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Inclusion pruning tweaks #1550

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merged 5 commits into from
Sep 14, 2023
Merged

Inclusion pruning tweaks #1550

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093d73e
pruning tests expanded
Overkillus Sep 14, 2023
c43b00b
dedup stale change
Overkillus Sep 14, 2023
bf63864
fmt
Overkillus Sep 14, 2023
ebc05e3
Fix comment formatting in github
tdimitrov Sep 14, 2023
23fac0c
debug assert cleaned
Overkillus Sep 14, 2023
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7 changes: 5 additions & 2 deletions polkadot/node/core/dispute-coordinator/src/scraping/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -113,10 +113,13 @@ impl Inclusions {
/// The candidates at the block height are NOT removed.
pub fn remove_up_to_height(&mut self, height: &BlockNumber) {
let not_stale = self.candidates_by_block_number.split_off(&height);
let stale = std::mem::take(&mut self.candidates_by_block_number);
let stale: HashSet<_> = std::mem::take(&mut self.candidates_by_block_number)
.into_values()
.flatten()
.collect();
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Very good catch! Given that this should indeed be pretty rare, I would avoid the inefficiency of collecting into a HashMap and instead remove the debug assert and the debug log.

Really not a strong concern though, also with asynchronous backing this can happen more often.

self.candidates_by_block_number = not_stale;

for candidate in stale.into_values().flatten() {
for candidate in stale {
debug_assert!(self.inclusions_inner.get(&candidate).is_some());
match self.inclusions_inner.entry(candidate) {
Entry::Vacant(_) => {
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