git.delta.rocks / unique-network / refs/commits / 1358a9bd6efb

379		let balance_from = <Balance<T>>::get((collection.id, from))379		let balance_from = <Balance<T>>::get((collection.id, from))
380			.checked_sub(amount)380			.checked_sub(amount)
381			.ok_or(<CommonError<T>>::TokenValueTooLow)?;381			.ok_or(<CommonError<T>>::TokenValueTooLow)?;
382		let balance_to = if from != to {382		let balance_to = if from != to && amount != 0 {
383			Some(383			Some(
384				<Balance<T>>::get((collection.id, to))384				<Balance<T>>::get((collection.id, to))
385					.checked_add(amount)385					.checked_add(amount)
391391
392		// =========392		// =========
393
394		if let Some(balance_to) = balance_to {
395			// from != to && amount != 0
393396
394		<PalletStructure<T>>::nest_if_sent_to_token(397			<PalletStructure<T>>::nest_if_sent_to_token(
395			from.clone(),398				from.clone(),
399			nesting_budget,402				nesting_budget,
400		)?;403			)?;
401404
402		if let Some(balance_to) = balance_to {
403			// from != to
404			if balance_from == 0 {405			if balance_from == 0 {
405				<Balance<T>>::remove((collection.id, from));406				<Balance<T>>::remove((collection.id, from));
406				<PalletStructure<T>>::unnest_if_nested(from, collection.id, TokenId::default());407				<PalletStructure<T>>::unnest_if_nested(from, collection.id, TokenId::default());
407			} else {408			} else {
408				<Balance<T>>::insert((collection.id, from), balance_from);409				<Balance<T>>::insert((collection.id, from), balance_from);
409			}410			}
410			<Balance<T>>::insert((collection.id, to), balance_to);411			<Balance<T>>::insert((collection.id, to), balance_to);
411		}412		}
412413
413		<PalletEvm<T>>::deposit_log(414		<PalletEvm<T>>::deposit_log(
414			ERC20Events::Transfer {415			ERC20Events::Transfer {