git.delta.rocks / unique-network / refs/commits / 3db55eb8a3c0

difftreelog

feat nest on create/transfer

Yaroslav Bolyukin2022-04-07parent: #b69837d.patch.diff
in: master

12 files changed

modifiedpallets/common/src/lib.rsdiffbeforeafterboth
--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -723,17 +723,20 @@
 		sender: T::CrossAccountId,
 		to: T::CrossAccountId,
 		data: CreateItemData,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo;
 	fn create_multiple_items(
 		&self,
 		sender: T::CrossAccountId,
 		to: T::CrossAccountId,
 		data: Vec<CreateItemData>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo;
 	fn create_multiple_items_ex(
 		&self,
 		sender: T::CrossAccountId,
 		data: CreateItemExData<T::CrossAccountId>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo;
 	fn burn_item(
 		&self,
@@ -748,6 +751,7 @@
 		to: T::CrossAccountId,
 		token: TokenId,
 		amount: u128,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo;
 	fn approve(
 		&self,
@@ -781,11 +785,12 @@
 		data: BoundedVec<u8, CustomDataLimit>,
 	) -> DispatchResultWithPostInfo;
 
-	fn nest_token(
+	fn check_nesting(
 		&self,
 		sender: T::CrossAccountId,
-		from: (CollectionId, TokenId),
+		from: CollectionId,
 		under: TokenId,
+		budget: &dyn Budget,
 	) -> DispatchResult;
 
 	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;
modifiedpallets/evm-coder-substrate/src/lib.rsdiffbeforeafterboth
--- a/pallets/evm-coder-substrate/src/lib.rs
+++ b/pallets/evm-coder-substrate/src/lib.rs
@@ -55,7 +55,6 @@
 
 	use frame_system::ensure_signed;
 	pub use frame_support::dispatch::DispatchResult;
-	use frame_support::{pallet_prelude::*, traits::PalletInfo};
 	use frame_system::pallet_prelude::*;
 
 	/// DispatchError is opaque, but we need to somehow extract correct error in case of OutOfGas failure
modifiedpallets/fungible/src/common.rsdiffbeforeafterboth
--- a/pallets/fungible/src/common.rs
+++ b/pallets/fungible/src/common.rs
@@ -17,7 +17,7 @@
 use core::marker::PhantomData;
 
 use frame_support::{dispatch::DispatchResultWithPostInfo, ensure, fail, weights::Weight, BoundedVec};
-use up_data_structs::{TokenId, CreateItemExData, budget::Budget};
+use up_data_structs::{TokenId, CollectionId, CreateItemExData, budget::Budget};
 use pallet_common::{CommonCollectionOperations, CommonWeightInfo, with_weight};
 use sp_runtime::ArithmeticError;
 use sp_std::{vec::Vec, vec};
@@ -78,10 +78,11 @@
 		sender: T::CrossAccountId,
 		to: T::CrossAccountId,
 		data: up_data_structs::CreateItemData,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		match data {
 			up_data_structs::CreateItemData::Fungible(data) => with_weight(
-				<Pallet<T>>::create_item(self, &sender, (to, data.value)),
+				<Pallet<T>>::create_item(self, &sender, (to, data.value), nesting_budget),
 				<CommonWeights<T>>::create_item(),
 			),
 			_ => fail!(<Error<T>>::NotFungibleDataUsedToMintFungibleCollectionToken),
@@ -93,6 +94,7 @@
 		sender: T::CrossAccountId,
 		to: T::CrossAccountId,
 		data: Vec<up_data_structs::CreateItemData>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		let mut sum: u128 = 0;
 		for data in data {
@@ -107,7 +109,7 @@
 		}
 
 		with_weight(
-			<Pallet<T>>::create_item(self, &sender, (to, sum)),
+			<Pallet<T>>::create_item(self, &sender, (to, sum), nesting_budget),
 			<CommonWeights<T>>::create_item(),
 		)
 	}
@@ -116,6 +118,7 @@
 		&self,
 		sender: <T>::CrossAccountId,
 		data: up_data_structs::CreateItemExData<<T>::CrossAccountId>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		let weight = <CommonWeights<T>>::create_multiple_items_ex(&data);
 		let data = match data {
@@ -124,7 +127,7 @@
 		};
 
 		with_weight(
-			<Pallet<T>>::create_multiple_items(self, &sender, data.into_inner()),
+			<Pallet<T>>::create_multiple_items(self, &sender, data.into_inner(), nesting_budget),
 			weight,
 		)
 	}
@@ -152,6 +155,7 @@
 		to: T::CrossAccountId,
 		token: TokenId,
 		amount: u128,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		ensure!(
 			token == TokenId::default(),
@@ -159,7 +163,7 @@
 		);
 
 		with_weight(
-			<Pallet<T>>::transfer(self, &from, &to, amount),
+			<Pallet<T>>::transfer(self, &from, &to, amount, nesting_budget),
 			<CommonWeights<T>>::transfer(),
 		)
 	}
@@ -230,11 +234,12 @@
 		fail!(<Error<T>>::FungibleItemsDontHaveData)
 	}
 
-	fn nest_token(
+	fn check_nesting(
 		&self,
 		_sender: <T>::CrossAccountId,
-		_from: (up_data_structs::CollectionId, TokenId),
+		_from: CollectionId,
 		_under: TokenId,
+		_budget: &dyn Budget,
 	) -> sp_runtime::DispatchResult {
 		fail!(<Error<T>>::FungibleDisallowsNesting)
 	}
modifiedpallets/fungible/src/erc.rsdiffbeforeafterboth
--- a/pallets/fungible/src/erc.rs
+++ b/pallets/fungible/src/erc.rs
@@ -81,8 +81,11 @@
 		let caller = T::CrossAccountId::from_eth(caller);
 		let to = T::CrossAccountId::from_eth(to);
 		let amount = amount.try_into().map_err(|_| "amount overflow")?;
+		let budget = self
+			.recorder
+			.weight_calls_budget(<StructureWeight<T>>::find_parent());
 
-		<Pallet<T>>::transfer(self, &caller, &to, amount).map_err(|_| "transfer error")?;
+		<Pallet<T>>::transfer(self, &caller, &to, amount, &budget).map_err(|_| "transfer error")?;
 		Ok(true)
 	}
 	#[weight(<SelfWeightOf<T>>::transfer_from())]
modifiedpallets/fungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/fungible/src/lib.rs
+++ b/pallets/fungible/src/lib.rs
@@ -193,6 +193,7 @@
 		from: &T::CrossAccountId,
 		to: &T::CrossAccountId,
 		amount: u128,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResult {
 		ensure!(
 			collection.limits.transfers_enabled(),
@@ -222,12 +223,12 @@
 			let handle = <CollectionHandle<T>>::try_get(target.0)?;
 			let dispatch = T::CollectionDispatch::dispatch(handle);
 			let dispatch = dispatch.as_dyn();
-
-			// =========
 
-			dispatch.nest_token(from.clone(), (collection.id, TokenId::default()), target.1)?;
+			dispatch.check_nesting(from.clone(), collection.id, target.1, nesting_budget)?;
 		}
 
+		// =========
+
 		if let Some(balance_to) = balance_to {
 			// from != to
 			if balance_from == 0 {
@@ -257,6 +258,7 @@
 		collection: &FungibleHandle<T>,
 		sender: &T::CrossAccountId,
 		data: BTreeMap<T::CrossAccountId, u128>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResult {
 		if !collection.is_owner_or_admin(sender) {
 			ensure!(
@@ -285,6 +287,16 @@
 				.ok_or(ArithmeticError::Overflow)?;
 		}
 
+		for (to, _) in balances.iter() {
+			if let Some(target) = T::CrossTokenAddressMapping::address_to_token(to) {
+				let handle = <CollectionHandle<T>>::try_get(target.0)?;
+				let dispatch = T::CollectionDispatch::dispatch(handle);
+				let dispatch = dispatch.as_dyn();
+
+				dispatch.check_nesting(sender.clone(), collection.id, target.1, nesting_budget)?;
+			}
+		}
+
 		// =========
 
 		<TotalSupply<T>>::insert(collection.id, total_supply);
@@ -407,7 +419,7 @@
 
 		// =========
 
-		Self::transfer(collection, from, to, amount)?;
+		Self::transfer(collection, from, to, amount, nesting_budget)?;
 		if let Some(allowance) = allowance {
 			Self::set_allowance_unchecked(collection, from, spender, allowance);
 		}
@@ -437,7 +449,13 @@
 		collection: &FungibleHandle<T>,
 		sender: &T::CrossAccountId,
 		data: CreateItemData<T>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResult {
-		Self::create_multiple_items(collection, sender, [(data.0, data.1)].into_iter().collect())
+		Self::create_multiple_items(
+			collection,
+			sender,
+			[(data.0, data.1)].into_iter().collect(),
+			nesting_budget,
+		)
 	}
 }
modifiedpallets/nonfungible/src/common.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/common.rs
+++ b/pallets/nonfungible/src/common.rs
@@ -89,9 +89,15 @@
 		sender: T::CrossAccountId,
 		to: T::CrossAccountId,
 		data: up_data_structs::CreateItemData,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		with_weight(
-			<Pallet<T>>::create_item(self, &sender, map_create_data::<T>(data, &to)?),
+			<Pallet<T>>::create_item(
+				self,
+				&sender,
+				map_create_data::<T>(data, &to)?,
+				nesting_budget,
+			),
 			<CommonWeights<T>>::create_item(),
 		)
 	}
@@ -101,6 +107,7 @@
 		sender: T::CrossAccountId,
 		to: T::CrossAccountId,
 		data: Vec<up_data_structs::CreateItemData>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		let data = data
 			.into_iter()
@@ -109,7 +116,7 @@
 
 		let amount = data.len();
 		with_weight(
-			<Pallet<T>>::create_multiple_items(self, &sender, data),
+			<Pallet<T>>::create_multiple_items(self, &sender, data, nesting_budget),
 			<CommonWeights<T>>::create_multiple_items(amount as u32),
 		)
 	}
@@ -118,6 +125,7 @@
 		&self,
 		sender: <T>::CrossAccountId,
 		data: up_data_structs::CreateItemExData<<T>::CrossAccountId>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		let weight = <CommonWeights<T>>::create_multiple_items_ex(&data);
 		let data = match data {
@@ -126,7 +134,7 @@
 		};
 
 		with_weight(
-			<Pallet<T>>::create_multiple_items(self, &sender, data.into_inner()),
+			<Pallet<T>>::create_multiple_items(self, &sender, data.into_inner(), nesting_budget),
 			weight,
 		)
 	}
@@ -154,11 +162,12 @@
 		to: T::CrossAccountId,
 		token: TokenId,
 		amount: u128,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		ensure!(amount <= 1, <Error<T>>::NonfungibleItemsHaveNoAmount);
 		if amount == 1 {
 			with_weight(
-				<Pallet<T>>::transfer(self, &from, &to, token),
+				<Pallet<T>>::transfer(self, &from, &to, token, nesting_budget),
 				<CommonWeights<T>>::transfer(),
 			)
 		} else {
@@ -239,13 +248,14 @@
 		)
 	}
 
-	fn nest_token(
+	fn check_nesting(
 		&self,
 		sender: T::CrossAccountId,
-		(from, _): (CollectionId, TokenId),
+		from: CollectionId,
 		under: TokenId,
+		budget: &dyn Budget,
 	) -> sp_runtime::DispatchResult {
-		<Pallet<T>>::nest_token(self, sender, from, under)
+		<Pallet<T>>::check_nesting(self, sender, from, under, budget)
 	}
 
 	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId> {
modifiedpallets/nonfungible/src/erc.rsdiffbeforeafterboth
before · pallets/nonfungible/src/erc.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/>.1617extern crate alloc;18use core::{19	char::{REPLACEMENT_CHARACTER, decode_utf16},20	convert::TryInto,21};22use evm_coder::{ToLog, execution::*, generate_stubgen, solidity, solidity_interface, types::*, weight};23use frame_support::BoundedVec;24use up_data_structs::{TokenId, SchemaVersion};25use pallet_evm_coder_substrate::dispatch_to_evm;26use sp_core::{H160, U256};27use sp_std::{vec::Vec, vec};28use pallet_common::{29	erc::{CommonEvmHandler, PrecompileResult},30};31use pallet_evm::account::CrossAccountId;32use pallet_evm_coder_substrate::call;33use pallet_structure::{SelfWeightOf as StructureWeight, weights::WeightInfo as _};3435use crate::{36	AccountBalance, Config, CreateItemData, NonfungibleHandle, Pallet, TokenData, TokensMinted,37	SelfWeightOf, weights::WeightInfo,38};3940fn error_unsupported_schema_version() -> Error {41	alloc::format!(42		"Unsupported schema version! Support only {:?}",43		SchemaVersion::ImageURL44	)45	.as_str()46	.into()47}4849#[derive(ToLog)]50pub enum ERC721Events {51	Transfer {52		#[indexed]53		from: address,54		#[indexed]55		to: address,56		#[indexed]57		token_id: uint256,58	},59	Approval {60		#[indexed]61		owner: address,62		#[indexed]63		approved: address,64		#[indexed]65		token_id: uint256,66	},67	#[allow(dead_code)]68	ApprovalForAll {69		#[indexed]70		owner: address,71		#[indexed]72		operator: address,73		approved: bool,74	},75}7677#[derive(ToLog)]78pub enum ERC721MintableEvents {79	#[allow(dead_code)]80	MintingFinished {},81}8283#[solidity_interface(name = "ERC721Metadata")]84impl<T: Config> NonfungibleHandle<T> {85	fn name(&self) -> Result<string> {86		Ok(decode_utf16(self.name.iter().copied())87			.map(|r| r.unwrap_or(REPLACEMENT_CHARACTER))88			.collect::<string>())89	}9091	fn symbol(&self) -> Result<string> {92		Ok(string::from_utf8_lossy(&self.token_prefix).into())93	}9495	/// Returns token's const_metadata96	#[solidity(rename_selector = "tokenURI")]97	fn token_uri(&self, token_id: uint256) -> Result<string> {98		if !matches!(self.schema_version, SchemaVersion::ImageURL) {99			return Err(error_unsupported_schema_version());100		}101102		self.consume_store_reads(1)?;103		let token_id: u32 = token_id.try_into().map_err(|_| "token id overflow")?;104		Ok(string::from_utf8_lossy(105			&<TokenData<T>>::get((self.id, token_id))106				.ok_or("token not found")?107				.const_data,108		)109		.into())110	}111}112113#[solidity_interface(name = "ERC721Enumerable")]114impl<T: Config> NonfungibleHandle<T> {115	fn token_by_index(&self, index: uint256) -> Result<uint256> {116		Ok(index)117	}118119	/// Not implemented120	fn token_of_owner_by_index(&self, _owner: address, _index: uint256) -> Result<uint256> {121		// TODO: Not implemetable122		Err("not implemented".into())123	}124125	fn total_supply(&self) -> Result<uint256> {126		self.consume_store_reads(1)?;127		Ok(<Pallet<T>>::total_supply(self).into())128	}129}130131#[solidity_interface(name = "ERC721", events(ERC721Events))]132impl<T: Config> NonfungibleHandle<T> {133	fn balance_of(&self, owner: address) -> Result<uint256> {134		self.consume_store_reads(1)?;135		let owner = T::CrossAccountId::from_eth(owner);136		let balance = <AccountBalance<T>>::get((self.id, owner));137		Ok(balance.into())138	}139	fn owner_of(&self, token_id: uint256) -> Result<address> {140		self.consume_store_reads(1)?;141		let token: TokenId = token_id.try_into()?;142		Ok(*<TokenData<T>>::get((self.id, token))143			.ok_or("token not found")?144			.owner145			.as_eth())146	}147	/// Not implemented148	fn safe_transfer_from_with_data(149		&mut self,150		_from: address,151		_to: address,152		_token_id: uint256,153		_data: bytes,154		_value: value,155	) -> Result<void> {156		// TODO: Not implemetable157		Err("not implemented".into())158	}159	/// Not implemented160	fn safe_transfer_from(161		&mut self,162		_from: address,163		_to: address,164		_token_id: uint256,165		_value: value,166	) -> Result<void> {167		// TODO: Not implemetable168		Err("not implemented".into())169	}170171	#[weight(<SelfWeightOf<T>>::transfer_from())]172	fn transfer_from(173		&mut self,174		caller: caller,175		from: address,176		to: address,177		token_id: uint256,178		_value: value,179	) -> Result<void> {180		let caller = T::CrossAccountId::from_eth(caller);181		let from = T::CrossAccountId::from_eth(from);182		let to = T::CrossAccountId::from_eth(to);183		let token = token_id.try_into()?;184		let budget = self185			.recorder186			.weight_calls_budget(<StructureWeight<T>>::find_parent());187188		<Pallet<T>>::transfer_from(self, &caller, &from, &to, token, &budget)189			.map_err(dispatch_to_evm::<T>)?;190		Ok(())191	}192193	#[weight(<SelfWeightOf<T>>::approve())]194	fn approve(195		&mut self,196		caller: caller,197		approved: address,198		token_id: uint256,199		_value: value,200	) -> Result<void> {201		let caller = T::CrossAccountId::from_eth(caller);202		let approved = T::CrossAccountId::from_eth(approved);203		let token = token_id.try_into()?;204205		<Pallet<T>>::set_allowance(self, &caller, token, Some(&approved))206			.map_err(dispatch_to_evm::<T>)?;207		Ok(())208	}209210	/// Not implemented211	fn set_approval_for_all(212		&mut self,213		_caller: caller,214		_operator: address,215		_approved: bool,216	) -> Result<void> {217		// TODO: Not implemetable218		Err("not implemented".into())219	}220221	/// Not implemented222	fn get_approved(&self, _token_id: uint256) -> Result<address> {223		// TODO: Not implemetable224		Err("not implemented".into())225	}226227	/// Not implemented228	fn is_approved_for_all(&self, _owner: address, _operator: address) -> Result<address> {229		// TODO: Not implemetable230		Err("not implemented".into())231	}232}233234#[solidity_interface(name = "ERC721Burnable")]235impl<T: Config> NonfungibleHandle<T> {236	#[weight(<SelfWeightOf<T>>::burn_item())]237	fn burn(&mut self, caller: caller, token_id: uint256) -> Result<void> {238		let caller = T::CrossAccountId::from_eth(caller);239		let token = token_id.try_into()?;240241		<Pallet<T>>::burn(self, &caller, token).map_err(dispatch_to_evm::<T>)?;242		Ok(())243	}244}245246#[solidity_interface(name = "ERC721Mintable", events(ERC721MintableEvents))]247impl<T: Config> NonfungibleHandle<T> {248	fn minting_finished(&self) -> Result<bool> {249		Ok(false)250	}251252	/// `token_id` should be obtained with `next_token_id` method,253	/// unlike standard, you can't specify it manually254	#[weight(<SelfWeightOf<T>>::create_item())]255	fn mint(&mut self, caller: caller, to: address, token_id: uint256) -> Result<bool> {256		let caller = T::CrossAccountId::from_eth(caller);257		let to = T::CrossAccountId::from_eth(to);258		let token_id: u32 = token_id.try_into()?;259		if <TokensMinted<T>>::get(self.id)260			.checked_add(1)261			.ok_or("item id overflow")?262			!= token_id263		{264			return Err("item id should be next".into());265		}266267		<Pallet<T>>::create_item(268			self,269			&caller,270			CreateItemData::<T> {271				const_data: BoundedVec::default(),272				variable_data: BoundedVec::default(),273				owner: to,274			},275		)276		.map_err(dispatch_to_evm::<T>)?;277278		Ok(true)279	}280281	/// `token_id` should be obtained with `next_token_id` method,282	/// unlike standard, you can't specify it manually283	#[solidity(rename_selector = "mintWithTokenURI")]284	#[weight(<SelfWeightOf<T>>::create_item())]285	fn mint_with_token_uri(286		&mut self,287		caller: caller,288		to: address,289		token_id: uint256,290		token_uri: string,291	) -> Result<bool> {292		if !matches!(self.schema_version, SchemaVersion::ImageURL) {293			return Err(error_unsupported_schema_version());294		}295296		let caller = T::CrossAccountId::from_eth(caller);297		let to = T::CrossAccountId::from_eth(to);298		let token_id: u32 = token_id.try_into().map_err(|_| "amount overflow")?;299		if <TokensMinted<T>>::get(self.id)300			.checked_add(1)301			.ok_or("item id overflow")?302			!= token_id303		{304			return Err("item id should be next".into());305		}306307		<Pallet<T>>::create_item(308			self,309			&caller,310			CreateItemData::<T> {311				const_data: Vec::<u8>::from(token_uri)312					.try_into()313					.map_err(|_| "token uri is too long")?,314				variable_data: BoundedVec::default(),315				owner: to,316			},317		)318		.map_err(dispatch_to_evm::<T>)?;319		Ok(true)320	}321322	/// Not implemented323	fn finish_minting(&mut self, _caller: caller) -> Result<bool> {324		Err("not implementable".into())325	}326}327328#[solidity_interface(name = "ERC721UniqueExtensions")]329impl<T: Config> NonfungibleHandle<T> {330	#[weight(<SelfWeightOf<T>>::transfer())]331	fn transfer(332		&mut self,333		caller: caller,334		to: address,335		token_id: uint256,336		_value: value,337	) -> Result<void> {338		let caller = T::CrossAccountId::from_eth(caller);339		let to = T::CrossAccountId::from_eth(to);340		let token = token_id.try_into()?;341342		<Pallet<T>>::transfer(self, &caller, &to, token).map_err(dispatch_to_evm::<T>)?;343		Ok(())344	}345346	#[weight(<SelfWeightOf<T>>::burn_from())]347	fn burn_from(348		&mut self,349		caller: caller,350		from: address,351		token_id: uint256,352		_value: value,353	) -> Result<void> {354		let caller = T::CrossAccountId::from_eth(caller);355		let from = T::CrossAccountId::from_eth(from);356		let token = token_id.try_into()?;357		let budget = self358			.recorder359			.weight_calls_budget(<StructureWeight<T>>::find_parent());360361		<Pallet<T>>::burn_from(self, &caller, &from, token, &budget)362			.map_err(dispatch_to_evm::<T>)?;363		Ok(())364	}365366	fn next_token_id(&self) -> Result<uint256> {367		self.consume_store_reads(1)?;368		Ok(<TokensMinted<T>>::get(self.id)369			.checked_add(1)370			.ok_or("item id overflow")?371			.into())372	}373374	#[weight(<SelfWeightOf<T>>::set_variable_metadata(data.len() as u32))]375	fn set_variable_metadata(376		&mut self,377		caller: caller,378		token_id: uint256,379		data: bytes,380	) -> Result<void> {381		let caller = T::CrossAccountId::from_eth(caller);382		let token = token_id.try_into()?;383384		<Pallet<T>>::set_variable_metadata(385			self,386			&caller,387			token,388			data.try_into()389				.map_err(|_| "metadata size exceeded limit")?,390		)391		.map_err(dispatch_to_evm::<T>)?;392		Ok(())393	}394395	fn get_variable_metadata(&self, token_id: uint256) -> Result<bytes> {396		self.consume_store_reads(1)?;397		let token: TokenId = token_id.try_into()?;398399		Ok(<TokenData<T>>::get((self.id, token))400			.ok_or("token not found")?401			.variable_data402			.into_inner())403	}404405	#[weight(<SelfWeightOf<T>>::create_multiple_items(token_ids.len() as u32))]406	fn mint_bulk(&mut self, caller: caller, to: address, token_ids: Vec<uint256>) -> Result<bool> {407		let caller = T::CrossAccountId::from_eth(caller);408		let to = T::CrossAccountId::from_eth(to);409		let mut expected_index = <TokensMinted<T>>::get(self.id)410			.checked_add(1)411			.ok_or("item id overflow")?;412413		let total_tokens = token_ids.len();414		for id in token_ids.into_iter() {415			let id: u32 = id.try_into().map_err(|_| "token id overflow")?;416			if id != expected_index {417				return Err("item id should be next".into());418			}419			expected_index = expected_index.checked_add(1).ok_or("item id overflow")?;420		}421		let data = (0..total_tokens)422			.map(|_| CreateItemData::<T> {423				const_data: BoundedVec::default(),424				variable_data: BoundedVec::default(),425				owner: to.clone(),426			})427			.collect();428429		<Pallet<T>>::create_multiple_items(self, &caller, data).map_err(dispatch_to_evm::<T>)?;430		Ok(true)431	}432433	#[solidity(rename_selector = "mintBulkWithTokenURI")]434	#[weight(<SelfWeightOf<T>>::create_multiple_items(tokens.len() as u32))]435	fn mint_bulk_with_token_uri(436		&mut self,437		caller: caller,438		to: address,439		tokens: Vec<(uint256, string)>,440	) -> Result<bool> {441		if !matches!(self.schema_version, SchemaVersion::ImageURL) {442			return Err(error_unsupported_schema_version());443		}444445		let caller = T::CrossAccountId::from_eth(caller);446		let to = T::CrossAccountId::from_eth(to);447		let mut expected_index = <TokensMinted<T>>::get(self.id)448			.checked_add(1)449			.ok_or("item id overflow")?;450451		let mut data = Vec::with_capacity(tokens.len());452		for (id, token_uri) in tokens {453			let id: u32 = id.try_into().map_err(|_| "token id overflow")?;454			if id != expected_index {455				return Err("item id should be next".into());456			}457			expected_index = expected_index.checked_add(1).ok_or("item id overflow")?;458459			data.push(CreateItemData::<T> {460				const_data: Vec::<u8>::from(token_uri)461					.try_into()462					.map_err(|_| "token uri is too long")?,463				variable_data: vec![].try_into().unwrap(),464				owner: to.clone(),465			});466		}467468		<Pallet<T>>::create_multiple_items(self, &caller, data).map_err(dispatch_to_evm::<T>)?;469		Ok(true)470	}471}472473#[solidity_interface(474	name = "UniqueNFT",475	is(476		ERC721,477		ERC721Metadata,478		ERC721Enumerable,479		ERC721UniqueExtensions,480		ERC721Mintable,481		ERC721Burnable,482	)483)]484impl<T: Config> NonfungibleHandle<T> {}485486// Not a tests, but code generators487generate_stubgen!(gen_impl, UniqueNFTCall<()>, true);488generate_stubgen!(gen_iface, UniqueNFTCall<()>, false);489490impl<T: Config> CommonEvmHandler for NonfungibleHandle<T> {491	const CODE: &'static [u8] = include_bytes!("./stubs/UniqueNFT.raw");492493	fn call(self, source: &H160, input: &[u8], value: U256) -> Option<PrecompileResult> {494		call::<T, UniqueNFTCall<T>, _>(*source, self, value, input)495	}496}
modifiedpallets/nonfungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/lib.rs
+++ b/pallets/nonfungible/src/lib.rs
@@ -251,6 +251,7 @@
 		from: &T::CrossAccountId,
 		to: &T::CrossAccountId,
 		token: TokenId,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResult {
 		ensure!(
 			collection.limits.transfers_enabled(),
@@ -294,12 +295,12 @@
 			let handle = <CollectionHandle<T>>::try_get(target.0)?;
 			let dispatch = T::CollectionDispatch::dispatch(handle);
 			let dispatch = dispatch.as_dyn();
-
-			// =========
 
-			dispatch.nest_token(from.clone(), (collection.id, token), target.1)?;
+			dispatch.check_nesting(from.clone(), collection.id, target.1, nesting_budget)?;
 		}
 
+		// =========
+
 		<TokenData<T>>::insert(
 			(collection.id, token),
 			ItemData {
@@ -340,6 +341,7 @@
 		collection: &NonfungibleHandle<T>,
 		sender: &T::CrossAccountId,
 		data: Vec<CreateItemData<T>>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResult {
 		if !collection.is_owner_or_admin(sender) {
 			ensure!(
@@ -379,6 +381,16 @@
 			);
 		}
 
+		for (to, _) in balances.iter() {
+			if let Some(target) = T::CrossTokenAddressMapping::address_to_token(to) {
+				let handle = <CollectionHandle<T>>::try_get(target.0)?;
+				let dispatch = T::CollectionDispatch::dispatch(handle);
+				let dispatch = dispatch.as_dyn();
+
+				dispatch.check_nesting(sender.clone(), collection.id, target.1, nesting_budget)?;
+			}
+		}
+
 		// =========
 
 		<TokensMinted<T>>::insert(collection.id, tokens_minted);
@@ -556,7 +568,7 @@
 		// =========
 
 		// Allowance is reset in [`transfer`]
-		Self::transfer(collection, from, to, token)
+		Self::transfer(collection, from, to, token, nesting_budget)
 	}
 
 	pub fn burn_from(
@@ -595,35 +607,34 @@
 		Ok(())
 	}
 
-	pub fn nest_token(
+	pub fn check_nesting(
 		handle: &NonfungibleHandle<T>,
 		sender: T::CrossAccountId,
 		from: CollectionId,
 		under: TokenId,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResult {
 		fn ensure_sender_allowed<T: Config>(
 			collection: CollectionId,
 			token: TokenId,
 			sender: T::CrossAccountId,
+			budget: &dyn Budget,
 		) -> DispatchResult {
 			ensure!(
-				<TokenData<T>>::get((collection, token))
-					.ok_or(<CommonError<T>>::TokenNotFound)?
-					.owner
-					.conv_eq(&sender),
+				<PalletStructure<T>>::indirectly_owned(sender, collection, token, budget)?,
 				<CommonError<T>>::OnlyOwnerAllowedToNest,
 			);
 			Ok(())
 		}
 		match handle.limits.nesting_rule() {
 			NestingRule::Disabled => fail!(<CommonError<T>>::NestingIsDisabled),
-			NestingRule::Owner => ensure_sender_allowed::<T>(from, under, sender)?,
+			NestingRule::Owner => ensure_sender_allowed::<T>(from, under, sender, nesting_budget)?,
 			NestingRule::OwnerRestricted(whitelist) => {
 				ensure!(
 					whitelist.contains(&from),
 					<CommonError<T>>::SourceCollectionIsNotAllowedToNest
 				);
-				ensure_sender_allowed::<T>(from, under, sender)?
+				ensure_sender_allowed::<T>(from, under, sender, nesting_budget)?
 			}
 		}
 		Ok(())
@@ -634,7 +645,8 @@
 		collection: &NonfungibleHandle<T>,
 		sender: &T::CrossAccountId,
 		data: CreateItemData<T>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResult {
-		Self::create_multiple_items(collection, sender, vec![data])
+		Self::create_multiple_items(collection, sender, vec![data], nesting_budget)
 	}
 }
modifiedpallets/refungible/src/common.rsdiffbeforeafterboth
--- a/pallets/refungible/src/common.rs
+++ b/pallets/refungible/src/common.rs
@@ -19,7 +19,8 @@
 use sp_std::collections::btree_map::BTreeMap;
 use frame_support::{dispatch::DispatchResultWithPostInfo, fail, weights::Weight, BoundedVec};
 use up_data_structs::{
-	TokenId, CustomDataLimit, CreateItemExData, CreateRefungibleExData, budget::Budget,
+	CollectionId, TokenId, CustomDataLimit, CreateItemExData, CreateRefungibleExData,
+	budget::Budget,
 };
 use pallet_common::{CommonCollectionOperations, CommonWeightInfo, with_weight};
 use sp_runtime::DispatchError;
@@ -120,9 +121,15 @@
 		sender: T::CrossAccountId,
 		to: T::CrossAccountId,
 		data: up_data_structs::CreateItemData,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		with_weight(
-			<Pallet<T>>::create_item(self, &sender, map_create_data::<T>(data, &to)?),
+			<Pallet<T>>::create_item(
+				self,
+				&sender,
+				map_create_data::<T>(data, &to)?,
+				nesting_budget,
+			),
 			<CommonWeights<T>>::create_item(),
 		)
 	}
@@ -132,6 +139,7 @@
 		sender: T::CrossAccountId,
 		to: T::CrossAccountId,
 		data: Vec<up_data_structs::CreateItemData>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		let data = data
 			.into_iter()
@@ -140,7 +148,7 @@
 
 		let amount = data.len();
 		with_weight(
-			<Pallet<T>>::create_multiple_items(self, &sender, data),
+			<Pallet<T>>::create_multiple_items(self, &sender, data, nesting_budget),
 			<CommonWeights<T>>::create_multiple_items(amount as u32),
 		)
 	}
@@ -149,6 +157,7 @@
 		&self,
 		sender: <T>::CrossAccountId,
 		data: CreateItemExData<T::CrossAccountId>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		let weight = <CommonWeights<T>>::create_multiple_items_ex(&data);
 		let data = match data {
@@ -162,7 +171,7 @@
 		};
 
 		with_weight(
-			<Pallet<T>>::create_multiple_items(self, &sender, data),
+			<Pallet<T>>::create_multiple_items(self, &sender, data, nesting_budget),
 			weight,
 		)
 	}
@@ -185,9 +194,10 @@
 		to: T::CrossAccountId,
 		token: TokenId,
 		amount: u128,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResultWithPostInfo {
 		with_weight(
-			<Pallet<T>>::transfer(self, &from, &to, token, amount),
+			<Pallet<T>>::transfer(self, &from, &to, token, amount, nesting_budget),
 			<CommonWeights<T>>::transfer(),
 		)
 	}
@@ -247,11 +257,12 @@
 		)
 	}
 
-	fn nest_token(
+	fn check_nesting(
 		&self,
 		_sender: <T>::CrossAccountId,
-		_from: (up_data_structs::CollectionId, TokenId),
+		_from: CollectionId,
 		_under: TokenId,
+		_budget: &dyn Budget,
 	) -> sp_runtime::DispatchResult {
 		fail!(<Error<T>>::RefungibleDisallowsNesting)
 	}
modifiedpallets/refungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -289,6 +289,7 @@
 		to: &T::CrossAccountId,
 		token: TokenId,
 		amount: u128,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResult {
 		ensure!(
 			collection.limits.transfers_enabled(),
@@ -351,10 +352,10 @@
 			let dispatch = T::CollectionDispatch::dispatch(handle);
 			let dispatch = dispatch.as_dyn();
 
-			// =========
+			dispatch.check_nesting(from.clone(), collection.id, target.1, nesting_budget)?;
+		}
 
-			dispatch.nest_token(from.clone(), (collection.id, token), target.1)?;
-		}
+		// =========
 
 		if let Some(balance_to) = balance_to {
 			// from != to
@@ -389,6 +390,7 @@
 		collection: &RefungibleHandle<T>,
 		sender: &T::CrossAccountId,
 		data: Vec<CreateRefungibleExData<T::CrossAccountId>>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResult {
 		if !collection.is_owner_or_admin(sender) {
 			ensure!(
@@ -453,6 +455,23 @@
 			}
 		}
 
+		for token in data.iter() {
+			for (to, _) in token.users.iter() {
+				if let Some(target) = T::CrossTokenAddressMapping::address_to_token(to) {
+					let handle = <CollectionHandle<T>>::try_get(target.0)?;
+					let dispatch = T::CollectionDispatch::dispatch(handle);
+					let dispatch = dispatch.as_dyn();
+
+					dispatch.check_nesting(
+						sender.clone(),
+						collection.id,
+						target.1,
+						nesting_budget,
+					)?;
+				}
+			}
+		}
+
 		// =========
 
 		<TokensMinted<T>>::insert(collection.id, tokens_minted);
@@ -591,7 +610,7 @@
 
 		// =========
 
-		Self::transfer(collection, from, to, token, amount)?;
+		Self::transfer(collection, from, to, token, amount, nesting_budget)?;
 		if let Some(allowance) = allowance {
 			Self::set_allowance_unchecked(collection, from, spender, token, allowance);
 		}
@@ -648,7 +667,8 @@
 		collection: &RefungibleHandle<T>,
 		sender: &T::CrossAccountId,
 		data: CreateRefungibleExData<T::CrossAccountId>,
+		nesting_budget: &dyn Budget,
 	) -> DispatchResult {
-		Self::create_multiple_items(collection, sender, vec![data])
+		Self::create_multiple_items(collection, sender, vec![data], nesting_budget)
 	}
 }
modifiedpallets/structure/src/lib.rsdiffbeforeafterboth
--- a/pallets/structure/src/lib.rs
+++ b/pallets/structure/src/lib.rs
@@ -19,7 +19,6 @@
 	use frame_support::Parameter;
 	use frame_support::dispatch::{GetDispatchInfo, UnfilteredDispatchable};
 	use frame_support::pallet_prelude::*;
-	use frame_system::pallet_prelude::*;
 
 	use super::*;
 
modifiedpallets/unique/src/lib.rsdiffbeforeafterboth
--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -693,8 +693,9 @@
 		#[transactional]
 		pub fn create_item(origin, collection_id: CollectionId, owner: T::CrossAccountId, data: CreateItemData) -> DispatchResultWithPostInfo {
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let budget = budget::Value::new(2);
 
-			dispatch_call::<T, _>(collection_id, |d| d.create_item(sender, owner, data))
+			dispatch_call::<T, _>(collection_id, |d| d.create_item(sender, owner, data, &budget))
 		}
 
 		/// This method creates multiple items in a collection created with CreateCollection method.
@@ -720,16 +721,18 @@
 		pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::CrossAccountId, items_data: Vec<CreateItemData>) -> DispatchResultWithPostInfo {
 			ensure!(!items_data.is_empty(), Error::<T>::EmptyArgument);
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let budget = budget::Value::new(2);
 
-			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items(sender, owner, items_data))
+			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items(sender, owner, items_data, &budget))
 		}
 
 		#[weight = <CommonWeights<T>>::create_multiple_items_ex(&data)]
 		#[transactional]
 		pub fn create_multiple_items_ex(origin, collection_id: CollectionId, data: CreateItemExData<T::CrossAccountId>) -> DispatchResultWithPostInfo {
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let budget = budget::Value::new(2);
 
-			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items_ex(sender, data))
+			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items_ex(sender, data, &budget))
 		}
 
 		// TODO! transaction weight
@@ -839,8 +842,9 @@
 		#[transactional]
 		pub fn transfer(origin, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let budget = budget::Value::new(2);
 
-			dispatch_call::<T, _>(collection_id, |d| d.transfer(sender, recipient, item_id, value))
+			dispatch_call::<T, _>(collection_id, |d| d.transfer(sender, recipient, item_id, value, &budget))
 		}
 
 		/// Set, change, or remove approved address to transfer the ownership of the NFT.