git.delta.rocks / unique-network / refs/commits / 0f4242c739ad

difftreelog

feat add ApproveFrom eth mirror

Grigoriy Simonov2023-01-09parent: #fe83568.patch.diff
in: master

26 files changed

modifiedpallets/common/src/lib.rsdiffbeforeafterboth
--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -746,6 +746,8 @@
 		ApprovedValueTooLow,
 		/// Tried to approve more than owned
 		CantApproveMoreThanOwned,
+		/// Only spending from eth mirror could be approved
+		AddressIsNotEthMirror,
 
 		/// Can't transfer tokens to ethereum zero address
 		AddressIsZero,
@@ -1797,6 +1799,9 @@
 	/// The price of setting the permission of the operation from another user.
 	fn approve() -> Weight;
 
+	/// The price of setting the permission of the operation from another user for eth mirror.
+	fn approve_from() -> Weight;
+
 	/// Transfer price from another user.
 	fn transfer_from() -> Weight;
 
@@ -2008,6 +2013,22 @@
 		amount: u128,
 	) -> DispatchResultWithPostInfo;
 
+	/// Grant access to another account to transfer parts of the token owned by the calling user's eth mirror via [Self::transfer_from].
+	///
+	/// * `sender` - The user who grants access to the token.
+	/// * `from` - Spender's eth mirror.
+	/// * `to` - The user to whom the rights are granted.
+	/// * `token` - The token to which access is granted.
+	/// * `amount` - The amount of pieces that another user can dispose of.
+	fn approve_from(
+		&self,
+		sender: T::CrossAccountId,
+		from: T::CrossAccountId,
+		to: T::CrossAccountId,
+		token: TokenId,
+		amount: u128,
+	) -> DispatchResultWithPostInfo;
+
 	/// Send parts of a token owned by another user.
 	///
 	/// Before calling this method, you must grant rights to the calling user via [`Self::approve`].
modifiedpallets/evm-contract-helpers/src/stubs/ContractHelpers.rawdiffbeforeafterboth

binary blob — no preview

modifiedpallets/evm-contract-helpers/src/stubs/ContractHelpers.soldiffbeforeafterboth
--- a/pallets/evm-contract-helpers/src/stubs/ContractHelpers.sol
+++ b/pallets/evm-contract-helpers/src/stubs/ContractHelpers.sol
@@ -283,8 +283,8 @@
 
 /// Ethereum representation of Optional value with CrossAddress.
 struct OptionCrossAddress {
-	/// TODO: field description
+	/// Whether or not this CrossAdress is valid and has meaning.
 	bool status;
-	/// TODO: field description
+	/// The underlying CrossAddress value. If the status is false, can be set to whatever.
 	CrossAddress value;
 }
modifiedpallets/fungible/src/benchmarking.rsdiffbeforeafterboth
--- a/pallets/fungible/src/benchmarking.rs
+++ b/pallets/fungible/src/benchmarking.rs
@@ -82,6 +82,16 @@
 		<Pallet<T>>::create_item(&collection, &owner, (sender.clone(), 200), &Unlimited)?;
 	}: {<Pallet<T>>::set_allowance(&collection, &sender, &spender, 100)?}
 
+	approve_from {
+		bench_init!{
+			owner: sub; collection: collection(owner);
+			owner: cross_from_sub; sender: cross_sub; spender: cross_sub;
+
+		};
+		let owner_eth = T::CrossAccountId::from_eth(*sender.as_eth());
+		<Pallet<T>>::create_item(&collection, &owner, (owner_eth.clone(), 200), &Unlimited)?;
+	}: {<Pallet<T>>::set_allowance_for(&collection, &sender, &owner_eth, &spender, 100)?}
+
 	transfer_from {
 		bench_init!{
 			owner: sub; collection: collection(owner);
modifiedpallets/fungible/src/common.rsdiffbeforeafterboth
before · pallets/fungible/src/common.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/>.1617use core::marker::PhantomData;1819use frame_support::{dispatch::DispatchResultWithPostInfo, ensure, fail, weights::Weight, traits::Get};20use up_data_structs::{TokenId, CollectionId, CreateItemExData, budget::Budget, CreateItemData};21use pallet_common::{22	CommonCollectionOperations, CommonWeightInfo, RefungibleExtensions, with_weight,23	weights::WeightInfo as _,24};25use pallet_structure::Error as StructureError;26use sp_runtime::ArithmeticError;27use sp_std::{vec::Vec, vec};28use up_data_structs::{Property, PropertyKey, PropertyValue, PropertyKeyPermission};2930use crate::{31	Allowance, TotalSupply, Balance, Config, Error, FungibleHandle, Pallet, SelfWeightOf,32	weights::WeightInfo,33};3435pub struct CommonWeights<T: Config>(PhantomData<T>);36impl<T: Config> CommonWeightInfo<T::CrossAccountId> for CommonWeights<T> {37	fn create_item() -> Weight {38		<SelfWeightOf<T>>::create_item()39	}4041	fn create_multiple_items(_data: &[CreateItemData]) -> Weight {42		// All items minted for the same user, so it works same as create_item43		Self::create_item()44	}4546	fn create_multiple_items_ex(data: &CreateItemExData<T::CrossAccountId>) -> Weight {47		match data {48			CreateItemExData::Fungible(f) => {49				<SelfWeightOf<T>>::create_multiple_items_ex(f.len() as u32)50			}51			_ => Weight::zero(),52		}53	}5455	fn burn_item() -> Weight {56		<SelfWeightOf<T>>::burn_item()57	}5859	fn set_collection_properties(amount: u32) -> Weight {60		<pallet_common::SelfWeightOf<T>>::set_collection_properties(amount)61	}6263	fn delete_collection_properties(amount: u32) -> Weight {64		<pallet_common::SelfWeightOf<T>>::delete_collection_properties(amount)65	}6667	fn set_token_properties(_amount: u32) -> Weight {68		// Error69		Weight::zero()70	}7172	fn delete_token_properties(_amount: u32) -> Weight {73		// Error74		Weight::zero()75	}7677	fn set_token_property_permissions(_amount: u32) -> Weight {78		// Error79		Weight::zero()80	}8182	fn transfer() -> Weight {83		<SelfWeightOf<T>>::transfer()84	}8586	fn approve() -> Weight {87		<SelfWeightOf<T>>::approve()88	}8990	fn transfer_from() -> Weight {91		<SelfWeightOf<T>>::transfer_from()92	}9394	fn burn_from() -> Weight {95		<SelfWeightOf<T>>::burn_from()96	}9798	fn burn_recursively_self_raw() -> Weight {99		// Read to get total balance100		Self::burn_item() + T::DbWeight::get().reads(1)101	}102103	fn burn_recursively_breadth_raw(_amount: u32) -> Weight {104		// Fungible tokens can't have children105		Weight::zero()106	}107108	fn token_owner() -> Weight {109		Weight::zero()110	}111112	fn set_allowance_for_all() -> Weight {113		Weight::zero()114	}115116	fn force_repair_item() -> Weight {117		Weight::zero()118	}119}120121/// Implementation of `CommonCollectionOperations` for `FungibleHandle`. It wraps FungibleHandle Pallete122/// methods and adds weight info.123impl<T: Config> CommonCollectionOperations<T> for FungibleHandle<T> {124	fn create_item(125		&self,126		sender: T::CrossAccountId,127		to: T::CrossAccountId,128		data: up_data_structs::CreateItemData,129		nesting_budget: &dyn Budget,130	) -> DispatchResultWithPostInfo {131		match data {132			up_data_structs::CreateItemData::Fungible(data) => with_weight(133				<Pallet<T>>::create_item(self, &sender, (to, data.value), nesting_budget),134				<CommonWeights<T>>::create_item(),135			),136			_ => fail!(<Error<T>>::NotFungibleDataUsedToMintFungibleCollectionToken),137		}138	}139140	fn create_multiple_items(141		&self,142		sender: T::CrossAccountId,143		to: T::CrossAccountId,144		data: Vec<up_data_structs::CreateItemData>,145		nesting_budget: &dyn Budget,146	) -> DispatchResultWithPostInfo {147		let mut sum: u128 = 0;148		for data in data {149			match data {150				up_data_structs::CreateItemData::Fungible(data) => {151					sum = sum152						.checked_add(data.value)153						.ok_or(ArithmeticError::Overflow)?;154				}155				_ => fail!(<Error<T>>::NotFungibleDataUsedToMintFungibleCollectionToken),156			}157		}158159		with_weight(160			<Pallet<T>>::create_item(self, &sender, (to, sum), nesting_budget),161			<CommonWeights<T>>::create_item(),162		)163	}164165	fn create_multiple_items_ex(166		&self,167		sender: <T>::CrossAccountId,168		data: up_data_structs::CreateItemExData<<T>::CrossAccountId>,169		nesting_budget: &dyn Budget,170	) -> DispatchResultWithPostInfo {171		let weight = <CommonWeights<T>>::create_multiple_items_ex(&data);172		let data = match data {173			up_data_structs::CreateItemExData::Fungible(f) => f,174			_ => fail!(<Error<T>>::NotFungibleDataUsedToMintFungibleCollectionToken),175		};176177		with_weight(178			<Pallet<T>>::create_multiple_items(self, &sender, data.into_inner(), nesting_budget),179			weight,180		)181	}182183	fn burn_item(184		&self,185		sender: T::CrossAccountId,186		token: TokenId,187		amount: u128,188	) -> DispatchResultWithPostInfo {189		ensure!(190			token == TokenId::default(),191			<Error<T>>::FungibleItemsHaveNoId192		);193194		with_weight(195			<Pallet<T>>::burn(self, &sender, amount),196			<CommonWeights<T>>::burn_item(),197		)198	}199200	fn burn_item_recursively(201		&self,202		sender: T::CrossAccountId,203		token: TokenId,204		self_budget: &dyn Budget,205		_breadth_budget: &dyn Budget,206	) -> DispatchResultWithPostInfo {207		// Should not happen?208		ensure!(209			token == TokenId::default(),210			<Error<T>>::FungibleItemsHaveNoId211		);212		ensure!(self_budget.consume(), <StructureError<T>>::DepthLimit,);213214		with_weight(215			<Pallet<T>>::burn(self, &sender, <Balance<T>>::get((self.id, &sender))),216			<CommonWeights<T>>::burn_recursively_self_raw(),217		)218	}219220	fn transfer(221		&self,222		from: T::CrossAccountId,223		to: T::CrossAccountId,224		token: TokenId,225		amount: u128,226		nesting_budget: &dyn Budget,227	) -> DispatchResultWithPostInfo {228		ensure!(229			token == TokenId::default(),230			<Error<T>>::FungibleItemsHaveNoId231		);232233		with_weight(234			<Pallet<T>>::transfer(self, &from, &to, amount, nesting_budget),235			<CommonWeights<T>>::transfer(),236		)237	}238239	fn approve(240		&self,241		sender: T::CrossAccountId,242		spender: T::CrossAccountId,243		token: TokenId,244		amount: u128,245	) -> DispatchResultWithPostInfo {246		ensure!(247			token == TokenId::default(),248			<Error<T>>::FungibleItemsHaveNoId249		);250251		with_weight(252			<Pallet<T>>::set_allowance(self, &sender, &spender, amount),253			<CommonWeights<T>>::approve(),254		)255	}256257	fn transfer_from(258		&self,259		sender: T::CrossAccountId,260		from: T::CrossAccountId,261		to: T::CrossAccountId,262		token: TokenId,263		amount: u128,264		nesting_budget: &dyn Budget,265	) -> DispatchResultWithPostInfo {266		ensure!(267			token == TokenId::default(),268			<Error<T>>::FungibleItemsHaveNoId269		);270271		with_weight(272			<Pallet<T>>::transfer_from(self, &sender, &from, &to, amount, nesting_budget),273			<CommonWeights<T>>::transfer_from(),274		)275	}276277	fn burn_from(278		&self,279		sender: T::CrossAccountId,280		from: T::CrossAccountId,281		token: TokenId,282		amount: u128,283		nesting_budget: &dyn Budget,284	) -> DispatchResultWithPostInfo {285		ensure!(286			token == TokenId::default(),287			<Error<T>>::FungibleItemsHaveNoId288		);289290		with_weight(291			<Pallet<T>>::burn_from(self, &sender, &from, amount, nesting_budget),292			<CommonWeights<T>>::burn_from(),293		)294	}295296	fn set_collection_properties(297		&self,298		sender: T::CrossAccountId,299		properties: Vec<Property>,300	) -> DispatchResultWithPostInfo {301		let weight = <CommonWeights<T>>::set_collection_properties(properties.len() as u32);302303		with_weight(304			<Pallet<T>>::set_collection_properties(self, &sender, properties),305			weight,306		)307	}308309	fn delete_collection_properties(310		&self,311		sender: &T::CrossAccountId,312		property_keys: Vec<PropertyKey>,313	) -> DispatchResultWithPostInfo {314		let weight = <CommonWeights<T>>::delete_collection_properties(property_keys.len() as u32);315316		with_weight(317			<Pallet<T>>::delete_collection_properties(self, sender, property_keys),318			weight,319		)320	}321322	fn set_token_properties(323		&self,324		_sender: T::CrossAccountId,325		_token_id: TokenId,326		_property: Vec<Property>,327		_nesting_budget: &dyn Budget,328	) -> DispatchResultWithPostInfo {329		fail!(<Error<T>>::SettingPropertiesNotAllowed)330	}331332	fn set_token_property_permissions(333		&self,334		_sender: &T::CrossAccountId,335		_property_permissions: Vec<PropertyKeyPermission>,336	) -> DispatchResultWithPostInfo {337		fail!(<Error<T>>::SettingPropertiesNotAllowed)338	}339340	fn delete_token_properties(341		&self,342		_sender: T::CrossAccountId,343		_token_id: TokenId,344		_property_keys: Vec<PropertyKey>,345		_nesting_budget: &dyn Budget,346	) -> DispatchResultWithPostInfo {347		fail!(<Error<T>>::SettingPropertiesNotAllowed)348	}349350	fn check_nesting(351		&self,352		_sender: <T>::CrossAccountId,353		_from: (CollectionId, TokenId),354		_under: TokenId,355		_nesting_budget: &dyn Budget,356	) -> sp_runtime::DispatchResult {357		fail!(<Error<T>>::FungibleDisallowsNesting)358	}359360	fn nest(&self, _under: TokenId, _to_nest: (CollectionId, TokenId)) {}361362	fn unnest(&self, _under: TokenId, _to_nest: (CollectionId, TokenId)) {}363364	fn collection_tokens(&self) -> Vec<TokenId> {365		vec![TokenId::default()]366	}367368	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId> {369		if <Balance<T>>::get((self.id, account)) != 0 {370			vec![TokenId::default()]371		} else {372			vec![]373		}374	}375376	fn token_exists(&self, token: TokenId) -> bool {377		token == TokenId::default()378	}379380	fn last_token_id(&self) -> TokenId {381		TokenId::default()382	}383384	fn token_owner(&self, _token: TokenId) -> Option<T::CrossAccountId> {385		None386	}387388	/// Returns 10 tokens owners in no particular order.389	fn token_owners(&self, token: TokenId) -> Vec<T::CrossAccountId> {390		<Pallet<T>>::token_owners(self.id, token).unwrap_or_default()391	}392393	fn token_property(&self, _token_id: TokenId, _key: &PropertyKey) -> Option<PropertyValue> {394		None395	}396397	fn token_properties(398		&self,399		_token_id: TokenId,400		_keys: Option<Vec<PropertyKey>>,401	) -> Vec<Property> {402		Vec::new()403	}404405	fn total_supply(&self) -> u32 {406		1407	}408409	fn account_balance(&self, account: T::CrossAccountId) -> u32 {410		if <Balance<T>>::get((self.id, account)) != 0 {411			1412		} else {413			0414		}415	}416417	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128 {418		if token != TokenId::default() {419			return 0;420		}421		<Balance<T>>::get((self.id, account))422	}423424	fn allowance(425		&self,426		sender: T::CrossAccountId,427		spender: T::CrossAccountId,428		token: TokenId,429	) -> u128 {430		if token != TokenId::default() {431			return 0;432		}433		<Allowance<T>>::get((self.id, sender, spender))434	}435436	fn refungible_extensions(&self) -> Option<&dyn RefungibleExtensions<T>> {437		None438	}439440	fn total_pieces(&self, token: TokenId) -> Option<u128> {441		if token != TokenId::default() {442			return None;443		}444		<TotalSupply<T>>::try_get(self.id).ok()445	}446447	fn set_allowance_for_all(448		&self,449		_owner: T::CrossAccountId,450		_operator: T::CrossAccountId,451		_approve: bool,452	) -> DispatchResultWithPostInfo {453		fail!(<Error<T>>::SettingAllowanceForAllNotAllowed)454	}455456	fn allowance_for_all(&self, _owner: T::CrossAccountId, _operator: T::CrossAccountId) -> bool {457		false458	}459460	/// Repairs a possibly broken item.461	fn repair_item(&self, _token: TokenId) -> DispatchResultWithPostInfo {462		fail!(<Error<T>>::FungibleTokensAreAlwaysValid)463	}464}
after · pallets/fungible/src/common.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/>.1617use core::marker::PhantomData;1819use frame_support::{dispatch::DispatchResultWithPostInfo, ensure, fail, weights::Weight, traits::Get};20use up_data_structs::{TokenId, CollectionId, CreateItemExData, budget::Budget, CreateItemData};21use pallet_common::{22	CommonCollectionOperations, CommonWeightInfo, RefungibleExtensions, with_weight,23	weights::WeightInfo as _,24};25use pallet_structure::Error as StructureError;26use sp_runtime::ArithmeticError;27use sp_std::{vec::Vec, vec};28use up_data_structs::{Property, PropertyKey, PropertyValue, PropertyKeyPermission};2930use crate::{31	Allowance, TotalSupply, Balance, Config, Error, FungibleHandle, Pallet, SelfWeightOf,32	weights::WeightInfo,33};3435pub struct CommonWeights<T: Config>(PhantomData<T>);36impl<T: Config> CommonWeightInfo<T::CrossAccountId> for CommonWeights<T> {37	fn create_item() -> Weight {38		<SelfWeightOf<T>>::create_item()39	}4041	fn create_multiple_items(_data: &[CreateItemData]) -> Weight {42		// All items minted for the same user, so it works same as create_item43		Self::create_item()44	}4546	fn create_multiple_items_ex(data: &CreateItemExData<T::CrossAccountId>) -> Weight {47		match data {48			CreateItemExData::Fungible(f) => {49				<SelfWeightOf<T>>::create_multiple_items_ex(f.len() as u32)50			}51			_ => Weight::zero(),52		}53	}5455	fn burn_item() -> Weight {56		<SelfWeightOf<T>>::burn_item()57	}5859	fn set_collection_properties(amount: u32) -> Weight {60		<pallet_common::SelfWeightOf<T>>::set_collection_properties(amount)61	}6263	fn delete_collection_properties(amount: u32) -> Weight {64		<pallet_common::SelfWeightOf<T>>::delete_collection_properties(amount)65	}6667	fn set_token_properties(_amount: u32) -> Weight {68		// Error69		Weight::zero()70	}7172	fn delete_token_properties(_amount: u32) -> Weight {73		// Error74		Weight::zero()75	}7677	fn set_token_property_permissions(_amount: u32) -> Weight {78		// Error79		Weight::zero()80	}8182	fn transfer() -> Weight {83		<SelfWeightOf<T>>::transfer()84	}8586	fn approve() -> Weight {87		<SelfWeightOf<T>>::approve()88	}8990	fn approve_from() -> Weight {91		<SelfWeightOf<T>>::approve_from()92	}9394	fn transfer_from() -> Weight {95		<SelfWeightOf<T>>::transfer_from()96	}9798	fn burn_from() -> Weight {99		<SelfWeightOf<T>>::burn_from()100	}101102	fn burn_recursively_self_raw() -> Weight {103		// Read to get total balance104		Self::burn_item() + T::DbWeight::get().reads(1)105	}106107	fn burn_recursively_breadth_raw(_amount: u32) -> Weight {108		// Fungible tokens can't have children109		Weight::zero()110	}111112	fn token_owner() -> Weight {113		Weight::zero()114	}115116	fn set_allowance_for_all() -> Weight {117		Weight::zero()118	}119120	fn force_repair_item() -> Weight {121		Weight::zero()122	}123}124125/// Implementation of `CommonCollectionOperations` for `FungibleHandle`. It wraps FungibleHandle Pallete126/// methods and adds weight info.127impl<T: Config> CommonCollectionOperations<T> for FungibleHandle<T> {128	fn create_item(129		&self,130		sender: T::CrossAccountId,131		to: T::CrossAccountId,132		data: up_data_structs::CreateItemData,133		nesting_budget: &dyn Budget,134	) -> DispatchResultWithPostInfo {135		match data {136			up_data_structs::CreateItemData::Fungible(data) => with_weight(137				<Pallet<T>>::create_item(self, &sender, (to, data.value), nesting_budget),138				<CommonWeights<T>>::create_item(),139			),140			_ => fail!(<Error<T>>::NotFungibleDataUsedToMintFungibleCollectionToken),141		}142	}143144	fn create_multiple_items(145		&self,146		sender: T::CrossAccountId,147		to: T::CrossAccountId,148		data: Vec<up_data_structs::CreateItemData>,149		nesting_budget: &dyn Budget,150	) -> DispatchResultWithPostInfo {151		let mut sum: u128 = 0;152		for data in data {153			match data {154				up_data_structs::CreateItemData::Fungible(data) => {155					sum = sum156						.checked_add(data.value)157						.ok_or(ArithmeticError::Overflow)?;158				}159				_ => fail!(<Error<T>>::NotFungibleDataUsedToMintFungibleCollectionToken),160			}161		}162163		with_weight(164			<Pallet<T>>::create_item(self, &sender, (to, sum), nesting_budget),165			<CommonWeights<T>>::create_item(),166		)167	}168169	fn create_multiple_items_ex(170		&self,171		sender: <T>::CrossAccountId,172		data: up_data_structs::CreateItemExData<<T>::CrossAccountId>,173		nesting_budget: &dyn Budget,174	) -> DispatchResultWithPostInfo {175		let weight = <CommonWeights<T>>::create_multiple_items_ex(&data);176		let data = match data {177			up_data_structs::CreateItemExData::Fungible(f) => f,178			_ => fail!(<Error<T>>::NotFungibleDataUsedToMintFungibleCollectionToken),179		};180181		with_weight(182			<Pallet<T>>::create_multiple_items(self, &sender, data.into_inner(), nesting_budget),183			weight,184		)185	}186187	fn burn_item(188		&self,189		sender: T::CrossAccountId,190		token: TokenId,191		amount: u128,192	) -> DispatchResultWithPostInfo {193		ensure!(194			token == TokenId::default(),195			<Error<T>>::FungibleItemsHaveNoId196		);197198		with_weight(199			<Pallet<T>>::burn(self, &sender, amount),200			<CommonWeights<T>>::burn_item(),201		)202	}203204	fn burn_item_recursively(205		&self,206		sender: T::CrossAccountId,207		token: TokenId,208		self_budget: &dyn Budget,209		_breadth_budget: &dyn Budget,210	) -> DispatchResultWithPostInfo {211		// Should not happen?212		ensure!(213			token == TokenId::default(),214			<Error<T>>::FungibleItemsHaveNoId215		);216		ensure!(self_budget.consume(), <StructureError<T>>::DepthLimit,);217218		with_weight(219			<Pallet<T>>::burn(self, &sender, <Balance<T>>::get((self.id, &sender))),220			<CommonWeights<T>>::burn_recursively_self_raw(),221		)222	}223224	fn transfer(225		&self,226		from: T::CrossAccountId,227		to: T::CrossAccountId,228		token: TokenId,229		amount: u128,230		nesting_budget: &dyn Budget,231	) -> DispatchResultWithPostInfo {232		ensure!(233			token == TokenId::default(),234			<Error<T>>::FungibleItemsHaveNoId235		);236237		with_weight(238			<Pallet<T>>::transfer(self, &from, &to, amount, nesting_budget),239			<CommonWeights<T>>::transfer(),240		)241	}242243	fn approve(244		&self,245		sender: T::CrossAccountId,246		spender: T::CrossAccountId,247		token: TokenId,248		amount: u128,249	) -> DispatchResultWithPostInfo {250		ensure!(251			token == TokenId::default(),252			<Error<T>>::FungibleItemsHaveNoId253		);254255		with_weight(256			<Pallet<T>>::set_allowance(self, &sender, &spender, amount),257			<CommonWeights<T>>::approve(),258		)259	}260261	fn approve_from(262		&self,263		sender: T::CrossAccountId,264		from: T::CrossAccountId,265		to: T::CrossAccountId,266		token: TokenId,267		amount: u128,268	) -> DispatchResultWithPostInfo {269		ensure!(270			token == TokenId::default(),271			<Error<T>>::FungibleItemsHaveNoId272		);273274		with_weight(275			<Pallet<T>>::set_allowance_for(self, &sender, &from, &to, amount),276			<CommonWeights<T>>::approve_from(),277		)278	}279280	fn transfer_from(281		&self,282		sender: T::CrossAccountId,283		from: T::CrossAccountId,284		to: T::CrossAccountId,285		token: TokenId,286		amount: u128,287		nesting_budget: &dyn Budget,288	) -> DispatchResultWithPostInfo {289		ensure!(290			token == TokenId::default(),291			<Error<T>>::FungibleItemsHaveNoId292		);293294		with_weight(295			<Pallet<T>>::transfer_from(self, &sender, &from, &to, amount, nesting_budget),296			<CommonWeights<T>>::transfer_from(),297		)298	}299300	fn burn_from(301		&self,302		sender: T::CrossAccountId,303		from: T::CrossAccountId,304		token: TokenId,305		amount: u128,306		nesting_budget: &dyn Budget,307	) -> DispatchResultWithPostInfo {308		ensure!(309			token == TokenId::default(),310			<Error<T>>::FungibleItemsHaveNoId311		);312313		with_weight(314			<Pallet<T>>::burn_from(self, &sender, &from, amount, nesting_budget),315			<CommonWeights<T>>::burn_from(),316		)317	}318319	fn set_collection_properties(320		&self,321		sender: T::CrossAccountId,322		properties: Vec<Property>,323	) -> DispatchResultWithPostInfo {324		let weight = <CommonWeights<T>>::set_collection_properties(properties.len() as u32);325326		with_weight(327			<Pallet<T>>::set_collection_properties(self, &sender, properties),328			weight,329		)330	}331332	fn delete_collection_properties(333		&self,334		sender: &T::CrossAccountId,335		property_keys: Vec<PropertyKey>,336	) -> DispatchResultWithPostInfo {337		let weight = <CommonWeights<T>>::delete_collection_properties(property_keys.len() as u32);338339		with_weight(340			<Pallet<T>>::delete_collection_properties(self, sender, property_keys),341			weight,342		)343	}344345	fn set_token_properties(346		&self,347		_sender: T::CrossAccountId,348		_token_id: TokenId,349		_property: Vec<Property>,350		_nesting_budget: &dyn Budget,351	) -> DispatchResultWithPostInfo {352		fail!(<Error<T>>::SettingPropertiesNotAllowed)353	}354355	fn set_token_property_permissions(356		&self,357		_sender: &T::CrossAccountId,358		_property_permissions: Vec<PropertyKeyPermission>,359	) -> DispatchResultWithPostInfo {360		fail!(<Error<T>>::SettingPropertiesNotAllowed)361	}362363	fn delete_token_properties(364		&self,365		_sender: T::CrossAccountId,366		_token_id: TokenId,367		_property_keys: Vec<PropertyKey>,368		_nesting_budget: &dyn Budget,369	) -> DispatchResultWithPostInfo {370		fail!(<Error<T>>::SettingPropertiesNotAllowed)371	}372373	fn check_nesting(374		&self,375		_sender: <T>::CrossAccountId,376		_from: (CollectionId, TokenId),377		_under: TokenId,378		_nesting_budget: &dyn Budget,379	) -> sp_runtime::DispatchResult {380		fail!(<Error<T>>::FungibleDisallowsNesting)381	}382383	fn nest(&self, _under: TokenId, _to_nest: (CollectionId, TokenId)) {}384385	fn unnest(&self, _under: TokenId, _to_nest: (CollectionId, TokenId)) {}386387	fn collection_tokens(&self) -> Vec<TokenId> {388		vec![TokenId::default()]389	}390391	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId> {392		if <Balance<T>>::get((self.id, account)) != 0 {393			vec![TokenId::default()]394		} else {395			vec![]396		}397	}398399	fn token_exists(&self, token: TokenId) -> bool {400		token == TokenId::default()401	}402403	fn last_token_id(&self) -> TokenId {404		TokenId::default()405	}406407	fn token_owner(&self, _token: TokenId) -> Option<T::CrossAccountId> {408		None409	}410411	/// Returns 10 tokens owners in no particular order.412	fn token_owners(&self, token: TokenId) -> Vec<T::CrossAccountId> {413		<Pallet<T>>::token_owners(self.id, token).unwrap_or_default()414	}415416	fn token_property(&self, _token_id: TokenId, _key: &PropertyKey) -> Option<PropertyValue> {417		None418	}419420	fn token_properties(421		&self,422		_token_id: TokenId,423		_keys: Option<Vec<PropertyKey>>,424	) -> Vec<Property> {425		Vec::new()426	}427428	fn total_supply(&self) -> u32 {429		1430	}431432	fn account_balance(&self, account: T::CrossAccountId) -> u32 {433		if <Balance<T>>::get((self.id, account)) != 0 {434			1435		} else {436			0437		}438	}439440	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128 {441		if token != TokenId::default() {442			return 0;443		}444		<Balance<T>>::get((self.id, account))445	}446447	fn allowance(448		&self,449		sender: T::CrossAccountId,450		spender: T::CrossAccountId,451		token: TokenId,452	) -> u128 {453		if token != TokenId::default() {454			return 0;455		}456		<Allowance<T>>::get((self.id, sender, spender))457	}458459	fn refungible_extensions(&self) -> Option<&dyn RefungibleExtensions<T>> {460		None461	}462463	fn total_pieces(&self, token: TokenId) -> Option<u128> {464		if token != TokenId::default() {465			return None;466		}467		<TotalSupply<T>>::try_get(self.id).ok()468	}469470	fn set_allowance_for_all(471		&self,472		_owner: T::CrossAccountId,473		_operator: T::CrossAccountId,474		_approve: bool,475	) -> DispatchResultWithPostInfo {476		fail!(<Error<T>>::SettingAllowanceForAllNotAllowed)477	}478479	fn allowance_for_all(&self, _owner: T::CrossAccountId, _operator: T::CrossAccountId) -> bool {480		false481	}482483	/// Repairs a possibly broken item.484	fn repair_item(&self, _token: TokenId) -> DispatchResultWithPostInfo {485		fail!(<Error<T>>::FungibleTokensAreAlwaysValid)486	}487}
modifiedpallets/fungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/fungible/src/lib.rs
+++ b/pallets/fungible/src/lib.rs
@@ -613,6 +613,45 @@
 		Ok(())
 	}
 
+	/// Set allowance for the spender to `transfer` or `burn` owner's tokens from eth mirror.
+	///
+	/// - `collection`: Collection that contains the token
+	/// - `sender`: Owner of tokens that sets the allowance.
+	/// - `from`: Owner's eth mirror.
+	/// - `to`: Recipient of the allowance rights.
+	/// - `amount`: Amount of tokens the spender is allowed to `transfer` or `burn`.
+	pub fn set_allowance_for(
+		collection: &FungibleHandle<T>,
+		sender: &T::CrossAccountId,
+		from: &T::CrossAccountId,
+		to: &T::CrossAccountId,
+		amount: u128,
+	) -> DispatchResult {
+		if collection.permissions.access() == AccessMode::AllowList {
+			collection.check_allowlist(sender)?;
+			collection.check_allowlist(from)?;
+			collection.check_allowlist(to)?;
+		}
+
+		ensure!(
+			*sender.as_eth() == *from.as_eth(),
+			<CommonError<T>>::AddressIsNotEthMirror
+		);
+
+		if <Balance<T>>::get((collection.id, from)) < amount {
+			ensure!(
+				collection.limits.owner_can_transfer()
+					&& (collection.is_owner_or_admin(sender) || collection.is_owner_or_admin(from)),
+				<CommonError<T>>::CantApproveMoreThanOwned
+			);
+		}
+
+		// =========
+
+		Self::set_allowance_unchecked(collection, from, to, amount);
+		Ok(())
+	}
+
 	/// Checks if a non-owner has (enough) allowance from the owner to perform operations on the tokens.
 	/// Returns the expected remaining allowance - it should be set manually if the transaction proceeds.
 	///
modifiedpallets/fungible/src/weights.rsdiffbeforeafterboth
--- a/pallets/fungible/src/weights.rs
+++ b/pallets/fungible/src/weights.rs
@@ -39,6 +39,7 @@
 	fn burn_item() -> Weight;
 	fn transfer() -> Weight;
 	fn approve() -> Weight;
+	fn approve_from() -> Weight;
 	fn transfer_from() -> Weight;
 	fn burn_from() -> Weight;
 }
@@ -84,6 +85,13 @@
 			.saturating_add(T::DbWeight::get().reads(1 as u64))
 			.saturating_add(T::DbWeight::get().writes(1 as u64))
 	}
+	// Storage: Fungible Balance (r:1 w:0)
+	// Storage: Fungible Allowance (r:0 w:1)
+	fn approve_from() -> Weight {
+		Weight::from_ref_time(19_817_000 as u64)
+			.saturating_add(T::DbWeight::get().reads(1 as u64))
+			.saturating_add(T::DbWeight::get().writes(1 as u64))
+	}
 	// Storage: Fungible Allowance (r:1 w:1)
 	// Storage: Fungible Balance (r:2 w:2)
 	fn transfer_from() -> Weight {
@@ -141,6 +149,13 @@
 			.saturating_add(RocksDbWeight::get().reads(1 as u64))
 			.saturating_add(RocksDbWeight::get().writes(1 as u64))
 	}
+	// Storage: Fungible Balance (r:1 w:0)
+	// Storage: Fungible Allowance (r:0 w:1)
+	fn approve_from() -> Weight {
+		Weight::from_ref_time(19_817_000 as u64)
+			.saturating_add(RocksDbWeight::get().reads(1 as u64))
+			.saturating_add(RocksDbWeight::get().writes(1 as u64))
+	}
 	// Storage: Fungible Allowance (r:1 w:1)
 	// Storage: Fungible Balance (r:2 w:2)
 	fn transfer_from() -> Weight {
modifiedpallets/nonfungible/src/benchmarking.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/benchmarking.rs
+++ b/pallets/nonfungible/src/benchmarking.rs
@@ -134,6 +134,15 @@
 		let item = create_max_item(&collection, &owner, sender.clone())?;
 	}: {<Pallet<T>>::set_allowance(&collection, &sender, item, Some(&spender))?}
 
+	approve_from {
+		bench_init!{
+			owner: sub; collection: collection(owner);
+			owner: cross_from_sub; sender: cross_sub; spender: cross_sub;
+		};
+		let owner_eth = T::CrossAccountId::from_eth(*sender.as_eth());
+		let item = create_max_item(&collection, &owner, owner_eth.clone())?;
+	}: {<Pallet<T>>::set_allowance_for(&collection, &sender, &owner_eth, item, Some(&spender))?}
+
 	transfer_from {
 		bench_init!{
 			owner: sub; collection: collection(owner);
modifiedpallets/nonfungible/src/common.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/common.rs
+++ b/pallets/nonfungible/src/common.rs
@@ -102,6 +102,10 @@
 		<SelfWeightOf<T>>::approve()
 	}
 
+	fn approve_from() -> Weight {
+		<SelfWeightOf<T>>::approve_from()
+	}
+
 	fn transfer_from() -> Weight {
 		<SelfWeightOf<T>>::transfer_from()
 	}
@@ -353,6 +357,26 @@
 		)
 	}
 
+	fn approve_from(
+		&self,
+		sender: T::CrossAccountId,
+		from: T::CrossAccountId,
+		to: T::CrossAccountId,
+		token: TokenId,
+		amount: u128,
+	) -> DispatchResultWithPostInfo {
+		ensure!(amount <= 1, <Error<T>>::NonfungibleItemsHaveNoAmount);
+
+		with_weight(
+			if amount == 1 {
+				<Pallet<T>>::set_allowance_for(self, &sender, &from, token, Some(&to))
+			} else {
+				<Pallet<T>>::set_allowance_for(self, &sender, &from, token, None)
+			},
+			<CommonWeights<T>>::approve_from(),
+		)
+	}
+
 	fn transfer_from(
 		&self,
 		sender: T::CrossAccountId,
modifiedpallets/nonfungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/lib.rs
+++ b/pallets/nonfungible/src/lib.rs
@@ -1171,6 +1171,51 @@
 		Ok(())
 	}
 
+	/// Set allowance for the spender to `transfer` or `burn` sender's token from eth mirror.
+	///
+	/// - `from`: Address of sender's eth mirror.
+	/// - `to`: Adress of spender.
+	/// - `token`: Token the spender is allowed to `transfer` or `burn`.
+	pub fn set_allowance_for(
+		collection: &NonfungibleHandle<T>,
+		sender: &T::CrossAccountId,
+		from: &T::CrossAccountId,
+		token: TokenId,
+		to: Option<&T::CrossAccountId>,
+	) -> DispatchResult {
+		if collection.permissions.access() == AccessMode::AllowList {
+			collection.check_allowlist(sender)?;
+			collection.check_allowlist(from)?;
+			if let Some(to) = to {
+				collection.check_allowlist(to)?;
+			}
+		}
+
+		if let Some(to) = to {
+			<PalletCommon<T>>::ensure_correct_receiver(to)?;
+		}
+
+		ensure!(
+			*sender.as_eth() == *from.as_eth(),
+			<CommonError<T>>::AddressIsNotEthMirror
+		);
+
+		let token_data =
+			<TokenData<T>>::get((collection.id, token)).ok_or(<CommonError<T>>::TokenNotFound)?;
+		if token_data.owner != *from {
+			ensure!(
+				collection.limits.owner_can_transfer()
+					&& (collection.is_owner_or_admin(sender) || collection.is_owner_or_admin(from)),
+				<CommonError<T>>::CantApproveMoreThanOwned
+			);
+		}
+
+		// =========
+
+		Self::set_allowance_unchecked(collection, from, token, to, false);
+		Ok(())
+	}
+
 	/// Checks allowance for the spender to use the token.
 	fn check_allowed(
 		collection: &NonfungibleHandle<T>,
modifiedpallets/nonfungible/src/weights.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/weights.rs
+++ b/pallets/nonfungible/src/weights.rs
@@ -42,6 +42,7 @@
 	fn burn_recursively_breadth_plus_self_plus_self_per_each_raw(b: u32, ) -> Weight;
 	fn transfer() -> Weight;
 	fn approve() -> Weight;
+	fn approve_from() -> Weight;
 	fn transfer_from() -> Weight;
 	fn burn_from() -> Weight;
 	fn set_token_property_permissions(b: u32, ) -> Weight;
@@ -147,6 +148,13 @@
 			.saturating_add(T::DbWeight::get().reads(2 as u64))
 			.saturating_add(T::DbWeight::get().writes(1 as u64))
 	}
+	// Storage: Nonfungible TokenData (r:1 w:0)
+	// Storage: Nonfungible Allowance (r:1 w:1)
+	fn approve_from() -> Weight {
+		Weight::from_ref_time(18_965_000 as u64)
+			.saturating_add(T::DbWeight::get().reads(2 as u64))
+			.saturating_add(T::DbWeight::get().writes(1 as u64))
+	}
 	// Storage: Nonfungible Allowance (r:1 w:1)
 	// Storage: Nonfungible TokenData (r:1 w:1)
 	// Storage: Nonfungible AccountBalance (r:2 w:2)
@@ -310,6 +318,13 @@
 			.saturating_add(RocksDbWeight::get().reads(2 as u64))
 			.saturating_add(RocksDbWeight::get().writes(1 as u64))
 	}
+	// Storage: Nonfungible TokenData (r:1 w:0)
+	// Storage: Nonfungible Allowance (r:1 w:1)
+	fn approve_from() -> Weight {
+		Weight::from_ref_time(18_965_000 as u64)
+			.saturating_add(RocksDbWeight::get().reads(2 as u64))
+			.saturating_add(RocksDbWeight::get().writes(1 as u64))
+	}
 	// Storage: Nonfungible Allowance (r:1 w:1)
 	// Storage: Nonfungible TokenData (r:1 w:1)
 	// Storage: Nonfungible AccountBalance (r:2 w:2)
modifiedpallets/refungible/src/benchmarking.rsdiffbeforeafterboth
--- a/pallets/refungible/src/benchmarking.rs
+++ b/pallets/refungible/src/benchmarking.rs
@@ -163,6 +163,15 @@
 		let item = create_max_item(&collection, &owner, [(sender.clone(), 200)])?;
 	}: {<Pallet<T>>::set_allowance(&collection, &sender, &spender, item, 100)?}
 
+	approve_from {
+		bench_init!{
+			owner: sub; collection: collection(owner);
+			owner: cross_from_sub; sender: cross_sub; spender: cross_sub;
+		};
+		let owner_eth = T::CrossAccountId::from_eth(*sender.as_eth());
+		let item = create_max_item(&collection, &owner, [(owner_eth.clone(), 200)])?;
+	}: {<Pallet<T>>::set_allowance_for(&collection, &sender, &owner_eth, &spender, item, 100)?}
+
 	transfer_from_normal {
 		bench_init!{
 			owner: sub; collection: collection(owner);
modifiedpallets/refungible/src/common.rsdiffbeforeafterboth
--- a/pallets/refungible/src/common.rs
+++ b/pallets/refungible/src/common.rs
@@ -127,6 +127,10 @@
 		<SelfWeightOf<T>>::approve()
 	}
 
+	fn approve_from() -> Weight {
+		<SelfWeightOf<T>>::approve_from()
+	}
+
 	fn transfer_from() -> Weight {
 		max_weight_of!(
 			transfer_from_normal(),
@@ -314,6 +318,20 @@
 		)
 	}
 
+	fn approve_from(
+		&self,
+		sender: T::CrossAccountId,
+		from: T::CrossAccountId,
+		to: T::CrossAccountId,
+		token_id: TokenId,
+		amount: u128,
+	) -> DispatchResultWithPostInfo {
+		with_weight(
+			<Pallet<T>>::set_allowance_for(self, &sender, &from, &to, token_id, amount),
+			<CommonWeights<T>>::approve_from(),
+		)
+	}
+
 	fn transfer_from(
 		&self,
 		sender: T::CrossAccountId,
modifiedpallets/refungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -1102,6 +1102,47 @@
 		Ok(())
 	}
 
+	/// Set allowance to spend from sender's eth mirror
+	///
+	/// - `from`: Address of sender's eth mirror.
+	/// - `to`: Adress of spender.
+	/// - `amount`: Amount of token pieces the spender is allowed to `transfer` or `burn.
+	pub fn set_allowance_for(
+		collection: &RefungibleHandle<T>,
+		sender: &T::CrossAccountId,
+		from: &T::CrossAccountId,
+		to: &T::CrossAccountId,
+		token_id: TokenId,
+		amount: u128,
+	) -> DispatchResult {
+		if collection.permissions.access() == AccessMode::AllowList {
+			collection.check_allowlist(sender)?;
+			collection.check_allowlist(from)?;
+			collection.check_allowlist(to)?;
+		}
+
+		<PalletCommon<T>>::ensure_correct_receiver(to)?;
+
+		ensure!(
+			*sender.as_eth() == *from.as_eth(),
+			<CommonError<T>>::AddressIsNotEthMirror
+		);
+
+		if <Balance<T>>::get((collection.id, token_id, from)) < amount {
+			ensure!(
+				collection.limits.owner_can_transfer()
+					&& (collection.is_owner_or_admin(sender) || collection.is_owner_or_admin(from))
+					&& Self::token_exists(collection, token_id),
+				<CommonError<T>>::CantApproveMoreThanOwned
+			);
+		}
+
+		// =========
+
+		Self::set_allowance_unchecked(collection, from, to, token_id, amount);
+		Ok(())
+	}
+
 	/// Returns allowance, which should be set after transaction
 	fn check_allowed(
 		collection: &RefungibleHandle<T>,
modifiedpallets/refungible/src/weights.rsdiffbeforeafterboth
--- a/pallets/refungible/src/weights.rs
+++ b/pallets/refungible/src/weights.rs
@@ -45,6 +45,7 @@
 	fn transfer_removing() -> Weight;
 	fn transfer_creating_removing() -> Weight;
 	fn approve() -> Weight;
+	fn approve_from() -> Weight;
 	fn transfer_from_normal() -> Weight;
 	fn transfer_from_creating() -> Weight;
 	fn transfer_from_removing() -> Weight;
@@ -175,6 +176,13 @@
 			.saturating_add(T::DbWeight::get().reads(1 as u64))
 			.saturating_add(T::DbWeight::get().writes(1 as u64))
 	}
+	// Storage: Refungible Balance (r:1 w:0)
+	// Storage: Refungible Allowance (r:0 w:1)
+	fn approve_from() -> Weight {
+		Weight::from_ref_time(20_649_000 as u64)
+			.saturating_add(T::DbWeight::get().reads(1 as u64))
+			.saturating_add(T::DbWeight::get().writes(1 as u64))
+	}
 	// Storage: Refungible Allowance (r:1 w:1)
 	// Storage: Refungible CollectionAllowance (r:1 w:0)
 	// Storage: Refungible Balance (r:2 w:2)
@@ -400,6 +408,13 @@
 			.saturating_add(RocksDbWeight::get().reads(1 as u64))
 			.saturating_add(RocksDbWeight::get().writes(1 as u64))
 	}
+	// Storage: Refungible Balance (r:1 w:0)
+	// Storage: Refungible Allowance (r:0 w:1)
+	fn approve_from() -> Weight {
+		Weight::from_ref_time(20_649_000 as u64)
+			.saturating_add(RocksDbWeight::get().reads(1 as u64))
+			.saturating_add(RocksDbWeight::get().writes(1 as u64))
+	}
 	// Storage: Refungible Allowance (r:1 w:1)
 	// Storage: Refungible CollectionAllowance (r:1 w:0)
 	// Storage: Refungible Balance (r:2 w:2)
modifiedpallets/unique/src/lib.rsdiffbeforeafterboth
--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -851,6 +851,29 @@
 			dispatch_tx::<T, _>(collection_id, |d| d.approve(sender, spender, item_id, amount))
 		}
 
+		/// Allow a non-permissioned address to transfer or burn an item from owner's eth mirror.
+		///
+		/// # Permissions
+		///
+		/// * Collection owner
+		/// * Collection admin
+		/// * Current item owner
+		///
+		/// # Arguments
+		///
+		/// * `from`: Owner's account eth mirror
+		/// * `to`: Account to be approved to make specific transactions on non-owned tokens.
+		/// * `collection_id`: ID of the collection the item belongs to.
+		/// * `item_id`: ID of the item transactions on which are now approved.
+		/// * `amount`: Number of pieces of the item approved for a transaction (maximum of 1 for NFTs).
+		/// Set to 0 to revoke the approval.
+		#[weight = T::CommonWeightInfo::approve_from()]
+		pub fn approve_from(origin, from:T::CrossAccountId, to: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResultWithPostInfo {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+
+			dispatch_tx::<T, _>(collection_id, |d| d.approve_from(sender, from, to, item_id, amount))
+		}
+
 		/// Change ownership of an item on behalf of the owner as a non-owner account.
 		///
 		/// See the [`approve`][`Pallet::approve`] method for additional information.
modifiedruntime/common/identity.rsdiffbeforeafterboth
--- a/runtime/common/identity.rs
+++ b/runtime/common/identity.rs
@@ -21,9 +21,7 @@
 
 use sp_runtime::{
 	traits::{DispatchInfoOf, SignedExtension},
-	transaction_validity::{
-		TransactionValidity, ValidTransaction, InvalidTransaction, TransactionValidityError,
-	},
+	transaction_validity::{TransactionValidity, ValidTransaction, TransactionValidityError},
 };
 
 #[derive(Debug, Encode, Decode, PartialEq, Eq, Clone, TypeInfo)]
modifiedruntime/common/weights.rsdiffbeforeafterboth
--- a/runtime/common/weights.rs
+++ b/runtime/common/weights.rs
@@ -101,6 +101,10 @@
 		dispatch_weight::<T>() + max_weight_of!(approve())
 	}
 
+	fn approve_from() -> Weight {
+		dispatch_weight::<T>() + max_weight_of!(approve_from())
+	}
+
 	fn transfer_from() -> Weight {
 		dispatch_weight::<T>() + max_weight_of!(transfer_from())
 	}
modifiedtests/src/approve.test.tsdiffbeforeafterboth
--- a/tests/src/approve.test.ts
+++ b/tests/src/approve.test.ts
@@ -16,336 +16,521 @@
 
 import {IKeyringPair} from '@polkadot/types/types';
 import {expect, itSub, Pallets, usingPlaygrounds} from './util';
+import {CrossAccountId} from './util/playgrounds/unique';
+
 
 
-describe('Integration Test approve(spender, collection_id, item_id, amount):', () => {
-  let alice: IKeyringPair;
-  let bob: IKeyringPair;
-  let charlie: IKeyringPair;
+[
+  {method: 'approveToken', account: (account: IKeyringPair) => CrossAccountId.fromKeyring(account)},
+  {method: 'approveTokenFromEth', account: (account: IKeyringPair) => CrossAccountId.fromKeyring(account).toEthereum()},
+].map(testCase => {
+  describe(`Integration Test ${testCase.method}(spender, collection_id, item_id, amount):`, () => {
+    let alice: IKeyringPair;
+    let bob: IKeyringPair;
+    let charlie: IKeyringPair;
 
-  before(async () => {
-    await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = await privateKey({filename: __filename});
-      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+    before(async () => {
+      await usingPlaygrounds(async (helper, privateKey) => {
+        const donor = await privateKey({filename: __filename});
+        [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+      });
     });
-  });
 
-  itSub('[nft] Execute the extrinsic and check approvedList', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});
-    await helper.nft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});
-    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.true;
-  });
+    itSub('[nft] Execute the extrinsic and check approvedList', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(alice)});
+      await (helper.nft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address});
+      expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.true;
+    });
+
+    itSub('[fungible] Execute the extrinsic and check approvedList', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
+      await helper.ft.mintTokens(alice, collectionId, 10n, testCase.account(alice));
+      const tokenId = await helper.ft.getLastTokenId(collectionId);
+      await (helper.ft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address});
+      const amount = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, testCase.account(alice));
+      expect(amount).to.be.equal(BigInt(1));
+    });
+
+    itSub.ifWithPallets('[refungible] Execute the extrinsic and check approvedList', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(alice), pieces: 100n});
+      await (helper.rft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address});
+      const amount = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, testCase.account(alice));
+      expect(amount).to.be.equal(BigInt(1));
+    });
+
+    itSub('[nft] Remove approval by using 0 amount', async ({helper}) => {
+      const collection = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const collectionId = collection.collectionId;
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(alice)});
+      await (helper.nft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address});
+      expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.true;
+      await (helper.nft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address}, 0n);
+      expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.false;
+    });
 
-  itSub('[fungible] Execute the extrinsic and check approvedList', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
-    await helper.ft.mintTokens(alice, collectionId, 10n, {Substrate: alice.address});
-    const tokenId = await helper.ft.getLastTokenId(collectionId);
-    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});
-    const amount = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    expect(amount).to.be.equal(BigInt(1));
-  });
+    itSub('[fungible] Remove approval by using 0 amount', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
+      await helper.ft.mintTokens(alice, collectionId, 10n, testCase.account(alice));
+      const tokenId = await helper.ft.getLastTokenId(collectionId);
+      await (helper.ft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address});
+      const amountBefore = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, testCase.account(alice));
+      expect(amountBefore).to.be.equal(BigInt(1));
 
-  itSub.ifWithPallets('[refungible] Execute the extrinsic and check approvedList', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});
-    await helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});
-    const amount = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    expect(amount).to.be.equal(BigInt(1));
-  });
+      await (helper.ft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address}, 0n);
+      const amountAfter = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, testCase.account(alice));
+      expect(amountAfter).to.be.equal(BigInt(0));
+    });
 
-  itSub('[nft] Remove approval by using 0 amount', async ({helper}) => {
-    const collection = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const collectionId = collection.collectionId;
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});
-    await helper.nft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});
-    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.true;
-    await helper.signTransaction(alice, helper.constructApiCall('api.tx.unique.approve', [{Substrate: bob.address}, collectionId, tokenId, 0]));
-    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.false;
-  });
+    itSub.ifWithPallets('[refungible] Remove approval by using 0 amount', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(alice), pieces: 100n});
+      await (helper.rft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address});
+      const amountBefore = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, testCase.account(alice));
+      expect(amountBefore).to.be.equal(BigInt(1));
 
-  itSub('[fungible] Remove approval by using 0 amount', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
-    await helper.ft.mintTokens(alice, collectionId, 10n, {Substrate: alice.address});
-    const tokenId = await helper.ft.getLastTokenId(collectionId);
-    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});
-    const amountBefore = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    expect(amountBefore).to.be.equal(BigInt(1));
+      await (helper.rft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address}, 0n);
+      const amountAfter = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, testCase.account(alice));
+      expect(amountAfter).to.be.equal(BigInt(0));
+    });
 
-    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 0n);
-    const amountAfter = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    expect(amountAfter).to.be.equal(BigInt(0));
+    itSub('can`t be called by collection owner on non-owned item when OwnerCanTransfer == false', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(bob)});
+      const result = (helper.nft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: charlie.address});
+      await expect(result).to.be.rejected;
+    });
   });
 
-  itSub.ifWithPallets('[refungible] Remove approval by using 0 amount', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});
-    await helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});
-    const amountBefore = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    expect(amountBefore).to.be.equal(BigInt(1));
+  describe(`[${testCase.method}] Normal user can approve other users to transfer:`, () => {
+    let alice: IKeyringPair;
+    let bob: IKeyringPair;
+    let charlie: IKeyringPair;
 
-    await helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 0n);
-    const amountAfter = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    expect(amountAfter).to.be.equal(BigInt(0));
-  });
+    before(async () => {
+      await usingPlaygrounds(async (helper, privateKey) => {
+        const donor = await privateKey({filename: __filename});
+        [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+      });
+    });
 
-  itSub('can`t be called by collection owner on non-owned item when OwnerCanTransfer == false', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});
-    const approveTokenTx = () => helper.nft.approveToken(alice, collectionId, tokenId, {Substrate: charlie.address});
-    await expect(approveTokenTx()).to.be.rejected;
-  });
-});
+    itSub('NFT', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(bob)});
+      await (helper.nft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address});
+      expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: charlie.address})).to.be.true;
+    });
 
-describe('Normal user can approve other users to transfer:', () => {
-  let alice: IKeyringPair;
-  let bob: IKeyringPair;
-  let charlie: IKeyringPair;
+    itSub('Fungible up to an approved amount', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
+      await helper.ft.mintTokens(alice, collectionId, 10n, testCase.account(bob));
+      const tokenId = await helper.ft.getLastTokenId(collectionId);
+      await (helper.ft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address});
+      const amount = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: charlie.address}, testCase.account(bob));
+      expect(amount).to.be.equal(BigInt(1));
+    });
 
-  before(async () => {
-    await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = await privateKey({filename: __filename});
-      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+    itSub.ifWithPallets('ReFungible up to an approved amount', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(bob), pieces: 100n});
+      await (helper.rft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address}, 100n);
+      const amount = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: charlie.address}, testCase.account(bob));
+      expect(amount).to.be.equal(BigInt(100n));
     });
   });
 
-  itSub('NFT', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});
-    await helper.nft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});
-    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: charlie.address})).to.be.true;
-  });
+  describe(`[${testCase.method}] Approved users can transferFrom up to approved amount:`, () => {
+    let alice: IKeyringPair;
+    let bob: IKeyringPair;
+    let charlie: IKeyringPair;
 
-  itSub('Fungible up to an approved amount', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
-    await helper.ft.mintTokens(alice, collectionId, 10n, bob.address);
-    const tokenId = await helper.ft.getLastTokenId(collectionId);
-    await helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});
-    const amount = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: charlie.address}, {Substrate: bob.address});
-    expect(amount).to.be.equal(BigInt(1));
-  });
+    before(async () => {
+      await usingPlaygrounds(async (helper, privateKey) => {
+        const donor = await privateKey({filename: __filename});
+        [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+      });
+    });
 
-  itSub.ifWithPallets('ReFungible up to an approved amount', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: bob.address, pieces: 100n});
-    await helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address}, 100n);
-    const amount = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: charlie.address}, {Substrate: bob.address});
-    expect(amount).to.be.equal(BigInt(100n));
+    itSub('NFT', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(bob)});
+      await (helper.nft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address});
+      await helper.nft.transferTokenFrom(charlie, collectionId, tokenId, testCase.account(bob), {Substrate: alice.address});
+      const owner = await helper.nft.getTokenOwner(collectionId, tokenId);
+      expect(owner.Substrate).to.be.equal(alice.address);
+    });
+
+    itSub('Fungible up to an approved amount', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
+      await helper.ft.mintTokens(alice, collectionId, 10n, testCase.account(bob));
+      const tokenId = await helper.ft.getLastTokenId(collectionId);
+      await (helper.ft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address});
+      const before = await helper.ft.getBalance(collectionId, {Substrate: alice.address});
+      await helper.ft.transferTokenFrom(charlie, collectionId, tokenId, testCase.account(bob), {Substrate: alice.address}, 1n);
+      const after = await helper.ft.getBalance(collectionId, {Substrate: alice.address});
+      expect(after - before).to.be.equal(BigInt(1));
+    });
+
+    itSub.ifWithPallets('ReFungible up to an approved amount', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(bob), pieces: 100n});
+      await (helper.rft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address});
+      const before = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});
+      await helper.rft.transferTokenFrom(charlie, collectionId, tokenId, testCase.account(bob), {Substrate: alice.address}, 1n);
+      const after = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});
+      expect(after - before).to.be.equal(BigInt(1));
+    });
   });
-});
 
-describe('Approved users can transferFrom up to approved amount:', () => {
-  let alice: IKeyringPair;
-  let bob: IKeyringPair;
-  let charlie: IKeyringPair;
+  describe(`[${testCase.method}] Approved users cannot use transferFrom to repeat transfers if approved amount was already transferred:`, () => {
+    let alice: IKeyringPair;
+    let bob: IKeyringPair;
+    let charlie: IKeyringPair;
+
+    before(async () => {
+      await usingPlaygrounds(async (helper, privateKey) => {
+        const donor = await privateKey({filename: __filename});
+        [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+      });
+    });
+
+    itSub('NFT', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(bob)});
+      await (helper.nft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address});
+      await helper.nft.transferTokenFrom(charlie, collectionId, tokenId, testCase.account(bob), {Substrate: alice.address});
+      const owner = await helper.nft.getTokenOwner(collectionId, tokenId);
+      expect(owner.Substrate).to.be.equal(alice.address);
+      const transferTokenFromTx = () => helper.nft.transferTokenFrom(charlie, collectionId, tokenId, testCase.account(bob), {Substrate: alice.address});
+      await expect(transferTokenFromTx()).to.be.rejected;
+    });
+
+    itSub('Fungible up to an approved amount', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
+      await helper.ft.mintTokens(alice, collectionId, 10n, testCase.account(bob));
+      const tokenId = await helper.ft.getLastTokenId(collectionId);
+      await (helper.ft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address});
+      const before = await helper.ft.getBalance(collectionId, {Substrate: alice.address});
+      await helper.ft.transferTokenFrom(charlie, collectionId, tokenId, testCase.account(bob), {Substrate: alice.address}, 1n);
+      const after = await helper.ft.getBalance(collectionId, {Substrate: alice.address});
+      expect(after - before).to.be.equal(BigInt(1));
+
+      const transferTokenFromTx = () => helper.ft.transferTokenFrom(charlie, collectionId, tokenId, testCase.account(bob), {Substrate: alice.address}, 1n);
+      await expect(transferTokenFromTx()).to.be.rejected;
+    });
 
-  before(async () => {
-    await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = await privateKey({filename: __filename});
-      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+    itSub.ifWithPallets('ReFungible up to an approved amount', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(bob), pieces: 100n});
+      await (helper.ft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address}, 100n);
+      const before = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});
+      await helper.rft.transferTokenFrom(charlie, collectionId, tokenId, testCase.account(bob), {Substrate: alice.address}, 100n);
+      const after = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});
+      expect(after - before).to.be.equal(BigInt(100));
+      const transferTokenFromTx = () => helper.rft.transferTokenFrom(charlie, collectionId, tokenId, testCase.account(bob), {Substrate: alice.address}, 100n);
+      await expect(transferTokenFromTx()).to.be.rejected;
     });
   });
 
-  itSub('NFT', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});
-    await helper.nft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});
-    await helper.nft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    const owner = await helper.nft.getTokenOwner(collectionId, tokenId);
-    expect(owner.Substrate).to.be.equal(alice.address);
+  describe(`[${testCase.method}] Approved amount decreases by the transferred amount:`, () => {
+    let alice: IKeyringPair;
+    let bob: IKeyringPair;
+    let charlie: IKeyringPair;
+    let dave: IKeyringPair;
+
+    before(async () => {
+      await usingPlaygrounds(async (helper, privateKey) => {
+        const donor = await privateKey({filename: __filename});
+        [alice, bob, charlie, dave] = await helper.arrange.createAccounts([100n, 100n, 100n, 100n], donor);
+      });
+    });
+
+    itSub('If a user B is approved to transfer 10 Fungible tokens from user A, they can transfer 2 tokens to user C, which will result in decreasing approval from 10 to 8. Then user B can transfer 8 tokens to user D.', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
+      await helper.ft.mintTokens(alice, collectionId, 10n, testCase.account(alice));
+      const tokenId = await helper.ft.getLastTokenId(collectionId);
+      await (helper.ft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address}, 10n);
+
+      const charlieBefore = await helper.ft.getBalance(collectionId, {Substrate: charlie.address});
+      await helper.ft.transferTokenFrom(bob, collectionId, tokenId, testCase.account(alice), {Substrate: charlie.address}, 2n);
+      const charlieAfter = await helper.ft.getBalance(collectionId, {Substrate: charlie.address});
+      expect(charlieAfter - charlieBefore).to.be.equal(BigInt(2));
+
+      const daveBefore = await helper.ft.getBalance(collectionId, {Substrate: dave.address});
+      await helper.ft.transferTokenFrom(bob, collectionId, tokenId, testCase.account(alice), {Substrate: dave.address}, 8n);
+      const daveAfter = await helper.ft.getBalance(collectionId, {Substrate: dave.address});
+      expect(daveAfter - daveBefore).to.be.equal(BigInt(8));
+    });
   });
 
-  itSub('Fungible up to an approved amount', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
-    await helper.ft.mintTokens(alice, collectionId, 10n, bob.address);
-    const tokenId = await helper.ft.getLastTokenId(collectionId);
-    await helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});
-    const before = await helper.ft.getBalance(collectionId, {Substrate: alice.address});
-    await helper.ft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 1n);
-    const after = await helper.ft.getBalance(collectionId, {Substrate: alice.address});
-    expect(after - before).to.be.equal(BigInt(1));
+  describe(`[${testCase.method}] User may clear the approvals to approving for 0 amount:`, () => {
+    let alice: IKeyringPair;
+    let bob: IKeyringPair;
+    let charlie: IKeyringPair;
+
+    before(async () => {
+      await usingPlaygrounds(async (helper, privateKey) => {
+        const donor = await privateKey({filename: __filename});
+        [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+      });
+    });
+
+    itSub('NFT', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(alice)});
+      await (helper.nft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address});
+      expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.true;
+      await (helper.nft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address}, 0n);
+      expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.false;
+      const transferTokenFromTx = () => helper.nft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: bob.address}, {Substrate: bob.address});
+      await expect(transferTokenFromTx()).to.be.rejected;
+    });
+
+    itSub('Fungible', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
+      await helper.ft.mintTokens(alice, collectionId, 10n, testCase.account(alice));
+      const tokenId = await helper.ft.getLastTokenId(collectionId);
+      await (helper.ft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address});
+      const amountBefore = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, testCase.account(alice));
+      expect(amountBefore).to.be.equal(BigInt(1));
+
+      await (helper.ft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address}, 0n);
+      const amountAfter = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, testCase.account(alice));
+      expect(amountAfter).to.be.equal(BigInt(0));
+
+      const transferTokenFromTx = () => helper.ft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: bob.address}, {Substrate: charlie.address}, 1n);
+      await expect(transferTokenFromTx()).to.be.rejected;
+    });
+
+    itSub.ifWithPallets('ReFungible', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(alice), pieces: 100n});
+      await (helper.rft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address});
+      const amountBefore = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, testCase.account(alice));
+      expect(amountBefore).to.be.equal(BigInt(1));
+
+      await (helper.rft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address}, 0n);
+      const amountAfter = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, testCase.account(alice));
+      expect(amountAfter).to.be.equal(BigInt(0));
+
+      const transferTokenFromTx = () => helper.rft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: bob.address}, {Substrate: charlie.address}, 100n);
+      await expect(transferTokenFromTx()).to.be.rejected;
+    });
   });
 
-  itSub.ifWithPallets('ReFungible up to an approved amount', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: bob.address, pieces: 100n});
-    await helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});
-    const before = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});
-    await helper.rft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 1n);
-    const after = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});
-    expect(after - before).to.be.equal(BigInt(1));
+  describe(`[${testCase.method}] User cannot approve for the amount greater than they own:`, () => {
+    let alice: IKeyringPair;
+    let bob: IKeyringPair;
+    let charlie: IKeyringPair;
+
+    before(async () => {
+      await usingPlaygrounds(async (helper, privateKey) => {
+        const donor = await privateKey({filename: __filename});
+        [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+      });
+    });
+
+    itSub('1 for NFT', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(bob)});
+      const result = (helper.nft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address}, 2n);
+      await expect(result).to.be.rejected;
+      expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: charlie.address})).to.be.false;
+    });
+
+    itSub('Fungible', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
+      await helper.ft.mintTokens(alice, collectionId, 10n, testCase.account(alice));
+      const tokenId = await helper.ft.getLastTokenId(collectionId);
+      const result = (helper.ft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address}, 11n);
+      await expect(result).to.be.rejected;
+    });
+
+    itSub.ifWithPallets('ReFungible', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(alice), pieces: 100n});
+      const result = (helper.rft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: bob.address}, 101n);
+      await expect(result).to.be.rejected;
+    });
   });
-});
 
-describe('Approved users cannot use transferFrom to repeat transfers if approved amount was already transferred:', () => {
-  let alice: IKeyringPair;
-  let bob: IKeyringPair;
-  let charlie: IKeyringPair;
+  describe(`[${testCase.method}] Integration Test approve(spender, collection_id, item_id, amount) with collection admin permissions:`, () => {
+    let alice: IKeyringPair;
+    let bob: IKeyringPair;
+    let charlie: IKeyringPair;
+
+    before(async () => {
+      await usingPlaygrounds(async (helper, privateKey) => {
+        const donor = await privateKey({filename: __filename});
+        [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+      });
+    });
 
-  before(async () => {
-    await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = await privateKey({filename: __filename});
-      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+    itSub('can be called by collection admin on non-owned item', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(alice)});
+      await helper.collection.addAdmin(alice, collectionId, {Substrate: bob.address});
+      const result = (helper.nft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: charlie.address});
+      await expect(result).to.be.rejected;
     });
   });
 
-  itSub('NFT', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});
-    await helper.nft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});
-    await helper.nft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    const owner = await helper.nft.getTokenOwner(collectionId, tokenId);
-    expect(owner.Substrate).to.be.equal(alice.address);
-    const transferTokenFromTx = () => helper.nft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    await expect(transferTokenFromTx()).to.be.rejected;
-  });
+  describe(`[${testCase.method}] Negative Integration Test approve(spender, collection_id, item_id, amount):`, () => {
+    let alice: IKeyringPair;
+    let bob: IKeyringPair;
+    let charlie: IKeyringPair;
 
-  itSub('Fungible up to an approved amount', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
-    await helper.ft.mintTokens(alice, collectionId, 10n, bob.address);
-    const tokenId = await helper.ft.getLastTokenId(collectionId);
-    await helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});
-    const before = await helper.ft.getBalance(collectionId, {Substrate: alice.address});
-    await helper.ft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 1n);
-    const after = await helper.ft.getBalance(collectionId, {Substrate: alice.address});
-    expect(after - before).to.be.equal(BigInt(1));
+    before(async () => {
+      await usingPlaygrounds(async (helper, privateKey) => {
+        const donor = await privateKey({filename: __filename});
+        [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+      });
+    });
 
-    const transferTokenFromTx = () => helper.ft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 1n);
-    await expect(transferTokenFromTx()).to.be.rejected;
-  });
+    itSub('[nft] Approve for a collection that does not exist', async ({helper}) => {
+      const collectionId = 1 << 32 - 1;
+      await expect((helper.nft as any)[testCase.method](bob, collectionId, 1, {Substrate: charlie.address})).to.be.rejected;
+    });
+
+    itSub('[fungible] Approve for a collection that does not exist', async ({helper}) => {
+      const collectionId = 1 << 32 - 1;
+      const approveTx = () => (helper.ft as any)[testCase.method](bob, collectionId, 1, {Substrate: charlie.address});
+      await expect(approveTx()).to.be.rejected;
+    });
 
-  itSub.ifWithPallets('ReFungible up to an approved amount', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: bob.address, pieces: 100n});
-    await helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address}, 100n);
-    const before = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});
-    await helper.rft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 100n);
-    const after = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});
-    expect(after - before).to.be.equal(BigInt(100));
-    const transferTokenFromTx = () => helper.rft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 100n);
-    await expect(transferTokenFromTx()).to.be.rejected;
-  });
-});
+    itSub.ifWithPallets('[refungible] Approve for a collection that does not exist', [Pallets.ReFungible], async ({helper}) => {
+      const collectionId = 1 << 32 - 1;
+      const approveTx = () => (helper.rft as any)[testCase.method](bob, collectionId, 1, {Substrate: charlie.address});
+      await expect(approveTx()).to.be.rejected;
+    });
 
-describe('Approved amount decreases by the transferred amount:', () => {
-  let alice: IKeyringPair;
-  let bob: IKeyringPair;
-  let charlie: IKeyringPair;
-  let dave: IKeyringPair;
+    itSub('[nft] Approve for a collection that was destroyed', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      await helper.nft.burn(alice, collectionId);
+      const approveTx = () => (helper.nft as any)[testCase.method](alice, collectionId, 1, {Substrate: bob.address});
+      await expect(approveTx()).to.be.rejected;
+    });
 
-  before(async () => {
-    await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = await privateKey({filename: __filename});
-      [alice, bob, charlie, dave] = await helper.arrange.createAccounts([100n, 100n, 100n, 100n], donor);
+    itSub('[fungible] Approve for a collection that was destroyed', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      await helper.ft.burn(alice, collectionId);
+      const approveTx = () => (helper.ft as any)[testCase.method](alice, collectionId, 1, {Substrate: bob.address});
+      await expect(approveTx()).to.be.rejected;
     });
-  });
 
-  itSub('If a user B is approved to transfer 10 Fungible tokens from user A, they can transfer 2 tokens to user C, which will result in decreasing approval from 10 to 8. Then user B can transfer 8 tokens to user D.', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
-    await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);
-    const tokenId = await helper.ft.getLastTokenId(collectionId);
-    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 10n);
+    itSub.ifWithPallets('[refungible] Approve for a collection that was destroyed', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      await helper.rft.burn(alice, collectionId);
+      const approveTx = () => (helper.rft as any)[testCase.method](alice, collectionId, 1, {Substrate: bob.address});
+      await expect(approveTx()).to.be.rejected;
+    });
 
-    const charlieBefore = await helper.ft.getBalance(collectionId, {Substrate: charlie.address});
-    await helper.ft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: alice.address}, {Substrate: charlie.address}, 2n);
-    const charlieAfter = await helper.ft.getBalance(collectionId, {Substrate: charlie.address});
-    expect(charlieAfter - charlieBefore).to.be.equal(BigInt(2));
+    itSub('[nft] Approve transfer of a token that does not exist', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const approveTx = () => (helper.nft as any)[testCase.method](alice, collectionId, 2, {Substrate: bob.address});
+      await expect(approveTx()).to.be.rejected;
+    });
 
-    const daveBefore = await helper.ft.getBalance(collectionId, {Substrate: dave.address});
-    await helper.ft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: alice.address}, {Substrate: dave.address}, 8n);
-    const daveAfter = await helper.ft.getBalance(collectionId, {Substrate: dave.address});
-    expect(daveAfter - daveBefore).to.be.equal(BigInt(8));
-  });
-});
+    itSub.ifWithPallets('[refungible] Approve transfer of a token that does not exist', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const approveTx = () => (helper.rft as any)[testCase.method](alice, collectionId, 2, {Substrate: bob.address});
+      await expect(approveTx()).to.be.rejected;
+    });
 
-describe('User may clear the approvals to approving for 0 amount:', () => {
-  let alice: IKeyringPair;
-  let bob: IKeyringPair;
-  let charlie: IKeyringPair;
+    itSub('[nft] Approve using the address that does not own the approved token', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(alice)});
+      const approveTx = () => (helper.nft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: alice.address});
+      await expect(approveTx()).to.be.rejected;
+    });
 
-  before(async () => {
-    await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = await privateKey({filename: __filename});
-      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+    itSub('[fungible] Approve using the address that does not own the approved token', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      await helper.ft.mintTokens(alice, collectionId, 10n, testCase.account(alice));
+      const tokenId = await helper.ft.getLastTokenId(collectionId);
+      const approveTx = () => (helper.ft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: alice.address});
+      await expect(approveTx()).to.be.rejected;
     });
-  });
 
-  itSub('NFT', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});
-    await helper.nft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});
-    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.true;
-    await helper.signTransaction(alice, helper.constructApiCall('api.tx.unique.approve', [{Substrate: bob.address}, collectionId, tokenId, 0]));
-    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.false;
-    const transferTokenFromTx = () => helper.nft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: bob.address}, {Substrate: bob.address});
-    await expect(transferTokenFromTx()).to.be.rejected;
-  });
+    itSub.ifWithPallets('[refungible] Approve using the address that does not own the approved token', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(alice), pieces: 100n});
+      const approveTx = () => (helper.rft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: alice.address});
+      await expect(approveTx()).to.be.rejected;
+    });
 
-  itSub('Fungible', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
-    await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);
-    const tokenId = await helper.ft.getLastTokenId(collectionId);
-    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});
-    const amountBefore = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    expect(amountBefore).to.be.equal(BigInt(1));
+    itSub.ifWithPallets('should fail if approved more ReFungibles than owned', [Pallets.ReFungible], async ({helper}) => {
+      const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});
+      await helper.rft.transferToken(alice, collectionId, tokenId, testCase.account(bob), 100n);
+      await (helper.rft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: alice.address}, 100n);
 
-    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 0n);
-    const amountAfter = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    expect(amountAfter).to.be.equal(BigInt(0));
+      const approveTx = () => (helper.rft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: alice.address}, 101n);
+      await expect(approveTx()).to.be.rejected;
+    });
 
-    const transferTokenFromTx = () => helper.ft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: bob.address}, {Substrate: charlie.address}, 1n);
-    await expect(transferTokenFromTx()).to.be.rejected;
-  });
+    itSub('should fail if approved more Fungibles than owned', async ({helper}) => {
+      const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);
+      const tokenId = await helper.ft.getLastTokenId(collectionId);
 
-  itSub.ifWithPallets('ReFungible', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});
-    await helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});
-    const amountBefore = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    expect(amountBefore).to.be.equal(BigInt(1));
+      await helper.ft.transferToken(alice, collectionId, tokenId, testCase.account(bob), 10n);
+      await (helper.ft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: alice.address}, 10n);
+      const approveTx = () => (helper.ft as any)[testCase.method](bob, collectionId, tokenId, {Substrate: alice.address}, 11n);
+      await expect(approveTx()).to.be.rejected;
+    });
 
-    await helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 0n);
-    const amountAfter = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});
-    expect(amountAfter).to.be.equal(BigInt(0));
+    itSub('fails when called by collection owner on non-owned item when OwnerCanTransfer == false', async ({helper}) => {
+      const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
+      const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: testCase.account(bob)});
+      await helper.collection.setLimits(alice, collectionId, {ownerCanTransfer: false});
 
-    const transferTokenFromTx = () => helper.rft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: bob.address}, {Substrate: charlie.address}, 100n);
-    await expect(transferTokenFromTx()).to.be.rejected;
+      const approveTx = () => (helper.nft as any)[testCase.method](alice, collectionId, tokenId, {Substrate: charlie.address});
+      await expect(approveTx()).to.be.rejected;
+    });
   });
 });
 
-describe('User cannot approve for the amount greater than they own:', () => {
+describe('Normal user can approve other users to be wallet operator:', () => {
   let alice: IKeyringPair;
   let bob: IKeyringPair;
-  let charlie: IKeyringPair;
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
       const donor = await privateKey({filename: __filename});
-      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+      [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
 
-  itSub('1 for NFT', async ({helper}) => {
+  itSub('[nft] Enable and disable approval', async ({helper}) => {
     const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});
-    const approveTx = () => helper.signTransaction(bob, helper.constructApiCall('api.tx.unique.approve', [{Substrate: charlie.address}, collectionId, tokenId, 2]));
-    await expect(approveTx()).to.be.rejected;
-    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: charlie.address})).to.be.false;
-  });
 
-  itSub('Fungible', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);
-    await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);
-    const tokenId = await helper.ft.getLastTokenId(collectionId);
-    const approveTx = () => helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 11n);
-    await expect(approveTx()).to.be.rejected;
+    const checkBeforeApproval = await helper.nft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+    expect(checkBeforeApproval).to.be.false;
+
+    await helper.nft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, true);
+    const checkAfterApproval = await helper.nft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+    expect(checkAfterApproval).to.be.true;
+
+    await helper.nft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, false);
+    const checkAfterDisapproval = await helper.nft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+    expect(checkAfterDisapproval).to.be.false;
   });
 
-  itSub.ifWithPallets('ReFungible', [Pallets.ReFungible], async ({helper}) => {
+  itSub.ifWithPallets('[rft] Enable and disable approval', [Pallets.ReFungible], async ({helper}) => {
     const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});
-    const approveTx = () => helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 101n);
-    await expect(approveTx()).to.be.rejected;
+
+    const checkBeforeApproval = await helper.rft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+    expect(checkBeforeApproval).to.be.false;
+
+    await helper.rft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, true);
+    const checkAfterApproval = await helper.rft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+    expect(checkAfterApproval).to.be.true;
+
+    await helper.rft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, false);
+    const checkAfterDisapproval = await helper.rft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+    expect(checkAfterDisapproval).to.be.false;
   });
 });
 
@@ -464,184 +649,5 @@
     await token.approve(dave, {Substrate: bob.address}, 50n);
     await expect(token.approve(dave, {Substrate: charlie.address}, 51n))
       .to.be.rejectedWith('this test would fail (since it is skipped), replace this expecting message with what would have been received');
-  });
-});
-
-describe('Integration Test approve(spender, collection_id, item_id, amount) with collection admin permissions:', () => {
-  let alice: IKeyringPair;
-  let bob: IKeyringPair;
-  let charlie: IKeyringPair;
-
-  before(async () => {
-    await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = await privateKey({filename: __filename});
-      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
-    });
-  });
-
-  itSub('can be called by collection admin on non-owned item', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});
-    await helper.collection.addAdmin(alice, collectionId, {Substrate: bob.address});
-    const approveTx = () => helper.nft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-});
-
-describe('Negative Integration Test approve(spender, collection_id, item_id, amount):', () => {
-  let alice: IKeyringPair;
-  let bob: IKeyringPair;
-  let charlie: IKeyringPair;
-
-  before(async () => {
-    await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = await privateKey({filename: __filename});
-      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
-    });
-  });
-
-  itSub('[nft] Approve for a collection that does not exist', async ({helper}) => {
-    const collectionId = 1 << 32 - 1;
-    const approveTx = () => helper.nft.approveToken(bob, collectionId, 1, {Substrate: charlie.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub('[fungible] Approve for a collection that does not exist', async ({helper}) => {
-    const collectionId = 1 << 32 - 1;
-    const approveTx = () => helper.ft.approveToken(bob, collectionId, 1, {Substrate: charlie.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub.ifWithPallets('[refungible] Approve for a collection that does not exist', [Pallets.ReFungible], async ({helper}) => {
-    const collectionId = 1 << 32 - 1;
-    const approveTx = () => helper.rft.approveToken(bob, collectionId, 1, {Substrate: charlie.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub('[nft] Approve for a collection that was destroyed', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    await helper.nft.burn(alice, collectionId);
-    const approveTx = () => helper.nft.approveToken(alice, collectionId, 1, {Substrate: bob.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub('[fungible] Approve for a collection that was destroyed', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    await helper.ft.burn(alice, collectionId);
-    const approveTx = () => helper.ft.approveToken(alice, collectionId, 1, {Substrate: bob.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub.ifWithPallets('[refungible] Approve for a collection that was destroyed', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    await helper.rft.burn(alice, collectionId);
-    const approveTx = () => helper.rft.approveToken(alice, collectionId, 1, {Substrate: bob.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub('[nft] Approve transfer of a token that does not exist', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const approveTx = () => helper.nft.approveToken(alice, collectionId, 2, {Substrate: bob.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub.ifWithPallets('[refungible] Approve transfer of a token that does not exist', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const approveTx = () => helper.rft.approveToken(alice, collectionId, 2, {Substrate: bob.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub('[nft] Approve using the address that does not own the approved token', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});
-    const approveTx = () => helper.nft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub('[fungible] Approve using the address that does not own the approved token', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);
-    const tokenId = await helper.ft.getLastTokenId(collectionId);
-    const approveTx = () => helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub.ifWithPallets('[refungible] Approve using the address that does not own the approved token', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});
-    const approveTx = () => helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub.ifWithPallets('should fail if approved more ReFungibles than owned', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});
-    await helper.rft.transferToken(alice, collectionId, tokenId, {Substrate: bob.address}, 100n);
-    await helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address}, 100n);
-
-    const approveTx = () => helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address}, 101n);
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub('should fail if approved more Fungibles than owned', async ({helper}) => {
-    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);
-    const tokenId = await helper.ft.getLastTokenId(collectionId);
-
-    await helper.ft.transferToken(alice, collectionId, tokenId, {Substrate: bob.address}, 10n);
-    await helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address}, 10n);
-    const approveTx = () => helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address}, 11n);
-    await expect(approveTx()).to.be.rejected;
-  });
-
-  itSub('fails when called by collection owner on non-owned item when OwnerCanTransfer == false', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});
-    await helper.collection.setLimits(alice, collectionId, {ownerCanTransfer: false});
-
-    const approveTx = () => helper.nft.approveToken(alice, collectionId, tokenId, {Substrate: charlie.address});
-    await expect(approveTx()).to.be.rejected;
-  });
-});
-
-describe('Normal user can approve other users to be wallet operator:', () => {
-  let alice: IKeyringPair;
-  let bob: IKeyringPair;
-
-  before(async () => {
-    await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = await privateKey({filename: __filename});
-      [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
-    });
-  });
-
-  itSub('[nft] Enable and disable approval', async ({helper}) => {
-    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-
-    const checkBeforeApproval = await helper.nft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
-    expect(checkBeforeApproval).to.be.false;
-
-    await helper.nft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, true);
-    const checkAfterApproval = await helper.nft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
-    expect(checkAfterApproval).to.be.true;
-
-    await helper.nft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, false);
-    const checkAfterDisapproval = await helper.nft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
-    expect(checkAfterDisapproval).to.be.false;
-  });
-
-  itSub.ifWithPallets('[rft] Enable and disable approval', [Pallets.ReFungible], async ({helper}) => {
-    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-
-    const checkBeforeApproval = await helper.rft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
-    expect(checkBeforeApproval).to.be.false;
-
-    await helper.rft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, true);
-    const checkAfterApproval = await helper.rft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
-    expect(checkAfterApproval).to.be.true;
-
-    await helper.rft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, false);
-    const checkAfterDisapproval = await helper.rft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
-    expect(checkAfterDisapproval).to.be.false;
   });
 });
modifiedtests/src/eth/api/ContractHelpers.soldiffbeforeafterboth
--- a/tests/src/eth/api/ContractHelpers.sol
+++ b/tests/src/eth/api/ContractHelpers.sol
@@ -183,9 +183,9 @@
 
 /// Ethereum representation of Optional value with CrossAddress.
 struct OptionCrossAddress {
-	/// TODO: field description
+	/// Whether or not this CrossAdress is valid and has meaning.
 	bool status;
-	/// TODO: field description
+	/// The underlying CrossAddress value. If the status is false, can be set to whatever.
 	CrossAddress value;
 }
 
modifiedtests/src/interfaces/augment-api-errors.tsdiffbeforeafterboth
--- a/tests/src/interfaces/augment-api-errors.ts
+++ b/tests/src/interfaces/augment-api-errors.ts
@@ -85,6 +85,10 @@
        **/
       AccountTokenLimitExceeded: AugmentedError<ApiType>;
       /**
+       * Only spending from eth mirror could be approved
+       **/
+      AddressIsNotEthMirror: AugmentedError<ApiType>;
+      /**
        * Can't transfer tokens to ethereum zero address
        **/
       AddressIsZero: AugmentedError<ApiType>;
modifiedtests/src/interfaces/augment-api-tx.tsdiffbeforeafterboth
--- a/tests/src/interfaces/augment-api-tx.ts
+++ b/tests/src/interfaces/augment-api-tx.ts
@@ -1214,6 +1214,25 @@
        **/
       approve: AugmentedSubmittable<(spender: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, collectionId: u32 | AnyNumber | Uint8Array, itemId: u32 | AnyNumber | Uint8Array, amount: u128 | AnyNumber | Uint8Array) => SubmittableExtrinsic<ApiType>, [PalletEvmAccountBasicCrossAccountIdRepr, u32, u32, u128]>;
       /**
+       * Allow a non-permissioned address to transfer or burn an item from owner's eth mirror.
+       * 
+       * # Permissions
+       * 
+       * * Collection owner
+       * * Collection admin
+       * * Current item owner
+       * 
+       * # Arguments
+       * 
+       * * `from`: Owner's account eth mirror
+       * * `to`: Account to be approved to make specific transactions on non-owned tokens.
+       * * `collection_id`: ID of the collection the item belongs to.
+       * * `item_id`: ID of the item transactions on which are now approved.
+       * * `amount`: Number of pieces of the item approved for a transaction (maximum of 1 for NFTs).
+       * Set to 0 to revoke the approval.
+       **/
+      approveFrom: AugmentedSubmittable<(from: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, to: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, collectionId: u32 | AnyNumber | Uint8Array, itemId: u32 | AnyNumber | Uint8Array, amount: u128 | AnyNumber | Uint8Array) => SubmittableExtrinsic<ApiType>, [PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr, u32, u32, u128]>;
+      /**
        * Destroy a token on behalf of the owner as a non-owner account.
        * 
        * See also: [`approve`][`Pallet::approve`].
modifiedtests/src/interfaces/default/types.tsdiffbeforeafterboth
--- a/tests/src/interfaces/default/types.ts
+++ b/tests/src/interfaces/default/types.ts
@@ -1216,6 +1216,7 @@
   readonly isTokenValueTooLow: boolean;
   readonly isApprovedValueTooLow: boolean;
   readonly isCantApproveMoreThanOwned: boolean;
+  readonly isAddressIsNotEthMirror: boolean;
   readonly isAddressIsZero: boolean;
   readonly isUnsupportedOperation: boolean;
   readonly isNotSufficientFounds: boolean;
@@ -1231,7 +1232,7 @@
   readonly isCollectionIsInternal: boolean;
   readonly isConfirmSponsorshipFail: boolean;
   readonly isUserIsNotCollectionAdmin: boolean;
-  readonly type: 'CollectionNotFound' | 'MustBeTokenOwner' | 'NoPermission' | 'CantDestroyNotEmptyCollection' | 'PublicMintingNotAllowed' | 'AddressNotInAllowlist' | 'CollectionNameLimitExceeded' | 'CollectionDescriptionLimitExceeded' | 'CollectionTokenPrefixLimitExceeded' | 'TotalCollectionsLimitExceeded' | 'CollectionAdminCountExceeded' | 'CollectionLimitBoundsExceeded' | 'OwnerPermissionsCantBeReverted' | 'TransferNotAllowed' | 'AccountTokenLimitExceeded' | 'CollectionTokenLimitExceeded' | 'MetadataFlagFrozen' | 'TokenNotFound' | 'TokenValueTooLow' | 'ApprovedValueTooLow' | 'CantApproveMoreThanOwned' | 'AddressIsZero' | 'UnsupportedOperation' | 'NotSufficientFounds' | 'UserIsNotAllowedToNest' | 'SourceCollectionIsNotAllowedToNest' | 'CollectionFieldSizeExceeded' | 'NoSpaceForProperty' | 'PropertyLimitReached' | 'PropertyKeyIsTooLong' | 'InvalidCharacterInPropertyKey' | 'EmptyPropertyKey' | 'CollectionIsExternal' | 'CollectionIsInternal' | 'ConfirmSponsorshipFail' | 'UserIsNotCollectionAdmin';
+  readonly type: 'CollectionNotFound' | 'MustBeTokenOwner' | 'NoPermission' | 'CantDestroyNotEmptyCollection' | 'PublicMintingNotAllowed' | 'AddressNotInAllowlist' | 'CollectionNameLimitExceeded' | 'CollectionDescriptionLimitExceeded' | 'CollectionTokenPrefixLimitExceeded' | 'TotalCollectionsLimitExceeded' | 'CollectionAdminCountExceeded' | 'CollectionLimitBoundsExceeded' | 'OwnerPermissionsCantBeReverted' | 'TransferNotAllowed' | 'AccountTokenLimitExceeded' | 'CollectionTokenLimitExceeded' | 'MetadataFlagFrozen' | 'TokenNotFound' | 'TokenValueTooLow' | 'ApprovedValueTooLow' | 'CantApproveMoreThanOwned' | 'AddressIsNotEthMirror' | 'AddressIsZero' | 'UnsupportedOperation' | 'NotSufficientFounds' | 'UserIsNotAllowedToNest' | 'SourceCollectionIsNotAllowedToNest' | 'CollectionFieldSizeExceeded' | 'NoSpaceForProperty' | 'PropertyLimitReached' | 'PropertyKeyIsTooLong' | 'InvalidCharacterInPropertyKey' | 'EmptyPropertyKey' | 'CollectionIsExternal' | 'CollectionIsInternal' | 'ConfirmSponsorshipFail' | 'UserIsNotCollectionAdmin';
 }
 
 /** @name PalletCommonEvent */
@@ -2306,6 +2307,14 @@
     readonly itemId: u32;
     readonly amount: u128;
   } & Struct;
+  readonly isApproveFrom: boolean;
+  readonly asApproveFrom: {
+    readonly from: PalletEvmAccountBasicCrossAccountIdRepr;
+    readonly to: PalletEvmAccountBasicCrossAccountIdRepr;
+    readonly collectionId: u32;
+    readonly itemId: u32;
+    readonly amount: u128;
+  } & Struct;
   readonly isTransferFrom: boolean;
   readonly asTransferFrom: {
     readonly from: PalletEvmAccountBasicCrossAccountIdRepr;
@@ -2345,7 +2354,7 @@
     readonly collectionId: u32;
     readonly itemId: u32;
   } & Struct;
-  readonly type: 'CreateCollection' | 'CreateCollectionEx' | 'DestroyCollection' | 'AddToAllowList' | 'RemoveFromAllowList' | 'ChangeCollectionOwner' | 'AddCollectionAdmin' | 'RemoveCollectionAdmin' | 'SetCollectionSponsor' | 'ConfirmSponsorship' | 'RemoveCollectionSponsor' | 'CreateItem' | 'CreateMultipleItems' | 'SetCollectionProperties' | 'DeleteCollectionProperties' | 'SetTokenProperties' | 'DeleteTokenProperties' | 'SetTokenPropertyPermissions' | 'CreateMultipleItemsEx' | 'SetTransfersEnabledFlag' | 'BurnItem' | 'BurnFrom' | 'Transfer' | 'Approve' | 'TransferFrom' | 'SetCollectionLimits' | 'SetCollectionPermissions' | 'Repartition' | 'SetAllowanceForAll' | 'ForceRepairCollection' | 'ForceRepairItem';
+  readonly type: 'CreateCollection' | 'CreateCollectionEx' | 'DestroyCollection' | 'AddToAllowList' | 'RemoveFromAllowList' | 'ChangeCollectionOwner' | 'AddCollectionAdmin' | 'RemoveCollectionAdmin' | 'SetCollectionSponsor' | 'ConfirmSponsorship' | 'RemoveCollectionSponsor' | 'CreateItem' | 'CreateMultipleItems' | 'SetCollectionProperties' | 'DeleteCollectionProperties' | 'SetTokenProperties' | 'DeleteTokenProperties' | 'SetTokenPropertyPermissions' | 'CreateMultipleItemsEx' | 'SetTransfersEnabledFlag' | 'BurnItem' | 'BurnFrom' | 'Transfer' | 'Approve' | 'ApproveFrom' | 'TransferFrom' | 'SetCollectionLimits' | 'SetCollectionPermissions' | 'Repartition' | 'SetAllowanceForAll' | 'ForceRepairCollection' | 'ForceRepairItem';
 }
 
 /** @name PalletUniqueError */
modifiedtests/src/interfaces/lookup.tsdiffbeforeafterboth
--- a/tests/src/interfaces/lookup.ts
+++ b/tests/src/interfaces/lookup.ts
@@ -2264,6 +2264,13 @@
         itemId: 'u32',
         amount: 'u128',
       },
+      approve_from: {
+        from: 'PalletEvmAccountBasicCrossAccountIdRepr',
+        to: 'PalletEvmAccountBasicCrossAccountIdRepr',
+        collectionId: 'u32',
+        itemId: 'u32',
+        amount: 'u128',
+      },
       transfer_from: {
         from: 'PalletEvmAccountBasicCrossAccountIdRepr',
         recipient: 'PalletEvmAccountBasicCrossAccountIdRepr',
@@ -3280,7 +3287,7 @@
    * Lookup423: pallet_common::pallet::Error<T>
    **/
   PalletCommonError: {
-    _enum: ['CollectionNotFound', 'MustBeTokenOwner', 'NoPermission', 'CantDestroyNotEmptyCollection', 'PublicMintingNotAllowed', 'AddressNotInAllowlist', 'CollectionNameLimitExceeded', 'CollectionDescriptionLimitExceeded', 'CollectionTokenPrefixLimitExceeded', 'TotalCollectionsLimitExceeded', 'CollectionAdminCountExceeded', 'CollectionLimitBoundsExceeded', 'OwnerPermissionsCantBeReverted', 'TransferNotAllowed', 'AccountTokenLimitExceeded', 'CollectionTokenLimitExceeded', 'MetadataFlagFrozen', 'TokenNotFound', 'TokenValueTooLow', 'ApprovedValueTooLow', 'CantApproveMoreThanOwned', 'AddressIsZero', 'UnsupportedOperation', 'NotSufficientFounds', 'UserIsNotAllowedToNest', 'SourceCollectionIsNotAllowedToNest', 'CollectionFieldSizeExceeded', 'NoSpaceForProperty', 'PropertyLimitReached', 'PropertyKeyIsTooLong', 'InvalidCharacterInPropertyKey', 'EmptyPropertyKey', 'CollectionIsExternal', 'CollectionIsInternal', 'ConfirmSponsorshipFail', 'UserIsNotCollectionAdmin']
+    _enum: ['CollectionNotFound', 'MustBeTokenOwner', 'NoPermission', 'CantDestroyNotEmptyCollection', 'PublicMintingNotAllowed', 'AddressNotInAllowlist', 'CollectionNameLimitExceeded', 'CollectionDescriptionLimitExceeded', 'CollectionTokenPrefixLimitExceeded', 'TotalCollectionsLimitExceeded', 'CollectionAdminCountExceeded', 'CollectionLimitBoundsExceeded', 'OwnerPermissionsCantBeReverted', 'TransferNotAllowed', 'AccountTokenLimitExceeded', 'CollectionTokenLimitExceeded', 'MetadataFlagFrozen', 'TokenNotFound', 'TokenValueTooLow', 'ApprovedValueTooLow', 'CantApproveMoreThanOwned', 'AddressIsNotEthMirror', 'AddressIsZero', 'UnsupportedOperation', 'NotSufficientFounds', 'UserIsNotAllowedToNest', 'SourceCollectionIsNotAllowedToNest', 'CollectionFieldSizeExceeded', 'NoSpaceForProperty', 'PropertyLimitReached', 'PropertyKeyIsTooLong', 'InvalidCharacterInPropertyKey', 'EmptyPropertyKey', 'CollectionIsExternal', 'CollectionIsInternal', 'ConfirmSponsorshipFail', 'UserIsNotCollectionAdmin']
   },
   /**
    * Lookup425: pallet_fungible::pallet::Error<T>
modifiedtests/src/interfaces/types-lookup.tsdiffbeforeafterboth
--- a/tests/src/interfaces/types-lookup.ts
+++ b/tests/src/interfaces/types-lookup.ts
@@ -2493,6 +2493,14 @@
       readonly itemId: u32;
       readonly amount: u128;
     } & Struct;
+    readonly isApproveFrom: boolean;
+    readonly asApproveFrom: {
+      readonly from: PalletEvmAccountBasicCrossAccountIdRepr;
+      readonly to: PalletEvmAccountBasicCrossAccountIdRepr;
+      readonly collectionId: u32;
+      readonly itemId: u32;
+      readonly amount: u128;
+    } & Struct;
     readonly isTransferFrom: boolean;
     readonly asTransferFrom: {
       readonly from: PalletEvmAccountBasicCrossAccountIdRepr;
@@ -2532,7 +2540,7 @@
       readonly collectionId: u32;
       readonly itemId: u32;
     } & Struct;
-    readonly type: 'CreateCollection' | 'CreateCollectionEx' | 'DestroyCollection' | 'AddToAllowList' | 'RemoveFromAllowList' | 'ChangeCollectionOwner' | 'AddCollectionAdmin' | 'RemoveCollectionAdmin' | 'SetCollectionSponsor' | 'ConfirmSponsorship' | 'RemoveCollectionSponsor' | 'CreateItem' | 'CreateMultipleItems' | 'SetCollectionProperties' | 'DeleteCollectionProperties' | 'SetTokenProperties' | 'DeleteTokenProperties' | 'SetTokenPropertyPermissions' | 'CreateMultipleItemsEx' | 'SetTransfersEnabledFlag' | 'BurnItem' | 'BurnFrom' | 'Transfer' | 'Approve' | 'TransferFrom' | 'SetCollectionLimits' | 'SetCollectionPermissions' | 'Repartition' | 'SetAllowanceForAll' | 'ForceRepairCollection' | 'ForceRepairItem';
+    readonly type: 'CreateCollection' | 'CreateCollectionEx' | 'DestroyCollection' | 'AddToAllowList' | 'RemoveFromAllowList' | 'ChangeCollectionOwner' | 'AddCollectionAdmin' | 'RemoveCollectionAdmin' | 'SetCollectionSponsor' | 'ConfirmSponsorship' | 'RemoveCollectionSponsor' | 'CreateItem' | 'CreateMultipleItems' | 'SetCollectionProperties' | 'DeleteCollectionProperties' | 'SetTokenProperties' | 'DeleteTokenProperties' | 'SetTokenPropertyPermissions' | 'CreateMultipleItemsEx' | 'SetTransfersEnabledFlag' | 'BurnItem' | 'BurnFrom' | 'Transfer' | 'Approve' | 'ApproveFrom' | 'TransferFrom' | 'SetCollectionLimits' | 'SetCollectionPermissions' | 'Repartition' | 'SetAllowanceForAll' | 'ForceRepairCollection' | 'ForceRepairItem';
   }
 
   /** @name UpDataStructsCollectionMode (236) */
@@ -3564,6 +3572,7 @@
     readonly isTokenValueTooLow: boolean;
     readonly isApprovedValueTooLow: boolean;
     readonly isCantApproveMoreThanOwned: boolean;
+    readonly isAddressIsNotEthMirror: boolean;
     readonly isAddressIsZero: boolean;
     readonly isUnsupportedOperation: boolean;
     readonly isNotSufficientFounds: boolean;
@@ -3579,7 +3588,7 @@
     readonly isCollectionIsInternal: boolean;
     readonly isConfirmSponsorshipFail: boolean;
     readonly isUserIsNotCollectionAdmin: boolean;
-    readonly type: 'CollectionNotFound' | 'MustBeTokenOwner' | 'NoPermission' | 'CantDestroyNotEmptyCollection' | 'PublicMintingNotAllowed' | 'AddressNotInAllowlist' | 'CollectionNameLimitExceeded' | 'CollectionDescriptionLimitExceeded' | 'CollectionTokenPrefixLimitExceeded' | 'TotalCollectionsLimitExceeded' | 'CollectionAdminCountExceeded' | 'CollectionLimitBoundsExceeded' | 'OwnerPermissionsCantBeReverted' | 'TransferNotAllowed' | 'AccountTokenLimitExceeded' | 'CollectionTokenLimitExceeded' | 'MetadataFlagFrozen' | 'TokenNotFound' | 'TokenValueTooLow' | 'ApprovedValueTooLow' | 'CantApproveMoreThanOwned' | 'AddressIsZero' | 'UnsupportedOperation' | 'NotSufficientFounds' | 'UserIsNotAllowedToNest' | 'SourceCollectionIsNotAllowedToNest' | 'CollectionFieldSizeExceeded' | 'NoSpaceForProperty' | 'PropertyLimitReached' | 'PropertyKeyIsTooLong' | 'InvalidCharacterInPropertyKey' | 'EmptyPropertyKey' | 'CollectionIsExternal' | 'CollectionIsInternal' | 'ConfirmSponsorshipFail' | 'UserIsNotCollectionAdmin';
+    readonly type: 'CollectionNotFound' | 'MustBeTokenOwner' | 'NoPermission' | 'CantDestroyNotEmptyCollection' | 'PublicMintingNotAllowed' | 'AddressNotInAllowlist' | 'CollectionNameLimitExceeded' | 'CollectionDescriptionLimitExceeded' | 'CollectionTokenPrefixLimitExceeded' | 'TotalCollectionsLimitExceeded' | 'CollectionAdminCountExceeded' | 'CollectionLimitBoundsExceeded' | 'OwnerPermissionsCantBeReverted' | 'TransferNotAllowed' | 'AccountTokenLimitExceeded' | 'CollectionTokenLimitExceeded' | 'MetadataFlagFrozen' | 'TokenNotFound' | 'TokenValueTooLow' | 'ApprovedValueTooLow' | 'CantApproveMoreThanOwned' | 'AddressIsNotEthMirror' | 'AddressIsZero' | 'UnsupportedOperation' | 'NotSufficientFounds' | 'UserIsNotAllowedToNest' | 'SourceCollectionIsNotAllowedToNest' | 'CollectionFieldSizeExceeded' | 'NoSpaceForProperty' | 'PropertyLimitReached' | 'PropertyKeyIsTooLong' | 'InvalidCharacterInPropertyKey' | 'EmptyPropertyKey' | 'CollectionIsExternal' | 'CollectionIsInternal' | 'ConfirmSponsorshipFail' | 'UserIsNotCollectionAdmin';
   }
 
   /** @name PalletFungibleError (425) */
modifiedtests/src/util/playgrounds/unique.tsdiffbeforeafterboth
--- a/tests/src/util/playgrounds/unique.ts
+++ b/tests/src/util/playgrounds/unique.ts
@@ -633,6 +633,10 @@
     let call = this.getApi() as any;
     for(const part of apiCall.slice(4).split('.')) {
       call = call[part];
+      if (!call) {
+        const advice = part.includes('_') ? ' Looks like it needs to be converted to camel case.' : '';
+        throw Error(`Function ${part} of api call ${apiCall} not found.${advice}`);
+      }
     }
     return call(...params);
   }
@@ -1259,6 +1263,42 @@
   }
 
   /**
+   * Set, change, or remove approved address to transfer the ownership of the NFT from eth mirror.
+   *
+   * @param signer keyring of signer
+   * @param collectionId ID of collection
+   * @param tokenId ID of token
+   * @param fromAddressObj Signer's Ethereum address containing her tokens
+   * @param toAddressObj Substrate or Ethereum address which gets approved use of the signer's tokens
+   * @param amount amount of token to be approved. For NFT must be set to 1n
+   * @returns ```true``` if extrinsic success, otherwise ```false```
+   */
+  async approveTokenFrom(signer: IKeyringPair, collectionId: number, tokenId: number, fromAddressObj: ICrossAccountId, toAddressObj: ICrossAccountId, amount=1n) {
+    const approveResult = await this.helper.executeExtrinsic(
+      signer,
+      'api.tx.unique.approveFrom', [fromAddressObj, toAddressObj, collectionId, tokenId, amount],
+      true, // `Unable to approve token for ${label}`,
+    );
+
+    return this.helper.util.findCollectionInEvents(approveResult.result.events, collectionId, 'common', 'Approved');
+  }
+
+  /**
+   * Set, change, or remove approved address to transfer the ownership of the NFT from eth mirror.
+   *
+   * @param signer keyring of signer
+   * @param collectionId ID of collection
+   * @param tokenId ID of token
+   * @param toAddressObj Substrate or Ethereum address which gets approved use of the signer's tokens
+   * @param amount amount of token to be approved. For NFT must be set to 1n
+   * @returns ```true``` if extrinsic success, otherwise ```false```
+   */
+  async approveTokenFromEth(signer: IKeyringPair, collectionId: number, tokenId: number, toAddressObj: ICrossAccountId, amount=1n) {
+    const ethMirror = CrossAccountId.fromKeyring(signer).toEthereum();
+    return await this.approveTokenFrom(signer, collectionId, tokenId, ethMirror, toAddressObj, amount);
+  }
+
+  /**
    * Get the amount of token pieces approved to transfer or burn. Normally 0.
    *
    * @param collectionId ID of collection
@@ -1756,8 +1796,8 @@
    * @example approveToken(aliceKeyring, 10, 5, {Substrate: "5DyN4Y92vZCjv38fg..."})
    * @returns ```true``` if extrinsic success, otherwise ```false```
    */
-  approveToken(signer: IKeyringPair, collectionId: number, tokenId: number, toAddressObj: ICrossAccountId) {
-    return super.approveToken(signer, collectionId, tokenId, toAddressObj, 1n);
+  approveToken(signer: IKeyringPair, collectionId: number, tokenId: number, toAddressObj: ICrossAccountId, amount=1n) {
+    return super.approveToken(signer, collectionId, tokenId, toAddressObj, amount);
   }
 }