BlockEventsQuery

avail_rust_client::block::events

Struct BlockEventsQuery 

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pub struct BlockEventsQuery { /* private fields */ }
Expand description

Helper for retrieving events scoped to a specific block.

Implementations§

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impl BlockEventsQuery

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pub fn new(client: Client, block_id: impl Into<HashStringNumber>) -> Self

Creates an event view for the given block.

§Parameters
  • client: RPC client used to fetch event data.
  • block_id: Identifier convertible into HashStringNumber.
§Returns
  • Self: Helper for retrieving events scoped to the block.
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pub async fn extrinsic(&self, tx_index: u32) -> Result<BlockEvents, Error>

Returns events emitted by a specific extrinsic index.

§Parameters
  • tx_index: Index of the extrinsic whose events should be returned.
§Returns
  • Ok(AllEvents): Wrapper around events emitted by the extrinsic (may be empty).
  • Err(Error): RPC retrieval or event decoding failed.
§Side Effects
  • Issues RPC requests for event data and may retry as configured.
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pub async fn system(&self) -> Result<BlockEvents, Error>

Returns system-level events that are not tied to extrinsics.

§Returns
  • Ok(AllEvents): Wrapper around system events (may be empty).
  • Err(Error): RPC retrieval or event decoding failed.
§Side Effects
  • Issues RPC requests for event data and may retry as configured.
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pub async fn all(&self, filter: EventFilter) -> Result<Vec<BlockEvent>, Error>

Fetches all events for the block using the given filter.

§Parameters
  • filter: Filter describing which phases or extrinsics to include.
§Returns
  • Ok(Vec<Event>): Zero or more events matching the filter.
  • Err(Error): RPC retrieval or event decoding failed.
§Side Effects
  • Issues RPC requests for event data and may retry as configured.
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pub async fn raw(&self, opts: EventOpts) -> Result<Vec<BlockPhaseEvent>, Error>

Fetches raw event data with full RPC control.

§Parameters
  • opts: RPC options specifying filters and encoding preferences.
§Returns
  • Ok(Vec<BlockPhaseEvent>): Raw events grouped by block phase.
  • Err(Error): RPC retrieval failed.
§Side Effects
  • Issues RPC requests for event data and may retry as configured.
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pub fn set_retry_on_error(&mut self, value: Option<bool>)

Overrides retry behaviour for event lookups.

§Parameters
  • value: Retry override (Some(true) to force retries, Some(false) to disable, None to inherit).
§Returns
  • (): The new retry preference is stored.
§Side Effects
  • Updates internal state so future RPC requests honour the override.
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pub fn should_retry_on_error(&self) -> bool

Reports whether event queries retry after RPC errors.

§Returns
  • true: Retries are enabled either explicitly or via the client default.
  • false: Retries are disabled.
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pub async fn extrinsic_weight(&self) -> Result<Weight, Error>

Aggregates weight consumed by extrinsics using emitted events.

§Returns
  • Ok(Weight): Summed weights derived from ExtrinsicSuccess and ExtrinsicFailed events.
  • Err(Error): Event retrieval or decoding failed.
§Side Effects
  • Issues RPC requests for event data and may retry as configured.
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pub async fn event_count(&self) -> Result<usize, Error>

Counts events emitted by this block.

§Returns
  • Ok(u32): Number of events emitted in the block.
  • Err(Error): RPC retrieval failed.
§Side Effects
  • Issues an RPC request and may retry as configured.

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