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Add find_last for events_types #821

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Feb 13, 2023
Merged

Add find_last for events_types #821

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6 changes: 6 additions & 0 deletions subxt/src/events/events_type.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -187,6 +187,12 @@ impl<T: Config> Events<T> {
self.find::<Ev>().next().transpose()
}

/// Iterate through the events using metadata to dynamically decode and skip
/// them, and return the last event found which decodes to the provided `Ev` type.
pub fn find_last<Ev: StaticEvent>(&self) -> Result<Option<Ev>, Error> {
self.find::<Ev>().last().transpose()
}

/// Find an event that decodes to the type provided. Returns true if it was found.
pub fn has<Ev: StaticEvent>(&self) -> Result<bool, Error> {
Ok(self.find::<Ev>().next().transpose()?.is_some())
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