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pallet_asset_tx_payment

Struct FungiblesAdapter

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pub struct FungiblesAdapter<CON, HC>(/* private fields */);
Expand description

Implements the asset transaction for a balance to asset converter (implementing [ConversionToAssetBalance]) and a credit handler (implementing HandleCredit).

The credit handler is given the complete fee in terms of the asset used for the transaction.

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impl<T, CON, HC> OnChargeAssetTransaction<T> for FungiblesAdapter<CON, HC>
where T: Config, CON: ConversionToAssetBalance<<<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::Balance, <<T as Config>::Fungibles as Inspect<<T as Config>::AccountId>>::AssetId, <<T as Config>::Fungibles as Inspect<<T as Config>::AccountId>>::Balance>, HC: HandleCredit<T::AccountId, T::Fungibles>, <<T as Config>::Fungibles as Inspect<<T as Config>::AccountId>>::AssetId: FullCodec + Clone + MaybeSerializeDeserialize + Debug + Default + Eq + TypeInfo,

Default implementation for a runtime instantiating this pallet, a balance to asset converter and a credit handler.

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fn withdraw_fee( who: &T::AccountId, _call: &T::RuntimeCall, _info: &DispatchInfoOf<T::RuntimeCall>, asset_id: Self::AssetId, fee: Self::Balance, _tip: Self::Balance, ) -> Result<Self::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::AccountId, _call: &T::RuntimeCall, _info: &DispatchInfoOf<T::RuntimeCall>, asset_id: Self::AssetId, fee: Self::Balance, _tip: Self::Balance, ) -> Result<(), TransactionValidityError>

Ensure payment of the transaction fees can be withdrawn.

Note: The fee already includes the tip.

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fn correct_and_deposit_fee( who: &T::AccountId, _dispatch_info: &DispatchInfoOf<T::RuntimeCall>, _post_info: &PostDispatchInfoOf<T::RuntimeCall>, corrected_fee: Self::Balance, tip: Self::Balance, paid: Self::LiquidityInfo, ) -> Result<(<<T as Config>::Fungibles as Inspect<<T as Config>::AccountId>>::Balance, <<T as Config>::Fungibles as Inspect<<T as Config>::AccountId>>::Balance), TransactionValidityError>

Hand the fee and the tip over to the [HandleCredit] 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.

Returns the fee and tip in the asset used for payment as (fee, tip).

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type Balance = <<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::Balance

The underlying integer type in which fees are calculated.
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type AssetId = <<T as Config>::Fungibles as Inspect<<T as Config>::AccountId>>::AssetId

The type used to identify the assets used for transaction payment.
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type LiquidityInfo = Imbalance<<<T as Config>::Fungibles as Inspect<<T as Config>::AccountId>>::AssetId, <<T as Config>::Fungibles as Inspect<<T as Config>::AccountId>>::Balance, <<T as Config>::Fungibles as Balanced<<T as Config>::AccountId>>::OnDropCredit, <<T as Config>::Fungibles as Balanced<<T as Config>::AccountId>>::OnDropDebt>

The type used to store the intermediate values between pre- and post-dispatch.

Auto Trait Implementations§

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impl<CON, HC> Freeze for FungiblesAdapter<CON, HC>

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impl<CON, HC> RefUnwindSafe for FungiblesAdapter<CON, HC>
where CON: RefUnwindSafe, HC: RefUnwindSafe,

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impl<CON, HC> Send for FungiblesAdapter<CON, HC>
where CON: Send, HC: Send,

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impl<CON, HC> Sync for FungiblesAdapter<CON, HC>
where CON: Sync, HC: Sync,

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impl<CON, HC> Unpin for FungiblesAdapter<CON, HC>
where CON: Unpin, HC: Unpin,

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impl<CON, HC> UnwindSafe for FungiblesAdapter<CON, HC>
where CON: UnwindSafe, HC: UnwindSafe,

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