git.delta.rocks / unique-network / refs/commits / e0f86c78a536

difftreelog

feat add allowanceCross method

Trubnikov Sergey2023-02-01parent: #0ba1adb.patch.diff
in: master

22 files changed

modifiedCargo.lockdiffbeforeafterboth
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6360,7 +6360,7 @@
 
 [[package]]
 name = "pallet-fungible"
-version = "0.1.9"
+version = "0.1.10"
 dependencies = [
  "evm-coder",
  "frame-benchmarking",
@@ -6773,7 +6773,7 @@
 
 [[package]]
 name = "pallet-refungible"
-version = "0.2.12"
+version = "0.2.13"
 dependencies = [
  "evm-coder",
  "frame-benchmarking",
modifiedpallets/evm-contract-helpers/src/stubs/ContractHelpers.rawdiffbeforeafterboth

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modifiedpallets/fungible/CHANGELOG.mddiffbeforeafterboth
--- a/pallets/fungible/CHANGELOG.md
+++ b/pallets/fungible/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 <!-- bureaucrate goes here -->
 
+## [0.1.10] - 2023-02-01
+
+### Added
+
+- The functions `allowanceCross` to `ERC20UniqueExtensions` interface.
+
 ## [0.1.9] - 2022-12-01
 
 ### Added
modifiedpallets/fungible/Cargo.tomldiffbeforeafterboth
--- a/pallets/fungible/Cargo.toml
+++ b/pallets/fungible/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 license = "GPLv3"
 name = "pallet-fungible"
-version = "0.1.9"
+version = "0.1.10"
 
 [dependencies]
 # Note: `package = "parity-scale-codec"` must be supplied since the `Encode` macro searches for it.
modifiedpallets/fungible/src/erc.rsdiffbeforeafterboth
--- a/pallets/fungible/src/erc.rs
+++ b/pallets/fungible/src/erc.rs
@@ -161,6 +161,21 @@
 where
 	T::AccountId: From<[u8; 32]>,
 {
+	/// @dev Function to check the amount of tokens that an owner allowed to a spender.
+	/// @param owner crossAddress The address which owns the funds.
+	/// @param spender crossAddress The address which will spend the funds.
+	/// @return A uint256 specifying the amount of tokens still available for the spender.
+	fn allowance_cross(
+		&self,
+		owner: pallet_common::eth::CrossAddress,
+		spender: pallet_common::eth::CrossAddress,
+	) -> Result<U256> {
+		let owner = owner.into_sub_cross_account::<T>()?;
+		let spender = spender.into_sub_cross_account::<T>()?;
+
+		Ok(<Allowance<T>>::get((self.id, owner, spender)).into())
+	}
+
 	/// @notice A description for the collection.
 	fn description(&self) -> Result<String> {
 		Ok(decode_utf16(self.description.iter().copied())
modifiedpallets/fungible/src/stubs/UniqueFungible.rawdiffbeforeafterboth

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modifiedpallets/fungible/src/stubs/UniqueFungible.soldiffbeforeafterboth
--- a/pallets/fungible/src/stubs/UniqueFungible.sol
+++ b/pallets/fungible/src/stubs/UniqueFungible.sol
@@ -511,8 +511,22 @@
 	bytes value;
 }
 
-/// @dev the ERC-165 identifier for this interface is 0x65789571
+/// @dev the ERC-165 identifier for this interface is 0x85d7dea6
 contract ERC20UniqueExtensions is Dummy, ERC165 {
+	/// @dev Function to check the amount of tokens that an owner allowed to a spender.
+	/// @param owner crossAddress The address which owns the funds.
+	/// @param spender crossAddress The address which will spend the funds.
+	/// @return A uint256 specifying the amount of tokens still available for the spender.
+	/// @dev EVM selector for this function is: 0xe0af4bd7,
+	///  or in textual repr: allowanceCross((address,uint256),(address,uint256))
+	function allowanceCross(CrossAddress memory owner, CrossAddress memory spender) public view returns (uint256) {
+		require(false, stub_error);
+		owner;
+		spender;
+		dummy;
+		return 0;
+	}
+
 	/// @notice A description for the collection.
 	/// @dev EVM selector for this function is: 0x7284e416,
 	///  or in textual repr: description()
@@ -576,7 +590,7 @@
 	/// @param amounts array of pairs of account address and amount
 	/// @dev EVM selector for this function is: 0x1acf2d55,
 	///  or in textual repr: mintBulk((address,uint256)[])
-	function mintBulk(Tuple9[] memory amounts) public returns (bool) {
+	function mintBulk(Tuple11[] memory amounts) public returns (bool) {
 		require(false, stub_error);
 		amounts;
 		dummy = 0;
@@ -619,7 +633,7 @@
 }
 
 /// @dev anonymous struct
-struct Tuple9 {
+struct Tuple11 {
 	address field_0;
 	uint256 field_1;
 }
modifiedpallets/nonfungible/src/stubs/UniqueNFT.rawdiffbeforeafterboth

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modifiedpallets/refungible/CHANGELOG.mddiffbeforeafterboth
--- a/pallets/refungible/CHANGELOG.md
+++ b/pallets/refungible/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 <!-- bureaucrate goes here -->
 
+## [0.2.13] - 2023-02-01
+
+### Added
+
+- The functions `allowanceCross` to `ERC20UniqueExtensions` interface.
+
 ## [0.2.12] - 2023-01-20
 
 ### Fixed
modifiedpallets/refungible/Cargo.tomldiffbeforeafterboth
--- a/pallets/refungible/Cargo.toml
+++ b/pallets/refungible/Cargo.toml
@@ -2,7 +2,7 @@
 edition = "2021"
 license = "GPLv3"
 name = "pallet-refungible"
-version = "0.2.12"
+version = "0.2.13"
 
 [dependencies]
 # Note: `package = "parity-scale-codec"` must be supplied since the `Encode` macro searches for it.
modifiedpallets/refungible/src/erc_token.rsdiffbeforeafterboth
--- a/pallets/refungible/src/erc_token.rs
+++ b/pallets/refungible/src/erc_token.rs
@@ -203,6 +203,21 @@
 where
 	T::AccountId: From<[u8; 32]>,
 {
+	/// @dev Function to check the amount of tokens that an owner allowed to a spender.
+	/// @param owner crossAddress The address which owns the funds.
+	/// @param spender crossAddress The address which will spend the funds.
+	/// @return A uint256 specifying the amount of tokens still available for the spender.
+	fn allowance_cross(
+		&self,
+		owner: pallet_common::eth::CrossAddress,
+		spender: pallet_common::eth::CrossAddress,
+	) -> Result<U256> {
+		let owner = owner.into_sub_cross_account::<T>()?;
+		let spender = spender.into_sub_cross_account::<T>()?;
+
+		Ok(<Allowance<T>>::get((self.id, self.1, owner, spender)).into())
+	}
+
 	/// @dev Function that burns an amount of the token of a given account,
 	/// deducting from the sender's allowance for said account.
 	/// @param from The account whose tokens will be burnt.
modifiedpallets/refungible/src/stubs/UniqueRefungible.rawdiffbeforeafterboth

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modifiedpallets/refungible/src/stubs/UniqueRefungibleToken.rawdiffbeforeafterboth

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modifiedpallets/refungible/src/stubs/UniqueRefungibleToken.soldiffbeforeafterboth
--- a/pallets/refungible/src/stubs/UniqueRefungibleToken.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungibleToken.sol
@@ -36,8 +36,22 @@
 	}
 }
 
-/// @dev the ERC-165 identifier for this interface is 0xe17a7d2b
+/// @dev the ERC-165 identifier for this interface is 0x01d536fc
 contract ERC20UniqueExtensions is Dummy, ERC165 {
+	/// @dev Function to check the amount of tokens that an owner allowed to a spender.
+	/// @param owner crossAddress The address which owns the funds.
+	/// @param spender crossAddress The address which will spend the funds.
+	/// @return A uint256 specifying the amount of tokens still available for the spender.
+	/// @dev EVM selector for this function is: 0xe0af4bd7,
+	///  or in textual repr: allowanceCross((address,uint256),(address,uint256))
+	function allowanceCross(CrossAddress memory owner, CrossAddress memory spender) public view returns (uint256) {
+		require(false, stub_error);
+		owner;
+		spender;
+		dummy;
+		return 0;
+	}
+
 	// /// @dev Function that burns an amount of the token of a given account,
 	// /// deducting from the sender's allowance for said account.
 	// /// @param from The account whose tokens will be burnt.
modifiedpallets/unique/src/eth/stubs/CollectionHelpers.rawdiffbeforeafterboth

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modifiedruntime/common/ethereum/sponsoring/refungible.rsdiffbeforeafterboth
before · runtime/common/ethereum/sponsoring/refungible.rs
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617//! Implements EVM sponsoring logic via TransactionValidityHack1819use core::convert::TryInto;20use pallet_common::CollectionHandle;21use pallet_evm::account::CrossAccountId;22use pallet_fungible::Config as FungibleConfig;23use pallet_refungible::Config as RefungibleConfig;24use pallet_nonfungible::Config as NonfungibleConfig;25use pallet_unique::Config as UniqueConfig;26use up_data_structs::{CreateItemData, CreateNftData, TokenId};2728use super::common;29use crate::runtime_common::sponsoring::*;3031use pallet_refungible::{32	erc::{33		ERC721BurnableCall, ERC721Call, ERC721EnumerableCall, ERC721MetadataCall,34		ERC721UniqueExtensionsCall, ERC721UniqueMintableCall, TokenPropertiesCall,35		UniqueRefungibleCall,36	},37	erc_token::{38		ERC1633Call, ERC20Call, ERC20UniqueExtensionsCall, RefungibleTokenHandle,39		UniqueRefungibleTokenCall,40	},41};4243pub fn call_sponsor<T>(44	call: UniqueRefungibleCall<T>,45	collection: CollectionHandle<T>,46	who: &T::CrossAccountId,47) -> Option<()>48where49	T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,50{51	use UniqueRefungibleCall::*;5253	match call {54		// Readonly55		ERC165Call(_, _) => None,5657		ERC721Enumerable(call) => erc721::enumerable_call_sponsor(call, collection, who),58		ERC721Burnable(call) => erc721::burnable_call_sponsor(call, collection, who),59		ERC721Metadata(call) => erc721::metadata_call_sponsor(call, collection, who),60		Collection(call) => common::collection_call_sponsor(call, collection, who),61		ERC721(call) => erc721::call_sponsor(call, collection, who),62		ERC721UniqueExtensions(call) => {63			erc721::unique_extensions_call_sponsor(call, collection, who)64		}65		ERC721UniqueMintable(call) => erc721::unique_mintable_call_sponsor(call, collection, who),66		TokenProperties(call) => token_properties_call_sponsor(call, collection, who),67	}68}6970pub fn token_properties_call_sponsor<T>(71	call: TokenPropertiesCall<T>,72	collection: CollectionHandle<T>,73	who: &T::CrossAccountId,74) -> Option<()>75where76	T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,77{78	use TokenPropertiesCall::*;7980	match call {81		// Readonly82		ERC165Call(_, _) | Property { .. } | TokenPropertyPermissions => None,8384		// Not sponsored85		SetTokenPropertyPermission { .. }86		| SetTokenPropertyPermissions { .. }87		| SetProperties { .. }88		| DeleteProperty { .. }89		| DeleteProperties { .. } => None,9091		SetProperty {92			token_id,93			key,94			value,95			..96		} => {97			let token_id = TokenId::try_from(token_id).ok()?;98			withdraw_set_token_property::<T>(&collection, &who, &token_id, key.len() + value.len())99		}100	}101}102103pub fn token_call_sponsor<T>(104	call: UniqueRefungibleTokenCall<T>,105	token: RefungibleTokenHandle<T>,106	who: &T::CrossAccountId,107) -> Option<()>108where109	T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,110{111	use UniqueRefungibleTokenCall::*;112113	match call {114		// Readonly115		ERC165Call(_, _) => None,116117		ERC20(call) => erc20::call_sponsor(call, token, who),118		ERC20UniqueExtensions(call) => erc20::unique_extensions_call_sponsor(call, token, who),119		ERC1633(call) => erc1633::call_sponsor(call, token, who),120	}121}122123mod erc721 {124	use super::*;125126	pub fn call_sponsor<T>(127		call: ERC721Call<T>,128		collection: CollectionHandle<T>,129		_who: &T::CrossAccountId,130	) -> Option<()>131	where132		T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,133	{134		use ERC721Call::*;135136		match call {137			// Readonly138			ERC165Call(_, _)139			| BalanceOf { .. }140			| OwnerOf { .. }141			| GetApproved { .. }142			| IsApprovedForAll { .. } => None,143144			// Not sponsored145			SafeTransferFromWithData { .. }146			| SafeTransferFrom { .. }147			| SetApprovalForAll { .. } => None,148149			TransferFrom { token_id, from, .. } => {150				let token_id = TokenId::try_from(token_id).ok()?;151				let from = T::CrossAccountId::from_eth(from);152				withdraw_transfer::<T>(&collection, &from, &token_id)153			}154155			// Not supported156			Approve { .. } => None,157		}158	}159160	pub fn enumerable_call_sponsor<T>(161		call: ERC721EnumerableCall<T>,162		_collection: CollectionHandle<T>,163		_who: &T::CrossAccountId,164	) -> Option<()>165	where166		T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,167	{168		use ERC721EnumerableCall::*;169170		match call {171			// Readonly172			ERC165Call(_, _) | TokenByIndex { .. } | TokenOfOwnerByIndex { .. } | TotalSupply => {173				None174			}175		}176	}177178	pub fn burnable_call_sponsor<T>(179		call: ERC721BurnableCall<T>,180		_collection: CollectionHandle<T>,181		_who: &T::CrossAccountId,182	) -> Option<()>183	where184		T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,185	{186		use ERC721BurnableCall::*;187188		match call {189			// Readonly190			ERC165Call(_, _) => None,191192			// Not sponsored193			Burn { .. } => None,194		}195	}196197	pub fn metadata_call_sponsor<T>(198		call: ERC721MetadataCall<T>,199		_collection: CollectionHandle<T>,200		_who: &T::CrossAccountId,201	) -> Option<()>202	where203		T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,204	{205		use ERC721MetadataCall::*;206207		match call {208			// Readonly209			ERC165Call(_, _) | NameProxy | SymbolProxy | TokenUri { .. } => None,210		}211	}212213	pub fn unique_extensions_call_sponsor<T>(214		call: ERC721UniqueExtensionsCall<T>,215		collection: CollectionHandle<T>,216		who: &T::CrossAccountId,217	) -> Option<()>218	where219		T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,220	{221		use ERC721UniqueExtensionsCall::*;222223		match call {224			// Readonly225			ERC165Call(_, _)226			| Name227			| Symbol228			| Description229			| CrossOwnerOf { .. }230			| Properties { .. }231			| NextTokenId232			| TokenContractAddress { .. }233			| CollectionHelperAddress => None,234235			// Not sponsored236			BurnFrom { .. }237			| BurnFromCross { .. }238			| MintBulk { .. }239			| MintBulkWithTokenUri { .. } => None,240241			MintCross { .. } => withdraw_create_item::<T>(242				&collection,243				&who,244				&CreateItemData::NFT(CreateNftData::default()),245			),246247			TransferCross { token_id, .. }248			| TransferFromCross { token_id, .. }249			| Transfer { token_id, .. } => {250				let token_id = TokenId::try_from(token_id).ok()?;251				withdraw_transfer::<T>(&collection, &who, &token_id)252			}253		}254	}255256	pub fn unique_mintable_call_sponsor<T>(257		call: ERC721UniqueMintableCall<T>,258		collection: CollectionHandle<T>,259		who: &T::CrossAccountId,260	) -> Option<()>261	where262		T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,263	{264		use ERC721UniqueMintableCall::*;265266		match call {267			// Readonly268			ERC165Call(_, _) => None,269270			// Sponsored271			Mint { .. }272			| MintCheckId { .. }273			| MintWithTokenUri { .. }274			| MintWithTokenUriCheckId { .. } => withdraw_create_item::<T>(275				&collection,276				&who,277				&CreateItemData::NFT(CreateNftData::default()),278			),279		}280	}281}282283/// Module for methods of refungible token284///285/// Existance of token should be checked before searching for sponsor286/// because RefungibleTokenHandle doesn't check token's existence upon creation287mod erc20 {288	use super::*;289290	pub fn call_sponsor<T>(291		call: ERC20Call<T>,292		token: RefungibleTokenHandle<T>,293		who: &T::CrossAccountId,294	) -> Option<()>295	where296		T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,297	{298		use ERC20Call::*;299300		match call {301			// Readonly302			ERC165Call(_, _)303			| Name304			| Symbol305			| TotalSupply306			| Decimals307			| BalanceOf { .. }308			| Allowance { .. } => None,309310			Transfer { .. } => {311				let RefungibleTokenHandle(handle, token_id) = token;312				let token_id = token_id.try_into().ok()?;313				withdraw_transfer::<T>(&handle, &who, &token_id)314			}315			TransferFrom { from, .. } => {316				let RefungibleTokenHandle(handle, token_id) = token;317				let token_id = token_id.try_into().ok()?;318				let from = T::CrossAccountId::from_eth(from);319				withdraw_transfer::<T>(&handle, &from, &token_id)320			}321			Approve { .. } => {322				let RefungibleTokenHandle(handle, token_id) = token;323				let token_id = token_id.try_into().ok()?;324				withdraw_approve::<T>(&handle, who.as_sub(), &token_id)325			}326		}327	}328329	pub fn unique_extensions_call_sponsor<T>(330		call: ERC20UniqueExtensionsCall<T>,331		token: RefungibleTokenHandle<T>,332		who: &T::CrossAccountId,333	) -> Option<()>334	where335		T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,336	{337		use ERC20UniqueExtensionsCall::*;338339		match call {340			// Readonly341			ERC165Call(_, _) => None,342343			// Not sponsored344			BurnFrom { .. } | BurnFromCross { .. } | Repartition { .. } => None,345346			TransferCross { .. } | TransferFromCross { .. } => {347				let RefungibleTokenHandle(handle, token_id) = token;348				let token_id = token_id.try_into().ok()?;349				withdraw_transfer::<T>(&handle, &who, &token_id)350			}351352			ApproveCross { .. } => {353				let RefungibleTokenHandle(handle, token_id) = token;354				let token_id = token_id.try_into().ok()?;355				withdraw_approve::<T>(&handle, who.as_sub(), &token_id)356			}357		}358	}359}360361mod erc1633 {362	use super::*;363364	pub fn call_sponsor<T>(365		call: ERC1633Call<T>,366		_token: RefungibleTokenHandle<T>,367		_who: &T::CrossAccountId,368	) -> Option<()>369	where370		T: UniqueConfig + FungibleConfig + NonfungibleConfig + RefungibleConfig,371	{372		use ERC1633Call::*;373374		match call {375			// Readonly376			ERC165Call(_, _) | ParentToken | ParentTokenId => None,377		}378	}379}
modifiedtests/src/eth/abi/fungible.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/fungible.json
+++ b/tests/src/eth/abi/fungible.json
@@ -101,6 +101,32 @@
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
         "internalType": "struct CrossAddress",
+        "name": "owner",
+        "type": "tuple"
+      },
+      {
+        "components": [
+          { "internalType": "address", "name": "eth", "type": "address" },
+          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+        ],
+        "internalType": "struct CrossAddress",
+        "name": "spender",
+        "type": "tuple"
+      }
+    ],
+    "name": "allowanceCross",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "eth", "type": "address" },
+          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+        ],
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -411,7 +437,7 @@
           { "internalType": "address", "name": "field_0", "type": "address" },
           { "internalType": "uint256", "name": "field_1", "type": "uint256" }
         ],
-        "internalType": "struct Tuple9[]",
+        "internalType": "struct Tuple11[]",
         "name": "amounts",
         "type": "tuple[]"
       }
modifiedtests/src/eth/abi/reFungibleToken.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/reFungibleToken.json
+++ b/tests/src/eth/abi/reFungibleToken.json
@@ -61,6 +61,32 @@
   },
   {
     "inputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "eth", "type": "address" },
+          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+        ],
+        "internalType": "struct CrossAddress",
+        "name": "owner",
+        "type": "tuple"
+      },
+      {
+        "components": [
+          { "internalType": "address", "name": "eth", "type": "address" },
+          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+        ],
+        "internalType": "struct CrossAddress",
+        "name": "spender",
+        "type": "tuple"
+      }
+    ],
+    "name": "allowanceCross",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "address", "name": "spender", "type": "address" },
       { "internalType": "uint256", "name": "amount", "type": "uint256" }
     ],
modifiedtests/src/eth/api/UniqueFungible.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueFungible.sol
+++ b/tests/src/eth/api/UniqueFungible.sol
@@ -353,8 +353,16 @@
 	bytes value;
 }
 
-/// @dev the ERC-165 identifier for this interface is 0x65789571
+/// @dev the ERC-165 identifier for this interface is 0x85d7dea6
 interface ERC20UniqueExtensions is Dummy, ERC165 {
+	/// @dev Function to check the amount of tokens that an owner allowed to a spender.
+	/// @param owner crossAddress The address which owns the funds.
+	/// @param spender crossAddress The address which will spend the funds.
+	/// @return A uint256 specifying the amount of tokens still available for the spender.
+	/// @dev EVM selector for this function is: 0xe0af4bd7,
+	///  or in textual repr: allowanceCross((address,uint256),(address,uint256))
+	function allowanceCross(CrossAddress memory owner, CrossAddress memory spender) external view returns (uint256);
+
 	/// @notice A description for the collection.
 	/// @dev EVM selector for this function is: 0x7284e416,
 	///  or in textual repr: description()
@@ -390,7 +398,7 @@
 	/// @param amounts array of pairs of account address and amount
 	/// @dev EVM selector for this function is: 0x1acf2d55,
 	///  or in textual repr: mintBulk((address,uint256)[])
-	function mintBulk(Tuple9[] memory amounts) external returns (bool);
+	function mintBulk(Tuple11[] memory amounts) external returns (bool);
 
 	/// @dev EVM selector for this function is: 0x2ada85ff,
 	///  or in textual repr: transferCross((address,uint256),uint256)
@@ -411,7 +419,7 @@
 }
 
 /// @dev anonymous struct
-struct Tuple9 {
+struct Tuple11 {
 	address field_0;
 	uint256 field_1;
 }
modifiedtests/src/eth/api/UniqueRefungibleToken.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueRefungibleToken.sol
+++ b/tests/src/eth/api/UniqueRefungibleToken.sol
@@ -23,8 +23,16 @@
 	function parentTokenId() external view returns (uint256);
 }
 
-/// @dev the ERC-165 identifier for this interface is 0xe17a7d2b
+/// @dev the ERC-165 identifier for this interface is 0x01d536fc
 interface ERC20UniqueExtensions is Dummy, ERC165 {
+	/// @dev Function to check the amount of tokens that an owner allowed to a spender.
+	/// @param owner crossAddress The address which owns the funds.
+	/// @param spender crossAddress The address which will spend the funds.
+	/// @return A uint256 specifying the amount of tokens still available for the spender.
+	/// @dev EVM selector for this function is: 0xe0af4bd7,
+	///  or in textual repr: allowanceCross((address,uint256),(address,uint256))
+	function allowanceCross(CrossAddress memory owner, CrossAddress memory spender) external view returns (uint256);
+
 	// /// @dev Function that burns an amount of the token of a given account,
 	// /// deducting from the sender's allowance for said account.
 	// /// @param from The account whose tokens will be burnt.
modifiedtests/src/eth/fungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/fungible.test.ts
+++ b/tests/src/eth/fungible.test.ts
@@ -134,6 +134,12 @@
       const allowance = await contract.methods.allowance(owner, spender).call();
       expect(+allowance).to.equal(100);
     }
+    {
+      const ownerCross = helper.ethCrossAccount.fromAddress(owner);
+      const spenderCross = helper.ethCrossAccount.fromAddress(spender);
+      const allowance = await contract.methods.allowanceCross(ownerCross, spenderCross).call();
+      expect(+allowance).to.equal(100);
+    }
   });
 
   itEth('Can perform approveCross()', async ({helper}) => {
modifiedtests/src/eth/reFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/reFungible.test.ts
+++ b/tests/src/eth/reFungible.test.ts
@@ -219,8 +219,16 @@
       await rftToken.methods.approve(operator, 15n).send({from: owner});
       await contract.methods.setApprovalForAll(operator, true).send({from: owner});
       await rftToken.methods.burnFrom(owner, 10n).send({from: operator});
+    }
+    {
       const allowance = await rftToken.methods.allowance(owner, operator).call();
-      expect(allowance).to.be.equal('5');
+      expect(+allowance).to.be.equal(5);
+    }
+    {
+      const ownerCross = helper.ethCrossAccount.fromAddress(owner);
+      const operatorCross = helper.ethCrossAccount.fromAddress(operator);
+      const allowance = await rftToken.methods.allowanceCross(ownerCross, operatorCross).call();
+      expect(+allowance).to.equal(5);
     }
   });