From 70dfcdbff9202b2e78e2ae853fd840c1fc115410 Mon Sep 17 00:00:00 2001
From: Szegoo <sakacszergej@gmail.com>
Date: Sun, 21 Jan 2024 10:51:39 +0100
Subject: [PATCH] Asset Hub - Stout NFT transfers

---
 runtime/stout/src/lib.rs        |  7 +++++--
 runtime/stout/src/xcm_config.rs | 36 ++++++++++++++++++++++++++++-----
 zombienet/stout_rococo.toml     | 10 ++++-----
 3 files changed, 41 insertions(+), 12 deletions(-)

diff --git a/runtime/stout/src/lib.rs b/runtime/stout/src/lib.rs
index 451a0f05..ab5e4d99 100644
--- a/runtime/stout/src/lib.rs
+++ b/runtime/stout/src/lib.rs
@@ -467,10 +467,13 @@ parameter_types! {
 	pub const ValueLimit: u32 = 64;
 }
 
+type StoutCollectionId = u32;
+type StoutItemId = u32;
+
 impl pallet_uniques::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
-	type CollectionId = u32;
-	type ItemId = u32;
+	type CollectionId = StoutCollectionId;
+	type ItemId = StoutItemId;
 	type Currency = Balances;
 	type ForceOrigin = frame_system::EnsureRoot<AccountId>;
 	type CreateOrigin = AsEnsureOriginWithArg<EnsureSigned<AccountId>>;
diff --git a/runtime/stout/src/xcm_config.rs b/runtime/stout/src/xcm_config.rs
index c642c91c..24418433 100644
--- a/runtime/stout/src/xcm_config.rs
+++ b/runtime/stout/src/xcm_config.rs
@@ -20,7 +20,8 @@ use cumulus_primitives_core::ParaId;
 
 use super::{
 	AccountId, AssetRegistry, Assets, Balance, Balances, ParachainInfo, ParachainSystem,
-	PolkadotXcm, Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin, WeightToFee, XcmpQueue,
+	PolkadotXcm, Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin, StoutCollectionId, StoutItemId,
+	Uniques, WeightToFee, XcmpQueue,
 };
 use frame_support::{
 	match_types, parameter_types,
@@ -46,9 +47,10 @@ use xcm_builder::{
 	AllowTopLevelPaidExecutionFrom, AllowUnpaidExecutionFrom, AsPrefixedGeneralIndex,
 	ConvertedConcreteId, CurrencyAdapter, DenyReserveTransferToRelayChain, DenyThenTry,
 	EnsureXcmOrigin, FixedRateOfFungible, FixedWeightBounds, FungiblesAdapter, IsConcrete,
-	MintLocation, NativeAsset, NoChecking, ParentAsSuperuser, ParentIsPreset, RelayChainAsNative,
-	SiblingParachainAsNative, SiblingParachainConvertsVia, SignedAccountId32AsNative,
-	SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit, UsingComponents,
+	MintLocation, NativeAsset, NoChecking, NonFungiblesAdapter, ParentAsSuperuser, ParentIsPreset,
+	RelayChainAsNative, SiblingParachainAsNative, SiblingParachainConvertsVia,
+	SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit,
+	UsingComponents,
 };
 use xcm_executor::XcmExecutor;
 
@@ -148,8 +150,30 @@ pub type ReservedFungiblesTransactor = FungiblesAdapter<
 	PlaceholderAccount,
 >;
 
+pub type NonFungiblesTransactor = NonFungiblesAdapter<
+	// Use this nonfungibles implementation:
+	Uniques,
+	// Type that attempts to convert the `MultiAsset` into a registered uniques item.
+	// Assets not found in AssetRegistry will not be used.
+	ConvertedConcreteId<
+		StoutCollectionId,
+		StoutItemId,
+		AsPrefixedGeneralIndex<StatemineUniquesPalletLocation, StoutCollectionId, JustTry>,
+		JustTry,
+	>,
+	// Convert an XCM MultiLocation into a local account id:
+	LocationToAccountId,
+	// This chain's account ID type (we can't get away without mentioning it explicitly):
+	AccountId,
+	// We don't track any teleports of `Assets`.
+	NoChecking,
+	// No teleports.
+	(),
+>;
+
 /// Means for transacting assets on this chain.
-pub type AssetTransactors = (CurrencyTransactor, ReservedFungiblesTransactor, FungiblesTransactor);
+pub type AssetTransactors =
+	(CurrencyTransactor, ReservedFungiblesTransactor, FungiblesTransactor, NonFungiblesTransactor);
 
 /// This is the type we use to convert an (incoming) XCM origin into a local `Origin` instance,
 /// ready for dispatching a transaction with Xcm's `Transact`. There is an `OriginKind` which can
@@ -236,6 +260,8 @@ parameter_types! {
 	// Statemine's Assets pallet index
 	pub StatemineAssetsPalletLocation: MultiLocation =
 		MultiLocation::new(1, X2(Parachain(1000), PalletInstance(50)));
+	pub StatemineUniquesPalletLocation: MultiLocation =
+		MultiLocation::new(1, X2(Parachain(1000), PalletInstance(51)));
 }
 
 pub struct ReserveAssetsFrom<T>(PhantomData<T>);
diff --git a/zombienet/stout_rococo.toml b/zombienet/stout_rococo.toml
index 52dbd765..f5a755c1 100644
--- a/zombienet/stout_rococo.toml
+++ b/zombienet/stout_rococo.toml
@@ -30,19 +30,19 @@ default_command = "./bin/polkadot"
 id = 1000
 add_to_genesis = true
 cumulus_based = true
-chain = "statemine-local"
+chain = "asset-hub-rococo-local"
 
   [[parachains.collators]]
   name = "statemine-collator01"
   command = "./bin/polkadot-parachain"
   ws_port = 9910
-  args = ["--log=xcm=trace,pallet-assets=trace"]
+  args = ["--log=xcm=trace,pallet-assets=trace,pallet-uniques=trace"]
 
   [[parachains.collators]]
   name = "statemine-collator02"
   command = "./bin/polkadot-parachain"
   ws_port = 9911
-  args = ["--log=xcm=trace,pallet-assets=trace"]
+  args = ["--log=xcm=trace,pallet-assets=trace,pallet-uniques=trace"]
 
 [[parachains]]
 id = 3000
@@ -54,13 +54,13 @@ chain = "stout-local"
   name = "stout-collator01"
   command = "./target/release/trappist-node"
   ws_port = 9930
-  args = ["--log=xcm=trace,pallet-assets=trace"]
+  args = ["--log=xcm=trace,pallet-assets=trace,pallet-uniques=trace"]
 
   [[parachains.collators]]
   name = "stout-collator02"
   command = "./target/release/trappist-node"
   ws_port = 9931
-  args = ["--log=xcm=trace,pallet-assets=trace"]
+  args = ["--log=xcm=trace,pallet-assets=trace,pallet-uniques=trace"]
 
 [types.Header]
 number = "u64"