Struct orml_asset_registry::AssetRegistryTrader
source · pub struct AssetRegistryTrader<W: WeightToFeeConverter, R: TakeRevenue> { /* private fields */ }Expand description
A WeightTrader implementation that tries to buy weight using a single
currency. It tries all assets in payment and uses the first asset that can
cover the weight. This asset is then “locked in” - later calls to
buy_weight in the same xcm message only try the same asset.
This is because only a single asset can be refunded due to the return type
of refund_weight. This implementation assumes that WeightToFeeConverter
implements a linear function, i.e. fee(x) + fee(y) = fee(x+y).
Trait Implementations§
source§impl<W: WeightToFeeConverter, R: TakeRevenue> Drop for AssetRegistryTrader<W, R>
impl<W: WeightToFeeConverter, R: TakeRevenue> Drop for AssetRegistryTrader<W, R>
source§impl<W: WeightToFeeConverter, R: TakeRevenue> WeightTrader for AssetRegistryTrader<W, R>
impl<W: WeightToFeeConverter, R: TakeRevenue> WeightTrader for AssetRegistryTrader<W, R>
source§fn buy_weight(
&mut self,
weight: XcmWeight,
payment: Assets,
_context: &XcmContext
) -> Result<Assets, XcmError>
fn buy_weight( &mut self, weight: XcmWeight, payment: Assets, _context: &XcmContext ) -> Result<Assets, XcmError>
Purchase execution weight credit in return for up to a given
payment. If less of the
payment is required then the surplus is returned. If the payment cannot be used to pay
for the weight, then an error is returned.source§fn refund_weight(
&mut self,
weight: XcmWeight,
_context: &XcmContext
) -> Option<MultiAsset>
fn refund_weight( &mut self, weight: XcmWeight, _context: &XcmContext ) -> Option<MultiAsset>
Attempt a refund of
weight into some asset. The caller does not guarantee that the weight
was purchased using buy_weight. Read moreAuto Trait Implementations§
impl<W, R> RefUnwindSafe for AssetRegistryTrader<W, R>where R: RefUnwindSafe, W: RefUnwindSafe,
impl<W, R> Send for AssetRegistryTrader<W, R>where R: Send, W: Send,
impl<W, R> Sync for AssetRegistryTrader<W, R>where R: Sync, W: Sync,
impl<W, R> Unpin for AssetRegistryTrader<W, R>where R: Unpin, W: Unpin,
impl<W, R> UnwindSafe for AssetRegistryTrader<W, R>where R: UnwindSafe, W: UnwindSafe,
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