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Enable cross-chain NFT transfers on asset-hub (#2796)

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This PR introduces the following changes:

- [x] Adds a `UniquesTransactor` to asset-hub-rococo
- [x] Adds a `UniquesTransactor` to asset-hub-westend

We can't add a transactor for `pallet-nfts` like we do for
`pallet-uniques` because `pallet-nfts` uses `nonfungibles_v2::Mutate`
instead of `nonfungibles::Mutate`, and making that work would be out of
scope of this PR.

With these modifications, reserve-based NFT cross-chain transfers can be
performed on asset-hub.

---------

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
This commit is contained in:
Sergej Sakac
2024-01-19 16:14:26 +01:00
committed by GitHub
parent 66b2fa2e59
commit 50a2e28b00
7 changed files with 122 additions and 32 deletions
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cumulus/parachains/runtimes/assets/common/src/lib.rs
+16 -1
View File
@@ -25,7 +25,7 @@ pub mod runtime_api;
use crate::matching::{LocalLocationPattern, ParentLocation};
use frame_support::traits::{Equals, EverythingBut};
use parachains_common::AssetIdForTrustBackedAssets;
use parachains_common::{AssetIdForTrustBackedAssets, CollectionId, ItemId};
use xcm_builder::{
AsPrefixedGeneralIndex, MatchedConvertedConcreteId, StartsWith, V4V3LocationConverter,
};
@@ -43,6 +43,10 @@ pub type AssetIdForTrustBackedAssetsConvert<TrustBackedAssetsPalletLocation> =
pub type AssetIdForTrustBackedAssetsConvertLatest<TrustBackedAssetsPalletLocation> =
AsPrefixedGeneralIndex<TrustBackedAssetsPalletLocation, AssetIdForTrustBackedAssets, JustTry>;
/// `Location` vs `CollectionId` converter for `Uniques`
pub type CollectionIdForUniquesConvert<UniquesPalletLocation> =
AsPrefixedGeneralIndex<UniquesPalletLocation, CollectionId, JustTry>;
/// [`MatchedConvertedConcreteId`] converter dedicated for `TrustBackedAssets`
pub type TrustBackedAssetsConvertedConcreteId<TrustBackedAssetsPalletLocation, Balance> =
MatchedConvertedConcreteId<
@@ -53,6 +57,17 @@ pub type TrustBackedAssetsConvertedConcreteId<TrustBackedAssetsPalletLocation, B
JustTry,
>;
/// [`MatchedConvertedConcreteId`] converter dedicated for `Uniques`
pub type UniquesConvertedConcreteId<UniquesPalletLocation> = MatchedConvertedConcreteId<
CollectionId,
ItemId,
// The asset starts with the uniques pallet. The `CollectionId` of the asset is specified as a
// junction within the pallet itself.
StartsWith<UniquesPalletLocation>,
CollectionIdForUniquesConvert<UniquesPalletLocation>,
JustTry,
>;
/// [`MatchedConvertedConcreteId`] converter dedicated for storing `AssetId` as `Location`.
pub type LocationConvertedConcreteId<LocationFilter, Balance> = MatchedConvertedConcreteId<
xcm::v3::Location,