git.delta.rocks / unique-network / refs/commits / e67fafd19a27

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132            // Generate next collection ID132            // Generate next collection ID
133            let next_id = NextCollectionID::get();133            let next_id = NextCollectionID::get()
134                .checked_add(1)
135                .expect("collection id error");
134136
135            NextCollectionID::put(next_id);137            NextCollectionID::put(next_id);
136138
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273            let current_index = <ItemListIndex>::get(collection_id);275            let current_index = <ItemListIndex>::get(collection_id)
276                .checked_add(1)
277                .expect("Item list index id error");
274278
275            Self::add_token_index(collection_id, current_index, new_item.owner.clone())?;279            Self::add_token_index(collection_id, current_index, new_item.owner.clone())?;
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