mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-26 04:11:09 +00:00
Gavin Wood
ec21c0a24d
* Fixes for new API * Formatting * Fixes * Fixes * Further fixes * XCMP dispatch events mention message ID * XCMP event includes ID * Add DMP message ID functionality * Integrate into test parachains * Remove WithUniqueTopic usage * Use new primitive * Formatting * undiener * Revert lock * Fixes * Fixes * Fixes * Fixes * Formatting * message_hash becomes message_id * Rename * Another Rename * Fixes * Fix * Bump * Fixes * Grumble.
66 lines
2.5 KiB
Rust
66 lines
2.5 KiB
Rust
use crate::impls::AccountIdOf;
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use core::marker::PhantomData;
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use frame_support::{
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log,
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traits::{fungibles::Inspect, tokens::ConversionToAssetBalance, ContainsPair},
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weights::Weight,
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};
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use sp_runtime::traits::Get;
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use xcm::latest::prelude::*;
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/// A `ChargeFeeInFungibles` implementation that converts the output of
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/// a given WeightToFee implementation an amount charged in
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/// a particular assetId from pallet-assets
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pub struct AssetFeeAsExistentialDepositMultiplier<
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Runtime,
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WeightToFee,
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BalanceConverter,
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AssetInstance: 'static,
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>(PhantomData<(Runtime, WeightToFee, BalanceConverter, AssetInstance)>);
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impl<CurrencyBalance, Runtime, WeightToFee, BalanceConverter, AssetInstance>
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cumulus_primitives_utility::ChargeWeightInFungibles<
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AccountIdOf<Runtime>,
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pallet_assets::Pallet<Runtime, AssetInstance>,
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> for AssetFeeAsExistentialDepositMultiplier<Runtime, WeightToFee, BalanceConverter, AssetInstance>
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where
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Runtime: pallet_assets::Config<AssetInstance>,
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WeightToFee: frame_support::weights::WeightToFee<Balance = CurrencyBalance>,
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BalanceConverter: ConversionToAssetBalance<
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CurrencyBalance,
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<Runtime as pallet_assets::Config<AssetInstance>>::AssetId,
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<Runtime as pallet_assets::Config<AssetInstance>>::Balance,
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>,
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AccountIdOf<Runtime>:
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From<polkadot_primitives::AccountId> + Into<polkadot_primitives::AccountId>,
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{
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fn charge_weight_in_fungibles(
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asset_id: <pallet_assets::Pallet<Runtime, AssetInstance> as Inspect<
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AccountIdOf<Runtime>,
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>>::AssetId,
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weight: Weight,
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) -> Result<
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<pallet_assets::Pallet<Runtime, AssetInstance> as Inspect<AccountIdOf<Runtime>>>::Balance,
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XcmError,
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> {
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let amount = WeightToFee::weight_to_fee(&weight);
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// If the amount gotten is not at least the ED, then make it be the ED of the asset
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// This is to avoid burning assets and decreasing the supply
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let asset_amount = BalanceConverter::to_asset_balance(amount, asset_id)
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.map_err(|_| XcmError::TooExpensive)?;
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Ok(asset_amount)
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}
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}
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/// Accepts an asset if it is a native asset from a particular `MultiLocation`.
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pub struct ConcreteNativeAssetFrom<Location>(PhantomData<Location>);
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impl<Location: Get<MultiLocation>> ContainsPair<MultiAsset, MultiLocation>
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for ConcreteNativeAssetFrom<Location>
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{
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fn contains(asset: &MultiAsset, origin: &MultiLocation) -> bool {
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log::trace!(target: "xcm::filter_asset_location",
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"ConcreteNativeAsset asset: {:?}, origin: {:?}, location: {:?}",
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asset, origin, Location::get());
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matches!(asset.id, Concrete(ref id) if id == origin && origin == &Location::get())
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}
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}
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