git.delta.rocks / unique-network / refs/commits / 17276cf3fcc4

403			)?;403			)?;
404		}404		}
405
406		let updated_balances = data
407			.into_iter()
408			.map(|(user, amount)| {
409				let updated_balance = <Balance<T>>::get((collection.id, &user))
410					.checked_add(amount)
411					.ok_or(ArithmeticError::Overflow)?;
412				Ok((user, amount, updated_balance))
413			})
414			.collect::<Result<Vec<_>, DispatchError>>()?;
405415
406		// =========416		// =========
407417
408		<TotalSupply<T>>::insert(collection.id, total_supply);418		<TotalSupply<T>>::insert(collection.id, total_supply);
409		for (user, amount) in data {419		for (user, amount, updated_balance) in updated_balances {
410			let updated_balance = <Balance<T>>::get((collection.id, &user))
411				.checked_add(amount)
412				.ok_or(ArithmeticError::Overflow)?;
413			<Balance<T>>::insert((collection.id, &user), updated_balance);420			<Balance<T>>::insert((collection.id, &user), updated_balance);
414			<PalletStructure<T>>::nest_if_sent_to_token_unchecked(421			<PalletStructure<T>>::nest_if_sent_to_token_unchecked(
415				&user,422				&user,