git.delta.rocks / unique-network / refs/commits / 48762e7ec756

--- a/pallets/fungible/CHANGELOG.md
+++ b/pallets/fungible/CHANGELOG.md
@@ -4,12 +4,22 @@
 
 <!-- bureaucrate goes here -->
 
+## [0.1.8] - 2022-11-18
+
+### Added
+
+- The function `description` to `ERC20UniqueExtensions` interface.
+
 ## [0.1.7] - 2022-11-14
 
 ### Changed
 
 - Added `transfer_cross` in eth functions.
 
+### Changed
+
+- Use named structure `EthCrossAccount` in eth functions.
+
 ## [0.1.6] - 2022-11-02
 
 ### Changed

--- a/pallets/fungible/src/erc.rs
+++ b/pallets/fungible/src/erc.rs
@@ -158,6 +158,13 @@
 where
 	T::AccountId: From<[u8; 32]>,
 {
+	/// @notice A description for the collection.
+	fn description(&self) -> Result<string> {
+		Ok(decode_utf16(self.description.iter().copied())
+			.map(|r| r.unwrap_or(REPLACEMENT_CHARACTER))
+			.collect::<string>())
+	}
+
 	#[weight(<SelfWeightOf<T>>::approve())]
 	fn approve_cross(
 		&mut self,

--- a/pallets/fungible/src/stubs/UniqueFungible.sol
+++ b/pallets/fungible/src/stubs/UniqueFungible.sol
@@ -439,6 +439,15 @@
 
 /// @dev the ERC-165 identifier for this interface is 0x29f4dcd9
 contract ERC20UniqueExtensions is Dummy, ERC165 {
+	/// @notice A description for the collection.
+	/// @dev EVM selector for this function is: 0x7284e416,
+	///  or in textual repr: description()
+	function description() public view returns (string memory) {
+		require(false, stub_error);
+		dummy;
+		return "";
+	}
+
 	/// @dev EVM selector for this function is: 0x0ecd0ab0,
 	///  or in textual repr: approveCross((address,uint256),uint256)
 	function approveCross(EthCrossAccount memory spender, uint256 amount) public returns (bool) {

--- a/pallets/nonfungible/CHANGELOG.md
+++ b/pallets/nonfungible/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 <!-- bureaucrate goes here -->
 
+## [0.1.10] - 2022-11-18
+
+### Added
+
+- The functions `description`, `crossOwnerOf`, `tokenProperties` to `ERC721UniqueExtensions` interface.
+
 ## [0.1.9] - 2022-11-14
 
 ### Changed

--- a/pallets/nonfungible/src/erc.rs
+++ b/pallets/nonfungible/src/erc.rs
@@ -37,7 +37,7 @@
 use sp_std::vec::Vec;
 use pallet_common::{
 	erc::{CommonEvmHandler, PrecompileResult, CollectionCall, static_property::key},
-	CollectionHandle, CollectionPropertyPermissions,
+	CollectionHandle, CollectionPropertyPermissions, CommonCollectionOperations,
 };
 use pallet_evm::{account::CrossAccountId, PrecompileHandle};
 use pallet_evm_coder_substrate::call;
@@ -278,7 +278,7 @@
 #[solidity_interface(name = ERC721Metadata, expect_selector = 0x5b5e139f)]
 impl<T: Config> NonfungibleHandle<T>
 where
-	T::AccountId: From<[u8; 32]>,
+	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,
 {
 	/// @notice A descriptive name for a collection of NFTs in this contract
 	/// @dev real implementation of this function lies in `ERC721UniqueExtensions`
@@ -686,7 +686,7 @@
 #[solidity_interface(name = ERC721UniqueExtensions)]
 impl<T: Config> NonfungibleHandle<T>
 where
-	T::AccountId: From<[u8; 32]>,
+	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,
 {
 	/// @notice A descriptive name for a collection of NFTs in this contract
 	fn name(&self) -> Result<string> {
@@ -700,6 +700,56 @@
 		Ok(string::from_utf8_lossy(&self.token_prefix).into())
 	}
 
+	/// @notice A description for the collection.
+	fn description(&self) -> Result<string> {
+		Ok(decode_utf16(self.description.iter().copied())
+			.map(|r| r.unwrap_or(REPLACEMENT_CHARACTER))
+			.collect::<string>())
+	}
+
+	/// Returns the owner (in cross format) of the token.
+	///
+	/// @param tokenId Id for the token.
+	fn cross_owner_of(&self, token_id: uint256) -> Result<EthCrossAccount> {
+		Self::token_owner(&self, token_id.try_into()?)
+			.map(|o| EthCrossAccount::from_sub_cross_account::<T>(&o))
+			.ok_or(Error::Revert("key too large".into()))
+	}
+
+	/// Returns the token properties.
+	///
+	/// @param tokenId Id for the token.
+	/// @param keys Properties keys. Empty keys for all propertyes.
+	/// @return Vector of properties key/value pairs.
+	fn token_properties(
+		&self,
+		token_id: uint256,
+		keys: Vec<string>,
+	) -> Result<Vec<(string, bytes)>> {
+		let keys = keys
+			.into_iter()
+			.map(|key| {
+				<Vec<u8>>::from(key)
+					.try_into()
+					.map_err(|_| Error::Revert("key too large".into()))
+			})
+			.collect::<Result<Vec<_>>>()?;
+
+		<Self as CommonCollectionOperations<T>>::token_properties(
+			&self,
+			token_id.try_into()?,
+			if keys.is_empty() { None } else { Some(keys) },
+		)
+		.into_iter()
+		.map(|p| {
+			let key = string::from_utf8(p.key.to_vec())
+				.map_err(|e| Error::Revert(alloc::format!("{}", e)))?;
+			let value = bytes(p.value.to_vec());
+			Ok((key, value))
+		})
+		.collect::<Result<Vec<_>>>()
+	}
+
 	/// @notice Set or reaffirm the approved address for an NFT
 	/// @dev The zero address indicates there is no approved address.
 	/// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized

--- a/pallets/nonfungible/src/stubs/UniqueNFT.sol
+++ b/pallets/nonfungible/src/stubs/UniqueNFT.sol
@@ -702,6 +702,42 @@
 		return "";
 	}
 
+	/// @notice A description for the collection.
+	/// @dev EVM selector for this function is: 0x7284e416,
+	///  or in textual repr: description()
+	function description() public view returns (string memory) {
+		require(false, stub_error);
+		dummy;
+		return "";
+	}
+
+	/// Returns the owner (in cross format) of the token.
+	///
+	/// @param tokenId Id for the token.
+	/// @dev EVM selector for this function is: 0x2b29dace,
+	///  or in textual repr: crossOwnerOf(uint256)
+	function crossOwnerOf(uint256 tokenId) public view returns (EthCrossAccount memory) {
+		require(false, stub_error);
+		tokenId;
+		dummy;
+		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+	}
+
+	/// Returns the token properties.
+	///
+	/// @param tokenId Id for the token.
+	/// @param keys Properties keys. Empty keys for all propertyes.
+	/// @return Vector of properties key/value pairs.
+	/// @dev EVM selector for this function is: 0xefc26c69,
+	///  or in textual repr: tokenProperties(uint256,string[])
+	function tokenProperties(uint256 tokenId, string[] memory keys) public view returns (Tuple8[] memory) {
+		require(false, stub_error);
+		tokenId;
+		keys;
+		dummy;
+		return new Tuple8[](0);
+	}
+
 	/// @notice Set or reaffirm the approved address for an NFT
 	/// @dev The zero address indicates there is no approved address.
 	/// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized
@@ -841,6 +877,12 @@
 	string field_1;
 }
 
+/// @dev anonymous struct
+struct Tuple8 {
+	string field_0;
+	bytes field_1;
+}
+
 /// @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

--- a/pallets/refungible/CHANGELOG.md
+++ b/pallets/refungible/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 <!-- bureaucrate goes here -->
 
+## [0.2.9] - 2022-11-18
+
+### Added
+
+- The functions `description`, `crossOwnerOf`, `tokenProperties` to `ERC721UniqueExtensions` interface.
+
 ## [0.2.8] - 2022-11-14
 
 ### Changed

--- a/pallets/refungible/src/erc.rs
+++ b/pallets/refungible/src/erc.rs
@@ -33,6 +33,7 @@
 use pallet_common::{
 	CollectionHandle, CollectionPropertyPermissions,
 	erc::{CommonEvmHandler, CollectionCall, static_property::key},
+	CommonCollectionOperations,
 };
 use pallet_evm::{account::CrossAccountId, PrecompileHandle};
 use pallet_evm_coder_substrate::{call, dispatch_to_evm};
@@ -273,7 +274,7 @@
 #[solidity_interface(name = ERC721Metadata)]
 impl<T: Config> RefungibleHandle<T>
 where
-	T::AccountId: From<[u8; 32]>,
+	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,
 {
 	/// @notice A descriptive name for a collection of NFTs in this contract
 	/// @dev real implementation of this function lies in `ERC721UniqueExtensions`
@@ -713,7 +714,7 @@
 #[solidity_interface(name = ERC721UniqueExtensions)]
 impl<T: Config> RefungibleHandle<T>
 where
-	T::AccountId: From<[u8; 32]>,
+	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,
 {
 	/// @notice A descriptive name for a collection of NFTs in this contract
 	fn name(&self) -> Result<string> {
@@ -727,6 +728,55 @@
 		Ok(string::from_utf8_lossy(&self.token_prefix).into())
 	}
 
+	/// @notice A description for the collection.
+	fn description(&self) -> Result<string> {
+		Ok(decode_utf16(self.description.iter().copied())
+			.map(|r| r.unwrap_or(REPLACEMENT_CHARACTER))
+			.collect::<string>())
+	}
+
+	/// Returns the owner (in cross format) of the token.
+	///
+	/// @param tokenId Id for the token.
+	fn cross_owner_of(&self, token_id: uint256) -> Result<EthCrossAccount> {
+		Self::token_owner(&self, token_id.try_into()?)
+			.map(|o| EthCrossAccount::from_sub_cross_account::<T>(&o))
+			.ok_or(Error::Revert("key too large".into()))
+	}
+
+	/// Returns the token properties.
+	///
+	/// @param tokenId Id for the token.
+	/// @param keys Properties keys. Empty keys for all propertyes.
+	/// @return Vector of properties key/value pairs.
+	fn token_properties(
+		&self,
+		token_id: uint256,
+		keys: Vec<string>,
+	) -> Result<Vec<(string, bytes)>> {
+		let keys = keys
+			.into_iter()
+			.map(|key| {
+				<Vec<u8>>::from(key)
+					.try_into()
+					.map_err(|_| Error::Revert("key too large".into()))
+			})
+			.collect::<Result<Vec<_>>>()?;
+
+		<Self as CommonCollectionOperations<T>>::token_properties(
+			&self,
+			token_id.try_into()?,
+			if keys.is_empty() { None } else { Some(keys) },
+		)
+		.into_iter()
+		.map(|p| {
+			let key = string::from_utf8(p.key.to_vec())
+				.map_err(|e| Error::Revert(alloc::format!("{}", e)))?;
+			let value = bytes(p.value.to_vec());
+			Ok((key, value))
+		})
+		.collect::<Result<Vec<_>>>()
+	}
 	/// @notice Transfer ownership of an RFT
 	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
 	///  is the zero address. Throws if `tokenId` is not a valid RFT.

--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -700,6 +700,42 @@
 		return "";
 	}
 
+	/// @notice A description for the collection.
+	/// @dev EVM selector for this function is: 0x7284e416,
+	///  or in textual repr: description()
+	function description() public view returns (string memory) {
+		require(false, stub_error);
+		dummy;
+		return "";
+	}
+
+	/// Returns the owner (in cross format) of the token.
+	///
+	/// @param tokenId Id for the token.
+	/// @dev EVM selector for this function is: 0x2b29dace,
+	///  or in textual repr: crossOwnerOf(uint256)
+	function crossOwnerOf(uint256 tokenId) public view returns (EthCrossAccount memory) {
+		require(false, stub_error);
+		tokenId;
+		dummy;
+		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+	}
+
+	/// Returns the token properties.
+	///
+	/// @param tokenId Id for the token.
+	/// @param keys Properties keys. Empty keys for all propertyes.
+	/// @return Vector of properties key/value pairs.
+	/// @dev EVM selector for this function is: 0xefc26c69,
+	///  or in textual repr: tokenProperties(uint256,string[])
+	function tokenProperties(uint256 tokenId, string[] memory keys) public view returns (Tuple8[] memory) {
+		require(false, stub_error);
+		tokenId;
+		keys;
+		dummy;
+		return new Tuple8[](0);
+	}
+
 	/// @notice Transfer ownership of an RFT
 	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
 	///  is the zero address. Throws if `tokenId` is not a valid RFT.
@@ -840,6 +876,12 @@
 	string field_1;
 }
 
+/// @dev anonymous struct
+struct Tuple8 {
+	string field_0;
+	bytes field_1;
+}
+
 /// @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

--- a/tests/src/eth/abi/fungible.json
+++ b/tests/src/eth/abi/fungible.json
@@ -283,6 +283,13 @@
   },
   {
     "inputs": [],
+    "name": "description",
+    "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
     "name": "hasCollectionPendingSponsor",
     "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
     "stateMutability": "view",

--- a/tests/src/eth/abi/nonFungible.json
+++ b/tests/src/eth/abi/nonFungible.json
@@ -297,6 +297,25 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
+    ],
+    "name": "crossOwnerOf",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "eth", "type": "address" },
+          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+        ],
+        "internalType": "struct EthCrossAccount",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "string[]", "name": "keys", "type": "string[]" }
     ],
     "name": "deleteCollectionProperties",
@@ -316,6 +335,13 @@
   },
   {
     "inputs": [],
+    "name": "description",
+    "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
     "name": "finishMinting",
     "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
     "stateMutability": "nonpayable",
@@ -641,6 +667,26 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "tokenId", "type": "uint256" },
+      { "internalType": "string[]", "name": "keys", "type": "string[]" }
+    ],
+    "name": "tokenProperties",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "string", "name": "field_0", "type": "string" },
+          { "internalType": "bytes", "name": "field_1", "type": "bytes" }
+        ],
+        "internalType": "struct Tuple8[]",
+        "name": "",
+        "type": "tuple[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
     ],
     "name": "tokenURI",

--- a/tests/src/eth/abi/reFungible.json
+++ b/tests/src/eth/abi/reFungible.json
@@ -279,6 +279,25 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
+    ],
+    "name": "crossOwnerOf",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "eth", "type": "address" },
+          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+        ],
+        "internalType": "struct EthCrossAccount",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "string[]", "name": "keys", "type": "string[]" }
     ],
     "name": "deleteCollectionProperties",
@@ -298,6 +317,13 @@
   },
   {
     "inputs": [],
+    "name": "description",
+    "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
     "name": "finishMinting",
     "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
     "stateMutability": "nonpayable",
@@ -632,6 +658,26 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "tokenId", "type": "uint256" },
+      { "internalType": "string[]", "name": "keys", "type": "string[]" }
+    ],
+    "name": "tokenProperties",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "string", "name": "field_0", "type": "string" },
+          { "internalType": "bytes", "name": "field_1", "type": "bytes" }
+        ],
+        "internalType": "struct Tuple8[]",
+        "name": "",
+        "type": "tuple[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
     ],
     "name": "tokenURI",

--- a/tests/src/eth/api/UniqueFungible.sol
+++ b/tests/src/eth/api/UniqueFungible.sol
@@ -292,6 +292,11 @@
 
 /// @dev the ERC-165 identifier for this interface is 0x29f4dcd9
 interface ERC20UniqueExtensions is Dummy, ERC165 {
+	/// @notice A description for the collection.
+	/// @dev EVM selector for this function is: 0x7284e416,
+	///  or in textual repr: description()
+	function description() external view returns (string memory);
+
 	/// @dev EVM selector for this function is: 0x0ecd0ab0,
 	///  or in textual repr: approveCross((address,uint256),uint256)
 	function approveCross(EthCrossAccount memory spender, uint256 amount) external returns (bool);

--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -45,7 +45,7 @@
 	/// @param properties settable properties
 	/// @dev EVM selector for this function is: 0x14ed3a6e,
 	///  or in textual repr: setProperties(uint256,(string,bytes)[])
-	function setProperties(uint256 tokenId, Property[] memory properties) external;
+	function setProperties(uint256 tokenId, Tuple21[] memory properties) external;
 
 	// /// @notice Delete token property value.
 	// /// @dev Throws error if `msg.sender` has no permission to edit the property.
@@ -95,7 +95,7 @@
 	/// @param properties Vector of properties key/value pair.
 	/// @dev EVM selector for this function is: 0x50b26b2a,
 	///  or in textual repr: setCollectionProperties((string,bytes)[])
-	function setCollectionProperties(Property[] memory properties) external;
+	function setCollectionProperties(Tuple21[] memory properties) external;
 
 	// /// Delete collection property.
 	// ///
@@ -127,7 +127,7 @@
 	/// @return Vector of properties key/value pairs.
 	/// @dev EVM selector for this function is: 0x285fb8e6,
 	///  or in textual repr: collectionProperties(string[])
-	function collectionProperties(string[] memory keys) external view returns (Tuple23[] memory);
+	function collectionProperties(string[] memory keys) external view returns (Tuple21[] memory);
 
 	// /// Set the sponsor of the collection.
 	// ///
@@ -169,7 +169,7 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x6ec0a9f1,
 	///  or in textual repr: collectionSponsor()
-	function collectionSponsor() external view returns (Tuple26 memory);
+	function collectionSponsor() external view returns (Tuple24 memory);
 
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
@@ -346,13 +346,13 @@
 }
 
 /// @dev anonymous struct
-struct Tuple26 {
+struct Tuple24 {
 	address field_0;
 	uint256 field_1;
 }
 
 /// @dev anonymous struct
-struct Tuple23 {
+struct Tuple21 {
 	string field_0;
 	bytes field_1;
 }
@@ -452,7 +452,7 @@
 }
 
 /// @title Unique extensions for ERC721.
-/// @dev the ERC-165 identifier for this interface is 0x0e9fc611
+/// @dev the ERC-165 identifier for this interface is 0x244543ee
 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,
@@ -464,6 +464,27 @@
 	///  or in textual repr: symbol()
 	function symbol() external view returns (string memory);
 
+	/// @notice A description for the collection.
+	/// @dev EVM selector for this function is: 0x7284e416,
+	///  or in textual repr: description()
+	function description() external view returns (string memory);
+
+	/// Returns the owner (in cross format) of the token.
+	///
+	/// @param tokenId Id for the token.
+	/// @dev EVM selector for this function is: 0x2b29dace,
+	///  or in textual repr: crossOwnerOf(uint256)
+	function crossOwnerOf(uint256 tokenId) external view returns (EthCrossAccount memory);
+
+	/// Returns the token properties.
+	///
+	/// @param tokenId Id for the token.
+	/// @param keys Properties keys. Empty keys for all propertyes.
+	/// @return Vector of properties key/value pairs.
+	/// @dev EVM selector for this function is: 0xefc26c69,
+	///  or in textual repr: tokenProperties(uint256,string[])
+	function tokenProperties(uint256 tokenId, string[] memory keys) external view returns (Tuple7[] memory);
+
 	/// @notice Set or reaffirm the approved address for an NFT
 	/// @dev The zero address indicates there is no approved address.
 	/// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized
@@ -546,16 +567,22 @@
 	// /// @param tokens array of pairs of token ID and token URI for minted tokens
 	// /// @dev EVM selector for this function is: 0x36543006,
 	// ///  or in textual repr: mintBulkWithTokenURI(address,(uint256,string)[])
-	// function mintBulkWithTokenURI(address to, Tuple11[] memory tokens) external returns (bool);
+	// function mintBulkWithTokenURI(address to, Tuple10[] memory tokens) external returns (bool);
 
 }
 
 /// @dev anonymous struct
-struct Tuple11 {
+struct Tuple10 {
 	uint256 field_0;
 	string field_1;
 }
 
+/// @dev anonymous struct
+struct Tuple7 {
+	string field_0;
+	bytes field_1;
+}
+
 /// @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

--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -462,6 +462,27 @@
 	///  or in textual repr: symbol()
 	function symbol() external view returns (string memory);
 
+	/// @notice A description for the collection.
+	/// @dev EVM selector for this function is: 0x7284e416,
+	///  or in textual repr: description()
+	function description() external view returns (string memory);
+
+	/// Returns the owner (in cross format) of the token.
+	///
+	/// @param tokenId Id for the token.
+	/// @dev EVM selector for this function is: 0x2b29dace,
+	///  or in textual repr: crossOwnerOf(uint256)
+	function crossOwnerOf(uint256 tokenId) external view returns (EthCrossAccount memory);
+
+	/// Returns the token properties.
+	///
+	/// @param tokenId Id for the token.
+	/// @param keys Properties keys. Empty keys for all propertyes.
+	/// @return Vector of properties key/value pairs.
+	/// @dev EVM selector for this function is: 0xefc26c69,
+	///  or in textual repr: tokenProperties(uint256,string[])
+	function tokenProperties(uint256 tokenId, string[] memory keys) external view returns (Tuple7[] memory);
+
 	/// @notice Transfer ownership of an RFT
 	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
 	///  is the zero address. Throws if `tokenId` is not a valid RFT.
@@ -555,6 +576,12 @@
 	string field_1;
 }
 
+/// @dev anonymous struct
+struct Tuple7 {
+	string field_0;
+	bytes field_1;
+}
+
 /// @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

--- a/tests/src/eth/base.test.ts
+++ b/tests/src/eth/base.test.ts
@@ -117,7 +117,7 @@
   });
 
   itEth('ERC721UniqueExtensions support', async ({helper}) => {
-    await checkInterface(helper, '0x0e9fc611', true, true);
+    await checkInterface(helper, '0x922a115f', true, true);
   });
 
   itEth('ERC721Burnable - 0x42966c68 - support', async ({helper}) => {

--- a/tests/src/eth/createFTCollection.test.ts
+++ b/tests/src/eth/createFTCollection.test.ts
@@ -36,9 +36,11 @@
     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.createFungibleCollection(owner, 'Sponsor', DECIMALS, 'absolutely anything', 'ENVY');
+    const description = 'absolutely anything';
+    
+    const {collectionId, collectionAddress} = await helper.eth.createFungibleCollection(owner, 'Sponsor', DECIMALS, description, 'ENVY');
 
-    const collection = helper.ethNativeContract.collection(collectionAddress, 'rft', owner, true);
+    const collection = helper.ethNativeContract.collection(collectionAddress, 'ft', owner, true);
     await collection.methods.setCollectionSponsor(sponsor).send();
 
     let data = (await helper.rft.getData(collectionId))!;
@@ -57,8 +59,9 @@
     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.createFungibleCollection(owner, 'Sponsor', DECIMALS, 'absolutely anything', 'ENVY');
-
+    const description = 'absolutely anything';
+    const {collectionId, collectionAddress} = await helper.eth.createFungibleCollection(owner, 'Sponsor', DECIMALS, description, 'ENVY');
+    
     const collection = helper.ethNativeContract.collection(collectionAddress, 'rft', owner);
     const sponsorCross = helper.ethCrossAccount.fromAddress(sponsor);
     await collection.methods.setCollectionSponsorCross(sponsorCross).send();
@@ -73,6 +76,7 @@
 
     data = (await helper.rft.getData(collectionId))!;
     expect(data.raw.sponsorship.Confirmed).to.be.equal(evmToAddress(sponsor, Number(ss58Format)));
+    expect(await collection.methods.description().call()).to.deep.equal(description);
   });
 
   itEth('Set limits', async ({helper}) => {

--- a/tests/src/eth/createNFTCollection.test.ts
+++ b/tests/src/eth/createNFTCollection.test.ts
@@ -28,7 +28,7 @@
     });
   });
 
-  itEth('Create collection with properties', async ({helper}) => {
+  itEth('Create collection with properties & get desctription', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
 
     const name = 'CollectionEVM';
@@ -37,7 +37,8 @@
     const baseUri = 'BaseURI';
 
     const {collectionId, collectionAddress, events} = await helper.eth.createERC721MetadataCompatibleNFTCollection(owner, name, description, prefix, baseUri);
-
+    const contract = helper.ethNativeContract.collection(collectionAddress, 'nft');
+    
     expect(events).to.be.deep.equal([
       {
         address: '0x6C4E9fE1AE37a41E93CEE429e8E1881aBdcbb54F',
@@ -56,7 +57,9 @@
     expect(data.description).to.be.eq(description);
     expect(data.raw.tokenPrefix).to.be.eq(prefix);
     expect(data.raw.mode).to.be.eq('NFT');
-
+    
+    expect(await contract.methods.description().call()).to.deep.equal(description);
+    
     const options = await collection.getOptions();
     expect(options.tokenPropertyPermissions).to.be.deep.equal([
       {
@@ -92,11 +95,12 @@
     expect(data.raw.sponsorship.Confirmed).to.be.equal(evmToAddress(sponsor, Number(ss58Format)));
   });
 
-  itEth('[cross] Set sponsorship', async ({helper}) => {
+  itEth('[cross] Set sponsorship & get description', async ({helper}) => {
     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.createNFTCollection(owner, 'Sponsor', 'absolutely anything', 'ROC');
+    const description = 'absolutely anything';
+    const {collectionId, collectionAddress} = await helper.eth.createNFTCollection(owner, 'Sponsor', description, 'ROC');
 
     const collection = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
     const sponsorCross = helper.ethCrossAccount.fromAddress(sponsor);
@@ -112,6 +116,8 @@
 
     data = (await helper.nft.getData(collectionId))!;
     expect(data.raw.sponsorship.Confirmed).to.be.equal(evmToAddress(sponsor, Number(ss58Format)));
+    
+    expect(await sponsorCollection.methods.description().call()).to.deep.equal(description);
   });
 
   itEth('Set limits', async ({helper}) => {

--- a/tests/src/eth/createRFTCollection.test.ts
+++ b/tests/src/eth/createRFTCollection.test.ts
@@ -53,7 +53,7 @@
 
   
 
-  itEth('Create collection with properties', async ({helper}) => {
+  itEth('Create collection with properties & get description', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
 
     const name = 'CollectionEVM';
@@ -61,7 +61,8 @@
     const prefix = 'token prefix';
     const baseUri = 'BaseURI';
 
-    const {collectionId} = await helper.eth.createERC721MetadataCompatibleRFTCollection(owner, name, description, prefix, baseUri);
+    const {collectionId, collectionAddress} = await helper.eth.createERC721MetadataCompatibleRFTCollection(owner, name, description, prefix, baseUri);
+    const contract = helper.ethNativeContract.collection(collectionAddress, 'nft');
 
     const collection = helper.rft.getCollectionObject(collectionId);
     const data = (await collection.getData())!;
@@ -71,6 +72,8 @@
     expect(data.raw.tokenPrefix).to.be.eq(prefix);
     expect(data.raw.mode).to.be.eq('ReFungible');
 
+    expect(await contract.methods.description().call()).to.deep.equal(description);
+
     const options = await collection.getOptions();
     expect(options.tokenPropertyPermissions).to.be.deep.equal([
       {

--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -17,6 +17,7 @@
 import {itEth, usingEthPlaygrounds, expect, EthUniqueHelper} from './util';
 import {IKeyringPair} from '@polkadot/types/types';
 import {Contract} from 'web3-eth-contract';
+import exp from 'constants';
 
 
 describe('NFT: Information getting', () => {
@@ -149,7 +150,7 @@
     });
   });
 
-  itEth('Can perform mint()', async ({helper}) => {
+  itEth('Can perform mint() & get crossOwner()', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
     const receiver = helper.eth.createAccount();
 
@@ -166,7 +167,8 @@
     expect(event.returnValues.to).to.be.equal(receiver);
 
     expect(await contract.methods.tokenURI(tokenId).call()).to.be.equal('Test URI');
-
+    console.log(await contract.methods.crossOwnerOf(tokenId).call());
+    expect(await contract.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
     // TODO: this wont work right now, need release 919000 first
     // await helper.methods.setOffchainSchema(collectionIdAddress, 'https://offchain-service.local/token-info/{id}').send();
     // const tokenUri = await contract.methods.tokenURI(nextTokenId).call();

--- a/tests/src/eth/reFungible.test.ts
+++ b/tests/src/eth/reFungible.test.ts
@@ -117,7 +117,7 @@
     });
   });
 
-  itEth('Can perform mint()', async ({helper}) => {
+  itEth('Can perform mint() & crossOwnerOf()', async ({helper}) => {
     const owner = await helper.eth.createAccountWithBalance(donor);
     const receiver = helper.eth.createAccount();
     const {collectionAddress} = await helper.eth.createERC721MetadataCompatibleRFTCollection(owner, 'Minty', '6', '6', '');
@@ -132,6 +132,7 @@
     const tokenId = event.returnValues.tokenId;
     expect(tokenId).to.be.equal('1');
 
+    expect(await contract.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
     expect(await contract.methods.tokenURI(tokenId).call()).to.be.equal('Test URI');
   });