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Struct assets_common::PoolAdapter

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pub struct PoolAdapter<Runtime>(/* private fields */);
Expand description

Adapter implementation for accessing pools (pallet_asset_conversion) that uses AssetKind as a xcm::v* which could be different from the xcm::latest.

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impl<Runtime: Config<PoolId = (L, L), AssetKind = L>, L: TryFrom<Location> + TryInto<Location> + Clone + Decode + EncodeLike + PartialEq> PoolAdapter<Runtime>

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pub fn get_assets_in_pool_with(asset: Location) -> Result<Vec<AssetId>, ()>

Returns a vector of all assets in a pool with asset.

Should only be used in runtime APIs since it iterates over the whole pallet_asset_conversion::Pools map.

It takes in any version of an XCM Location but always returns the latest one. This is to allow some margin of migrating the pools when updating the XCM version.

An error of type () is returned if the version conversion fails for XCM locations. This error should be mapped by the caller to a more descriptive one.

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pub fn quote_price_tokens_for_exact_tokens( asset_1: Location, asset_2: Location, amount: Runtime::Balance, include_fees: bool, ) -> Result<Option<Runtime::Balance>, ()>

Provides a current prices. Wrapper over pallet_asset_conversion::Pallet::<T>::quote_price_tokens_for_exact_tokens.

An error of type () is returned if the version conversion fails for XCM locations. This error should be mapped by the caller to a more descriptive one.

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pub fn iter_assets_in_pool_with(asset: &L) -> impl Iterator<Item = L> + '_

Helper function for filtering pool.

Auto Trait Implementations§

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impl<Runtime> Freeze for PoolAdapter<Runtime>

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impl<Runtime> RefUnwindSafe for PoolAdapter<Runtime>
where Runtime: RefUnwindSafe,

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impl<Runtime> Send for PoolAdapter<Runtime>
where Runtime: Send,

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impl<Runtime> Sync for PoolAdapter<Runtime>
where Runtime: Sync,

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impl<Runtime> Unpin for PoolAdapter<Runtime>
where Runtime: Unpin,

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impl<Runtime> UnwindSafe for PoolAdapter<Runtime>
where Runtime: UnwindSafe,

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