git.delta.rocks / unique-network / refs/commits / 876ef621bd1e

--- a/pallets/common/src/erc.rs
+++ b/pallets/common/src/erc.rs
@@ -684,6 +684,11 @@
 		pub fn parent_nft() -> up_data_structs::PropertyKey {
 			property_key_from_bytes(b"parentNft").expect(EXPECT_CONVERT_ERROR)
 		}
+
+		/// Key "parentNft".
+		pub fn erc721_metadata() -> up_data_structs::PropertyKey {
+			property_key_from_bytes(b"ERC721Metadata").expect(EXPECT_CONVERT_ERROR)
+		}
 	}
 
 	/// Values.
@@ -693,10 +698,21 @@
 		/// Value "ERC721Metadata".
 		pub const ERC721_METADATA: &[u8] = b"ERC721Metadata";
 
+		/// Value "1" ERC721 metadata supported.
+		pub const ERC721_METADATA_SUPPORTED: &[u8] = b"1";
+
+		/// Value "0" ERC721 metadata supported.
+		pub const ERC721_METADATA_UNSUPPORTED: &[u8] = b"0";
+
 		/// Value for [`ERC721_METADATA`].
 		pub fn erc721() -> up_data_structs::PropertyValue {
 			property_value_from_bytes(ERC721_METADATA).expect(EXPECT_CONVERT_ERROR)
 		}
+
+		/// Value for [`ERC721_METADATA`].
+		pub fn erc721_metadata_supported() -> up_data_structs::PropertyValue {
+			property_value_from_bytes(ERC721_METADATA_SUPPORTED).expect(EXPECT_CONVERT_ERROR)
+		}
 	}
 
 	/// Convert `byte` to [`PropertyKey`].

--- a/pallets/nonfungible/src/erc.rs
+++ b/pallets/nonfungible/src/erc.rs
@@ -232,7 +232,7 @@
 			if !url.is_empty() {
 				return Ok(url);
 			}
-		} else if !is_erc721_metadata_compatible::<T>(self.id) {
+		} else if !self.supports_metadata() {
 			return Err("tokenURI not set".into());
 		}
 
@@ -548,17 +548,6 @@
 	}
 
 	Err("Property tokenURI not found".into())
-}
-
-fn is_erc721_metadata_compatible<T: Config>(collection_id: CollectionId) -> bool {
-	if let Some(shema_name) =
-		pallet_common::Pallet::<T>::get_collection_property(collection_id, &key::schema_name())
-	{
-		let shema_name = shema_name.into_inner();
-		shema_name == property_value::ERC721_METADATA
-	} else {
-		false
-	}
 }
 
 fn get_token_permission<T: Config>(
@@ -577,16 +566,6 @@
 	Ok(a)
 }
 
-fn has_token_permission<T: Config>(collection_id: CollectionId, key: &PropertyKey) -> bool {
-	if let Ok(token_property_permissions) =
-		CollectionPropertyPermissions::<T>::try_get(collection_id)
-	{
-		return token_property_permissions.contains_key(key);
-	}
-
-	false
-}
-
 /// @title Unique extensions for ERC721.
 #[solidity_interface(name = ERC721UniqueExtensions)]
 impl<T: Config> NonfungibleHandle<T> {
@@ -731,7 +710,7 @@
 	name = UniqueNFT,
 	is(
 		ERC721,
-		ERC721Metadata,
+		ERC721Metadata(if(this.supports_metadata())),
 		ERC721Enumerable,
 		ERC721UniqueExtensions,
 		ERC721Mintable,

--- a/pallets/nonfungible/src/lib.rs
+++ b/pallets/nonfungible/src/lib.rs
@@ -108,6 +108,7 @@
 use pallet_evm::{account::CrossAccountId, Pallet as PalletEvm};
 use pallet_common::{
 	Error as CommonError, Pallet as PalletCommon, Event as CommonEvent, CollectionHandle,
+	erc::static_property::{key, value},
 	eth::collection_id_to_address,
 };
 use pallet_structure::{Pallet as PalletStructure, Error as StructureError};
@@ -295,6 +296,19 @@
 		&mut self.0
 	}
 }
+
+impl<T: Config> NonfungibleHandle<T> {
+	pub fn supports_metadata(&self) -> bool {
+		if let Some(erc721_metadata) =
+			pallet_common::Pallet::<T>::get_collection_property(self.id, &key::erc721_metadata())
+		{
+			*erc721_metadata.into_inner() == *value::ERC721_METADATA_SUPPORTED
+		} else {
+			false
+		}
+	}
+}
+
 impl<T: Config> WithRecorder<T> for NonfungibleHandle<T> {
 	fn recorder(&self) -> &SubstrateRecorder<T> {
 		self.0.recorder()

--- a/pallets/refungible/src/erc.rs
+++ b/pallets/refungible/src/erc.rs
@@ -228,7 +228,7 @@
 			if !url.is_empty() {
 				return Ok(url);
 			}
-		} else if !is_erc721_metadata_compatible::<T>(self.id) {
+		} else if !self.supports_metadata() {
 			return Err("tokenURI not set".into());
 		}
 
@@ -578,17 +578,6 @@
 	Err("Property tokenURI not found".into())
 }
 
-fn is_erc721_metadata_compatible<T: Config>(collection_id: CollectionId) -> bool {
-	if let Some(shema_name) =
-		pallet_common::Pallet::<T>::get_collection_property(collection_id, &key::schema_name())
-	{
-		let shema_name = shema_name.into_inner();
-		shema_name == property_value::ERC721_METADATA
-	} else {
-		false
-	}
-}
-
 fn get_token_permission<T: Config>(
 	collection_id: CollectionId,
 	key: &PropertyKey,
@@ -780,7 +769,7 @@
 	name = UniqueRefungible,
 	is(
 		ERC721,
-		ERC721Metadata,
+		ERC721Metadata(if(this.supports_metadata())),
 		ERC721Enumerable,
 		ERC721UniqueExtensions,
 		ERC721Mintable,

--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -92,14 +92,19 @@
 
 use codec::{Encode, Decode, MaxEncodedLen};
 use core::ops::Deref;
+use derivative::Derivative;
 use evm_coder::ToLog;
 use frame_support::{
-	BoundedVec, ensure, fail, storage::with_transaction, transactional, pallet_prelude::ConstU32,
+	BoundedBTreeMap, BoundedVec, ensure, fail, storage::with_transaction, transactional,
+	pallet_prelude::ConstU32,
 };
 use pallet_evm::{account::CrossAccountId, Pallet as PalletEvm};
 use pallet_evm_coder_substrate::WithRecorder;
 use pallet_common::{
-	CommonCollectionOperations, Error as CommonError, eth::collection_id_to_address,
+	CommonCollectionOperations,
+	erc::static_property::{key, value},
+	Error as CommonError,
+	eth::collection_id_to_address,
 	Event as CommonEvent, Pallet as PalletCommon,
 };
 use pallet_structure::Pallet as PalletStructure;
@@ -113,8 +118,6 @@
 	MAX_REFUNGIBLE_PIECES, Property, PropertyKey, PropertyKeyPermission, PropertyPermission,
 	PropertyScope, PropertyValue, TokenId, TrySetProperty,
 };
-use frame_support::BoundedBTreeMap;
-use derivative::Derivative;
 
 pub use pallet::*;
 #[cfg(feature = "runtime-benchmarks")]
@@ -301,6 +304,18 @@
 	}
 }
 
+impl<T: Config> RefungibleHandle<T> {
+	pub fn supports_metadata(&self) -> bool {
+		if let Some(erc721_metadata) =
+			pallet_common::Pallet::<T>::get_collection_property(self.id, &key::erc721_metadata())
+		{
+			*erc721_metadata.into_inner() == *value::ERC721_METADATA_SUPPORTED
+		} else {
+			false
+		}
+	}
+}
+
 impl<T: Config> Deref for RefungibleHandle<T> {
 	type Target = pallet_common::CollectionHandle<T>;
 

--- a/pallets/unique/src/eth/mod.rs
+++ b/pallets/unique/src/eth/mod.rs
@@ -130,6 +130,13 @@
 			})
 			.map_err(|e| Error::Revert(format!("{:?}", e)))?;
 
+		properties
+			.try_push(up_data_structs::Property {
+				key: key::erc721_metadata(),
+				value: property_value::erc721_metadata_supported(),
+			})
+			.map_err(|e| Error::Revert(format!("{:?}", e)))?;
+
 		if !base_uri_value.is_empty() {
 			properties
 				.try_push(up_data_structs::Property {
@@ -212,7 +219,8 @@
 	/// @param tokenPrefix Token prefix to represent the collection tokens in UI and user applications
 	/// @return address Address of the newly created collection
 	#[weight(<SelfWeightOf<T>>::create_collection())]
-	fn create_nonfungible_collection(
+	#[solidity(rename_selector = "createNFTCollection")]
+	fn create_nft_collection(
 		&mut self,
 		caller: caller,
 		value: value,
@@ -239,9 +247,26 @@
 		let address = pallet_common::eth::collection_id_to_address(collection_id);
 		Ok(address)
 	}
+	/// Create an NFT collection
+	/// @param name Name of the collection
+	/// @param description Informative description of the collection
+	/// @param tokenPrefix Token prefix to represent the collection tokens in UI and user applications
+	/// @return address Address of the newly created collection
+	#[weight(<SelfWeightOf<T>>::create_collection())]
+	#[deprecated(note = "mathod was renamed to `create_nft_collection`, prefer it instead")]
+	fn create_nonfungible_collection(
+		&mut self,
+		caller: caller,
+		value: value,
+		name: string,
+		description: string,
+		token_prefix: string,
+	) -> Result<address> {
+		self.create_nft_collection(caller, value, name, description, token_prefix)
+	}
 
 	#[weight(<SelfWeightOf<T>>::create_collection())]
-	#[solidity(rename_selector = "createERC721MetadataCompatibleCollection")]
+	#[solidity(rename_selector = "createERC721MetadataNFTCollection")]
 	fn create_nonfungible_collection_with_properties(
 		&mut self,
 		caller: caller,
@@ -273,6 +298,27 @@
 
 	#[weight(<SelfWeightOf<T>>::create_collection())]
 	#[solidity(rename_selector = "createRFTCollection")]
+	fn create_rft_collection(
+		&mut self,
+		caller: caller,
+		value: value,
+		name: string,
+		description: string,
+		token_prefix: string,
+	) -> Result<address> {
+		create_refungible_collection_internal::<T>(
+			caller,
+			value,
+			name,
+			description,
+			token_prefix,
+			Default::default(),
+			false,
+		)
+	}
+
+	#[weight(<SelfWeightOf<T>>::create_collection())]
+	#[deprecated(note = "mathod was renamed to `create_rft_collection`, prefer it instead")]
 	fn create_refungible_collection(
 		&mut self,
 		caller: caller,
@@ -293,7 +339,7 @@
 	}
 
 	#[weight(<SelfWeightOf<T>>::create_collection())]
-	#[solidity(rename_selector = "createERC721MetadataCompatibleRFTCollection")]
+	#[solidity(rename_selector = "createERC721MetadataRFTCollection")]
 	fn create_refungible_collection_with_properties(
 		&mut self,
 		caller: caller,

binary blob — no preview

--- a/pallets/unique/src/eth/stubs/CollectionHelpers.sol
+++ b/pallets/unique/src/eth/stubs/CollectionHelpers.sol
@@ -23,13 +23,33 @@
 }
 
 /// @title Contract, which allows users to operate with collections
-/// @dev the ERC-165 identifier for this interface is 0x5ad4f440
+/// @dev the ERC-165 identifier for this interface is 0xf62c7aa9
 contract CollectionHelpers is Dummy, ERC165, CollectionHelpersEvents {
 	/// Create an NFT collection
 	/// @param name Name of the collection
 	/// @param description Informative description of the collection
 	/// @param tokenPrefix Token prefix to represent the collection tokens in UI and user applications
 	/// @return address Address of the newly created collection
+	/// @dev EVM selector for this function is: 0x844af658,
+	///  or in textual repr: createNFTCollection(string,string,string)
+	function createNFTCollection(
+		string memory name,
+		string memory description,
+		string memory tokenPrefix
+	) public payable returns (address) {
+		require(false, stub_error);
+		name;
+		description;
+		tokenPrefix;
+		dummy = 0;
+		return 0x0000000000000000000000000000000000000000;
+	}
+
+	/// Create an NFT collection
+	/// @param name Name of the collection
+	/// @param description Informative description of the collection
+	/// @param tokenPrefix Token prefix to represent the collection tokens in UI and user applications
+	/// @return address Address of the newly created collection
 	/// @dev EVM selector for this function is: 0xe34a6844,
 	///  or in textual repr: createNonfungibleCollection(string,string,string)
 	function createNonfungibleCollection(
@@ -45,9 +65,9 @@
 		return 0x0000000000000000000000000000000000000000;
 	}
 
-	/// @dev EVM selector for this function is: 0xa634a5f9,
-	///  or in textual repr: createERC721MetadataCompatibleCollection(string,string,string,string)
-	function createERC721MetadataCompatibleCollection(
+	/// @dev EVM selector for this function is: 0xd1df968c,
+	///  or in textual repr: createERC721MetadataNFTCollection(string,string,string,string)
+	function createERC721MetadataNFTCollection(
 		string memory name,
 		string memory description,
 		string memory tokenPrefix,
@@ -77,9 +97,24 @@
 		return 0x0000000000000000000000000000000000000000;
 	}
 
-	/// @dev EVM selector for this function is: 0xa5596388,
-	///  or in textual repr: createERC721MetadataCompatibleRFTCollection(string,string,string,string)
-	function createERC721MetadataCompatibleRFTCollection(
+	/// @dev EVM selector for this function is: 0x44a68ad5,
+	///  or in textual repr: createRefungibleCollection(string,string,string)
+	function createRefungibleCollection(
+		string memory name,
+		string memory description,
+		string memory tokenPrefix
+	) public payable returns (address) {
+		require(false, stub_error);
+		name;
+		description;
+		tokenPrefix;
+		dummy = 0;
+		return 0x0000000000000000000000000000000000000000;
+	}
+
+	/// @dev EVM selector for this function is: 0xbea6a299,
+	///  or in textual repr: createERC721MetadataRFTCollection(string,string,string,string)
+	function createERC721MetadataRFTCollection(
 		string memory name,
 		string memory description,
 		string memory tokenPrefix,

--- a/tests/src/deprecated-helpers/eth/helpers.ts
+++ b/tests/src/deprecated-helpers/eth/helpers.ts
@@ -150,10 +150,10 @@
 }
 
 
-export async function createNonfungibleCollection(api: ApiPromise, web3: Web3, owner: string) {
+export async function createNFTCollection(api: ApiPromise, web3: Web3, owner: string) {
   const collectionHelper = evmCollectionHelpers(web3, owner);
   const result = await collectionHelper.methods
-    .createNonfungibleCollection('A', 'B', 'C')
+    .createNFTCollection('A', 'B', 'C')
     .send({value: Number(2n * UNIQUE)});
   return await getCollectionAddressFromResult(api, result);
 }

--- a/tests/src/deprecated-helpers/helpers.ts
+++ b/tests/src/deprecated-helpers/helpers.ts
@@ -433,6 +433,7 @@
   mode: {type: 'NFT'},
   name: 'name',
   tokenPrefix: 'prefix',
+  properties: [{key: 'ERC721Metadata', value: '1'}],
 };
 
 export async function
@@ -441,7 +442,7 @@
   sender: IKeyringPair,
   params: Partial<CreateCollectionParams> = {},
 ): Promise<CreateCollectionResult> {
-  const {name, description, mode, tokenPrefix} = {...defaultCreateCollectionParams, ...params};
+  const {name, description, mode, tokenPrefix, properties} = {...defaultCreateCollectionParams, ...params};
 
   let modeprm = {};
   if (mode.type === 'NFT') {
@@ -457,6 +458,7 @@
     description: strToUTF16(description),
     tokenPrefix: strToUTF16(tokenPrefix),
     mode: modeprm as any,
+    properties,
   });
   const events = await executeTransaction(api, sender, tx);
   return getCreateCollectionResult(events);

--- a/tests/src/eth/allowlist.test.ts
+++ b/tests/src/eth/allowlist.test.ts
@@ -78,7 +78,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor);
     const user = helper.eth.createAccount();
 
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
     expect(await collectionEvm.methods.allowed(user).call({from: owner})).to.be.false;
@@ -94,7 +94,7 @@
   //   const owner = await helper.eth.createAccountWithBalance(donor);
   //   const user = donor;
 
-  //   const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+  //   const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
   //   const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
   //   expect(await helper.collection.allowed(collectionId, {Substrate: user.address})).to.be.false;
@@ -110,7 +110,7 @@
     const notOwner = await helper.eth.createAccountWithBalance(donor);
     const user = helper.eth.createAccount();
 
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
     expect(await collectionEvm.methods.allowed(user).call({from: owner})).to.be.false;
@@ -129,7 +129,7 @@
   //   const notOwner = await helper.eth.createAccountWithBalance(donor);
   //   const user = donor;
 
-  //   const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+  //   const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
   //   const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
   //   expect(await helper.collection.allowed(collectionId, {Substrate: user.address})).to.be.false;

--- a/tests/src/eth/api/CollectionHelpers.sol
+++ b/tests/src/eth/api/CollectionHelpers.sol
@@ -18,13 +18,26 @@
 }
 
 /// @title Contract, which allows users to operate with collections
-/// @dev the ERC-165 identifier for this interface is 0x5ad4f440
+/// @dev the ERC-165 identifier for this interface is 0xf62c7aa9
 interface CollectionHelpers is Dummy, ERC165, CollectionHelpersEvents {
 	/// Create an NFT collection
 	/// @param name Name of the collection
 	/// @param description Informative description of the collection
 	/// @param tokenPrefix Token prefix to represent the collection tokens in UI and user applications
 	/// @return address Address of the newly created collection
+	/// @dev EVM selector for this function is: 0x844af658,
+	///  or in textual repr: createNFTCollection(string,string,string)
+	function createNFTCollection(
+		string memory name,
+		string memory description,
+		string memory tokenPrefix
+	) external payable returns (address);
+
+	/// Create an NFT collection
+	/// @param name Name of the collection
+	/// @param description Informative description of the collection
+	/// @param tokenPrefix Token prefix to represent the collection tokens in UI and user applications
+	/// @return address Address of the newly created collection
 	/// @dev EVM selector for this function is: 0xe34a6844,
 	///  or in textual repr: createNonfungibleCollection(string,string,string)
 	function createNonfungibleCollection(
@@ -33,9 +46,9 @@
 		string memory tokenPrefix
 	) external payable returns (address);
 
-	/// @dev EVM selector for this function is: 0xa634a5f9,
-	///  or in textual repr: createERC721MetadataCompatibleCollection(string,string,string,string)
-	function createERC721MetadataCompatibleCollection(
+	/// @dev EVM selector for this function is: 0xd1df968c,
+	///  or in textual repr: createERC721MetadataNFTCollection(string,string,string,string)
+	function createERC721MetadataNFTCollection(
 		string memory name,
 		string memory description,
 		string memory tokenPrefix,
@@ -50,9 +63,17 @@
 		string memory tokenPrefix
 	) external payable returns (address);
 
-	/// @dev EVM selector for this function is: 0xa5596388,
-	///  or in textual repr: createERC721MetadataCompatibleRFTCollection(string,string,string,string)
-	function createERC721MetadataCompatibleRFTCollection(
+	/// @dev EVM selector for this function is: 0x44a68ad5,
+	///  or in textual repr: createRefungibleCollection(string,string,string)
+	function createRefungibleCollection(
+		string memory name,
+		string memory description,
+		string memory tokenPrefix
+	) external payable returns (address);
+
+	/// @dev EVM selector for this function is: 0xbea6a299,
+	///  or in textual repr: createERC721MetadataRFTCollection(string,string,string,string)
+	function createERC721MetadataRFTCollection(
 		string memory name,
 		string memory description,
 		string memory tokenPrefix,

--- a/tests/src/eth/collectionAdmin.test.ts
+++ b/tests/src/eth/collectionAdmin.test.ts
@@ -38,7 +38,7 @@
 
   itEth('Add admin by owner', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
     const newAdmin = helper.eth.createAccount();
@@ -51,7 +51,7 @@
 
   itEth.skip('Add substrate admin by owner', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
     const [newAdmin] = await helper.arrange.createAccounts([10n], donor);
@@ -64,7 +64,7 @@
 
   itEth('Verify owner or admin', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const newAdmin = helper.eth.createAccount();
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
@@ -75,7 +75,7 @@
 
   itEth('(!negative tests!) Add admin by ADMIN is not allowed', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const admin = await helper.eth.createAccountWithBalance(donor);
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
@@ -93,7 +93,7 @@
 
   itEth('(!negative tests!) Add admin by USER is not allowed', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const notAdmin = await helper.eth.createAccountWithBalance(donor);
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
@@ -108,7 +108,7 @@
 
   itEth.skip('(!negative tests!) Add substrate admin by ADMIN is not allowed', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const admin = await helper.eth.createAccountWithBalance(donor);
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
@@ -126,7 +126,7 @@
 
   itEth.skip('(!negative tests!) Add substrate admin by USER is not allowed', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const notAdmin0 = await helper.eth.createAccountWithBalance(donor);
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
@@ -150,7 +150,7 @@
 
   itEth('Remove admin by owner', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const newAdmin = helper.eth.createAccount();
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
@@ -170,7 +170,7 @@
 
   itEth.skip('Remove substrate admin by owner', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const [newAdmin] = await helper.arrange.createAccounts([10n], donor);
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
@@ -188,7 +188,7 @@
 
   itEth('(!negative tests!) Remove admin by ADMIN is not allowed', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
@@ -210,7 +210,7 @@
 
   itEth('(!negative tests!) Remove admin by USER is not allowed', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
@@ -230,7 +230,7 @@
 
   itEth.skip('(!negative tests!) Remove substrate admin by ADMIN is not allowed', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const [adminSub] = await helper.arrange.createAccounts([10n], donor);
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
@@ -250,7 +250,7 @@
 
   itEth.skip('(!negative tests!) Remove substrate admin by USER is not allowed', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
     const [adminSub] = await helper.arrange.createAccounts([10n], donor);
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
@@ -279,7 +279,7 @@
   itEth('Change owner', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
     const newOwner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
     await collectionEvm.methods.setOwner(newOwner).send();
@@ -291,7 +291,7 @@
   itEth('change owner call fee', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
     const newOwner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
     const cost = await recordEthFee(helper, owner, () => collectionEvm.methods.setOwner(newOwner).send());
     expect(cost < BigInt(0.2 * Number(helper.balance.getOneTokenNominal())));
@@ -301,7 +301,7 @@
   itEth('(!negative tests!) call setOwner by non owner', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
     const newOwner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
     await expect(collectionEvm.methods.setOwner(newOwner).send({from: newOwner})).to.be.rejected;
@@ -321,7 +321,7 @@
   itEth.skip('Change owner', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
     const [newOwner] = await helper.arrange.createAccounts([10n], donor);
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
     expect(await collectionEvm.methods.isOwnerOrAdmin(owner).call()).to.be.true;
@@ -336,7 +336,7 @@
   itEth.skip('change owner call fee', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
     const [newOwner] = await helper.arrange.createAccounts([10n], donor);
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
     const cost = await recordEthFee(helper, owner, () => collectionEvm.methods.setOwnerSubstrate(newOwner.addressRaw).send());
@@ -348,7 +348,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor);
     const otherReceiver = await helper.eth.createAccountWithBalance(donor);
     const [newOwner] = await helper.arrange.createAccounts([10n], donor);
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
 
     await expect(collectionEvm.methods.setOwnerSubstrate(newOwner.addressRaw).send({from: otherReceiver})).to.be.rejected;

--- a/tests/src/eth/collectionHelpersAbi.json
+++ b/tests/src/eth/collectionHelpersAbi.json
@@ -32,7 +32,7 @@
       { "internalType": "string", "name": "tokenPrefix", "type": "string" },
       { "internalType": "string", "name": "baseUri", "type": "string" }
     ],
-    "name": "createERC721MetadataCompatibleCollection",
+    "name": "createERC721MetadataNFTCollection",
     "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
     "stateMutability": "payable",
     "type": "function"
@@ -44,7 +44,18 @@
       { "internalType": "string", "name": "tokenPrefix", "type": "string" },
       { "internalType": "string", "name": "baseUri", "type": "string" }
     ],
-    "name": "createERC721MetadataCompatibleRFTCollection",
+    "name": "createERC721MetadataRFTCollection",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "string", "name": "name", "type": "string" },
+      { "internalType": "string", "name": "description", "type": "string" },
+      { "internalType": "string", "name": "tokenPrefix", "type": "string" }
+    ],
+    "name": "createNFTCollection",
     "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
     "stateMutability": "payable",
     "type": "function"
@@ -73,6 +84,17 @@
   },
   {
     "inputs": [
+      { "internalType": "string", "name": "name", "type": "string" },
+      { "internalType": "string", "name": "description", "type": "string" },
+      { "internalType": "string", "name": "tokenPrefix", "type": "string" }
+    ],
+    "name": "createRefungibleCollection",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       {
         "internalType": "address",
         "name": "collectionAddress",

--- a/tests/src/eth/collectionProperties.test.ts
+++ b/tests/src/eth/collectionProperties.test.ts
@@ -24,7 +24,7 @@
 
     const raw = (await collection.getData())?.raw;
 
-    expect(raw.properties[0].value).to.equal('testValue');
+    expect(raw.properties[1].value).to.equal('testValue');
   });
 
   itEth('Can be deleted', async({helper}) => {
@@ -54,3 +54,46 @@
     expect(value).to.equal(helper.getWeb3().utils.toHex('testValue'));
   });
 });
+
+describe('Supports ERC721Metadata', () => {
+  let donor: IKeyringPair;
+
+  before(async function() {
+    await usingEthPlaygrounds(async (_helper, privateKey) => {
+      donor = privateKey('//Alice');
+    });
+  });
+
+  itEth('ERC721Metadata property can be set for NFT collection', async({helper}) => {
+    const caller = await helper.eth.createAccountWithBalance(donor);
+    const collection = await helper.nft.mintCollection(donor, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+
+    await collection.addAdmin(donor, {Ethereum: caller});
+    const contract = helper.ethNativeContract.collectionById(collection.collectionId, 'nft', caller);
+
+    await contract.methods.setCollectionProperty('ERC721Metadata', Buffer.from('1')).send({from: caller});
+
+    expect(await contract.methods.supportsInterface('0x5b5e139f').call()).to.be.true;
+
+    await contract.methods.setCollectionProperty('ERC721Metadata', Buffer.from('0')).send({from: caller});
+
+    expect(await contract.methods.supportsInterface('0x5b5e139f').call()).to.be.false;
+  });
+
+  itEth('ERC721Metadata property can be set for RFT collection', async({helper}) => {
+    const caller = await helper.eth.createAccountWithBalance(donor);
+    const collection = await helper.rft.mintCollection(donor, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+
+    await collection.addAdmin(donor, {Ethereum: caller});
+
+    const contract = helper.ethNativeContract.collectionById(collection.collectionId, 'nft', caller);
+
+    await contract.methods.setCollectionProperty('ERC721Metadata', Buffer.from('1')).send({from: caller});
+
+    expect(await contract.methods.supportsInterface('0x5b5e139f').call()).to.be.true;
+
+    await contract.methods.setCollectionProperty('ERC721Metadata', Buffer.from('0')).send({from: caller});
+
+    expect(await contract.methods.supportsInterface('0x5b5e139f').call()).to.be.false;
+  });
+});

--- a/tests/src/eth/collectionSponsoring.test.ts
+++ b/tests/src/eth/collectionSponsoring.test.ts
@@ -54,7 +54,7 @@
   // itWeb3('Set substrate sponsor', async ({api, web3, privateKeyWrapper}) => {
   //   const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
   //   const collectionHelpers = evmCollectionHelpers(web3, owner);
-  //   let result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send();
+  //   let result = await collectionHelpers.methods.createNFTCollection('Sponsor collection', '1', '1').send();
   //   const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
   //   const sponsor = privateKeyWrapper('//Alice');
   //   const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
@@ -75,7 +75,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor);
     const collectionHelpers = helper.ethNativeContract.collectionHelpers(owner);
 
-    let result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send({value: Number(2n * nominal)});
+    let result = await collectionHelpers.methods.createNFTCollection('Sponsor collection', '1', '1').send({value: Number(2n * nominal)});
     const collectionIdAddress = helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
     const sponsor = await helper.eth.createAccountWithBalance(donor);
     const collectionEvm = helper.ethNativeContract.collection(collectionIdAddress, 'nft', owner);
@@ -97,7 +97,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor);
     const collectionHelpers = helper.ethNativeContract.collectionHelpers(owner);
 
-    let result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send({value: Number(2n * nominal)});
+    let result = await collectionHelpers.methods.createERC721MetadataNFTCollection('Sponsor collection', '1', '1', '').send({value: Number(2n * nominal)});
     const collectionIdAddress = helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
     const collectionId = helper.ethAddress.extractCollectionId(collectionIdAddress);
     const collection = helper.nft.getCollectionObject(collectionId);
@@ -167,7 +167,7 @@
   // itWeb3('Sponsoring collection from substrate address via access list', async ({api, web3, privateKeyWrapper}) => {
   //   const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
   //   const collectionHelpers = evmCollectionHelpers(web3, owner);
-  //   const result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send();
+  //   const result = await collectionHelpers.methods.createERC721MetadataNFTCollection('Sponsor collection', '1', '1', '').send();
   //   const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
   //   const sponsor = privateKeyWrapper('//Alice');
   //   const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
@@ -223,7 +223,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor);
     const collectionHelpers = helper.ethNativeContract.collectionHelpers(owner);
 
-    let result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send({value: Number(2n * nominal)});
+    let result = await collectionHelpers.methods.createERC721MetadataNFTCollection('Sponsor collection', '1', '1', '').send({value: Number(2n * nominal)});
     const collectionIdAddress = helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
     const collectionId = helper.ethAddress.extractCollectionId(collectionIdAddress);
     const collection = helper.nft.getCollectionObject(collectionId);

--- a/tests/src/eth/createNFTCollection.test.ts
+++ b/tests/src/eth/createNFTCollection.test.ts
@@ -37,7 +37,7 @@
 
     // todo:playgrounds this might fail when in async environment.
     const collectionCountBefore = +(await helper.callRpc('api.rpc.unique.collectionStats')).created;
-    const {collectionId} = await helper.eth.createNonfungibleCollection(owner, name, description, prefix);
+    const {collectionId} = await helper.eth.createNFTCollection(owner, name, description, prefix);
     const collectionCountAfter = +(await helper.callRpc('api.rpc.unique.collectionStats')).created;
 
     const collection = helper.nft.getCollectionObject(collectionId);
@@ -64,7 +64,7 @@
       .call()).to.be.false;
 
     await collectionHelpers.methods
-      .createNonfungibleCollection('A', 'A', 'A')
+      .createNFTCollection('A', 'A', 'A')
       .send({value: Number(2n * helper.balance.getOneTokenNominal())});
     
     expect(await collectionHelpers.methods
@@ -76,7 +76,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor);
     const sponsor = await helper.eth.createAccountWithBalance(donor);
     const ss58Format = helper.chain.getChainProperties().ss58Format;
-    const {collectionId, collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'Sponsor', 'absolutely anything', 'ROC');
+    const {collectionId, collectionAddress} = await helper.eth.createNFTCollection(owner, 'Sponsor', 'absolutely anything', 'ROC');
 
     const collection = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
     await collection.methods.setCollectionSponsor(sponsor).send();
@@ -95,7 +95,7 @@
 
   itEth('Set limits', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionId, collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'Limits', 'absolutely anything', 'FLO');
+    const {collectionId, collectionAddress} = await helper.eth.createNFTCollection(owner, 'Limits', 'absolutely anything', 'FLO');
     const limits = {
       accountTokenOwnershipLimit: 1000,
       sponsoredDataSize: 1024,
@@ -138,7 +138,7 @@
       .methods.isCollectionExist(collectionAddressForNonexistentCollection).call())
       .to.be.false;
     
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'Exister', 'absolutely anything', 'EVC');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'Exister', 'absolutely anything', 'EVC');
     expect(await helper.ethNativeContract.collectionHelpers(collectionAddress)
       .methods.isCollectionExist(collectionAddress).call())
       .to.be.true;
@@ -166,7 +166,7 @@
       const tokenPrefix = 'A';
 
       await expect(collectionHelper.methods
-        .createNonfungibleCollection(collectionName, description, tokenPrefix)
+        .createNFTCollection(collectionName, description, tokenPrefix)
         .call({value: Number(2n * nominal)})).to.be.rejectedWith('name is too long. Max length is ' + MAX_NAME_LENGTH);
       
     }
@@ -176,7 +176,7 @@
       const description = 'A'.repeat(MAX_DESCRIPTION_LENGTH + 1);
       const tokenPrefix = 'A';
       await expect(collectionHelper.methods
-        .createNonfungibleCollection(collectionName, description, tokenPrefix)
+        .createNFTCollection(collectionName, description, tokenPrefix)
         .call({value: Number(2n * nominal)})).to.be.rejectedWith('description is too long. Max length is ' + MAX_DESCRIPTION_LENGTH);
     }
     {
@@ -185,7 +185,7 @@
       const description = 'A';
       const tokenPrefix = 'A'.repeat(MAX_TOKEN_PREFIX_LENGTH + 1);
       await expect(collectionHelper.methods
-        .createNonfungibleCollection(collectionName, description, tokenPrefix)
+        .createNFTCollection(collectionName, description, tokenPrefix)
         .call({value: Number(2n * nominal)})).to.be.rejectedWith('token_prefix is too long. Max length is ' + MAX_TOKEN_PREFIX_LENGTH);
     }
   });
@@ -194,14 +194,14 @@
     const owner = await helper.eth.createAccountWithBalance(donor);
     const collectionHelper = helper.ethNativeContract.collectionHelpers(owner);
     await expect(collectionHelper.methods
-      .createNonfungibleCollection('Peasantry', 'absolutely anything', 'CVE')
+      .createNFTCollection('Peasantry', 'absolutely anything', 'CVE')
       .call({value: Number(1n * nominal)})).to.be.rejectedWith('Sent amount not equals to collection creation price (2000000000000000000)');
   });
 
   itEth('(!negative test!) Check owner', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
     const malfeasant = helper.eth.createAccount();
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'Transgressed', 'absolutely anything', 'COR');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'Transgressed', 'absolutely anything', 'COR');
     const malfeasantCollection = helper.ethNativeContract.collection(collectionAddress, 'nft', malfeasant);
     const EXPECTED_ERROR = 'NoPermission';
     {
@@ -224,7 +224,7 @@
 
   itEth('(!negative test!) Set limits', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'Limits', 'absolutely anything', 'OLF');
+    const {collectionAddress} = await helper.eth.createNFTCollection(owner, 'Limits', 'absolutely anything', 'OLF');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
     await expect(collectionEvm.methods
       .setCollectionLimit('badLimit', 'true')

--- a/tests/src/eth/createRFTCollection.test.ts
+++ b/tests/src/eth/createRFTCollection.test.ts
@@ -39,7 +39,7 @@
   
     // todo:playgrounds this might fail when in async environment.
     const collectionCountBefore = +(await helper.callRpc('api.rpc.unique.collectionStats')).created;
-    const {collectionId} = await helper.eth.createRefungibleCollection(owner, name, description, prefix);
+    const {collectionId} = await helper.eth.createRFTCollection(owner, name, description, prefix);
     const collectionCountAfter = +(await helper.callRpc('api.rpc.unique.collectionStats')).created;
   
     const data = (await helper.rft.getData(collectionId))!;
@@ -77,7 +77,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor);
     const sponsor = await helper.eth.createAccountWithBalance(donor);
     const ss58Format = helper.chain.getChainProperties().ss58Format;
-    const {collectionId, collectionAddress} = await helper.eth.createRefungibleCollection(owner, 'Sponsor', 'absolutely anything', 'ENVY');
+    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(owner, 'Sponsor', 'absolutely anything', 'ENVY');
 
     const collection = helper.ethNativeContract.collection(collectionAddress, 'rft', owner);
     await collection.methods.setCollectionSponsor(sponsor).send();
@@ -96,7 +96,7 @@
 
   itEth('Set limits', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionId, collectionAddress} = await helper.eth.createRefungibleCollection(owner, 'Limits', 'absolutely anything', 'INSI');
+    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(owner, 'Limits', 'absolutely anything', 'INSI');
     const limits = {
       accountTokenOwnershipLimit: 1000,
       sponsoredDataSize: 1024,
@@ -139,7 +139,7 @@
       .methods.isCollectionExist(collectionAddressForNonexistentCollection).call())
       .to.be.false;
     
-    const {collectionAddress} = await helper.eth.createRefungibleCollection(owner, 'Exister', 'absolutely anything', 'WIWT');
+    const {collectionAddress} = await helper.eth.createRFTCollection(owner, 'Exister', 'absolutely anything', 'WIWT');
     expect(await helper.ethNativeContract.collectionHelpers(collectionAddress)
       .methods.isCollectionExist(collectionAddress).call())
       .to.be.true;
@@ -202,7 +202,7 @@
   itEth('(!negative test!) Check owner', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
     const peasant = helper.eth.createAccount();
-    const {collectionAddress} = await helper.eth.createRefungibleCollection(owner, 'Transgressed', 'absolutely anything', 'YVNE');
+    const {collectionAddress} = await helper.eth.createRFTCollection(owner, 'Transgressed', 'absolutely anything', 'YVNE');
     const peasantCollection = helper.ethNativeContract.collection(collectionAddress, 'rft', peasant);
     const EXPECTED_ERROR = 'NoPermission';
     {
@@ -225,7 +225,7 @@
 
   itEth('(!negative test!) Set limits', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress} = await helper.eth.createRefungibleCollection(owner, 'Limits', 'absolutely anything', 'ISNI');
+    const {collectionAddress} = await helper.eth.createRFTCollection(owner, 'Limits', 'absolutely anything', 'ISNI');
     const collectionEvm = helper.ethNativeContract.collection(collectionAddress, 'rft', owner);
     await expect(collectionEvm.methods
       .setCollectionLimit('badLimit', 'true')

--- a/tests/src/eth/evmCoder.test.ts
+++ b/tests/src/eth/evmCoder.test.ts
@@ -65,7 +65,7 @@
   
   itEth('Call non-existing function', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const collection = await helper.eth.createNonfungibleCollection(owner, 'EVMCODER', '', 'TEST');
+    const collection = await helper.eth.createNFTCollection(owner, 'EVMCODER', '', 'TEST');
     const contract = await helper.ethContract.deployByCode(owner, 'Test', getContractSource(collection.collectionAddress, '0x1bfed5D614b886b9Ab2eA4CBAc22A96B7EC29c9c'));
     const testContract = await helper.ethContract.deployByCode(owner, 'Test', getContractSource(collection.collectionAddress, contract.options.address));
     {

--- a/tests/src/eth/fractionalizer/fractionalizer.test.ts
+++ b/tests/src/eth/fractionalizer/fractionalizer.test.ts
@@ -62,7 +62,7 @@
 const mintRFTToken = async (helper: EthUniqueHelper, owner: string, fractionalizer: Contract, amount: bigint): Promise<{
   nftCollectionAddress: string, nftTokenId: number, rftTokenAddress: string
 }> => {
-  const nftCollection = await helper.eth.createNonfungibleCollection(owner, 'nft', 'NFT collection', 'NFT');
+  const nftCollection = await helper.eth.createNFTCollection(owner, 'nft', 'NFT collection', 'NFT');
   const nftContract = helper.ethNativeContract.collection(nftCollection.collectionAddress, 'nft', owner);
   const nftTokenId = await nftContract.methods.nextTokenId().call();
   await nftContract.methods.mint(owner, nftTokenId).send({from: owner});
@@ -92,7 +92,7 @@
   itEth('Set RFT collection', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor, 10n);
     const fractionalizer = await deployContract(helper, owner);
-    const rftCollection = await helper.eth.createRefungibleCollection(owner, 'rft', 'RFT collection', 'RFT');
+    const rftCollection = await helper.eth.createRFTCollection(owner, 'rft', 'RFT collection', 'RFT');
     const rftContract = helper.ethNativeContract.collection(rftCollection.collectionAddress, 'rft', owner);
 
     await rftContract.methods.addCollectionAdmin(fractionalizer.options.address).send({from: owner});
@@ -121,7 +121,7 @@
   itEth('Set Allowlist', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
     const {contract: fractionalizer} = await initContract(helper, owner);
-    const nftCollection = await helper.eth.createNonfungibleCollection(owner, 'nft', 'NFT collection', 'NFT');
+    const nftCollection = await helper.eth.createNFTCollection(owner, 'nft', 'NFT collection', 'NFT');
 
     const result1 = await fractionalizer.methods.setNftCollectionIsAllowed(nftCollection.collectionAddress, true).send({from: owner});
     expect(result1.events).to.be.like({
@@ -146,7 +146,7 @@
   itEth('NFT to RFT', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
 
-    const nftCollection = await helper.eth.createNonfungibleCollection(owner, 'nft', 'NFT collection', 'NFT');
+    const nftCollection = await helper.eth.createNFTCollection(owner, 'nft', 'NFT collection', 'NFT');
     const nftContract = helper.ethNativeContract.collection(nftCollection.collectionAddress, 'nft', owner);
     const nftTokenId = await nftContract.methods.nextTokenId().call();
     await nftContract.methods.mint(owner, nftTokenId).send({from: owner});
@@ -231,7 +231,7 @@
 
   itEth('call setRFTCollection twice', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
-    const rftCollection = await helper.eth.createRefungibleCollection(owner, 'rft', 'RFT collection', 'RFT');
+    const rftCollection = await helper.eth.createRFTCollection(owner, 'rft', 'RFT collection', 'RFT');
     const refungibleContract = helper.ethNativeContract.collection(rftCollection.collectionAddress, 'rft', owner);
 
     const fractionalizer = await deployContract(helper, owner);
@@ -244,7 +244,7 @@
 
   itEth('call setRFTCollection with NFT collection', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
-    const nftCollection = await helper.eth.createNonfungibleCollection(owner, 'nft', 'NFT collection', 'NFT');
+    const nftCollection = await helper.eth.createNFTCollection(owner, 'nft', 'NFT collection', 'NFT');
     const nftContract = helper.ethNativeContract.collection(nftCollection.collectionAddress, 'nft', owner);
 
     const fractionalizer = await deployContract(helper, owner);
@@ -257,7 +257,7 @@
   itEth('call setRFTCollection while not collection admin', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
     const fractionalizer = await deployContract(helper, owner);
-    const rftCollection = await helper.eth.createRefungibleCollection(owner, 'rft', 'RFT collection', 'RFT');
+    const rftCollection = await helper.eth.createRFTCollection(owner, 'rft', 'RFT collection', 'RFT');
 
     await expect(fractionalizer.methods.setRFTCollection(rftCollection.collectionAddress).call())
       .to.be.rejectedWith(/Fractionalizer contract should be an admin of the collection$/g);
@@ -278,7 +278,7 @@
   itEth('call nft2rft without setting RFT collection for contract', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
 
-    const nftCollection = await helper.eth.createNonfungibleCollection(owner, 'nft', 'NFT collection', 'NFT');
+    const nftCollection = await helper.eth.createNFTCollection(owner, 'nft', 'NFT collection', 'NFT');
     const nftContract = helper.ethNativeContract.collection(nftCollection.collectionAddress, 'nft', owner);
     const nftTokenId = await nftContract.methods.nextTokenId().call();
     await nftContract.methods.mint(owner, nftTokenId).send({from: owner});
@@ -293,7 +293,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
     const nftOwner = await helper.eth.createAccountWithBalance(donor, 10n);
 
-    const nftCollection = await helper.eth.createNonfungibleCollection(owner, 'nft', 'NFT collection', 'NFT');
+    const nftCollection = await helper.eth.createNFTCollection(owner, 'nft', 'NFT collection', 'NFT');
     const nftContract = helper.ethNativeContract.collection(nftCollection.collectionAddress, 'nft', owner);
     const nftTokenId = await nftContract.methods.nextTokenId().call();
     await nftContract.methods.mint(owner, nftTokenId).send({from: owner});
@@ -310,7 +310,7 @@
   itEth('call nft2rft while not in list of allowed accounts', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
 
-    const nftCollection = await helper.eth.createNonfungibleCollection(owner, 'nft', 'NFT collection', 'NFT');
+    const nftCollection = await helper.eth.createNFTCollection(owner, 'nft', 'NFT collection', 'NFT');
     const nftContract = helper.ethNativeContract.collection(nftCollection.collectionAddress, 'nft', owner);
     const nftTokenId = await nftContract.methods.nextTokenId().call();
     await nftContract.methods.mint(owner, nftTokenId).send({from: owner});
@@ -325,7 +325,7 @@
   itEth('call nft2rft while fractionalizer doesnt have approval for nft token', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
 
-    const nftCollection = await helper.eth.createNonfungibleCollection(owner, 'nft', 'NFT collection', 'NFT');
+    const nftCollection = await helper.eth.createNFTCollection(owner, 'nft', 'NFT collection', 'NFT');
     const nftContract = helper.ethNativeContract.collection(nftCollection.collectionAddress, 'nft', owner);
     const nftTokenId = await nftContract.methods.nextTokenId().call();
     await nftContract.methods.mint(owner, nftTokenId).send({from: owner});
@@ -341,7 +341,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
 
     const fractionalizer = await deployContract(helper, owner);
-    const rftCollection = await helper.eth.createRefungibleCollection(owner, 'rft', 'RFT collection', 'RFT');
+    const rftCollection = await helper.eth.createRFTCollection(owner, 'rft', 'RFT collection', 'RFT');
     const refungibleContract = helper.ethNativeContract.collection(rftCollection.collectionAddress, 'rft', owner);
     const rftTokenId = await refungibleContract.methods.nextTokenId().call();
     await refungibleContract.methods.mint(owner, rftTokenId).send({from: owner});
@@ -354,7 +354,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
 
     const {contract: fractionalizer} = await initContract(helper, owner);
-    const rftCollection = await helper.eth.createRefungibleCollection(owner, 'rft', 'RFT collection', 'RFT');
+    const rftCollection = await helper.eth.createRFTCollection(owner, 'rft', 'RFT collection', 'RFT');
     const refungibleContract = helper.ethNativeContract.collection(rftCollection.collectionAddress, 'rft', owner);
     const rftTokenId = await refungibleContract.methods.nextTokenId().call();
     await refungibleContract.methods.mint(owner, rftTokenId).send({from: owner});
@@ -365,7 +365,7 @@
 
   itEth('call rft2nft for RFT token that was not minted by fractionalizer contract', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor, 20n);
-    const rftCollection = await helper.eth.createRefungibleCollection(owner, 'rft', 'RFT collection', 'RFT');
+    const rftCollection = await helper.eth.createRFTCollection(owner, 'rft', 'RFT collection', 'RFT');
     const refungibleContract = helper.ethNativeContract.collection(rftCollection.collectionAddress, 'rft', owner);
 
     const fractionalizer = await deployContract(helper, owner);
@@ -432,7 +432,7 @@
     await fractionalizer.methods.setRFTCollection(rftCollectionAddress).send({from: owner});
     await helper.executeExtrinsic(donor, 'api.tx.unique.setTransfersEnabledFlag', [rftCollection.collectionId, false], true);
 
-    const nftCollection = await helper.eth.createNonfungibleCollection(owner, 'nft', 'NFT collection', 'NFT');
+    const nftCollection = await helper.eth.createNFTCollection(owner, 'nft', 'NFT collection', 'NFT');
     const nftContract = helper.ethNativeContract.collection(nftCollection.collectionAddress, 'nft', owner);
     const nftTokenId = await nftContract.methods.nextTokenId().call();
     await nftContract.methods.mint(owner, nftTokenId).send({from: owner});

--- a/tests/src/eth/nesting/nest.test.ts
+++ b/tests/src/eth/nesting/nest.test.ts
@@ -7,7 +7,7 @@
   helper: EthUniqueHelper,
   owner: string,
 ): Promise<{ collectionId: number, collectionAddress: string, contract: Contract }> => {
-  const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');
+  const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
   const contract = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
   await contract.methods.setCollectionNesting(true).send({from: owner});

--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -84,7 +84,7 @@
     const receiver = helper.eth.createAccount();
 
     const collectionHelper = helper.ethNativeContract.collectionHelpers(owner);
-    let result = await collectionHelper.methods.createERC721MetadataCompatibleCollection('Mint collection', 'a', 'b', tokenPrefix).send({value: Number(2n * helper.balance.getOneTokenNominal())});
+    let result = await collectionHelper.methods.createERC721MetadataNFTCollection('Mint collection', 'a', 'b', tokenPrefix).send({value: Number(2n * helper.balance.getOneTokenNominal())});
     const collectionAddress = helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
     const contract = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
     
@@ -146,7 +146,7 @@
     const owner = await helper.eth.createAccountWithBalance(donor);
     const receiver = helper.eth.createAccount();
 
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'Minty', '6', '6');
+    const {collectionAddress} = await helper.eth.createERC721MetadataNFTCollection(owner, 'Mint collection', '6', '6', '');
     const contract = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
     const nextTokenId = await contract.methods.nextTokenId().call();
 

--- a/tests/src/eth/payable.test.ts
+++ b/tests/src/eth/payable.test.ts
@@ -146,7 +146,7 @@
     const caller = await helper.eth.createAccountWithBalance(donor);
     const contract = await deployProxyContract(helper, deployer);
 
-    const collectionAddress = (await contract.methods.createNonfungibleCollection().send({from: caller, value: Number(CONTRACT_BALANCE)})).events.CollectionCreated.returnValues.collection;
+    const collectionAddress = (await contract.methods.createNFTCollection().send({from: caller, value: Number(CONTRACT_BALANCE)})).events.CollectionCreated.returnValues.collection;
     const initialCallerBalance = await helper.balance.getEthereum(caller);
     const initialContractBalance = await helper.balance.getEthereum(contract.options.address);
     await contract.methods.mintNftToken(collectionAddress).send({from: caller});
@@ -164,7 +164,7 @@
 
     const initialCallerBalance = await helper.balance.getEthereum(caller);
     const initialContractBalance = await helper.balance.getEthereum(contract.options.address);
-    await contract.methods.createNonfungibleCollection().send({from: caller, value: Number(CONTRACT_BALANCE)});
+    await contract.methods.createNFTCollection().send({from: caller, value: Number(CONTRACT_BALANCE)});
     const finalCallerBalance = await helper.balance.getEthereum(caller);
     const finalContractBalance = await helper.balance.getEthereum(contract.options.address);
     expect(finalCallerBalance < initialCallerBalance).to.be.true;
@@ -177,8 +177,8 @@
     const caller = await helper.eth.createAccountWithBalance(donor);
     const collectionHelper = helper.ethNativeContract.collectionHelpers(caller);
         
-    await expect(collectionHelper.methods.createNonfungibleCollection('A', 'B', 'C').call({value: Number(SMALL_FEE)})).to.be.rejectedWith('Sent amount not equals to collection creation price (2000000000000000000)');
-    await expect(collectionHelper.methods.createNonfungibleCollection('A', 'B', 'C').call({value: Number(BIG_FEE)})).to.be.rejectedWith('Sent amount not equals to collection creation price (2000000000000000000)');
+    await expect(collectionHelper.methods.createNFTCollection('A', 'B', 'C').call({value: Number(SMALL_FEE)})).to.be.rejectedWith('Sent amount not equals to collection creation price (2000000000000000000)');
+    await expect(collectionHelper.methods.createNFTCollection('A', 'B', 'C').call({value: Number(BIG_FEE)})).to.be.rejectedWith('Sent amount not equals to collection creation price (2000000000000000000)');
   });
 
   itEth('Negative test: call createRFTCollection with wrong fee', async({helper}) => {
@@ -227,9 +227,9 @@
           InnerContract(innerContract).flip();
         }
 
-        function createNonfungibleCollection() external payable {
+        function createNFTCollection() external payable {
           address collectionHelpers = 0x6C4E9fE1AE37a41E93CEE429e8E1881aBdcbb54F;
-		      address nftCollection = CollectionHelpers(collectionHelpers).createNonfungibleCollection{value: msg.value}("A", "B", "C");
+		      address nftCollection = CollectionHelpers(collectionHelpers).createNFTCollection{value: msg.value}("A", "B", "C");
           emit CollectionCreated(nftCollection);
         }
 

--- a/tests/src/eth/proxy/nonFungibleProxy.test.ts
+++ b/tests/src/eth/proxy/nonFungibleProxy.test.ts
@@ -101,7 +101,7 @@
 
   itEth('Can perform mint()', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
-    const {collectionAddress} = await helper.eth.createNonfungibleCollection(owner, 'A', 'A', 'A');
+    const {collectionAddress} = await helper.eth.createERC721MetadataNFTCollection(owner, 'A', 'A', 'A', '');
     const caller = await helper.eth.createAccountWithBalance(donor);
     const receiver = helper.eth.createAccount();
 

--- a/tests/src/eth/reFungibleToken.test.ts
+++ b/tests/src/eth/reFungibleToken.test.ts
@@ -81,7 +81,7 @@
     const receiver = helper.eth.createAccount();
 
     const collectionHelper = helper.ethNativeContract.collectionHelpers(owner);
-    let result = await collectionHelper.methods.createERC721MetadataCompatibleCollection('Mint collection', 'a', 'b', tokenPrefix).send({value: Number(2n * helper.balance.getOneTokenNominal())});
+    let result = await collectionHelper.methods.createERC721MetadataNFTCollection('Mint collection', 'a', 'b', tokenPrefix).send({value: Number(2n * helper.balance.getOneTokenNominal())});
     const collectionAddress = helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
     const contract = helper.ethNativeContract.collection(collectionAddress, 'rft', owner);
     
@@ -294,7 +294,7 @@
   itEth('Receiving Transfer event on burning into full ownership', async ({helper}) => {
     const caller = await helper.eth.createAccountWithBalance(donor);
     const receiver = await helper.eth.createAccountWithBalance(donor);
-    const {collectionId, collectionAddress} = await helper.eth.createRefungibleCollection(caller, 'Devastation', '6', '6');
+    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(caller, 'Devastation', '6', '6');
     const contract = helper.ethNativeContract.collection(collectionAddress, 'rft', caller);
 
     const tokenId = await contract.methods.nextTokenId().call();
@@ -479,7 +479,7 @@
   itEth('Default parent token address and id', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
 
-    const {collectionId, collectionAddress} = await helper.eth.createRefungibleCollection(owner, 'Sands', '', 'GRAIN');
+    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(owner, 'Sands', '', 'GRAIN');
     const collectionContract = helper.ethNativeContract.collection(collectionAddress, 'rft', owner);
     
     const tokenId = await collectionContract.methods.nextTokenId().call();

--- a/tests/src/eth/util/playgrounds/unique.dev.ts
+++ b/tests/src/eth/util/playgrounds/unique.dev.ts
@@ -174,11 +174,23 @@
     return await this.helper.callRpc('api.rpc.eth.call', [{from: signer, to: contractAddress, data: abi}]);
   }
 
-  async createNonfungibleCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{collectionId: number, collectionAddress: string}> {
+  async createNFTCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{collectionId: number, collectionAddress: string}> {
     const collectionCreationPrice = this.helper.balance.getCollectionCreationPrice();
     const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);
         
-    const result = await collectionHelper.methods.createNonfungibleCollection(name, description, tokenPrefix).send({value: Number(collectionCreationPrice)});
+    const result = await collectionHelper.methods.createNFTCollection(name, description, tokenPrefix).send({value: Number(collectionCreationPrice)});
+
+    const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
+    const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);
+
+    return {collectionId, collectionAddress};
+  }
+
+  async createERC721MetadataNFTCollection(signer: string, name: string, description: string, tokenPrefix: string, baseUri: string): Promise<{collectionId: number, collectionAddress: string}> {
+    const collectionCreationPrice = this.helper.balance.getCollectionCreationPrice();
+    const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);
+        
+    const result = await collectionHelper.methods.createERC721MetadataNFTCollection(name, description, tokenPrefix, baseUri).send({value: Number(collectionCreationPrice)});
 
     const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
     const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);
@@ -186,7 +198,7 @@
     return {collectionId, collectionAddress};
   }
 
-  async createRefungibleCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{collectionId: number, collectionAddress: string}> {
+  async createRFTCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{collectionId: number, collectionAddress: string}> {
     const collectionCreationPrice = this.helper.balance.getCollectionCreationPrice();
     const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);
         
@@ -198,6 +210,18 @@
     return {collectionId, collectionAddress};
   }
 
+  async createERC721MetadataRFTCollection(signer: string, name: string, description: string, tokenPrefix: string, baseUri: string): Promise<{collectionId: number, collectionAddress: string}> {
+    const collectionCreationPrice = this.helper.balance.getCollectionCreationPrice();
+    const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);
+        
+    const result = await collectionHelper.methods.createERC721MetadataRFTCollection(name, description, tokenPrefix, baseUri).send({value: Number(collectionCreationPrice)});
+
+    const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
+    const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);
+
+    return {collectionId, collectionAddress};
+  }
+
   async deployCollectorContract(signer: string): Promise<Contract> {
     return await this.helper.ethContract.deployByCode(signer, 'Collector', `
     // SPDX-License-Identifier: UNLICENSED

--- a/tests/src/nesting/properties.test.ts
+++ b/tests/src/nesting/properties.test.ts
@@ -18,6 +18,52 @@
 import {itSub, Pallets, requirePalletsOrSkip, usingPlaygrounds, expect} from '../util/playgrounds';
 import {UniqueHelper, UniqueBaseCollection, UniqueNFTCollection, UniqueNFToken, UniqueRFTCollection, UniqueRFToken} from '../util/playgrounds/unique';
 
+
+describe('Composite Properties Test', () => {
+  let alice: IKeyringPair;
+
+  before(async () => {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = privateKey('//Alice');
+      [alice] = await helper.arrange.createAccounts([50n], donor);
+    });
+  });
+
+  async function testMakeSureSuppliesRequired(baseCollection: UniqueNFTCollection | UniqueRFTCollection) {
+
+    const collectionOption = await baseCollection.getOptions();
+    expect(collectionOption).is.not.null;
+    let collection = collectionOption;
+    expect(collection.tokenPropertyPermissions).to.be.empty;
+    expect(collection.properties).to.be.deep.equal([{key: 'ERC721Metadata', value: '1'}]);
+
+    const propertyPermissions = [
+      {key: 'mindgame', permission: {collectionAdmin: true, mutable: false, tokenOwner: true}},
+      {key: 'skullduggery', permission: {collectionAdmin: false, mutable: true, tokenOwner: false}},
+    ];
+    await expect(await baseCollection.setTokenPropertyPermissions(alice, propertyPermissions)).to.be.true;
+
+    const collectionProperties = [
+      {key: 'ERC721Metadata', value: '1'}, 
+      {key: 'black_hole', value: 'LIGO'},
+      {key: 'electron', value: 'come bond'}, 
+    ];
+    
+    await expect(await baseCollection.setProperties(alice, collectionProperties)).to.be.true;
+
+    collection = await baseCollection.getOptions();
+    expect(collection.tokenPropertyPermissions).to.be.deep.equal(propertyPermissions);
+    expect(collection.properties).to.be.deep.equal(collectionProperties);
+  }
+
+  itSub('Makes sure collectionById supplies required fields for NFT',  async ({helper}) => {
+    await testMakeSureSuppliesRequired(await helper.nft.mintCollection(alice, {name: 'A', description: 'B', tokenPrefix: 'C'}));
+  });
+
+  itSub.ifWithPallets('Makes sure collectionById supplies required fields for ReFungible', [Pallets.ReFungible],  async ({helper}) => {
+    await testMakeSureSuppliesRequired(await helper.rft.mintCollection(alice, {name: 'A', description: 'B', tokenPrefix: 'C'}));
+  });
+});
 // ---------- COLLECTION PROPERTIES
 
 describe('Integration Test: Collection Properties', () => {
@@ -33,7 +79,11 @@
 
   itSub('Properties are initially empty', async ({helper}) => {
     const collection = await helper.nft.mintCollection(alice);
-    expect(await collection.getProperties()).to.be.empty;
+    const properties = await collection.getProperties();
+    expect(properties).to.be.deep.equal([{
+      'key': 'ERC721Metadata',
+      'value': '1',
+    }]);
   });
 
   async function testSetsPropertiesForCollection(collection: UniqueBaseCollection) {
@@ -150,7 +200,11 @@
     await expect(collection.setProperties(bob, [{key: 'electron', value: 'come bond'}, {key: 'black_hole', value: 'LIGO'}]))
       .to.be.rejectedWith(/common\.NoPermission/);
 
-    expect(await collection.getProperties()).to.be.empty;
+    const properties = await collection.getProperties();
+    expect(properties).to.be.deep.equal([{
+      'key': 'ERC721Metadata',
+      'value': '1',
+    }]);
   }
 
   itSub('Fails to set properties in a NFT collection if not its onwer/administrator', async ({helper}) =>  {
@@ -202,7 +256,11 @@
     await expect(collection.setProperties(alice, propertiesToBeSet)).
       to.be.rejectedWith(/common\.PropertyLimitReached/);
 
-    expect(await collection.getProperties()).to.be.empty;
+    const properties = await collection.getProperties();
+    expect(properties).to.be.deep.equal([{
+      'key': 'ERC721Metadata',
+      'value': '1',
+    }]);
   }
 
   itSub('Fails to set more properties than it is allowed (NFT)', async ({helper}) =>  {

--- a/tests/src/util/playgrounds/unique.ts
+++ b/tests/src/util/playgrounds/unique.ts
@@ -981,6 +981,10 @@
     return (await this.helper.callRpc('api.rpc.unique.collectionProperties', [collectionId, propertyKeys])).toHuman();
   }
 
+  async getCollectionOptions(collectionId: number) {
+    return (await this.helper.callRpc('api.rpc.unique.collectionById', [collectionId])).toHuman();
+  }
+
   /**
    * Deletes onchain properties from the collection.
    *
@@ -1293,6 +1297,7 @@
   async mintCollection(signer: TSigner, collectionOptions: ICollectionCreationOptions, mode: 'NFT' | 'RFT'): Promise<UniqueBaseCollection> {
     collectionOptions = JSON.parse(JSON.stringify(collectionOptions)) as ICollectionCreationOptions; // Clone object
     collectionOptions.mode = (mode === 'NFT') ? {nft: null} : {refungible: null};
+    collectionOptions.properties = collectionOptions.properties || [{key: 'ERC721Metadata', value: '1'}];
     for (const key of ['name', 'description', 'tokenPrefix']) {
       if (typeof collectionOptions[key as 'name' | 'description' | 'tokenPrefix'] === 'string') collectionOptions[key as 'name' | 'description' | 'tokenPrefix'] = this.helper.util.str2vec(collectionOptions[key as 'name' | 'description' | 'tokenPrefix'] as string);
     }
@@ -2476,6 +2481,10 @@
     return await this.helper.collection.getTokenNextSponsored(this.collectionId, tokenId, addressObj);
   }
 
+  async getOptions() {
+    return await this.helper.collection.getCollectionOptions(this.collectionId);
+  }
+
   async setSponsor(signer: TSigner, sponsorAddress: TSubstrateAccount) {
     return await this.helper.collection.setSponsor(signer, this.collectionId, sponsorAddress);
   }