git.delta.rocks / unique-network / refs/commits / eb176303d30b

--- a/pallets/common/src/erc.rs
+++ b/pallets/common/src/erc.rs
@@ -25,7 +25,8 @@
 use pallet_evm_coder_substrate::dispatch_to_evm;
 use sp_std::vec::Vec;
 use up_data_structs::{
-	Property, SponsoringRateLimit, OwnerRestrictedSet, AccessMode, CollectionPermissions,
+	AccessMode, CollectionMode, CollectionPermissions, OwnerRestrictedSet, Property,
+	SponsoringRateLimit,
 };
 use alloc::format;
 
@@ -408,6 +409,27 @@
 
 		save(self)
 	}
+
+	/// Check that account is the owner or admin of the collection
+	///
+	/// @return "true" if account is the owner or admin
+	fn verify_owner_or_admin(&mut self, caller: caller) -> Result<bool> {
+		Ok(check_is_owner_or_admin(caller, self)
+			.map(|_| true)
+			.unwrap_or(false))
+	}
+
+	/// Returns collection type
+	///
+	/// @return `Fungible` or `NFT` or `ReFungible`
+	fn unique_collection_type(&mut self) -> Result<string> {
+		let mode = match self.collection.mode {
+			CollectionMode::Fungible(_) => "Fungible",
+			CollectionMode::NFT => "NFT",
+			CollectionMode::ReFungible => "ReFungible",
+		};
+		Ok(mode.into())
+	}
 }
 
 fn check_is_owner_or_admin<T: Config>(
@@ -462,6 +484,11 @@
 		pub fn suffix() -> up_data_structs::PropertyKey {
 			property_key_from_bytes(b"suffix").expect(EXPECT_CONVERT_ERROR)
 		}
+
+		/// Key "parentNft".
+		pub fn parent_nft() -> up_data_structs::PropertyKey {
+			property_key_from_bytes(b"parentNft").expect(EXPECT_CONVERT_ERROR)
+		}
 	}
 
 	/// Values.

--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -1112,6 +1112,26 @@
 		sender: &T::CrossAccountId,
 		property_permission: PropertyKeyPermission,
 	) -> DispatchResult {
+		Self::set_scoped_property_permission(
+			collection,
+			sender,
+			PropertyScope::None,
+			property_permission,
+		)
+	}
+
+	/// Set collection property permission with scope.
+	///
+	/// * `collection` - Collection handler.
+	/// * `sender` - The owner or administrator of the collection.
+	/// * `scope` - Property scope.
+	/// * `property_permission` - Property permission.
+	pub fn set_scoped_property_permission(
+		collection: &CollectionHandle<T>,
+		sender: &T::CrossAccountId,
+		scope: PropertyScope,
+		property_permission: PropertyKeyPermission,
+	) -> DispatchResult {
 		collection.check_is_owner_or_admin(sender)?;
 
 		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);
@@ -1125,7 +1145,11 @@
 
 		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {
 			let property_permission = property_permission.clone();
-			permissions.try_set(property_permission.key, property_permission.permission)
+			permissions.try_scoped_set(
+				scope,
+				property_permission.key,
+				property_permission.permission,
+			)
 		})
 		.map_err(<Error<T>>::from)?;
 
@@ -1148,8 +1172,29 @@
 		sender: &T::CrossAccountId,
 		property_permissions: Vec<PropertyKeyPermission>,
 	) -> DispatchResult {
+		Self::set_scoped_token_property_permissions(
+			collection,
+			sender,
+			PropertyScope::None,
+			property_permissions,
+		)
+	}
+
+	/// Set token property permission with scope.
+	///
+	/// * `collection` - Collection handler.
+	/// * `sender` - The owner or administrator of the collection.
+	/// * `scope` - Property scope.
+	/// * `property_permissions` - Property permissions.
+	#[transactional]
+	pub fn set_scoped_token_property_permissions(
+		collection: &CollectionHandle<T>,
+		sender: &T::CrossAccountId,
+		scope: PropertyScope,
+		property_permissions: Vec<PropertyKeyPermission>,
+	) -> DispatchResult {
 		for prop_pemission in property_permissions {
-			Self::set_property_permission(collection, sender, prop_pemission)?;
+			Self::set_scoped_property_permission(collection, sender, scope, prop_pemission)?;
 		}
 
 		Ok(())
@@ -1429,6 +1474,9 @@
 			.saturating_mul(max_selfs.max(1) as u64)
 			.saturating_add(Self::burn_recursively_breadth_raw(max_breadth))
 	}
+
+	/// The price of retrieving token owner
+	fn token_owner() -> Weight;
 }
 
 /// Weight info extension trait for refungible pallet.
@@ -1567,7 +1615,7 @@
 	///
 	/// * `sender` - Must be either the owner of the token or its admin.
 	/// * `token_id` - The token for which the properties are being set.
-	/// * `properties` - Properties to be set.
+	/// * `property_permissions` - Property permissions to be set.
 	/// * `budget` - Budget for setting properties.
 	fn set_token_property_permissions(
 		&self,

--- a/pallets/fungible/src/common.rs
+++ b/pallets/fungible/src/common.rs
@@ -103,6 +103,10 @@
 		// Fungible tokens can't have children
 		0
 	}
+
+	fn token_owner() -> Weight {
+		0
+	}
 }
 
 /// Implementation of `CommonCollectionOperations` for `FungibleHandle`. It wraps FungibleHandle Pallete

--- a/pallets/fungible/src/stubs/UniqueFungible.sol
+++ b/pallets/fungible/src/stubs/UniqueFungible.sol
@@ -43,7 +43,91 @@
 	}
 }
 
-// Selector: 7d9262e6
+// Selector: 942e8b22
+contract ERC20 is Dummy, ERC165, ERC20Events {
+	// Selector: name() 06fdde03
+	function name() public view returns (string memory) {
+		require(false, stub_error);
+		dummy;
+		return "";
+	}
+
+	// Selector: symbol() 95d89b41
+	function symbol() public view returns (string memory) {
+		require(false, stub_error);
+		dummy;
+		return "";
+	}
+
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() public view returns (uint256) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+
+	// Selector: decimals() 313ce567
+	function decimals() public view returns (uint8) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+
+	// Selector: balanceOf(address) 70a08231
+	function balanceOf(address owner) public view returns (uint256) {
+		require(false, stub_error);
+		owner;
+		dummy;
+		return 0;
+	}
+
+	// Selector: transfer(address,uint256) a9059cbb
+	function transfer(address to, uint256 amount) public returns (bool) {
+		require(false, stub_error);
+		to;
+		amount;
+		dummy = 0;
+		return false;
+	}
+
+	// Selector: transferFrom(address,address,uint256) 23b872dd
+	function transferFrom(
+		address from,
+		address to,
+		uint256 amount
+	) public returns (bool) {
+		require(false, stub_error);
+		from;
+		to;
+		amount;
+		dummy = 0;
+		return false;
+	}
+
+	// Selector: approve(address,uint256) 095ea7b3
+	function approve(address spender, uint256 amount) public returns (bool) {
+		require(false, stub_error);
+		spender;
+		amount;
+		dummy = 0;
+		return false;
+	}
+
+	// Selector: allowance(address,address) dd62ed3e
+	function allowance(address owner, address spender)
+		public
+		view
+		returns (uint256)
+	{
+		require(false, stub_error);
+		owner;
+		spender;
+		dummy;
+		return 0;
+	}
+}
+
+// Selector: aa7d570d
 contract Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -267,90 +351,24 @@
 		require(false, stub_error);
 		mode;
 		dummy = 0;
-	}
-}
-
-// Selector: 942e8b22
-contract ERC20 is Dummy, ERC165, ERC20Events {
-	// Selector: name() 06fdde03
-	function name() public view returns (string memory) {
-		require(false, stub_error);
-		dummy;
-		return "";
 	}
 
-	// Selector: symbol() 95d89b41
-	function symbol() public view returns (string memory) {
-		require(false, stub_error);
-		dummy;
-		return "";
-	}
-
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() public view returns (uint256) {
-		require(false, stub_error);
-		dummy;
-		return 0;
-	}
-
-	// Selector: decimals() 313ce567
-	function decimals() public view returns (uint8) {
-		require(false, stub_error);
-		dummy;
-		return 0;
-	}
-
-	// Selector: balanceOf(address) 70a08231
-	function balanceOf(address owner) public view returns (uint256) {
-		require(false, stub_error);
-		owner;
-		dummy;
-		return 0;
-	}
-
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 amount) public returns (bool) {
-		require(false, stub_error);
-		to;
-		amount;
-		dummy = 0;
-		return false;
-	}
-
-	// Selector: transferFrom(address,address,uint256) 23b872dd
-	function transferFrom(
-		address from,
-		address to,
-		uint256 amount
-	) public returns (bool) {
+	// Check that account is the owner or admin of the collection
+	//
+	// @return "true" if account is the owner or admin
+	//
+	// Selector: verifyOwnerOrAdmin() 04a46053
+	function verifyOwnerOrAdmin() public returns (bool) {
 		require(false, stub_error);
-		from;
-		to;
-		amount;
 		dummy = 0;
 		return false;
 	}
 
-	// Selector: approve(address,uint256) 095ea7b3
-	function approve(address spender, uint256 amount) public returns (bool) {
+	// Selector: uniqueCollectionType() d34b55b8
+	function uniqueCollectionType() public returns (string memory) {
 		require(false, stub_error);
-		spender;
-		amount;
 		dummy = 0;
-		return false;
-	}
-
-	// Selector: allowance(address,address) dd62ed3e
-	function allowance(address owner, address spender)
-		public
-		view
-		returns (uint256)
-	{
-		require(false, stub_error);
-		owner;
-		spender;
-		dummy;
-		return 0;
+		return "";
 	}
 }
 

--- a/pallets/nonfungible/src/benchmarking.rs
+++ b/pallets/nonfungible/src/benchmarking.rs
@@ -17,11 +17,14 @@
 use super::*;
 use crate::{Pallet, Config, NonfungibleHandle};
 
-use sp_std::prelude::*;
-use pallet_common::benchmarking::{create_collection_raw, property_key, property_value};
 use frame_benchmarking::{benchmarks, account};
+use pallet_common::{
+	bench_init,
+	benchmarking::{create_collection_raw, property_key, property_value},
+	CommonCollectionOperations,
+};
+use sp_std::prelude::*;
 use up_data_structs::{CollectionMode, MAX_ITEMS_PER_BATCH, MAX_PROPERTIES_PER_ITEM, budget::Unlimited};
-use pallet_common::bench_init;
 
 const SEED: u32 = 1;
 
@@ -208,4 +211,13 @@
 		<Pallet<T>>::set_token_properties(&collection, &owner, item, props.into_iter(), false, &Unlimited)?;
 		let to_delete = (0..b).map(|k| property_key(k as usize)).collect::<Vec<_>>();
 	}: {<Pallet<T>>::delete_token_properties(&collection, &owner, item, to_delete.into_iter(), &Unlimited)?}
+
+	token_owner {
+		bench_init!{
+			owner: sub; collection: collection(owner);
+			owner: cross_from_sub;
+		};
+		let item = create_max_item(&collection, &owner, owner.clone())?;
+
+	}: {collection.token_owner(item)}
 }

--- a/pallets/nonfungible/src/lib.rs
+++ b/pallets/nonfungible/src/lib.rs
@@ -784,6 +784,23 @@
 		<PalletCommon<T>>::set_token_property_permissions(collection, sender, property_permissions)
 	}
 
+	/// Set property permissions for the token with scope.
+	///
+	/// Sender should be the owner or admin of token's collection.
+	pub fn set_scoped_token_property_permissions(
+		collection: &CollectionHandle<T>,
+		sender: &T::CrossAccountId,
+		scope: PropertyScope,
+		property_permissions: Vec<PropertyKeyPermission>,
+	) -> DispatchResult {
+		<PalletCommon<T>>::set_scoped_token_property_permissions(
+			collection,
+			sender,
+			scope,
+			property_permissions,
+		)
+	}
+
 	/// Set property permissions for the collection.
 	///
 	/// Sender should be the owner or admin of the collection.

--- a/pallets/nonfungible/src/stubs/UniqueNFT.sol
+++ b/pallets/nonfungible/src/stubs/UniqueNFT.sol
@@ -415,7 +415,7 @@
 	}
 }
 
-// Selector: 7d9262e6
+// Selector: aa7d570d
 contract Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -640,6 +640,24 @@
 		mode;
 		dummy = 0;
 	}
+
+	// Check that account is the owner or admin of the collection
+	//
+	// @return "true" if account is the owner or admin
+	//
+	// Selector: verifyOwnerOrAdmin() 04a46053
+	function verifyOwnerOrAdmin() public returns (bool) {
+		require(false, stub_error);
+		dummy = 0;
+		return false;
+	}
+
+	// Selector: uniqueCollectionType() d34b55b8
+	function uniqueCollectionType() public returns (string memory) {
+		require(false, stub_error);
+		dummy = 0;
+		return "";
+	}
 }
 
 // Selector: d74d154f

--- a/pallets/nonfungible/src/weights.rs
+++ b/pallets/nonfungible/src/weights.rs
@@ -3,7 +3,7 @@
 //! Autogenerated weights for pallet_nonfungible
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
-//! DATE: 2022-07-20, STEPS: `50`, REPEAT: 80, LOW RANGE: `[]`, HIGH RANGE: `[]`
+//! DATE: 2022-08-01, STEPS: `50`, REPEAT: 80, LOW RANGE: `[]`, HIGH RANGE: `[]`
 //! EXECUTION: None, WASM-EXECUTION: Compiled, CHAIN: None, DB CACHE: 1024
 
 // Executed Command:
@@ -46,6 +46,7 @@
 	fn set_token_property_permissions(b: u32, ) -> Weight;
 	fn set_token_properties(b: u32, ) -> Weight;
 	fn delete_token_properties(b: u32, ) -> Weight;
+	fn token_owner() -> Weight;
 }
 
 /// Weights for pallet_nonfungible using the Substrate node and recommended hardware.
@@ -56,7 +57,7 @@
 	// Storage: Nonfungible TokenData (r:0 w:1)
 	// Storage: Nonfungible Owned (r:0 w:1)
 	fn create_item() -> Weight {
-		(20_328_000 as Weight)
+		(20_909_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(4 as Weight))
 	}
@@ -65,9 +66,9 @@
 	// Storage: Nonfungible TokenData (r:0 w:4)
 	// Storage: Nonfungible Owned (r:0 w:4)
 	fn create_multiple_items(b: u32, ) -> Weight {
-		(10_134_000 as Weight)
-			// Standard Error: 3_000
-			.saturating_add((4_927_000 as Weight).saturating_mul(b as Weight))
+		(12_601_000 as Weight)
+			// Standard Error: 1_000
+			.saturating_add((4_920_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes((2 as Weight).saturating_mul(b as Weight)))
@@ -77,9 +78,9 @@
 	// Storage: Nonfungible TokenData (r:0 w:4)
 	// Storage: Nonfungible Owned (r:0 w:4)
 	fn create_multiple_items_ex(b: u32, ) -> Weight {
-		(5_710_000 as Weight)
-			// Standard Error: 4_000
-			.saturating_add((7_578_000 as Weight).saturating_mul(b as Weight))
+		(0 as Weight)
+			// Standard Error: 3_000
+			.saturating_add((7_734_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
@@ -93,7 +94,7 @@
 	// Storage: Nonfungible Owned (r:0 w:1)
 	// Storage: Nonfungible TokenProperties (r:0 w:1)
 	fn burn_item() -> Weight {
-		(28_433_000 as Weight)
+		(29_746_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(5 as Weight))
 			.saturating_add(T::DbWeight::get().writes(5 as Weight))
 	}
@@ -105,7 +106,7 @@
 	// Storage: Nonfungible Owned (r:0 w:1)
 	// Storage: Nonfungible TokenProperties (r:0 w:1)
 	fn burn_recursively_self_raw() -> Weight {
-		(34_435_000 as Weight)
+		(36_077_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(5 as Weight))
 			.saturating_add(T::DbWeight::get().writes(5 as Weight))
 	}
@@ -119,8 +120,8 @@
 	// Storage: Common CollectionById (r:1 w:0)
 	fn burn_recursively_breadth_plus_self_plus_self_per_each_raw(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 1_539_000
-			.saturating_add((304_456_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 1_605_000
+			.saturating_add((312_391_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(7 as Weight))
 			.saturating_add(T::DbWeight::get().reads((4 as Weight).saturating_mul(b as Weight)))
 			.saturating_add(T::DbWeight::get().writes(6 as Weight))
@@ -131,14 +132,14 @@
 	// Storage: Nonfungible Allowance (r:1 w:0)
 	// Storage: Nonfungible Owned (r:0 w:2)
 	fn transfer() -> Weight {
-		(24_376_000 as Weight)
+		(25_248_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(4 as Weight))
 			.saturating_add(T::DbWeight::get().writes(5 as Weight))
 	}
 	// Storage: Nonfungible TokenData (r:1 w:0)
 	// Storage: Nonfungible Allowance (r:1 w:1)
 	fn approve() -> Weight {
-		(15_890_000 as Weight)
+		(16_321_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
@@ -147,7 +148,7 @@
 	// Storage: Nonfungible AccountBalance (r:2 w:2)
 	// Storage: Nonfungible Owned (r:0 w:2)
 	fn transfer_from() -> Weight {
-		(28_634_000 as Weight)
+		(29_325_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(4 as Weight))
 			.saturating_add(T::DbWeight::get().writes(6 as Weight))
 	}
@@ -159,15 +160,15 @@
 	// Storage: Nonfungible Owned (r:0 w:1)
 	// Storage: Nonfungible TokenProperties (r:0 w:1)
 	fn burn_from() -> Weight {
-		(32_201_000 as Weight)
+		(33_323_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(5 as Weight))
 			.saturating_add(T::DbWeight::get().writes(6 as Weight))
 	}
 	// Storage: Common CollectionPropertyPermissions (r:1 w:1)
 	fn set_token_property_permissions(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 57_000
-			.saturating_add((15_232_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 62_000
+			.saturating_add((16_222_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
@@ -175,8 +176,8 @@
 	// Storage: Nonfungible TokenProperties (r:1 w:1)
 	fn set_token_properties(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 1_648_000
-			.saturating_add((288_654_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 1_750_000
+			.saturating_add((304_476_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
@@ -184,11 +185,16 @@
 	// Storage: Nonfungible TokenProperties (r:1 w:1)
 	fn delete_token_properties(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 1_632_000
-			.saturating_add((289_190_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 1_638_000
+			.saturating_add((294_096_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
+	// Storage: Nonfungible TokenData (r:1 w:0)
+	fn token_owner() -> Weight {
+		(2_986_000 as Weight)
+			.saturating_add(T::DbWeight::get().reads(1 as Weight))
+	}
 }
 
 // For backwards compatibility and tests
@@ -198,7 +204,7 @@
 	// Storage: Nonfungible TokenData (r:0 w:1)
 	// Storage: Nonfungible Owned (r:0 w:1)
 	fn create_item() -> Weight {
-		(20_328_000 as Weight)
+		(20_909_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(4 as Weight))
 	}
@@ -207,9 +213,9 @@
 	// Storage: Nonfungible TokenData (r:0 w:4)
 	// Storage: Nonfungible Owned (r:0 w:4)
 	fn create_multiple_items(b: u32, ) -> Weight {
-		(10_134_000 as Weight)
-			// Standard Error: 3_000
-			.saturating_add((4_927_000 as Weight).saturating_mul(b as Weight))
+		(12_601_000 as Weight)
+			// Standard Error: 1_000
+			.saturating_add((4_920_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes((2 as Weight).saturating_mul(b as Weight)))
@@ -219,9 +225,9 @@
 	// Storage: Nonfungible TokenData (r:0 w:4)
 	// Storage: Nonfungible Owned (r:0 w:4)
 	fn create_multiple_items_ex(b: u32, ) -> Weight {
-		(5_710_000 as Weight)
-			// Standard Error: 4_000
-			.saturating_add((7_578_000 as Weight).saturating_mul(b as Weight))
+		(0 as Weight)
+			// Standard Error: 3_000
+			.saturating_add((7_734_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
 			.saturating_add(RocksDbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
@@ -235,7 +241,7 @@
 	// Storage: Nonfungible Owned (r:0 w:1)
 	// Storage: Nonfungible TokenProperties (r:0 w:1)
 	fn burn_item() -> Weight {
-		(28_433_000 as Weight)
+		(29_746_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(5 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(5 as Weight))
 	}
@@ -247,7 +253,7 @@
 	// Storage: Nonfungible Owned (r:0 w:1)
 	// Storage: Nonfungible TokenProperties (r:0 w:1)
 	fn burn_recursively_self_raw() -> Weight {
-		(34_435_000 as Weight)
+		(36_077_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(5 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(5 as Weight))
 	}
@@ -261,8 +267,8 @@
 	// Storage: Common CollectionById (r:1 w:0)
 	fn burn_recursively_breadth_plus_self_plus_self_per_each_raw(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 1_539_000
-			.saturating_add((304_456_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 1_605_000
+			.saturating_add((312_391_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(7 as Weight))
 			.saturating_add(RocksDbWeight::get().reads((4 as Weight).saturating_mul(b as Weight)))
 			.saturating_add(RocksDbWeight::get().writes(6 as Weight))
@@ -273,14 +279,14 @@
 	// Storage: Nonfungible Allowance (r:1 w:0)
 	// Storage: Nonfungible Owned (r:0 w:2)
 	fn transfer() -> Weight {
-		(24_376_000 as Weight)
+		(25_248_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(4 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(5 as Weight))
 	}
 	// Storage: Nonfungible TokenData (r:1 w:0)
 	// Storage: Nonfungible Allowance (r:1 w:1)
 	fn approve() -> Weight {
-		(15_890_000 as Weight)
+		(16_321_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
@@ -289,7 +295,7 @@
 	// Storage: Nonfungible AccountBalance (r:2 w:2)
 	// Storage: Nonfungible Owned (r:0 w:2)
 	fn transfer_from() -> Weight {
-		(28_634_000 as Weight)
+		(29_325_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(4 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(6 as Weight))
 	}
@@ -301,15 +307,15 @@
 	// Storage: Nonfungible Owned (r:0 w:1)
 	// Storage: Nonfungible TokenProperties (r:0 w:1)
 	fn burn_from() -> Weight {
-		(32_201_000 as Weight)
+		(33_323_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(5 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(6 as Weight))
 	}
 	// Storage: Common CollectionPropertyPermissions (r:1 w:1)
 	fn set_token_property_permissions(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 57_000
-			.saturating_add((15_232_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 62_000
+			.saturating_add((16_222_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
@@ -317,8 +323,8 @@
 	// Storage: Nonfungible TokenProperties (r:1 w:1)
 	fn set_token_properties(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 1_648_000
-			.saturating_add((288_654_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 1_750_000
+			.saturating_add((304_476_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
@@ -326,9 +332,14 @@
 	// Storage: Nonfungible TokenProperties (r:1 w:1)
 	fn delete_token_properties(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 1_632_000
-			.saturating_add((289_190_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 1_638_000
+			.saturating_add((294_096_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
+	// Storage: Nonfungible TokenData (r:1 w:0)
+	fn token_owner() -> Weight {
+		(2_986_000 as Weight)
+			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
+	}
 }

--- a/pallets/refungible/src/benchmarking.rs
+++ b/pallets/refungible/src/benchmarking.rs
@@ -17,16 +17,19 @@
 use super::*;
 use crate::{Pallet, Config, RefungibleHandle};
 
-use sp_std::prelude::*;
-use pallet_common::benchmarking::{create_collection_raw, property_key, property_value, create_data};
+use core::convert::TryInto;
+use core::iter::IntoIterator;
 use frame_benchmarking::{benchmarks, account};
+use pallet_common::{
+	bench_init,
+	benchmarking::{create_collection_raw, property_key, property_value, create_data},
+};
+use sp_core::H160;
+use sp_std::prelude::*;
 use up_data_structs::{
 	CollectionMode, MAX_ITEMS_PER_BATCH, MAX_PROPERTIES_PER_ITEM, CUSTOM_DATA_LIMIT,
 	budget::Unlimited,
 };
-use pallet_common::bench_init;
-use core::convert::TryInto;
-use core::iter::IntoIterator;
 
 const SEED: u32 = 1;
 
@@ -44,6 +47,7 @@
 		properties: Default::default(),
 	}
 }
+
 fn create_max_item<T: Config>(
 	collection: &RefungibleHandle<T>,
 	sender: &T::CrossAccountId,
@@ -59,11 +63,12 @@
 ) -> Result<RefungibleHandle<T>, DispatchError> {
 	create_collection_raw(
 		owner,
-		CollectionMode::NFT,
+		CollectionMode::ReFungible,
 		<Pallet<T>>::init_collection,
 		RefungibleHandle::cast,
 	)
 }
+
 benchmarks! {
 	create_item {
 		bench_init!{
@@ -277,4 +282,21 @@
 		};
 		let item = create_max_item(&collection, &sender, [(owner.clone(), 100)])?;
 	}: {<Pallet<T>>::repartition(&collection, &owner, item, 200)?}
+
+	set_parent_nft_unchecked {
+		bench_init!{
+			owner: sub; collection: collection(owner);
+			sender: cross_from_sub(owner); owner: cross_sub;
+		};
+		let item = create_max_item(&collection, &sender, [(owner.clone(), 100)])?;
+
+	}: {<Pallet<T>>::set_parent_nft_unchecked(&collection, item, owner,  T::CrossAccountId::from_eth(H160::default()))?}
+
+	token_owner {
+		bench_init!{
+			owner: sub; collection: collection(owner);
+			sender: cross_from_sub(owner); owner: cross_sub;
+		};
+		let item = create_max_item(&collection, &sender, [(owner.clone(), 100)])?;
+	}: {<Pallet<T>>::token_owner(collection.id, item)}
 }

--- a/pallets/refungible/src/common.rs
+++ b/pallets/refungible/src/common.rs
@@ -148,6 +148,10 @@
 		// Refungible token can't have children
 		0
 	}
+
+	fn token_owner() -> Weight {
+		0 //<SelfWeightOf<T>>::token_owner()
+	}
 }
 
 fn map_create_data<T: Config>(

--- a/pallets/refungible/src/erc.rs
+++ b/pallets/refungible/src/erc.rs
@@ -41,8 +41,8 @@
 use sp_core::H160;
 use sp_std::{collections::btree_map::BTreeMap, vec::Vec, vec};
 use up_data_structs::{
-	CollectionId, CollectionPropertiesVec, Property, PropertyKey, PropertyKeyPermission,
-	PropertyPermission, TokenId,
+	CollectionId, CollectionPropertiesVec, mapping::TokenAddressMapping, Property, PropertyKey,
+	PropertyKeyPermission, PropertyPermission, TokenId,
 };
 
 use crate::{
@@ -413,7 +413,7 @@
 }
 
 /// Returns amount of pieces of `token` that `owner` have
-fn balance<T: Config>(
+pub fn balance<T: Config>(
 	collection: &RefungibleHandle<T>,
 	token: TokenId,
 	owner: &T::CrossAccountId,
@@ -424,7 +424,7 @@
 }
 
 /// Throws if `owner_balance` is lower than total amount of `token` pieces
-fn ensure_single_owner<T: Config>(
+pub fn ensure_single_owner<T: Config>(
 	collection: &RefungibleHandle<T>,
 	token: TokenId,
 	owner_balance: u128,
@@ -788,6 +788,16 @@
 			.map_err(dispatch_to_evm::<T>)?;
 		Ok(true)
 	}
+
+	/// Returns EVM address for refungible token
+	///
+	/// @param token ID of the token
+	fn token_contract_address(&self, token: uint256) -> Result<address> {
+		Ok(T::EvmTokenAddressMapping::token_to_address(
+			self.id,
+			token.try_into().map_err(|_| "token id overflow")?,
+		))
+	}
 }
 
 #[solidity_interface(

--- a/pallets/refungible/src/erc_token.rs
+++ b/pallets/refungible/src/erc_token.rs
@@ -20,29 +20,89 @@
 //! Method implementations are mostly doing parameter conversion and calling Nonfungible Pallet methods.
 
 extern crate alloc;
+
+#[cfg(not(feature = "std"))]
+use alloc::format;
+
 use core::{
 	char::{REPLACEMENT_CHARACTER, decode_utf16},
 	convert::TryInto,
 	ops::Deref,
 };
-use evm_coder::{ToLog, execution::*, generate_stubgen, solidity_interface, types::*, weight};
+use evm_coder::{ToLog, execution::*, generate_stubgen, solidity, solidity_interface, types::*, weight};
 use pallet_common::{
 	CommonWeightInfo,
-	erc::{CommonEvmHandler, PrecompileResult},
+	erc::{CommonEvmHandler, PrecompileResult, static_property::key},
+	eth::map_eth_to_id,
 };
 use pallet_evm::{account::CrossAccountId, PrecompileHandle};
 use pallet_evm_coder_substrate::{call, dispatch_to_evm, WithRecorder};
 use pallet_structure::{SelfWeightOf as StructureWeight, weights::WeightInfo as _};
+use sp_core::H160;
 use sp_std::vec::Vec;
-use up_data_structs::TokenId;
+use up_data_structs::{mapping::TokenAddressMapping, PropertyScope, TokenId};
 
 use crate::{
 	Allowance, Balance, common::CommonWeights, Config, Pallet, RefungibleHandle, SelfWeightOf,
-	weights::WeightInfo, TotalSupply,
+	TokenProperties, TotalSupply, weights::WeightInfo,
 };
 
 pub struct RefungibleTokenHandle<T: Config>(pub RefungibleHandle<T>, pub TokenId);
 
+#[solidity_interface(name = "ERC1633")]
+impl<T: Config> RefungibleTokenHandle<T> {
+	fn parent_token(&self) -> Result<address> {
+		self.consume_store_reads(2)?;
+		let props = <TokenProperties<T>>::get((self.id, self.1));
+		let key = key::parent_nft();
+
+		let key_scoped = PropertyScope::Eth
+			.apply(key)
+			.expect("property key shouldn't exceed length limit");
+		let value = props.get(&key_scoped).ok_or("key not found")?;
+		Ok(H160::from_slice(value.as_slice()))
+	}
+
+	fn parent_token_id(&self) -> Result<uint256> {
+		self.consume_store_reads(2)?;
+		let props = <TokenProperties<T>>::get((self.id, self.1));
+		let key = key::parent_nft();
+
+		let key_scoped = PropertyScope::Eth
+			.apply(key)
+			.expect("property key shouldn't exceed length limit");
+		let value = props.get(&key_scoped).ok_or("key not found")?;
+		let nft_token_address = H160::from_slice(value.as_slice());
+		let nft_token_account = T::CrossAccountId::from_eth(nft_token_address);
+		let (_, token_id) = T::CrossTokenAddressMapping::address_to_token(&nft_token_account)
+			.ok_or("parent NFT should contain NFT token address")?;
+
+		Ok(token_id.into())
+	}
+}
+
+#[solidity_interface(name = "ERC1633UniqueExtensions")]
+impl<T: Config> RefungibleTokenHandle<T> {
+	#[solidity(rename_selector = "setParentNFT")]
+	#[weight(<CommonWeights<T>>::token_owner() + <SelfWeightOf<T>>::set_parent_nft_unchecked())]
+	fn set_parent_nft(
+		&mut self,
+		caller: caller,
+		collection: address,
+		nft_id: uint256,
+	) -> Result<bool> {
+		self.consume_store_reads(1)?;
+		let caller = T::CrossAccountId::from_eth(caller);
+		let nft_collection = map_eth_to_id(&collection).ok_or("collection not found")?;
+		let nft_token = nft_id.try_into()?;
+
+		<Pallet<T>>::set_parent_nft(&self.0, self.1, caller, nft_collection, nft_token)
+			.map_err(dispatch_to_evm::<T>)?;
+
+		Ok(true)
+	}
+}
+
 #[derive(ToLog)]
 pub enum ERC20Events {
 	/// @dev This event is emitted when the amount of tokens (value) is sent
@@ -239,7 +299,10 @@
 	}
 }
 
-#[solidity_interface(name = "UniqueRefungibleToken", is(ERC20, ERC20UniqueExtensions,))]
+#[solidity_interface(
+	name = "UniqueRefungibleToken",
+	is(ERC20, ERC20UniqueExtensions, ERC1633, ERC1633UniqueExtensions)
+)]
 impl<T: Config> RefungibleTokenHandle<T> where T::AccountId: From<[u8; 32]> {}
 
 generate_stubgen!(gen_impl, UniqueRefungibleTokenCall<()>, true);

--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -99,8 +99,12 @@
 use pallet_evm::{account::CrossAccountId, Pallet as PalletEvm};
 use pallet_evm_coder_substrate::WithRecorder;
 use pallet_common::{
-	CommonCollectionOperations, Error as CommonError, Event as CommonEvent,
-	eth::collection_id_to_address, Pallet as PalletCommon,
+	CollectionHandle, CommonCollectionOperations,
+	dispatch::CollectionDispatch,
+	erc::static_property::{key, property_value_from_bytes},
+	Error as CommonError,
+	eth::collection_id_to_address,
+	Event as CommonEvent, Pallet as PalletCommon,
 };
 use pallet_structure::Pallet as PalletStructure;
 use scale_info::TypeInfo;
@@ -108,10 +112,10 @@
 use sp_runtime::{ArithmeticError, DispatchError, DispatchResult, TransactionOutcome};
 use sp_std::{vec::Vec, vec, collections::btree_map::BTreeMap};
 use up_data_structs::{
-	AccessMode, budget::Budget, CollectionId, CreateCollectionData, CustomDataLimit,
-	mapping::TokenAddressMapping, MAX_REFUNGIBLE_PIECES, MAX_ITEMS_PER_BATCH, TokenId, Property,
+	AccessMode, budget::Budget, CollectionId, CollectionMode, CollectionPropertiesVec, CreateCollectionData, CustomDataLimit,
+	mapping::TokenAddressMapping, MAX_ITEMS_PER_BATCH, MAX_REFUNGIBLE_PIECES, Property,
 	PropertyKey, PropertyKeyPermission, PropertyPermission, PropertyScope, PropertyValue,
-	TrySetProperty, CollectionPropertiesVec,
+	TokenId, TrySetProperty,
 };
 use frame_support::BoundedBTreeMap;
 use derivative::Derivative;
@@ -1341,6 +1345,20 @@
 		<PalletCommon<T>>::set_token_property_permissions(collection, sender, property_permissions)
 	}
 
+	pub fn set_scoped_token_property_permissions(
+		collection: &RefungibleHandle<T>,
+		sender: &T::CrossAccountId,
+		scope: PropertyScope,
+		property_permissions: Vec<PropertyKeyPermission>,
+	) -> DispatchResult {
+		<PalletCommon<T>>::set_scoped_token_property_permissions(
+			collection,
+			sender,
+			scope,
+			property_permissions,
+		)
+	}
+
 	/// Returns 10 token in no particular order.
 	///
 	/// There is no direct way to get token holders in ascending order,
@@ -1362,4 +1380,68 @@
 			Some(res)
 		}
 	}
+
+	/// Sets the NFT token as a parent for the RFT token
+	///
+	/// Throws if `sender` is not the owner of the NFT token.
+	/// Throws if `sender` is not the owner of all of the RFT token pieces.
+	pub fn set_parent_nft(
+		collection: &RefungibleHandle<T>,
+		rft_token_id: TokenId,
+		sender: T::CrossAccountId,
+		nft_collection: CollectionId,
+		nft_token: TokenId,
+	) -> DispatchResult {
+		let handle = <CollectionHandle<T>>::try_get(nft_collection)?;
+		if handle.mode != CollectionMode::NFT {
+			return Err("Only NFT token could be parent to RFT".into());
+		}
+		let dispatch = T::CollectionDispatch::dispatch(handle);
+		let dispatch = dispatch.as_dyn();
+
+		let owner = dispatch.token_owner(nft_token).ok_or("owner not found")?;
+		if owner != sender {
+			return Err("Only owned token could be set as parent".into());
+		}
+
+		let nft_token_address =
+			T::CrossTokenAddressMapping::token_to_address(nft_collection, nft_token);
+
+		Self::set_parent_nft_unchecked(collection, rft_token_id, sender, nft_token_address)
+	}
+
+	/// Sets the NFT token as a parent for the RFT token
+	///
+	/// `sender` should be the owner of the NFT token.
+	/// Throws if `sender` is not the owner of all of the RFT token pieces.
+	pub fn set_parent_nft_unchecked(
+		collection: &RefungibleHandle<T>,
+		rft_token_id: TokenId,
+		sender: T::CrossAccountId,
+		nft_token_address: T::CrossAccountId,
+	) -> DispatchResult {
+		let owner_balance = <Balance<T>>::get((collection.id, rft_token_id, &sender));
+		let total_supply = <TotalSupply<T>>::get((collection.id, rft_token_id));
+		if total_supply != owner_balance {
+			return Err("token has multiple owners".into());
+		}
+
+		let parent_nft_property_key = key::parent_nft();
+
+		let parent_nft_property_value =
+			property_value_from_bytes(&nft_token_address.as_eth().to_fixed_bytes())
+				.expect("address should fit in value length limit");
+
+		<Pallet<T>>::set_scoped_token_property(
+			collection.id,
+			rft_token_id,
+			PropertyScope::Eth,
+			Property {
+				key: parent_nft_property_key,
+				value: parent_nft_property_value,
+			},
+		)?;
+
+		Ok(())
+	}
 }

binary blob — no preview

--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -413,7 +413,100 @@
 	}
 }
 
-// Selector: 7d9262e6
+// Selector: 7c3bef89
+contract ERC721UniqueExtensions is Dummy, ERC165 {
+	// @notice Transfer ownership of an RFT
+	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
+	//  is the zero address. Throws if `tokenId` is not a valid RFT.
+	//  Throws if RFT pieces have multiple owners.
+	// @param to The new owner
+	// @param tokenId The RFT to transfer
+	// @param _value Not used for an RFT
+	//
+	// Selector: transfer(address,uint256) a9059cbb
+	function transfer(address to, uint256 tokenId) public {
+		require(false, stub_error);
+		to;
+		tokenId;
+		dummy = 0;
+	}
+
+	// @notice Burns a specific ERC721 token.
+	// @dev Throws unless `msg.sender` is the current owner or an authorized
+	//  operator for this RFT. Throws if `from` is not the current owner. Throws
+	//  if `to` is the zero address. Throws if `tokenId` is not a valid RFT.
+	//  Throws if RFT pieces have multiple owners.
+	// @param from The current owner of the RFT
+	// @param tokenId The RFT to transfer
+	// @param _value Not used for an RFT
+	//
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 tokenId) public {
+		require(false, stub_error);
+		from;
+		tokenId;
+		dummy = 0;
+	}
+
+	// @notice Returns next free RFT ID.
+	//
+	// Selector: nextTokenId() 75794a3c
+	function nextTokenId() public view returns (uint256) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+
+	// @notice Function to mint multiple tokens.
+	// @dev `tokenIds` should be an array of consecutive numbers and first number
+	//  should be obtained with `nextTokenId` method
+	// @param to The new owner
+	// @param tokenIds IDs of the minted RFTs
+	//
+	// Selector: mintBulk(address,uint256[]) 44a9945e
+	function mintBulk(address to, uint256[] memory tokenIds)
+		public
+		returns (bool)
+	{
+		require(false, stub_error);
+		to;
+		tokenIds;
+		dummy = 0;
+		return false;
+	}
+
+	// @notice Function to mint multiple tokens with the given tokenUris.
+	// @dev `tokenIds` is array of pairs of token ID and token URI. Token IDs should be consecutive
+	//  numbers and first number should be obtained with `nextTokenId` method
+	// @param to The new owner
+	// @param tokens array of pairs of token ID and token URI for minted tokens
+	//
+	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
+	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
+		public
+		returns (bool)
+	{
+		require(false, stub_error);
+		to;
+		tokens;
+		dummy = 0;
+		return false;
+	}
+
+	// Returns EVM address for refungible token
+	//
+	// @param token ID of the token
+	//
+	// Selector: tokenContractAddress(uint256) ab76fac6
+	function tokenContractAddress(uint256 token) public view returns (address) {
+		require(false, stub_error);
+		token;
+		dummy;
+		return 0x0000000000000000000000000000000000000000;
+	}
+}
+
+// Selector: aa7d570d
 contract Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -636,88 +729,29 @@
 	function setCollectionMintMode(bool mode) public {
 		require(false, stub_error);
 		mode;
-		dummy = 0;
-	}
-}
-
-// Selector: d74d154f
-contract ERC721UniqueExtensions is Dummy, ERC165 {
-	// @notice Transfer ownership of an RFT
-	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
-	//  is the zero address. Throws if `tokenId` is not a valid RFT.
-	//  Throws if RFT pieces have multiple owners.
-	// @param to The new owner
-	// @param tokenId The RFT to transfer
-	// @param _value Not used for an RFT
-	//
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 tokenId) public {
-		require(false, stub_error);
-		to;
-		tokenId;
-		dummy = 0;
-	}
-
-	// @notice Burns a specific ERC721 token.
-	// @dev Throws unless `msg.sender` is the current owner or an authorized
-	//  operator for this RFT. Throws if `from` is not the current owner. Throws
-	//  if `to` is the zero address. Throws if `tokenId` is not a valid RFT.
-	//  Throws if RFT pieces have multiple owners.
-	// @param from The current owner of the RFT
-	// @param tokenId The RFT to transfer
-	// @param _value Not used for an RFT
-	//
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 tokenId) public {
-		require(false, stub_error);
-		from;
-		tokenId;
 		dummy = 0;
 	}
 
-	// @notice Returns next free RFT ID.
+	// Check that account is the owner or admin of the collection
 	//
-	// Selector: nextTokenId() 75794a3c
-	function nextTokenId() public view returns (uint256) {
-		require(false, stub_error);
-		dummy;
-		return 0;
-	}
-
-	// @notice Function to mint multiple tokens.
-	// @dev `tokenIds` should be an array of consecutive numbers and first number
-	//  should be obtained with `nextTokenId` method
-	// @param to The new owner
-	// @param tokenIds IDs of the minted RFTs
+	// @return "true" if account is the owner or admin
 	//
-	// Selector: mintBulk(address,uint256[]) 44a9945e
-	function mintBulk(address to, uint256[] memory tokenIds)
-		public
-		returns (bool)
-	{
+	// Selector: verifyOwnerOrAdmin() 04a46053
+	function verifyOwnerOrAdmin() public returns (bool) {
 		require(false, stub_error);
-		to;
-		tokenIds;
 		dummy = 0;
 		return false;
 	}
 
-	// @notice Function to mint multiple tokens with the given tokenUris.
-	// @dev `tokenIds` is array of pairs of token ID and token URI. Token IDs should be consecutive
-	//  numbers and first number should be obtained with `nextTokenId` method
-	// @param to The new owner
-	// @param tokens array of pairs of token ID and token URI for minted tokens
+	// Returns collection type
 	//
-	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
-	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
-		public
-		returns (bool)
-	{
+	// @return `Fungible` or `NFT` or `ReFungible`
+	//
+	// Selector: uniqueCollectionType() d34b55b8
+	function uniqueCollectionType() public returns (string memory) {
 		require(false, stub_error);
-		to;
-		tokens;
 		dummy = 0;
-		return false;
+		return "";
 	}
 }
 

--- a/pallets/refungible/src/stubs/UniqueRefungibleToken.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungibleToken.sol
@@ -31,6 +31,38 @@
 	);
 }
 
+// Selector: 042f1106
+contract ERC1633UniqueExtensions is Dummy, ERC165 {
+	// Selector: setParentNFT(address,uint256) 042f1106
+	function setParentNFT(address collection, uint256 nftId)
+		public
+		returns (bool)
+	{
+		require(false, stub_error);
+		collection;
+		nftId;
+		dummy = 0;
+		return false;
+	}
+}
+
+// Selector: 5755c3f2
+contract ERC1633 is Dummy, ERC165 {
+	// Selector: parentToken() 80a54001
+	function parentToken() public view returns (address) {
+		require(false, stub_error);
+		dummy;
+		return 0x0000000000000000000000000000000000000000;
+	}
+
+	// Selector: parentTokenId() d7f083f3
+	function parentTokenId() public view returns (uint256) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+}
+
 // Selector: 942e8b22
 contract ERC20 is Dummy, ERC165, ERC20Events {
 	// @return the name of the token.
@@ -178,4 +210,11 @@
 	}
 }
 
-contract UniqueRefungibleToken is Dummy, ERC165, ERC20, ERC20UniqueExtensions {}
+contract UniqueRefungibleToken is
+	Dummy,
+	ERC165,
+	ERC20,
+	ERC20UniqueExtensions,
+	ERC1633,
+	ERC1633UniqueExtensions
+{}

--- a/pallets/refungible/src/weights.rs
+++ b/pallets/refungible/src/weights.rs
@@ -3,7 +3,7 @@
 //! Autogenerated weights for pallet_refungible
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
-//! DATE: 2022-07-20, STEPS: `50`, REPEAT: 80, LOW RANGE: `[]`, HIGH RANGE: `[]`
+//! DATE: 2022-08-01, STEPS: `50`, REPEAT: 80, LOW RANGE: `[]`, HIGH RANGE: `[]`
 //! EXECUTION: None, WASM-EXECUTION: Compiled, CHAIN: None, DB CACHE: 1024
 
 // Executed Command:
@@ -53,6 +53,8 @@
 	fn set_token_properties(b: u32, ) -> Weight;
 	fn delete_token_properties(b: u32, ) -> Weight;
 	fn repartition_item() -> Weight;
+	fn set_parent_nft_unchecked() -> Weight;
+	fn token_owner() -> Weight;
 }
 
 /// Weights for pallet_refungible using the Substrate node and recommended hardware.
@@ -65,7 +67,7 @@
 	// Storage: Refungible TokenData (r:0 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn create_item() -> Weight {
-		(21_310_000 as Weight)
+		(25_197_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(6 as Weight))
 	}
@@ -76,9 +78,9 @@
 	// Storage: Refungible TokenData (r:0 w:4)
 	// Storage: Refungible Owned (r:0 w:4)
 	fn create_multiple_items(b: u32, ) -> Weight {
-		(9_552_000 as Weight)
+		(10_852_000 as Weight)
 			// Standard Error: 2_000
-			.saturating_add((7_056_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add((8_087_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes((4 as Weight).saturating_mul(b as Weight)))
@@ -90,9 +92,9 @@
 	// Storage: Refungible TokenData (r:0 w:4)
 	// Storage: Refungible Owned (r:0 w:4)
 	fn create_multiple_items_ex_multiple_items(b: u32, ) -> Weight {
-		(4_857_000 as Weight)
+		(9_978_000 as Weight)
 			// Standard Error: 2_000
-			.saturating_add((9_838_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add((10_848_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
@@ -105,9 +107,9 @@
 	// Storage: Refungible Balance (r:0 w:4)
 	// Storage: Refungible Owned (r:0 w:4)
 	fn create_multiple_items_ex_multiple_owners(b: u32, ) -> Weight {
-		(11_335_000 as Weight)
+		(15_419_000 as Weight)
 			// Standard Error: 2_000
-			.saturating_add((6_784_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add((7_813_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
@@ -118,7 +120,7 @@
 	// Storage: Refungible AccountBalance (r:1 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn burn_item_partial() -> Weight {
-		(21_239_000 as Weight)
+		(25_578_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(4 as Weight))
 	}
@@ -130,13 +132,13 @@
 	// Storage: Refungible Owned (r:0 w:1)
 	// Storage: Refungible TokenProperties (r:0 w:1)
 	fn burn_item_fully() -> Weight {
-		(29_426_000 as Weight)
+		(33_593_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(4 as Weight))
 			.saturating_add(T::DbWeight::get().writes(7 as Weight))
 	}
 	// Storage: Refungible Balance (r:2 w:2)
 	fn transfer_normal() -> Weight {
-		(17_743_000 as Weight)
+		(21_049_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
@@ -144,7 +146,7 @@
 	// Storage: Refungible AccountBalance (r:1 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn transfer_creating() -> Weight {
-		(20_699_000 as Weight)
+		(24_646_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(4 as Weight))
 	}
@@ -152,7 +154,7 @@
 	// Storage: Refungible AccountBalance (r:1 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn transfer_removing() -> Weight {
-		(22_833_000 as Weight)
+		(26_570_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(4 as Weight))
 	}
@@ -160,21 +162,21 @@
 	// Storage: Refungible AccountBalance (r:2 w:2)
 	// Storage: Refungible Owned (r:0 w:2)
 	fn transfer_creating_removing() -> Weight {
-		(24_936_000 as Weight)
+		(28_906_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(4 as Weight))
 			.saturating_add(T::DbWeight::get().writes(6 as Weight))
 	}
 	// Storage: Refungible Balance (r:1 w:0)
 	// Storage: Refungible Allowance (r:0 w:1)
 	fn approve() -> Weight {
-		(13_446_000 as Weight)
+		(16_451_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	// Storage: Refungible Allowance (r:1 w:1)
 	// Storage: Refungible Balance (r:2 w:2)
 	fn transfer_from_normal() -> Weight {
-		(24_777_000 as Weight)
+		(29_545_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
 	}
@@ -183,7 +185,7 @@
 	// Storage: Refungible AccountBalance (r:1 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn transfer_from_creating() -> Weight {
-		(28_483_000 as Weight)
+		(33_392_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(4 as Weight))
 			.saturating_add(T::DbWeight::get().writes(5 as Weight))
 	}
@@ -192,7 +194,7 @@
 	// Storage: Refungible AccountBalance (r:1 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn transfer_from_removing() -> Weight {
-		(29_896_000 as Weight)
+		(35_446_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(4 as Weight))
 			.saturating_add(T::DbWeight::get().writes(5 as Weight))
 	}
@@ -201,7 +203,7 @@
 	// Storage: Refungible AccountBalance (r:2 w:2)
 	// Storage: Refungible Owned (r:0 w:2)
 	fn transfer_from_creating_removing() -> Weight {
-		(32_070_000 as Weight)
+		(37_762_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(5 as Weight))
 			.saturating_add(T::DbWeight::get().writes(7 as Weight))
 	}
@@ -214,15 +216,15 @@
 	// Storage: Refungible Owned (r:0 w:1)
 	// Storage: Refungible TokenProperties (r:0 w:1)
 	fn burn_from() -> Weight {
-		(36_789_000 as Weight)
+		(42_620_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(5 as Weight))
 			.saturating_add(T::DbWeight::get().writes(8 as Weight))
 	}
 	// Storage: Common CollectionPropertyPermissions (r:1 w:1)
 	fn set_token_property_permissions(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 62_000
-			.saturating_add((15_803_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 65_000
+			.saturating_add((16_513_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
@@ -230,8 +232,8 @@
 	// Storage: Refungible TokenProperties (r:1 w:1)
 	fn set_token_properties(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 1_668_000
-			.saturating_add((302_308_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 1_583_000
+			.saturating_add((291_392_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
@@ -239,18 +241,31 @@
 	// Storage: Refungible TokenProperties (r:1 w:1)
 	fn delete_token_properties(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 1_619_000
-			.saturating_add((294_574_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 1_699_000
+			.saturating_add((293_270_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	// Storage: Refungible TotalSupply (r:1 w:1)
 	// Storage: Refungible Balance (r:1 w:1)
 	fn repartition_item() -> Weight {
-		(8_325_000 as Weight)
+		(19_206_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
+	// Storage: Refungible Balance (r:1 w:0)
+	// Storage: Refungible TotalSupply (r:1 w:0)
+	// Storage: Refungible TokenProperties (r:1 w:1)
+	fn set_parent_nft_unchecked() -> Weight {
+		(10_189_000 as Weight)
+			.saturating_add(T::DbWeight::get().reads(3 as Weight))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Refungible Balance (r:2 w:0)
+	fn token_owner() -> Weight {
+		(8_205_000 as Weight)
+			.saturating_add(T::DbWeight::get().reads(2 as Weight))
+	}
 }
 
 // For backwards compatibility and tests
@@ -262,7 +277,7 @@
 	// Storage: Refungible TokenData (r:0 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn create_item() -> Weight {
-		(21_310_000 as Weight)
+		(25_197_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(6 as Weight))
 	}
@@ -273,9 +288,9 @@
 	// Storage: Refungible TokenData (r:0 w:4)
 	// Storage: Refungible Owned (r:0 w:4)
 	fn create_multiple_items(b: u32, ) -> Weight {
-		(9_552_000 as Weight)
+		(10_852_000 as Weight)
 			// Standard Error: 2_000
-			.saturating_add((7_056_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add((8_087_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes((4 as Weight).saturating_mul(b as Weight)))
@@ -287,9 +302,9 @@
 	// Storage: Refungible TokenData (r:0 w:4)
 	// Storage: Refungible Owned (r:0 w:4)
 	fn create_multiple_items_ex_multiple_items(b: u32, ) -> Weight {
-		(4_857_000 as Weight)
+		(9_978_000 as Weight)
 			// Standard Error: 2_000
-			.saturating_add((9_838_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add((10_848_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
 			.saturating_add(RocksDbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
@@ -302,9 +317,9 @@
 	// Storage: Refungible Balance (r:0 w:4)
 	// Storage: Refungible Owned (r:0 w:4)
 	fn create_multiple_items_ex_multiple_owners(b: u32, ) -> Weight {
-		(11_335_000 as Weight)
+		(15_419_000 as Weight)
 			// Standard Error: 2_000
-			.saturating_add((6_784_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add((7_813_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
 			.saturating_add(RocksDbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
 			.saturating_add(RocksDbWeight::get().writes(3 as Weight))
@@ -315,7 +330,7 @@
 	// Storage: Refungible AccountBalance (r:1 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn burn_item_partial() -> Weight {
-		(21_239_000 as Weight)
+		(25_578_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(3 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(4 as Weight))
 	}
@@ -327,13 +342,13 @@
 	// Storage: Refungible Owned (r:0 w:1)
 	// Storage: Refungible TokenProperties (r:0 w:1)
 	fn burn_item_fully() -> Weight {
-		(29_426_000 as Weight)
+		(33_593_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(4 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(7 as Weight))
 	}
 	// Storage: Refungible Balance (r:2 w:2)
 	fn transfer_normal() -> Weight {
-		(17_743_000 as Weight)
+		(21_049_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
 	}
@@ -341,7 +356,7 @@
 	// Storage: Refungible AccountBalance (r:1 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn transfer_creating() -> Weight {
-		(20_699_000 as Weight)
+		(24_646_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(3 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(4 as Weight))
 	}
@@ -349,7 +364,7 @@
 	// Storage: Refungible AccountBalance (r:1 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn transfer_removing() -> Weight {
-		(22_833_000 as Weight)
+		(26_570_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(3 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(4 as Weight))
 	}
@@ -357,21 +372,21 @@
 	// Storage: Refungible AccountBalance (r:2 w:2)
 	// Storage: Refungible Owned (r:0 w:2)
 	fn transfer_creating_removing() -> Weight {
-		(24_936_000 as Weight)
+		(28_906_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(4 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(6 as Weight))
 	}
 	// Storage: Refungible Balance (r:1 w:0)
 	// Storage: Refungible Allowance (r:0 w:1)
 	fn approve() -> Weight {
-		(13_446_000 as Weight)
+		(16_451_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
 	// Storage: Refungible Allowance (r:1 w:1)
 	// Storage: Refungible Balance (r:2 w:2)
 	fn transfer_from_normal() -> Weight {
-		(24_777_000 as Weight)
+		(29_545_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(3 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(3 as Weight))
 	}
@@ -380,7 +395,7 @@
 	// Storage: Refungible AccountBalance (r:1 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn transfer_from_creating() -> Weight {
-		(28_483_000 as Weight)
+		(33_392_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(4 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(5 as Weight))
 	}
@@ -389,7 +404,7 @@
 	// Storage: Refungible AccountBalance (r:1 w:1)
 	// Storage: Refungible Owned (r:0 w:1)
 	fn transfer_from_removing() -> Weight {
-		(29_896_000 as Weight)
+		(35_446_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(4 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(5 as Weight))
 	}
@@ -398,7 +413,7 @@
 	// Storage: Refungible AccountBalance (r:2 w:2)
 	// Storage: Refungible Owned (r:0 w:2)
 	fn transfer_from_creating_removing() -> Weight {
-		(32_070_000 as Weight)
+		(37_762_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(5 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(7 as Weight))
 	}
@@ -411,15 +426,15 @@
 	// Storage: Refungible Owned (r:0 w:1)
 	// Storage: Refungible TokenProperties (r:0 w:1)
 	fn burn_from() -> Weight {
-		(36_789_000 as Weight)
+		(42_620_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(5 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(8 as Weight))
 	}
 	// Storage: Common CollectionPropertyPermissions (r:1 w:1)
 	fn set_token_property_permissions(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 62_000
-			.saturating_add((15_803_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 65_000
+			.saturating_add((16_513_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
@@ -427,8 +442,8 @@
 	// Storage: Refungible TokenProperties (r:1 w:1)
 	fn set_token_properties(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 1_668_000
-			.saturating_add((302_308_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 1_583_000
+			.saturating_add((291_392_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
@@ -436,16 +451,29 @@
 	// Storage: Refungible TokenProperties (r:1 w:1)
 	fn delete_token_properties(b: u32, ) -> Weight {
 		(0 as Weight)
-			// Standard Error: 1_619_000
-			.saturating_add((294_574_000 as Weight).saturating_mul(b as Weight))
+			// Standard Error: 1_699_000
+			.saturating_add((293_270_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
 	// Storage: Refungible TotalSupply (r:1 w:1)
 	// Storage: Refungible Balance (r:1 w:1)
 	fn repartition_item() -> Weight {
-		(8_325_000 as Weight)
+		(19_206_000 as Weight)
 			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
 	}
+	// Storage: Refungible Balance (r:1 w:0)
+	// Storage: Refungible TotalSupply (r:1 w:0)
+	// Storage: Refungible TokenProperties (r:1 w:1)
+	fn set_parent_nft_unchecked() -> Weight {
+		(10_189_000 as Weight)
+			.saturating_add(RocksDbWeight::get().reads(3 as Weight))
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+	}
+	// Storage: Refungible Balance (r:2 w:0)
+	fn token_owner() -> Weight {
+		(8_205_000 as Weight)
+			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
+	}
 }

--- a/pallets/unique/src/eth/mod.rs
+++ b/pallets/unique/src/eth/mod.rs
@@ -17,26 +17,29 @@
 //! Implementation of CollectionHelpers contract.
 
 use core::marker::PhantomData;
-use evm_coder::{execution::*, generate_stubgen, solidity_interface, solidity, weight, types::*};
 use ethereum as _;
-use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};
-use pallet_evm::{OnMethodCall, PrecompileResult, account::CrossAccountId, PrecompileHandle};
-use up_data_structs::{
-	CollectionName, CollectionDescription, CollectionTokenPrefix, CreateCollectionData,
-	CollectionMode, PropertyValue,
-};
+use evm_coder::{execution::*, generate_stubgen, solidity_interface, solidity, weight, types::*};
 use frame_support::traits::Get;
 use pallet_common::{
-	CollectionById,
+	CollectionById, CollectionHandle,
+	dispatch::CollectionDispatch,
 	erc::{
+		CollectionHelpersEvents,
 		static_property::{key, value as property_value},
-		CollectionHelpersEvents,
 	},
-	dispatch::CollectionDispatch,
+	Pallet as PalletCommon,
 };
-use crate::{SelfWeightOf, Config, weights::WeightInfo};
+use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};
+use pallet_evm::{account::CrossAccountId, OnMethodCall, PrecompileHandle, PrecompileResult};
+use pallet_evm_coder_substrate::dispatch_to_evm;
+use up_data_structs::{
+	CollectionName, CollectionDescription, CollectionTokenPrefix, CreateCollectionData,
+	CollectionMode, PropertyKeyPermission, PropertyPermission, PropertyScope, PropertyValue,
+};
+
+use crate::{Config, SelfWeightOf, weights::WeightInfo};
 
-use sp_std::vec::Vec;
+use sp_std::{vec, vec::Vec};
 use alloc::format;
 
 /// See [`CollectionHelpersCall`]
@@ -151,6 +154,54 @@
 	Ok(data)
 }
 
+fn parent_nft_property_permissions() -> PropertyKeyPermission {
+	PropertyKeyPermission {
+		key: key::parent_nft(),
+		permission: PropertyPermission {
+			mutable: false,
+			collection_admin: false,
+			token_owner: true,
+		},
+	}
+}
+
+fn create_refungible_collection_internal<
+	T: Config + pallet_nonfungible::Config + pallet_refungible::Config,
+>(
+	caller: caller,
+	name: string,
+	description: string,
+	token_prefix: string,
+	base_uri: string,
+	add_properties: bool,
+) -> Result<address> {
+	let (caller, name, description, token_prefix, base_uri_value) =
+		convert_data::<T>(caller, name, description, token_prefix, base_uri)?;
+	let data = make_data::<T>(
+		name,
+		CollectionMode::ReFungible,
+		description,
+		token_prefix,
+		base_uri_value,
+		add_properties,
+	)?;
+
+	let collection_id = T::CollectionDispatch::create(caller.clone(), data)
+		.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;
+
+	let handle = <CollectionHandle<T>>::try_get(collection_id).map_err(dispatch_to_evm::<T>)?;
+	<PalletCommon<T>>::set_scoped_token_property_permissions(
+		&handle,
+		&caller,
+		PropertyScope::Eth,
+		vec![parent_nft_property_permissions()],
+	)
+	.map_err(dispatch_to_evm::<T>)?;
+
+	let address = pallet_common::eth::collection_id_to_address(collection_id);
+	Ok(address)
+}
+
 /// @title Contract, which allows users to operate with collections
 #[solidity_interface(name = "CollectionHelpers", events(CollectionHelpersEvents))]
 impl<T> EvmCollectionHelpers<T>
@@ -216,27 +267,20 @@
 
 	#[weight(<SelfWeightOf<T>>::create_collection())]
 	fn create_refungible_collection(
-		&self,
+		&mut self,
 		caller: caller,
 		name: string,
 		description: string,
 		token_prefix: string,
 	) -> Result<address> {
-		let (caller, name, description, token_prefix, _base_uri) =
-			convert_data::<T>(caller, name, description, token_prefix, "".into())?;
-		let data = make_data::<T>(
+		create_refungible_collection_internal::<T>(
+			caller,
 			name,
-			CollectionMode::ReFungible,
 			description,
 			token_prefix,
 			Default::default(),
 			false,
-		)?;
-		let collection_id = T::CollectionDispatch::create(caller, data)
-			.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;
-
-		let address = pallet_common::eth::collection_id_to_address(collection_id);
-		Ok(address)
+		)
 	}
 
 	#[weight(<SelfWeightOf<T>>::create_collection())]
@@ -249,21 +293,14 @@
 		token_prefix: string,
 		base_uri: string,
 	) -> Result<address> {
-		let (caller, name, description, token_prefix, base_uri_value) =
-			convert_data::<T>(caller, name, description, token_prefix, base_uri)?;
-		let data = make_data::<T>(
+		create_refungible_collection_internal::<T>(
+			caller,
 			name,
-			CollectionMode::NFT,
 			description,
 			token_prefix,
-			base_uri_value,
+			base_uri,
 			true,
-		)?;
-		let collection_id = T::CollectionDispatch::create(caller, data)
-			.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;
-
-		let address = pallet_common::eth::collection_id_to_address(collection_id);
-		Ok(address)
+		)
 	}
 
 	/// Check if a collection exists

--- a/pallets/unique/src/eth/stubs/CollectionHelpers.sol
+++ b/pallets/unique/src/eth/stubs/CollectionHelpers.sol
@@ -72,12 +72,12 @@
 		string memory name,
 		string memory description,
 		string memory tokenPrefix
-	) public view returns (address) {
+	) public returns (address) {
 		require(false, stub_error);
 		name;
 		description;
 		tokenPrefix;
-		dummy;
+		dummy = 0;
 		return 0x0000000000000000000000000000000000000000;
 	}
 
@@ -96,7 +96,7 @@
 		dummy = 0;
 		return 0x0000000000000000000000000000000000000000;
 	}
-
+	
 	// Check if a collection exists
 	// @param collection_address Address of the collection in question
 	// @return bool Does the collection exist?

--- a/primitives/data-structs/src/lib.rs
+++ b/primitives/data-structs/src/lib.rs
@@ -1050,6 +1050,7 @@
 pub enum PropertyScope {
 	None,
 	Rmrk,
+	Eth,
 }
 
 impl PropertyScope {
@@ -1058,6 +1059,7 @@
 		let scope_str: &[u8] = match self {
 			Self::None => return Ok(key),
 			Self::Rmrk => b"rmrk",
+			Self::Eth => b"eth",
 		};
 
 		[scope_str, b":", key.as_slice()]

--- a/runtime/common/src/weights.rs
+++ b/runtime/common/src/weights.rs
@@ -99,6 +99,10 @@
 	fn burn_recursively_breadth_raw(amount: u32) -> Weight {
 		max_weight_of!(burn_recursively_breadth_raw(amount))
 	}
+
+	fn token_owner() -> Weight {
+		max_weight_of!(token_owner())
+	}
 }
 
 impl<T> RefungibleExtensionsWeightInfo for CommonWeights<T>

--- a/tests/src/eth/api/CollectionHelpers.sol
+++ b/tests/src/eth/api/CollectionHelpers.sol
@@ -48,7 +48,7 @@
 		string memory name,
 		string memory description,
 		string memory tokenPrefix
-	) external view returns (address);
+	) external returns (address);
 
 	// Selector: createERC721MetadataCompatibleRFTCollection(string,string,string,string) a5596388
 	function createERC721MetadataCompatibleRFTCollection(
@@ -57,7 +57,7 @@
 		string memory tokenPrefix,
 		string memory baseUri
 	) external returns (address);
-
+	
 	// Check if a collection exists
 	// @param collection_address Address of the collection in question
 	// @return bool Does the collection exist?

--- a/tests/src/eth/api/UniqueFungible.sol
+++ b/tests/src/eth/api/UniqueFungible.sol
@@ -28,7 +28,44 @@
 	function burnFrom(address from, uint256 amount) external returns (bool);
 }
 
-// Selector: 7d9262e6
+// Selector: 942e8b22
+interface ERC20 is Dummy, ERC165, ERC20Events {
+	// Selector: name() 06fdde03
+	function name() external view returns (string memory);
+
+	// Selector: symbol() 95d89b41
+	function symbol() external view returns (string memory);
+
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() external view returns (uint256);
+
+	// Selector: decimals() 313ce567
+	function decimals() external view returns (uint8);
+
+	// Selector: balanceOf(address) 70a08231
+	function balanceOf(address owner) external view returns (uint256);
+
+	// Selector: transfer(address,uint256) a9059cbb
+	function transfer(address to, uint256 amount) external returns (bool);
+
+	// Selector: transferFrom(address,address,uint256) 23b872dd
+	function transferFrom(
+		address from,
+		address to,
+		uint256 amount
+	) external returns (bool);
+
+	// Selector: approve(address,uint256) 095ea7b3
+	function approve(address spender, uint256 amount) external returns (bool);
+
+	// Selector: allowance(address,address) dd62ed3e
+	function allowance(address owner, address spender)
+		external
+		view
+		returns (uint256);
+}
+
+// Selector: aa7d570d
 interface Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -174,43 +211,16 @@
 	//
 	// Selector: setCollectionMintMode(bool) 00018e84
 	function setCollectionMintMode(bool mode) external;
-}
 
-// Selector: 942e8b22
-interface ERC20 is Dummy, ERC165, ERC20Events {
-	// Selector: name() 06fdde03
-	function name() external view returns (string memory);
-
-	// Selector: symbol() 95d89b41
-	function symbol() external view returns (string memory);
-
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() external view returns (uint256);
-
-	// Selector: decimals() 313ce567
-	function decimals() external view returns (uint8);
-
-	// Selector: balanceOf(address) 70a08231
-	function balanceOf(address owner) external view returns (uint256);
-
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 amount) external returns (bool);
-
-	// Selector: transferFrom(address,address,uint256) 23b872dd
-	function transferFrom(
-		address from,
-		address to,
-		uint256 amount
-	) external returns (bool);
+	// Check that account is the owner or admin of the collection
+	//
+	// @return "true" if account is the owner or admin
+	//
+	// Selector: verifyOwnerOrAdmin() 04a46053
+	function verifyOwnerOrAdmin() external returns (bool);
 
-	// Selector: approve(address,uint256) 095ea7b3
-	function approve(address spender, uint256 amount) external returns (bool);
-
-	// Selector: allowance(address,address) dd62ed3e
-	function allowance(address owner, address spender)
-		external
-		view
-		returns (uint256);
+	// Selector: uniqueCollectionType() d34b55b8
+	function uniqueCollectionType() external returns (string memory);
 }
 
 interface UniqueFungible is

--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -276,7 +276,7 @@
 	function totalSupply() external view returns (uint256);
 }
 
-// Selector: 7d9262e6
+// Selector: aa7d570d
 interface Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -422,6 +422,16 @@
 	//
 	// Selector: setCollectionMintMode(bool) 00018e84
 	function setCollectionMintMode(bool mode) external;
+
+	// Check that account is the owner or admin of the collection
+	//
+	// @return "true" if account is the owner or admin
+	//
+	// Selector: verifyOwnerOrAdmin() 04a46053
+	function verifyOwnerOrAdmin() external returns (bool);
+
+	// Selector: uniqueCollectionType() d34b55b8
+	function uniqueCollectionType() external returns (string memory);
 }
 
 // Selector: d74d154f

--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -274,7 +274,70 @@
 	function totalSupply() external view returns (uint256);
 }
 
-// Selector: 7d9262e6
+// Selector: 7c3bef89
+interface ERC721UniqueExtensions is Dummy, ERC165 {
+	// @notice Transfer ownership of an RFT
+	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
+	//  is the zero address. Throws if `tokenId` is not a valid RFT.
+	//  Throws if RFT pieces have multiple owners.
+	// @param to The new owner
+	// @param tokenId The RFT to transfer
+	// @param _value Not used for an RFT
+	//
+	// Selector: transfer(address,uint256) a9059cbb
+	function transfer(address to, uint256 tokenId) external;
+
+	// @notice Burns a specific ERC721 token.
+	// @dev Throws unless `msg.sender` is the current owner or an authorized
+	//  operator for this RFT. Throws if `from` is not the current owner. Throws
+	//  if `to` is the zero address. Throws if `tokenId` is not a valid RFT.
+	//  Throws if RFT pieces have multiple owners.
+	// @param from The current owner of the RFT
+	// @param tokenId The RFT to transfer
+	// @param _value Not used for an RFT
+	//
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 tokenId) external;
+
+	// @notice Returns next free RFT ID.
+	//
+	// Selector: nextTokenId() 75794a3c
+	function nextTokenId() external view returns (uint256);
+
+	// @notice Function to mint multiple tokens.
+	// @dev `tokenIds` should be an array of consecutive numbers and first number
+	//  should be obtained with `nextTokenId` method
+	// @param to The new owner
+	// @param tokenIds IDs of the minted RFTs
+	//
+	// Selector: mintBulk(address,uint256[]) 44a9945e
+	function mintBulk(address to, uint256[] memory tokenIds)
+		external
+		returns (bool);
+
+	// @notice Function to mint multiple tokens with the given tokenUris.
+	// @dev `tokenIds` is array of pairs of token ID and token URI. Token IDs should be consecutive
+	//  numbers and first number should be obtained with `nextTokenId` method
+	// @param to The new owner
+	// @param tokens array of pairs of token ID and token URI for minted tokens
+	//
+	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
+	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
+		external
+		returns (bool);
+
+	// Returns EVM address for refungible token
+	//
+	// @param token ID of the token
+	//
+	// Selector: tokenContractAddress(uint256) ab76fac6
+	function tokenContractAddress(uint256 token)
+		external
+		view
+		returns (address);
+}
+
+// Selector: aa7d570d
 interface Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -420,59 +483,20 @@
 	//
 	// Selector: setCollectionMintMode(bool) 00018e84
 	function setCollectionMintMode(bool mode) external;
-}
 
-// Selector: d74d154f
-interface ERC721UniqueExtensions is Dummy, ERC165 {
-	// @notice Transfer ownership of an RFT
-	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
-	//  is the zero address. Throws if `tokenId` is not a valid RFT.
-	//  Throws if RFT pieces have multiple owners.
-	// @param to The new owner
-	// @param tokenId The RFT to transfer
-	// @param _value Not used for an RFT
+	// Check that account is the owner or admin of the collection
 	//
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 tokenId) external;
-
-	// @notice Burns a specific ERC721 token.
-	// @dev Throws unless `msg.sender` is the current owner or an authorized
-	//  operator for this RFT. Throws if `from` is not the current owner. Throws
-	//  if `to` is the zero address. Throws if `tokenId` is not a valid RFT.
-	//  Throws if RFT pieces have multiple owners.
-	// @param from The current owner of the RFT
-	// @param tokenId The RFT to transfer
-	// @param _value Not used for an RFT
+	// @return "true" if account is the owner or admin
 	//
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 tokenId) external;
+	// Selector: verifyOwnerOrAdmin() 04a46053
+	function verifyOwnerOrAdmin() external returns (bool);
 
-	// @notice Returns next free RFT ID.
+	// Returns collection type
 	//
-	// Selector: nextTokenId() 75794a3c
-	function nextTokenId() external view returns (uint256);
-
-	// @notice Function to mint multiple tokens.
-	// @dev `tokenIds` should be an array of consecutive numbers and first number
-	//  should be obtained with `nextTokenId` method
-	// @param to The new owner
-	// @param tokenIds IDs of the minted RFTs
+	// @return `Fungible` or `NFT` or `ReFungible`
 	//
-	// Selector: mintBulk(address,uint256[]) 44a9945e
-	function mintBulk(address to, uint256[] memory tokenIds)
-		external
-		returns (bool);
-
-	// @notice Function to mint multiple tokens with the given tokenUris.
-	// @dev `tokenIds` is array of pairs of token ID and token URI. Token IDs should be consecutive
-	//  numbers and first number should be obtained with `nextTokenId` method
-	// @param to The new owner
-	// @param tokens array of pairs of token ID and token URI for minted tokens
-	//
-	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
-	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
-		external
-		returns (bool);
+	// Selector: uniqueCollectionType() d34b55b8
+	function uniqueCollectionType() external returns (string memory);
 }
 
 interface UniqueRefungible is

--- a/tests/src/eth/api/UniqueRefungibleToken.sol
+++ b/tests/src/eth/api/UniqueRefungibleToken.sol
@@ -22,6 +22,23 @@
 	);
 }
 
+// Selector: 042f1106
+interface ERC1633UniqueExtensions is Dummy, ERC165 {
+	// Selector: setParentNFT(address,uint256) 042f1106
+	function setParentNFT(address collection, uint256 nftId)
+		external
+		returns (bool);
+}
+
+// Selector: 5755c3f2
+interface ERC1633 is Dummy, ERC165 {
+	// Selector: parentToken() 80a54001
+	function parentToken() external view returns (address);
+
+	// Selector: parentTokenId() d7f083f3
+	function parentTokenId() external view returns (uint256);
+}
+
 // Selector: 942e8b22
 interface ERC20 is Dummy, ERC165, ERC20Events {
 	// @return the name of the token.
@@ -115,5 +132,7 @@
 	Dummy,
 	ERC165,
 	ERC20,
-	ERC20UniqueExtensions
+	ERC20UniqueExtensions,
+	ERC1633,
+	ERC1633UniqueExtensions
 {}

--- a/tests/src/eth/reFungibleAbi.json
+++ b/tests/src/eth/reFungibleAbi.json
@@ -482,6 +482,15 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "token", "type": "uint256" }
+    ],
+    "name": "tokenContractAddress",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "address", "name": "owner", "type": "address" },
       { "internalType": "uint256", "name": "index", "type": "uint256" }
     ],
@@ -526,5 +535,19 @@
     "outputs": [],
     "stateMutability": "nonpayable",
     "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "uniqueCollectionType",
+    "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "verifyOwnerOrAdmin",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "nonpayable",
+    "type": "function"
   }
 ]

--- a/tests/src/eth/reFungibleToken.test.ts
+++ b/tests/src/eth/reFungibleToken.test.ts
@@ -15,7 +15,7 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 import {approve, createCollection, createRefungibleToken, transfer, transferFrom, UNIQUE} from '../util/helpers';
-import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, evmCollection, evmCollectionHelpers, GAS_ARGS, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, tokenIdToAddress, transferBalanceToEth} from './util/helpers';
+import {collectionIdFromAddress, collectionIdToAddress, createEthAccount, createEthAccountWithBalance, createNonfungibleCollection, createRefungibleCollection, evmCollection, evmCollectionHelpers, GAS_ARGS, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, tokenIdToAddress, transferBalanceToEth, uniqueNFT, uniqueRefungible, uniqueRefungibleToken} from './util/helpers';
 import reFungibleTokenAbi from './reFungibleTokenAbi.json';
 
 import chai from 'chai';
@@ -630,3 +630,31 @@
     ]);
   });
 });
+
+describe('ERC 1633 implementation', () => {
+  itWeb3('Parent NFT token address and id', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+
+    const {collectionIdAddress:  nftCollectionAddress} = await createNonfungibleCollection(api, web3, owner);
+    const nftContract = uniqueNFT(web3, nftCollectionAddress, owner);
+    const nftTokenId = await nftContract.methods.nextTokenId().call();
+    await nftContract.methods.mint(owner, nftTokenId).send();
+    const nftCollectionId = collectionIdFromAddress(nftCollectionAddress);
+
+    const {collectionIdAddress, collectionId} = await createRefungibleCollection(api, web3, owner);
+    const refungibleContract = uniqueRefungible(web3, collectionIdAddress, owner);
+    const refungibleTokenId = await refungibleContract.methods.nextTokenId().call();
+    await refungibleContract.methods.mint(owner, refungibleTokenId).send();
+
+    const rftTokenAddress = tokenIdToAddress(collectionId, refungibleTokenId);
+    const refungibleTokenContract = uniqueRefungibleToken(web3, rftTokenAddress, owner);
+    await refungibleTokenContract.methods.setParentNFT(nftCollectionAddress, nftTokenId).send();
+
+    const tokenAddress = await refungibleTokenContract.methods.parentToken().call();
+    const tokenId = await refungibleTokenContract.methods.parentTokenId().call();
+    const nftTokenAddress = tokenIdToAddress(nftCollectionId, nftTokenId);
+    expect(tokenAddress).to.be.equal(nftTokenAddress);
+    expect(tokenId).to.be.equal(nftTokenId);
+  });
+});
+

--- a/tests/src/eth/reFungibleTokenAbi.json
+++ b/tests/src/eth/reFungibleTokenAbi.json
@@ -103,6 +103,20 @@
     "type": "function"
   },
   {
+    "inputs": [],
+    "name": "parentToken",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "parentTokenId",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
     "inputs": [
       { "internalType": "uint256", "name": "amount", "type": "uint256" }
     ],
@@ -113,6 +127,16 @@
   },
   {
     "inputs": [
+      { "internalType": "address", "name": "collection", "type": "address" },
+      { "internalType": "uint256", "name": "nftId", "type": "uint256" }
+    ],
+    "name": "setParentNFT",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" }
     ],
     "name": "supportsInterface",