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debug assert events at genesis (#13217)

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This commit is contained in:
Muharem Ismailov
2023-01-23 16:39:11 +01:00
committed by GitHub
parent 58149a70d7
commit d2fcebef40
2 changed files with 16 additions and 1 deletions
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substrate/frame/system/src/lib.rs
+14
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@@ -1247,6 +1247,8 @@ impl<T: Config> Pallet<T> {
}
/// Deposits an event into this block's event record.
///
/// NOTE: Events not registered at the genesis block and quietly omitted.
pub fn deposit_event(event: impl Into<T::RuntimeEvent>) {
Self::deposit_event_indexed(&[], event.into());
}
@@ -1256,6 +1258,8 @@ impl<T: Config> Pallet<T> {
///
/// This will update storage entries that correspond to the specified topics.
/// It is expected that light-clients could subscribe to this topics.
///
/// NOTE: Events not registered at the genesis block and quietly omitted.
pub fn deposit_event_indexed(topics: &[T::Hash], event: T::RuntimeEvent) {
let block_number = Self::block_number();
// Don't populate events on genesis.
@@ -1445,8 +1449,14 @@ impl<T: Config> Pallet<T> {
/// NOTE: This should only be used in tests. Reading events from the runtime can have a large
/// impact on the PoV size of a block. Users should use alternative and well bounded storage
/// items for any behavior like this.
///
/// NOTE: Events not registered at the genesis block and quietly omitted.
#[cfg(any(feature = "std", feature = "runtime-benchmarks", test))]
pub fn events() -> Vec<EventRecord<T::RuntimeEvent, T::Hash>> {
debug_assert!(
!Self::block_number().is_zero(),
"events not registered at the genesis block"
);
// Dereferencing the events here is fine since we are not in the
// memory-restricted runtime.
Self::read_events_no_consensus().map(|e| *e).collect()
@@ -1501,6 +1511,8 @@ impl<T: Config> Pallet<T> {
}
/// Assert the given `event` exists.
///
/// NOTE: Events not registered at the genesis block and quietly omitted.
#[cfg(any(feature = "std", feature = "runtime-benchmarks", test))]
pub fn assert_has_event(event: T::RuntimeEvent) {
let events = Self::events();
@@ -1511,6 +1523,8 @@ impl<T: Config> Pallet<T> {
}
/// Assert the last event equal to the given `event`.
///
/// NOTE: Events not registered at the genesis block and quietly omitted.
#[cfg(any(feature = "std", feature = "runtime-benchmarks", test))]
pub fn assert_last_event(event: T::RuntimeEvent) {
let last_event = Self::events().last().expect("events expected").event.clone();