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Allow to set the max supply for collection (#11441)

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* Allow to set the max supply for collection

* Update error

* Add weights info

* cargo run --quiet --profile=production  --features=runtime-benchmarks --manifest-path=bin/node/cli/Cargo.toml -- benchmark pallet --chain=dev --steps=50 --repeat=20 --pallet=pallet_uniques --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --output=./frame/uniques/src/weights.rs --template=./.maintain/frame-weight-template.hbs

* Update frame/uniques/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

Co-authored-by: Parity Bot <admin@parity.io>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
This commit is contained in:
Jegor Sidorenko
2022-05-18 13:23:44 +02:00
committed by GitHub
parent ce77cb1735
commit 236cc98be2
5 changed files with 199 additions and 63 deletions
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substrate/frame/uniques/src/lib.rs
+52
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@@ -245,6 +245,11 @@ pub mod pallet {
OptionQuery,
>;
#[pallet::storage]
/// Keeps track of the number of items a collection might have.
pub(super) type CollectionMaxSupply<T: Config<I>, I: 'static = ()> =
StorageMap<_, Blake2_128Concat, T::CollectionId, u32, OptionQuery>;
#[pallet::event]
#[pallet::generate_deposit(pub(super) fn deposit_event)]
pub enum Event<T: Config<I>, I: 'static = ()> {
@@ -334,6 +339,8 @@ pub mod pallet {
},
/// Ownership acceptance has changed for an account.
OwnershipAcceptanceChanged { who: T::AccountId, maybe_collection: Option<T::CollectionId> },
/// Max supply has been set for a collection.
CollectionMaxSupplySet { collection: T::CollectionId, max_supply: u32 },
}
#[pallet::error]
@@ -362,6 +369,12 @@ pub mod pallet {
Unaccepted,
/// The item is locked.
Locked,
/// All items have been minted.
MaxSupplyReached,
/// The max supply has already been set.
MaxSupplyAlreadySet,
/// The provided max supply is less to the amount of items a collection already has.
MaxSupplyTooSmall,
}
impl<T: Config<I>, I: 'static> Pallet<T, I> {
@@ -1356,5 +1369,44 @@ pub mod pallet {
Self::deposit_event(Event::OwnershipAcceptanceChanged { who, maybe_collection });
Ok(())
}
/// Set the maximum amount of items a collection could have.
///
/// Origin must be either `ForceOrigin` or `Signed` and the sender should be the Owner of
/// the `collection`.
///
/// Note: This function can only succeed once per collection.
///
/// - `collection`: The identifier of the collection to change.
/// - `max_supply`: The maximum amount of items a collection could have.
///
/// Emits `CollectionMaxSupplySet` event when successful.
#[pallet::weight(T::WeightInfo::set_collection_max_supply())]
pub fn set_collection_max_supply(
origin: OriginFor<T>,
collection: T::CollectionId,
max_supply: u32,
) -> DispatchResult {
let maybe_check_owner = T::ForceOrigin::try_origin(origin)
.map(|_| None)
.or_else(|origin| ensure_signed(origin).map(Some))?;
ensure!(
!CollectionMaxSupply::<T, I>::contains_key(&collection),
Error::<T, I>::MaxSupplyAlreadySet
);
let details =
Collection::<T, I>::get(&collection).ok_or(Error::<T, I>::UnknownCollection)?;
if let Some(check_owner) = &maybe_check_owner {
ensure!(check_owner == &details.owner, Error::<T, I>::NoPermission);
}
ensure!(details.items <= max_supply, Error::<T, I>::MaxSupplyTooSmall);
CollectionMaxSupply::<T, I>::insert(&collection, max_supply);
Self::deposit_event(Event::CollectionMaxSupplySet { collection, max_supply });
Ok(())
}
}
}