Struct pallet_evm::EVMCurrencyAdapter

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pub struct EVMCurrencyAdapter<C, OU>(_);
Expand description

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

Trait Implementations§

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impl<T, C, OU> OnChargeEVMTransaction<T> for EVMCurrencyAdapter<C, OU>where T: Config, C: Currency<<T as Config>::AccountId>, C::PositiveImbalance: Imbalance<<C as Currency<<T as Config>::AccountId>>::Balance, Opposite = C::NegativeImbalance>, C::NegativeImbalance: Imbalance<<C as Currency<<T as Config>::AccountId>>::Balance, Opposite = C::PositiveImbalance>, OU: OnUnbalanced<<C as Currency<<T as Config>::AccountId>>::NegativeImbalance>, U256: UniqueSaturatedInto<<C as Currency<<T as Config>::AccountId>>::Balance>,

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

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fn withdraw_fee(who: &H160, fee: U256) -> Result<Self::LiquidityInfo, Error<T>>

Before the transaction is executed the payment of the transaction fees need to be secured.
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fn correct_and_deposit_fee( who: &H160, corrected_fee: U256, base_fee: U256, already_withdrawn: Self::LiquidityInfo ) -> Self::LiquidityInfo

After the transaction was executed the actual fee can be calculated. This function should refund any overpaid fees and optionally deposit the corrected amount, and handles the base fee rationing using the provided OnUnbalanced implementation. Returns the NegativeImbalance - if any - produced by the priority fee.
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fn pay_priority_fee(tip: Self::LiquidityInfo)

Introduced in EIP1559 to handle the priority tip.

Auto Trait Implementations§

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

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

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

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

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

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

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