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[NFTs] Track item's metadata depositor (#13124)

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* Refactor do_mint()

* Track the depositor of item's metadata

* Revert back the access control

* On collection destroy return the metadata deposit

* Clear the metadata on item burn returning the deposit

* Address comments

* Fix clippy

* Don't return Ok on non-existing attribute removal
This commit is contained in:
Jegor Sidorenko
2023-01-11 15:27:59 +02:00
committed by GitHub
parent 643b69c64d
commit 836acb1bd3
8 changed files with 162 additions and 107 deletions
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substrate/frame/nfts/src/features/create_delete_collection.rs
+7 -6
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@@ -82,12 +82,13 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
Account::<T, I>::remove((&details.owner, &collection, &item));
T::Currency::unreserve(&details.deposit.account, details.deposit.amount);
}
#[allow(deprecated)]
ItemMetadataOf::<T, I>::remove_prefix(&collection, None);
#[allow(deprecated)]
ItemPriceOf::<T, I>::remove_prefix(&collection, None);
#[allow(deprecated)]
PendingSwapOf::<T, I>::remove_prefix(&collection, None);
for (_, metadata) in ItemMetadataOf::<T, I>::drain_prefix(&collection) {
if let Some(depositor) = metadata.deposit.account {
T::Currency::unreserve(&depositor, metadata.deposit.amount);
}
}
let _ = ItemPriceOf::<T, I>::clear_prefix(&collection, witness.items, None);
let _ = PendingSwapOf::<T, I>::clear_prefix(&collection, witness.items, None);
CollectionMetadataOf::<T, I>::remove(&collection);
Self::clear_roles(&collection)?;