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

Convert a fungibles trait implementation into a fungible trait implementation by identifying a single item.

Trait Implementations§

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impl<F: BalancedHold<AccountId>, A: Get<<F as Inspect<AccountId>>::AssetId>, AccountId> Balanced<AccountId> for ItemOf<F, A, AccountId>

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fn slash( reason: &Self::Reason, who: &AccountId, amount: Self::Balance ) -> (Credit<AccountId, Self>, Self::Balance)

Reduce the balance of some funds on hold in an account. Read more
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fn done_slash(_reason: &Self::Reason, _who: &AccountId, _amount: Self::Balance)

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impl<F: Inspect<AccountId> + Unbalanced<AccountId> + Balanced<AccountId>, A: Get<<F as Inspect<AccountId>>::AssetId>, AccountId> Balanced<AccountId> for ItemOf<F, A, AccountId>

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type OnDropDebt = ConvertImbalanceDropHandler<AccountId, <ItemOf<F, A, AccountId> as Inspect<AccountId>>::Balance, <F as Inspect<AccountId>>::AssetId, A, <F as Balanced<AccountId>>::OnDropDebt>

The type for managing what happens when an instance of Debt is dropped without being used.
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type OnDropCredit = ConvertImbalanceDropHandler<AccountId, <ItemOf<F, A, AccountId> as Inspect<AccountId>>::Balance, <F as Inspect<AccountId>>::AssetId, A, <F as Balanced<AccountId>>::OnDropCredit>

The type for managing what happens when an instance of Credit is dropped without being used.
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fn deposit( who: &AccountId, value: Self::Balance, precision: Precision ) -> Result<Debt<AccountId, Self>, DispatchError>

Mints value into the account of who, creating it as needed. Read more
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fn issue(amount: Self::Balance) -> Credit<AccountId, Self>

Increase the total issuance by amount and return the according imbalance. The imbalance will typically be used to increase an account by the same amount with e.g. resolve_into_existing or resolve_creating. Read more
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fn pair( amount: Self::Balance ) -> (Debt<AccountId, Self>, Credit<AccountId, Self>)

Produce a pair of imbalances that cancel each other out exactly. Read more
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fn rescind(amount: Self::Balance) -> Debt<AccountId, Self>

Reduce the total issuance by amount and return the according imbalance. The imbalance will typically be used to reduce an account by the same amount with e.g. settle. Read more
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fn resolve( who: &AccountId, credit: Credit<AccountId, Self> ) -> Result<(), Credit<AccountId, Self>>

The balance of who is increased in order to counter credit. If the whole of credit cannot be countered, then nothing is changed and the original credit is returned in an Err. Read more
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fn settle( who: &AccountId, debt: Debt<AccountId, Self>, preservation: Preservation ) -> Result<Credit<AccountId, Self>, Debt<AccountId, Self>>

The balance of who is decreased in order to counter debt. If the whole of debt cannot be countered, then nothing is changed and the original debt is returned in an Err.
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fn withdraw( who: &AccountId, value: Self::Balance, precision: Precision, preservation: Preservation, force: Fortitude ) -> Result<Credit<AccountId, Self>, DispatchError>

Removes value balance from who account if possible. Read more
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fn done_rescind(_amount: Self::Balance)

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fn done_issue(_amount: Self::Balance)

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fn done_deposit(_who: &AccountId, _amount: Self::Balance)

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fn done_withdraw(_who: &AccountId, _amount: Self::Balance)

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

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

An identifier for a freeze.
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fn balance_frozen(id: &Self::Id, who: &AccountId) -> Self::Balance

Amount of funds held in reserve by who for the given id.
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fn balance_freezable(who: &AccountId) -> Self::Balance

The amount of the balance which can become frozen. Defaults to total_balance().
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fn can_freeze(id: &Self::Id, who: &AccountId) -> bool

Returns true if it’s possible to introduce a freeze for the given id onto the account of who. This will be true as long as the implementor supports as many concurrent freeze locks as there are possible values of id.
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impl<F: Inspect<AccountId>, A: Get<<F as Inspect<AccountId>>::AssetId>, AccountId> Inspect<AccountId> for ItemOf<F, A, AccountId>

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

Scalar type for representing balance of an account.
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fn total_issuance() -> Self::Balance

The total amount of issuance in the system.
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fn active_issuance() -> Self::Balance

The total amount of issuance in the system excluding those which are controlled by the system.
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fn minimum_balance() -> Self::Balance

The minimum balance any single account may have.
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fn balance(who: &AccountId) -> Self::Balance

Get the balance of who which does not include funds which are exclusively allocated to subsystems of the chain (“on hold” or “reserved”). Read more
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fn total_balance(who: &AccountId) -> Self::Balance

Get the total amount of funds whose ultimate beneficial ownership can be determined as who. Read more
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fn reducible_balance( who: &AccountId, preservation: Preservation, force: Fortitude ) -> Self::Balance

Get the maximum amount that who can withdraw/transfer successfully based on whether the account should be kept alive (preservation) or whether we are willing to force the reduction and potentially go below user-level restrictions on the minimum amount of the account. Read more
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fn can_deposit( who: &AccountId, amount: Self::Balance, provenance: Provenance ) -> DepositConsequence

Returns true if the balance of who may be increased by amount. Read more
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fn can_withdraw( who: &AccountId, amount: Self::Balance ) -> WithdrawConsequence<Self::Balance>

Returns Success if the balance of who may be decreased by amount, otherwise the consequence.
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impl<F: InspectHold<AccountId>, A: Get<<F as Inspect<AccountId>>::AssetId>, AccountId> Inspect<AccountId> for ItemOf<F, A, AccountId>

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

An identifier for a hold. Used for disambiguating different holds so that they can be individually replaced or removed and funds from one hold don’t accidentally become unreserved or slashed for another.
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fn reducible_total_balance_on_hold( who: &AccountId, force: Fortitude ) -> Self::Balance

Get the maximum amount that the total_balance_on_hold of who can be reduced successfully based on whether we are willing to force the reduction and potentially go below user-level restrictions on the minimum amount of the account. Note: This cannot bring the account into an inconsistent state with regards any required existential deposit. Read more
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fn hold_available(reason: &Self::Reason, who: &AccountId) -> bool

Returns true if it’s possible to place (additional) funds under a hold of a given reason. This may fail if the account has exhausted a limited number of concurrent holds or if it cannot be made to exist (e.g. there is no provider reference). Read more
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fn total_balance_on_hold(who: &AccountId) -> Self::Balance

Amount of funds on hold (for all hold reasons) of who.
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fn balance_on_hold(reason: &Self::Reason, who: &AccountId) -> Self::Balance

Amount of funds on hold (for the given reason) of who.
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fn can_hold( reason: &Self::Reason, who: &AccountId, amount: Self::Balance ) -> bool

Check to see if some amount of funds of who may be placed on hold for the given reason. Reasons why this may not be true: Read more
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fn ensure_can_hold( reason: &Self::Reason, who: &AccountId, amount: Self::Balance ) -> DispatchResult

Check to see if some amount of funds of who may be placed on hold with the given reason. Reasons why this may not be true: Read more
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impl<F: MutateHold<AccountId>, A: Get<<F as Inspect<AccountId>>::AssetId>, AccountId> Mutate<AccountId> for ItemOf<F, A, AccountId>

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fn hold( reason: &Self::Reason, who: &AccountId, amount: Self::Balance ) -> DispatchResult

Hold some funds in an account. If a hold for reason is already in place, then this will increase it.
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fn release( reason: &Self::Reason, who: &AccountId, amount: Self::Balance, precision: Precision ) -> Result<Self::Balance, DispatchError>

Release up to amount held funds in an account. Read more
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fn burn_held( reason: &Self::Reason, who: &AccountId, amount: Self::Balance, precision: Precision, force: Fortitude ) -> Result<Self::Balance, DispatchError>

Attempt to decrease the balance of who which is held for the given reason by amount. Read more
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fn transfer_on_hold( reason: &Self::Reason, source: &AccountId, dest: &AccountId, amount: Self::Balance, precision: Precision, mode: Restriction, force: Fortitude ) -> Result<Self::Balance, DispatchError>

Transfer held funds into a destination account. Read more
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fn transfer_and_hold( reason: &Self::Reason, source: &AccountId, dest: &AccountId, amount: Self::Balance, precision: Precision, preservation: Preservation, force: Fortitude ) -> Result<Self::Balance, DispatchError>

Transfer some amount of free balance from source to become owned by dest but on hold for reason. Read more
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fn done_hold(_reason: &Self::Reason, _who: &AccountId, _amount: Self::Balance)

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fn done_release( _reason: &Self::Reason, _who: &AccountId, _amount: Self::Balance )

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fn done_burn_held( _reason: &Self::Reason, _who: &AccountId, _amount: Self::Balance )

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fn done_transfer_on_hold( _reason: &Self::Reason, _source: &AccountId, _dest: &AccountId, _amount: Self::Balance )

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fn done_transfer_and_hold( _reason: &Self::Reason, _source: &AccountId, _dest: &AccountId, _transferred: Self::Balance )

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impl<F: MutateFreeze<AccountId>, A: Get<<F as Inspect<AccountId>>::AssetId>, AccountId> Mutate<AccountId> for ItemOf<F, A, AccountId>

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fn set_freeze( id: &Self::Id, who: &AccountId, amount: Self::Balance ) -> DispatchResult

Prevent actions which would reduce the balance of the account of who below the given amount and identify this restriction though the given id. Unlike extend_freeze, any outstanding freeze in place for who under the id are dropped. Read more
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fn extend_freeze( id: &Self::Id, who: &AccountId, amount: Self::Balance ) -> DispatchResult

Prevent the balance of the account of who from being reduced below the given amount and identify this restriction though the given id. Unlike set_freeze, this does not counteract any pre-existing freezes in place for who under the id. Also unlike set_freeze, in the case that amount is zero, this is no-op and never fails. Read more
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fn thaw(id: &Self::Id, who: &AccountId) -> DispatchResult

Remove an existing lock.
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impl<F: Mutate<AccountId>, A: Get<<F as Inspect<AccountId>>::AssetId>, AccountId> Mutate<AccountId> for ItemOf<F, A, AccountId>

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fn mint_into( who: &AccountId, amount: Self::Balance ) -> Result<Self::Balance, DispatchError>

Increase the balance of who by exactly amount, minting new tokens. If that isn’t possible then an Err is returned and nothing is changed.
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fn burn_from( who: &AccountId, amount: Self::Balance, precision: Precision, force: Fortitude ) -> Result<Self::Balance, DispatchError>

Decrease the balance of who by at least amount, possibly slightly more in the case of minimum-balance requirements, burning the tokens. If that isn’t possible then an Err is returned and nothing is changed. If successful, the amount of tokens reduced is returned.
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fn shelve( who: &AccountId, amount: Self::Balance ) -> Result<Self::Balance, DispatchError>

Attempt to decrease the asset balance of who by amount. Read more
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fn restore( who: &AccountId, amount: Self::Balance ) -> Result<Self::Balance, DispatchError>

Attempt to increase the asset balance of who by amount. Read more
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fn transfer( source: &AccountId, dest: &AccountId, amount: Self::Balance, preservation: Preservation ) -> Result<Self::Balance, DispatchError>

Transfer funds from one account into another.
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fn set_balance(who: &AccountId, amount: Self::Balance) -> Self::Balance

Simple infallible function to force an account to have a particular balance, good for use in tests and benchmarks but not recommended for production code owing to the lack of error reporting. Read more
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fn done_mint_into(_who: &AccountId, _amount: Self::Balance)

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fn done_burn_from(_who: &AccountId, _amount: Self::Balance)

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fn done_shelve(_who: &AccountId, _amount: Self::Balance)

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fn done_restore(_who: &AccountId, _amount: Self::Balance)

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fn done_transfer(_source: &AccountId, _dest: &AccountId, _amount: Self::Balance)

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

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fn handle_dust(dust: Dust<AccountId, Self>)where Self: Sized,

Do something with the dust which has been destroyed from the system. Dust can be converted into a Credit with the Balanced trait impl.
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fn write_balance( who: &AccountId, amount: Self::Balance ) -> Result<Option<Self::Balance>, DispatchError>

Forcefully set the balance of who to amount. Read more
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fn set_total_issuance(amount: Self::Balance)

Set the total issuance to amount.
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fn decrease_balance( who: &AccountId, amount: Self::Balance, precision: Precision, preservation: Preservation, force: Fortitude ) -> Result<Self::Balance, DispatchError>

Reduce the balance of who by amount. Read more
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fn increase_balance( who: &AccountId, amount: Self::Balance, precision: Precision ) -> Result<Self::Balance, DispatchError>

Increase the balance of who by amount. Read more
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fn handle_raw_dust(amount: Self::Balance)

Create some dust and handle it with Self::handle_dust. This is an unbalanced operation and it must only be used when an account is modified in a raw fashion, outside of the entire fungibles API. The amount is capped at Self::minimum_balance() - 1. Read more
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fn deactivate(_: Self::Balance)

Reduce the active issuance by some amount.
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fn reactivate(_: Self::Balance)

Increase the active issuance by some amount, up to the outstanding amount reduced.
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impl<F: UnbalancedHold<AccountId>, A: Get<<F as Inspect<AccountId>>::AssetId>, AccountId> Unbalanced<AccountId> for ItemOf<F, A, AccountId>

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fn set_balance_on_hold( reason: &Self::Reason, who: &AccountId, amount: Self::Balance ) -> DispatchResult

Forcefully set the balance on hold of who to amount. This is independent of any other balances on hold or the main (“free”) balance. Read more
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fn decrease_balance_on_hold( reason: &Self::Reason, who: &AccountId, amount: Self::Balance, precision: Precision ) -> Result<Self::Balance, DispatchError>

Reduce the balance on hold of who by amount. Read more
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fn increase_balance_on_hold( reason: &Self::Reason, who: &AccountId, amount: Self::Balance, precision: Precision ) -> Result<Self::Balance, DispatchError>

Increase the balance on hold of who by amount. Read more

Auto Trait Implementations§

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impl<F, A, AccountId> RefUnwindSafe for ItemOf<F, A, AccountId>where A: RefUnwindSafe, AccountId: RefUnwindSafe, F: RefUnwindSafe,

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impl<F, A, AccountId> Send for ItemOf<F, A, AccountId>where A: Send, AccountId: Send, F: Send,

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impl<F, A, AccountId> Sync for ItemOf<F, A, AccountId>where A: Sync, AccountId: Sync, F: Sync,

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impl<F, A, AccountId> Unpin for ItemOf<F, A, AccountId>where A: Unpin, AccountId: Unpin, F: Unpin,

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impl<F, A, AccountId> UnwindSafe for ItemOf<F, A, AccountId>where A: UnwindSafe, AccountId: UnwindSafe, F: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CheckedConversion for T

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fn checked_from<T>(t: T) -> Option<Self>where Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more
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fn checked_into<T>(self) -> Option<T>where Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, Outer> IsWrappedBy<Outer> for Twhere Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

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fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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impl<T> Pointable for T

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const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Selfwhere Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more
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fn saturated_into<T>(self) -> Twhere Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<S, T> UncheckedInto<T> for Swhere T: UncheckedFrom<S>,

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fn unchecked_into(self) -> T

The counterpart to unchecked_from.
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impl<T, S> UniqueSaturatedInto<T> for Swhere T: Bounded, S: TryInto<T>,

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fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> JsonSchemaMaybe for T

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impl<T> MaybeRefUnwindSafe for Twhere T: RefUnwindSafe,