git.delta.rocks / unique-network / refs/commits / 0c121c74a848

difftreelog

feat add a way to split RFT between multiple owners on mint

Grigoriy Simonov2023-09-22parent: #9425c0a.patch.diff
in: master

12 files changed

modifiedpallets/common/src/eth.rsdiffbeforeafterboth
--- a/pallets/common/src/eth.rs
+++ b/pallets/common/src/eth.rs
@@ -631,12 +631,3 @@
 		}
 	}
 }
-
-/// Token minting parameters
-#[derive(AbiCoder, Default, Debug)]
-pub struct MintTokenData {
-	/// Minted token owner
-	pub owner: CrossAddress,
-	/// Minted token properties
-	pub properties: Vec<Property>,
-}
modifiedpallets/nonfungible/src/erc.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/erc.rs
+++ b/pallets/nonfungible/src/erc.rs
@@ -26,7 +26,7 @@
 	char::{REPLACEMENT_CHARACTER, decode_utf16},
 	convert::TryInto,
 };
-use evm_coder::{abi::AbiType, ToLog, generate_stubgen, solidity_interface, types::*};
+use evm_coder::{abi::AbiType, AbiCoder, ToLog, generate_stubgen, solidity_interface, types::*};
 use frame_support::BoundedVec;
 use up_data_structs::{
 	TokenId, PropertyPermission, PropertyKeyPermission, Property, CollectionId, PropertyKey,
@@ -64,6 +64,15 @@
 	},
 }
 
+/// Token minting parameters
+#[derive(AbiCoder, Default, Debug)]
+pub struct MintTokenData {
+	/// Minted token owner
+	pub owner: eth::CrossAddress,
+	/// Minted token properties
+	pub properties: Vec<eth::Property>,
+}
+
 frontier_contract! {
 	macro_rules! NonfungibleHandle_result {...}
 	impl<T: Config> Contract for NonfungibleHandle<T> {...}
@@ -984,14 +993,14 @@
 	/// @notice Function to mint a token.
 	/// @param data Array of pairs of token owner and token's properties for minted token
 	#[weight(<SelfWeightOf<T>>::create_multiple_items(data.len() as u32) + <SelfWeightOf<T>>::set_token_properties(data.len() as u32))]
-	fn mint_bulk_cross(&mut self, caller: Caller, data: Vec<eth::MintTokenData>) -> Result<bool> {
+	fn mint_bulk_cross(&mut self, caller: Caller, data: Vec<MintTokenData>) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
 		let budget = self
 			.recorder
 			.weight_calls_budget(<StructureWeight<T>>::find_parent());
 
 		let mut create_nft_data = Vec::with_capacity(data.len());
-		for eth::MintTokenData { owner, properties } in data {
+		for MintTokenData { owner, properties } in data {
 			let owner = owner.into_sub_cross_account::<T>()?;
 			create_nft_data.push(CreateItemData::<T> {
 				properties: properties
modifiedpallets/nonfungible/src/stubs/UniqueNFT.rawdiffbeforeafterboth

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modifiedpallets/nonfungible/src/stubs/UniqueNFT.soldiffbeforeafterboth
--- a/pallets/nonfungible/src/stubs/UniqueNFT.sol
+++ b/pallets/nonfungible/src/stubs/UniqueNFT.sol
@@ -1055,8 +1055,11 @@
 	string uri;
 }
 
+/// Token minting parameters
 struct MintTokenData {
+	/// Minted token owner
 	CrossAddress owner;
+	/// Minted token properties
 	Property[] properties;
 }
 
modifiedpallets/refungible/src/erc.rsdiffbeforeafterboth
--- a/pallets/refungible/src/erc.rs
+++ b/pallets/refungible/src/erc.rs
@@ -26,7 +26,7 @@
 	char::{REPLACEMENT_CHARACTER, decode_utf16},
 	convert::TryInto,
 };
-use evm_coder::{abi::AbiType, ToLog, generate_stubgen, solidity_interface, types::*};
+use evm_coder::{abi::AbiType, AbiCoder, ToLog, generate_stubgen, solidity_interface, types::*};
 use frame_support::{BoundedBTreeMap, BoundedVec};
 use pallet_common::{
 	CollectionHandle, CollectionPropertyPermissions, CommonCollectionOperations,
@@ -71,6 +71,24 @@
 	},
 }
 
+/// Token minting parameters
+#[derive(AbiCoder, Default, Debug)]
+pub struct OwnerPieces {
+	/// Minted token owner
+	pub owner: eth::CrossAddress,
+	/// Number of token pieces
+	pub pieces: u128,
+}
+
+/// Token minting parameters
+#[derive(AbiCoder, Default, Debug)]
+pub struct MintTokenData {
+	/// Minted token owner and number of pieces
+	pub owners: Vec<OwnerPieces>,
+	/// Minted token properties
+	pub properties: Vec<eth::Property>,
+}
+
 /// @title A contract that allows to set and delete token properties and change token property permissions.
 #[solidity_interface(name = TokenProperties, events(ERC721TokenEvent), enum(derive(PreDispatch)), enum_attr(weight))]
 impl<T: Config> RefungibleHandle<T> {
@@ -1027,7 +1045,7 @@
 	fn mint_bulk_cross(
 		&mut self,
 		caller: Caller,
-		token_properties: Vec<eth::MintTokenData>,
+		token_properties: Vec<MintTokenData>,
 	) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
 		let budget = self
@@ -1035,11 +1053,11 @@
 			.weight_calls_budget(<StructureWeight<T>>::find_parent());
 
 		let mut create_rft_data = Vec::with_capacity(token_properties.len());
-		for eth::MintTokenData { owner, properties } in token_properties {
-			let owner = owner.into_sub_cross_account::<T>()?;
-			let users: BoundedBTreeMap<_, _, _> = [(owner, 1)]
+		for MintTokenData { owners, properties } in token_properties {
+			let users: BoundedBTreeMap<_, _, _> = owners
 				.into_iter()
-				.collect::<BTreeMap<_, _>>()
+				.map(|data| Ok((data.owner.into_sub_cross_account::<T>()?, data.pieces)))
+				.collect::<Result<BTreeMap<_, _>>>()?
 				.try_into()
 				.map_err(|_| "too many users")?;
 			create_rft_data.push(CreateItemData::<T> {
modifiedpallets/refungible/src/stubs/UniqueRefungible.rawdiffbeforeafterboth

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modifiedpallets/refungible/src/stubs/UniqueRefungible.soldiffbeforeafterboth
--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -800,7 +800,7 @@
 }
 
 /// @title Unique extensions for ERC721.
-/// @dev the ERC-165 identifier for this interface is 0x3e828d60
+/// @dev the ERC-165 identifier for this interface is 0x4abaabdb
 contract ERC721UniqueExtensions is Dummy, ERC165 {
 	/// @notice A descriptive name for a collection of NFTs in this contract
 	/// @dev EVM selector for this function is: 0x06fdde03,
@@ -988,8 +988,8 @@
 
 	/// @notice Function to mint a token.
 	/// @param tokenProperties Properties of minted token
-	/// @dev EVM selector for this function is: 0xab427b0c,
-	///  or in textual repr: mintBulkCross(((address,uint256),(string,bytes)[])[])
+	/// @dev EVM selector for this function is: 0xdf7a5db7,
+	///  or in textual repr: mintBulkCross((((address,uint256),uint128)[],(string,bytes)[])[])
 	function mintBulkCross(MintTokenData[] memory tokenProperties) public returns (bool) {
 		require(false, stub_error);
 		tokenProperties;
@@ -1056,11 +1056,22 @@
 	string uri;
 }
 
+/// Token minting parameters
 struct MintTokenData {
-	CrossAddress owner;
+	/// Minted token owner and number of pieces
+	OwnerPieces[] owners;
+	/// Minted token properties
 	Property[] properties;
 }
 
+/// Token minting parameters
+struct OwnerPieces {
+	/// Minted token owner
+	CrossAddress owner;
+	/// Number of token pieces
+	uint128 pieces;
+}
+
 /// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 /// @dev See https://eips.ethereum.org/EIPS/eip-721
 /// @dev the ERC-165 identifier for this interface is 0x780e9d63
modifiedtests/src/eth/abi/reFungible.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/reFungible.json
+++ b/tests/src/eth/abi/reFungible.json
@@ -453,12 +453,28 @@
         "components": [
           {
             "components": [
-              { "internalType": "address", "name": "eth", "type": "address" },
-              { "internalType": "uint256", "name": "sub", "type": "uint256" }
+              {
+                "components": [
+                  {
+                    "internalType": "address",
+                    "name": "eth",
+                    "type": "address"
+                  },
+                  {
+                    "internalType": "uint256",
+                    "name": "sub",
+                    "type": "uint256"
+                  }
+                ],
+                "internalType": "struct CrossAddress",
+                "name": "owner",
+                "type": "tuple"
+              },
+              { "internalType": "uint128", "name": "pieces", "type": "uint128" }
             ],
-            "internalType": "struct CrossAddress",
-            "name": "owner",
-            "type": "tuple"
+            "internalType": "struct OwnerPieces[]",
+            "name": "owners",
+            "type": "tuple[]"
           },
           {
             "components": [
modifiedtests/src/eth/api/UniqueNFT.soldiffbeforeafterboth
before · tests/src/eth/api/UniqueNFT.sol
1// SPDX-License-Identifier: OTHER2// This code is automatically generated34pragma solidity >=0.8.0 <0.9.0;56/// @dev common stubs holder7interface Dummy {89}1011interface ERC165 is Dummy {12	function supportsInterface(bytes4 interfaceID) external view returns (bool);13}1415/// @dev inlined interface16interface ERC721TokenEvent {17	event TokenChanged(uint256 indexed tokenId);18}1920/// @title A contract that allows to set and delete token properties and change token property permissions.21/// @dev the ERC-165 identifier for this interface is 0xde0695c222interface TokenProperties is Dummy, ERC165, ERC721TokenEvent {23	// /// @notice Set permissions for token property.24	// /// @dev Throws error if `msg.sender` is not admin or owner of the collection.25	// /// @param key Property key.26	// /// @param isMutable Permission to mutate property.27	// /// @param collectionAdmin Permission to mutate property by collection admin if property is mutable.28	// /// @param tokenOwner Permission to mutate property by token owner if property is mutable.29	// /// @dev EVM selector for this function is: 0x222d97fa,30	// ///  or in textual repr: setTokenPropertyPermission(string,bool,bool,bool)31	// function setTokenPropertyPermission(string memory key, bool isMutable, bool collectionAdmin, bool tokenOwner) external;3233	/// @notice Set permissions for token property.34	/// @dev Throws error if `msg.sender` is not admin or owner of the collection.35	/// @param permissions Permissions for keys.36	/// @dev EVM selector for this function is: 0xbd92983a,37	///  or in textual repr: setTokenPropertyPermissions((string,(uint8,bool)[])[])38	function setTokenPropertyPermissions(TokenPropertyPermission[] memory permissions) external;3940	/// @notice Get permissions for token properties.41	/// @dev EVM selector for this function is: 0xf23d7790,42	///  or in textual repr: tokenPropertyPermissions()43	function tokenPropertyPermissions() external view returns (TokenPropertyPermission[] memory);4445	// /// @notice Set token property value.46	// /// @dev Throws error if `msg.sender` has no permission to edit the property.47	// /// @param tokenId ID of the token.48	// /// @param key Property key.49	// /// @param value Property value.50	// /// @dev EVM selector for this function is: 0x1752d67b,51	// ///  or in textual repr: setProperty(uint256,string,bytes)52	// function setProperty(uint256 tokenId, string memory key, bytes memory value) external;5354	/// @notice Set token properties value.55	/// @dev Throws error if `msg.sender` has no permission to edit the property.56	/// @param tokenId ID of the token.57	/// @param properties settable properties58	/// @dev EVM selector for this function is: 0x14ed3a6e,59	///  or in textual repr: setProperties(uint256,(string,bytes)[])60	function setProperties(uint256 tokenId, Property[] memory properties) external;6162	// /// @notice Delete token property value.63	// /// @dev Throws error if `msg.sender` has no permission to edit the property.64	// /// @param tokenId ID of the token.65	// /// @param key Property key.66	// /// @dev EVM selector for this function is: 0x066111d1,67	// ///  or in textual repr: deleteProperty(uint256,string)68	// function deleteProperty(uint256 tokenId, string memory key) external;6970	/// @notice Delete token properties value.71	/// @dev Throws error if `msg.sender` has no permission to edit the property.72	/// @param tokenId ID of the token.73	/// @param keys Properties key.74	/// @dev EVM selector for this function is: 0xc472d371,75	///  or in textual repr: deleteProperties(uint256,string[])76	function deleteProperties(uint256 tokenId, string[] memory keys) external;7778	/// @notice Get token property value.79	/// @dev Throws error if key not found80	/// @param tokenId ID of the token.81	/// @param key Property key.82	/// @return Property value bytes83	/// @dev EVM selector for this function is: 0x7228c327,84	///  or in textual repr: property(uint256,string)85	function property(uint256 tokenId, string memory key) external view returns (bytes memory);86}8788/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).89struct Property {90	string key;91	bytes value;92}9394/// Ethereum representation of Token Property Permissions.95struct TokenPropertyPermission {96	/// Token property key.97	string key;98	/// Token property permissions.99	PropertyPermission[] permissions;100}101102/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) as an key and value.103struct PropertyPermission {104	/// TokenPermission field.105	TokenPermissionField code;106	/// TokenPermission value.107	bool value;108}109110/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.111enum TokenPermissionField {112	/// Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]113	Mutable,114	/// Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]115	TokenOwner,116	/// Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]117	CollectionAdmin118}119120/// @title A contract that allows you to work with collections.121/// @dev the ERC-165 identifier for this interface is 0xb34d97e9122interface Collection is Dummy, ERC165 {123	// /// Set collection property.124	// ///125	// /// @param key Property key.126	// /// @param value Propery value.127	// /// @dev EVM selector for this function is: 0x2f073f66,128	// ///  or in textual repr: setCollectionProperty(string,bytes)129	// function setCollectionProperty(string memory key, bytes memory value) external;130131	/// Set collection properties.132	///133	/// @param properties Vector of properties key/value pair.134	/// @dev EVM selector for this function is: 0x50b26b2a,135	///  or in textual repr: setCollectionProperties((string,bytes)[])136	function setCollectionProperties(Property[] memory properties) external;137138	// /// Delete collection property.139	// ///140	// /// @param key Property key.141	// /// @dev EVM selector for this function is: 0x7b7debce,142	// ///  or in textual repr: deleteCollectionProperty(string)143	// function deleteCollectionProperty(string memory key) external;144145	/// Delete collection properties.146	///147	/// @param keys Properties keys.148	/// @dev EVM selector for this function is: 0xee206ee3,149	///  or in textual repr: deleteCollectionProperties(string[])150	function deleteCollectionProperties(string[] memory keys) external;151152	/// Get collection property.153	///154	/// @dev Throws error if key not found.155	///156	/// @param key Property key.157	/// @return bytes The property corresponding to the key.158	/// @dev EVM selector for this function is: 0xcf24fd6d,159	///  or in textual repr: collectionProperty(string)160	function collectionProperty(string memory key) external view returns (bytes memory);161162	/// Get collection properties.163	///164	/// @param keys Properties keys. Empty keys for all propertyes.165	/// @return Vector of properties key/value pairs.166	/// @dev EVM selector for this function is: 0x285fb8e6,167	///  or in textual repr: collectionProperties(string[])168	function collectionProperties(string[] memory keys) external view returns (Property[] memory);169170	// /// Set the sponsor of the collection.171	// ///172	// /// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.173	// ///174	// /// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.175	// /// @dev EVM selector for this function is: 0x7623402e,176	// ///  or in textual repr: setCollectionSponsor(address)177	// function setCollectionSponsor(address sponsor) external;178179	/// Set the sponsor of the collection.180	///181	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.182	///183	/// @param sponsor Cross account address of the sponsor from whose account funds will be debited for operations with the contract.184	/// @dev EVM selector for this function is: 0x84a1d5a8,185	///  or in textual repr: setCollectionSponsorCross((address,uint256))186	function setCollectionSponsorCross(CrossAddress memory sponsor) external;187188	/// Whether there is a pending sponsor.189	/// @dev EVM selector for this function is: 0x058ac185,190	///  or in textual repr: hasCollectionPendingSponsor()191	function hasCollectionPendingSponsor() external view returns (bool);192193	/// Collection sponsorship confirmation.194	///195	/// @dev After setting the sponsor for the collection, it must be confirmed with this function.196	/// @dev EVM selector for this function is: 0x3c50e97a,197	///  or in textual repr: confirmCollectionSponsorship()198	function confirmCollectionSponsorship() external;199200	/// Remove collection sponsor.201	/// @dev EVM selector for this function is: 0x6e0326a3,202	///  or in textual repr: removeCollectionSponsor()203	function removeCollectionSponsor() external;204205	/// Get current sponsor.206	///207	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.208	/// @dev EVM selector for this function is: 0x6ec0a9f1,209	///  or in textual repr: collectionSponsor()210	function collectionSponsor() external view returns (CrossAddress memory);211212	/// Get current collection limits.213	///214	/// @return Array of collection limits215	/// @dev EVM selector for this function is: 0xf63bc572,216	///  or in textual repr: collectionLimits()217	function collectionLimits() external view returns (CollectionLimit[] memory);218219	/// Set limits for the collection.220	/// @dev Throws error if limit not found.221	/// @param limit Some limit.222	/// @dev EVM selector for this function is: 0x2316ee74,223	///  or in textual repr: setCollectionLimit((uint8,(bool,uint256)))224	function setCollectionLimit(CollectionLimit memory limit) external;225226	/// Get contract address.227	/// @dev EVM selector for this function is: 0xf6b4dfb4,228	///  or in textual repr: contractAddress()229	function contractAddress() external view returns (address);230231	/// Add collection admin.232	/// @param newAdmin Cross account administrator address.233	/// @dev EVM selector for this function is: 0x859aa7d6,234	///  or in textual repr: addCollectionAdminCross((address,uint256))235	function addCollectionAdminCross(CrossAddress memory newAdmin) external;236237	/// Remove collection admin.238	/// @param admin Cross account administrator address.239	/// @dev EVM selector for this function is: 0x6c0cd173,240	///  or in textual repr: removeCollectionAdminCross((address,uint256))241	function removeCollectionAdminCross(CrossAddress memory admin) external;242243	// /// Add collection admin.244	// /// @param newAdmin Address of the added administrator.245	// /// @dev EVM selector for this function is: 0x92e462c7,246	// ///  or in textual repr: addCollectionAdmin(address)247	// function addCollectionAdmin(address newAdmin) external;248249	// /// Remove collection admin.250	// ///251	// /// @param admin Address of the removed administrator.252	// /// @dev EVM selector for this function is: 0xfafd7b42,253	// ///  or in textual repr: removeCollectionAdmin(address)254	// function removeCollectionAdmin(address admin) external;255256	/// @dev EVM selector for this function is: 0x0b9f3890,257	///  or in textual repr: setCollectionNesting((bool,bool,address[]))258	function setCollectionNesting(CollectionNestingAndPermission memory collectionNestingAndPermissions) external;259260	// /// Toggle accessibility of collection nesting.261	// ///262	// /// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'263	// /// @dev EVM selector for this function is: 0x112d4586,264	// ///  or in textual repr: setCollectionNesting(bool)265	// function setCollectionNesting(bool enable) external;266267	// /// Toggle accessibility of collection nesting.268	// ///269	// /// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'270	// /// @param collections Addresses of collections that will be available for nesting.271	// /// @dev EVM selector for this function is: 0x64872396,272	// ///  or in textual repr: setCollectionNesting(bool,address[])273	// function setCollectionNesting(bool enable, address[] memory collections) external;274275	/// @dev EVM selector for this function is: 0x92c660a8,276	///  or in textual repr: collectionNesting()277	function collectionNesting() external view returns (CollectionNestingAndPermission memory);278279	// /// Returns nesting for a collection280	// /// @dev EVM selector for this function is: 0x22d25bfe,281	// ///  or in textual repr: collectionNestingRestrictedCollectionIds()282	// function collectionNestingRestrictedCollectionIds() external view returns (CollectionNesting memory);283284	// /// Returns permissions for a collection285	// /// @dev EVM selector for this function is: 0x5b2eaf4b,286	// ///  or in textual repr: collectionNestingPermissions()287	// function collectionNestingPermissions() external view returns (CollectionNestingPermission[] memory);288289	/// Set the collection access method.290	/// @param mode Access mode291	/// @dev EVM selector for this function is: 0x41835d4c,292	///  or in textual repr: setCollectionAccess(uint8)293	function setCollectionAccess(AccessMode mode) external;294295	/// Checks that user allowed to operate with collection.296	///297	/// @param user User address to check.298	/// @dev EVM selector for this function is: 0x91b6df49,299	///  or in textual repr: allowlistedCross((address,uint256))300	function allowlistedCross(CrossAddress memory user) external view returns (bool);301302	// /// Add the user to the allowed list.303	// ///304	// /// @param user Address of a trusted user.305	// /// @dev EVM selector for this function is: 0x67844fe6,306	// ///  or in textual repr: addToCollectionAllowList(address)307	// function addToCollectionAllowList(address user) external;308309	/// Add user to allowed list.310	///311	/// @param user User cross account address.312	/// @dev EVM selector for this function is: 0xa0184a3a,313	///  or in textual repr: addToCollectionAllowListCross((address,uint256))314	function addToCollectionAllowListCross(CrossAddress memory user) external;315316	// /// Remove the user from the allowed list.317	// ///318	// /// @param user Address of a removed user.319	// /// @dev EVM selector for this function is: 0x85c51acb,320	// ///  or in textual repr: removeFromCollectionAllowList(address)321	// function removeFromCollectionAllowList(address user) external;322323	/// Remove user from allowed list.324	///325	/// @param user User cross account address.326	/// @dev EVM selector for this function is: 0x09ba452a,327	///  or in textual repr: removeFromCollectionAllowListCross((address,uint256))328	function removeFromCollectionAllowListCross(CrossAddress memory user) external;329330	/// Switch permission for minting.331	///332	/// @param mode Enable if "true".333	/// @dev EVM selector for this function is: 0x00018e84,334	///  or in textual repr: setCollectionMintMode(bool)335	function setCollectionMintMode(bool mode) external;336337	// /// Check that account is the owner or admin of the collection338	// ///339	// /// @param user account to verify340	// /// @return "true" if account is the owner or admin341	// /// @dev EVM selector for this function is: 0x9811b0c7,342	// ///  or in textual repr: isOwnerOrAdmin(address)343	// function isOwnerOrAdmin(address user) external view returns (bool);344345	/// Check that account is the owner or admin of the collection346	///347	/// @param user User cross account to verify348	/// @return "true" if account is the owner or admin349	/// @dev EVM selector for this function is: 0x3e75a905,350	///  or in textual repr: isOwnerOrAdminCross((address,uint256))351	function isOwnerOrAdminCross(CrossAddress memory user) external view returns (bool);352353	/// Returns collection type354	///355	/// @return `Fungible` or `NFT` or `ReFungible`356	/// @dev EVM selector for this function is: 0xd34b55b8,357	///  or in textual repr: uniqueCollectionType()358	function uniqueCollectionType() external view returns (string memory);359360	/// Get collection owner.361	///362	/// @return Tuble with sponsor address and his substrate mirror.363	/// If address is canonical then substrate mirror is zero and vice versa.364	/// @dev EVM selector for this function is: 0xdf727d3b,365	///  or in textual repr: collectionOwner()366	function collectionOwner() external view returns (CrossAddress memory);367368	// /// Changes collection owner to another account369	// ///370	// /// @dev Owner can be changed only by current owner371	// /// @param newOwner new owner account372	// /// @dev EVM selector for this function is: 0x4f53e226,373	// ///  or in textual repr: changeCollectionOwner(address)374	// function changeCollectionOwner(address newOwner) external;375376	/// Get collection administrators377	///378	/// @return Vector of tuples with admins address and his substrate mirror.379	/// If address is canonical then substrate mirror is zero and vice versa.380	/// @dev EVM selector for this function is: 0x5813216b,381	///  or in textual repr: collectionAdmins()382	function collectionAdmins() external view returns (CrossAddress[] memory);383384	/// Changes collection owner to another account385	///386	/// @dev Owner can be changed only by current owner387	/// @param newOwner new owner cross account388	/// @dev EVM selector for this function is: 0x6496c497,389	///  or in textual repr: changeCollectionOwnerCross((address,uint256))390	function changeCollectionOwnerCross(CrossAddress memory newOwner) external;391}392393/// Cross account struct394struct CrossAddress {395	address eth;396	uint256 sub;397}398399/// Ethereum representation of `AccessMode` (see [`up_data_structs::AccessMode`]).400enum AccessMode {401	/// Access grant for owner and admins. Used as default.402	Normal,403	/// Like a [`Normal`](AccessMode::Normal) but also users in allow list.404	AllowList405}406407/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) field.408struct CollectionNestingPermission {409	CollectionPermissionField field;410	bool value;411}412413/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) fields as an enumeration.414enum CollectionPermissionField {415	/// Owner of token can nest tokens under it.416	TokenOwner,417	/// Admin of token collection can nest tokens under token.418	CollectionAdmin419}420421/// Nested collections.422struct CollectionNesting {423	bool token_owner;424	uint256[] ids;425}426427/// Nested collections and permissions428struct CollectionNestingAndPermission {429	/// Owner of token can nest tokens under it.430	bool token_owner;431	/// Admin of token collection can nest tokens under token.432	bool collection_admin;433	/// If set - only tokens from specified collections can be nested.434	address[] restricted;435}436437/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.438struct CollectionLimit {439	CollectionLimitField field;440	OptionUint256 value;441}442443/// Optional value444struct OptionUint256 {445	/// Shows the status of accessibility of value446	bool status;447	/// Actual value if `status` is true448	uint256 value;449}450451/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.452enum CollectionLimitField {453	/// How many tokens can a user have on one account.454	AccountTokenOwnership,455	/// How many bytes of data are available for sponsorship.456	SponsoredDataSize,457	/// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]458	SponsoredDataRateLimit,459	/// How many tokens can be mined into this collection.460	TokenLimit,461	/// Timeouts for transfer sponsoring.462	SponsorTransferTimeout,463	/// Timeout for sponsoring an approval in passed blocks.464	SponsorApproveTimeout,465	/// Whether the collection owner of the collection can send tokens (which belong to other users).466	OwnerCanTransfer,467	/// Can the collection owner burn other people's tokens.468	OwnerCanDestroy,469	/// Is it possible to send tokens from this collection between users.470	TransferEnabled471}472473/// @title ERC-721 Non-Fungible Token Standard, optional metadata extension474/// @dev See https://eips.ethereum.org/EIPS/eip-721475/// @dev the ERC-165 identifier for this interface is 0x5b5e139f476interface ERC721Metadata is Dummy, ERC165 {477	// /// @notice A descriptive name for a collection of NFTs in this contract478	// /// @dev real implementation of this function lies in `ERC721UniqueExtensions`479	// /// @dev EVM selector for this function is: 0x06fdde03,480	// ///  or in textual repr: name()481	// function name() external view returns (string memory);482483	// /// @notice An abbreviated name for NFTs in this contract484	// /// @dev real implementation of this function lies in `ERC721UniqueExtensions`485	// /// @dev EVM selector for this function is: 0x95d89b41,486	// ///  or in textual repr: symbol()487	// function symbol() external view returns (string memory);488489	/// @notice A distinct Uniform Resource Identifier (URI) for a given asset.490	///491	/// @dev If the token has a `url` property and it is not empty, it is returned.492	///  Else If the collection does not have a property with key `schemaName` or its value is not equal to `ERC721Metadata`, it return an error `tokenURI not set`.493	///  If the collection property `baseURI` is empty or absent, return "" (empty string)494	///  otherwise, if token property `suffix` present and is non-empty, return concatenation of baseURI and suffix495	///  otherwise, return concatenation of `baseURI` and stringified token id (decimal stringifying, without paddings).496	///497	/// @return token's const_metadata498	/// @dev EVM selector for this function is: 0xc87b56dd,499	///  or in textual repr: tokenURI(uint256)500	function tokenURI(uint256 tokenId) external view returns (string memory);501}502503/// @title ERC721 Token that can be irreversibly burned (destroyed).504/// @dev the ERC-165 identifier for this interface is 0x42966c68505interface ERC721Burnable is Dummy, ERC165 {506	/// @notice Burns a specific ERC721 token.507	/// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized508	///  operator of the current owner.509	/// @param tokenId The NFT to approve510	/// @dev EVM selector for this function is: 0x42966c68,511	///  or in textual repr: burn(uint256)512	function burn(uint256 tokenId) external;513}514515/// @title ERC721 minting logic.516/// @dev the ERC-165 identifier for this interface is 0x3fd94ea6517interface ERC721UniqueMintable is Dummy, ERC165 {518	/// @notice Function to mint a token.519	/// @param to The new owner520	/// @return uint256 The id of the newly minted token521	/// @dev EVM selector for this function is: 0x6a627842,522	///  or in textual repr: mint(address)523	function mint(address to) external returns (uint256);524525	// /// @notice Function to mint a token.526	// /// @dev `tokenId` should be obtained with `nextTokenId` method,527	// ///  unlike standard, you can't specify it manually528	// /// @param to The new owner529	// /// @param tokenId ID of the minted NFT530	// /// @dev EVM selector for this function is: 0x40c10f19,531	// ///  or in textual repr: mint(address,uint256)532	// function mint(address to, uint256 tokenId) external returns (bool);533534	/// @notice Function to mint token with the given tokenUri.535	/// @param to The new owner536	/// @param tokenUri Token URI that would be stored in the NFT properties537	/// @return uint256 The id of the newly minted token538	/// @dev EVM selector for this function is: 0x45c17782,539	///  or in textual repr: mintWithTokenURI(address,string)540	function mintWithTokenURI(address to, string memory tokenUri) external returns (uint256);541	// /// @notice Function to mint token with the given tokenUri.542	// /// @dev `tokenId` should be obtained with `nextTokenId` method,543	// ///  unlike standard, you can't specify it manually544	// /// @param to The new owner545	// /// @param tokenId ID of the minted NFT546	// /// @param tokenUri Token URI that would be stored in the NFT properties547	// /// @dev EVM selector for this function is: 0x50bb4e7f,548	// ///  or in textual repr: mintWithTokenURI(address,uint256,string)549	// function mintWithTokenURI(address to, uint256 tokenId, string memory tokenUri) external returns (bool);550551}552553/// @title Unique extensions for ERC721.554/// @dev the ERC-165 identifier for this interface is 0x9b397d16555interface ERC721UniqueExtensions is Dummy, ERC165 {556	/// @notice A descriptive name for a collection of NFTs in this contract557	/// @dev EVM selector for this function is: 0x06fdde03,558	///  or in textual repr: name()559	function name() external view returns (string memory);560561	/// @notice An abbreviated name for NFTs in this contract562	/// @dev EVM selector for this function is: 0x95d89b41,563	///  or in textual repr: symbol()564	function symbol() external view returns (string memory);565566	/// @notice A description for the collection.567	/// @dev EVM selector for this function is: 0x7284e416,568	///  or in textual repr: description()569	function description() external view returns (string memory);570571	// /// Returns the owner (in cross format) of the token.572	// ///573	// /// @param tokenId Id for the token.574	// /// @dev EVM selector for this function is: 0x2b29dace,575	// ///  or in textual repr: crossOwnerOf(uint256)576	// function crossOwnerOf(uint256 tokenId) external view returns (CrossAddress memory);577578	/// Returns the owner (in cross format) of the token.579	///580	/// @param tokenId Id for the token.581	/// @dev EVM selector for this function is: 0xcaa3a4d0,582	///  or in textual repr: ownerOfCross(uint256)583	function ownerOfCross(uint256 tokenId) external view returns (CrossAddress memory);584585	/// @notice Count all NFTs assigned to an owner586	/// @param owner An cross address for whom to query the balance587	/// @return The number of NFTs owned by `owner`, possibly zero588	/// @dev EVM selector for this function is: 0xec069398,589	///  or in textual repr: balanceOfCross((address,uint256))590	function balanceOfCross(CrossAddress memory owner) external view returns (uint256);591592	/// Returns the token properties.593	///594	/// @param tokenId Id for the token.595	/// @param keys Properties keys. Empty keys for all propertyes.596	/// @return Vector of properties key/value pairs.597	/// @dev EVM selector for this function is: 0xe07ede7e,598	///  or in textual repr: properties(uint256,string[])599	function properties(uint256 tokenId, string[] memory keys) external view returns (Property[] memory);600601	/// @notice Set or reaffirm the approved address for an NFT602	/// @dev The zero address indicates there is no approved address.603	/// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized604	///  operator of the current owner.605	/// @param approved The new substrate address approved NFT controller606	/// @param tokenId The NFT to approve607	/// @dev EVM selector for this function is: 0x0ecd0ab0,608	///  or in textual repr: approveCross((address,uint256),uint256)609	function approveCross(CrossAddress memory approved, uint256 tokenId) external;610611	/// @notice Transfer ownership of an NFT612	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`613	///  is the zero address. Throws if `tokenId` is not a valid NFT.614	/// @param to The new owner615	/// @param tokenId The NFT to transfer616	/// @dev EVM selector for this function is: 0xa9059cbb,617	///  or in textual repr: transfer(address,uint256)618	function transfer(address to, uint256 tokenId) external;619620	/// @notice Transfer ownership of an NFT621	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`622	///  is the zero address. Throws if `tokenId` is not a valid NFT.623	/// @param to The new owner624	/// @param tokenId The NFT to transfer625	/// @dev EVM selector for this function is: 0x2ada85ff,626	///  or in textual repr: transferCross((address,uint256),uint256)627	function transferCross(CrossAddress memory to, uint256 tokenId) external;628629	/// @notice Transfer ownership of an NFT from cross account address to cross account address630	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`631	///  is the zero address. Throws if `tokenId` is not a valid NFT.632	/// @param from Cross acccount address of current owner633	/// @param to Cross acccount address of new owner634	/// @param tokenId The NFT to transfer635	/// @dev EVM selector for this function is: 0xd5cf430b,636	///  or in textual repr: transferFromCross((address,uint256),(address,uint256),uint256)637	function transferFromCross(638		CrossAddress memory from,639		CrossAddress memory to,640		uint256 tokenId641	) external;642643	// /// @notice Burns a specific ERC721 token.644	// /// @dev Throws unless `msg.sender` is the current owner or an authorized645	// ///  operator for this NFT. Throws if `from` is not the current owner. Throws646	// ///  if `to` is the zero address. Throws if `tokenId` is not a valid NFT.647	// /// @param from The current owner of the NFT648	// /// @param tokenId The NFT to transfer649	// /// @dev EVM selector for this function is: 0x79cc6790,650	// ///  or in textual repr: burnFrom(address,uint256)651	// function burnFrom(address from, uint256 tokenId) external;652653	/// @notice Burns a specific ERC721 token.654	/// @dev Throws unless `msg.sender` is the current owner or an authorized655	///  operator for this NFT. Throws if `from` is not the current owner. Throws656	///  if `to` is the zero address. Throws if `tokenId` is not a valid NFT.657	/// @param from The current owner of the NFT658	/// @param tokenId The NFT to transfer659	/// @dev EVM selector for this function is: 0xbb2f5a58,660	///  or in textual repr: burnFromCross((address,uint256),uint256)661	function burnFromCross(CrossAddress memory from, uint256 tokenId) external;662663	/// @notice Returns next free NFT ID.664	/// @dev EVM selector for this function is: 0x75794a3c,665	///  or in textual repr: nextTokenId()666	function nextTokenId() external view returns (uint256);667668	// /// @notice Function to mint multiple tokens.669	// /// @dev `tokenIds` should be an array of consecutive numbers and first number670	// ///  should be obtained with `nextTokenId` method671	// /// @param to The new owner672	// /// @param tokenIds IDs of the minted NFTs673	// /// @dev EVM selector for this function is: 0x44a9945e,674	// ///  or in textual repr: mintBulk(address,uint256[])675	// function mintBulk(address to, uint256[] memory tokenIds) external returns (bool);676677	/// @notice Function to mint a token.678	/// @param data Array of pairs of token owner and token's properties for minted token679	/// @dev EVM selector for this function is: 0xab427b0c,680	///  or in textual repr: mintBulkCross(((address,uint256),(string,bytes)[])[])681	function mintBulkCross(MintTokenData[] memory data) external returns (bool);682683	// /// @notice Function to mint multiple tokens with the given tokenUris.684	// /// @dev `tokenIds` is array of pairs of token ID and token URI. Token IDs should be consecutive685	// ///  numbers and first number should be obtained with `nextTokenId` method686	// /// @param to The new owner687	// /// @param tokens array of pairs of token ID and token URI for minted tokens688	// /// @dev EVM selector for this function is: 0x36543006,689	// ///  or in textual repr: mintBulkWithTokenURI(address,(uint256,string)[])690	// function mintBulkWithTokenURI(address to, TokenUri[] memory tokens) external returns (bool);691692	/// @notice Function to mint a token.693	/// @param to The new owner crossAccountId694	/// @param properties Properties of minted token695	/// @return uint256 The id of the newly minted token696	/// @dev EVM selector for this function is: 0xb904db03,697	///  or in textual repr: mintCross((address,uint256),(string,bytes)[])698	function mintCross(CrossAddress memory to, Property[] memory properties) external returns (uint256);699700	/// @notice Returns collection helper contract address701	/// @dev EVM selector for this function is: 0x1896cce6,702	///  or in textual repr: collectionHelperAddress()703	function collectionHelperAddress() external view returns (address);704}705706/// Data for creation token with uri.707struct TokenUri {708	/// Id of new token.709	uint256 id;710	/// Uri of new token.711	string uri;712}713714struct MintTokenData {715	CrossAddress owner;716	Property[] properties;717}718719/// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension720/// @dev See https://eips.ethereum.org/EIPS/eip-721721/// @dev the ERC-165 identifier for this interface is 0x780e9d63722interface ERC721Enumerable is Dummy, ERC165 {723	/// @notice Enumerate valid NFTs724	/// @param index A counter less than `totalSupply()`725	/// @return The token identifier for the `index`th NFT,726	///  (sort order not specified)727	/// @dev EVM selector for this function is: 0x4f6ccce7,728	///  or in textual repr: tokenByIndex(uint256)729	function tokenByIndex(uint256 index) external view returns (uint256);730731	/// @dev Not implemented732	/// @dev EVM selector for this function is: 0x2f745c59,733	///  or in textual repr: tokenOfOwnerByIndex(address,uint256)734	function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);735736	/// @notice Count NFTs tracked by this contract737	/// @return A count of valid NFTs tracked by this contract, where each one of738	///  them has an assigned and queryable owner not equal to the zero address739	/// @dev EVM selector for this function is: 0x18160ddd,740	///  or in textual repr: totalSupply()741	function totalSupply() external view returns (uint256);742}743744/// @dev inlined interface745interface ERC721Events {746	event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);747	event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);748	event ApprovalForAll(address indexed owner, address indexed operator, bool approved);749}750751/// @title ERC-721 Non-Fungible Token Standard752/// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md753/// @dev the ERC-165 identifier for this interface is 0x80ac58cd754interface ERC721 is Dummy, ERC165, ERC721Events {755	/// @notice Count all NFTs assigned to an owner756	/// @dev NFTs assigned to the zero address are considered invalid, and this757	///  function throws for queries about the zero address.758	/// @param owner An address for whom to query the balance759	/// @return The number of NFTs owned by `owner`, possibly zero760	/// @dev EVM selector for this function is: 0x70a08231,761	///  or in textual repr: balanceOf(address)762	function balanceOf(address owner) external view returns (uint256);763764	/// @notice Find the owner of an NFT765	/// @dev NFTs assigned to zero address are considered invalid, and queries766	///  about them do throw.767	/// @param tokenId The identifier for an NFT768	/// @return The address of the owner of the NFT769	/// @dev EVM selector for this function is: 0x6352211e,770	///  or in textual repr: ownerOf(uint256)771	function ownerOf(uint256 tokenId) external view returns (address);772773	/// @dev Not implemented774	/// @dev EVM selector for this function is: 0xb88d4fde,775	///  or in textual repr: safeTransferFrom(address,address,uint256,bytes)776	function safeTransferFrom(777		address from,778		address to,779		uint256 tokenId,780		bytes memory data781	) external;782783	/// @dev Not implemented784	/// @dev EVM selector for this function is: 0x42842e0e,785	///  or in textual repr: safeTransferFrom(address,address,uint256)786	function safeTransferFrom(787		address from,788		address to,789		uint256 tokenId790	) external;791792	/// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE793	///  TO CONFIRM THAT `to` IS CAPABLE OF RECEIVING NFTS OR ELSE794	///  THEY MAY BE PERMANENTLY LOST795	/// @dev Throws unless `msg.sender` is the current owner or an authorized796	///  operator for this NFT. Throws if `from` is not the current owner. Throws797	///  if `to` is the zero address. Throws if `tokenId` is not a valid NFT.798	/// @param from The current owner of the NFT799	/// @param to The new owner800	/// @param tokenId The NFT to transfer801	/// @dev EVM selector for this function is: 0x23b872dd,802	///  or in textual repr: transferFrom(address,address,uint256)803	function transferFrom(804		address from,805		address to,806		uint256 tokenId807	) external;808809	/// @notice Set or reaffirm the approved address for an NFT810	/// @dev The zero address indicates there is no approved address.811	/// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized812	///  operator of the current owner.813	/// @param approved The new approved NFT controller814	/// @param tokenId The NFT to approve815	/// @dev EVM selector for this function is: 0x095ea7b3,816	///  or in textual repr: approve(address,uint256)817	function approve(address approved, uint256 tokenId) external;818819	/// @notice Sets or unsets the approval of a given operator.820	/// The `operator` is allowed to transfer all tokens of the `caller` on their behalf.821	/// @param operator Operator822	/// @param approved Should operator status be granted or revoked?823	/// @dev EVM selector for this function is: 0xa22cb465,824	///  or in textual repr: setApprovalForAll(address,bool)825	function setApprovalForAll(address operator, bool approved) external;826827	/// @notice Get the approved address for a single NFT828	/// @dev Throws if `tokenId` is not a valid NFT829	/// @param tokenId The NFT to find the approved address for830	/// @return The approved address for this NFT, or the zero address if there is none831	/// @dev EVM selector for this function is: 0x081812fc,832	///  or in textual repr: getApproved(uint256)833	function getApproved(uint256 tokenId) external view returns (address);834835	/// @notice Tells whether the given `owner` approves the `operator`.836	/// @dev EVM selector for this function is: 0xe985e9c5,837	///  or in textual repr: isApprovedForAll(address,address)838	function isApprovedForAll(address owner, address operator) external view returns (bool);839}840841interface UniqueNFT is842	Dummy,843	ERC165,844	ERC721,845	ERC721Enumerable,846	ERC721UniqueExtensions,847	ERC721UniqueMintable,848	ERC721Burnable,849	ERC721Metadata,850	Collection,851	TokenProperties852{}
modifiedtests/src/eth/api/UniqueRefungible.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -551,7 +551,7 @@
 }
 
 /// @title Unique extensions for ERC721.
-/// @dev the ERC-165 identifier for this interface is 0x3e828d60
+/// @dev the ERC-165 identifier for this interface is 0x4abaabdb
 interface ERC721UniqueExtensions is Dummy, ERC165 {
 	/// @notice A descriptive name for a collection of NFTs in this contract
 	/// @dev EVM selector for this function is: 0x06fdde03,
@@ -670,8 +670,8 @@
 
 	/// @notice Function to mint a token.
 	/// @param tokenProperties Properties of minted token
-	/// @dev EVM selector for this function is: 0xab427b0c,
-	///  or in textual repr: mintBulkCross(((address,uint256),(string,bytes)[])[])
+	/// @dev EVM selector for this function is: 0xdf7a5db7,
+	///  or in textual repr: mintBulkCross((((address,uint256),uint128)[],(string,bytes)[])[])
 	function mintBulkCross(MintTokenData[] memory tokenProperties) external returns (bool);
 
 	// /// @notice Function to mint multiple tokens with the given tokenUris.
@@ -712,11 +712,22 @@
 	string uri;
 }
 
+/// Token minting parameters
 struct MintTokenData {
-	CrossAddress owner;
+	/// Minted token owner and number of pieces
+	OwnerPieces[] owners;
+	/// Minted token properties
 	Property[] properties;
 }
 
+/// Token minting parameters
+struct OwnerPieces {
+	/// Minted token owner
+	CrossAddress owner;
+	/// Number of token pieces
+	uint128 pieces;
+}
+
 /// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 /// @dev See https://eips.ethereum.org/EIPS/eip-721
 /// @dev the ERC-165 identifier for this interface is 0x780e9d63
modifiedtests/src/eth/nonFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -216,7 +216,7 @@
         name: 'A',
         description: 'B',
         tokenPrefix: 'C',
-        collectionMode: 'rft',
+        collectionMode: 'nft',
         adminList: [callerCross],
         tokenPropertyPermissions: [
           {key: 'key_0_0', permissions},
modifiedtests/src/eth/reFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/reFungible.test.ts
+++ b/tests/src/eth/reFungible.test.ts
@@ -131,6 +131,8 @@
     const callerCross = helper.ethCrossAccount.fromAddress(caller);
     const receiver = helper.eth.createAccount();
     const receiverCross = helper.ethCrossAccount.fromAddress(receiver);
+    const receiver2 = helper.eth.createAccount();
+    const receiver2Cross = helper.ethCrossAccount.fromAddress(receiver2);
 
     const permissions = [
       {code: TokenPermissionField.Mutable, value: true},
@@ -157,26 +159,41 @@
       },
     ).send();
 
-    const contract = await helper.ethNativeContract.collection(collectionAddress, 'nft', caller);
+    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);
     {
       const nextTokenId = await contract.methods.nextTokenId().call();
       expect(nextTokenId).to.be.equal('1');
       const result = await contract.methods.mintBulkCross([
         {
-          owner: receiverCross,
+          owners: [{
+            owner: receiverCross,
+            pieces: 1,
+          }],
           properties: [
             {key: 'key_0_0', value: Buffer.from('value_0_0')},
           ],
         },
         {
-          owner: receiverCross,
+          owners: [{
+            owner: receiverCross,
+            pieces: 2,
+          }],
           properties: [
             {key: 'key_1_0', value: Buffer.from('value_1_0')},
             {key: 'key_1_1', value: Buffer.from('value_1_1')},
           ],
         },
         {
-          owner: receiverCross,
+          owners: [
+            {
+              owner: receiverCross,
+              pieces: 1,
+            },
+            {
+              owner: receiver2Cross,
+              pieces: 2,
+            },
+          ],
           properties: [
             {key: 'key_2_0', value: Buffer.from('value_2_0')},
             {key: 'key_2_1', value: Buffer.from('value_2_1')},
@@ -190,7 +207,11 @@
         const event = events[i];
         expect(event.address).to.equal(collectionAddress);
         expect(event.returnValues.from).to.equal('0x0000000000000000000000000000000000000000');
-        expect(event.returnValues.to).to.equal(receiver);
+        if(i == 0 || i == 1)
+          expect(event.returnValues.to).to.equal(receiver);
+        else
+          expect(event.returnValues.to).to.equal('0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF');
+
         expect(event.returnValues.tokenId).to.equal(`${+nextTokenId + i}`);
       }