pub struct SubstrateStackState<'vicinity, 'config, T> { /* private fields */ }
Expand description

Substrate backend for EVM.

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impl<'vicinity, 'config, T: Config> SubstrateStackState<'vicinity, 'config, T>

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pub fn new( vicinity: &'vicinity Vicinity, metadata: StackSubstateMetadata<'config>, weight_info: Option<WeightInfo> ) -> Self

Create a new backend with given vicinity.

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pub fn weight_info(&self) -> Option<WeightInfo>

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pub fn recorded(&self) -> &Recorded

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pub fn info_mut(&mut self) -> (&mut Option<WeightInfo>, &mut Recorded)

Trait Implementations§

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impl<'vicinity, 'config, T: Config> Backend for SubstrateStackState<'vicinity, 'config, T>
where BalanceOf<T>: TryFrom<U256> + Into<U256>,

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fn gas_price(&self) -> U256

Gas price. Unused for London.
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fn origin(&self) -> H160

Origin.
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fn block_hash(&self, number: U256) -> H256

Environmental block hash.
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fn block_number(&self) -> U256

Environmental block number.
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fn block_coinbase(&self) -> H160

Environmental coinbase.
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fn block_timestamp(&self) -> U256

Environmental block timestamp.
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fn block_difficulty(&self) -> U256

Environmental block difficulty.
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fn block_randomness(&self) -> Option<H256>

Get environmental block randomness.
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fn block_gas_limit(&self) -> U256

Environmental block gas limit.
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fn block_base_fee_per_gas(&self) -> U256

Environmental block base fee.
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fn chain_id(&self) -> U256

Environmental chain ID.
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fn exists(&self, _address: H160) -> bool

Whether account at address exists.
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fn basic(&self, address: H160) -> Basic

Get basic account information.
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fn code(&self, address: H160) -> Vec<u8>

Get account code.
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fn storage(&self, address: H160, index: H256) -> H256

Get storage value of address at index.
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fn original_storage(&self, address: H160, index: H256) -> Option<H256>

Get original storage value of address at index, if available.
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impl<'vicinity, 'config, T: Config> StackState<'config> for SubstrateStackState<'vicinity, 'config, T>
where BalanceOf<T>: TryFrom<U256> + Into<U256>,

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fn metadata(&self) -> &StackSubstateMetadata<'config>

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fn metadata_mut(&mut self) -> &mut StackSubstateMetadata<'config>

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fn enter(&mut self, gas_limit: u64, is_static: bool)

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fn exit_commit(&mut self) -> Result<(), ExitError>

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fn exit_revert(&mut self) -> Result<(), ExitError>

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fn exit_discard(&mut self) -> Result<(), ExitError>

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fn is_empty(&self, address: H160) -> bool

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fn deleted(&self, address: H160) -> bool

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fn inc_nonce(&mut self, address: H160) -> Result<(), ExitError>

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fn set_storage(&mut self, address: H160, index: H256, value: H256)

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fn reset_storage(&mut self, address: H160)

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fn log(&mut self, address: H160, topics: Vec<H256>, data: Vec<u8>)

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fn set_deleted(&mut self, address: H160)

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fn set_code(&mut self, address: H160, code: Vec<u8>)

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fn transfer(&mut self, transfer: Transfer) -> Result<(), ExitError>

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fn reset_balance(&mut self, _address: H160)

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fn touch(&mut self, _address: H160)

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fn is_cold(&self, address: H160) -> bool

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fn is_storage_cold(&self, address: H160, key: H256) -> bool

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fn code_size(&self, address: H160) -> U256

Fetch the code size of an address. Provide a default implementation by fetching the code, but can be customized to use a more performant approach that don’t need to fetch the code.
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fn code_hash(&self, address: H160) -> H256

Fetch the code hash of an address. Provide a default implementation by fetching the code, but can be customized to use a more performant approach that don’t need to fetch the code.
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fn record_external_operation( &mut self, op: ExternalOperation ) -> Result<(), ExitError>

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fn record_external_dynamic_opcode_cost( &mut self, opcode: Opcode, _gas_cost: GasCost, target: StorageTarget ) -> Result<(), ExitError>

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fn record_external_cost( &mut self, ref_time: Option<u64>, proof_size: Option<u64>, _storage_growth: Option<u64> ) -> Result<(), ExitError>

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fn refund_external_cost( &mut self, ref_time: Option<u64>, proof_size: Option<u64> )

Auto Trait Implementations§

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impl<'vicinity, 'config, T> RefUnwindSafe for SubstrateStackState<'vicinity, 'config, T>
where T: RefUnwindSafe,

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impl<'vicinity, 'config, T> Send for SubstrateStackState<'vicinity, 'config, T>
where T: Send,

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impl<'vicinity, 'config, T> Sync for SubstrateStackState<'vicinity, 'config, T>
where T: Sync,

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impl<'vicinity, 'config, T> Unpin for SubstrateStackState<'vicinity, 'config, T>
where T: Unpin,

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impl<'vicinity, 'config, T> UnwindSafe for SubstrateStackState<'vicinity, 'config, T>
where T: UnwindSafe,

Blanket Implementations§

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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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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CheckedConversion for T

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fn checked_from<T>(t: T) -> Option<Self>
where Self: TryFrom<T>,

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fn checked_into<T>(self) -> Option<T>
where Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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Calls U::from(self).

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fn into_key(self) -> U

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Cast reference.
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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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Drops the object pointed to by the given pointer. Read more
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type Output = T

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Performs the conversion.
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type Error = <U as TryFromKey<T>>::Error

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The counterpart to unchecked_from.
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