pallet-assets: Rename total_supply to amount

frame/assets/src/benchmarking.rs

@@ -220,7 +220,7 @@ benchmarks_instance_pallet! {
 		let amount = T::Balance::from(100u32);
 	}: _(SystemOrigin::Signed(caller.clone()), asset_id, caller_lookup, amount)
 	verify {
-		assert_last_event::<T, I>(Event::Issued { asset_id: asset_id.into(), owner: caller, total_supply: amount }.into());
+		assert_last_event::<T, I>(Event::Issued { asset_id: asset_id.into(), owner: caller, amount }.into());
 	}
 
 	burn {

frame/assets/src/functions.rs

@@ -355,17 +355,21 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
 				ensure!(check_issuer == details.issuer, Error::<T, I>::NoPermission);
 			}
 			debug_assert!(
-				T::Balance::max_value() - details.supply >= amount,
+				details.supply.checked_add(&amount).is_some(),
 				"checked in prep; qed"
 			);
+
 			details.supply = details.supply.saturating_add(amount);
+
 			Ok(())
 		})?;
+
 		Self::deposit_event(Event::Issued {
 			asset_id: id,
 			owner: beneficiary.clone(),
-			total_supply: amount,
+			amount,
 		});
+
 		Ok(())
 	}
 

frame/assets/src/lib.rs

@@ -445,7 +445,7 @@ pub mod pallet {
 		/// Some asset class was created.
 		Created { asset_id: T::AssetId, creator: T::AccountId, owner: T::AccountId },
 		/// Some assets were issued.
-		Issued { asset_id: T::AssetId, owner: T::AccountId, total_supply: T::Balance },
+		Issued { asset_id: T::AssetId, owner: T::AccountId, amount: T::Balance },
 		/// Some assets were transferred.
 		Transferred {
 			asset_id: T::AssetId,