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Add find_last for block types #825

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Merged
jsdw merged 2 commits into from
Feb 14, 2023
Merged

Add find_last for block types #825

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fe19adc
add find_last for block types
lean-apple Feb 14, 2023
9715e14
fix pres for find_last for block types
lean-apple Feb 14, 2023
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9 changes: 9 additions & 0 deletions subxt/src/blocks/block_types.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,15 @@ impl<T: Config> ExtrinsicEvents<T> {
self.find::<Ev>().next().transpose()
}

/// Iterate through the transaction events using metadata to dynamically decode and skip
/// them, and return the last event found which decodes to the provided `Ev` type.
///
/// This works in the same way that [`events::Events::find_last()`] does, with the
/// exception that it ignores events not related to the submitted extrinsic.
pub fn find_last<Ev: events::StaticEvent>(&self) -> Result<Option<Ev>, Error> {
self.find::<Ev>().last().transpose()
}

/// Find an event in those associated with this transaction. Returns true if it was found.
///
/// This works in the same way that [`events::Events::has()`] does, with the
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