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refactor(exex): make finished height an enum (#7652)

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This commit is contained in:
Alexey Shekhirin
2024-04-15 14:06:27 +01:00
committed by GitHub
parent bc485d939e
commit f387f7bd92
1 changed files with 26 additions and 26 deletions
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52
crates/exex/src/manager.rs
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@ -168,14 +168,7 @@ pub struct ExExManager {
is_ready: watch::Sender<bool>,
/// The finished height of all ExEx's.
///
/// This is the lowest common denominator between all ExEx's. If an ExEx has not emitted a
/// `FinishedHeight` event, it will be `None`.
///
/// This block is used to (amongst other things) determine what blocks are safe to prune.
///
/// The number is inclusive, i.e. all blocks `<= finished_height` are safe to prune.
finished_height: watch::Sender<Option<BlockNumber>>,
finished_height: watch::Sender<FinishedHeight>,
/// A handle to the ExEx manager.
handle: ExExManagerHandle,
@ -196,7 +189,11 @@ impl ExExManager {
let (handle_tx, handle_rx) = mpsc::unbounded_channel();
let (is_ready_tx, is_ready_rx) = watch::channel(true);
let (finished_height_tx, finished_height_rx) = watch::channel(None);
let (finished_height_tx, finished_height_rx) = watch::channel(if num_exexs == 0 {
FinishedHeight::NoExExs
} else {
FinishedHeight::NotReady
});
let current_capacity = Arc::new(AtomicUsize::new(max_capacity));
@ -329,7 +326,7 @@ impl Future for ExExManager {
}
});
if let Ok(finished_height) = finished_height {
let _ = self.finished_height.send(Some(finished_height));
let _ = self.finished_height.send(FinishedHeight::Height(finished_height));
}
Poll::Pending
@ -354,14 +351,7 @@ pub struct ExExManagerHandle {
/// The current capacity of the manager's internal notification buffer.
current_capacity: Arc<AtomicUsize>,
/// The finished height of all ExEx's.
///
/// This is the lowest common denominator between all ExEx's. If an ExEx has not emitted a
/// `FinishedHeight` event, it will be `None`.
///
/// This block is used to (amongst other things) determine what blocks are safe to prune.
///
/// The number is inclusive, i.e. all blocks `<= finished_height` are safe to prune.
finished_height: watch::Receiver<Option<BlockNumber>>,
finished_height: watch::Receiver<FinishedHeight>,
}
impl ExExManagerHandle {
@ -406,14 +396,7 @@ impl ExExManagerHandle {
}
/// The finished height of all ExEx's.
///
/// This is the lowest common denominator between all ExEx's. If an ExEx has not emitted a
/// `FinishedHeight` event, it will be `None`.
///
/// This block is used to (amongst other things) determine what blocks are safe to prune.
///
/// The number is inclusive, i.e. all blocks `<= finished_height` are safe to prune.
pub fn finished_height(&mut self) -> Option<BlockNumber> {
pub fn finished_height(&mut self) -> FinishedHeight {
*self.finished_height.borrow_and_update()
}
@ -450,6 +433,23 @@ impl Clone for ExExManagerHandle {
}
}
/// The finished height of all ExEx's.
#[derive(Debug, Clone, Copy)]
pub enum FinishedHeight {
/// No ExEx's are installed, so there is no finished height.
NoExExs,
/// Not all ExExs emitted a `FinishedHeight` event yet.
NotReady,
/// The finished height of all ExEx's.
///
/// This is the lowest common denominator between all ExEx's.
///
/// This block is used to (amongst other things) determine what blocks are safe to prune.
///
/// The number is inclusive, i.e. all blocks `<= finished_height` are safe to prune.
Height(BlockNumber),
}
#[cfg(test)]
mod tests {
#[tokio::test]