add new events for regions pallet

pallets/regions/src/lib.rs

@@ -129,6 +129,30 @@ pub mod pallet {
 			/// The ismp get request commitment.
 			request_commitment: H256,
 		},
+
+		/// A region was minted via a cross chain transfer.
+		RegionMinted {
+			/// minted region id
+			region_id: RegionId,
+		},
+
+		/// A region was burnt.
+		RegionBurnt {
+			/// burnt region id
+			region_id: RegionId,
+		},
+
+		/// A region was locked.
+		RegionLocked {
+			/// locked region id
+			region_id: RegionId,
+		},
+
+		/// A region was unlocked.
+		RegionUnlocked {
+			/// unlocked region id
+			region_id: RegionId,
+		},
 	}
 
 	#[pallet::error]

pallets/regions/src/nonfungible_impls.rs

@@ -70,6 +70,8 @@ impl<T: Config> Mutate<T::AccountId> for Pallet<T> {
 			Region { owner: who.clone(), locked: false, record: Record::Unavailable },
 		);
 
+		Pallet::<T>::deposit_event(Event::RegionMinted { region_id });
+
 		log::info!(
 			target: LOG_TARGET,
 			"Minted region: {:?}",
@@ -90,6 +92,8 @@ impl<T: Config> Mutate<T::AccountId> for Pallet<T> {
 
 		Regions::<T>::remove(region_id);
 
+		Pallet::<T>::deposit_event(Event::RegionBurnt { region_id });
+
 		Ok(())
 	}
 }
@@ -111,7 +115,10 @@ impl<T: Config> RegionInspect<T::AccountId, BalanceOf<T>> for Pallet<T> {
 impl<T: Config> LockableNonFungible<T::AccountId> for Pallet<T> {
 	fn lock(item: &Self::ItemId, maybe_check_owner: Option<T::AccountId>) -> DispatchResult {
 		let region_id: RegionId = (*item).into();
-		let mut region = Regions::<T>::get(region_id).ok_or(Error::<T>::UnknownRegion)?;
+		let mut region: Region<
+			<T as Config>::AccountId,
+			<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance,
+		> = Regions::<T>::get(region_id).ok_or(Error::<T>::UnknownRegion)?;
 
 		if let Some(owner) = maybe_check_owner {
 			ensure!(owner.clone() == region.owner, Error::<T>::NotOwner);
@@ -121,6 +128,7 @@ impl<T: Config> LockableNonFungible<T::AccountId> for Pallet<T> {
 		region.locked = true;
 		Regions::<T>::insert(region_id, region);
 
+		Pallet::<T>::deposit_event(Event::RegionLocked { region_id });
 		Ok(())
 	}
 
@@ -136,6 +144,8 @@ impl<T: Config> LockableNonFungible<T::AccountId> for Pallet<T> {
 		region.locked = false;
 		Regions::<T>::insert(region_id, region);
 
+		Pallet::<T>::deposit_event(Event::RegionUnlocked { region_id });
+
 		Ok(())
 	}
 }