git.delta.rocks / unique-network / refs/commits / c31f5c85f148

--- 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)]
@@ -408,25 +411,20 @@
 	///
 	/// @param user account to verify
 	/// @return "true" if account is the owner or admin
-	fn verify_owner_or_admin(&self, user: address) -> Result<bool> {
+	#[solidity(rename_selector = "isOwnerOrAdmin")]
+	fn is_owner_or_admin_eth(&self, user: address) -> Result<bool> {
 		let user = T::CrossAccountId::from_eth(user);
-		Ok(self
-			.check_is_owner_or_admin(&user)
-			.map(|_| true)
-			.unwrap_or(false))
+		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
-	#[solidity(rename_selector = "verifyOwnerOrAdmin")]
-	fn verify_owner_or_admin_substrate(&self, user: uint256) -> Result<bool> {
+	#[solidity(rename_selector = "isOwnerOrAdmin")]
+	fn is_owner_or_admin_substrate(&self, user: uint256) -> Result<bool> {
 		let user = convert_substrate_address_to_cross_account_id::<T>(user);
-		Ok(self
-			.check_is_owner_or_admin(&user)
-			.map(|_| true)
-			.unwrap_or(false))
+		Ok(self.is_owner_or_admin(&user))
 	}
 
 	/// Returns collection type
@@ -445,10 +443,10 @@
 	///
 	/// @dev Owner can be changed only by current owner
 	/// @param newOwner new owner account
-	fn change_owner(&mut self, caller: caller, new_owner: address) -> Result<void> {
+	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.change_owner_internal(caller, new_owner)
+		self.set_owner_internal(caller, new_owner)
 			.map_err(dispatch_to_evm::<T>)
 	}
 
@@ -456,23 +454,13 @@
 	///
 	/// @dev Owner can be changed only by current owner
 	/// @param newOwner new owner substrate account
-	#[solidity(rename_selector = "changeOwner")]
-	fn change_owner_substrate(&mut self, caller: caller, new_owner: uint256) -> Result<void> {
+	#[solidity(rename_selector = "setOwner")]
+	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.change_owner_internal(caller, new_owner)
+		self.set_owner_internal(caller, new_owner)
 			.map_err(dispatch_to_evm::<T>)
 	}
-}
-
-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)
 }
 
 fn check_is_owner_or_admin<T: Config>(

--- 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
@@ -304,7 +304,7 @@
 	}
 
 	/// Changes collection owner to another account
-	fn change_owner_internal(
+	fn set_owner_internal(
 		&mut self,
 		caller: T::CrossAccountId,
 		new_owner: T::CrossAccountId,

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--- a/pallets/fungible/src/stubs/UniqueFungible.sol
+++ b/pallets/fungible/src/stubs/UniqueFungible.sol
@@ -31,103 +31,7 @@
 	);
 }
 
-// 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: f077f83e
+// Selector: 2f4a7085
 contract Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -358,8 +262,8 @@
 	// @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;
@@ -371,8 +275,8 @@
 	// @param user account to verify
 	// @return "true" if account is the owner or admin
 	//
-	// Selector: verifyOwnerOrAdmin(uint256) a83328e5
-	function verifyOwnerOrAdmin(uint256 user) public view returns (bool) {
+	// Selector: isOwnerOrAdmin(uint256) 8a6cfe67
+	function isOwnerOrAdmin(uint256 user) public view returns (bool) {
 		require(false, stub_error);
 		user;
 		dummy;
@@ -395,8 +299,8 @@
 	// @dev Owner can be changed only by current owner
 	// @param newOwner new owner account
 	//
-	// Selector: changeOwner(address) a6f9dae1
-	function changeOwner(address newOwner) public {
+	// Selector: setOwner(address) 13af4035
+	function setOwner(address newOwner) public {
 		require(false, stub_error);
 		newOwner;
 		dummy = 0;
@@ -407,14 +311,110 @@
 	// @dev Owner can be changed only by current owner
 	// @param newOwner new owner substrate account
 	//
-	// Selector: changeOwner(uint256) 924c19f7
-	function changeOwner(uint256 newOwner) public {
+	// Selector: setOwner(uint256) 8041494e
+	function setOwner(uint256 newOwner) public {
 		require(false, stub_error);
 		newOwner;
 		dummy = 0;
 	}
 }
 
+// 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;
+	}
+}
+
 contract UniqueFungible is
 	Dummy,
 	ERC165,

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--- a/pallets/nonfungible/src/stubs/UniqueNFT.sol
+++ b/pallets/nonfungible/src/stubs/UniqueNFT.sol
@@ -51,6 +51,294 @@
 	event MintingFinished();
 }
 
+// Selector: 2f4a7085
+contract Collection is Dummy, ERC165 {
+	// Set collection property.
+	//
+	// @param key Property key.
+	// @param value Propery value.
+	//
+	// Selector: setCollectionProperty(string,bytes) 2f073f66
+	function setCollectionProperty(string memory key, bytes memory value)
+		public
+	{
+		require(false, stub_error);
+		key;
+		value;
+		dummy = 0;
+	}
+
+	// Delete collection property.
+	//
+	// @param key Property key.
+	//
+	// Selector: deleteCollectionProperty(string) 7b7debce
+	function deleteCollectionProperty(string memory key) public {
+		require(false, stub_error);
+		key;
+		dummy = 0;
+	}
+
+	// Get collection property.
+	//
+	// @dev Throws error if key not found.
+	//
+	// @param key Property key.
+	// @return bytes The property corresponding to the key.
+	//
+	// Selector: collectionProperty(string) cf24fd6d
+	function collectionProperty(string memory key)
+		public
+		view
+		returns (bytes memory)
+	{
+		require(false, stub_error);
+		key;
+		dummy;
+		return hex"";
+	}
+
+	// Set the sponsor of the collection.
+	//
+	// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
+	//
+	// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.
+	//
+	// Selector: setCollectionSponsor(address) 7623402e
+	function setCollectionSponsor(address sponsor) public {
+		require(false, stub_error);
+		sponsor;
+		dummy = 0;
+	}
+
+	// Collection sponsorship confirmation.
+	//
+	// @dev After setting the sponsor for the collection, it must be confirmed with this function.
+	//
+	// Selector: confirmCollectionSponsorship() 3c50e97a
+	function confirmCollectionSponsorship() public {
+		require(false, stub_error);
+		dummy = 0;
+	}
+
+	// Set limits for the collection.
+	// @dev Throws error if limit not found.
+	// @param limit Name of the limit. Valid names:
+	// 	"accountTokenOwnershipLimit",
+	// 	"sponsoredDataSize",
+	// 	"sponsoredDataRateLimit",
+	// 	"tokenLimit",
+	// 	"sponsorTransferTimeout",
+	// 	"sponsorApproveTimeout"
+	// @param value Value of the limit.
+	//
+	// Selector: setCollectionLimit(string,uint32) 6a3841db
+	function setCollectionLimit(string memory limit, uint32 value) public {
+		require(false, stub_error);
+		limit;
+		value;
+		dummy = 0;
+	}
+
+	// Set limits for the collection.
+	// @dev Throws error if limit not found.
+	// @param limit Name of the limit. Valid names:
+	// 	"ownerCanTransfer",
+	// 	"ownerCanDestroy",
+	// 	"transfersEnabled"
+	// @param value Value of the limit.
+	//
+	// Selector: setCollectionLimit(string,bool) 993b7fba
+	function setCollectionLimit(string memory limit, bool value) public {
+		require(false, stub_error);
+		limit;
+		value;
+		dummy = 0;
+	}
+
+	// Get contract address.
+	//
+	// Selector: contractAddress() f6b4dfb4
+	function contractAddress() public view returns (address) {
+		require(false, stub_error);
+		dummy;
+		return 0x0000000000000000000000000000000000000000;
+	}
+
+	// Add collection admin by substrate address.
+	// @param new_admin Substrate administrator address.
+	//
+	// Selector: addCollectionAdminSubstrate(uint256) 5730062b
+	function addCollectionAdminSubstrate(uint256 newAdmin) public {
+		require(false, stub_error);
+		newAdmin;
+		dummy = 0;
+	}
+
+	// Remove collection admin by substrate address.
+	// @param admin Substrate administrator address.
+	//
+	// Selector: removeCollectionAdminSubstrate(uint256) 4048fcf9
+	function removeCollectionAdminSubstrate(uint256 admin) public {
+		require(false, stub_error);
+		admin;
+		dummy = 0;
+	}
+
+	// Add collection admin.
+	// @param new_admin Address of the added administrator.
+	//
+	// Selector: addCollectionAdmin(address) 92e462c7
+	function addCollectionAdmin(address newAdmin) public {
+		require(false, stub_error);
+		newAdmin;
+		dummy = 0;
+	}
+
+	// Remove collection admin.
+	//
+	// @param new_admin Address of the removed administrator.
+	//
+	// Selector: removeCollectionAdmin(address) fafd7b42
+	function removeCollectionAdmin(address admin) public {
+		require(false, stub_error);
+		admin;
+		dummy = 0;
+	}
+
+	// Toggle accessibility of collection nesting.
+	//
+	// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
+	//
+	// Selector: setCollectionNesting(bool) 112d4586
+	function setCollectionNesting(bool enable) public {
+		require(false, stub_error);
+		enable;
+		dummy = 0;
+	}
+
+	// Toggle accessibility of collection nesting.
+	//
+	// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
+	// @param collections Addresses of collections that will be available for nesting.
+	//
+	// Selector: setCollectionNesting(bool,address[]) 64872396
+	function setCollectionNesting(bool enable, address[] memory collections)
+		public
+	{
+		require(false, stub_error);
+		enable;
+		collections;
+		dummy = 0;
+	}
+
+	// Set the collection access method.
+	// @param mode Access mode
+	// 	0 for Normal
+	// 	1 for AllowList
+	//
+	// Selector: setCollectionAccess(uint8) 41835d4c
+	function setCollectionAccess(uint8 mode) public {
+		require(false, stub_error);
+		mode;
+		dummy = 0;
+	}
+
+	// Add the user to the allowed list.
+	//
+	// @param user Address of a trusted user.
+	//
+	// Selector: addToCollectionAllowList(address) 67844fe6
+	function addToCollectionAllowList(address user) public {
+		require(false, stub_error);
+		user;
+		dummy = 0;
+	}
+
+	// Remove the user from the allowed list.
+	//
+	// @param user Address of a removed user.
+	//
+	// Selector: removeFromCollectionAllowList(address) 85c51acb
+	function removeFromCollectionAllowList(address user) public {
+		require(false, stub_error);
+		user;
+		dummy = 0;
+	}
+
+	// Switch permission for minting.
+	//
+	// @param mode Enable if "true".
+	//
+	// Selector: setCollectionMintMode(bool) 00018e84
+	function setCollectionMintMode(bool mode) public {
+		require(false, stub_error);
+		mode;
+		dummy = 0;
+	}
+
+	// Check that account is the owner or admin of the collection
+	//
+	// @param user account to verify
+	// @return "true" if account is the owner or admin
+	//
+	// 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: isOwnerOrAdmin(uint256) 8a6cfe67
+	function isOwnerOrAdmin(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 "";
+	}
+
+	// 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);
+		newOwner;
+		dummy = 0;
+	}
+
+	// Changes collection owner to another substrate account
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner substrate account
+	//
+	// Selector: setOwner(uint256) 8041494e
+	function setOwner(uint256 newOwner) public {
+		require(false, stub_error);
+		newOwner;
+		dummy = 0;
+	}
+}
+
 // Selector: 41369377
 contract TokenProperties is Dummy, ERC165 {
 	// @notice Set permissions for token property.
@@ -491,294 +779,6 @@
 		tokens;
 		dummy = 0;
 		return false;
-	}
-}
-
-// Selector: f077f83e
-contract Collection is Dummy, ERC165 {
-	// Set collection property.
-	//
-	// @param key Property key.
-	// @param value Propery value.
-	//
-	// Selector: setCollectionProperty(string,bytes) 2f073f66
-	function setCollectionProperty(string memory key, bytes memory value)
-		public
-	{
-		require(false, stub_error);
-		key;
-		value;
-		dummy = 0;
-	}
-
-	// Delete collection property.
-	//
-	// @param key Property key.
-	//
-	// Selector: deleteCollectionProperty(string) 7b7debce
-	function deleteCollectionProperty(string memory key) public {
-		require(false, stub_error);
-		key;
-		dummy = 0;
-	}
-
-	// Get collection property.
-	//
-	// @dev Throws error if key not found.
-	//
-	// @param key Property key.
-	// @return bytes The property corresponding to the key.
-	//
-	// Selector: collectionProperty(string) cf24fd6d
-	function collectionProperty(string memory key)
-		public
-		view
-		returns (bytes memory)
-	{
-		require(false, stub_error);
-		key;
-		dummy;
-		return hex"";
-	}
-
-	// Set the sponsor of the collection.
-	//
-	// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
-	//
-	// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.
-	//
-	// Selector: setCollectionSponsor(address) 7623402e
-	function setCollectionSponsor(address sponsor) public {
-		require(false, stub_error);
-		sponsor;
-		dummy = 0;
-	}
-
-	// Collection sponsorship confirmation.
-	//
-	// @dev After setting the sponsor for the collection, it must be confirmed with this function.
-	//
-	// Selector: confirmCollectionSponsorship() 3c50e97a
-	function confirmCollectionSponsorship() public {
-		require(false, stub_error);
-		dummy = 0;
-	}
-
-	// Set limits for the collection.
-	// @dev Throws error if limit not found.
-	// @param limit Name of the limit. Valid names:
-	// 	"accountTokenOwnershipLimit",
-	// 	"sponsoredDataSize",
-	// 	"sponsoredDataRateLimit",
-	// 	"tokenLimit",
-	// 	"sponsorTransferTimeout",
-	// 	"sponsorApproveTimeout"
-	// @param value Value of the limit.
-	//
-	// Selector: setCollectionLimit(string,uint32) 6a3841db
-	function setCollectionLimit(string memory limit, uint32 value) public {
-		require(false, stub_error);
-		limit;
-		value;
-		dummy = 0;
-	}
-
-	// Set limits for the collection.
-	// @dev Throws error if limit not found.
-	// @param limit Name of the limit. Valid names:
-	// 	"ownerCanTransfer",
-	// 	"ownerCanDestroy",
-	// 	"transfersEnabled"
-	// @param value Value of the limit.
-	//
-	// Selector: setCollectionLimit(string,bool) 993b7fba
-	function setCollectionLimit(string memory limit, bool value) public {
-		require(false, stub_error);
-		limit;
-		value;
-		dummy = 0;
-	}
-
-	// Get contract address.
-	//
-	// Selector: contractAddress() f6b4dfb4
-	function contractAddress() public view returns (address) {
-		require(false, stub_error);
-		dummy;
-		return 0x0000000000000000000000000000000000000000;
-	}
-
-	// Add collection admin by substrate address.
-	// @param new_admin Substrate administrator address.
-	//
-	// Selector: addCollectionAdminSubstrate(uint256) 5730062b
-	function addCollectionAdminSubstrate(uint256 newAdmin) public {
-		require(false, stub_error);
-		newAdmin;
-		dummy = 0;
-	}
-
-	// Remove collection admin by substrate address.
-	// @param admin Substrate administrator address.
-	//
-	// Selector: removeCollectionAdminSubstrate(uint256) 4048fcf9
-	function removeCollectionAdminSubstrate(uint256 admin) public {
-		require(false, stub_error);
-		admin;
-		dummy = 0;
-	}
-
-	// Add collection admin.
-	// @param new_admin Address of the added administrator.
-	//
-	// Selector: addCollectionAdmin(address) 92e462c7
-	function addCollectionAdmin(address newAdmin) public {
-		require(false, stub_error);
-		newAdmin;
-		dummy = 0;
-	}
-
-	// Remove collection admin.
-	//
-	// @param new_admin Address of the removed administrator.
-	//
-	// Selector: removeCollectionAdmin(address) fafd7b42
-	function removeCollectionAdmin(address admin) public {
-		require(false, stub_error);
-		admin;
-		dummy = 0;
-	}
-
-	// Toggle accessibility of collection nesting.
-	//
-	// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	//
-	// Selector: setCollectionNesting(bool) 112d4586
-	function setCollectionNesting(bool enable) public {
-		require(false, stub_error);
-		enable;
-		dummy = 0;
-	}
-
-	// Toggle accessibility of collection nesting.
-	//
-	// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
-	// @param collections Addresses of collections that will be available for nesting.
-	//
-	// Selector: setCollectionNesting(bool,address[]) 64872396
-	function setCollectionNesting(bool enable, address[] memory collections)
-		public
-	{
-		require(false, stub_error);
-		enable;
-		collections;
-		dummy = 0;
-	}
-
-	// Set the collection access method.
-	// @param mode Access mode
-	// 	0 for Normal
-	// 	1 for AllowList
-	//
-	// Selector: setCollectionAccess(uint8) 41835d4c
-	function setCollectionAccess(uint8 mode) public {
-		require(false, stub_error);
-		mode;
-		dummy = 0;
-	}
-
-	// Add the user to the allowed list.
-	//
-	// @param user Address of a trusted user.
-	//
-	// Selector: addToCollectionAllowList(address) 67844fe6
-	function addToCollectionAllowList(address user) public {
-		require(false, stub_error);
-		user;
-		dummy = 0;
-	}
-
-	// Remove the user from the allowed list.
-	//
-	// @param user Address of a removed user.
-	//
-	// Selector: removeFromCollectionAllowList(address) 85c51acb
-	function removeFromCollectionAllowList(address user) public {
-		require(false, stub_error);
-		user;
-		dummy = 0;
-	}
-
-	// Switch permission for minting.
-	//
-	// @param mode Enable if "true".
-	//
-	// Selector: setCollectionMintMode(bool) 00018e84
-	function setCollectionMintMode(bool mode) public {
-		require(false, stub_error);
-		mode;
-		dummy = 0;
-	}
-
-	// Check that account is the owner or admin of the collection
-	//
-	// @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) {
-		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: verifyOwnerOrAdmin(uint256) a83328e5
-	function verifyOwnerOrAdmin(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 "";
-	}
-
-	// Changes collection owner to another account
-	//
-	// @dev Owner can be changed only by current owner
-	// @param newOwner new owner account
-	//
-	// Selector: changeOwner(address) a6f9dae1
-	function changeOwner(address newOwner) public {
-		require(false, stub_error);
-		newOwner;
-		dummy = 0;
-	}
-
-	// Changes collection owner to another substrate account
-	//
-	// @dev Owner can be changed only by current owner
-	// @param newOwner new owner substrate account
-	//
-	// Selector: changeOwner(uint256) 924c19f7
-	function changeOwner(uint256 newOwner) public {
-		require(false, stub_error);
-		newOwner;
-		dummy = 0;
 	}
 }
 

binary blob — no preview

--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -51,6 +51,294 @@
 	event MintingFinished();
 }
 
+// Selector: 2f4a7085
+contract Collection is Dummy, ERC165 {
+	// Set collection property.
+	//
+	// @param key Property key.
+	// @param value Propery value.
+	//
+	// Selector: setCollectionProperty(string,bytes) 2f073f66
+	function setCollectionProperty(string memory key, bytes memory value)
+		public
+	{
+		require(false, stub_error);
+		key;
+		value;
+		dummy = 0;
+	}
+
+	// Delete collection property.
+	//
+	// @param key Property key.
+	//
+	// Selector: deleteCollectionProperty(string) 7b7debce
+	function deleteCollectionProperty(string memory key) public {
+		require(false, stub_error);
+		key;
+		dummy = 0;
+	}
+
+	// Get collection property.
+	//
+	// @dev Throws error if key not found.
+	//
+	// @param key Property key.
+	// @return bytes The property corresponding to the key.
+	//
+	// Selector: collectionProperty(string) cf24fd6d
+	function collectionProperty(string memory key)
+		public
+		view
+		returns (bytes memory)
+	{
+		require(false, stub_error);
+		key;
+		dummy;
+		return hex"";
+	}
+
+	// Set the sponsor of the collection.
+	//
+	// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
+	//
+	// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.
+	//
+	// Selector: setCollectionSponsor(address) 7623402e
+	function setCollectionSponsor(address sponsor) public {
+		require(false, stub_error);
+		sponsor;
+		dummy = 0;
+	}
+
+	// Collection sponsorship confirmation.
+	//
+	// @dev After setting the sponsor for the collection, it must be confirmed with this function.
+	//
+	// Selector: confirmCollectionSponsorship() 3c50e97a
+	function confirmCollectionSponsorship() public {
+		require(false, stub_error);
+		dummy = 0;
+	}
+
+	// Set limits for the collection.
+	// @dev Throws error if limit not found.
+	// @param limit Name of the limit. Valid names:
+	// 	"accountTokenOwnershipLimit",
+	// 	"sponsoredDataSize",
+	// 	"sponsoredDataRateLimit",
+	// 	"tokenLimit",
+	// 	"sponsorTransferTimeout",
+	// 	"sponsorApproveTimeout"
+	// @param value Value of the limit.
+	//
+	// Selector: setCollectionLimit(string,uint32) 6a3841db
+	function setCollectionLimit(string memory limit, uint32 value) public {
+		require(false, stub_error);
+		limit;
+		value;
+		dummy = 0;
+	}
+
+	// Set limits for the collection.
+	// @dev Throws error if limit not found.
+	// @param limit Name of the limit. Valid names:
+	// 	"ownerCanTransfer",
+	// 	"ownerCanDestroy",
+	// 	"transfersEnabled"
+	// @param value Value of the limit.
+	//
+	// Selector: setCollectionLimit(string,bool) 993b7fba
+	function setCollectionLimit(string memory limit, bool value) public {
+		require(false, stub_error);
+		limit;
+		value;
+		dummy = 0;
+	}
+
+	// Get contract address.
+	//
+	// Selector: contractAddress() f6b4dfb4
+	function contractAddress() public view returns (address) {
+		require(false, stub_error);
+		dummy;
+		return 0x0000000000000000000000000000000000000000;
+	}
+
+	// Add collection admin by substrate address.
+	// @param new_admin Substrate administrator address.
+	//
+	// Selector: addCollectionAdminSubstrate(uint256) 5730062b
+	function addCollectionAdminSubstrate(uint256 newAdmin) public {
+		require(false, stub_error);
+		newAdmin;
+		dummy = 0;
+	}
+
+	// Remove collection admin by substrate address.
+	// @param admin Substrate administrator address.
+	//
+	// Selector: removeCollectionAdminSubstrate(uint256) 4048fcf9
+	function removeCollectionAdminSubstrate(uint256 admin) public {
+		require(false, stub_error);
+		admin;
+		dummy = 0;
+	}
+
+	// Add collection admin.
+	// @param new_admin Address of the added administrator.
+	//
+	// Selector: addCollectionAdmin(address) 92e462c7
+	function addCollectionAdmin(address newAdmin) public {
+		require(false, stub_error);
+		newAdmin;
+		dummy = 0;
+	}
+
+	// Remove collection admin.
+	//
+	// @param new_admin Address of the removed administrator.
+	//
+	// Selector: removeCollectionAdmin(address) fafd7b42
+	function removeCollectionAdmin(address admin) public {
+		require(false, stub_error);
+		admin;
+		dummy = 0;
+	}
+
+	// Toggle accessibility of collection nesting.
+	//
+	// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
+	//
+	// Selector: setCollectionNesting(bool) 112d4586
+	function setCollectionNesting(bool enable) public {
+		require(false, stub_error);
+		enable;
+		dummy = 0;
+	}
+
+	// Toggle accessibility of collection nesting.
+	//
+	// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
+	// @param collections Addresses of collections that will be available for nesting.
+	//
+	// Selector: setCollectionNesting(bool,address[]) 64872396
+	function setCollectionNesting(bool enable, address[] memory collections)
+		public
+	{
+		require(false, stub_error);
+		enable;
+		collections;
+		dummy = 0;
+	}
+
+	// Set the collection access method.
+	// @param mode Access mode
+	// 	0 for Normal
+	// 	1 for AllowList
+	//
+	// Selector: setCollectionAccess(uint8) 41835d4c
+	function setCollectionAccess(uint8 mode) public {
+		require(false, stub_error);
+		mode;
+		dummy = 0;
+	}
+
+	// Add the user to the allowed list.
+	//
+	// @param user Address of a trusted user.
+	//
+	// Selector: addToCollectionAllowList(address) 67844fe6
+	function addToCollectionAllowList(address user) public {
+		require(false, stub_error);
+		user;
+		dummy = 0;
+	}
+
+	// Remove the user from the allowed list.
+	//
+	// @param user Address of a removed user.
+	//
+	// Selector: removeFromCollectionAllowList(address) 85c51acb
+	function removeFromCollectionAllowList(address user) public {
+		require(false, stub_error);
+		user;
+		dummy = 0;
+	}
+
+	// Switch permission for minting.
+	//
+	// @param mode Enable if "true".
+	//
+	// Selector: setCollectionMintMode(bool) 00018e84
+	function setCollectionMintMode(bool mode) public {
+		require(false, stub_error);
+		mode;
+		dummy = 0;
+	}
+
+	// Check that account is the owner or admin of the collection
+	//
+	// @param user account to verify
+	// @return "true" if account is the owner or admin
+	//
+	// 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: isOwnerOrAdmin(uint256) 8a6cfe67
+	function isOwnerOrAdmin(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 "";
+	}
+
+	// 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);
+		newOwner;
+		dummy = 0;
+	}
+
+	// Changes collection owner to another substrate account
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner substrate account
+	//
+	// Selector: setOwner(uint256) 8041494e
+	function setOwner(uint256 newOwner) public {
+		require(false, stub_error);
+		newOwner;
+		dummy = 0;
+	}
+}
+
 // Selector: 41369377
 contract TokenProperties is Dummy, ERC165 {
 	// @notice Set permissions for token property.
@@ -503,294 +791,6 @@
 		token;
 		dummy;
 		return 0x0000000000000000000000000000000000000000;
-	}
-}
-
-// Selector: f077f83e
-contract Collection is Dummy, ERC165 {
-	// Set collection property.
-	//
-	// @param key Property key.
-	// @param value Propery value.
-	//
-	// Selector: setCollectionProperty(string,bytes) 2f073f66
-	function setCollectionProperty(string memory key, bytes memory value)
-		public
-	{
-		require(false, stub_error);
-		key;
-		value;
-		dummy = 0;
-	}
-
-	// Delete collection property.
-	//
-	// @param key Property key.
-	//
-	// Selector: deleteCollectionProperty(string) 7b7debce
-	function deleteCollectionProperty(string memory key) public {
-		require(false, stub_error);
-		key;
-		dummy = 0;
-	}
-
-	// Get collection property.
-	//
-	// @dev Throws error if key not found.
-	//
-	// @param key Property key.
-	// @return bytes The property corresponding to the key.
-	//
-	// Selector: collectionProperty(string) cf24fd6d
-	function collectionProperty(string memory key)
-		public
-		view
-		returns (bytes memory)
-	{
-		require(false, stub_error);
-		key;
-		dummy;
-		return hex"";
-	}
-
-	// Set the sponsor of the collection.
-	//
-	// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
-	//
-	// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.
-	//
-	// Selector: setCollectionSponsor(address) 7623402e
-	function setCollectionSponsor(address sponsor) public {
-		require(false, stub_error);
-		sponsor;
-		dummy = 0;
-	}
-
-	// Collection sponsorship confirmation.
-	//
-	// @dev After setting the sponsor for the collection, it must be confirmed with this function.
-	//
-	// Selector: confirmCollectionSponsorship() 3c50e97a
-	function confirmCollectionSponsorship() public {
-		require(false, stub_error);
-		dummy = 0;
-	}
-
-	// Set limits for the collection.
-	// @dev Throws error if limit not found.
-	// @param limit Name of the limit. Valid names:
-	// 	"accountTokenOwnershipLimit",
-	// 	"sponsoredDataSize",
-	// 	"sponsoredDataRateLimit",
-	// 	"tokenLimit",
-	// 	"sponsorTransferTimeout",
-	// 	"sponsorApproveTimeout"
-	// @param value Value of the limit.
-	//
-	// Selector: setCollectionLimit(string,uint32) 6a3841db
-	function setCollectionLimit(string memory limit, uint32 value) public {
-		require(false, stub_error);
-		limit;
-		value;
-		dummy = 0;
-	}
-
-	// Set limits for the collection.
-	// @dev Throws error if limit not found.
-	// @param limit Name of the limit. Valid names:
-	// 	"ownerCanTransfer",
-	// 	"ownerCanDestroy",
-	// 	"transfersEnabled"
-	// @param value Value of the limit.
-	//
-	// Selector: setCollectionLimit(string,bool) 993b7fba
-	function setCollectionLimit(string memory limit, bool value) public {
-		require(false, stub_error);
-		limit;
-		value;
-		dummy = 0;
-	}
-
-	// Get contract address.
-	//
-	// Selector: contractAddress() f6b4dfb4
-	function contractAddress() public view returns (address) {
-		require(false, stub_error);
-		dummy;
-		return 0x0000000000000000000000000000000000000000;
-	}
-
-	// Add collection admin by substrate address.
-	// @param new_admin Substrate administrator address.
-	//
-	// Selector: addCollectionAdminSubstrate(uint256) 5730062b
-	function addCollectionAdminSubstrate(uint256 newAdmin) public {
-		require(false, stub_error);
-		newAdmin;
-		dummy = 0;
-	}
-
-	// Remove collection admin by substrate address.
-	// @param admin Substrate administrator address.
-	//
-	// Selector: removeCollectionAdminSubstrate(uint256) 4048fcf9
-	function removeCollectionAdminSubstrate(uint256 admin) public {
-		require(false, stub_error);
-		admin;
-		dummy = 0;
-	}
-
-	// Add collection admin.
-	// @param new_admin Address of the added administrator.
-	//
-	// Selector: addCollectionAdmin(address) 92e462c7
-	function addCollectionAdmin(address newAdmin) public {
-		require(false, stub_error);
-		newAdmin;
-		dummy = 0;
-	}
-
-	// Remove collection admin.
-	//
-	// @param new_admin Address of the removed administrator.
-	//
-	// Selector: removeCollectionAdmin(address) fafd7b42
-	function removeCollectionAdmin(address admin) public {
-		require(false, stub_error);
-		admin;
-		dummy = 0;
-	}
-
-	// Toggle accessibility of collection nesting.
-	//
-	// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	//
-	// Selector: setCollectionNesting(bool) 112d4586
-	function setCollectionNesting(bool enable) public {
-		require(false, stub_error);
-		enable;
-		dummy = 0;
-	}
-
-	// Toggle accessibility of collection nesting.
-	//
-	// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
-	// @param collections Addresses of collections that will be available for nesting.
-	//
-	// Selector: setCollectionNesting(bool,address[]) 64872396
-	function setCollectionNesting(bool enable, address[] memory collections)
-		public
-	{
-		require(false, stub_error);
-		enable;
-		collections;
-		dummy = 0;
-	}
-
-	// Set the collection access method.
-	// @param mode Access mode
-	// 	0 for Normal
-	// 	1 for AllowList
-	//
-	// Selector: setCollectionAccess(uint8) 41835d4c
-	function setCollectionAccess(uint8 mode) public {
-		require(false, stub_error);
-		mode;
-		dummy = 0;
-	}
-
-	// Add the user to the allowed list.
-	//
-	// @param user Address of a trusted user.
-	//
-	// Selector: addToCollectionAllowList(address) 67844fe6
-	function addToCollectionAllowList(address user) public {
-		require(false, stub_error);
-		user;
-		dummy = 0;
-	}
-
-	// Remove the user from the allowed list.
-	//
-	// @param user Address of a removed user.
-	//
-	// Selector: removeFromCollectionAllowList(address) 85c51acb
-	function removeFromCollectionAllowList(address user) public {
-		require(false, stub_error);
-		user;
-		dummy = 0;
-	}
-
-	// Switch permission for minting.
-	//
-	// @param mode Enable if "true".
-	//
-	// Selector: setCollectionMintMode(bool) 00018e84
-	function setCollectionMintMode(bool mode) public {
-		require(false, stub_error);
-		mode;
-		dummy = 0;
-	}
-
-	// Check that account is the owner or admin of the collection
-	//
-	// @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) {
-		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: verifyOwnerOrAdmin(uint256) a83328e5
-	function verifyOwnerOrAdmin(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 "";
-	}
-
-	// Changes collection owner to another account
-	//
-	// @dev Owner can be changed only by current owner
-	// @param newOwner new owner account
-	//
-	// Selector: changeOwner(address) a6f9dae1
-	function changeOwner(address newOwner) public {
-		require(false, stub_error);
-		newOwner;
-		dummy = 0;
-	}
-
-	// Changes collection owner to another substrate account
-	//
-	// @dev Owner can be changed only by current owner
-	// @param newOwner new owner substrate account
-	//
-	// Selector: changeOwner(uint256) 924c19f7
-	function changeOwner(uint256 newOwner) public {
-		require(false, stub_error);
-		newOwner;
-		dummy = 0;
 	}
 }
 

--- a/tests/src/eth/api/UniqueFungible.sol
+++ b/tests/src/eth/api/UniqueFungible.sol
@@ -22,50 +22,7 @@
 	);
 }
 
-// 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: f077f83e
+// Selector: 2f4a7085
 interface Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -217,16 +174,16 @@
 	// @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: verifyOwnerOrAdmin(uint256) a83328e5
-	function verifyOwnerOrAdmin(uint256 user) external view returns (bool);
+	// Selector: isOwnerOrAdmin(uint256) 8a6cfe67
+	function isOwnerOrAdmin(uint256 user) external view returns (bool);
 
 	// Returns collection type
 	//
@@ -240,16 +197,59 @@
 	// @dev Owner can be changed only by current owner
 	// @param newOwner new owner account
 	//
-	// Selector: changeOwner(address) a6f9dae1
-	function changeOwner(address newOwner) external;
+	// Selector: setOwner(address) 13af4035
+	function setOwner(address newOwner) external;
 
 	// Changes collection owner to another substrate account
 	//
 	// @dev Owner can be changed only by current owner
 	// @param newOwner new owner substrate account
 	//
-	// Selector: changeOwner(uint256) 924c19f7
-	function changeOwner(uint256 newOwner) external;
+	// Selector: setOwner(uint256) 8041494e
+	function setOwner(uint256 newOwner) external;
+}
+
+// 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);
 }
 
 interface UniqueFungible is

--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -42,6 +42,193 @@
 	event MintingFinished();
 }
 
+// Selector: 2f4a7085
+interface Collection is Dummy, ERC165 {
+	// Set collection property.
+	//
+	// @param key Property key.
+	// @param value Propery value.
+	//
+	// Selector: setCollectionProperty(string,bytes) 2f073f66
+	function setCollectionProperty(string memory key, bytes memory value)
+		external;
+
+	// Delete collection property.
+	//
+	// @param key Property key.
+	//
+	// Selector: deleteCollectionProperty(string) 7b7debce
+	function deleteCollectionProperty(string memory key) external;
+
+	// Get collection property.
+	//
+	// @dev Throws error if key not found.
+	//
+	// @param key Property key.
+	// @return bytes The property corresponding to the key.
+	//
+	// Selector: collectionProperty(string) cf24fd6d
+	function collectionProperty(string memory key)
+		external
+		view
+		returns (bytes memory);
+
+	// Set the sponsor of the collection.
+	//
+	// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
+	//
+	// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.
+	//
+	// Selector: setCollectionSponsor(address) 7623402e
+	function setCollectionSponsor(address sponsor) external;
+
+	// Collection sponsorship confirmation.
+	//
+	// @dev After setting the sponsor for the collection, it must be confirmed with this function.
+	//
+	// Selector: confirmCollectionSponsorship() 3c50e97a
+	function confirmCollectionSponsorship() external;
+
+	// Set limits for the collection.
+	// @dev Throws error if limit not found.
+	// @param limit Name of the limit. Valid names:
+	// 	"accountTokenOwnershipLimit",
+	// 	"sponsoredDataSize",
+	// 	"sponsoredDataRateLimit",
+	// 	"tokenLimit",
+	// 	"sponsorTransferTimeout",
+	// 	"sponsorApproveTimeout"
+	// @param value Value of the limit.
+	//
+	// Selector: setCollectionLimit(string,uint32) 6a3841db
+	function setCollectionLimit(string memory limit, uint32 value) external;
+
+	// Set limits for the collection.
+	// @dev Throws error if limit not found.
+	// @param limit Name of the limit. Valid names:
+	// 	"ownerCanTransfer",
+	// 	"ownerCanDestroy",
+	// 	"transfersEnabled"
+	// @param value Value of the limit.
+	//
+	// Selector: setCollectionLimit(string,bool) 993b7fba
+	function setCollectionLimit(string memory limit, bool value) external;
+
+	// Get contract address.
+	//
+	// Selector: contractAddress() f6b4dfb4
+	function contractAddress() external view returns (address);
+
+	// Add collection admin by substrate address.
+	// @param new_admin Substrate administrator address.
+	//
+	// Selector: addCollectionAdminSubstrate(uint256) 5730062b
+	function addCollectionAdminSubstrate(uint256 newAdmin) external;
+
+	// Remove collection admin by substrate address.
+	// @param admin Substrate administrator address.
+	//
+	// Selector: removeCollectionAdminSubstrate(uint256) 4048fcf9
+	function removeCollectionAdminSubstrate(uint256 admin) external;
+
+	// Add collection admin.
+	// @param new_admin Address of the added administrator.
+	//
+	// Selector: addCollectionAdmin(address) 92e462c7
+	function addCollectionAdmin(address newAdmin) external;
+
+	// Remove collection admin.
+	//
+	// @param new_admin Address of the removed administrator.
+	//
+	// Selector: removeCollectionAdmin(address) fafd7b42
+	function removeCollectionAdmin(address admin) external;
+
+	// Toggle accessibility of collection nesting.
+	//
+	// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
+	//
+	// Selector: setCollectionNesting(bool) 112d4586
+	function setCollectionNesting(bool enable) external;
+
+	// Toggle accessibility of collection nesting.
+	//
+	// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
+	// @param collections Addresses of collections that will be available for nesting.
+	//
+	// Selector: setCollectionNesting(bool,address[]) 64872396
+	function setCollectionNesting(bool enable, address[] memory collections)
+		external;
+
+	// Set the collection access method.
+	// @param mode Access mode
+	// 	0 for Normal
+	// 	1 for AllowList
+	//
+	// Selector: setCollectionAccess(uint8) 41835d4c
+	function setCollectionAccess(uint8 mode) external;
+
+	// Add the user to the allowed list.
+	//
+	// @param user Address of a trusted user.
+	//
+	// Selector: addToCollectionAllowList(address) 67844fe6
+	function addToCollectionAllowList(address user) external;
+
+	// Remove the user from the allowed list.
+	//
+	// @param user Address of a removed user.
+	//
+	// Selector: removeFromCollectionAllowList(address) 85c51acb
+	function removeFromCollectionAllowList(address user) external;
+
+	// Switch permission for minting.
+	//
+	// @param mode Enable if "true".
+	//
+	// Selector: setCollectionMintMode(bool) 00018e84
+	function setCollectionMintMode(bool mode) external;
+
+	// Check that account is the owner or admin of the collection
+	//
+	// @param user account to verify
+	// @return "true" if account is the owner or admin
+	//
+	// 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: isOwnerOrAdmin(uint256) 8a6cfe67
+	function isOwnerOrAdmin(uint256 user) external view returns (bool);
+
+	// Returns collection type
+	//
+	// @return `Fungible` or `NFT` or `ReFungible`
+	//
+	// Selector: uniqueCollectionType() d34b55b8
+	function uniqueCollectionType() external returns (string memory);
+
+	// 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;
+
+	// Changes collection owner to another substrate account
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner substrate account
+	//
+	// Selector: setOwner(uint256) 8041494e
+	function setOwner(uint256 newOwner) external;
+}
+
 // Selector: 41369377
 interface TokenProperties is Dummy, ERC165 {
 	// @notice Set permissions for token property.
@@ -325,193 +512,6 @@
 	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
 		external
 		returns (bool);
-}
-
-// Selector: f077f83e
-interface Collection is Dummy, ERC165 {
-	// Set collection property.
-	//
-	// @param key Property key.
-	// @param value Propery value.
-	//
-	// Selector: setCollectionProperty(string,bytes) 2f073f66
-	function setCollectionProperty(string memory key, bytes memory value)
-		external;
-
-	// Delete collection property.
-	//
-	// @param key Property key.
-	//
-	// Selector: deleteCollectionProperty(string) 7b7debce
-	function deleteCollectionProperty(string memory key) external;
-
-	// Get collection property.
-	//
-	// @dev Throws error if key not found.
-	//
-	// @param key Property key.
-	// @return bytes The property corresponding to the key.
-	//
-	// Selector: collectionProperty(string) cf24fd6d
-	function collectionProperty(string memory key)
-		external
-		view
-		returns (bytes memory);
-
-	// Set the sponsor of the collection.
-	//
-	// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
-	//
-	// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.
-	//
-	// Selector: setCollectionSponsor(address) 7623402e
-	function setCollectionSponsor(address sponsor) external;
-
-	// Collection sponsorship confirmation.
-	//
-	// @dev After setting the sponsor for the collection, it must be confirmed with this function.
-	//
-	// Selector: confirmCollectionSponsorship() 3c50e97a
-	function confirmCollectionSponsorship() external;
-
-	// Set limits for the collection.
-	// @dev Throws error if limit not found.
-	// @param limit Name of the limit. Valid names:
-	// 	"accountTokenOwnershipLimit",
-	// 	"sponsoredDataSize",
-	// 	"sponsoredDataRateLimit",
-	// 	"tokenLimit",
-	// 	"sponsorTransferTimeout",
-	// 	"sponsorApproveTimeout"
-	// @param value Value of the limit.
-	//
-	// Selector: setCollectionLimit(string,uint32) 6a3841db
-	function setCollectionLimit(string memory limit, uint32 value) external;
-
-	// Set limits for the collection.
-	// @dev Throws error if limit not found.
-	// @param limit Name of the limit. Valid names:
-	// 	"ownerCanTransfer",
-	// 	"ownerCanDestroy",
-	// 	"transfersEnabled"
-	// @param value Value of the limit.
-	//
-	// Selector: setCollectionLimit(string,bool) 993b7fba
-	function setCollectionLimit(string memory limit, bool value) external;
-
-	// Get contract address.
-	//
-	// Selector: contractAddress() f6b4dfb4
-	function contractAddress() external view returns (address);
-
-	// Add collection admin by substrate address.
-	// @param new_admin Substrate administrator address.
-	//
-	// Selector: addCollectionAdminSubstrate(uint256) 5730062b
-	function addCollectionAdminSubstrate(uint256 newAdmin) external;
-
-	// Remove collection admin by substrate address.
-	// @param admin Substrate administrator address.
-	//
-	// Selector: removeCollectionAdminSubstrate(uint256) 4048fcf9
-	function removeCollectionAdminSubstrate(uint256 admin) external;
-
-	// Add collection admin.
-	// @param new_admin Address of the added administrator.
-	//
-	// Selector: addCollectionAdmin(address) 92e462c7
-	function addCollectionAdmin(address newAdmin) external;
-
-	// Remove collection admin.
-	//
-	// @param new_admin Address of the removed administrator.
-	//
-	// Selector: removeCollectionAdmin(address) fafd7b42
-	function removeCollectionAdmin(address admin) external;
-
-	// Toggle accessibility of collection nesting.
-	//
-	// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	//
-	// Selector: setCollectionNesting(bool) 112d4586
-	function setCollectionNesting(bool enable) external;
-
-	// Toggle accessibility of collection nesting.
-	//
-	// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
-	// @param collections Addresses of collections that will be available for nesting.
-	//
-	// Selector: setCollectionNesting(bool,address[]) 64872396
-	function setCollectionNesting(bool enable, address[] memory collections)
-		external;
-
-	// Set the collection access method.
-	// @param mode Access mode
-	// 	0 for Normal
-	// 	1 for AllowList
-	//
-	// Selector: setCollectionAccess(uint8) 41835d4c
-	function setCollectionAccess(uint8 mode) external;
-
-	// Add the user to the allowed list.
-	//
-	// @param user Address of a trusted user.
-	//
-	// Selector: addToCollectionAllowList(address) 67844fe6
-	function addToCollectionAllowList(address user) external;
-
-	// Remove the user from the allowed list.
-	//
-	// @param user Address of a removed user.
-	//
-	// Selector: removeFromCollectionAllowList(address) 85c51acb
-	function removeFromCollectionAllowList(address user) external;
-
-	// Switch permission for minting.
-	//
-	// @param mode Enable if "true".
-	//
-	// Selector: setCollectionMintMode(bool) 00018e84
-	function setCollectionMintMode(bool mode) external;
-
-	// Check that account is the owner or admin of the collection
-	//
-	// @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);
-
-	// 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: verifyOwnerOrAdmin(uint256) a83328e5
-	function verifyOwnerOrAdmin(uint256 user) external view returns (bool);
-
-	// Returns collection type
-	//
-	// @return `Fungible` or `NFT` or `ReFungible`
-	//
-	// Selector: uniqueCollectionType() d34b55b8
-	function uniqueCollectionType() external returns (string memory);
-
-	// Changes collection owner to another account
-	//
-	// @dev Owner can be changed only by current owner
-	// @param newOwner new owner account
-	//
-	// Selector: changeOwner(address) a6f9dae1
-	function changeOwner(address newOwner) external;
-
-	// Changes collection owner to another substrate account
-	//
-	// @dev Owner can be changed only by current owner
-	// @param newOwner new owner substrate account
-	//
-	// Selector: changeOwner(uint256) 924c19f7
-	function changeOwner(uint256 newOwner) external;
 }
 
 interface UniqueNFT is

--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -42,6 +42,193 @@
 	event MintingFinished();
 }
 
+// Selector: 2f4a7085
+interface Collection is Dummy, ERC165 {
+	// Set collection property.
+	//
+	// @param key Property key.
+	// @param value Propery value.
+	//
+	// Selector: setCollectionProperty(string,bytes) 2f073f66
+	function setCollectionProperty(string memory key, bytes memory value)
+		external;
+
+	// Delete collection property.
+	//
+	// @param key Property key.
+	//
+	// Selector: deleteCollectionProperty(string) 7b7debce
+	function deleteCollectionProperty(string memory key) external;
+
+	// Get collection property.
+	//
+	// @dev Throws error if key not found.
+	//
+	// @param key Property key.
+	// @return bytes The property corresponding to the key.
+	//
+	// Selector: collectionProperty(string) cf24fd6d
+	function collectionProperty(string memory key)
+		external
+		view
+		returns (bytes memory);
+
+	// Set the sponsor of the collection.
+	//
+	// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
+	//
+	// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.
+	//
+	// Selector: setCollectionSponsor(address) 7623402e
+	function setCollectionSponsor(address sponsor) external;
+
+	// Collection sponsorship confirmation.
+	//
+	// @dev After setting the sponsor for the collection, it must be confirmed with this function.
+	//
+	// Selector: confirmCollectionSponsorship() 3c50e97a
+	function confirmCollectionSponsorship() external;
+
+	// Set limits for the collection.
+	// @dev Throws error if limit not found.
+	// @param limit Name of the limit. Valid names:
+	// 	"accountTokenOwnershipLimit",
+	// 	"sponsoredDataSize",
+	// 	"sponsoredDataRateLimit",
+	// 	"tokenLimit",
+	// 	"sponsorTransferTimeout",
+	// 	"sponsorApproveTimeout"
+	// @param value Value of the limit.
+	//
+	// Selector: setCollectionLimit(string,uint32) 6a3841db
+	function setCollectionLimit(string memory limit, uint32 value) external;
+
+	// Set limits for the collection.
+	// @dev Throws error if limit not found.
+	// @param limit Name of the limit. Valid names:
+	// 	"ownerCanTransfer",
+	// 	"ownerCanDestroy",
+	// 	"transfersEnabled"
+	// @param value Value of the limit.
+	//
+	// Selector: setCollectionLimit(string,bool) 993b7fba
+	function setCollectionLimit(string memory limit, bool value) external;
+
+	// Get contract address.
+	//
+	// Selector: contractAddress() f6b4dfb4
+	function contractAddress() external view returns (address);
+
+	// Add collection admin by substrate address.
+	// @param new_admin Substrate administrator address.
+	//
+	// Selector: addCollectionAdminSubstrate(uint256) 5730062b
+	function addCollectionAdminSubstrate(uint256 newAdmin) external;
+
+	// Remove collection admin by substrate address.
+	// @param admin Substrate administrator address.
+	//
+	// Selector: removeCollectionAdminSubstrate(uint256) 4048fcf9
+	function removeCollectionAdminSubstrate(uint256 admin) external;
+
+	// Add collection admin.
+	// @param new_admin Address of the added administrator.
+	//
+	// Selector: addCollectionAdmin(address) 92e462c7
+	function addCollectionAdmin(address newAdmin) external;
+
+	// Remove collection admin.
+	//
+	// @param new_admin Address of the removed administrator.
+	//
+	// Selector: removeCollectionAdmin(address) fafd7b42
+	function removeCollectionAdmin(address admin) external;
+
+	// Toggle accessibility of collection nesting.
+	//
+	// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
+	//
+	// Selector: setCollectionNesting(bool) 112d4586
+	function setCollectionNesting(bool enable) external;
+
+	// Toggle accessibility of collection nesting.
+	//
+	// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
+	// @param collections Addresses of collections that will be available for nesting.
+	//
+	// Selector: setCollectionNesting(bool,address[]) 64872396
+	function setCollectionNesting(bool enable, address[] memory collections)
+		external;
+
+	// Set the collection access method.
+	// @param mode Access mode
+	// 	0 for Normal
+	// 	1 for AllowList
+	//
+	// Selector: setCollectionAccess(uint8) 41835d4c
+	function setCollectionAccess(uint8 mode) external;
+
+	// Add the user to the allowed list.
+	//
+	// @param user Address of a trusted user.
+	//
+	// Selector: addToCollectionAllowList(address) 67844fe6
+	function addToCollectionAllowList(address user) external;
+
+	// Remove the user from the allowed list.
+	//
+	// @param user Address of a removed user.
+	//
+	// Selector: removeFromCollectionAllowList(address) 85c51acb
+	function removeFromCollectionAllowList(address user) external;
+
+	// Switch permission for minting.
+	//
+	// @param mode Enable if "true".
+	//
+	// Selector: setCollectionMintMode(bool) 00018e84
+	function setCollectionMintMode(bool mode) external;
+
+	// Check that account is the owner or admin of the collection
+	//
+	// @param user account to verify
+	// @return "true" if account is the owner or admin
+	//
+	// 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: isOwnerOrAdmin(uint256) 8a6cfe67
+	function isOwnerOrAdmin(uint256 user) external view returns (bool);
+
+	// Returns collection type
+	//
+	// @return `Fungible` or `NFT` or `ReFungible`
+	//
+	// Selector: uniqueCollectionType() d34b55b8
+	function uniqueCollectionType() external returns (string memory);
+
+	// 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;
+
+	// Changes collection owner to another substrate account
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner substrate account
+	//
+	// Selector: setOwner(uint256) 8041494e
+	function setOwner(uint256 newOwner) external;
+}
+
 // Selector: 41369377
 interface TokenProperties is Dummy, ERC165 {
 	// @notice Set permissions for token property.
@@ -335,193 +522,6 @@
 		external
 		view
 		returns (address);
-}
-
-// Selector: f077f83e
-interface Collection is Dummy, ERC165 {
-	// Set collection property.
-	//
-	// @param key Property key.
-	// @param value Propery value.
-	//
-	// Selector: setCollectionProperty(string,bytes) 2f073f66
-	function setCollectionProperty(string memory key, bytes memory value)
-		external;
-
-	// Delete collection property.
-	//
-	// @param key Property key.
-	//
-	// Selector: deleteCollectionProperty(string) 7b7debce
-	function deleteCollectionProperty(string memory key) external;
-
-	// Get collection property.
-	//
-	// @dev Throws error if key not found.
-	//
-	// @param key Property key.
-	// @return bytes The property corresponding to the key.
-	//
-	// Selector: collectionProperty(string) cf24fd6d
-	function collectionProperty(string memory key)
-		external
-		view
-		returns (bytes memory);
-
-	// Set the sponsor of the collection.
-	//
-	// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
-	//
-	// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.
-	//
-	// Selector: setCollectionSponsor(address) 7623402e
-	function setCollectionSponsor(address sponsor) external;
-
-	// Collection sponsorship confirmation.
-	//
-	// @dev After setting the sponsor for the collection, it must be confirmed with this function.
-	//
-	// Selector: confirmCollectionSponsorship() 3c50e97a
-	function confirmCollectionSponsorship() external;
-
-	// Set limits for the collection.
-	// @dev Throws error if limit not found.
-	// @param limit Name of the limit. Valid names:
-	// 	"accountTokenOwnershipLimit",
-	// 	"sponsoredDataSize",
-	// 	"sponsoredDataRateLimit",
-	// 	"tokenLimit",
-	// 	"sponsorTransferTimeout",
-	// 	"sponsorApproveTimeout"
-	// @param value Value of the limit.
-	//
-	// Selector: setCollectionLimit(string,uint32) 6a3841db
-	function setCollectionLimit(string memory limit, uint32 value) external;
-
-	// Set limits for the collection.
-	// @dev Throws error if limit not found.
-	// @param limit Name of the limit. Valid names:
-	// 	"ownerCanTransfer",
-	// 	"ownerCanDestroy",
-	// 	"transfersEnabled"
-	// @param value Value of the limit.
-	//
-	// Selector: setCollectionLimit(string,bool) 993b7fba
-	function setCollectionLimit(string memory limit, bool value) external;
-
-	// Get contract address.
-	//
-	// Selector: contractAddress() f6b4dfb4
-	function contractAddress() external view returns (address);
-
-	// Add collection admin by substrate address.
-	// @param new_admin Substrate administrator address.
-	//
-	// Selector: addCollectionAdminSubstrate(uint256) 5730062b
-	function addCollectionAdminSubstrate(uint256 newAdmin) external;
-
-	// Remove collection admin by substrate address.
-	// @param admin Substrate administrator address.
-	//
-	// Selector: removeCollectionAdminSubstrate(uint256) 4048fcf9
-	function removeCollectionAdminSubstrate(uint256 admin) external;
-
-	// Add collection admin.
-	// @param new_admin Address of the added administrator.
-	//
-	// Selector: addCollectionAdmin(address) 92e462c7
-	function addCollectionAdmin(address newAdmin) external;
-
-	// Remove collection admin.
-	//
-	// @param new_admin Address of the removed administrator.
-	//
-	// Selector: removeCollectionAdmin(address) fafd7b42
-	function removeCollectionAdmin(address admin) external;
-
-	// Toggle accessibility of collection nesting.
-	//
-	// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	//
-	// Selector: setCollectionNesting(bool) 112d4586
-	function setCollectionNesting(bool enable) external;
-
-	// Toggle accessibility of collection nesting.
-	//
-	// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
-	// @param collections Addresses of collections that will be available for nesting.
-	//
-	// Selector: setCollectionNesting(bool,address[]) 64872396
-	function setCollectionNesting(bool enable, address[] memory collections)
-		external;
-
-	// Set the collection access method.
-	// @param mode Access mode
-	// 	0 for Normal
-	// 	1 for AllowList
-	//
-	// Selector: setCollectionAccess(uint8) 41835d4c
-	function setCollectionAccess(uint8 mode) external;
-
-	// Add the user to the allowed list.
-	//
-	// @param user Address of a trusted user.
-	//
-	// Selector: addToCollectionAllowList(address) 67844fe6
-	function addToCollectionAllowList(address user) external;
-
-	// Remove the user from the allowed list.
-	//
-	// @param user Address of a removed user.
-	//
-	// Selector: removeFromCollectionAllowList(address) 85c51acb
-	function removeFromCollectionAllowList(address user) external;
-
-	// Switch permission for minting.
-	//
-	// @param mode Enable if "true".
-	//
-	// Selector: setCollectionMintMode(bool) 00018e84
-	function setCollectionMintMode(bool mode) external;
-
-	// Check that account is the owner or admin of the collection
-	//
-	// @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);
-
-	// 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: verifyOwnerOrAdmin(uint256) a83328e5
-	function verifyOwnerOrAdmin(uint256 user) external view returns (bool);
-
-	// Returns collection type
-	//
-	// @return `Fungible` or `NFT` or `ReFungible`
-	//
-	// Selector: uniqueCollectionType() d34b55b8
-	function uniqueCollectionType() external returns (string memory);
-
-	// Changes collection owner to another account
-	//
-	// @dev Owner can be changed only by current owner
-	// @param newOwner new owner account
-	//
-	// Selector: changeOwner(address) a6f9dae1
-	function changeOwner(address newOwner) external;
-
-	// Changes collection owner to another substrate account
-	//
-	// @dev Owner can be changed only by current owner
-	// @param newOwner new owner substrate account
-	//
-	// Selector: changeOwner(uint256) 924c19f7
-	function changeOwner(uint256 newOwner) external;
 }
 
 interface UniqueRefungible is

--- a/tests/src/eth/collectionAdmin.test.ts
+++ b/tests/src/eth/collectionAdmin.test.ts
@@ -74,9 +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}) => {
@@ -325,10 +325,10 @@
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
   
-    await collectionEvm.methods.changeOwner(newOwner).send();
+    await collectionEvm.methods.setOwner(newOwner).send();
   
-    expect(await collectionEvm.methods.verifyOwnerOrAdmin(owner).call()).to.be.false;
-    expect(await collectionEvm.methods.verifyOwnerOrAdmin(newOwner).call()).to.be.true;
+    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}) => {
@@ -341,12 +341,12 @@
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
 
-    const cost = await recordEthFee(api, owner, () => collectionEvm.methods.changeOwner(newOwner).send());
+    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 changeOwner by not owner', async ({api, web3, privateKeyWrapper}) => {
+  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);
@@ -356,8 +356,8 @@
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
   
-    await expect(collectionEvm.methods.changeOwner(newOwner).send({from: newOwner})).to.be.rejected;
-    expect(await collectionEvm.methods.verifyOwnerOrAdmin(newOwner).call()).to.be.false;
+    await expect(collectionEvm.methods.setOwner(newOwner).send({from: newOwner})).to.be.rejected;
+    expect(await collectionEvm.methods.isOwnerOrAdmin(newOwner).call()).to.be.false;
   });
 });
 
@@ -372,12 +372,12 @@
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
   
-    expect(await collectionEvm.methods.verifyOwnerOrAdmin(owner).call()).to.be.true;
-    expect(await collectionEvm.methods['verifyOwnerOrAdmin(uint256)'](newOwner.addressRaw).call()).to.be.false;
-    await collectionEvm.methods['changeOwner(uint256)'](newOwner.addressRaw).send();
+    expect(await collectionEvm.methods.isOwnerOrAdmin(owner).call()).to.be.true;
+    expect(await collectionEvm.methods['isOwnerOrAdmin(uint256)'](newOwner.addressRaw).call()).to.be.false;
+    await collectionEvm.methods['setOwner(uint256)'](newOwner.addressRaw).send();
   
-    expect(await collectionEvm.methods.verifyOwnerOrAdmin(owner).call()).to.be.false;
-    expect(await collectionEvm.methods['verifyOwnerOrAdmin(uint256)'](newOwner.addressRaw).call()).to.be.true;
+    expect(await collectionEvm.methods.isOwnerOrAdmin(owner).call()).to.be.false;
+    expect(await collectionEvm.methods['isOwnerOrAdmin(uint256)'](newOwner.addressRaw).call()).to.be.true;
   });
 
   itWeb3('change owner call fee', async ({web3, api, privateKeyWrapper}) => {
@@ -390,12 +390,12 @@
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
 
-    const cost = await recordEthFee(api, owner, () => collectionEvm.methods['changeOwner(uint256)'](newOwner.addressRaw).send());
+    const cost = await recordEthFee(api, owner, () => collectionEvm.methods['setOwner(uint256)'](newOwner.addressRaw).send());
     expect(cost < BigInt(0.2 * Number(UNIQUE)));
     expect(cost > 0);
   });
 
-  itWeb3('(!negative tests!) call changeOwner by not owner', async ({api, web3, privateKeyWrapper}) => {
+  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');
@@ -406,7 +406,7 @@
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
   
-    await expect(collectionEvm.methods['changeOwner(uint256)'](newOwner.addressRaw).send({from: otherReceiver})).to.be.rejected;
-    expect(await collectionEvm.methods['verifyOwnerOrAdmin(uint256)'](newOwner.addressRaw).call()).to.be.false;
+    await expect(collectionEvm.methods['setOwner(uint256)'](newOwner.addressRaw).send({from: otherReceiver})).to.be.rejected;
+    expect(await collectionEvm.methods['isOwnerOrAdmin(uint256)'](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/nonFungibleAbi.json
+++ b/tests/src/eth/nonFungibleAbi.json
@@ -146,24 +146,6 @@
     "type": "function"
   },
   {
-    "inputs": [
-      { "internalType": "uint256", "name": "newOwner", "type": "uint256" }
-    ],
-    "name": "changeOwner",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "address", "name": "newOwner", "type": "address" }
-    ],
-    "name": "changeOwner",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
     "inputs": [{ "internalType": "string", "name": "key", "type": "string" }],
     "name": "collectionProperty",
     "outputs": [{ "internalType": "bytes", "name": "", "type": "bytes" }],
@@ -229,6 +211,24 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "user", "type": "uint256" }
+    ],
+    "name": "isOwnerOrAdmin",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "user", "type": "address" }
+    ],
+    "name": "isOwnerOrAdmin",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "address", "name": "to", "type": "address" },
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
     ],
@@ -452,6 +452,24 @@
   },
   {
     "inputs": [
+      { "internalType": "address", "name": "newOwner", "type": "address" }
+    ],
+    "name": "setOwner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "uint256", "name": "newOwner", "type": "uint256" }
+    ],
+    "name": "setOwner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" },
       { "internalType": "string", "name": "key", "type": "string" },
       { "internalType": "bytes", "name": "value", "type": "bytes" }
@@ -550,24 +568,6 @@
     "name": "uniqueCollectionType",
     "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
     "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "user", "type": "uint256" }
-    ],
-    "name": "verifyOwnerOrAdmin",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
-    "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
@@ -146,24 +146,6 @@
     "type": "function"
   },
   {
-    "inputs": [
-      { "internalType": "uint256", "name": "newOwner", "type": "uint256" }
-    ],
-    "name": "changeOwner",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "address", "name": "newOwner", "type": "address" }
-    ],
-    "name": "changeOwner",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
     "inputs": [{ "internalType": "string", "name": "key", "type": "string" }],
     "name": "collectionProperty",
     "outputs": [{ "internalType": "bytes", "name": "", "type": "bytes" }],
@@ -229,6 +211,24 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "user", "type": "uint256" }
+    ],
+    "name": "isOwnerOrAdmin",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "user", "type": "address" }
+    ],
+    "name": "isOwnerOrAdmin",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "address", "name": "to", "type": "address" },
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
     ],
@@ -452,6 +452,24 @@
   },
   {
     "inputs": [
+      { "internalType": "address", "name": "newOwner", "type": "address" }
+    ],
+    "name": "setOwner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "uint256", "name": "newOwner", "type": "uint256" }
+    ],
+    "name": "setOwner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" },
       { "internalType": "string", "name": "key", "type": "string" },
       { "internalType": "bytes", "name": "value", "type": "bytes" }
@@ -559,24 +577,6 @@
     "name": "uniqueCollectionType",
     "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
     "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "uint256", "name": "user", "type": "uint256" }
-    ],
-    "name": "verifyOwnerOrAdmin",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      { "internalType": "address", "name": "user", "type": "address" }
-    ],
-    "name": "verifyOwnerOrAdmin",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "view",
     "type": "function"
   }
 ]