Struct Sequence

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pub struct Sequence<T>where
    T: Num + One + ToBytes + FromBytes + CLTyped,
{ /* private fields */ }

Expand description

A module that stores a single value in the storage that can be read or incremented.

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impl<T> Sequence<T>
where T: Num + One + Zero + Default + Copy + ToBytes + FromBytes + CLTyped,

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pub fn get_current_value(&self) -> T

Returns the current value of the sequence.

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pub fn next_value(&mut self) -> T

Increments the value of the sequence and returns the new value.

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impl<T: Num + One + Zero + Default + Copy + ToBytes + FromBytes + CLTyped> Sequence<T>

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pub fn env(&self) -> ContractEnv

Returns the ContractEnv.

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impl<T: Num + One + Zero + Default + Copy + ToBytes + FromBytes + CLTyped> ModuleComponent for Sequence<T>

Implements the ModuleComponent trait for the Sequence struct.

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fn instance(env: Rc<ContractEnv>, index: u8) -> Self

Creates a new instance of Sequence with the given environment and index.

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impl<T> Revertible for Sequence<T>
where T: Num + One + Zero + Default + Copy + ToBytes + FromBytes + CLTyped,

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fn revert<E: Into<OdraError>>(&self, e: E) -> !

Reverts the contract execution with the given error.

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impl<T: Num + One + Zero + Default + Copy + ToBytes + FromBytes + CLTyped> ModulePrimitive for Sequence<T>

Auto Trait Implementations§

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impl<T> !UnwindSafe for Sequence<T>

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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<M> HasEvents for M
where M: ModulePrimitive,

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fn events() -> Vec<Event>

Returns a list of Events used by the contract.

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fn event_schemas() -> BTreeMap<String, Schema>

Returns a map of event schemas used by the contract.

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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 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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