Struct frame_support::traits::tokens::nonfungible_v2::ItemOf

pub struct ItemOf<F: Inspect<AccountId>, A: Get<<F as Inspect<AccountId>>::CollectionId>, AccountId>(_);

Convert a nonfungibles trait implementation into a nonfungible trait implementation by identifying a single item.

Trait Implementations

impl<F: Inspect<AccountId>, A: Get<<F as Inspect<AccountId>>::CollectionId>, AccountId> Inspect<AccountId> for ItemOf<F, A, AccountId>

type ItemId = <F as Inspect<AccountId>>::ItemId

Type for identifying an item.

fn owner(item: &Self::ItemId) -> Option<AccountId>

Returns the owner of item, or None if the item doesn’t exist or has no owner.

fn attribute(item: &Self::ItemId, key: &[u8]) -> Option<Vec<u8>>

Returns the attribute value of item corresponding to key.

fn custom_attribute(
    account: &AccountId,
    item: &Self::ItemId,
    key: &[u8]
) -> Option<Vec<u8>>

Returns the custom attribute value of item corresponding to key.

fn system_attribute(item: &Self::ItemId, key: &[u8]) -> Option<Vec<u8>>

Returns the system attribute value of item corresponding to key.

fn typed_attribute<K: Encode, V: Decode>(
    item: &Self::ItemId,
    key: &K
) -> Option<V>

Returns the strongly-typed attribute value of item corresponding to key.

fn typed_custom_attribute<K: Encode, V: Decode>(
    account: &AccountId,
    item: &Self::ItemId,
    key: &K
) -> Option<V>

Returns the strongly-typed custom attribute value of item corresponding to key.

fn typed_system_attribute<K: Encode, V: Decode>(
    item: &Self::ItemId,
    key: &K
) -> Option<V>

Returns the strongly-typed system attribute value of item corresponding to key.

fn can_transfer(item: &Self::ItemId) -> bool

Returns true if the item may be transferred.

impl<F: InspectEnumerable<AccountId>, A: Get<<F as Inspect<AccountId>>::CollectionId>, AccountId> InspectEnumerable<AccountId> for ItemOf<F, A, AccountId>

type ItemsIterator = <F as InspectEnumerable<AccountId>>::ItemsIterator

The iterator type for Self::items.

type OwnedIterator = <F as InspectEnumerable<AccountId>>::OwnedInCollectionIterator

The iterator type for Self::owned.

fn items() -> Self::ItemsIterator

Returns an iterator of the items within a collection in existence.

fn owned(who: &AccountId) -> Self::OwnedIterator

Returns an iterator of the items of all collections owned by who.

impl<F: Mutate<AccountId, ItemConfig>, A: Get<<F as Inspect<AccountId>>::CollectionId>, AccountId, ItemConfig> Mutate<AccountId, ItemConfig> for ItemOf<F, A, AccountId>

fn mint_into(
    item: &Self::ItemId,
    who: &AccountId,
    config: &ItemConfig,
    deposit_collection_owner: bool
) -> DispatchResult

Mint some item to be owned by who.

fn burn(
    item: &Self::ItemId,
    maybe_check_owner: Option<&AccountId>
) -> DispatchResult

Burn some item.

fn set_attribute(item: &Self::ItemId, key: &[u8], value: &[u8]) -> DispatchResult

Set attribute value of item’s key.

fn set_typed_attribute<K: Encode, V: Encode>(
    item: &Self::ItemId,
    key: &K,
    value: &V
) -> DispatchResult

Attempt to set the strongly-typed attribute value of item’s key.

fn clear_attribute(item: &Self::ItemId, key: &[u8]) -> DispatchResult

Clear attribute of item’s key.

fn clear_typed_attribute<K: Encode>(
    item: &Self::ItemId,
    key: &K
) -> DispatchResult

Attempt to clear the strongly-typed attribute of item’s key.

impl<F: Transfer<AccountId>, A: Get<<F as Inspect<AccountId>>::CollectionId>, AccountId> Transfer<AccountId> for ItemOf<F, A, AccountId>

fn transfer(item: &Self::ItemId, destination: &AccountId) -> DispatchResult

Transfer item into destination account.