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don't read events in elections anymore. (#9898)

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* dont read events in elections anymore.

* Update frame/election-provider-multi-phase/src/lib.rs

* Fix test for Substrate#9898 (#9907)

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Zeke Mostov <32168567+emostov@users.noreply.github.com>
This commit is contained in:
Kian Paimani
2021-10-05 08:23:09 +02:00
committed by GitHub
parent 2272a0ed25
commit 626ca93383
2 changed files with 47 additions and 30 deletions
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substrate/frame/election-provider-multi-phase/src/lib.rs
+6 -16
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@@ -1201,8 +1201,12 @@ impl<T: Config> Pallet<T> {
match current_phase {
Phase::Unsigned((true, opened)) if opened == now => {
// Mine a new solution, cache it, and attempt to submit it
let initial_output = Self::ensure_offchain_repeat_frequency(now)
.and_then(|_| Self::mine_check_save_submit());
let initial_output = Self::ensure_offchain_repeat_frequency(now).and_then(|_| {
// This is executed at the beginning of each round. Any cache is now invalid.
// Clear it.
unsigned::kill_ocw_solution::<T>();
Self::mine_check_save_submit()
});
log!(debug, "initial offchain thread output: {:?}", initial_output);
},
Phase::Unsigned((true, opened)) if opened < now => {
@@ -1214,20 +1218,6 @@ impl<T: Config> Pallet<T> {
},
_ => {},
}
// After election finalization, clear OCW solution storage.
//
// We can read the events here because offchain worker doesn't affect PoV.
if <frame_system::Pallet<T>>::read_events_no_consensus()
.into_iter()
.filter_map(|event_record| {
let local_event = <T as Config>::Event::from(event_record.event);
local_event.try_into().ok()
})
.any(|event| matches!(event, Event::ElectionFinalized(_)))
{
unsigned::kill_ocw_solution::<T>();
}
}
/// Logic for [`<Pallet as Hooks>::on_initialize`] when signed phase is being opened.