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Emit events related to asset mutations (#14099)

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* Emit events related to asset mutations

* Fixes

* Improve unit tests

* cargo fmt
This commit is contained in:
Keith Yeung
2023-05-09 20:28:58 +08:00
committed by GitHub
parent dcc0858f67
commit da24214174
2 changed files with 61 additions and 1 deletions
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substrate/frame/assets/src/impl_fungibles.rs
+32 -1
View File
@@ -81,7 +81,38 @@ impl<T: Config<I>, I: 'static> fungibles::Inspect<<T as SystemConfig>::AccountId
}
}
impl<T: Config<I>, I: 'static> fungibles::Mutate<<T as SystemConfig>::AccountId> for Pallet<T, I> {}
impl<T: Config<I>, I: 'static> fungibles::Mutate<<T as SystemConfig>::AccountId> for Pallet<T, I> {
fn done_mint_into(
asset_id: Self::AssetId,
beneficiary: &<T as SystemConfig>::AccountId,
amount: Self::Balance,
) {
Self::deposit_event(Event::Issued { asset_id, owner: beneficiary.clone(), amount })
}
fn done_burn_from(
asset_id: Self::AssetId,
target: &<T as SystemConfig>::AccountId,
balance: Self::Balance,
) {
Self::deposit_event(Event::Burned { asset_id, owner: target.clone(), balance });
}
fn done_transfer(
asset_id: Self::AssetId,
source: &<T as SystemConfig>::AccountId,
dest: &<T as SystemConfig>::AccountId,
amount: Self::Balance,
) {
Self::deposit_event(Event::Transferred {
asset_id,
from: source.clone(),
to: dest.clone(),
amount,
});
}
}
impl<T: Config<I>, I: 'static> fungibles::Balanced<<T as SystemConfig>::AccountId>
for Pallet<T, I>
{
substrate/frame/assets/src/tests.rs
+29
View File
@@ -52,9 +52,18 @@ fn transfer_should_never_burn() {
while System::inc_consumers(&2).is_ok() {}
let _ = System::dec_consumers(&2);
let _ = System::dec_consumers(&2);
// Exactly one consumer ref remaining.
assert_eq!(System::consumers(&2), 1);
let _ = <Assets as fungibles::Mutate<_>>::transfer(0, &1, &2, 50, Protect);
System::assert_has_event(RuntimeEvent::Assets(crate::Event::Transferred {
asset_id: 0,
from: 1,
to: 2,
amount: 50,
}));
assert_eq!(Assets::balance(0, 1), 50);
assert_eq!(Assets::balance(0, 1) + Assets::balance(0, 2), 100);
});
}
@@ -65,11 +74,26 @@ fn basic_minting_should_work() {
assert_ok!(Assets::force_create(RuntimeOrigin::root(), 0, 1, true, 1));
assert_ok!(Assets::force_create(RuntimeOrigin::root(), 1, 1, true, 1));
assert_ok!(Assets::mint(RuntimeOrigin::signed(1), 0, 1, 100));
System::assert_last_event(RuntimeEvent::Assets(crate::Event::Issued {
asset_id: 0,
owner: 1,
amount: 100,
}));
assert_eq!(Assets::balance(0, 1), 100);
assert_ok!(Assets::mint(RuntimeOrigin::signed(1), 0, 2, 100));
System::assert_last_event(RuntimeEvent::Assets(crate::Event::Issued {
asset_id: 0,
owner: 2,
amount: 100,
}));
assert_eq!(Assets::balance(0, 2), 100);
assert_eq!(asset_ids(), vec![0, 1, 999]);
assert_ok!(Assets::mint(RuntimeOrigin::signed(1), 1, 1, 100));
System::assert_last_event(RuntimeEvent::Assets(crate::Event::Issued {
asset_id: 1,
owner: 1,
amount: 100,
}));
assert_eq!(Assets::account_balances(1), vec![(0, 100), (999, 100), (1, 100)]);
});
}
@@ -1133,6 +1157,11 @@ fn burning_asset_balance_with_positive_balance_should_work() {
assert_ok!(Assets::mint(RuntimeOrigin::signed(1), 0, 1, 100));
assert_eq!(Assets::balance(0, 1), 100);
assert_ok!(Assets::burn(RuntimeOrigin::signed(1), 0, 1, u64::MAX));
System::assert_last_event(RuntimeEvent::Assets(crate::Event::Burned {
asset_id: 0,
owner: 1,
balance: 100,
}));
assert_eq!(Assets::balance(0, 1), 0);
});
}