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pallet-aura: Allow multiple blocks per slot (#14024)

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* pallet-aura: Allow multiple blocks per slot

* run fmt

* rework as associated type

* fix fallout

* fmt

* use constbool

* fmt
This commit is contained in:
asynchronous rob
2023-06-09 16:04:37 -05:00
committed by GitHub
parent 881fd1e0dc
commit 62f37e105c
4 changed files with 86 additions and 2 deletions
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substrate/frame/aura/src/tests.rs
+61
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@@ -54,3 +54,64 @@ fn disabled_validators_cannot_author_blocks() {
Aura::on_initialize(42);
});
}
#[test]
#[should_panic(expected = "Slot must increase")]
fn pallet_requires_slot_to_increase_unless_allowed() {
new_test_ext(vec![0, 1, 2, 3]).execute_with(|| {
crate::mock::AllowMultipleBlocksPerSlot::set(false);
let slot = Slot::from(1);
let pre_digest =
Digest { logs: vec![DigestItem::PreRuntime(AURA_ENGINE_ID, slot.encode())] };
System::reset_events();
System::initialize(&42, &System::parent_hash(), &pre_digest);
// and we should not be able to initialize the block with the same slot a second time.
Aura::on_initialize(42);
Aura::on_initialize(42);
});
}
#[test]
fn pallet_can_allow_unchanged_slot() {
new_test_ext(vec![0, 1, 2, 3]).execute_with(|| {
let slot = Slot::from(1);
let pre_digest =
Digest { logs: vec![DigestItem::PreRuntime(AURA_ENGINE_ID, slot.encode())] };
System::reset_events();
System::initialize(&42, &System::parent_hash(), &pre_digest);
crate::mock::AllowMultipleBlocksPerSlot::set(true);
// and we should be able to initialize the block with the same slot a second time.
Aura::on_initialize(42);
Aura::on_initialize(42);
});
}
#[test]
#[should_panic(expected = "Slot must not decrease")]
fn pallet_always_rejects_decreasing_slot() {
new_test_ext(vec![0, 1, 2, 3]).execute_with(|| {
let slot = Slot::from(2);
let pre_digest =
Digest { logs: vec![DigestItem::PreRuntime(AURA_ENGINE_ID, slot.encode())] };
System::reset_events();
System::initialize(&42, &System::parent_hash(), &pre_digest);
crate::mock::AllowMultipleBlocksPerSlot::set(true);
Aura::on_initialize(42);
System::finalize();
let earlier_slot = Slot::from(1);
let pre_digest =
Digest { logs: vec![DigestItem::PreRuntime(AURA_ENGINE_ID, earlier_slot.encode())] };
System::initialize(&43, &System::parent_hash(), &pre_digest);
Aura::on_initialize(43);
});
}