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Struct kitchensink_runtime::CurrencyAdapter

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pub struct CurrencyAdapter<C, OU>(/* private fields */);
👎Deprecated: Please use the fungible trait and FungibleAdapter. This struct will be removed some time after March 2024.
Expand description

Implements the transaction payment for a pallet implementing the Currency trait (eg. the pallet_balances) using an unbalance handler (implementing OnUnbalanced).

The unbalance handler is given 2 unbalanceds in OnUnbalanced::on_unbalanceds: fee and then tip.

Trait Implementations§

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impl<T, C, OU> OnChargeTransaction<T> for CurrencyAdapter<C, OU>
where T: Config, C: Currency<<T as Config>::AccountId>, <C as Currency<<T as Config>::AccountId>>::PositiveImbalance: Imbalance<<C as Currency<<T as Config>::AccountId>>::Balance, Opposite = <C as Currency<<T as Config>::AccountId>>::NegativeImbalance>, <C as Currency<<T as Config>::AccountId>>::NegativeImbalance: Imbalance<<C as Currency<<T as Config>::AccountId>>::Balance, Opposite = <C as Currency<<T as Config>::AccountId>>::PositiveImbalance>, OU: OnUnbalanced<<C as Currency<<T as Config>::AccountId>>::NegativeImbalance>,

Default implementation for a Currency and an OnUnbalanced handler.

The unbalance handler is given 2 unbalanceds in OnUnbalanced::on_unbalanceds: fee and then tip.

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fn withdraw_fee( who: &<T as Config>::AccountId, _call: &<T as Config>::RuntimeCall, _info: &<<T as Config>::RuntimeCall as Dispatchable>::Info, fee: <CurrencyAdapter<C, OU> as OnChargeTransaction<T>>::Balance, tip: <CurrencyAdapter<C, OU> as OnChargeTransaction<T>>::Balance, ) -> Result<<CurrencyAdapter<C, OU> as OnChargeTransaction<T>>::LiquidityInfo, TransactionValidityError>

Withdraw the predicted fee from the transaction origin.

Note: The fee already includes the tip.

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fn can_withdraw_fee( who: &<T as Config>::AccountId, _call: &<T as Config>::RuntimeCall, _info: &<<T as Config>::RuntimeCall as Dispatchable>::Info, fee: <CurrencyAdapter<C, OU> as OnChargeTransaction<T>>::Balance, tip: <CurrencyAdapter<C, OU> as OnChargeTransaction<T>>::Balance, ) -> Result<(), TransactionValidityError>

Check if the predicted fee from the transaction origin can be withdrawn.

Note: The fee already includes the tip.

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fn correct_and_deposit_fee( who: &<T as Config>::AccountId, _dispatch_info: &<<T as Config>::RuntimeCall as Dispatchable>::Info, _post_info: &<<T as Config>::RuntimeCall as Dispatchable>::PostInfo, corrected_fee: <CurrencyAdapter<C, OU> as OnChargeTransaction<T>>::Balance, tip: <CurrencyAdapter<C, OU> as OnChargeTransaction<T>>::Balance, already_withdrawn: <CurrencyAdapter<C, OU> as OnChargeTransaction<T>>::LiquidityInfo, ) -> Result<(), TransactionValidityError>

Hand the fee and the tip over to the [OnUnbalanced] implementation. Since the predicted fee might have been too high, parts of the fee may be refunded.

Note: The corrected_fee already includes the tip.

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type LiquidityInfo = Option<<C as Currency<<T as Config>::AccountId>>::NegativeImbalance>

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type Balance = <C as Currency<<T as Config>::AccountId>>::Balance

The underlying integer type in which fees are calculated.
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fn endow_account( who: &<T as Config>::AccountId, amount: <CurrencyAdapter<C, OU> as OnChargeTransaction<T>>::Balance, )

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fn minimum_balance() -> <CurrencyAdapter<C, OU> as OnChargeTransaction<T>>::Balance

Auto Trait Implementations§

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impl<C, OU> Freeze for CurrencyAdapter<C, OU>

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impl<C, OU> RefUnwindSafe for CurrencyAdapter<C, OU>
where C: RefUnwindSafe, OU: RefUnwindSafe,

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impl<C, OU> Send for CurrencyAdapter<C, OU>
where C: Send, OU: Send,

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impl<C, OU> Sync for CurrencyAdapter<C, OU>
where C: Sync, OU: Sync,

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impl<C, OU> Unpin for CurrencyAdapter<C, OU>
where C: Unpin, OU: Unpin,

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impl<C, OU> UnwindSafe for CurrencyAdapter<C, OU>
where C: UnwindSafe, OU: UnwindSafe,

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