git.delta.rocks / unique-network / refs/commits / a62a4b76664a

452		token: TokenId,452		token: TokenId,
453		amount: u128,453		amount: u128,
454	) -> DispatchResult {454	) -> DispatchResult {
455		if <Balance<T>>::get((collection.id, token, owner)) == 0 {
456			return Err(<CommonError<T>>::MustBeTokenOwner.into());
457		}
458
455		let total_supply = <TotalSupply<T>>::get((collection.id, token))459		let total_supply = <TotalSupply<T>>::get((collection.id, token))
456			.checked_sub(amount)460			.checked_sub(amount)
740744
741		let initial_balance_from = <Balance<T>>::get((collection.id, token, from));745		let initial_balance_from = <Balance<T>>::get((collection.id, token, from));
746
747		if initial_balance_from == 0 {
748			return Err(<CommonError<T>>::MustBeTokenOwner.into());
749		}
750
742		let updated_balance_from = initial_balance_from751		let updated_balance_from = initial_balance_from
743			.checked_sub(amount)752			.checked_sub(amount)
744			.ok_or(<CommonError<T>>::TokenValueTooLow)?;753			.ok_or(<CommonError<T>>::TokenValueTooLow)?;
745		let mut create_target = false;754		let mut create_target = false;
746		let from_to_differ = from != to;755		let from_to_differ = from != to;
747		let updated_balance_to = if from != to {756		let updated_balance_to = if from != to && amount != 0 {
748			let old_balance = <Balance<T>>::get((collection.id, token, to));757			let old_balance = <Balance<T>>::get((collection.id, token, to));
749			if old_balance == 0 {758			if old_balance == 0 {
750				create_target = true;759				create_target = true;
786795
787		// =========796		// =========
797
798		if let Some(updated_balance_to) = updated_balance_to {
799			// from != to && amount != 0
788800
789		<PalletStructure<T>>::nest_if_sent_to_token(801			<PalletStructure<T>>::nest_if_sent_to_token(
790			from.clone(),802				from.clone(),
794			nesting_budget,806				nesting_budget,
795		)?;807			)?;
796808
797		if let Some(updated_balance_to) = updated_balance_to {
798			// from != to
799			if updated_balance_from == 0 {809			if updated_balance_from == 0 {
800				<Balance<T>>::remove((collection.id, token, from));810				<Balance<T>>::remove((collection.id, token, from));
801				<PalletStructure<T>>::unnest_if_nested(from, collection.id, token);811				<PalletStructure<T>>::unnest_if_nested(from, collection.id, token);
811				<AccountBalance<T>>::insert((collection.id, to), account_balance_to);821				<AccountBalance<T>>::insert((collection.id, to), account_balance_to);
812				<Owned<T>>::insert((collection.id, to, token), true);822				<Owned<T>>::insert((collection.id, to, token), true);
813			}823			}
814		}824		}
815825
816		<PalletEvm<T>>::deposit_log(826		<PalletEvm<T>>::deposit_log(
817			ERC20Events::Transfer {827			ERC20Events::Transfer {