git.delta.rocks / unique-network / refs/commits / 6e3cf5e45846

difftreelog

Merge pull request #919 from UniqueNetwork/feature/crossBalanceOf

Yaroslav Bolyukin2023-04-19parents: #c894432 #a1d8979.patch.diff
in: master

26 files changed

modifiedpallets/fungible/src/erc.rsdiffbeforeafterboth
--- a/pallets/fungible/src/erc.rs
+++ b/pallets/fungible/src/erc.rs
@@ -327,6 +327,15 @@
 	fn collection_helper_address(&self) -> Result<Address> {
 		Ok(T::ContractAddress::get())
 	}
+
+	/// @notice Balance of account
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of fingibles owned by `owner`, possibly zero
+	fn balance_of_cross(&self, owner: CrossAddress) -> Result<U256> {
+		self.consume_store_reads(1)?;
+		let balance = <Balance<T>>::get((self.id, owner.into_sub_cross_account::<T>()?));
+		Ok(balance.into())
+	}
 }
 
 #[solidity_interface(
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
@@ -511,7 +511,7 @@
 	bytes value;
 }
 
-/// @dev the ERC-165 identifier for this interface is 0x85d7dea6
+/// @dev the ERC-165 identifier for this interface is 0x69d14d3e
 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.
@@ -630,6 +630,18 @@
 		dummy;
 		return 0x0000000000000000000000000000000000000000;
 	}
+
+	/// @notice Balance of account
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of fingibles owned by `owner`, possibly zero
+	/// @dev EVM selector for this function is: 0xec069398,
+	///  or in textual repr: balanceOfCross((address,uint256))
+	function balanceOfCross(CrossAddress memory owner) public view returns (uint256) {
+		require(false, stub_error);
+		owner;
+		dummy;
+		return 0;
+	}
 }
 
 struct AmountForAddress {
modifiedpallets/nonfungible/src/erc.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/erc.rs
+++ b/pallets/nonfungible/src/erc.rs
@@ -749,12 +749,29 @@
 	/// Returns the owner (in cross format) of the token.
 	///
 	/// @param tokenId Id for the token.
+	#[solidity(hide)]
 	fn cross_owner_of(&self, token_id: U256) -> Result<eth::CrossAddress> {
+		Self::owner_of_cross(&self, token_id)
+	}
+
+	/// Returns the owner (in cross format) of the token.
+	///
+	/// @param tokenId Id for the token.
+	fn owner_of_cross(&self, token_id: U256) -> Result<eth::CrossAddress> {
 		Self::token_owner(&self, token_id.try_into()?)
 			.map(|o| eth::CrossAddress::from_sub_cross_account::<T>(&o))
 			.map_err(|_| Error::Revert("token not found".into()))
 	}
 
+	/// @notice Count all NFTs assigned to an owner
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of NFTs owned by `owner`, possibly zero
+	fn balance_of_cross(&self, owner: eth::CrossAddress) -> Result<U256> {
+		self.consume_store_reads(1)?;
+		let balance = <AccountBalance<T>>::get((self.id, owner.into_sub_cross_account::<T>()?));
+		Ok(balance.into())
+	}
+
 	/// Returns the token properties.
 	///
 	/// @param tokenId Id for the token.
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
@@ -774,7 +774,7 @@
 }
 
 /// @title Unique extensions for ERC721.
-/// @dev the ERC-165 identifier for this interface is 0x16de3152
+/// @dev the ERC-165 identifier for this interface is 0x307b061a
 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,
@@ -803,18 +803,42 @@
 		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 (CrossAddress memory) {
+	// 	require(false, stub_error);
+	// 	tokenId;
+	// 	dummy;
+	// 	return CrossAddress(0x0000000000000000000000000000000000000000,0);
+	// }
+
 	/// 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 (CrossAddress memory) {
+	/// @dev EVM selector for this function is: 0xcaa3a4d0,
+	///  or in textual repr: ownerOfCross(uint256)
+	function ownerOfCross(uint256 tokenId) public view returns (CrossAddress memory) {
 		require(false, stub_error);
 		tokenId;
 		dummy;
 		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
 	}
 
+	/// @notice Count all NFTs assigned to an owner
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of NFTs owned by `owner`, possibly zero
+	/// @dev EVM selector for this function is: 0xec069398,
+	///  or in textual repr: balanceOfCross((address,uint256))
+	function balanceOfCross(CrossAddress memory owner) public view returns (uint256) {
+		require(false, stub_error);
+		owner;
+		dummy;
+		return 0;
+	}
+
 	/// Returns the token properties.
 	///
 	/// @param tokenId Id for the token.
modifiedpallets/refungible/src/erc.rsdiffbeforeafterboth
--- a/pallets/refungible/src/erc.rs
+++ b/pallets/refungible/src/erc.rs
@@ -783,7 +783,15 @@
 	/// Returns the owner (in cross format) of the token.
 	///
 	/// @param tokenId Id for the token.
+	#[solidity(hide)]
 	fn cross_owner_of(&self, token_id: U256) -> Result<eth::CrossAddress> {
+		Self::owner_of_cross(&self, token_id)
+	}
+
+	/// Returns the owner (in cross format) of the token.
+	///
+	/// @param tokenId Id for the token.
+	fn owner_of_cross(&self, token_id: U256) -> Result<eth::CrossAddress> {
 		Self::token_owner(&self, token_id.try_into()?)
 			.map(|o| eth::CrossAddress::from_sub_cross_account::<T>(&o))
 			.or_else(|err| match err {
@@ -794,6 +802,15 @@
 			})
 	}
 
+	/// @notice Count all RFTs assigned to an owner
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of RFTs owned by `owner`, possibly zero
+	fn balance_of_cross(&self, owner: eth::CrossAddress) -> Result<U256> {
+		self.consume_store_reads(1)?;
+		let balance = <AccountBalance<T>>::get((self.id, owner.into_sub_cross_account::<T>()?));
+		Ok(balance.into())
+	}
+
 	/// Returns the token properties.
 	///
 	/// @param tokenId Id for the token.
modifiedpallets/refungible/src/erc_token.rsdiffbeforeafterboth
before · pallets/refungible/src/erc_token.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//! # Refungible Pallet EVM API for token pieces18//!19//! Provides ERC-20 standart support implementation and EVM API for unique extensions for Refungible Pallet.20//! Method implementations are mostly doing parameter conversion and calling Nonfungible Pallet methods.2122use core::{23	char::{REPLACEMENT_CHARACTER, decode_utf16},24	convert::TryInto,25	ops::Deref,26};27use evm_coder::{abi::AbiType, ToLog, generate_stubgen, solidity_interface, types::*};28use pallet_common::{29	erc::{CommonEvmHandler, PrecompileResult},30	eth::{collection_id_to_address, CrossAddress},31	CommonWeightInfo,32};33use pallet_evm::{account::CrossAccountId, PrecompileHandle};34use pallet_evm_coder_substrate::{35	call, dispatch_to_evm, WithRecorder, frontier_contract,36	execution::{Result, PreDispatch},37};38use pallet_structure::{SelfWeightOf as StructureWeight, weights::WeightInfo as _};39use sp_std::vec::Vec;40use sp_core::U256;41use up_data_structs::TokenId;4243use crate::{44	Allowance, Balance, Config, Pallet, RefungibleHandle, TotalSupply, common::CommonWeights,45	SelfWeightOf, weights::WeightInfo,46};4748/// Refungible token handle contains information about token's collection and id49///50/// RefungibleTokenHandle doesn't check token's existance upon creation51pub struct RefungibleTokenHandle<T: Config>(pub RefungibleHandle<T>, pub TokenId);5253frontier_contract! {54	macro_rules! RefungibleTokenHandle_result {...}55	impl<T: Config> Contract for RefungibleTokenHandle<T> {...}56}5758#[solidity_interface(name = ERC1633, enum(derive(PreDispatch)), enum_attr(weight))]59impl<T: Config> RefungibleTokenHandle<T> {60	fn parent_token(&self) -> Address {61		collection_id_to_address(self.id)62	}6364	fn parent_token_id(&self) -> U256 {65		self.1.into()66	}67}6869#[derive(ToLog)]70pub enum ERC20Events {71	/// @dev This event is emitted when the amount of tokens (value) is sent72	/// from the from address to the to address. In the case of minting new73	/// tokens, the transfer is usually from the 0 address while in the case74	/// of burning tokens the transfer is to 0.75	Transfer {76		#[indexed]77		from: Address,78		#[indexed]79		to: Address,80		value: U256,81	},82	/// @dev This event is emitted when the amount of tokens (value) is approved83	/// by the owner to be used by the spender.84	Approval {85		#[indexed]86		owner: Address,87		#[indexed]88		spender: Address,89		value: U256,90	},91}9293/// @title Standard ERC20 token94///95/// @dev Implementation of the basic standard token.96/// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md97#[solidity_interface(name = ERC20, events(ERC20Events), enum(derive(PreDispatch)), enum_attr(weight))]98impl<T: Config> RefungibleTokenHandle<T> {99	/// @return the name of the token.100	fn name(&self) -> String {101		decode_utf16(self.name.iter().copied())102			.map(|r| r.unwrap_or(REPLACEMENT_CHARACTER))103			.collect::<String>()104	}105106	/// @return the symbol of the token.107	fn symbol(&self) -> String {108		String::from_utf8_lossy(&self.token_prefix).into()109	}110111	/// @dev Total number of tokens in existence112	fn total_supply(&self) -> Result<U256> {113		self.consume_store_reads(1)?;114		Ok(<TotalSupply<T>>::get((self.id, self.1)).into())115	}116117	/// @dev Not supported118	fn decimals(&self) -> Result<u8> {119		// Decimals aren't supported for refungible tokens120		Ok(0)121	}122123	/// @dev Gets the balance of the specified address.124	/// @param owner The address to query the balance of.125	/// @return An uint256 representing the amount owned by the passed address.126	fn balance_of(&self, owner: Address) -> Result<U256> {127		self.consume_store_reads(1)?;128		let owner = T::CrossAccountId::from_eth(owner);129		let balance = <Balance<T>>::get((self.id, self.1, owner));130		Ok(balance.into())131	}132133	/// @dev Transfer token for a specified address134	/// @param to The address to transfer to.135	/// @param amount The amount to be transferred.136	#[weight(<CommonWeights<T>>::transfer())]137	fn transfer(&mut self, caller: Caller, to: Address, amount: U256) -> Result<bool> {138		let caller = T::CrossAccountId::from_eth(caller);139		let to = T::CrossAccountId::from_eth(to);140		let amount = amount.try_into().map_err(|_| "amount overflow")?;141		let budget = self142			.recorder143			.weight_calls_budget(<StructureWeight<T>>::find_parent());144145		<Pallet<T>>::transfer(self, &caller, &to, self.1, amount, &budget)146			.map_err(dispatch_to_evm::<T>)?;147		Ok(true)148	}149150	/// @dev Transfer tokens from one address to another151	/// @param from address The address which you want to send tokens from152	/// @param to address The address which you want to transfer to153	/// @param amount uint256 the amount of tokens to be transferred154	#[weight(<CommonWeights<T>>::transfer_from())]155	fn transfer_from(156		&mut self,157		caller: Caller,158		from: Address,159		to: Address,160		amount: U256,161	) -> Result<bool> {162		let caller = T::CrossAccountId::from_eth(caller);163		let from = T::CrossAccountId::from_eth(from);164		let to = T::CrossAccountId::from_eth(to);165		let amount = amount.try_into().map_err(|_| "amount overflow")?;166		let budget = self167			.recorder168			.weight_calls_budget(<StructureWeight<T>>::find_parent());169170		<Pallet<T>>::transfer_from(self, &caller, &from, &to, self.1, amount, &budget)171			.map_err(dispatch_to_evm::<T>)?;172		Ok(true)173	}174175	/// @dev Approve the passed address to spend the specified amount of tokens on behalf of `msg.sender`.176	/// Beware that changing an allowance with this method brings the risk that someone may use both the old177	/// and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this178	/// race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:179	/// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729180	/// @param spender The address which will spend the funds.181	/// @param amount The amount of tokens to be spent.182	#[weight(<SelfWeightOf<T>>::approve())]183	fn approve(&mut self, caller: Caller, spender: Address, amount: U256) -> Result<bool> {184		let caller = T::CrossAccountId::from_eth(caller);185		let spender = T::CrossAccountId::from_eth(spender);186		let amount = amount.try_into().map_err(|_| "amount overflow")?;187188		<Pallet<T>>::set_allowance(self, &caller, &spender, self.1, amount)189			.map_err(dispatch_to_evm::<T>)?;190		Ok(true)191	}192193	/// @dev Function to check the amount of tokens that an owner allowed to a spender.194	/// @param owner address The address which owns the funds.195	/// @param spender address The address which will spend the funds.196	/// @return A uint256 specifying the amount of tokens still available for the spender.197	fn allowance(&self, owner: Address, spender: Address) -> Result<U256> {198		self.consume_store_reads(1)?;199		let owner = T::CrossAccountId::from_eth(owner);200		let spender = T::CrossAccountId::from_eth(spender);201202		Ok(<Allowance<T>>::get((self.id, self.1, owner, spender)).into())203	}204}205206#[solidity_interface(name = ERC20UniqueExtensions, enum(derive(PreDispatch)), enum_attr(weight))]207impl<T: Config> RefungibleTokenHandle<T>208where209	T::AccountId: From<[u8; 32]>,210{211	/// @dev Function to check the amount of tokens that an owner allowed to a spender.212	/// @param owner crossAddress The address which owns the funds.213	/// @param spender crossAddress The address which will spend the funds.214	/// @return A uint256 specifying the amount of tokens still available for the spender.215	fn allowance_cross(&self, owner: CrossAddress, spender: CrossAddress) -> Result<U256> {216		let owner = owner.into_sub_cross_account::<T>()?;217		let spender = spender.into_sub_cross_account::<T>()?;218219		Ok(<Allowance<T>>::get((self.id, self.1, owner, spender)).into())220	}221222	/// @dev Function that burns an amount of the token of a given account,223	/// deducting from the sender's allowance for said account.224	/// @param from The account whose tokens will be burnt.225	/// @param amount The amount that will be burnt.226	#[weight(<SelfWeightOf<T>>::burn_from())]227	#[solidity(hide)]228	fn burn_from(&mut self, caller: Caller, from: Address, amount: U256) -> Result<bool> {229		let caller = T::CrossAccountId::from_eth(caller);230		let from = T::CrossAccountId::from_eth(from);231		let amount = amount.try_into().map_err(|_| "amount overflow")?;232		let budget = self233			.recorder234			.weight_calls_budget(<StructureWeight<T>>::find_parent());235236		<Pallet<T>>::burn_from(self, &caller, &from, self.1, amount, &budget)237			.map_err(dispatch_to_evm::<T>)?;238		Ok(true)239	}240241	/// @dev Function that burns an amount of the token of a given account,242	/// deducting from the sender's allowance for said account.243	/// @param from The account whose tokens will be burnt.244	/// @param amount The amount that will be burnt.245	#[weight(<SelfWeightOf<T>>::burn_from())]246	fn burn_from_cross(247		&mut self,248		caller: Caller,249		from: CrossAddress,250		amount: U256,251	) -> Result<bool> {252		let caller = T::CrossAccountId::from_eth(caller);253		let from = from.into_sub_cross_account::<T>()?;254		let amount = amount.try_into().map_err(|_| "amount overflow")?;255		let budget = self256			.recorder257			.weight_calls_budget(<StructureWeight<T>>::find_parent());258259		<Pallet<T>>::burn_from(self, &caller, &from, self.1, amount, &budget)260			.map_err(dispatch_to_evm::<T>)?;261		Ok(true)262	}263264	/// @dev Approve the passed address to spend the specified amount of tokens on behalf of `msg.sender`.265	/// Beware that changing an allowance with this method brings the risk that someone may use both the old266	/// and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this267	/// race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:268	/// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729269	/// @param spender The crossaccount which will spend the funds.270	/// @param amount The amount of tokens to be spent.271	#[weight(<SelfWeightOf<T>>::approve())]272	fn approve_cross(273		&mut self,274		caller: Caller,275		spender: CrossAddress,276		amount: U256,277	) -> Result<bool> {278		let caller = T::CrossAccountId::from_eth(caller);279		let spender = spender.into_sub_cross_account::<T>()?;280		let amount = amount.try_into().map_err(|_| "amount overflow")?;281282		<Pallet<T>>::set_allowance(self, &caller, &spender, self.1, amount)283			.map_err(dispatch_to_evm::<T>)?;284		Ok(true)285	}286	/// @dev Function that changes total amount of the tokens.287	///  Throws if `msg.sender` doesn't owns all of the tokens.288	/// @param amount New total amount of the tokens.289	#[weight(<SelfWeightOf<T>>::repartition_item())]290	fn repartition(&mut self, caller: Caller, amount: U256) -> Result<bool> {291		let caller = T::CrossAccountId::from_eth(caller);292		let amount = amount.try_into().map_err(|_| "amount overflow")?;293294		<Pallet<T>>::repartition(self, &caller, self.1, amount).map_err(dispatch_to_evm::<T>)?;295		Ok(true)296	}297298	/// @dev Transfer token for a specified address299	/// @param to The crossaccount to transfer to.300	/// @param amount The amount to be transferred.301	#[weight(<CommonWeights<T>>::transfer())]302	fn transfer_cross(&mut self, caller: Caller, to: CrossAddress, amount: U256) -> Result<bool> {303		let caller = T::CrossAccountId::from_eth(caller);304		let to = to.into_sub_cross_account::<T>()?;305		let amount = amount.try_into().map_err(|_| "amount overflow")?;306		let budget = self307			.recorder308			.weight_calls_budget(<StructureWeight<T>>::find_parent());309310		<Pallet<T>>::transfer(self, &caller, &to, self.1, amount, &budget)311			.map_err(dispatch_to_evm::<T>)?;312		Ok(true)313	}314315	/// @dev Transfer tokens from one address to another316	/// @param from The address which you want to send tokens from317	/// @param to The address which you want to transfer to318	/// @param amount the amount of tokens to be transferred319	#[weight(<CommonWeights<T>>::transfer_from())]320	fn transfer_from_cross(321		&mut self,322		caller: Caller,323		from: CrossAddress,324		to: CrossAddress,325		amount: U256,326	) -> Result<bool> {327		let caller = T::CrossAccountId::from_eth(caller);328		let from = from.into_sub_cross_account::<T>()?;329		let to = to.into_sub_cross_account::<T>()?;330		let amount = amount.try_into().map_err(|_| "amount overflow")?;331		let budget = self332			.recorder333			.weight_calls_budget(<StructureWeight<T>>::find_parent());334335		<Pallet<T>>::transfer_from(self, &caller, &from, &to, self.1, amount, &budget)336			.map_err(dispatch_to_evm::<T>)?;337		Ok(true)338	}339}340341impl<T: Config> RefungibleTokenHandle<T> {342	pub fn into_inner(self) -> RefungibleHandle<T> {343		self.0344	}345	pub fn common_mut(&mut self) -> &mut RefungibleHandle<T> {346		&mut self.0347	}348}349350impl<T: Config> WithRecorder<T> for RefungibleTokenHandle<T> {351	fn recorder(&self) -> &pallet_evm_coder_substrate::SubstrateRecorder<T> {352		self.0.recorder()353	}354	fn into_recorder(self) -> pallet_evm_coder_substrate::SubstrateRecorder<T> {355		self.0.into_recorder()356	}357}358359impl<T: Config> Deref for RefungibleTokenHandle<T> {360	type Target = RefungibleHandle<T>;361362	fn deref(&self) -> &Self::Target {363		&self.0364	}365}366367#[solidity_interface(368	name = UniqueRefungibleToken,369	is(ERC20, ERC20UniqueExtensions, ERC1633),370	enum(derive(PreDispatch)),371)]372impl<T: Config> RefungibleTokenHandle<T> where T::AccountId: From<[u8; 32]> {}373374generate_stubgen!(gen_impl, UniqueRefungibleTokenCall<()>, true);375generate_stubgen!(gen_iface, UniqueRefungibleTokenCall<()>, false);376377impl<T: Config> CommonEvmHandler for RefungibleTokenHandle<T>378where379	T::AccountId: From<[u8; 32]>,380{381	const CODE: &'static [u8] = include_bytes!("./stubs/UniqueRefungibleToken.raw");382383	fn call(self, handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {384		call::<T, UniqueRefungibleTokenCall<T>, _, _>(handle, self)385	}386}
after · pallets/refungible/src/erc_token.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//! # Refungible Pallet EVM API for token pieces18//!19//! Provides ERC-20 standart support implementation and EVM API for unique extensions for Refungible Pallet.20//! Method implementations are mostly doing parameter conversion and calling Nonfungible Pallet methods.2122use core::{23	char::{REPLACEMENT_CHARACTER, decode_utf16},24	convert::TryInto,25	ops::Deref,26};27use evm_coder::{abi::AbiType, ToLog, generate_stubgen, solidity_interface, types::*};28use pallet_common::{29	erc::{CommonEvmHandler, PrecompileResult},30	eth::{collection_id_to_address, CrossAddress},31	CommonWeightInfo,32};33use pallet_evm::{account::CrossAccountId, PrecompileHandle};34use pallet_evm_coder_substrate::{35	call, dispatch_to_evm, WithRecorder, frontier_contract,36	execution::{Result, PreDispatch},37};38use pallet_structure::{SelfWeightOf as StructureWeight, weights::WeightInfo as _};39use sp_std::vec::Vec;40use sp_core::U256;41use up_data_structs::TokenId;4243use crate::{44	Allowance, Balance, Config, Pallet, RefungibleHandle, TotalSupply, common::CommonWeights,45	SelfWeightOf, weights::WeightInfo,46};4748/// Refungible token handle contains information about token's collection and id49///50/// RefungibleTokenHandle doesn't check token's existance upon creation51pub struct RefungibleTokenHandle<T: Config>(pub RefungibleHandle<T>, pub TokenId);5253frontier_contract! {54	macro_rules! RefungibleTokenHandle_result {...}55	impl<T: Config> Contract for RefungibleTokenHandle<T> {...}56}5758#[solidity_interface(name = ERC1633, enum(derive(PreDispatch)), enum_attr(weight))]59impl<T: Config> RefungibleTokenHandle<T> {60	fn parent_token(&self) -> Address {61		collection_id_to_address(self.id)62	}6364	fn parent_token_id(&self) -> U256 {65		self.1.into()66	}67}6869#[derive(ToLog)]70pub enum ERC20Events {71	/// @dev This event is emitted when the amount of tokens (value) is sent72	/// from the from address to the to address. In the case of minting new73	/// tokens, the transfer is usually from the 0 address while in the case74	/// of burning tokens the transfer is to 0.75	Transfer {76		#[indexed]77		from: Address,78		#[indexed]79		to: Address,80		value: U256,81	},82	/// @dev This event is emitted when the amount of tokens (value) is approved83	/// by the owner to be used by the spender.84	Approval {85		#[indexed]86		owner: Address,87		#[indexed]88		spender: Address,89		value: U256,90	},91}9293/// @title Standard ERC20 token94///95/// @dev Implementation of the basic standard token.96/// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md97#[solidity_interface(name = ERC20, events(ERC20Events), enum(derive(PreDispatch)), enum_attr(weight))]98impl<T: Config> RefungibleTokenHandle<T> {99	/// @return the name of the token.100	fn name(&self) -> String {101		decode_utf16(self.name.iter().copied())102			.map(|r| r.unwrap_or(REPLACEMENT_CHARACTER))103			.collect::<String>()104	}105106	/// @return the symbol of the token.107	fn symbol(&self) -> String {108		String::from_utf8_lossy(&self.token_prefix).into()109	}110111	/// @dev Total number of tokens in existence112	fn total_supply(&self) -> Result<U256> {113		self.consume_store_reads(1)?;114		Ok(<TotalSupply<T>>::get((self.id, self.1)).into())115	}116117	/// @dev Not supported118	fn decimals(&self) -> Result<u8> {119		// Decimals aren't supported for refungible tokens120		Ok(0)121	}122123	/// @dev Gets the balance of the specified address.124	/// @param owner The address to query the balance of.125	/// @return An uint256 representing the amount owned by the passed address.126	fn balance_of(&self, owner: Address) -> Result<U256> {127		self.consume_store_reads(1)?;128		let owner = T::CrossAccountId::from_eth(owner);129		let balance = <Balance<T>>::get((self.id, self.1, owner));130		Ok(balance.into())131	}132133	/// @dev Transfer token for a specified address134	/// @param to The address to transfer to.135	/// @param amount The amount to be transferred.136	#[weight(<CommonWeights<T>>::transfer())]137	fn transfer(&mut self, caller: Caller, to: Address, amount: U256) -> Result<bool> {138		let caller = T::CrossAccountId::from_eth(caller);139		let to = T::CrossAccountId::from_eth(to);140		let amount = amount.try_into().map_err(|_| "amount overflow")?;141		let budget = self142			.recorder143			.weight_calls_budget(<StructureWeight<T>>::find_parent());144145		<Pallet<T>>::transfer(self, &caller, &to, self.1, amount, &budget)146			.map_err(dispatch_to_evm::<T>)?;147		Ok(true)148	}149150	/// @dev Transfer tokens from one address to another151	/// @param from address The address which you want to send tokens from152	/// @param to address The address which you want to transfer to153	/// @param amount uint256 the amount of tokens to be transferred154	#[weight(<CommonWeights<T>>::transfer_from())]155	fn transfer_from(156		&mut self,157		caller: Caller,158		from: Address,159		to: Address,160		amount: U256,161	) -> Result<bool> {162		let caller = T::CrossAccountId::from_eth(caller);163		let from = T::CrossAccountId::from_eth(from);164		let to = T::CrossAccountId::from_eth(to);165		let amount = amount.try_into().map_err(|_| "amount overflow")?;166		let budget = self167			.recorder168			.weight_calls_budget(<StructureWeight<T>>::find_parent());169170		<Pallet<T>>::transfer_from(self, &caller, &from, &to, self.1, amount, &budget)171			.map_err(dispatch_to_evm::<T>)?;172		Ok(true)173	}174175	/// @dev Approve the passed address to spend the specified amount of tokens on behalf of `msg.sender`.176	/// Beware that changing an allowance with this method brings the risk that someone may use both the old177	/// and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this178	/// race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:179	/// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729180	/// @param spender The address which will spend the funds.181	/// @param amount The amount of tokens to be spent.182	#[weight(<SelfWeightOf<T>>::approve())]183	fn approve(&mut self, caller: Caller, spender: Address, amount: U256) -> Result<bool> {184		let caller = T::CrossAccountId::from_eth(caller);185		let spender = T::CrossAccountId::from_eth(spender);186		let amount = amount.try_into().map_err(|_| "amount overflow")?;187188		<Pallet<T>>::set_allowance(self, &caller, &spender, self.1, amount)189			.map_err(dispatch_to_evm::<T>)?;190		Ok(true)191	}192193	/// @dev Function to check the amount of tokens that an owner allowed to a spender.194	/// @param owner address The address which owns the funds.195	/// @param spender address The address which will spend the funds.196	/// @return A uint256 specifying the amount of tokens still available for the spender.197	fn allowance(&self, owner: Address, spender: Address) -> Result<U256> {198		self.consume_store_reads(1)?;199		let owner = T::CrossAccountId::from_eth(owner);200		let spender = T::CrossAccountId::from_eth(spender);201202		Ok(<Allowance<T>>::get((self.id, self.1, owner, spender)).into())203	}204}205206#[solidity_interface(name = ERC20UniqueExtensions, enum(derive(PreDispatch)), enum_attr(weight))]207impl<T: Config> RefungibleTokenHandle<T>208where209	T::AccountId: From<[u8; 32]>,210{211	/// @dev Function to check the amount of tokens that an owner allowed to a spender.212	/// @param owner crossAddress The address which owns the funds.213	/// @param spender crossAddress The address which will spend the funds.214	/// @return A uint256 specifying the amount of tokens still available for the spender.215	fn allowance_cross(&self, owner: CrossAddress, spender: CrossAddress) -> Result<U256> {216		let owner = owner.into_sub_cross_account::<T>()?;217		let spender = spender.into_sub_cross_account::<T>()?;218219		Ok(<Allowance<T>>::get((self.id, self.1, owner, spender)).into())220	}221222	/// @dev Function that burns an amount of the token of a given account,223	/// deducting from the sender's allowance for said account.224	/// @param from The account whose tokens will be burnt.225	/// @param amount The amount that will be burnt.226	#[weight(<SelfWeightOf<T>>::burn_from())]227	#[solidity(hide)]228	fn burn_from(&mut self, caller: Caller, from: Address, amount: U256) -> Result<bool> {229		let caller = T::CrossAccountId::from_eth(caller);230		let from = T::CrossAccountId::from_eth(from);231		let amount = amount.try_into().map_err(|_| "amount overflow")?;232		let budget = self233			.recorder234			.weight_calls_budget(<StructureWeight<T>>::find_parent());235236		<Pallet<T>>::burn_from(self, &caller, &from, self.1, amount, &budget)237			.map_err(dispatch_to_evm::<T>)?;238		Ok(true)239	}240241	/// @dev Function that burns an amount of the token of a given account,242	/// deducting from the sender's allowance for said account.243	/// @param from The account whose tokens will be burnt.244	/// @param amount The amount that will be burnt.245	#[weight(<SelfWeightOf<T>>::burn_from())]246	fn burn_from_cross(247		&mut self,248		caller: Caller,249		from: CrossAddress,250		amount: U256,251	) -> Result<bool> {252		let caller = T::CrossAccountId::from_eth(caller);253		let from = from.into_sub_cross_account::<T>()?;254		let amount = amount.try_into().map_err(|_| "amount overflow")?;255		let budget = self256			.recorder257			.weight_calls_budget(<StructureWeight<T>>::find_parent());258259		<Pallet<T>>::burn_from(self, &caller, &from, self.1, amount, &budget)260			.map_err(dispatch_to_evm::<T>)?;261		Ok(true)262	}263264	/// @dev Approve the passed address to spend the specified amount of tokens on behalf of `msg.sender`.265	/// Beware that changing an allowance with this method brings the risk that someone may use both the old266	/// and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this267	/// race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:268	/// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729269	/// @param spender The crossaccount which will spend the funds.270	/// @param amount The amount of tokens to be spent.271	#[weight(<SelfWeightOf<T>>::approve())]272	fn approve_cross(273		&mut self,274		caller: Caller,275		spender: CrossAddress,276		amount: U256,277	) -> Result<bool> {278		let caller = T::CrossAccountId::from_eth(caller);279		let spender = spender.into_sub_cross_account::<T>()?;280		let amount = amount.try_into().map_err(|_| "amount overflow")?;281282		<Pallet<T>>::set_allowance(self, &caller, &spender, self.1, amount)283			.map_err(dispatch_to_evm::<T>)?;284		Ok(true)285	}286287	/// @notice Balance of account288	/// @param owner An cross address for whom to query the balance289	/// @return The number of fingibles owned by `owner`, possibly zero290	fn balance_of_cross(&self, owner: CrossAddress) -> Result<U256> {291		self.consume_store_reads(1)?;292		let balance = <Balance<T>>::get((self.id, self.1, owner.into_sub_cross_account::<T>()?));293		Ok(balance.into())294	}295296	/// @dev Function that changes total amount of the tokens.297	///  Throws if `msg.sender` doesn't owns all of the tokens.298	/// @param amount New total amount of the tokens.299	#[weight(<SelfWeightOf<T>>::repartition_item())]300	fn repartition(&mut self, caller: Caller, amount: U256) -> Result<bool> {301		let caller = T::CrossAccountId::from_eth(caller);302		let amount = amount.try_into().map_err(|_| "amount overflow")?;303304		<Pallet<T>>::repartition(self, &caller, self.1, amount).map_err(dispatch_to_evm::<T>)?;305		Ok(true)306	}307308	/// @dev Transfer token for a specified address309	/// @param to The crossaccount to transfer to.310	/// @param amount The amount to be transferred.311	#[weight(<CommonWeights<T>>::transfer())]312	fn transfer_cross(&mut self, caller: Caller, to: CrossAddress, amount: U256) -> Result<bool> {313		let caller = T::CrossAccountId::from_eth(caller);314		let to = to.into_sub_cross_account::<T>()?;315		let amount = amount.try_into().map_err(|_| "amount overflow")?;316		let budget = self317			.recorder318			.weight_calls_budget(<StructureWeight<T>>::find_parent());319320		<Pallet<T>>::transfer(self, &caller, &to, self.1, amount, &budget)321			.map_err(dispatch_to_evm::<T>)?;322		Ok(true)323	}324325	/// @dev Transfer tokens from one address to another326	/// @param from The address which you want to send tokens from327	/// @param to The address which you want to transfer to328	/// @param amount the amount of tokens to be transferred329	#[weight(<CommonWeights<T>>::transfer_from())]330	fn transfer_from_cross(331		&mut self,332		caller: Caller,333		from: CrossAddress,334		to: CrossAddress,335		amount: U256,336	) -> Result<bool> {337		let caller = T::CrossAccountId::from_eth(caller);338		let from = from.into_sub_cross_account::<T>()?;339		let to = to.into_sub_cross_account::<T>()?;340		let amount = amount.try_into().map_err(|_| "amount overflow")?;341		let budget = self342			.recorder343			.weight_calls_budget(<StructureWeight<T>>::find_parent());344345		<Pallet<T>>::transfer_from(self, &caller, &from, &to, self.1, amount, &budget)346			.map_err(dispatch_to_evm::<T>)?;347		Ok(true)348	}349}350351impl<T: Config> RefungibleTokenHandle<T> {352	pub fn into_inner(self) -> RefungibleHandle<T> {353		self.0354	}355	pub fn common_mut(&mut self) -> &mut RefungibleHandle<T> {356		&mut self.0357	}358}359360impl<T: Config> WithRecorder<T> for RefungibleTokenHandle<T> {361	fn recorder(&self) -> &pallet_evm_coder_substrate::SubstrateRecorder<T> {362		self.0.recorder()363	}364	fn into_recorder(self) -> pallet_evm_coder_substrate::SubstrateRecorder<T> {365		self.0.into_recorder()366	}367}368369impl<T: Config> Deref for RefungibleTokenHandle<T> {370	type Target = RefungibleHandle<T>;371372	fn deref(&self) -> &Self::Target {373		&self.0374	}375}376377#[solidity_interface(378	name = UniqueRefungibleToken,379	is(ERC20, ERC20UniqueExtensions, ERC1633),380	enum(derive(PreDispatch)),381)]382impl<T: Config> RefungibleTokenHandle<T> where T::AccountId: From<[u8; 32]> {}383384generate_stubgen!(gen_impl, UniqueRefungibleTokenCall<()>, true);385generate_stubgen!(gen_iface, UniqueRefungibleTokenCall<()>, false);386387impl<T: Config> CommonEvmHandler for RefungibleTokenHandle<T>388where389	T::AccountId: From<[u8; 32]>,390{391	const CODE: &'static [u8] = include_bytes!("./stubs/UniqueRefungibleToken.raw");392393	fn call(self, handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {394		call::<T, UniqueRefungibleTokenCall<T>, _, _>(handle, self)395	}396}
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
@@ -774,7 +774,7 @@
 }
 
 /// @title Unique extensions for ERC721.
-/// @dev the ERC-165 identifier for this interface is 0xb365c124
+/// @dev the ERC-165 identifier for this interface is 0x95c0f66c
 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,
@@ -803,18 +803,42 @@
 		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 (CrossAddress memory) {
+	// 	require(false, stub_error);
+	// 	tokenId;
+	// 	dummy;
+	// 	return CrossAddress(0x0000000000000000000000000000000000000000,0);
+	// }
+
 	/// 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 (CrossAddress memory) {
+	/// @dev EVM selector for this function is: 0xcaa3a4d0,
+	///  or in textual repr: ownerOfCross(uint256)
+	function ownerOfCross(uint256 tokenId) public view returns (CrossAddress memory) {
 		require(false, stub_error);
 		tokenId;
 		dummy;
 		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
 	}
 
+	/// @notice Count all RFTs assigned to an owner
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of RFTs owned by `owner`, possibly zero
+	/// @dev EVM selector for this function is: 0xec069398,
+	///  or in textual repr: balanceOfCross((address,uint256))
+	function balanceOfCross(CrossAddress memory owner) public view returns (uint256) {
+		require(false, stub_error);
+		owner;
+		dummy;
+		return 0;
+	}
+
 	/// Returns the token properties.
 	///
 	/// @param tokenId Id for the token.
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
@@ -36,7 +36,7 @@
 	}
 }
 
-/// @dev the ERC-165 identifier for this interface is 0x01d536fc
+/// @dev the ERC-165 identifier for this interface is 0xedd3a564
 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.
@@ -97,6 +97,18 @@
 		return false;
 	}
 
+	/// @notice Balance of account
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of fingibles owned by `owner`, possibly zero
+	/// @dev EVM selector for this function is: 0xec069398,
+	///  or in textual repr: balanceOfCross((address,uint256))
+	function balanceOfCross(CrossAddress memory owner) public view returns (uint256) {
+		require(false, stub_error);
+		owner;
+		dummy;
+		return 0;
+	}
+
 	/// @dev Function that changes total amount of the tokens.
 	///  Throws if `msg.sender` doesn't owns all of the tokens.
 	/// @param amount New total amount of the tokens.
modifiedruntime/common/ethereum/sponsoring/refungible.rsdiffbeforeafterboth
--- a/runtime/common/ethereum/sponsoring/refungible.rs
+++ b/runtime/common/ethereum/sponsoring/refungible.rs
@@ -227,6 +227,8 @@
 			| Symbol
 			| Description
 			| CrossOwnerOf { .. }
+			| OwnerOfCross { .. }
+			| BalanceOfCross { .. }
 			| Properties { .. }
 			| NextTokenId
 			| TokenContractAddress { .. }
@@ -341,9 +343,11 @@
 			ERC165Call(_, _) => None,
 
 			// Not sponsored
-			AllowanceCross { .. } | BurnFrom { .. } | BurnFromCross { .. } | Repartition { .. } => {
-				None
-			}
+			AllowanceCross { .. }
+			| BalanceOfCross { .. }
+			| BurnFrom { .. }
+			| BurnFromCross { .. }
+			| Repartition { .. } => None,
 
 			TransferCross { .. } | TransferFromCross { .. } => {
 				let RefungibleTokenHandle(handle, token_id) = token;
modifiedtests/src/eth/abi/fungible.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/fungible.json
+++ b/tests/src/eth/abi/fungible.json
@@ -181,6 +181,23 @@
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
         "internalType": "struct CrossAddress",
+        "name": "owner",
+        "type": "tuple"
+      }
+    ],
+    "name": "balanceOfCross",
+    "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": "from",
         "type": "tuple"
       },
modifiedtests/src/eth/abi/nonFungible.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/nonFungible.json
+++ b/tests/src/eth/abi/nonFungible.json
@@ -177,6 +177,23 @@
   },
   {
     "inputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "eth", "type": "address" },
+          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+        ],
+        "internalType": "struct CrossAddress",
+        "name": "owner",
+        "type": "tuple"
+      }
+    ],
+    "name": "balanceOfCross",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
     ],
     "name": "burn",
@@ -386,25 +403,6 @@
   },
   {
     "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 CrossAddress",
-        "name": "",
-        "type": "tuple"
-      }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
       { "internalType": "string[]", "name": "keys", "type": "string[]" }
     ],
     "name": "deleteCollectionProperties",
@@ -540,6 +538,25 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
+    ],
+    "name": "ownerOfCross",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "eth", "type": "address" },
+          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+        ],
+        "internalType": "struct CrossAddress",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" },
       { "internalType": "string[]", "name": "keys", "type": "string[]" }
     ],
modifiedtests/src/eth/abi/reFungible.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/reFungible.json
+++ b/tests/src/eth/abi/reFungible.json
@@ -159,6 +159,23 @@
   },
   {
     "inputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "eth", "type": "address" },
+          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+        ],
+        "internalType": "struct CrossAddress",
+        "name": "owner",
+        "type": "tuple"
+      }
+    ],
+    "name": "balanceOfCross",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
     ],
     "name": "burn",
@@ -368,25 +385,6 @@
   },
   {
     "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 CrossAddress",
-        "name": "",
-        "type": "tuple"
-      }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
       { "internalType": "string[]", "name": "keys", "type": "string[]" }
     ],
     "name": "deleteCollectionProperties",
@@ -522,6 +520,25 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "tokenId", "type": "uint256" }
+    ],
+    "name": "ownerOfCross",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "eth", "type": "address" },
+          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+        ],
+        "internalType": "struct CrossAddress",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "uint256", "name": "tokenId", "type": "uint256" },
       { "internalType": "string[]", "name": "keys", "type": "string[]" }
     ],
modifiedtests/src/eth/abi/reFungibleToken.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/reFungibleToken.json
+++ b/tests/src/eth/abi/reFungibleToken.json
@@ -130,6 +130,23 @@
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
         "internalType": "struct CrossAddress",
+        "name": "owner",
+        "type": "tuple"
+      }
+    ],
+    "name": "balanceOfCross",
+    "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": "from",
         "type": "tuple"
       },
modifiedtests/src/eth/api/UniqueFungible.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueFungible.sol
+++ b/tests/src/eth/api/UniqueFungible.sol
@@ -353,7 +353,7 @@
 	bytes value;
 }
 
-/// @dev the ERC-165 identifier for this interface is 0x85d7dea6
+/// @dev the ERC-165 identifier for this interface is 0x69d14d3e
 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.
@@ -416,6 +416,13 @@
 	/// @dev EVM selector for this function is: 0x1896cce6,
 	///  or in textual repr: collectionHelperAddress()
 	function collectionHelperAddress() external view returns (address);
+
+	/// @notice Balance of account
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of fingibles owned by `owner`, possibly zero
+	/// @dev EVM selector for this function is: 0xec069398,
+	///  or in textual repr: balanceOfCross((address,uint256))
+	function balanceOfCross(CrossAddress memory owner) external view returns (uint256);
 }
 
 struct AmountForAddress {
modifiedtests/src/eth/api/UniqueNFT.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -533,7 +533,7 @@
 }
 
 /// @title Unique extensions for ERC721.
-/// @dev the ERC-165 identifier for this interface is 0x16de3152
+/// @dev the ERC-165 identifier for this interface is 0x307b061a
 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,
@@ -550,12 +550,26 @@
 	///  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 (CrossAddress 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 (CrossAddress memory);
+	/// @dev EVM selector for this function is: 0xcaa3a4d0,
+	///  or in textual repr: ownerOfCross(uint256)
+	function ownerOfCross(uint256 tokenId) external view returns (CrossAddress memory);
+
+	/// @notice Count all NFTs assigned to an owner
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of NFTs owned by `owner`, possibly zero
+	/// @dev EVM selector for this function is: 0xec069398,
+	///  or in textual repr: balanceOfCross((address,uint256))
+	function balanceOfCross(CrossAddress memory owner) external view returns (uint256);
 
 	/// Returns the token properties.
 	///
modifiedtests/src/eth/api/UniqueRefungible.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -533,7 +533,7 @@
 }
 
 /// @title Unique extensions for ERC721.
-/// @dev the ERC-165 identifier for this interface is 0xb365c124
+/// @dev the ERC-165 identifier for this interface is 0x95c0f66c
 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,
@@ -550,12 +550,26 @@
 	///  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 (CrossAddress 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 (CrossAddress memory);
+	/// @dev EVM selector for this function is: 0xcaa3a4d0,
+	///  or in textual repr: ownerOfCross(uint256)
+	function ownerOfCross(uint256 tokenId) external view returns (CrossAddress memory);
+
+	/// @notice Count all RFTs assigned to an owner
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of RFTs owned by `owner`, possibly zero
+	/// @dev EVM selector for this function is: 0xec069398,
+	///  or in textual repr: balanceOfCross((address,uint256))
+	function balanceOfCross(CrossAddress memory owner) external view returns (uint256);
 
 	/// Returns the token properties.
 	///
modifiedtests/src/eth/api/UniqueRefungibleToken.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueRefungibleToken.sol
+++ b/tests/src/eth/api/UniqueRefungibleToken.sol
@@ -23,7 +23,7 @@
 	function parentTokenId() external view returns (uint256);
 }
 
-/// @dev the ERC-165 identifier for this interface is 0x01d536fc
+/// @dev the ERC-165 identifier for this interface is 0xedd3a564
 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.
@@ -60,6 +60,13 @@
 	///  or in textual repr: approveCross((address,uint256),uint256)
 	function approveCross(CrossAddress memory spender, uint256 amount) external returns (bool);
 
+	/// @notice Balance of account
+	/// @param owner An cross address for whom to query the balance
+	/// @return The number of fingibles owned by `owner`, possibly zero
+	/// @dev EVM selector for this function is: 0xec069398,
+	///  or in textual repr: balanceOfCross((address,uint256))
+	function balanceOfCross(CrossAddress memory owner) external view returns (uint256);
+
 	/// @dev Function that changes total amount of the tokens.
 	///  Throws if `msg.sender` doesn't owns all of the tokens.
 	/// @param amount New total amount of the tokens.
modifiedtests/src/eth/fungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/fungible.test.ts
+++ b/tests/src/eth/fungible.test.ts
@@ -427,6 +427,33 @@
     const toBalanceAfter = await collection.getBalance({Ethereum: receiver});
     expect(toBalanceAfter - toBalanceBefore).to.be.eq(51n);
   });
+
+  itEth('Check balanceOfCross()', async ({helper}) => {
+    const collection = await helper.ft.mintCollection(alice, {});
+    const owner = await helper.ethCrossAccount.createAccountWithBalance(donor);
+    const other = await helper.ethCrossAccount.createAccountWithBalance(donor);
+    const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);
+    const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, 'ft', owner.eth);
+
+    expect(await collectionEvm.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('0');
+    expect(await collectionEvm.methods.balanceOfCross(other).call({from: owner.eth})).to.be.eq('0');
+
+    await collection.mint(alice, 100n, {Ethereum: owner.eth});
+    expect(await collectionEvm.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('100');
+    expect(await collectionEvm.methods.balanceOfCross(other).call({from: owner.eth})).to.be.eq('0');
+
+    await collectionEvm.methods.transferCross(other, 50n).send({from: owner.eth});
+    expect(await collectionEvm.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('50');
+    expect(await collectionEvm.methods.balanceOfCross(other).call({from: owner.eth})).to.be.eq('50');
+
+    await collectionEvm.methods.transferCross(other, 50n).send({from: owner.eth});
+    expect(await collectionEvm.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('0');
+    expect(await collectionEvm.methods.balanceOfCross(other).call({from: owner.eth})).to.be.eq('100');
+
+    await collectionEvm.methods.transferCross(owner, 100n).send({from: other.eth});
+    expect(await collectionEvm.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('100');
+    expect(await collectionEvm.methods.balanceOfCross(other).call({from: owner.eth})).to.be.eq('0');
+  });
 });
 
 describe('Fungible: Fees', () => {
modifiedtests/src/eth/nonFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -662,6 +662,38 @@
     // Cannot transfer token if it does not exist:
     await expect(collectionEvm.methods[testCase](receiver, 999999).send({from: sender})).to.be.rejected;
   }));
+
+  itEth('Check balanceOfCross()', async ({helper}) => {
+    const collection = await helper.nft.mintCollection(minter, {});
+    const owner = await helper.ethCrossAccount.createAccountWithBalance(donor);
+    const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);
+    const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, 'nft', owner.eth);
+
+    expect(await collectionEvm.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('0');
+
+    for (let i = 1; i < 10; i++) {
+      await collection.mintToken(minter, {Ethereum: owner.eth});
+      expect(await collectionEvm.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq(i.toString());
+    }
+  });
+
+  itEth('Check ownerOfCross()', async ({helper}) => {
+    const collection = await helper.nft.mintCollection(minter, {});
+    let owner = await helper.ethCrossAccount.createAccountWithBalance(donor);
+    const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);
+    const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, 'nft', owner.eth);
+    const {tokenId} = await collection.mintToken(minter, {Ethereum: owner.eth});
+
+    for (let i = 1n; i < 10n; i++) {
+      const ownerCross = await collectionEvm.methods.ownerOfCross(tokenId).call({from: owner.eth});
+      expect(ownerCross.eth).to.be.eq(owner.eth);
+      expect(ownerCross.sub).to.be.eq(owner.sub);
+
+      const newOwner = await helper.ethCrossAccount.createAccountWithBalance(donor);
+      await collectionEvm.methods.transferCross(newOwner, tokenId).send({from: owner.eth});
+      owner = newOwner;
+    }
+  });
 });
 
 describe('NFT: Fees', () => {
modifiedtests/src/eth/reFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/reFungible.test.ts
+++ b/tests/src/eth/reFungible.test.ts
@@ -584,6 +584,46 @@
     expect(event.returnValues.to).to.equal('0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF');
     expect(event.returnValues.tokenId).to.equal(tokenId.toString());
   });
+
+  itEth('Check balanceOfCross()', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(minter, {});
+    const owner = await helper.ethCrossAccount.createAccountWithBalance(donor);
+    const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);
+    const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, 'nft', owner.eth);
+
+    expect(await collectionEvm.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('0');
+
+    for (let i = 1n; i < 10n; i++) {
+      await collection.mintToken(minter, 100n, {Ethereum: owner.eth});
+      expect(await collectionEvm.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq(i.toString());
+    }
+  });
+
+  itEth('Check ownerOfCross()', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(minter, {});
+    let owner = await helper.ethCrossAccount.createAccountWithBalance(donor);
+    const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);
+    const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, 'nft', owner.eth);
+    const {tokenId} = await collection.mintToken(minter, 100n,{Ethereum: owner.eth});
+
+    for (let i = 1n; i < 10n; i++) {
+      const ownerCross = await collectionEvm.methods.ownerOfCross(tokenId).call({from: owner.eth});
+      expect(ownerCross.eth).to.be.eq(owner.eth);
+      expect(ownerCross.sub).to.be.eq(owner.sub);
+
+      const newOwner = await helper.ethCrossAccount.createAccountWithBalance(donor);
+      await collectionEvm.methods.transferCross(newOwner, tokenId).send({from: owner.eth});
+      owner = newOwner;
+    }
+
+    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);
+    const tokenContract = await helper.ethNativeContract.rftToken(tokenAddress, owner.eth, true);
+    const newOwner = await helper.ethCrossAccount.createAccountWithBalance(donor);
+    await tokenContract.methods.transferCross(newOwner, 50).send({from: owner.eth});
+    const ownerCross = await collectionEvm.methods.ownerOfCross(tokenId).call({from: owner.eth});
+    expect(ownerCross.eth.toUpperCase()).to.be.eq('0XFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF');
+    expect(ownerCross.sub).to.be.eq('0');
+  });
 });
 
 describe('RFT: Fees', () => {
modifiedtests/src/eth/reFungibleToken.test.tsdiffbeforeafterboth
--- a/tests/src/eth/reFungibleToken.test.ts
+++ b/tests/src/eth/reFungibleToken.test.ts
@@ -466,6 +466,35 @@
       expect(await collection.getTokenBalance(tokenId, {Substrate: ownerSub.address})).to.be.equal(150n);
     }
   });
+
+  itEth('Check balanceOfCross()', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice, {});
+    const owner = await helper.ethCrossAccount.createAccountWithBalance(donor);
+    const other = await helper.ethCrossAccount.createAccountWithBalance(donor);
+    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: owner.eth});
+    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);
+    const tokenContract = await helper.ethNativeContract.rftToken(tokenAddress, owner.eth);
+
+    expect(await tokenContract.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('200');
+    expect(await tokenContract.methods.balanceOfCross(other).call({from: owner.eth})).to.be.eq('0');
+
+    await tokenContract.methods.repartition(100n).send({from: owner.eth});
+    expect(await tokenContract.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('100');
+    expect(await tokenContract.methods.balanceOfCross(other).call({from: owner.eth})).to.be.eq('0');
+
+    await tokenContract.methods.transferCross(other, 50n).send({from: owner.eth});
+    expect(await tokenContract.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('50');
+    expect(await tokenContract.methods.balanceOfCross(other).call({from: owner.eth})).to.be.eq('50');
+
+    await tokenContract.methods.transferCross(other, 50n).send({from: owner.eth});
+    expect(await tokenContract.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('0');
+    expect(await tokenContract.methods.balanceOfCross(other).call({from: owner.eth})).to.be.eq('100');
+
+    await tokenContract.methods.repartition(1000n).send({from: other.eth});
+    await tokenContract.methods.transferCross(owner, 500n).send({from: other.eth});
+    expect(await tokenContract.methods.balanceOfCross(owner).call({from: owner.eth})).to.be.eq('500');
+    expect(await tokenContract.methods.balanceOfCross(other).call({from: owner.eth})).to.be.eq('500');
+  });
 });
 
 describe('Refungible: Fees', () => {
modifiedtests/src/eth/tokens/minting.test.tsdiffbeforeafterboth
--- a/tests/src/eth/tokens/minting.test.ts
+++ b/tests/src/eth/tokens/minting.test.ts
@@ -63,7 +63,7 @@
         const tokenId = event.returnValues.tokenId;
         expect(tokenId).to.be.equal('1');
         expect(await helper.collection.getLastTokenId(collection.collectionId)).to.eq(1);
-        expect(await contract.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
+        expect(await contract.methods.ownerOfCross(tokenId).call()).to.be.like([receiver, '0']);
       }
     });
   });
@@ -97,7 +97,7 @@
         const tokenId = event.returnValues.tokenId;
         expect(tokenId).to.be.equal('1');
         expect(await helper.collection.getLastTokenId(collectionId)).to.eq(1);
-        expect(await collection.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
+        expect(await collection.methods.ownerOfCross(tokenId).call()).to.be.like([receiver, '0']);
       }
     });
   });
@@ -131,7 +131,7 @@
         const tokenId = event.returnValues.tokenId;
         expect(tokenId).to.be.equal('1');
         expect(await helper.collection.getLastTokenId(collectionId)).to.eq(1);
-        expect(await collection.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
+        expect(await collection.methods.ownerOfCross(tokenId).call()).to.be.like([receiver, '0']);
       }
     });
   });
@@ -157,7 +157,7 @@
       expect(event.returnValues.to).to.be.equal(receiver);
 
       expect(await contract.methods.tokenURI(tokenId).call()).to.be.equal('Test URI');
-      expect(await contract.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
+      expect(await contract.methods.ownerOfCross(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();