pub struct RestrictiveHandle<'a, H> { /* private fields */ }

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impl<'a, H: PrecompileHandle> PrecompileHandle for RestrictiveHandle<'a, H>

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fn call( &mut self, address: H160, transfer: Option<Transfer>, input: Vec<u8>, target_gas: Option<u64>, is_static: bool, context: &Context ) -> (ExitReason, Vec<u8>)

Perform subcall in provided context. Precompile specifies in which context the subcall is executed.
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fn record_cost(&mut self, cost: u64) -> Result<(), ExitError>

Record cost to the Runtime gasometer.
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fn remaining_gas(&self) -> u64

Retreive the remaining gas.
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fn log( &mut self, address: H160, topics: Vec<H256>, data: Vec<u8> ) -> Result<(), ExitError>

Record a log.
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fn code_address(&self) -> H160

Retreive the code address (what is the address of the precompile being called).
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fn input(&self) -> &[u8]

Retreive the input data the precompile is called with.
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fn context(&self) -> &Context

Retreive the context in which the precompile is executed.
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fn is_static(&self) -> bool

Is the precompile call is done statically.
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fn gas_limit(&self) -> Option<u64>

Retreive the gas limit of this call.
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fn record_external_cost( &mut self, ref_time: Option<u64>, proof_size: Option<u64>, storage_growth: Option<u64> ) -> Result<(), ExitError>

Record Substrate specific cost.
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fn refund_external_cost( &mut self, ref_time: Option<u64>, proof_size: Option<u64> )

Refund Substrate specific cost.

Auto Trait Implementations§

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impl<'a, H> RefUnwindSafe for RestrictiveHandle<'a, H>
where H: RefUnwindSafe,

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impl<'a, H> Send for RestrictiveHandle<'a, H>
where H: Send,

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impl<'a, H> Sync for RestrictiveHandle<'a, H>
where H: Sync,

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impl<'a, H> Unpin for RestrictiveHandle<'a, H>

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impl<'a, H> !UnwindSafe for RestrictiveHandle<'a, H>

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>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more
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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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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> IntoKey<U> for T
where U: FromKey<T>,

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fn into_key(self) -> U

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impl<T> IsType<T> for T

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fn from_ref(t: &T) -> &T

Cast reference.
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fn into_ref(&self) -> &T

Cast reference.
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fn from_mut(t: &mut T) -> &mut T

Cast mutable reference.
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fn into_mut(&mut self) -> &mut T

Cast mutable reference.
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impl<T, Outer> IsWrappedBy<Outer> for T
where Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

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fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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impl<T> Pointable for T

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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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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> PrecompileHandleExt for T

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fn record_log_costs_manual( &mut self, topics: usize, data_len: usize ) -> Result<(), PrecompileFailure>

Record cost of a log manualy. This can be useful to record log costs early when their content have static size.

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fn record_log_costs(&mut self, logs: &[&Log]) -> Result<(), PrecompileFailure>

Record cost of logs.

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fn check_function_modifier( &self, modifier: FunctionModifier ) -> Result<(), Revert>

Check that a function call is compatible with the context it is called into.

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fn read_u32_selector(&self) -> Result<u32, Revert>

Read the selector from the input data as u32.

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fn read_after_selector(&self) -> Result<Reader<'_>, Revert>

Returns a reader of the input, skipping the selector.

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fn record_db_read<Runtime>( &mut self, data_max_encoded_len: usize ) -> Result<(), ExitError>
where Runtime: Config,

Record cost of one DB read manually. The max encoded lenght of the data that will be read should be provided.
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Self
where Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more
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fn saturated_into<T>(self) -> T
where Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of 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<T, U> TryIntoKey<U> for T
where U: TryFromKey<T>,

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

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fn try_into_key(self) -> Result<U, <U as TryFromKey<T>>::Error>

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impl<S, T> UncheckedInto<T> for S
where T: UncheckedFrom<S>,

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fn unchecked_into(self) -> T

The counterpart to unchecked_from.
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impl<T, S> UniqueSaturatedInto<T> for S
where T: Bounded, S: TryInto<T>,

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fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.
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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> JsonSchemaMaybe for T

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impl<T> MaybeRefUnwindSafe for T
where T: RefUnwindSafe,