Struct substrate_subxt::EventSubscription[][src]

pub struct EventSubscription<'a, T: Runtime> { /* fields omitted */ }

Event subscription simplifies filtering a storage change set stream for events of interest.

Implementations

impl<'a, T: Runtime> EventSubscription<'a, T>[src]

pub fn new(
    subscription: EventStorageSubscription<T>,
    decoder: &'a EventsDecoder<T>
) -> Self
[src]

Creates a new event subscription.

pub fn filter_block(&mut self, block: T::Hash)[src]

Only returns events contained in the block with the given hash.

pub fn filter_extrinsic(&mut self, block: T::Hash, ext_index: usize)[src]

Only returns events from block emitted by extrinsic with index.

pub fn filter_event<E: Event<T>>(&mut self)[src]

Filters events by type.

pub async fn next(&mut self) -> Option<Result<RawEvent, Error>>[src]

Gets the next event.

Auto Trait Implementations

impl<'a, T> !RefUnwindSafe for EventSubscription<'a, T>

impl<'a, T> Send for EventSubscription<'a, T>

impl<'a, T> Sync for EventSubscription<'a, T>

impl<'a, T> Unpin for EventSubscription<'a, T> where
    T: Unpin,
    <T as System>::Hash: Unpin,
    <T as System>::Header: Unpin

impl<'a, T> !UnwindSafe for EventSubscription<'a, T>

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> CheckedConversion for T[src]

impl<T> From<T> for T[src]

impl<T> Instrument for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T> IsType<T> for T[src]

impl<T, Outer> IsWrappedBy<Outer> for T where
    T: From<Outer>,
    Outer: AsRef<T> + AsMut<T> + From<T>, 
[src]

pub fn from_ref(outer: &Outer) -> &T[src]

Get a reference to the inner from the outer.

pub fn from_mut(outer: &mut Outer) -> &mut T[src]

Get a mutable reference to the inner from the outer.

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> SaturatedConversion for T

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

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

The type returned in the event of a conversion error.

impl<S, T> UncheckedInto<T> for S where
    T: UncheckedFrom<S>, 
[src]

impl<T, S> UniqueSaturatedInto<T> for S where
    T: Bounded,
    S: TryInto<T>, 

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,