git.delta.rocks / unique-network / refs/commits / 9e1cf3ee12f3

--- a/.docker/forkless-config/launch-config-forkless-data.j2
+++ b/.docker/forkless-config/launch-config-forkless-data.j2
@@ -86,7 +86,7 @@
     },
       "parachains": [
         {
-            "bin": "/unique-chain/target/release/unique-collator",
+            "bin": "/unique-chain/current/release/unique-collator",
             "upgradeBin": "/unique-chain/target/release/unique-collator",
             "upgradeWasm": "/unique-chain/target/release/wbuild/{{ FEATURE }}/{{ RUNTIME }}_runtime.compact.compressed.wasm",
             "id": "1000",

191        shell: bash191        shell: bash
192192
193      - name: Run tests before Node Parachain upgrade193      - name: Run tests before Node Parachain upgrade
194        run: |194        run: |
195          cd tests195          cd tests
196          yarn install196          yarn install
197          yarn add mochawesome197          yarn add mochawesome
198          echo "Ready to start tests"198          echo "Ready to start tests"
199          node scripts/readyness.js199          NOW=$(date +%s) && yarn test --reporter mochawesome --reporter-options reportFilename=test-${NOW}
200          NOW=$(date +%s) && yarn test --reporter mochawesome --reporter-options reportFilename=test-${NOW}
201        env:200        env:
202          RPC_URL: http://127.0.0.1:9933/201          RPC_URL: http://127.0.0.1:9933/
203202
267        shell: bash266        shell: bash
268267
269      - name: Run tests after Node Parachain upgrade268      - name: Run tests after Node Parachain upgrade
270        run: |269        run: |
271          cd tests270          cd tests
272          yarn install271          yarn install
273          yarn add mochawesome272          yarn add mochawesome
274          echo "Ready to start tests"273          echo "Ready to start tests"
275          node scripts/readyness.js274          NOW=$(date +%s) && yarn test --reporter mochawesome --reporter-options reportFilename=test-${NOW}
276          NOW=$(date +%s) && yarn test --reporter mochawesome --reporter-options reportFilename=test-${NOW}
277        env:275        env:
278          RPC_URL: http://127.0.0.1:9933/276          RPC_URL: http://127.0.0.1:9933/
279277

--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5552,7 +5552,7 @@
 
 [[package]]
 name = "pallet-common"
-version = "0.1.5"
+version = "0.1.6"
 dependencies = [
  "ethereum",
  "evm-coder",
@@ -12473,7 +12473,7 @@
 
 [[package]]
 name = "up-common"
-version = "0.9.25"
+version = "0.9.27"
 dependencies = [
  "fp-rpc",
  "frame-support",

--- a/pallets/common/CHANGELOG.md
+++ b/pallets/common/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.1.6] - 2022-08-16
+
+### Added
+-   New Ethereum API methods: changeOwner, changeOwner(Substrate) and verifyOwnerOrAdmin(Substrate).
+
 <!-- bureaucrate goes here -->
 ## [v0.1.5] 2022-08-16
 

--- a/pallets/common/Cargo.toml
+++ b/pallets/common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pallet-common"
-version = "0.1.5"
+version = "0.1.6"
 license = "GPLv3"
 edition = "2021"
 

--- a/pallets/common/src/erc.rs
+++ b/pallets/common/src/erc.rs
@@ -30,7 +30,10 @@
 };
 use alloc::format;
 
-use crate::{Pallet, CollectionHandle, Config, CollectionProperties};
+use crate::{
+	Pallet, CollectionHandle, Config, CollectionProperties,
+	eth::convert_substrate_address_to_cross_account_id,
+};
 
 /// Events for ethereum collection helper.
 #[derive(ToLog)]
@@ -232,10 +235,7 @@
 		new_admin: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
-		let mut new_admin_arr: [u8; 32] = Default::default();
-		new_admin.to_big_endian(&mut new_admin_arr);
-		let account_id = T::AccountId::from(new_admin_arr);
-		let new_admin = T::CrossAccountId::from_sub(account_id);
+		let new_admin = convert_substrate_address_to_cross_account_id::<T>(new_admin);
 		<Pallet<T>>::toggle_admin(self, &caller, &new_admin, true).map_err(dispatch_to_evm::<T>)?;
 		Ok(())
 	}
@@ -248,10 +248,7 @@
 		admin: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
-		let mut admin_arr: [u8; 32] = Default::default();
-		admin.to_big_endian(&mut admin_arr);
-		let account_id = T::AccountId::from(admin_arr);
-		let admin = T::CrossAccountId::from_sub(account_id);
+		let admin = convert_substrate_address_to_cross_account_id::<T>(admin);
 		<Pallet<T>>::toggle_admin(self, &caller, &admin, false).map_err(dispatch_to_evm::<T>)?;
 		Ok(())
 	}
@@ -414,12 +411,21 @@
 	///
 	/// @param user account to verify
 	/// @return "true" if account is the owner or admin
-	fn verify_owner_or_admin(&self, user: address) -> Result<bool> {
-		Ok(check_is_owner_or_admin(user, self)
-			.map(|_| true)
-			.unwrap_or(false))
+	#[solidity(rename_selector = "isOwnerOrAdmin")]
+	fn is_owner_or_admin_eth(&self, user: address) -> Result<bool> {
+		let user = T::CrossAccountId::from_eth(user);
+		Ok(self.is_owner_or_admin(&user))
 	}
 
+	/// Check that substrate account is the owner or admin of the collection
+	///
+	/// @param user account to verify
+	/// @return "true" if account is the owner or admin
+	fn is_owner_or_admin_substrate(&self, user: uint256) -> Result<bool> {
+		let user = convert_substrate_address_to_cross_account_id::<T>(user);
+		Ok(self.is_owner_or_admin(&user))
+	}
+
 	/// Returns collection type
 	///
 	/// @return `Fungible` or `NFT` or `ReFungible`
@@ -431,6 +437,28 @@
 		};
 		Ok(mode.into())
 	}
+
+	/// Changes collection owner to another account
+	///
+	/// @dev Owner can be changed only by current owner
+	/// @param newOwner new owner account
+	fn set_owner(&mut self, caller: caller, new_owner: address) -> Result<void> {
+		let caller = T::CrossAccountId::from_eth(caller);
+		let new_owner = T::CrossAccountId::from_eth(new_owner);
+		self.set_owner_internal(caller, new_owner)
+			.map_err(dispatch_to_evm::<T>)
+	}
+
+	/// Changes collection owner to another substrate account
+	///
+	/// @dev Owner can be changed only by current owner
+	/// @param newOwner new owner substrate account
+	fn set_owner_substrate(&mut self, caller: caller, new_owner: uint256) -> Result<void> {
+		let caller = T::CrossAccountId::from_eth(caller);
+		let new_owner = convert_substrate_address_to_cross_account_id::<T>(new_owner);
+		self.set_owner_internal(caller, new_owner)
+			.map_err(dispatch_to_evm::<T>)
+	}
 }
 
 fn check_is_owner_or_admin<T: Config>(
@@ -440,16 +468,17 @@
 	let caller = T::CrossAccountId::from_eth(caller);
 	collection
 		.check_is_owner_or_admin(&caller)
-		.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;
+		.map_err(dispatch_to_evm::<T>)?;
 	Ok(caller)
 }
 
 fn save<T: Config>(collection: &CollectionHandle<T>) -> Result<void> {
 	// TODO possibly delete for the lack of transaction
+	collection.consume_store_writes(1)?;
 	collection
 		.check_is_internal()
 		.map_err(dispatch_to_evm::<T>)?;
-	<crate::CollectionById<T>>::insert(collection.id, collection.collection.clone());
+	collection.save().map_err(dispatch_to_evm::<T>)?;
 	Ok(())
 }
 

--- a/pallets/common/src/eth.rs
+++ b/pallets/common/src/eth.rs
@@ -16,9 +16,13 @@
 
 //! The module contains a number of functions for converting and checking ethereum identifiers.
 
+use evm_coder::{types::*};
+pub use pallet_evm::account::CrossAccountId;
+use sp_core::H160;
 use up_data_structs::CollectionId;
-use sp_core::H160;
 
+use crate::Config;
+
 // 0x17c4e6453Cc49AAAaEACA894e6D9683e00000001 - collection 1
 // TODO: Unhardcode prefix
 const ETH_COLLECTION_PREFIX: [u8; 16] = [
@@ -47,3 +51,16 @@
 pub fn is_collection(address: &H160) -> bool {
 	address[0..16] == ETH_COLLECTION_PREFIX
 }
+
+/// Converts Substrate address to CrossAccountId
+pub fn convert_substrate_address_to_cross_account_id<T: Config>(
+	address: uint256,
+) -> T::CrossAccountId
+where
+	T::AccountId: From<[u8; 32]>,
+{
+	let mut address_arr: [u8; 32] = Default::default();
+	address.to_big_endian(&mut address_arr);
+	let account_id = T::AccountId::from(address_arr);
+	T::CrossAccountId::from_sub(account_id)
+}

--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -203,8 +203,8 @@
 	}
 
 	/// Save collection to storage.
-	pub fn save(self) -> DispatchResult {
-		<CollectionById<T>>::insert(self.id, self.collection);
+	pub fn save(&self) -> DispatchResult {
+		<CollectionById<T>>::insert(self.id, &self.collection);
 		Ok(())
 	}
 
@@ -302,6 +302,17 @@
 		);
 		Ok(())
 	}
+
+	/// Changes collection owner to another account
+	fn set_owner_internal(
+		&mut self,
+		caller: T::CrossAccountId,
+		new_owner: T::CrossAccountId,
+	) -> DispatchResult {
+		self.check_is_owner(&caller)?;
+		self.collection.owner = new_owner.as_sub().clone();
+		self.save()
+	}
 }
 
 #[frame_support::pallet]

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--- a/pallets/fungible/src/stubs/UniqueFungible.sol
+++ b/pallets/fungible/src/stubs/UniqueFungible.sol
@@ -31,7 +31,103 @@
 	);
 }
 
-// Selector: 6cf113cd
+// Selector: 79cc6790
+contract ERC20UniqueExtensions is Dummy, ERC165 {
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 amount) public returns (bool) {
+		require(false, stub_error);
+		from;
+		amount;
+		dummy = 0;
+		return false;
+	}
+}
+
+// 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: ffe4da23
 contract Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -262,119 +358,60 @@
 	// @param user account to verify
 	// @return "true" if account is the owner or admin
 	//
-	// Selector: verifyOwnerOrAdmin(address) c2282493
-	function verifyOwnerOrAdmin(address user) public view returns (bool) {
+	// Selector: isOwnerOrAdmin(address) 9811b0c7
+	function isOwnerOrAdmin(address user) public view returns (bool) {
 		require(false, stub_error);
 		user;
 		dummy;
 		return false;
 	}
 
+	// Check that substrate account is the owner or admin of the collection
+	//
+	// @param user account to verify
+	// @return "true" if account is the owner or admin
+	//
+	// Selector: isOwnerOrAdminSubstrate(uint256) 68910e00
+	function isOwnerOrAdminSubstrate(uint256 user) public view returns (bool) {
+		require(false, stub_error);
+		user;
+		dummy;
+		return false;
+	}
+
 	// Returns collection type
 	//
 	// @return `Fungible` or `NFT` or `ReFungible`
 	//
 	// Selector: uniqueCollectionType() d34b55b8
 	function uniqueCollectionType() public returns (string memory) {
-		require(false, stub_error);
-		dummy = 0;
-		return "";
-	}
-}
-
-// Selector: 79cc6790
-contract ERC20UniqueExtensions is Dummy, ERC165 {
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 amount) public returns (bool) {
 		require(false, stub_error);
-		from;
-		amount;
 		dummy = 0;
-		return false;
-	}
-}
-
-// 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) {
+	// Changes collection owner to another account
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner account
+	//
+	// Selector: setOwner(address) 13af4035
+	function setOwner(address newOwner) public {
 		require(false, stub_error);
-		to;
-		amount;
+		newOwner;
 		dummy = 0;
-		return false;
 	}
 
-	// Selector: transferFrom(address,address,uint256) 23b872dd
-	function transferFrom(
-		address from,
-		address to,
-		uint256 amount
-	) public returns (bool) {
+	// Changes collection owner to another substrate account
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner substrate account
+	//
+	// Selector: setOwnerSubstrate(uint256) b212138f
+	function setOwnerSubstrate(uint256 newOwner) public {
 		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;
+		newOwner;
 		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;
 	}
 }
 

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--- a/pallets/nonfungible/src/stubs/UniqueNFT.sol
+++ b/pallets/nonfungible/src/stubs/UniqueNFT.sol
@@ -373,7 +373,128 @@
 	}
 }
 
-// Selector: 6cf113cd
+// Selector: 780e9d63
+contract ERC721Enumerable is Dummy, ERC165 {
+	// @notice Enumerate valid NFTs
+	// @param index A counter less than `totalSupply()`
+	// @return The token identifier for the `index`th NFT,
+	//  (sort order not specified)
+	//
+	// Selector: tokenByIndex(uint256) 4f6ccce7
+	function tokenByIndex(uint256 index) public view returns (uint256) {
+		require(false, stub_error);
+		index;
+		dummy;
+		return 0;
+	}
+
+	// @dev Not implemented
+	//
+	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
+	function tokenOfOwnerByIndex(address owner, uint256 index)
+		public
+		view
+		returns (uint256)
+	{
+		require(false, stub_error);
+		owner;
+		index;
+		dummy;
+		return 0;
+	}
+
+	// @notice Count NFTs tracked by this contract
+	// @return A count of valid NFTs tracked by this contract, where each one of
+	//  them has an assigned and queryable owner not equal to the zero address
+	//
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() public view returns (uint256) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+}
+
+// Selector: d74d154f
+contract ERC721UniqueExtensions is Dummy, ERC165 {
+	// @notice Transfer ownership of an NFT
+	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
+	//  is the zero address. Throws if `tokenId` is not a valid NFT.
+	// @param to The new owner
+	// @param tokenId The NFT to transfer
+	// @param _value Not used for an NFT
+	//
+	// 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 NFT. Throws if `from` is not the current owner. Throws
+	//  if `to` is the zero address. Throws if `tokenId` is not a valid NFT.
+	// @param from The current owner of the NFT
+	// @param tokenId The NFT to transfer
+	// @param _value Not used for an NFT
+	//
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 tokenId) public {
+		require(false, stub_error);
+		from;
+		tokenId;
+		dummy = 0;
+	}
+
+	// @notice Returns next free NFT 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 NFTs
+	//
+	// 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;
+	}
+}
+
+// Selector: ffe4da23
 contract Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -604,144 +725,60 @@
 	// @param user account to verify
 	// @return "true" if account is the owner or admin
 	//
-	// Selector: verifyOwnerOrAdmin(address) c2282493
-	function verifyOwnerOrAdmin(address user) public view returns (bool) {
+	// Selector: isOwnerOrAdmin(address) 9811b0c7
+	function isOwnerOrAdmin(address user) public view returns (bool) {
 		require(false, stub_error);
 		user;
 		dummy;
 		return false;
 	}
 
-	// Returns collection type
-	//
-	// @return `Fungible` or `NFT` or `ReFungible`
-	//
-	// Selector: uniqueCollectionType() d34b55b8
-	function uniqueCollectionType() public returns (string memory) {
-		require(false, stub_error);
-		dummy = 0;
-		return "";
-	}
-}
-
-// Selector: 780e9d63
-contract ERC721Enumerable is Dummy, ERC165 {
-	// @notice Enumerate valid NFTs
-	// @param index A counter less than `totalSupply()`
-	// @return The token identifier for the `index`th NFT,
-	//  (sort order not specified)
+	// Check that substrate account is the owner or admin of the collection
 	//
-	// Selector: tokenByIndex(uint256) 4f6ccce7
-	function tokenByIndex(uint256 index) public view returns (uint256) {
-		require(false, stub_error);
-		index;
-		dummy;
-		return 0;
-	}
-
-	// @dev Not implemented
+	// @param user account to verify
+	// @return "true" if account is the owner or admin
 	//
-	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
-	function tokenOfOwnerByIndex(address owner, uint256 index)
-		public
-		view
-		returns (uint256)
-	{
+	// Selector: isOwnerOrAdminSubstrate(uint256) 68910e00
+	function isOwnerOrAdminSubstrate(uint256 user) public view returns (bool) {
 		require(false, stub_error);
-		owner;
-		index;
+		user;
 		dummy;
-		return 0;
+		return false;
 	}
 
-	// @notice Count NFTs tracked by this contract
-	// @return A count of valid NFTs tracked by this contract, where each one of
-	//  them has an assigned and queryable owner not equal to the zero address
+	// Returns collection type
 	//
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() public view returns (uint256) {
-		require(false, stub_error);
-		dummy;
-		return 0;
-	}
-}
-
-// Selector: d74d154f
-contract ERC721UniqueExtensions is Dummy, ERC165 {
-	// @notice Transfer ownership of an NFT
-	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
-	//  is the zero address. Throws if `tokenId` is not a valid NFT.
-	// @param to The new owner
-	// @param tokenId The NFT to transfer
-	// @param _value Not used for an NFT
+	// @return `Fungible` or `NFT` or `ReFungible`
 	//
-	// 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 NFT. Throws if `from` is not the current owner. Throws
-	//  if `to` is the zero address. Throws if `tokenId` is not a valid NFT.
-	// @param from The current owner of the NFT
-	// @param tokenId The NFT to transfer
-	// @param _value Not used for an NFT
-	//
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 tokenId) public {
+	// Selector: uniqueCollectionType() d34b55b8
+	function uniqueCollectionType() public returns (string memory) {
 		require(false, stub_error);
-		from;
-		tokenId;
 		dummy = 0;
+		return "";
 	}
 
-	// @notice Returns next free NFT ID.
+	// Changes collection owner to another account
 	//
-	// 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 NFTs
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner account
 	//
-	// Selector: mintBulk(address,uint256[]) 44a9945e
-	function mintBulk(address to, uint256[] memory tokenIds)
-		public
-		returns (bool)
-	{
+	// Selector: setOwner(address) 13af4035
+	function setOwner(address newOwner) public {
 		require(false, stub_error);
-		to;
-		tokenIds;
+		newOwner;
 		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
+	// Changes collection owner to another substrate account
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner substrate account
 	//
-	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
-	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
-		public
-		returns (bool)
-	{
+	// Selector: setOwnerSubstrate(uint256) b212138f
+	function setOwnerSubstrate(uint256 newOwner) public {
 		require(false, stub_error);
-		to;
-		tokens;
+		newOwner;
 		dummy = 0;
-		return false;
 	}
 }
 

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--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -371,7 +371,142 @@
 	}
 }
 
-// Selector: 6cf113cd
+// Selector: 780e9d63
+contract ERC721Enumerable is Dummy, ERC165 {
+	// @notice Enumerate valid RFTs
+	// @param index A counter less than `totalSupply()`
+	// @return The token identifier for the `index`th NFT,
+	//  (sort order not specified)
+	//
+	// Selector: tokenByIndex(uint256) 4f6ccce7
+	function tokenByIndex(uint256 index) public view returns (uint256) {
+		require(false, stub_error);
+		index;
+		dummy;
+		return 0;
+	}
+
+	// Not implemented
+	//
+	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
+	function tokenOfOwnerByIndex(address owner, uint256 index)
+		public
+		view
+		returns (uint256)
+	{
+		require(false, stub_error);
+		owner;
+		index;
+		dummy;
+		return 0;
+	}
+
+	// @notice Count RFTs tracked by this contract
+	// @return A count of valid RFTs tracked by this contract, where each one of
+	//  them has an assigned and queryable owner not equal to the zero address
+	//
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() public view returns (uint256) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+}
+
+// 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: ffe4da23
 contract Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -602,158 +737,60 @@
 	// @param user account to verify
 	// @return "true" if account is the owner or admin
 	//
-	// Selector: verifyOwnerOrAdmin(address) c2282493
-	function verifyOwnerOrAdmin(address user) public view returns (bool) {
+	// Selector: isOwnerOrAdmin(address) 9811b0c7
+	function isOwnerOrAdmin(address user) public view returns (bool) {
 		require(false, stub_error);
 		user;
 		dummy;
 		return false;
 	}
 
-	// Returns collection type
-	//
-	// @return `Fungible` or `NFT` or `ReFungible`
-	//
-	// Selector: uniqueCollectionType() d34b55b8
-	function uniqueCollectionType() public returns (string memory) {
-		require(false, stub_error);
-		dummy = 0;
-		return "";
-	}
-}
-
-// Selector: 780e9d63
-contract ERC721Enumerable is Dummy, ERC165 {
-	// @notice Enumerate valid RFTs
-	// @param index A counter less than `totalSupply()`
-	// @return The token identifier for the `index`th NFT,
-	//  (sort order not specified)
+	// Check that substrate account is the owner or admin of the collection
 	//
-	// Selector: tokenByIndex(uint256) 4f6ccce7
-	function tokenByIndex(uint256 index) public view returns (uint256) {
-		require(false, stub_error);
-		index;
-		dummy;
-		return 0;
-	}
-
-	// Not implemented
+	// @param user account to verify
+	// @return "true" if account is the owner or admin
 	//
-	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
-	function tokenOfOwnerByIndex(address owner, uint256 index)
-		public
-		view
-		returns (uint256)
-	{
+	// Selector: isOwnerOrAdminSubstrate(uint256) 68910e00
+	function isOwnerOrAdminSubstrate(uint256 user) public view returns (bool) {
 		require(false, stub_error);
-		owner;
-		index;
+		user;
 		dummy;
-		return 0;
+		return false;
 	}
 
-	// @notice Count RFTs tracked by this contract
-	// @return A count of valid RFTs tracked by this contract, where each one of
-	//  them has an assigned and queryable owner not equal to the zero address
+	// Returns collection type
 	//
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() public view returns (uint256) {
-		require(false, stub_error);
-		dummy;
-		return 0;
-	}
-}
-
-// 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
+	// @return `Fungible` or `NFT` or `ReFungible`
 	//
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 tokenId) public {
+	// Selector: uniqueCollectionType() d34b55b8
+	function uniqueCollectionType() public returns (string memory) {
 		require(false, stub_error);
-		to;
-		tokenId;
 		dummy = 0;
+		return "";
 	}
 
-	// @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
+	// Changes collection owner to another account
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner account
 	//
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 tokenId) public {
+	// Selector: setOwner(address) 13af4035
+	function setOwner(address newOwner) public {
 		require(false, stub_error);
-		from;
-		tokenId;
+		newOwner;
 		dummy = 0;
 	}
 
-	// @notice Returns next free RFT ID.
+	// Changes collection owner to another substrate account
 	//
-	// 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
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner substrate account
 	//
-	// Selector: mintBulk(address,uint256[]) 44a9945e
-	function mintBulk(address to, uint256[] memory tokenIds)
-		public
-		returns (bool)
-	{
+	// Selector: setOwnerSubstrate(uint256) b212138f
+	function setOwnerSubstrate(uint256 newOwner) public {
 		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;
+		newOwner;
 		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;
 	}
 }
 

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--- a/tests/src/eth/api/UniqueFungible.sol
+++ b/tests/src/eth/api/UniqueFungible.sol
@@ -22,7 +22,50 @@
 	);
 }
 
-// Selector: 6cf113cd
+// Selector: 79cc6790
+interface ERC20UniqueExtensions is Dummy, ERC165 {
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 amount) external returns (bool);
+}
+
+// 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: ffe4da23
 interface Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -174,8 +217,16 @@
 	// @param user account to verify
 	// @return "true" if account is the owner or admin
 	//
-	// Selector: verifyOwnerOrAdmin(address) c2282493
-	function verifyOwnerOrAdmin(address user) external view returns (bool);
+	// Selector: isOwnerOrAdmin(address) 9811b0c7
+	function isOwnerOrAdmin(address user) external view returns (bool);
+
+	// Check that substrate account is the owner or admin of the collection
+	//
+	// @param user account to verify
+	// @return "true" if account is the owner or admin
+	//
+	// Selector: isOwnerOrAdminSubstrate(uint256) 68910e00
+	function isOwnerOrAdminSubstrate(uint256 user) external view returns (bool);
 
 	// Returns collection type
 	//
@@ -183,49 +234,22 @@
 	//
 	// Selector: uniqueCollectionType() d34b55b8
 	function uniqueCollectionType() external returns (string memory);
-}
 
-// Selector: 79cc6790
-interface ERC20UniqueExtensions is Dummy, ERC165 {
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 amount) external returns (bool);
-}
+	// Changes collection owner to another account
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner account
+	//
+	// Selector: setOwner(address) 13af4035
+	function setOwner(address newOwner) 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);
-
-	// 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);
+	// Changes collection owner to another substrate account
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner substrate account
+	//
+	// Selector: setOwnerSubstrate(uint256) b212138f
+	function setOwnerSubstrate(uint256 newOwner) external;
 }
 
 interface UniqueFungible is

--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -250,7 +250,84 @@
 	function finishMinting() external returns (bool);
 }
 
-// Selector: 6cf113cd
+// Selector: 780e9d63
+interface ERC721Enumerable is Dummy, ERC165 {
+	// @notice Enumerate valid NFTs
+	// @param index A counter less than `totalSupply()`
+	// @return The token identifier for the `index`th NFT,
+	//  (sort order not specified)
+	//
+	// Selector: tokenByIndex(uint256) 4f6ccce7
+	function tokenByIndex(uint256 index) external view returns (uint256);
+
+	// @dev Not implemented
+	//
+	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
+	function tokenOfOwnerByIndex(address owner, uint256 index)
+		external
+		view
+		returns (uint256);
+
+	// @notice Count NFTs tracked by this contract
+	// @return A count of valid NFTs tracked by this contract, where each one of
+	//  them has an assigned and queryable owner not equal to the zero address
+	//
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() external view returns (uint256);
+}
+
+// Selector: d74d154f
+interface ERC721UniqueExtensions is Dummy, ERC165 {
+	// @notice Transfer ownership of an NFT
+	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
+	//  is the zero address. Throws if `tokenId` is not a valid NFT.
+	// @param to The new owner
+	// @param tokenId The NFT to transfer
+	// @param _value Not used for an NFT
+	//
+	// 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 NFT. Throws if `from` is not the current owner. Throws
+	//  if `to` is the zero address. Throws if `tokenId` is not a valid NFT.
+	// @param from The current owner of the NFT
+	// @param tokenId The NFT to transfer
+	// @param _value Not used for an NFT
+	//
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 tokenId) external;
+
+	// @notice Returns next free NFT 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 NFTs
+	//
+	// 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: ffe4da23
 interface Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -402,8 +479,16 @@
 	// @param user account to verify
 	// @return "true" if account is the owner or admin
 	//
-	// Selector: verifyOwnerOrAdmin(address) c2282493
-	function verifyOwnerOrAdmin(address user) external view returns (bool);
+	// Selector: isOwnerOrAdmin(address) 9811b0c7
+	function isOwnerOrAdmin(address user) external view returns (bool);
+
+	// Check that substrate account is the owner or admin of the collection
+	//
+	// @param user account to verify
+	// @return "true" if account is the owner or admin
+	//
+	// Selector: isOwnerOrAdminSubstrate(uint256) 68910e00
+	function isOwnerOrAdminSubstrate(uint256 user) external view returns (bool);
 
 	// Returns collection type
 	//
@@ -411,83 +496,22 @@
 	//
 	// Selector: uniqueCollectionType() d34b55b8
 	function uniqueCollectionType() external returns (string memory);
-}
 
-// Selector: 780e9d63
-interface ERC721Enumerable is Dummy, ERC165 {
-	// @notice Enumerate valid NFTs
-	// @param index A counter less than `totalSupply()`
-	// @return The token identifier for the `index`th NFT,
-	//  (sort order not specified)
+	// Changes collection owner to another account
 	//
-	// Selector: tokenByIndex(uint256) 4f6ccce7
-	function tokenByIndex(uint256 index) external view returns (uint256);
-
-	// @dev Not implemented
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner account
 	//
-	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
-	function tokenOfOwnerByIndex(address owner, uint256 index)
-		external
-		view
-		returns (uint256);
+	// Selector: setOwner(address) 13af4035
+	function setOwner(address newOwner) external;
 
-	// @notice Count NFTs tracked by this contract
-	// @return A count of valid NFTs tracked by this contract, where each one of
-	//  them has an assigned and queryable owner not equal to the zero address
+	// Changes collection owner to another substrate account
 	//
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() external view returns (uint256);
-}
-
-// Selector: d74d154f
-interface ERC721UniqueExtensions is Dummy, ERC165 {
-	// @notice Transfer ownership of an NFT
-	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
-	//  is the zero address. Throws if `tokenId` is not a valid NFT.
-	// @param to The new owner
-	// @param tokenId The NFT to transfer
-	// @param _value Not used for an NFT
-	//
-	// 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 NFT. Throws if `from` is not the current owner. Throws
-	//  if `to` is the zero address. Throws if `tokenId` is not a valid NFT.
-	// @param from The current owner of the NFT
-	// @param tokenId The NFT to transfer
-	// @param _value Not used for an NFT
-	//
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 tokenId) external;
-
-	// @notice Returns next free NFT ID.
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner substrate account
 	//
-	// 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 NFTs
-	//
-	// 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: setOwnerSubstrate(uint256) b212138f
+	function setOwnerSubstrate(uint256 newOwner) external;
 }
 
 interface UniqueNFT is

--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -248,7 +248,96 @@
 	function finishMinting() external returns (bool);
 }
 
-// Selector: 6cf113cd
+// Selector: 780e9d63
+interface ERC721Enumerable is Dummy, ERC165 {
+	// @notice Enumerate valid RFTs
+	// @param index A counter less than `totalSupply()`
+	// @return The token identifier for the `index`th NFT,
+	//  (sort order not specified)
+	//
+	// Selector: tokenByIndex(uint256) 4f6ccce7
+	function tokenByIndex(uint256 index) external view returns (uint256);
+
+	// Not implemented
+	//
+	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
+	function tokenOfOwnerByIndex(address owner, uint256 index)
+		external
+		view
+		returns (uint256);
+
+	// @notice Count RFTs tracked by this contract
+	// @return A count of valid RFTs tracked by this contract, where each one of
+	//  them has an assigned and queryable owner not equal to the zero address
+	//
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() external view returns (uint256);
+}
+
+// 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: ffe4da23
 interface Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -400,8 +489,16 @@
 	// @param user account to verify
 	// @return "true" if account is the owner or admin
 	//
-	// Selector: verifyOwnerOrAdmin(address) c2282493
-	function verifyOwnerOrAdmin(address user) external view returns (bool);
+	// Selector: isOwnerOrAdmin(address) 9811b0c7
+	function isOwnerOrAdmin(address user) external view returns (bool);
+
+	// Check that substrate account is the owner or admin of the collection
+	//
+	// @param user account to verify
+	// @return "true" if account is the owner or admin
+	//
+	// Selector: isOwnerOrAdminSubstrate(uint256) 68910e00
+	function isOwnerOrAdminSubstrate(uint256 user) external view returns (bool);
 
 	// Returns collection type
 	//
@@ -409,95 +506,22 @@
 	//
 	// Selector: uniqueCollectionType() d34b55b8
 	function uniqueCollectionType() external returns (string memory);
-}
 
-// Selector: 780e9d63
-interface ERC721Enumerable is Dummy, ERC165 {
-	// @notice Enumerate valid RFTs
-	// @param index A counter less than `totalSupply()`
-	// @return The token identifier for the `index`th NFT,
-	//  (sort order not specified)
+	// Changes collection owner to another account
 	//
-	// Selector: tokenByIndex(uint256) 4f6ccce7
-	function tokenByIndex(uint256 index) external view returns (uint256);
-
-	// Not implemented
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner account
 	//
-	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
-	function tokenOfOwnerByIndex(address owner, uint256 index)
-		external
-		view
-		returns (uint256);
+	// Selector: setOwner(address) 13af4035
+	function setOwner(address newOwner) external;
 
-	// @notice Count RFTs tracked by this contract
-	// @return A count of valid RFTs tracked by this contract, where each one of
-	//  them has an assigned and queryable owner not equal to the zero address
+	// Changes collection owner to another substrate account
 	//
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() external view returns (uint256);
-}
-
-// 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
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner substrate account
 	//
-	// 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: setOwnerSubstrate(uint256) b212138f
+	function setOwnerSubstrate(uint256 newOwner) external;
 }
 
 interface UniqueRefungible is

--- a/tests/src/eth/collectionAdmin.test.ts
+++ b/tests/src/eth/collectionAdmin.test.ts
@@ -15,6 +15,7 @@
 
 import {expect} from 'chai';
 import privateKey from '../substrate/privateKey';
+import { UNIQUE } from '../util/helpers';
 import {
   createEthAccount,
   createEthAccountWithBalance, 
@@ -22,6 +23,8 @@
   evmCollectionHelpers, 
   getCollectionAddressFromResult, 
   itWeb3,
+  recordEthFee,
+  subToEth,
 } from './util/helpers';
 
 describe('Add collection admins', () => {
@@ -71,9 +74,9 @@
 
     const newAdmin = createEthAccount(web3);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
-    expect(await collectionEvm.methods.verifyOwnerOrAdmin(newAdmin).call()).to.be.false;
+    expect(await collectionEvm.methods.isOwnerOrAdmin(newAdmin).call()).to.be.false;
     await collectionEvm.methods.addCollectionAdmin(newAdmin).send();
-    expect(await collectionEvm.methods.verifyOwnerOrAdmin(newAdmin).call()).to.be.true;
+    expect(await collectionEvm.methods.isOwnerOrAdmin(newAdmin).call()).to.be.true;
   });
 
   itWeb3('(!negative tests!) Add admin by ADMIN is not allowed', async ({api, web3, privateKeyWrapper}) => {
@@ -309,4 +312,102 @@
     expect(adminList[0].asSubstrate.toString().toLocaleLowerCase())
       .to.be.eq(adminSub.address.toLocaleLowerCase());
   });
+});
+
+describe('Change owner tests', () => {
+  itWeb3('Change owner', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const newOwner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const collectionHelper = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelper.methods
+      .createNonfungibleCollection('A', 'B', 'C')
+      .send();
+    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+  
+    await collectionEvm.methods.setOwner(newOwner).send();
+  
+    expect(await collectionEvm.methods.isOwnerOrAdmin(owner).call()).to.be.false;
+    expect(await collectionEvm.methods.isOwnerOrAdmin(newOwner).call()).to.be.true;
+  });
+
+  itWeb3('change owner call fee', async ({web3, api, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const newOwner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const collectionHelper = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelper.methods
+      .createNonfungibleCollection('A', 'B', 'C')
+      .send();
+    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+
+    const cost = await recordEthFee(api, owner, () => collectionEvm.methods.setOwner(newOwner).send());
+    expect(cost < BigInt(0.2 * Number(UNIQUE)));
+    expect(cost > 0);
+  });
+
+  itWeb3('(!negative tests!) call setOwner by non owner', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const newOwner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const collectionHelper = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelper.methods
+      .createNonfungibleCollection('A', 'B', 'C')
+      .send();
+    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+  
+    await expect(collectionEvm.methods.setOwner(newOwner).send({from: newOwner})).to.be.rejected;
+    expect(await collectionEvm.methods.isOwnerOrAdmin(newOwner).call()).to.be.false;
+  });
+});
+
+describe('Change substrate owner tests', () => {
+  itWeb3('Change owner', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const newOwner = privateKeyWrapper('//Alice');
+    const collectionHelper = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelper.methods
+      .createNonfungibleCollection('A', 'B', 'C')
+      .send();
+    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+  
+    expect(await collectionEvm.methods.isOwnerOrAdmin(owner).call()).to.be.true;
+    expect(await collectionEvm.methods.isOwnerOrAdminSubstrate(newOwner.addressRaw).call()).to.be.false;
+    
+    await collectionEvm.methods.setOwnerSubstrate(newOwner.addressRaw).send();
+  
+    expect(await collectionEvm.methods.isOwnerOrAdmin(owner).call()).to.be.false;
+    expect(await collectionEvm.methods.isOwnerOrAdminSubstrate(newOwner.addressRaw).call()).to.be.true;
+  });
+
+  itWeb3('change owner call fee', async ({web3, api, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const newOwner = privateKeyWrapper('//Alice');
+    const collectionHelper = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelper.methods
+      .createNonfungibleCollection('A', 'B', 'C')
+      .send();
+    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+
+    const cost = await recordEthFee(api, owner, () => collectionEvm.methods.setOwnerSubstrate(newOwner.addressRaw).send());
+    expect(cost < BigInt(0.2 * Number(UNIQUE)));
+    expect(cost > 0);
+  });
+
+  itWeb3('(!negative tests!) call setOwner by non owner', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const otherReceiver = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const newOwner = privateKeyWrapper('//Alice');
+    const collectionHelper = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelper.methods
+      .createNonfungibleCollection('A', 'B', 'C')
+      .send();
+    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+  
+    await expect(collectionEvm.methods.setOwnerSubstrate(newOwner.addressRaw).send({from: otherReceiver})).to.be.rejected;
+    expect(await collectionEvm.methods.isOwnerOrAdminSubstrate(newOwner.addressRaw).call()).to.be.false;
+  });
 });
\ No newline at end of file

--- a/tests/src/eth/fractionalizer/Fractionalizer.sol
+++ b/tests/src/eth/fractionalizer/Fractionalizer.sol
@@ -64,7 +64,7 @@
             "Wrong collection type. Collection is not refungible."
         );
         require(
-            refungibleContract.verifyOwnerOrAdmin(address(this)),
+            refungibleContract.isOwnerOrAdmin(address(this)),
             "Fractionalizer contract should be an admin of the collection"
         );
         rftCollection = _collection;

--- a/tests/src/eth/fungibleAbi.json
+++ b/tests/src/eth/fungibleAbi.json
@@ -151,6 +151,24 @@
     "type": "function"
   },
   {
+    "inputs": [
+      { "internalType": "address", "name": "user", "type": "address" }
+    ],
+    "name": "isOwnerOrAdmin",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "uint256", "name": "user", "type": "uint256" }
+    ],
+    "name": "isOwnerOrAdminSubstrate",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
     "inputs": [],
     "name": "name",
     "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
@@ -260,6 +278,24 @@
   },
   {
     "inputs": [
+      { "internalType": "address", "name": "newOwner", "type": "address" }
+    ],
+    "name": "setOwner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "uint256", "name": "newOwner", "type": "uint256" }
+    ],
+    "name": "setOwnerSubstrate",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" }
     ],
     "name": "supportsInterface",
@@ -307,15 +343,6 @@
     "name": "uniqueCollectionType",
     "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
     "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "address", "name": "user", "type": "address" }
-    ],
-    "name": "verifyOwnerOrAdmin",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
     "type": "function"
   }
 ]

--- a/tests/src/eth/nonFungibleAbi.json
+++ b/tests/src/eth/nonFungibleAbi.json
@@ -211,6 +211,24 @@
   },
   {
     "inputs": [
+      { "internalType": "address", "name": "user", "type": "address" }
+    ],
+    "name": "isOwnerOrAdmin",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "uint256", "name": "user", "type": "uint256" }
+    ],
+    "name": "isOwnerOrAdminSubstrate",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "address", "name": "to", "type": "address" },
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
     ],
@@ -434,6 +452,24 @@
   },
   {
     "inputs": [
+      { "internalType": "address", "name": "newOwner", "type": "address" }
+    ],
+    "name": "setOwner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "uint256", "name": "newOwner", "type": "uint256" }
+    ],
+    "name": "setOwnerSubstrate",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" },
       { "internalType": "string", "name": "key", "type": "string" },
       { "internalType": "bytes", "name": "value", "type": "bytes" }
@@ -532,15 +568,6 @@
     "name": "uniqueCollectionType",
     "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
     "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "address", "name": "user", "type": "address" }
-    ],
-    "name": "verifyOwnerOrAdmin",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
     "type": "function"
   }
 ]

--- a/tests/src/eth/reFungibleAbi.json
+++ b/tests/src/eth/reFungibleAbi.json
@@ -211,6 +211,24 @@
   },
   {
     "inputs": [
+      { "internalType": "address", "name": "user", "type": "address" }
+    ],
+    "name": "isOwnerOrAdmin",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "uint256", "name": "user", "type": "uint256" }
+    ],
+    "name": "isOwnerOrAdminSubstrate",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "address", "name": "to", "type": "address" },
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
     ],
@@ -434,6 +452,24 @@
   },
   {
     "inputs": [
+      { "internalType": "address", "name": "newOwner", "type": "address" }
+    ],
+    "name": "setOwner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "uint256", "name": "newOwner", "type": "uint256" }
+    ],
+    "name": "setOwnerSubstrate",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" },
       { "internalType": "string", "name": "key", "type": "string" },
       { "internalType": "bytes", "name": "value", "type": "bytes" }
@@ -541,15 +577,6 @@
     "name": "uniqueCollectionType",
     "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
     "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "address", "name": "user", "type": "address" }
-    ],
-    "name": "verifyOwnerOrAdmin",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
     "type": "function"
   }
 ]