git.delta.rocks / unique-network / refs/commits / f14c4bb72473

--- a/.maintain/scripts/generate_sol.sh
+++ b/.maintain/scripts/generate_sol.sh
@@ -1,11 +1,14 @@
 #!/bin/sh
 set -eu
 
+PRETTIER_CONFIG="$(pwd)""/.prettierrc"
+
 tmp=$(mktemp)
 cargo test --package $PACKAGE -- $NAME --exact --nocapture --ignored | tee $tmp
 raw=$(mktemp --suffix .sol)
 sed -n '/=== SNIP START ===/, /=== SNIP END ===/{ /=== SNIP START ===/! { /=== SNIP END ===/! p } }' $tmp > $raw
+
 formatted=$(mktemp)
-prettier --use-tabs $raw > $formatted
+prettier --config $PRETTIER_CONFIG $raw > $formatted
 
 mv $formatted $OUTPUT

--- a/pallets/unique/CHANGELOG.md
+++ b/pallets/unique/CHANGELOG.md
@@ -4,6 +4,11 @@
 
 <!-- bureaucrate goes here -->
 
+## [v0.2.0] 2022-09-13
+
+### Changes
+-   Change **collectionHelper** method `createRefungibleCollection` to `createRFTCollection`,
+
 ## [v0.1.4] 2022-09-05
 
 ### Added

--- a/pallets/unique/Cargo.toml
+++ b/pallets/unique/Cargo.toml
@@ -9,7 +9,7 @@
 license = 'GPLv3'
 name = 'pallet-unique'
 repository = 'https://github.com/UniqueNetwork/unique-chain'
-version = "0.1.4"
+version = "0.2.0"
 
 [package.metadata.docs.rs]
 targets = ['x86_64-unknown-linux-gnu']

--- a/pallets/unique/src/eth/mod.rs
+++ b/pallets/unique/src/eth/mod.rs
@@ -245,6 +245,7 @@
 	}
 
 	#[weight(<SelfWeightOf<T>>::create_collection())]
+	#[solidity(rename_selector = "createRFTCollection")]
 	fn create_refungible_collection(
 		&mut self,
 		caller: caller,

binary blob — no preview

--- a/pallets/unique/src/eth/stubs/CollectionHelpers.sol
+++ b/pallets/unique/src/eth/stubs/CollectionHelpers.sol
@@ -10,11 +10,7 @@
 }
 
 contract ERC165 is Dummy {
-	function supportsInterface(bytes4 interfaceID)
-		external
-		view
-		returns (bool)
-	{
+	function supportsInterface(bytes4 interfaceID) external view returns (bool) {
 		require(false, stub_error);
 		interfaceID;
 		return true;
@@ -23,14 +19,11 @@
 
 /// @dev inlined interface
 contract CollectionHelpersEvents {
-	event CollectionCreated(
-		address indexed owner,
-		address indexed collectionId
-	);
+	event CollectionCreated(address indexed owner, address indexed collectionId);
 }
 
 /// @title Contract, which allows users to operate with collections
-/// @dev the ERC-165 identifier for this interface is 0x675f3074
+/// @dev the ERC-165 identifier for this interface is 0x88ee8ef1
 contract CollectionHelpers is Dummy, ERC165, CollectionHelpersEvents {
 	/// Create an NFT collection
 	/// @param name Name of the collection
@@ -69,9 +62,9 @@
 		return 0x0000000000000000000000000000000000000000;
 	}
 
-	/// @dev EVM selector for this function is: 0x44a68ad5,
-	///  or in textual repr: createRefungibleCollection(string,string,string)
-	function createRefungibleCollection(
+	/// @dev EVM selector for this function is: 0xab173450,
+	///  or in textual repr: createRFTCollection(string,string,string)
+	function createRFTCollection(
 		string memory name,
 		string memory description,
 		string memory tokenPrefix
@@ -106,11 +99,7 @@
 	/// @return bool Does the collection exist?
 	/// @dev EVM selector for this function is: 0xc3de1494,
 	///  or in textual repr: isCollectionExist(address)
-	function isCollectionExist(address collectionAddress)
-		public
-		view
-		returns (bool)
-	{
+	function isCollectionExist(address collectionAddress) public view returns (bool) {
 		require(false, stub_error);
 		collectionAddress;
 		dummy;

--- a/tests/src/eth/api/CollectionHelpers.sol
+++ b/tests/src/eth/api/CollectionHelpers.sol
@@ -14,14 +14,11 @@
 
 /// @dev inlined interface
 interface CollectionHelpersEvents {
-	event CollectionCreated(
-		address indexed owner,
-		address indexed collectionId
-	);
+	event CollectionCreated(address indexed owner, address indexed collectionId);
 }
 
 /// @title Contract, which allows users to operate with collections
-/// @dev the ERC-165 identifier for this interface is 0x675f3074
+/// @dev the ERC-165 identifier for this interface is 0x88ee8ef1
 interface CollectionHelpers is Dummy, ERC165, CollectionHelpersEvents {
 	/// Create an NFT collection
 	/// @param name Name of the collection
@@ -45,9 +42,9 @@
 		string memory baseUri
 	) external returns (address);
 
-	/// @dev EVM selector for this function is: 0x44a68ad5,
-	///  or in textual repr: createRefungibleCollection(string,string,string)
-	function createRefungibleCollection(
+	/// @dev EVM selector for this function is: 0xab173450,
+	///  or in textual repr: createRFTCollection(string,string,string)
+	function createRFTCollection(
 		string memory name,
 		string memory description,
 		string memory tokenPrefix
@@ -67,8 +64,5 @@
 	/// @return bool Does the collection exist?
 	/// @dev EVM selector for this function is: 0xc3de1494,
 	///  or in textual repr: isCollectionExist(address)
-	function isCollectionExist(address collectionAddress)
-		external
-		view
-		returns (bool);
+	function isCollectionExist(address collectionAddress) external view returns (bool);
 }

--- a/tests/src/eth/collectionHelpersAbi.json
+++ b/tests/src/eth/collectionHelpersAbi.json
@@ -59,7 +59,7 @@
       { "internalType": "string", "name": "description", "type": "string" },
       { "internalType": "string", "name": "tokenPrefix", "type": "string" }
     ],
-    "name": "createRefungibleCollection",
+    "name": "createRFTCollection",
     "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
     "stateMutability": "nonpayable",
     "type": "function"

--- a/tests/src/eth/createRFTCollection.test.ts
+++ b/tests/src/eth/createRFTCollection.test.ts
@@ -41,7 +41,7 @@
   
     const collectionCountBefore = await getCreatedCollectionCount(api);
     const result = await collectionHelper.methods
-      .createRefungibleCollection(collectionName, description, tokenPrefix)
+      .createRFTCollection(collectionName, description, tokenPrefix)
       .send();
     const collectionCountAfter = await getCreatedCollectionCount(api);
   
@@ -65,7 +65,7 @@
       .call()).to.be.false;
 
     await collectionHelpers.methods
-      .createRefungibleCollection('A', 'A', 'A')
+      .createRFTCollection('A', 'A', 'A')
       .send();
     
     expect(await collectionHelpers.methods
@@ -76,7 +76,7 @@
   itWeb3('Set sponsorship', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
-    let result = await collectionHelpers.methods.createRefungibleCollection('Sponsor collection', '1', '1').send();
+    let result = await collectionHelpers.methods.createRFTCollection('Sponsor collection', '1', '1').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
     const sponsor = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});
@@ -96,7 +96,7 @@
   itWeb3('Set limits', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
-    const result = await collectionHelpers.methods.createRefungibleCollection('Const collection', '5', '5').send();
+    const result = await collectionHelpers.methods.createRFTCollection('Const collection', '5', '5').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
     const limits = {
       accountTokenOwnershipLimit: 1000,
@@ -141,7 +141,7 @@
       .isCollectionExist(collectionAddressForNonexistentCollection).call())
       .to.be.false;
     
-    const result = await collectionHelpers.methods.createRefungibleCollection('Collection address exist', '7', '7').send();
+    const result = await collectionHelpers.methods.createRFTCollection('Collection address exist', '7', '7').send();
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     expect(await collectionHelpers.methods
       .isCollectionExist(collectionIdAddress).call())
@@ -164,7 +164,7 @@
       const tokenPrefix = 'A';
     
       await expect(helper.methods
-        .createRefungibleCollection(collectionName, description, tokenPrefix)
+        .createRFTCollection(collectionName, description, tokenPrefix)
         .call()).to.be.rejectedWith('name is too long. Max length is ' + MAX_NAME_LENGHT);
       
     }
@@ -174,7 +174,7 @@
       const description = 'A'.repeat(MAX_DESCRIPTION_LENGHT + 1);
       const tokenPrefix = 'A';
       await expect(helper.methods
-        .createRefungibleCollection(collectionName, description, tokenPrefix)
+        .createRFTCollection(collectionName, description, tokenPrefix)
         .call()).to.be.rejectedWith('description is too long. Max length is ' + MAX_DESCRIPTION_LENGHT);
     }
     {  
@@ -183,7 +183,7 @@
       const description = 'A';
       const tokenPrefix = 'A'.repeat(MAX_TOKEN_PREFIX_LENGHT + 1);
       await expect(helper.methods
-        .createRefungibleCollection(collectionName, description, tokenPrefix)
+        .createRFTCollection(collectionName, description, tokenPrefix)
         .call()).to.be.rejectedWith('token_prefix is too long. Max length is ' + MAX_TOKEN_PREFIX_LENGHT);
     }
   });
@@ -196,7 +196,7 @@
     const tokenPrefix = 'A';
     
     await expect(helper.methods
-      .createRefungibleCollection(collectionName, description, tokenPrefix)
+      .createRFTCollection(collectionName, description, tokenPrefix)
       .call()).to.be.rejectedWith('NotSufficientFounds');
   });
 
@@ -204,7 +204,7 @@
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const notOwner = createEthAccount(web3);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
-    const result = await collectionHelpers.methods.createRefungibleCollection('A', 'A', 'A').send();
+    const result = await collectionHelpers.methods.createRFTCollection('A', 'A', 'A').send();
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     const contractEvmFromNotOwner = evmCollection(web3, notOwner, collectionIdAddress, {type: 'ReFungible'});
     const EXPECTED_ERROR = 'NoPermission';
@@ -229,7 +229,7 @@
   itWeb3('(!negative test!) Set limits', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
-    const result = await collectionHelpers.methods.createRefungibleCollection('Schema collection', 'A', 'A').send();
+    const result = await collectionHelpers.methods.createRFTCollection('Schema collection', 'A', 'A').send();
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress, {type: 'ReFungible'});
     await expect(collectionEvm.methods

--- a/tests/src/eth/fractionalizer/Fractionalizer.sol
+++ b/tests/src/eth/fractionalizer/Fractionalizer.sol
@@ -10,179 +10,158 @@
 ///  stores allowlist of NFT tokens available for fractionalization, has methods
 ///  for fractionalization and defractionalization of NFT tokens.
 contract Fractionalizer {
-    struct Token {
-        address _collection;
-        uint256 _tokenId;
-    }
-    address rftCollection;
-    mapping(address => bool) nftCollectionAllowList;
-    mapping(address => mapping(uint256 => uint256)) public nft2rftMapping;
-    mapping(address => Token) public rft2nftMapping;
-    bytes32 refungibleCollectionType = keccak256(bytes("ReFungible"));
+	struct Token {
+		address _collection;
+		uint256 _tokenId;
+	}
+	address rftCollection;
+	mapping(address => bool) nftCollectionAllowList;
+	mapping(address => mapping(uint256 => uint256)) public nft2rftMapping;
+	mapping(address => Token) public rft2nftMapping;
+	bytes32 refungibleCollectionType = keccak256(bytes("ReFungible"));
 
-    receive() external payable onlyOwner {}
+	receive() external payable onlyOwner {}
 
-    /// @dev Method modifier to only allow contract owner to call it.
-    modifier onlyOwner() {
-        address contracthelpersAddress = 0x842899ECF380553E8a4de75bF534cdf6fBF64049;
-        ContractHelpers contractHelpers = ContractHelpers(contracthelpersAddress);
-        address contractOwner = contractHelpers.contractOwner(address(this));
-        require(msg.sender == contractOwner, "Only owner can");
-        _;
-    }
+	/// @dev Method modifier to only allow contract owner to call it.
+	modifier onlyOwner() {
+		address contracthelpersAddress = 0x842899ECF380553E8a4de75bF534cdf6fBF64049;
+		ContractHelpers contractHelpers = ContractHelpers(contracthelpersAddress);
+		address contractOwner = contractHelpers.contractOwner(address(this));
+		require(msg.sender == contractOwner, "Only owner can");
+		_;
+	}
 
-    /// @dev This emits when RFT collection setting is changed.
-    event RFTCollectionSet(address _collection);
+	/// @dev This emits when RFT collection setting is changed.
+	event RFTCollectionSet(address _collection);
 
-    /// @dev This emits when NFT collection is allowed or disallowed.
-    event AllowListSet(address _collection, bool _status);
+	/// @dev This emits when NFT collection is allowed or disallowed.
+	event AllowListSet(address _collection, bool _status);
 
-    /// @dev This emits when NFT token is fractionalized by contract.
-    event Fractionalized(address _collection, uint256 _tokenId, address _rftToken, uint128 _amount);
+	/// @dev This emits when NFT token is fractionalized by contract.
+	event Fractionalized(address _collection, uint256 _tokenId, address _rftToken, uint128 _amount);
 
-    /// @dev This emits when NFT token is defractionalized by contract.
-    event Defractionalized(address _rftToken, address _nftCollection, uint256 _nftTokenId);
+	/// @dev This emits when NFT token is defractionalized by contract.
+	event Defractionalized(address _rftToken, address _nftCollection, uint256 _nftTokenId);
 
-    /// Set RFT collection that contract will work with. RFT tokens for fractionalized NFT tokens
-    /// would be created in this collection.
-    /// @dev Throws if RFT collection is already configured for this contract.
-    ///  Throws if collection of wrong type (NFT, Fungible) is provided instead
-    ///  of RFT collection.
-    ///  Throws if `msg.sender` is not owner or admin of provided RFT collection.
-    ///  Can only be called by contract owner.
-    /// @param _collection address of RFT collection.
-    function setRFTCollection(address _collection) public onlyOwner {
-        require(
-            rftCollection == address(0),
-            "RFT collection is already set"
-        );
-        UniqueRefungible refungibleContract = UniqueRefungible(_collection);
-        string memory collectionType = refungibleContract.uniqueCollectionType();
-        
-        require(
-            keccak256(bytes(collectionType)) == refungibleCollectionType,
-            "Wrong collection type. Collection is not refungible."
-        );
-        require(
-            refungibleContract.isOwnerOrAdmin(address(this)),
-            "Fractionalizer contract should be an admin of the collection"
-        );
-        rftCollection = _collection;
-        emit RFTCollectionSet(rftCollection);
-    }
+	/// Set RFT collection that contract will work with. RFT tokens for fractionalized NFT tokens
+	/// would be created in this collection.
+	/// @dev Throws if RFT collection is already configured for this contract.
+	///  Throws if collection of wrong type (NFT, Fungible) is provided instead
+	///  of RFT collection.
+	///  Throws if `msg.sender` is not owner or admin of provided RFT collection.
+	///  Can only be called by contract owner.
+	/// @param _collection address of RFT collection.
+	function setRFTCollection(address _collection) public onlyOwner {
+		require(rftCollection == address(0), "RFT collection is already set");
+		UniqueRefungible refungibleContract = UniqueRefungible(_collection);
+		string memory collectionType = refungibleContract.uniqueCollectionType();
 
-    /// Creates and sets RFT collection that contract will work with. RFT tokens for fractionalized NFT tokens
-    /// would be created in this collection.
-    /// @dev Throws if RFT collection is already configured for this contract.
-    ///  Can only be called by contract owner.
-    /// @param _name name for created RFT collection.
-    /// @param _description description for created RFT collection.
-    /// @param _tokenPrefix token prefix for created RFT collection.
-    function createAndSetRFTCollection(string calldata _name, string calldata _description, string calldata _tokenPrefix) public onlyOwner {
-        require(
-            rftCollection == address(0),
-            "RFT collection is already set"
-        );
-        address collectionHelpers = 0x6C4E9fE1AE37a41E93CEE429e8E1881aBdcbb54F;
-        rftCollection = CollectionHelpers(collectionHelpers).createRefungibleCollection(_name, _description, _tokenPrefix);
-        emit RFTCollectionSet(rftCollection);
-    }
+		require(
+			keccak256(bytes(collectionType)) == refungibleCollectionType,
+			"Wrong collection type. Collection is not refungible."
+		);
+		require(
+			refungibleContract.isOwnerOrAdmin(address(this)),
+			"Fractionalizer contract should be an admin of the collection"
+		);
+		rftCollection = _collection;
+		emit RFTCollectionSet(rftCollection);
+	}
 
-    /// Allow or disallow NFT collection tokens from being fractionalized by this contract.
-    /// @dev Can only be called by contract owner.
-    /// @param collection NFT token address.
-    /// @param status `true` to allow and `false` to disallow NFT token.
-    function setNftCollectionIsAllowed(address collection, bool status) public onlyOwner {
-        nftCollectionAllowList[collection] = status;
-        emit AllowListSet(collection, status);
-    }
+	/// Creates and sets RFT collection that contract will work with. RFT tokens for fractionalized NFT tokens
+	/// would be created in this collection.
+	/// @dev Throws if RFT collection is already configured for this contract.
+	///  Can only be called by contract owner.
+	/// @param _name name for created RFT collection.
+	/// @param _description description for created RFT collection.
+	/// @param _tokenPrefix token prefix for created RFT collection.
+	function createAndSetRFTCollection(
+		string calldata _name,
+		string calldata _description,
+		string calldata _tokenPrefix
+	) public onlyOwner {
+		require(rftCollection == address(0), "RFT collection is already set");
+		address collectionHelpers = 0x6C4E9fE1AE37a41E93CEE429e8E1881aBdcbb54F;
+		rftCollection = CollectionHelpers(collectionHelpers).createRFTCollection(_name, _description, _tokenPrefix);
+		emit RFTCollectionSet(rftCollection);
+	}
 
-    /// Fractionilize NFT token.
-    /// @dev Takes NFT token from `msg.sender` and transfers RFT token to `msg.sender`
-    ///  instead. Creates new RFT token if provided NFT token never was fractionalized
-    ///  by this contract or existing RFT token if it was.
-    ///  Throws if RFT collection isn't configured for this contract.
-    ///  Throws if fractionalization of provided NFT token is not allowed
-    ///  Throws if `msg.sender` is not owner of provided NFT token
-    /// @param  _collection NFT collection address
-    /// @param  _token id of NFT token to be fractionalized
-    /// @param  _pieces number of pieces new RFT token would have
-    function nft2rft(address _collection, uint256 _token, uint128 _pieces) public {
-        require(
-            rftCollection != address(0),
-            "RFT collection is not set"
-        );
-        UniqueRefungible rftCollectionContract = UniqueRefungible(rftCollection);
-        require(
-            nftCollectionAllowList[_collection] == true,
-            "Fractionalization of this collection is not allowed by admin"
-        );
-        require(
-            UniqueNFT(_collection).ownerOf(_token) == msg.sender,
-            "Only token owner could fractionalize it"
-        );
-        UniqueNFT(_collection).transferFrom(
-            msg.sender,
-            address(this),
-            _token
-        );
-        uint256 rftTokenId;
-        address rftTokenAddress;
-        UniqueRefungibleToken rftTokenContract;
-        if (nft2rftMapping[_collection][_token] == 0) {
-            rftTokenId = rftCollectionContract.nextTokenId();
-            rftCollectionContract.mint(address(this), rftTokenId);
-            rftTokenAddress = rftCollectionContract.tokenContractAddress(rftTokenId);
-            nft2rftMapping[_collection][_token] = rftTokenId;
-            rft2nftMapping[rftTokenAddress] = Token(_collection, _token);
+	/// Allow or disallow NFT collection tokens from being fractionalized by this contract.
+	/// @dev Can only be called by contract owner.
+	/// @param collection NFT token address.
+	/// @param status `true` to allow and `false` to disallow NFT token.
+	function setNftCollectionIsAllowed(address collection, bool status) public onlyOwner {
+		nftCollectionAllowList[collection] = status;
+		emit AllowListSet(collection, status);
+	}
 
-            rftTokenContract = UniqueRefungibleToken(rftTokenAddress);
-        } else {
-            rftTokenId = nft2rftMapping[_collection][_token];
-            rftTokenAddress = rftCollectionContract.tokenContractAddress(rftTokenId);
-            rftTokenContract = UniqueRefungibleToken(rftTokenAddress);
-        }
-        rftTokenContract.repartition(_pieces);
-        rftTokenContract.transfer(msg.sender, _pieces);
-        emit Fractionalized(_collection, _token, rftTokenAddress, _pieces);
-    }
+	/// Fractionilize NFT token.
+	/// @dev Takes NFT token from `msg.sender` and transfers RFT token to `msg.sender`
+	///  instead. Creates new RFT token if provided NFT token never was fractionalized
+	///  by this contract or existing RFT token if it was.
+	///  Throws if RFT collection isn't configured for this contract.
+	///  Throws if fractionalization of provided NFT token is not allowed
+	///  Throws if `msg.sender` is not owner of provided NFT token
+	/// @param  _collection NFT collection address
+	/// @param  _token id of NFT token to be fractionalized
+	/// @param  _pieces number of pieces new RFT token would have
+	function nft2rft(
+		address _collection,
+		uint256 _token,
+		uint128 _pieces
+	) public {
+		require(rftCollection != address(0), "RFT collection is not set");
+		UniqueRefungible rftCollectionContract = UniqueRefungible(rftCollection);
+		require(
+			nftCollectionAllowList[_collection] == true,
+			"Fractionalization of this collection is not allowed by admin"
+		);
+		require(UniqueNFT(_collection).ownerOf(_token) == msg.sender, "Only token owner could fractionalize it");
+		UniqueNFT(_collection).transferFrom(msg.sender, address(this), _token);
+		uint256 rftTokenId;
+		address rftTokenAddress;
+		UniqueRefungibleToken rftTokenContract;
+		if (nft2rftMapping[_collection][_token] == 0) {
+			rftTokenId = rftCollectionContract.nextTokenId();
+			rftCollectionContract.mint(address(this), rftTokenId);
+			rftTokenAddress = rftCollectionContract.tokenContractAddress(rftTokenId);
+			nft2rftMapping[_collection][_token] = rftTokenId;
+			rft2nftMapping[rftTokenAddress] = Token(_collection, _token);
 
-    /// Defrationalize NFT token.
-    /// @dev Takes RFT token from `msg.sender` and transfers corresponding NFT token
-    ///  to `msg.sender` instead.
-    ///  Throws if RFT collection isn't configured for this contract.
-    ///  Throws if provided RFT token is no from configured RFT collection.
-    ///  Throws if RFT token was not created by this contract.
-    ///  Throws if `msg.sender` isn't owner of all RFT token pieces.
-    /// @param _collection RFT collection address
-    /// @param _token id of RFT token
-    function rft2nft(address _collection, uint256 _token) public {
-        require(
-            rftCollection != address(0),
-            "RFT collection is not set"
-        );
-        require(
-            rftCollection == _collection,
-            "Wrong RFT collection"
-        );
-        UniqueRefungible rftCollectionContract = UniqueRefungible(rftCollection);
-        address rftTokenAddress = rftCollectionContract.tokenContractAddress(_token);
-        Token memory nftToken = rft2nftMapping[rftTokenAddress];
-        require(
-            nftToken._collection != address(0),
-            "No corresponding NFT token found"
-        );
-        UniqueRefungibleToken rftTokenContract = UniqueRefungibleToken(rftTokenAddress);
-        require(
-            rftTokenContract.balanceOf(msg.sender) == rftTokenContract.totalSupply(),
-            "Not all pieces are owned by the caller"
-        );
-        rftCollectionContract.transferFrom(msg.sender, address(this), _token);
-        UniqueNFT(nftToken._collection).transferFrom(
-            address(this),
-            msg.sender,
-            nftToken._tokenId
-        );
-        emit Defractionalized(rftTokenAddress, nftToken._collection, nftToken._tokenId);
-    }
-}
\ No newline at end of file
+			rftTokenContract = UniqueRefungibleToken(rftTokenAddress);
+		} else {
+			rftTokenId = nft2rftMapping[_collection][_token];
+			rftTokenAddress = rftCollectionContract.tokenContractAddress(rftTokenId);
+			rftTokenContract = UniqueRefungibleToken(rftTokenAddress);
+		}
+		rftTokenContract.repartition(_pieces);
+		rftTokenContract.transfer(msg.sender, _pieces);
+		emit Fractionalized(_collection, _token, rftTokenAddress, _pieces);
+	}
+
+	/// Defrationalize NFT token.
+	/// @dev Takes RFT token from `msg.sender` and transfers corresponding NFT token
+	///  to `msg.sender` instead.
+	///  Throws if RFT collection isn't configured for this contract.
+	///  Throws if provided RFT token is no from configured RFT collection.
+	///  Throws if RFT token was not created by this contract.
+	///  Throws if `msg.sender` isn't owner of all RFT token pieces.
+	/// @param _collection RFT collection address
+	/// @param _token id of RFT token
+	function rft2nft(address _collection, uint256 _token) public {
+		require(rftCollection != address(0), "RFT collection is not set");
+		require(rftCollection == _collection, "Wrong RFT collection");
+		UniqueRefungible rftCollectionContract = UniqueRefungible(rftCollection);
+		address rftTokenAddress = rftCollectionContract.tokenContractAddress(_token);
+		Token memory nftToken = rft2nftMapping[rftTokenAddress];
+		require(nftToken._collection != address(0), "No corresponding NFT token found");
+		UniqueRefungibleToken rftTokenContract = UniqueRefungibleToken(rftTokenAddress);
+		require(
+			rftTokenContract.balanceOf(msg.sender) == rftTokenContract.totalSupply(),
+			"Not all pieces are owned by the caller"
+		);
+		rftCollectionContract.transferFrom(msg.sender, address(this), _token);
+		UniqueNFT(nftToken._collection).transferFrom(address(this), msg.sender, nftToken._tokenId);
+		emit Defractionalized(rftTokenAddress, nftToken._collection, nftToken._tokenId);
+	}
+}

--- a/tests/src/eth/fractionalizer/fractionalizer.test.ts
+++ b/tests/src/eth/fractionalizer/fractionalizer.test.ts
@@ -21,7 +21,7 @@
 import {readFile} from 'fs/promises';
 import {executeTransaction, submitTransactionAsync} from '../../substrate/substrate-api';
 import {getCreateCollectionResult, getCreateItemResult, UNIQUE, requirePallets, Pallets} from '../../util/helpers';
-import {collectionIdToAddress, CompiledContract, createEthAccountWithBalance, createNonfungibleCollection, createRefungibleCollection, GAS_ARGS, itWeb3, tokenIdFromAddress, uniqueNFT, uniqueRefungible, uniqueRefungibleToken} from '../util/helpers';
+import {collectionIdToAddress, CompiledContract, createEthAccountWithBalance, createNonfungibleCollection, createRFTCollection, GAS_ARGS, itWeb3, tokenIdFromAddress, uniqueNFT, uniqueRefungible, uniqueRefungibleToken} from '../util/helpers';
 import {Contract} from 'web3-eth-contract';
 import * as solc from 'solc';
 
@@ -123,7 +123,7 @@
   itWeb3('Set RFT collection', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const fractionalizer = await deployFractionalizer(web3, owner);
-    const {collectionIdAddress} = await createRefungibleCollection(api, web3, owner);
+    const {collectionIdAddress} = await createRFTCollection(api, web3, owner);
     const refungibleContract = uniqueRefungible(web3, collectionIdAddress, owner);
     await refungibleContract.methods.addCollectionAdmin(fractionalizer.options.address).send();
     const result = await fractionalizer.methods.setRFTCollection(collectionIdAddress).send();
@@ -256,7 +256,7 @@
 
   itWeb3('call setRFTCollection twice', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
-    const {collectionIdAddress} = await createRefungibleCollection(api, web3, owner);
+    const {collectionIdAddress} = await createRFTCollection(api, web3, owner);
     const refungibleContract = uniqueRefungible(web3, collectionIdAddress, owner);
 
     const fractionalizer = await deployFractionalizer(web3, owner);
@@ -282,7 +282,7 @@
   itWeb3('call setRFTCollection while not collection admin', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const fractionalizer = await deployFractionalizer(web3, owner);
-    const {collectionIdAddress} = await createRefungibleCollection(api, web3, owner);
+    const {collectionIdAddress} = await createRFTCollection(api, web3, owner);
 
     await expect(fractionalizer.methods.setRFTCollection(collectionIdAddress).call())
       .to.be.rejectedWith(/Fractionalizer contract should be an admin of the collection$/g);
@@ -368,7 +368,7 @@
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const fractionalizer = await deployFractionalizer(web3, owner);
-    const {collectionIdAddress: rftCollectionAddress} = await createRefungibleCollection(api, web3, owner);
+    const {collectionIdAddress: rftCollectionAddress} = await createRFTCollection(api, web3, owner);
     const refungibleContract = uniqueRefungible(web3, rftCollectionAddress, owner);
     const rftTokenId = await refungibleContract.methods.nextTokenId().call();
     await refungibleContract.methods.mint(owner, rftTokenId).send();
@@ -381,7 +381,7 @@
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const {fractionalizer} = await initFractionalizer(api, web3, privateKeyWrapper, owner);
-    const {collectionIdAddress: rftCollectionAddress} = await createRefungibleCollection(api, web3, owner);
+    const {collectionIdAddress: rftCollectionAddress} = await createRFTCollection(api, web3, owner);
     const refungibleContract = uniqueRefungible(web3, rftCollectionAddress, owner);
     const rftTokenId = await refungibleContract.methods.nextTokenId().call();
     await refungibleContract.methods.mint(owner, rftTokenId).send();
@@ -392,7 +392,7 @@
 
   itWeb3('call rft2nft for RFT token that was not minted by fractionalizer contract', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
-    const {collectionIdAddress: rftCollectionAddress} = await createRefungibleCollection(api, web3, owner);
+    const {collectionIdAddress: rftCollectionAddress} = await createRFTCollection(api, web3, owner);
 
     const fractionalizer = await deployFractionalizer(web3, owner);
     const refungibleContract = uniqueRefungible(web3, rftCollectionAddress, owner);