index.
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fn block_hash_ref(&self, number: u64) -> Result<B256, Self::Error>

Get block hash by block number.
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impl<S: Debug, BH: Debug> Debug for DatabaseComponents<S, BH>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<S, BH> Freeze for DatabaseComponents<S, BH>
where S: Freeze, BH: Freeze,

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impl<S, BH> RefUnwindSafe for DatabaseComponents<S, BH>
where S: RefUnwindSafe, BH: RefUnwindSafe,

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impl<S, BH> Send for DatabaseComponents<S, BH>
where S: Send, BH: Send,

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impl<S, BH> Sync for DatabaseComponents<S, BH>
where S: Sync, BH: Sync,

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impl<S, BH> Unpin for DatabaseComponents<S, BH>
where S: Unpin, BH: Unpin,

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impl<S, BH> UnwindSafe for DatabaseComponents<S, BH>
where S: UnwindSafe, BH: UnwindSafe,

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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Immutably borrows from an owned value. Read more
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where T: ?Sized,

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Mutably borrows from an owned value. Read more
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where Self: Into<T>,

Converts self into T using Into<T>. Read more
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impl<T> FmtForward for T

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where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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where Self: Octal,

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where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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where &'a Self: for<'a> IntoIterator,

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Returns the argument unchanged.

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Calls U::from(self).

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