mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-30 09:21:04 +00:00
Gavin Wood
2a4edaf39c
* Fixups for new Convert APIs
* update lockfile for {"polkadot", "substrate"}
---------
Co-authored-by: parity-processbot <>
309 lines
9.6 KiB
Rust
309 lines
9.6 KiB
Rust
// Copyright (C) 2023 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#![cfg_attr(not(feature = "std"), no_std)]
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pub mod foreign_creators;
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pub mod fungible_conversion;
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pub mod matching;
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pub mod runtime_api;
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use crate::matching::{Equals, LocalMultiLocationPattern, ParentLocation, StartsWith};
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use frame_support::traits::EverythingBut;
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use parachains_common::AssetIdForTrustBackedAssets;
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use xcm::prelude::MultiLocation;
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use xcm_builder::{AsPrefixedGeneralIndex, MatchedConvertedConcreteId};
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use xcm_executor::traits::{Identity, JustTry};
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/// `MultiLocation` vs `AssetIdForTrustBackedAssets` converter for `TrustBackedAssets`
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pub type AssetIdForTrustBackedAssetsConvert<TrustBackedAssetsPalletLocation> =
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AsPrefixedGeneralIndex<TrustBackedAssetsPalletLocation, AssetIdForTrustBackedAssets, JustTry>;
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/// [`MatchedConvertedConcreteId`] converter dedicated for `TrustBackedAssets`
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pub type TrustBackedAssetsConvertedConcreteId<TrustBackedAssetsPalletLocation, Balance> =
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MatchedConvertedConcreteId<
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AssetIdForTrustBackedAssets,
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Balance,
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StartsWith<TrustBackedAssetsPalletLocation>,
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AssetIdForTrustBackedAssetsConvert<TrustBackedAssetsPalletLocation>,
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JustTry,
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>;
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/// AssetId used for identifying assets by MultiLocation.
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pub type MultiLocationForAssetId = MultiLocation;
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/// [`MatchedConvertedConcreteId`] converter dedicated for storing `AssetId` as `MultiLocation`.
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pub type MultiLocationConvertedConcreteId<MultiLocationFilter, Balance> =
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MatchedConvertedConcreteId<
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MultiLocationForAssetId,
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Balance,
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MultiLocationFilter,
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Identity,
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JustTry,
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>;
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/// [`MatchedConvertedConcreteId`] converter dedicated for storing `ForeignAssets` with `AssetId` as `MultiLocation`.
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///
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/// Excludes by default:
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/// - parent as relay chain
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/// - all local MultiLocations
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///
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/// `AdditionalMultiLocationExclusionFilter` can customize additional excluded MultiLocations
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pub type ForeignAssetsConvertedConcreteId<AdditionalMultiLocationExclusionFilter, Balance> =
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MultiLocationConvertedConcreteId<
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EverythingBut<(
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// Excludes relay/parent chain currency
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Equals<ParentLocation>,
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// Here we rely on fact that something like this works:
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// assert!(MultiLocation::new(1, X1(Parachain(100))).starts_with(&MultiLocation::parent()));
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// assert!(X1(Parachain(100)).starts_with(&Here));
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StartsWith<LocalMultiLocationPattern>,
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// Here we can exclude more stuff or leave it as `()`
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AdditionalMultiLocationExclusionFilter,
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)>,
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Balance,
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>;
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::matching::StartsWithExplicitGlobalConsensus;
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use sp_runtime::traits::MaybeEquivalence;
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use xcm::latest::prelude::*;
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use xcm_executor::traits::{Error as MatchError, MatchesFungibles};
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#[test]
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fn asset_id_for_trust_backed_assets_convert_works() {
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frame_support::parameter_types! {
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pub TrustBackedAssetsPalletLocation: MultiLocation = MultiLocation::new(5, X1(PalletInstance(13)));
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}
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let local_asset_id = 123456789 as AssetIdForTrustBackedAssets;
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let expected_reverse_ref =
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MultiLocation::new(5, X2(PalletInstance(13), GeneralIndex(local_asset_id.into())));
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assert_eq!(
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AssetIdForTrustBackedAssetsConvert::<TrustBackedAssetsPalletLocation>::convert_back(
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&local_asset_id
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)
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.unwrap(),
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expected_reverse_ref
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);
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assert_eq!(
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AssetIdForTrustBackedAssetsConvert::<TrustBackedAssetsPalletLocation>::convert(
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&expected_reverse_ref
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)
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.unwrap(),
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local_asset_id
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);
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}
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#[test]
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fn trust_backed_assets_match_fungibles_works() {
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frame_support::parameter_types! {
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pub TrustBackedAssetsPalletLocation: MultiLocation = MultiLocation::new(0, X1(PalletInstance(13)));
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}
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// setup convert
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type TrustBackedAssetsConvert =
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TrustBackedAssetsConvertedConcreteId<TrustBackedAssetsPalletLocation, u128>;
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let test_data = vec![
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// missing GeneralIndex
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(ma_1000(0, X1(PalletInstance(13))), Err(MatchError::AssetIdConversionFailed)),
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(
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ma_1000(0, X2(PalletInstance(13), GeneralKey { data: [0; 32], length: 32 })),
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Err(MatchError::AssetIdConversionFailed),
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),
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(
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ma_1000(0, X2(PalletInstance(13), Parachain(1000))),
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Err(MatchError::AssetIdConversionFailed),
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),
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// OK
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(ma_1000(0, X2(PalletInstance(13), GeneralIndex(1234))), Ok((1234, 1000))),
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(
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ma_1000(0, X3(PalletInstance(13), GeneralIndex(1234), GeneralIndex(2222))),
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Ok((1234, 1000)),
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),
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(
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ma_1000(
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0,
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X4(
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PalletInstance(13),
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GeneralIndex(1234),
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GeneralIndex(2222),
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GeneralKey { data: [0; 32], length: 32 },
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),
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),
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Ok((1234, 1000)),
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),
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// wrong pallet instance
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(
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ma_1000(0, X2(PalletInstance(77), GeneralIndex(1234))),
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Err(MatchError::AssetNotHandled),
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),
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(
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ma_1000(0, X3(PalletInstance(77), GeneralIndex(1234), GeneralIndex(2222))),
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Err(MatchError::AssetNotHandled),
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),
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// wrong parent
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(
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ma_1000(1, X2(PalletInstance(13), GeneralIndex(1234))),
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Err(MatchError::AssetNotHandled),
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),
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(
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ma_1000(1, X3(PalletInstance(13), GeneralIndex(1234), GeneralIndex(2222))),
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Err(MatchError::AssetNotHandled),
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),
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(
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ma_1000(1, X2(PalletInstance(77), GeneralIndex(1234))),
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Err(MatchError::AssetNotHandled),
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),
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(
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ma_1000(1, X3(PalletInstance(77), GeneralIndex(1234), GeneralIndex(2222))),
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Err(MatchError::AssetNotHandled),
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),
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// wrong parent
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(
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ma_1000(2, X2(PalletInstance(13), GeneralIndex(1234))),
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Err(MatchError::AssetNotHandled),
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),
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(
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ma_1000(2, X3(PalletInstance(13), GeneralIndex(1234), GeneralIndex(2222))),
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Err(MatchError::AssetNotHandled),
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),
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// missing GeneralIndex
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(ma_1000(0, X1(PalletInstance(77))), Err(MatchError::AssetNotHandled)),
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(ma_1000(1, X1(PalletInstance(13))), Err(MatchError::AssetNotHandled)),
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(ma_1000(2, X1(PalletInstance(13))), Err(MatchError::AssetNotHandled)),
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];
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for (multi_asset, expected_result) in test_data {
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assert_eq!(
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<TrustBackedAssetsConvert as MatchesFungibles<AssetIdForTrustBackedAssets, u128>>::matches_fungibles(&multi_asset),
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expected_result, "multi_asset: {:?}", multi_asset);
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}
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}
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#[test]
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fn multi_location_converted_concrete_id_converter_works() {
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frame_support::parameter_types! {
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pub Parachain100Pattern: MultiLocation = MultiLocation::new(1, X1(Parachain(100)));
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pub UniversalLocationNetworkId: NetworkId = NetworkId::ByGenesis([9; 32]);
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}
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// setup convert
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type Convert = ForeignAssetsConvertedConcreteId<
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(
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StartsWith<Parachain100Pattern>,
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StartsWithExplicitGlobalConsensus<UniversalLocationNetworkId>,
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),
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u128,
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>;
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let test_data = vec![
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// excluded as local
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(ma_1000(0, Here), Err(MatchError::AssetNotHandled)),
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(ma_1000(0, X1(Parachain(100))), Err(MatchError::AssetNotHandled)),
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(
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ma_1000(0, X2(PalletInstance(13), GeneralIndex(1234))),
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Err(MatchError::AssetNotHandled),
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),
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// excluded as parent
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(ma_1000(1, Here), Err(MatchError::AssetNotHandled)),
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// excluded as additional filter - Parachain100Pattern
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(ma_1000(1, X1(Parachain(100))), Err(MatchError::AssetNotHandled)),
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(ma_1000(1, X2(Parachain(100), GeneralIndex(1234))), Err(MatchError::AssetNotHandled)),
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(
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ma_1000(1, X3(Parachain(100), PalletInstance(13), GeneralIndex(1234))),
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Err(MatchError::AssetNotHandled),
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),
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// excluded as additional filter - StartsWithExplicitGlobalConsensus
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(
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ma_1000(1, X1(GlobalConsensus(NetworkId::ByGenesis([9; 32])))),
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Err(MatchError::AssetNotHandled),
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),
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(
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ma_1000(2, X1(GlobalConsensus(NetworkId::ByGenesis([9; 32])))),
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Err(MatchError::AssetNotHandled),
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),
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(
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ma_1000(
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2,
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X3(
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GlobalConsensus(NetworkId::ByGenesis([9; 32])),
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Parachain(200),
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GeneralIndex(1234),
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),
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),
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Err(MatchError::AssetNotHandled),
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),
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// ok
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(ma_1000(1, X1(Parachain(200))), Ok((MultiLocation::new(1, X1(Parachain(200))), 1000))),
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(ma_1000(2, X1(Parachain(200))), Ok((MultiLocation::new(2, X1(Parachain(200))), 1000))),
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(
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ma_1000(1, X2(Parachain(200), GeneralIndex(1234))),
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Ok((MultiLocation::new(1, X2(Parachain(200), GeneralIndex(1234))), 1000)),
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),
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(
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ma_1000(2, X2(Parachain(200), GeneralIndex(1234))),
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Ok((MultiLocation::new(2, X2(Parachain(200), GeneralIndex(1234))), 1000)),
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),
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(
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ma_1000(2, X1(GlobalConsensus(NetworkId::ByGenesis([7; 32])))),
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Ok((
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MultiLocation::new(2, X1(GlobalConsensus(NetworkId::ByGenesis([7; 32])))),
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1000,
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)),
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),
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(
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ma_1000(
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2,
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X3(
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GlobalConsensus(NetworkId::ByGenesis([7; 32])),
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Parachain(200),
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GeneralIndex(1234),
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),
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),
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Ok((
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MultiLocation::new(
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2,
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X3(
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GlobalConsensus(NetworkId::ByGenesis([7; 32])),
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Parachain(200),
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GeneralIndex(1234),
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),
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),
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1000,
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)),
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),
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];
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for (multi_asset, expected_result) in test_data {
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assert_eq!(
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<Convert as MatchesFungibles<MultiLocationForAssetId, u128>>::matches_fungibles(
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&multi_asset
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),
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expected_result,
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"multi_asset: {:?}",
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multi_asset
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);
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}
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}
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// Create MultiAsset
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fn ma_1000(parents: u8, interior: Junctions) -> MultiAsset {
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(MultiLocation::new(parents, interior), 1000).into()
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}
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}
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