add new types for validations

Author: tlacloc

pallets/fruniques/src/functions.rs

@@ -39,7 +39,7 @@ impl<T: Config> Pallet<T> {
 		class_id: &T::CollectionId,
 		instance_id: &T::ItemId,
 		key: &Vec<u8>,
-	) -> BoundedVec<u8, T::ValueLimit> {
+	) -> AttributeValue<T> {
 		if let Some(a) = pallet_uniques::Pallet::<T>::attribute(class_id, instance_id, key) {
 			return BoundedVec::<u8, T::ValueLimit>::try_from(a)
 				.expect("Error on converting the attribute to BoundedVec");
@@ -55,8 +55,8 @@ impl<T: Config> Pallet<T> {
 		origin: OriginFor<T>,
 		class_id: &T::CollectionId,
 		instance_id: T::ItemId,
-		key: BoundedVec<u8, T::KeyLimit>,
-		value: BoundedVec<u8, T::ValueLimit>,
+		key: AttributeKey<T>,
+		value: AttributeValue<T>,
 	) -> DispatchResult {
 		pallet_uniques::Pallet::<T>::set_attribute(
 			origin,
@@ -106,6 +106,28 @@ impl<T: Config> Pallet<T> {
 		Ok(())
 	}
 
+	pub fn do_create_collection(
+		origin: OriginFor<T>,
+		class_id: T::CollectionId,
+		metadata: BoundedVec<u8, T::StringLimit>,
+		admin: <T::Lookup as sp_runtime::traits::StaticLookup>::Source,
+	) -> DispatchResult {
+		pallet_uniques::Pallet::<T>::create(
+			origin.clone(),
+			class_id,
+			admin,
+		)?;
+
+		pallet_uniques::Pallet::<T>::set_collection_metadata(
+			origin,
+			class_id,
+			metadata,
+			false
+		)?;
+
+		Ok(())
+	}
+
 	// TODO: add a function to transfer an instance
 	pub fn do_create(
 		origin: OriginFor<T>,

pallets/fruniques/src/lib.rs

@@ -31,6 +31,9 @@ pub mod pallet {
 	#[pallet::generate_store(pub(super) trait Store)]
 	pub struct Pallet<T>(_);
 
+	pub type AttributeKey<T> = BoundedVec<u8, <T as pallet_uniques::Config>::KeyLimit>;
+	pub type AttributeValue<T> = BoundedVec<u8, <T as pallet_uniques::Config>::ValueLimit>;
+
 	#[pallet::event]
 	#[pallet::generate_deposit(pub(super) fn deposit_event)]
 	pub enum Event<T: Config> {