Struct hydradx_adapters::MultiCurrencyTrader
source · pub struct MultiCurrencyTrader<AssetId, Balance: FixedPointOperand + TryInto<u128>, Price: FixedPointNumber, ConvertWeightToFee: WeightToFee<Balance = Balance>, AcceptedCurrencyPrices: NativePriceOracle<AssetId, Price>, ConvertCurrency: Convert<MultiAsset, Option<AssetId>>, Revenue: TakeRevenue> { /* private fields */ }Expand description
Weight trader that accepts multiple assets as weight fee payment.
It uses WeightToFee in combination with a NativePriceOracle to set the right price for weight.
Keeps track of the assets used to pay for weight and can refund them one by one (interface only
allows returning one asset per refund). Will pass any remaining assets on Drop to
TakeRevenue.
Trait Implementations§
source§impl<AssetId, Balance: FixedPointOperand + TryInto<u128>, Price: FixedPointNumber, ConvertWeightToFee: WeightToFee<Balance = Balance>, AcceptedCurrencyPrices: NativePriceOracle<AssetId, Price>, ConvertCurrency: Convert<MultiAsset, Option<AssetId>>, Revenue: TakeRevenue> Drop for MultiCurrencyTrader<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue>
impl<AssetId, Balance: FixedPointOperand + TryInto<u128>, Price: FixedPointNumber, ConvertWeightToFee: WeightToFee<Balance = Balance>, AcceptedCurrencyPrices: NativePriceOracle<AssetId, Price>, ConvertCurrency: Convert<MultiAsset, Option<AssetId>>, Revenue: TakeRevenue> Drop for MultiCurrencyTrader<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue>
We implement Drop so that when the weight trader is dropped at the end of XCM execution, the
generated revenue is stored on-chain. This is configurable via the Revenue generic.
source§impl<AssetId, Balance: FixedPointOperand + TryInto<u128>, Price: FixedPointNumber, ConvertWeightToFee: WeightToFee<Balance = Balance>, AcceptedCurrencyPrices: NativePriceOracle<AssetId, Price>, ConvertCurrency: Convert<MultiAsset, Option<AssetId>>, Revenue: TakeRevenue> WeightTrader for MultiCurrencyTrader<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue>
impl<AssetId, Balance: FixedPointOperand + TryInto<u128>, Price: FixedPointNumber, ConvertWeightToFee: WeightToFee<Balance = Balance>, AcceptedCurrencyPrices: NativePriceOracle<AssetId, Price>, ConvertCurrency: Convert<MultiAsset, Option<AssetId>>, Revenue: TakeRevenue> WeightTrader for MultiCurrencyTrader<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue>
source§fn buy_weight(
&mut self,
weight: Weight,
payment: Assets
) -> Result<Assets, XcmError>
fn buy_weight(
&mut self,
weight: Weight,
payment: Assets
) -> Result<Assets, XcmError>
Will try to buy weight with the first asset in payment.
This is a reasonable strategy as the BuyExecution XCM instruction only passes one asset
per buy.
The fee is determined by ConvertWeightToFee in combination with the price determined by
AcceptedCurrencyPrices.
source§fn refund_weight(&mut self, weight: Weight) -> Option<MultiAsset>
fn refund_weight(&mut self, weight: Weight) -> Option<MultiAsset>
Will refund up to weight from the first asset tracked by the trader.
Auto Trait Implementations§
impl<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue> RefUnwindSafe for MultiCurrencyTrader<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue>where
AcceptedCurrencyPrices: RefUnwindSafe,
AssetId: RefUnwindSafe,
Balance: RefUnwindSafe,
ConvertCurrency: RefUnwindSafe,
ConvertWeightToFee: RefUnwindSafe,
Price: RefUnwindSafe,
Revenue: RefUnwindSafe,
impl<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue> Send for MultiCurrencyTrader<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue>where
AcceptedCurrencyPrices: Send,
AssetId: Send,
Balance: Send,
ConvertCurrency: Send,
ConvertWeightToFee: Send,
Price: Send,
Revenue: Send,
impl<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue> Sync for MultiCurrencyTrader<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue>where
AcceptedCurrencyPrices: Sync,
AssetId: Sync,
Balance: Sync,
ConvertCurrency: Sync,
ConvertWeightToFee: Sync,
Price: Sync,
Revenue: Sync,
impl<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue> Unpin for MultiCurrencyTrader<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue>where
AcceptedCurrencyPrices: Unpin,
AssetId: Unpin,
Balance: Unpin,
ConvertCurrency: Unpin,
ConvertWeightToFee: Unpin,
Price: Unpin,
Revenue: Unpin,
impl<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue> UnwindSafe for MultiCurrencyTrader<AssetId, Balance, Price, ConvertWeightToFee, AcceptedCurrencyPrices, ConvertCurrency, Revenue>where
AcceptedCurrencyPrices: UnwindSafe,
AssetId: UnwindSafe,
Balance: UnwindSafe,
ConvertCurrency: UnwindSafe,
ConvertWeightToFee: UnwindSafe,
Price: UnwindSafe + RefUnwindSafe,
Revenue: UnwindSafe,
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