git.delta.rocks / unique-network / refs/commits / c70fd784684b

1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617//! # Common pallet18//!19//! The Common pallet provides functionality for handling collections.20//!21//! ## Overview22//!23//! The Common pallet provides an interface for common collection operations for different collection types24//! (see [CommonCollectionOperations]), as well as a generic dispatcher for these, see [dispatch] module.25//! It also provides this functionality to EVM, see [erc] and [eth] modules.26//!27//! The Common pallet provides functions for:28//!29//! - Setting and approving collection sponsor.30//! - Get\set\delete allow list.31//! - Get\set\delete collection properties.32//! - Get\set\delete collection property permissions.33//! - Get\set\delete token property permissions.34//! - Get\set\delete collection administrators.35//! - Checking access permissions.36//!37//! ### Terminology38//! **Collection sponsor** - For the collection, you can set a sponsor, at whose expense it will39//! be possible to mint tokens.40//!41//! **Allow list** - List of users who have the right to minting tokens.42//!43//! **Collection properties** - Collection properties are simply key-value stores where various44//! metadata can be placed.45//!46//! **Permissions on token properties** - For each property in the token can be set permission47//! to change, see [`PropertyPermission`].48//!49//! **Collection administrator** - For a collection, you can set administrators who have the right50//! to most actions on the collection.5152#![warn(missing_docs)]53#![cfg_attr(not(feature = "std"), no_std)]54extern crate alloc;5556use alloc::boxed::Box;57use core::{58	marker::PhantomData,59	ops::{Deref, DerefMut},60	slice::from_ref,61	unreachable,62};6364use evm_coder::ToLog;65use frame_support::{66	dispatch::{DispatchErrorWithPostInfo, DispatchResultWithPostInfo, Pays, PostDispatchInfo},67	ensure, fail,68	traits::{69		fungible::{Balanced, Debt, Inspect},70		tokens::{Imbalance, Precision, Preservation},71		Get,72	},73	transactional,74};75pub use pallet::*;76use pallet_evm::{account::CrossAccountId, Pallet as PalletEvm};77use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};78use sp_core::H160;79use sp_runtime::{traits::Zero, ArithmeticError, DispatchError, DispatchResult};80use sp_std::vec::Vec;81use sp_weights::Weight;82use up_data_structs::{83	budget::Budget, AccessMode, Collection, CollectionId, CollectionLimits, CollectionMode,84	CollectionPermissions, CollectionProperties as CollectionPropertiesT, CollectionStats,85	CreateCollectionData, CreateItemData, CreateItemExData, PhantomType, PropertiesError,86	PropertiesPermissionMap, Property, PropertyKey, PropertyKeyPermission, PropertyPermission,87	PropertyScope, PropertyValue, RpcCollection, RpcCollectionFlags, SponsoringRateLimit,88	SponsorshipState, TokenChild, TokenData, TokenId, TokenOwnerError, TokenProperties,89	TrySetProperty, COLLECTION_ADMINS_LIMIT, COLLECTION_NUMBER_LIMIT, CUSTOM_DATA_LIMIT,90	FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, MAX_SPONSOR_TIMEOUT, MAX_TOKEN_OWNERSHIP,91	MAX_TOKEN_PREFIX_LENGTH, NFT_SPONSOR_TRANSFER_TIMEOUT, REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,92};93use up_pov_estimate_rpc::PovInfo;9495#[cfg(feature = "runtime-benchmarks")]96pub mod benchmarking;97pub mod dispatch;98pub mod erc;99pub mod eth;100pub mod helpers;101#[allow(missing_docs)]102pub mod weights;103104use weights::WeightInfo;105106/// Weight info.107pub type SelfWeightOf<T> = <T as Config>::WeightInfo;108109/// Collection handle contains information about collection data and id.110/// Also provides functionality to count consumed gas.111///112/// CollectionHandle is used as a generic wrapper for collections of all types (except native fungible).113/// It allows to perform common operations and queries on any collection type,114/// both completely general for all, as well as their respective implementations of [`CommonCollectionOperations`].115#[must_use = "Should call submit_logs or save, otherwise some data will be lost for evm side"]116pub struct CollectionHandle<T: Config> {117	/// Collection id118	pub id: CollectionId,119	collection: Collection<T::AccountId>,120	/// Substrate recorder for counting consumed gas121	pub recorder: SubstrateRecorder<T>,122}123124impl<T: Config> WithRecorder<T> for CollectionHandle<T> {125	fn recorder(&self) -> &SubstrateRecorder<T> {126		&self.recorder127	}128	fn into_recorder(self) -> SubstrateRecorder<T> {129		self.recorder130	}131}132133impl<T: Config> CollectionHandle<T> {134	/// Same as [CollectionHandle::new] but with an explicit gas limit.135	pub fn new_with_gas_limit(id: CollectionId, gas_limit: u64) -> Option<Self> {136		Self::new_with_recorder(id, SubstrateRecorder::new(gas_limit))137	}138139	/// Same as [CollectionHandle::new] but with an existed [`SubstrateRecorder`].140	pub fn new_with_recorder(id: CollectionId, recorder: SubstrateRecorder<T>) -> Option<Self> {141		<CollectionById<T>>::get(id).map(|collection| Self {142			id,143			collection,144			recorder,145		})146	}147148	/// Retrives collection data from storage and creates collection handle with default parameters.149	/// If collection not found return `None`150	pub fn new(id: CollectionId) -> Option<Self> {151		Self::new_with_gas_limit(id, u64::MAX)152	}153154	/// Same as [`CollectionHandle::new`] but if collection not found [CollectionNotFound](Error::CollectionNotFound) returned.155	pub fn try_get(id: CollectionId) -> Result<Self, DispatchError> {156		Ok(Self::new(id).ok_or(<Error<T>>::CollectionNotFound)?)157	}158159	/// Consume gas for reading.160	pub fn consume_store_reads(161		&self,162		reads: u64,163	) -> pallet_evm_coder_substrate::execution::Result<()> {164		self.recorder().consume_store_reads(reads)165	}166167	/// Consume gas for writing.168	pub fn consume_store_writes(169		&self,170		writes: u64,171	) -> pallet_evm_coder_substrate::execution::Result<()> {172		self.recorder().consume_store_writes(writes)173	}174175	/// Consume gas for reading and writing.176	pub fn consume_store_reads_and_writes(177		&self,178		reads: u64,179		writes: u64,180	) -> pallet_evm_coder_substrate::execution::Result<()> {181		self.recorder()182			.consume_store_reads_and_writes(reads, writes)183	}184185	/// Save collection to storage.186	pub fn save(&self) -> DispatchResult {187		<CollectionById<T>>::insert(self.id, &self.collection);188		Ok(())189	}190191	/// Set collection sponsor.192	///193	/// Unique collections allows sponsoring for certain actions.194	/// This method allows you to set the sponsor of the collection.195	/// In order for sponsorship to become active, it must be confirmed through [`Self::confirm_sponsorship`].196	pub fn set_sponsor(197		&mut self,198		sender: &T::CrossAccountId,199		sponsor: T::AccountId,200	) -> DispatchResult {201		self.check_is_internal()?;202		self.check_is_owner_or_admin(sender)?;203204		self.collection.sponsorship = SponsorshipState::Unconfirmed(sponsor.clone());205206		<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorSet(self.id, sponsor));207		<PalletEvm<T>>::deposit_log(208			erc::CollectionHelpersEvents::CollectionChanged {209				collection_id: eth::collection_id_to_address(self.id),210			}211			.to_log(T::ContractAddress::get()),212		);213214		self.save()215	}216217	/// Force set `sponsor`.218	///219	/// Differs from [`set_sponsor`][`Self::set_sponsor`] in that confirmation220	/// from the `sponsor` is not required.221	///222	/// # Arguments223	///224	/// * `sponsor`: ID of the account of the sponsor-to-be.225	pub fn force_set_sponsor(&mut self, sponsor: T::AccountId) -> DispatchResult {226		self.check_is_internal()?;227228		self.collection.sponsorship = SponsorshipState::Confirmed(sponsor.clone());229230		<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorSet(self.id, sponsor.clone()));231		<Pallet<T>>::deposit_event(Event::<T>::SponsorshipConfirmed(self.id, sponsor));232		<PalletEvm<T>>::deposit_log(233			erc::CollectionHelpersEvents::CollectionChanged {234				collection_id: eth::collection_id_to_address(self.id),235			}236			.to_log(T::ContractAddress::get()),237		);238239		self.save()240	}241242	/// Confirm sponsorship243	///244	/// In order for the sponsorship to become active, the user set as the sponsor must confirm their participation.245	/// Before confirming sponsorship, the user must be specified as the sponsor of the collection via [`Self::set_sponsor`].246	pub fn confirm_sponsorship(&mut self, sender: &T::AccountId) -> DispatchResult {247		self.check_is_internal()?;248		ensure!(249			self.collection.sponsorship.pending_sponsor() == Some(sender),250			Error::<T>::ConfirmSponsorshipFail251		);252253		self.collection.sponsorship = SponsorshipState::Confirmed(sender.clone());254255		<Pallet<T>>::deposit_event(Event::<T>::SponsorshipConfirmed(self.id, sender.clone()));256		<PalletEvm<T>>::deposit_log(257			erc::CollectionHelpersEvents::CollectionChanged {258				collection_id: eth::collection_id_to_address(self.id),259			}260			.to_log(T::ContractAddress::get()),261		);262263		self.save()264	}265266	/// Remove collection sponsor.267	pub fn remove_sponsor(&mut self, sender: &T::CrossAccountId) -> DispatchResult {268		self.check_is_internal()?;269		self.check_is_owner_or_admin(sender)?;270271		self.collection.sponsorship = SponsorshipState::Disabled;272273		<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorRemoved(self.id));274		<PalletEvm<T>>::deposit_log(275			erc::CollectionHelpersEvents::CollectionChanged {276				collection_id: eth::collection_id_to_address(self.id),277			}278			.to_log(T::ContractAddress::get()),279		);280		self.save()281	}282283	/// Force remove `sponsor`.284	///285	/// Differs from `remove_sponsor` in that286	/// it doesn't require consent from the `owner` of the collection.287	pub fn force_remove_sponsor(&mut self) -> DispatchResult {288		self.check_is_internal()?;289290		self.collection.sponsorship = SponsorshipState::Disabled;291292		<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorRemoved(self.id));293		<PalletEvm<T>>::deposit_log(294			erc::CollectionHelpersEvents::CollectionChanged {295				collection_id: eth::collection_id_to_address(self.id),296			}297			.to_log(T::ContractAddress::get()),298		);299		self.save()300	}301302	/// Checks that the collection was created with, and must be operated upon through **Unique API**.303	/// Now check only the `external` flag and if it's **true**, then return [`Error::CollectionIsExternal`] error.304	pub fn check_is_internal(&self) -> DispatchResult {305		if self.flags.external {306			return Err(<Error<T>>::CollectionIsExternal)?;307		}308309		Ok(())310	}311312	/// Checks that the collection was created with, and must be operated upon through an **assimilated API**.313	/// Now check only the `external` flag and if it's **false**, then return [`Error::CollectionIsInternal`] error.314	pub fn check_is_external(&self) -> DispatchResult {315		if !self.flags.external {316			return Err(<Error<T>>::CollectionIsInternal)?;317		}318319		Ok(())320	}321}322323impl<T: Config> Deref for CollectionHandle<T> {324	type Target = Collection<T::AccountId>;325326	fn deref(&self) -> &Self::Target {327		&self.collection328	}329}330331impl<T: Config> DerefMut for CollectionHandle<T> {332	fn deref_mut(&mut self) -> &mut Self::Target {333		&mut self.collection334	}335}336337impl<T: Config> CollectionHandle<T> {338	/// Checks if the `user` is the owner of the collection.339	pub fn check_is_owner(&self, user: &T::CrossAccountId) -> DispatchResult {340		ensure!(*user.as_sub() == self.owner, <Error<T>>::NoPermission);341		Ok(())342	}343344	/// Returns **true** if the `user` is the owner or administrator of the collection.345	pub fn is_owner_or_admin(&self, user: &T::CrossAccountId) -> bool {346		*user.as_sub() == self.owner || <IsAdmin<T>>::get((self.id, user))347	}348349	/// Checks if the `user` is the owner or administrator of the collection.350	pub fn check_is_owner_or_admin(&self, user: &T::CrossAccountId) -> DispatchResult {351		ensure!(self.is_owner_or_admin(user), <Error<T>>::NoPermission);352		Ok(())353	}354355	/// Returns **true** if356	/// * the `user`is a collection owner or admin357	/// * the collection limits allow the owner/admins to transfer/burn any collection token358	pub fn ignores_token_restrictions(&self, user: &T::CrossAccountId) -> bool {359		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)360	}361362	/// Return **true** if `user` does not have enough token parts, and he can ignore such restrictions.363	pub fn ignores_owned_amount(&self, user: &T::CrossAccountId) -> bool {364		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)365	}366367	/// Checks if the user is in the allow list. If not [Error::AddressNotInAllowlist] returns.368	pub fn check_allowlist(&self, user: &T::CrossAccountId) -> DispatchResult {369		ensure!(370			<Allowlist<T>>::get((self.id, user)),371			<Error<T>>::AddressNotInAllowlist372		);373		Ok(())374	}375376	/// Changes collection owner to another account377	/// #### Store read/writes378	/// 1 writes379	pub fn change_owner(380		&mut self,381		caller: T::CrossAccountId,382		new_owner: T::CrossAccountId,383	) -> DispatchResult {384		self.check_is_internal()?;385		self.check_is_owner(&caller)?;386		self.collection.owner = new_owner.as_sub().clone();387388		<Pallet<T>>::deposit_event(Event::<T>::CollectionOwnerChanged(389			self.id,390			new_owner.as_sub().clone(),391		));392		<PalletEvm<T>>::deposit_log(393			erc::CollectionHelpersEvents::CollectionChanged {394				collection_id: eth::collection_id_to_address(self.id),395			}396			.to_log(T::ContractAddress::get()),397		);398399		self.save()400	}401}402403#[frame_support::pallet]404pub mod pallet {405406	use dispatch::CollectionDispatch;407	use frame_support::{408		pallet_prelude::*, storage::Key, traits::StorageVersion, Blake2_128Concat,409	};410	use scale_info::TypeInfo;411	use up_data_structs::{mapping::TokenAddressMapping, TokenId};412	use weights::WeightInfo;413414	use super::*;415416	#[pallet::config]417	pub trait Config:418		frame_system::Config + pallet_evm_coder_substrate::Config + pallet_evm::Config + TypeInfo419	{420		/// Weight information for functions of this pallet.421		type WeightInfo: WeightInfo;422423		/// Events compatible with [`frame_system::Config::Event`].424		type RuntimeEvent: IsType<<Self as frame_system::Config>::RuntimeEvent> + From<Event<Self>>;425426		/// Handler of accounts and payment.427		type Currency: Balanced<Self::AccountId> + Inspect<Self::AccountId>;428429		/// Set price to create a collection.430		#[pallet::constant]431		type CollectionCreationPrice: Get<432			<<Self as Config>::Currency as Inspect<Self::AccountId>>::Balance,433		>;434435		/// Dispatcher of operations on collections.436		type CollectionDispatch: CollectionDispatch<Self>;437438		/// Account which holds the chain's treasury.439		type TreasuryAccountId: Get<Self::AccountId>;440441		/// Address under which the CollectionHelper contract would be available.442		#[pallet::constant]443		type ContractAddress: Get<H160>;444445		/// Mapper for token addresses to Ethereum addresses.446		type EvmTokenAddressMapping: TokenAddressMapping<H160>;447448		/// Mapper for token addresses to [`CrossAccountId`].449		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;450	}451452	const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);453	/// Collection id for native fungible collction.454	pub const NATIVE_FUNGIBLE_COLLECTION_ID: CollectionId = CollectionId(0);455456	#[pallet::pallet]457	#[pallet::storage_version(STORAGE_VERSION)]458	pub struct Pallet<T>(_);459460	#[pallet::extra_constants]461	impl<T: Config> Pallet<T> {462		/// Maximum admins per collection.463		pub fn collection_admins_limit() -> u32 {464			COLLECTION_ADMINS_LIMIT465		}466	}467468	#[pallet::genesis_config]469	pub struct GenesisConfig<T>(PhantomData<T>);470471	impl<T: Config> Default for GenesisConfig<T> {472		fn default() -> Self {473			Self(Default::default())474		}475	}476477	#[pallet::genesis_build]478	impl<T: Config> BuildGenesisConfig for GenesisConfig<T> {479		fn build(&self) {480			StorageVersion::new(1).put::<Pallet<T>>();481		}482	}483484	impl<T: Config> Pallet<T> {485		/// Helper function that handles deposit events486		pub fn deposit_event(event: Event<T>) {487			let event = <T as Config>::RuntimeEvent::from(event);488			let event = event.into();489			<frame_system::Pallet<T>>::deposit_event(event)490		}491	}492493	#[pallet::event]494	pub enum Event<T: Config> {495		/// New collection was created496		CollectionCreated(497			/// Globally unique identifier of newly created collection.498			CollectionId,499			/// [`CollectionMode`] converted into _u8_.500			u8,501			/// Collection owner.502			T::AccountId,503		),504505		/// New collection was destroyed506		CollectionDestroyed(507			/// Globally unique identifier of collection.508			CollectionId,509		),510511		/// New item was created.512		ItemCreated(513			/// Id of the collection where item was created.514			CollectionId,515			/// Id of an item. Unique within the collection.516			TokenId,517			/// Owner of newly created item518			T::CrossAccountId,519			/// Always 1 for NFT520			u128,521		),522523		/// Collection item was burned.524		ItemDestroyed(525			/// Id of the collection where item was destroyed.526			CollectionId,527			/// Identifier of burned NFT.528			TokenId,529			/// Which user has destroyed its tokens.530			T::CrossAccountId,531			/// Amount of token pieces destroed. Always 1 for NFT.532			u128,533		),534535		/// Item was transferred536		Transfer(537			/// Id of collection to which item is belong.538			CollectionId,539			/// Id of an item.540			TokenId,541			/// Original owner of item.542			T::CrossAccountId,543			/// New owner of item.544			T::CrossAccountId,545			/// Amount of token pieces transfered. Always 1 for NFT.546			u128,547		),548549		/// Amount pieces of token owned by `sender` was approved for `spender`.550		Approved(551			/// Id of collection to which item is belong.552			CollectionId,553			/// Id of an item.554			TokenId,555			/// Original owner of item.556			T::CrossAccountId,557			/// Id for which the approval was granted.558			T::CrossAccountId,559			/// Amount of token pieces transfered. Always 1 for NFT.560			u128,561		),562563		/// A `sender` approves operations on all owned tokens for `spender`.564		ApprovedForAll(565			/// Id of collection to which item is belong.566			CollectionId,567			/// Owner of a wallet.568			T::CrossAccountId,569			/// Id for which operator status was granted or rewoked.570			T::CrossAccountId,571			/// Is operator status granted or revoked?572			bool,573		),574575		/// The colletion property has been added or edited.576		CollectionPropertySet(577			/// Id of collection to which property has been set.578			CollectionId,579			/// The property that was set.580			PropertyKey,581		),582583		/// The property has been deleted.584		CollectionPropertyDeleted(585			/// Id of collection to which property has been deleted.586			CollectionId,587			/// The property that was deleted.588			PropertyKey,589		),590591		/// The token property has been added or edited.592		TokenPropertySet(593			/// Identifier of the collection whose token has the property set.594			CollectionId,595			/// The token for which the property was set.596			TokenId,597			/// The property that was set.598			PropertyKey,599		),600601		/// The token property has been deleted.602		TokenPropertyDeleted(603			/// Identifier of the collection whose token has the property deleted.604			CollectionId,605			/// The token for which the property was deleted.606			TokenId,607			/// The property that was deleted.608			PropertyKey,609		),610611		/// The token property permission of a collection has been set.612		PropertyPermissionSet(613			/// ID of collection to which property permission has been set.614			CollectionId,615			/// The property permission that was set.616			PropertyKey,617		),618619		/// Address was added to the allow list.620		AllowListAddressAdded(621			/// ID of the affected collection.622			CollectionId,623			/// Address of the added account.624			T::CrossAccountId,625		),626627		/// Address was removed from the allow list.628		AllowListAddressRemoved(629			/// ID of the affected collection.630			CollectionId,631			/// Address of the removed account.632			T::CrossAccountId,633		),634635		/// Collection admin was added.636		CollectionAdminAdded(637			/// ID of the affected collection.638			CollectionId,639			/// Admin address.640			T::CrossAccountId,641		),642643		/// Collection admin was removed.644		CollectionAdminRemoved(645			/// ID of the affected collection.646			CollectionId,647			/// Removed admin address.648			T::CrossAccountId,649		),650651		/// Collection limits were set.652		CollectionLimitSet(653			/// ID of the affected collection.654			CollectionId,655		),656657		/// Collection owned was changed.658		CollectionOwnerChanged(659			/// ID of the affected collection.660			CollectionId,661			/// New owner address.662			T::AccountId,663		),664665		/// Collection permissions were set.666		CollectionPermissionSet(667			/// ID of the affected collection.668			CollectionId,669		),670671		/// Collection sponsor was set.672		CollectionSponsorSet(673			/// ID of the affected collection.674			CollectionId,675			/// New sponsor address.676			T::AccountId,677		),678679		/// New sponsor was confirm.680		SponsorshipConfirmed(681			/// ID of the affected collection.682			CollectionId,683			/// New sponsor address.684			T::AccountId,685		),686687		/// Collection sponsor was removed.688		CollectionSponsorRemoved(689			/// ID of the affected collection.690			CollectionId,691		),692	}693694	#[pallet::error]695	pub enum Error<T> {696		/// This collection does not exist.697		CollectionNotFound,698		/// Sender parameter and item owner must be equal.699		MustBeTokenOwner,700		/// No permission to perform action701		NoPermission,702		/// Destroying only empty collections is allowed703		CantDestroyNotEmptyCollection,704		/// Collection is not in mint mode.705		PublicMintingNotAllowed,706		/// Address is not in allow list.707		AddressNotInAllowlist,708709		/// Collection name can not be longer than 63 char.710		CollectionNameLimitExceeded,711		/// Collection description can not be longer than 255 char.712		CollectionDescriptionLimitExceeded,713		/// Token prefix can not be longer than 15 char.714		CollectionTokenPrefixLimitExceeded,715		/// Total collections bound exceeded.716		TotalCollectionsLimitExceeded,717		/// Exceeded max admin count718		CollectionAdminCountExceeded,719		/// Collection limit bounds per collection exceeded720		CollectionLimitBoundsExceeded,721		/// Tried to enable permissions which are only permitted to be disabled722		OwnerPermissionsCantBeReverted,723		/// Collection settings not allowing items transferring724		TransferNotAllowed,725		/// Account token limit exceeded per collection726		AccountTokenLimitExceeded,727		/// Collection token limit exceeded728		CollectionTokenLimitExceeded,729		/// Metadata flag frozen730		MetadataFlagFrozen,731732		/// Item does not exist733		TokenNotFound,734		/// Item is balance not enough735		TokenValueTooLow,736		/// Requested value is more than the approved737		ApprovedValueTooLow,738		/// Tried to approve more than owned739		CantApproveMoreThanOwned,740		/// Only spending from eth mirror could be approved741		AddressIsNotEthMirror,742743		/// Can't transfer tokens to ethereum zero address744		AddressIsZero,745746		/// The operation is not supported747		UnsupportedOperation,748749		/// Insufficient funds to perform an action750		NotSufficientFounds,751752		/// User does not satisfy the nesting rule753		UserIsNotAllowedToNest,754		/// Only tokens from specific collections may nest tokens under this one755		SourceCollectionIsNotAllowedToNest,756757		/// Tried to store more data than allowed in collection field758		CollectionFieldSizeExceeded,759760		/// Tried to store more property data than allowed761		NoSpaceForProperty,762763		/// Tried to store more property keys than allowed764		PropertyLimitReached,765766		/// Property key is too long767		PropertyKeyIsTooLong,768769		/// Only ASCII letters, digits, and symbols `_`, `-`, and `.` are allowed770		InvalidCharacterInPropertyKey,771772		/// Empty property keys are forbidden773		EmptyPropertyKey,774775		/// Tried to access an external collection with an internal API776		CollectionIsExternal,777778		/// Tried to access an internal collection with an external API779		CollectionIsInternal,780781		/// This address is not set as sponsor, use setCollectionSponsor first.782		ConfirmSponsorshipFail,783784		/// The user is not an administrator.785		UserIsNotCollectionAdmin,786787		/// Fungible tokens hold no ID, and the default value of TokenId for a fungible collection is 0.788		FungibleItemsHaveNoId,789	}790791	/// Storage of the count of created collections. Essentially contains the last collection ID.792	#[pallet::storage]793	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;794795	/// Storage of the count of deleted collections.796	#[pallet::storage]797	pub type DestroyedCollectionCount<T> =798		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;799800	/// Storage of collection info.801	#[pallet::storage]802	pub type CollectionById<T> = StorageMap<803		Hasher = Blake2_128Concat,804		Key = CollectionId,805		Value = Collection<<T as frame_system::Config>::AccountId>,806		QueryKind = OptionQuery,807	>;808809	/// Storage of collection properties.810	#[pallet::storage]811	#[pallet::getter(fn collection_properties)]812	pub type CollectionProperties<T> = StorageMap<813		Hasher = Blake2_128Concat,814		Key = CollectionId,815		Value = CollectionPropertiesT,816		QueryKind = ValueQuery,817	>;818819	/// Storage of token property permissions of a collection.820	#[pallet::storage]821	#[pallet::getter(fn property_permissions)]822	pub type CollectionPropertyPermissions<T> = StorageMap<823		Hasher = Blake2_128Concat,824		Key = CollectionId,825		Value = PropertiesPermissionMap,826		QueryKind = ValueQuery,827	>;828829	/// Storage of the amount of collection admins.830	#[pallet::storage]831	pub type AdminAmount<T> = StorageMap<832		Hasher = Blake2_128Concat,833		Key = CollectionId,834		Value = u32,835		QueryKind = ValueQuery,836	>;837838	/// List of collection admins.839	#[pallet::storage]840	pub type IsAdmin<T: Config> = StorageNMap<841		Key = (842			Key<Blake2_128Concat, CollectionId>,843			Key<Blake2_128Concat, T::CrossAccountId>,844		),845		Value = bool,846		QueryKind = ValueQuery,847	>;848849	/// Allowlisted collection users.850	#[pallet::storage]851	pub type Allowlist<T: Config> = StorageNMap<852		Key = (853			Key<Blake2_128Concat, CollectionId>,854			Key<Blake2_128Concat, T::CrossAccountId>,855		),856		Value = bool,857		QueryKind = ValueQuery,858	>;859860	/// Not used by code, exists only to provide some types to metadata.861	#[pallet::storage]862	pub type DummyStorageValue<T: Config> = StorageValue<863		Value = (864			CollectionStats,865			CollectionId,866			TokenId,867			TokenChild,868			PhantomType<(869				TokenData<T::CrossAccountId>,870				RpcCollection<T::AccountId>,871				// PoV Estimate Info872				PovInfo,873			)>,874		),875		QueryKind = OptionQuery,876	>;877}878879enum LazyValueState<'a, T> {880	Pending(Box<dyn FnOnce() -> T + 'a>),881	InProgress,882	Computed(T),883}884885/// Value representation with delayed initialization time.886pub struct LazyValue<'a, T> {887	state: LazyValueState<'a, T>,888}889890impl<'a, T> LazyValue<'a, T> {891	/// Create a new LazyValue.892	pub fn new(f: impl FnOnce() -> T + 'a) -> Self {893		Self {894			state: LazyValueState::Pending(Box::new(f)),895		}896	}897898	/// Get the value. If it is called the first time, the value will be initialized.899	pub fn value(&mut self) -> &T {900		self.force_value();901		self.value_mut()902	}903904	/// Get the value. If it is called the first time, the value will be initialized.905	pub fn value_mut(&mut self) -> &mut T {906		self.force_value();907908		if let LazyValueState::Computed(value) = &mut self.state {909			value910		} else {911			unreachable!()912		}913	}914915	fn into_inner(mut self) -> T {916		self.force_value();917		if let LazyValueState::Computed(value) = self.state {918			value919		} else {920			unreachable!()921		}922	}923924	/// Is value initialized?925	pub fn has_value(&self) -> bool {926		matches!(self.state, LazyValueState::Computed(_))927	}928929	fn force_value(&mut self) {930		use LazyValueState::*;931932		if self.has_value() {933			return;934		}935936		match sp_std::mem::replace(&mut self.state, InProgress) {937			Pending(f) => self.state = Computed(f()),938			_ => panic!("recursion isn't supported"),939		}940	}941}942943fn check_token_permissions<T: Config>(944	collection_admin_permitted: bool,945	token_owner_permitted: bool,946	is_collection_admin: &mut LazyValue<bool>,947	is_token_owner: &mut LazyValue<Result<bool, DispatchError>>,948	is_token_exist: &mut LazyValue<bool>,949) -> DispatchResult {950	if !(collection_admin_permitted && *is_collection_admin.value()951		|| token_owner_permitted && (*is_token_owner.value())?)952	{953		fail!(<Error<T>>::NoPermission);954	}955956	let token_exist_due_to_owner_check_success =957		is_token_owner.has_value() && (*is_token_owner.value())?;958959	// If the token owner check has occurred and succeeded,960	// we know the token exists (otherwise, the owner check must fail).961	if !token_exist_due_to_owner_check_success {962		// If the token owner check didn't occur,963		// we must check the token's existence ourselves.964		if !is_token_exist.value() {965			fail!(<Error<T>>::TokenNotFound);966		}967	}968969	Ok(())970}971972impl<T: Config> Pallet<T> {973	/// Enshure that receiver address is correct.974	///975	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens.976	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {977		ensure!(978			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,979			<Error<T>>::AddressIsZero980		);981		Ok(())982	}983984	/// Get a vector of collection admins.985	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {986		<IsAdmin<T>>::iter_prefix((collection,))987			.map(|(a, _)| a)988			.collect()989	}990991	/// Get a vector of users allowed to mint tokens.992	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {993		<Allowlist<T>>::iter_prefix((collection,))994			.map(|(a, _)| a)995			.collect()996	}997998	/// Is `user` allowed to mint token in `collection`.999	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {1000		<Allowlist<T>>::get((collection, user))1001	}10021003	/// Get statistics of collections.1004	pub fn collection_stats() -> CollectionStats {1005		let created = <CreatedCollectionCount<T>>::get();1006		let destroyed = <DestroyedCollectionCount<T>>::get();1007		CollectionStats {1008			created: created.0,1009			destroyed: destroyed.0,1010			alive: created.0 - destroyed.0,1011		}1012	}10131014	/// Get the effective limits for the collection.1015	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {1016		let collection = <CollectionById<T>>::get(collection)?;1017		let limits = collection.limits;1018		let effective_limits = CollectionLimits {1019			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),1020			sponsored_data_size: Some(limits.sponsored_data_size()),1021			sponsored_data_rate_limit: Some(1022				limits1023					.sponsored_data_rate_limit1024					.unwrap_or(SponsoringRateLimit::SponsoringDisabled),1025			),1026			token_limit: Some(limits.token_limit()),1027			sponsor_transfer_timeout: Some(limits.sponsor_transfer_timeout(1028				match collection.mode {1029					CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,1030					CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1031					CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1032				},1033			)),1034			sponsor_approve_timeout: Some(limits.sponsor_approve_timeout()),1035			owner_can_transfer: Some(limits.owner_can_transfer()),1036			owner_can_destroy: Some(limits.owner_can_destroy()),1037			transfers_enabled: Some(limits.transfers_enabled()),1038		};10391040		Some(effective_limits)1041	}10421043	/// Returns information about the `collection` adapted for rpc.1044	pub fn rpc_collection(collection: CollectionId) -> Option<RpcCollection<T::AccountId>> {1045		let Collection {1046			name,1047			description,1048			owner,1049			mode,1050			token_prefix,1051			sponsorship,1052			limits,1053			permissions,1054			flags,1055		} = <CollectionById<T>>::get(collection)?;10561057		let token_property_permissions = <CollectionPropertyPermissions<T>>::get(collection)1058			.into_iter()1059			.map(|(key, permission)| PropertyKeyPermission { key, permission })1060			.collect();10611062		let properties = <CollectionProperties<T>>::get(collection)1063			.into_iter()1064			.map(|(key, value)| Property { key, value })1065			.collect();10661067		let permissions = CollectionPermissions {1068			access: Some(permissions.access()),1069			mint_mode: Some(permissions.mint_mode()),1070			nesting: Some(permissions.nesting().clone()),1071		};10721073		Some(RpcCollection {1074			name: name.into_inner(),1075			description: description.into_inner(),1076			owner,1077			mode,1078			token_prefix: token_prefix.into_inner(),1079			sponsorship,1080			limits,1081			permissions,1082			token_property_permissions,1083			properties,1084			read_only: flags.external,10851086			flags: RpcCollectionFlags {1087				foreign: flags.foreign,1088				erc721metadata: flags.erc721metadata,1089			},1090		})1091	}1092}10931094macro_rules! limit_default {1095	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{1096		$(1097			if let Some($new) = $new.$field {1098				let $old = $old.$field($($arg)?);1099				let _ = $new;1100				let _ = $old;1101				$check1102			} else {1103				$new.$field = $old.$field1104			}1105		)*1106	}};1107}1108macro_rules! limit_default_clone {1109	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{1110		$(1111			if let Some($new) = $new.$field.clone() {1112				let $old = $old.$field($($arg)?);1113				let _ = $new;1114				let _ = $old;1115				$check1116			} else {1117				$new.$field = $old.$field.clone()1118			}1119		)*1120	}};1121}11221123impl<T: Config> Pallet<T> {1124	/// Create new collection.1125	///1126	/// * `owner` - The owner of the collection.1127	/// * `data` - Description of the created collection.1128	/// * `flags` - Extra flags to store.1129	pub fn init_collection(1130		owner: T::CrossAccountId,1131		payer: T::CrossAccountId,1132		data: CreateCollectionData<T::CrossAccountId>,1133	) -> Result<CollectionId, DispatchError> {1134		ensure!(data.flags.is_allowed_for_user(), <Error<T>>::NoPermission);1135		Self::init_collection_internal(owner, payer, data)1136	}11371138	/// Initializes the collection with ForeignCollection flag. Returns [CollectionId] on success, [DispatchError] otherwise.1139	pub fn init_foreign_collection(1140		owner: T::CrossAccountId,1141		payer: T::CrossAccountId,1142		mut data: CreateCollectionData<T::CrossAccountId>,1143	) -> Result<CollectionId, DispatchError> {1144		data.flags.foreign = true;1145		let id = Self::init_collection_internal(owner, payer, data)?;1146		Ok(id)1147	}11481149	fn init_collection_internal(1150		owner: T::CrossAccountId,1151		payer: T::CrossAccountId,1152		data: CreateCollectionData<T::CrossAccountId>,1153	) -> Result<CollectionId, DispatchError> {1154		{1155			ensure!(1156				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,1157				Error::<T>::CollectionTokenPrefixLimitExceeded1158			);1159		}11601161		let created_count = <CreatedCollectionCount<T>>::get()1162			.01163			.checked_add(1)1164			.ok_or(ArithmeticError::Overflow)?;1165		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;1166		let id = CollectionId(created_count);11671168		// bound Total number of collections1169		ensure!(1170			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,1171			<Error<T>>::TotalCollectionsLimitExceeded1172		);11731174		// =========11751176		let collection = Collection {1177			owner: owner.as_sub().clone(),1178			name: data.name,1179			mode: data.mode.clone(),1180			description: data.description,1181			token_prefix: data.token_prefix,1182			sponsorship: data1183				.pending_sponsor1184				.map(|sponsor| SponsorshipState::Unconfirmed(sponsor.as_sub().clone()))1185				.unwrap_or_default(),1186			limits: data1187				.limits1188				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))1189				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,1190			permissions: data1191				.permissions1192				.map(|permissions| {1193					Self::clamp_permissions(data.mode.clone(), &Default::default(), permissions)1194				})1195				.unwrap_or_else(|| Ok(CollectionPermissions::default()))?,1196			flags: data.flags,1197		};11981199		let mut collection_properties = CollectionPropertiesT::new();1200		collection_properties1201			.try_set_from_iter(data.properties.into_iter())1202			.map_err(<Error<T>>::from)?;12031204		CollectionProperties::<T>::insert(id, collection_properties);12051206		let mut token_props_permissions = PropertiesPermissionMap::new();1207		token_props_permissions1208			.try_set_from_iter(data.token_property_permissions.into_iter())1209			.map_err(<Error<T>>::from)?;12101211		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);12121213		let mut admin_amount = 0u32;1214		for admin in data.admin_list.iter() {1215			if !<IsAdmin<T>>::get((id, admin)) {1216				<IsAdmin<T>>::insert((id, admin), true);1217				admin_amount = admin_amount1218					.checked_add(1)1219					.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;1220			}1221		}1222		ensure!(1223			admin_amount <= Self::collection_admins_limit(),1224			<Error<T>>::CollectionAdminCountExceeded,1225		);1226		<AdminAmount<T>>::insert(id, admin_amount);12271228		// Take a (non-refundable) deposit of collection creation1229		{1230			let mut imbalance = <Debt<T::AccountId, <T as Config>::Currency>>::zero();1231			imbalance.subsume(<T as Config>::Currency::deposit(1232				&T::TreasuryAccountId::get(),1233				T::CollectionCreationPrice::get(),1234				Precision::Exact,1235			)?);1236			let credit =1237				<T as Config>::Currency::settle(payer.as_sub(), imbalance, Preservation::Preserve)1238					.map_err(|_| Error::<T>::NotSufficientFounds)?;12391240			debug_assert!(credit.peek().is_zero())1241		}12421243		<CreatedCollectionCount<T>>::put(created_count);1244		<Pallet<T>>::deposit_event(Event::CollectionCreated(1245			id,1246			data.mode.id(),1247			owner.as_sub().clone(),1248		));1249		<PalletEvm<T>>::deposit_log(1250			erc::CollectionHelpersEvents::CollectionCreated {1251				owner: *owner.as_eth(),1252				collection_id: eth::collection_id_to_address(id),1253			}1254			.to_log(T::ContractAddress::get()),1255		);1256		<CollectionById<T>>::insert(id, collection);1257		Ok(id)1258	}12591260	/// Destroy collection.1261	///1262	/// * `collection` - Collection handler.1263	/// * `sender` - The owner or administrator of the collection.1264	pub fn destroy_collection(1265		collection: CollectionHandle<T>,1266		sender: &T::CrossAccountId,1267	) -> DispatchResult {1268		ensure!(1269			collection.limits.owner_can_destroy(),1270			<Error<T>>::NoPermission,1271		);1272		collection.check_is_owner(sender)?;12731274		let destroyed_collections = <DestroyedCollectionCount<T>>::get()1275			.01276			.checked_add(1)1277			.ok_or(ArithmeticError::Overflow)?;12781279		// =========12801281		<DestroyedCollectionCount<T>>::put(destroyed_collections);1282		<CollectionById<T>>::remove(collection.id);1283		<AdminAmount<T>>::remove(collection.id);1284		let _ = <IsAdmin<T>>::clear_prefix((collection.id,), u32::MAX, None);1285		let _ = <Allowlist<T>>::clear_prefix((collection.id,), u32::MAX, None);1286		<CollectionProperties<T>>::remove(collection.id);12871288		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));12891290		<PalletEvm<T>>::deposit_log(1291			erc::CollectionHelpersEvents::CollectionDestroyed {1292				collection_id: eth::collection_id_to_address(collection.id),1293			}1294			.to_log(T::ContractAddress::get()),1295		);1296		Ok(())1297	}12981299	/// This function sets or removes a collection properties according to1300	/// `properties_updates` contents:1301	/// * sets a property under the <key> with the value provided `(<key>, Some(<value>))`1302	/// * removes a property under the <key> if the value is `None` `(<key>, None)`.1303	///1304	/// This function fires an event for each property change.1305	/// In case of an error, all the changes (including the events) will be reverted1306	/// since the function is transactional.1307	#[transactional]1308	fn modify_collection_properties(1309		collection: &CollectionHandle<T>,1310		sender: &T::CrossAccountId,1311		properties_updates: impl Iterator<Item = (PropertyKey, Option<PropertyValue>)>,1312	) -> DispatchResult {1313		collection.check_is_owner_or_admin(sender)?;13141315		let mut stored_properties = <CollectionProperties<T>>::get(collection.id);13161317		for (key, value) in properties_updates {1318			match value {1319				Some(value) => {1320					stored_properties1321						.try_set(key.clone(), value)1322						.map_err(<Error<T>>::from)?;13231324					Self::deposit_event(Event::CollectionPropertySet(collection.id, key));1325					<PalletEvm<T>>::deposit_log(1326						erc::CollectionHelpersEvents::CollectionChanged {1327							collection_id: eth::collection_id_to_address(collection.id),1328						}1329						.to_log(T::ContractAddress::get()),1330					);1331				}1332				None => {1333					stored_properties.remove(&key).map_err(<Error<T>>::from)?;13341335					Self::deposit_event(Event::CollectionPropertyDeleted(collection.id, key));1336					<PalletEvm<T>>::deposit_log(1337						erc::CollectionHelpersEvents::CollectionChanged {1338							collection_id: eth::collection_id_to_address(collection.id),1339						}1340						.to_log(T::ContractAddress::get()),1341					);1342				}1343			}1344		}13451346		<CollectionProperties<T>>::set(collection.id, stored_properties);13471348		Ok(())1349	}13501351	/// Sets or unsets the approval of a given operator.1352	///1353	/// The `operator` is allowed to transfer all token pieces of the `owner` on their behalf.1354	/// - `owner`: Token owner1355	/// - `operator`: Operator1356	/// - `approve`: Should operator status be granted or revoked?1357	pub fn set_allowance_for_all(1358		collection: &CollectionHandle<T>,1359		owner: &T::CrossAccountId,1360		operator: &T::CrossAccountId,1361		approve: bool,1362		set_allowance: impl FnOnce(),1363		log: evm_coder::ethereum::Log,1364	) -> DispatchResult {1365		if collection.permissions.access() == AccessMode::AllowList {1366			collection.check_allowlist(owner)?;1367			collection.check_allowlist(operator)?;1368		}13691370		Self::ensure_correct_receiver(operator)?;13711372		set_allowance();13731374		<PalletEvm<T>>::deposit_log(log);1375		Self::deposit_event(Event::ApprovedForAll(1376			collection.id,1377			owner.clone(),1378			operator.clone(),1379			approve,1380		));1381		Ok(())1382	}13831384	/// Set collection property.1385	///1386	/// * `collection` - Collection handler.1387	/// * `sender` - The owner or administrator of the collection.1388	/// * `property` - The property to set.1389	pub fn set_collection_property(1390		collection: &CollectionHandle<T>,1391		sender: &T::CrossAccountId,1392		property: Property,1393	) -> DispatchResult {1394		Self::set_collection_properties(collection, sender, [property].into_iter())1395	}13961397	/// Set a scoped collection property, where the scope is a special prefix1398	/// prohibiting a user access to change the property directly.1399	///1400	/// * `collection_id` - ID of the collection for which the property is being set.1401	/// * `scope` - Property scope.1402	/// * `property` - The property to set.1403	pub fn set_scoped_collection_property(1404		collection_id: CollectionId,1405		scope: PropertyScope,1406		property: Property,1407	) -> DispatchResult {1408		CollectionProperties::<T>::try_mutate(collection_id, |properties| {1409			properties.try_scoped_set(scope, property.key, property.value)1410		})1411		.map_err(<Error<T>>::from)?;14121413		Ok(())1414	}14151416	/// Set scoped collection properties, where the scope is a special prefix1417	/// prohibiting a user access to change the properties directly.1418	///1419	/// * `collection_id` - ID of the collection for which the properties is being set.1420	/// * `scope` - Property scope.1421	/// * `properties` - The properties to set.1422	pub fn set_scoped_collection_properties(1423		collection_id: CollectionId,1424		scope: PropertyScope,1425		properties: impl Iterator<Item = Property>,1426	) -> DispatchResult {1427		CollectionProperties::<T>::try_mutate(collection_id, |stored_properties| {1428			stored_properties.try_scoped_set_from_iter(scope, properties)1429		})1430		.map_err(<Error<T>>::from)?;14311432		Ok(())1433	}14341435	/// Set collection properties.1436	///1437	/// * `collection` - Collection handler.1438	/// * `sender` - The owner or administrator of the collection.1439	/// * `properties` - The properties to set.1440	pub fn set_collection_properties(1441		collection: &CollectionHandle<T>,1442		sender: &T::CrossAccountId,1443		properties: impl Iterator<Item = Property>,1444	) -> DispatchResult {1445		Self::modify_collection_properties(1446			collection,1447			sender,1448			properties.map(|property| (property.key, Some(property.value))),1449		)1450	}14511452	/// Delete collection property.1453	///1454	/// * `collection` - Collection handler.1455	/// * `sender` - The owner or administrator of the collection.1456	/// * `property` - The property to delete.1457	pub fn delete_collection_property(1458		collection: &CollectionHandle<T>,1459		sender: &T::CrossAccountId,1460		property_key: PropertyKey,1461	) -> DispatchResult {1462		Self::delete_collection_properties(collection, sender, [property_key].into_iter())1463	}14641465	/// Delete collection properties.1466	///1467	/// * `collection` - Collection handler.1468	/// * `sender` - The owner or administrator of the collection.1469	/// * `properties` - The properties to delete.1470	pub fn delete_collection_properties(1471		collection: &CollectionHandle<T>,1472		sender: &T::CrossAccountId,1473		property_keys: impl Iterator<Item = PropertyKey>,1474	) -> DispatchResult {1475		Self::modify_collection_properties(collection, sender, property_keys.map(|key| (key, None)))1476	}14771478	/// Set collection propetry permission without any checks.1479	///1480	/// Used for migrations.1481	///1482	/// * `collection` - Collection handler.1483	/// * `property_permissions` - Property permissions.1484	pub fn set_property_permission_unchecked(1485		collection: CollectionId,1486		property_permission: PropertyKeyPermission,1487	) -> DispatchResult {1488		<CollectionPropertyPermissions<T>>::try_mutate(collection, |permissions| {1489			permissions.try_set(property_permission.key, property_permission.permission)1490		})1491		.map_err(<Error<T>>::from)?;1492		Ok(())1493	}14941495	/// Set collection property permission.1496	///1497	/// * `collection` - Collection handler.1498	/// * `sender` - The owner or administrator of the collection.1499	/// * `property_permission` - Property permission.1500	pub fn set_property_permission(1501		collection: &CollectionHandle<T>,1502		sender: &T::CrossAccountId,1503		property_permission: PropertyKeyPermission,1504	) -> DispatchResult {1505		Self::set_scoped_property_permission(1506			collection,1507			sender,1508			PropertyScope::None,1509			property_permission,1510		)1511	}15121513	/// Set collection property permission with scope.1514	///1515	/// * `collection` - Collection handler.1516	/// * `sender` - The owner or administrator of the collection.1517	/// * `scope` - Property scope.1518	/// * `property_permission` - Property permission.1519	pub fn set_scoped_property_permission(1520		collection: &CollectionHandle<T>,1521		sender: &T::CrossAccountId,1522		scope: PropertyScope,1523		property_permission: PropertyKeyPermission,1524	) -> DispatchResult {1525		collection.check_is_owner_or_admin(sender)?;15261527		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);1528		let current_permission = all_permissions.get(&property_permission.key);1529		if matches![1530			current_permission,1531			Some(PropertyPermission { mutable: false, .. })1532		] {1533			return Err(<Error<T>>::NoPermission.into());1534		}15351536		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {1537			let property_permission = property_permission.clone();1538			permissions.try_scoped_set(1539				scope,1540				property_permission.key,1541				property_permission.permission,1542			)1543		})1544		.map_err(<Error<T>>::from)?;15451546		Self::deposit_event(Event::PropertyPermissionSet(1547			collection.id,1548			property_permission.key,1549		));1550		<PalletEvm<T>>::deposit_log(1551			erc::CollectionHelpersEvents::CollectionChanged {1552				collection_id: eth::collection_id_to_address(collection.id),1553			}1554			.to_log(T::ContractAddress::get()),1555		);15561557		Ok(())1558	}15591560	/// Set token property permission.1561	///1562	/// * `collection` - Collection handler.1563	/// * `sender` - The owner or administrator of the collection.1564	/// * `property_permissions` - Property permissions.1565	#[transactional]1566	pub fn set_token_property_permissions(1567		collection: &CollectionHandle<T>,1568		sender: &T::CrossAccountId,1569		property_permissions: Vec<PropertyKeyPermission>,1570	) -> DispatchResult {1571		Self::set_scoped_token_property_permissions(1572			collection,1573			sender,1574			PropertyScope::None,1575			property_permissions,1576		)1577	}15781579	/// Set token property permission with scope.1580	///1581	/// * `collection` - Collection handler.1582	/// * `sender` - The owner or administrator of the collection.1583	/// * `scope` - Property scope.1584	/// * `property_permissions` - Property permissions.1585	#[transactional]1586	pub fn set_scoped_token_property_permissions(1587		collection: &CollectionHandle<T>,1588		sender: &T::CrossAccountId,1589		scope: PropertyScope,1590		property_permissions: Vec<PropertyKeyPermission>,1591	) -> DispatchResult {1592		for prop_pemission in property_permissions {1593			Self::set_scoped_property_permission(collection, sender, scope, prop_pemission)?;1594		}15951596		Ok(())1597	}15981599	/// Get collection property.1600	pub fn get_collection_property(1601		collection_id: CollectionId,1602		key: &PropertyKey,1603	) -> Option<PropertyValue> {1604		Self::collection_properties(collection_id).get(key).cloned()1605	}16061607	/// Convert byte vector to property key vector.1608	pub fn bytes_keys_to_property_keys(1609		keys: Vec<Vec<u8>>,1610	) -> Result<Vec<PropertyKey>, DispatchError> {1611		keys.into_iter()1612			.map(|key| -> Result<PropertyKey, DispatchError> {1613				key.try_into()1614					.map_err(|_| <Error<T>>::PropertyKeyIsTooLong.into())1615			})1616			.collect::<Result<Vec<PropertyKey>, DispatchError>>()1617	}16181619	/// Get properties according to given keys.1620	pub fn filter_collection_properties(1621		collection_id: CollectionId,1622		keys: Option<Vec<PropertyKey>>,1623	) -> Result<Vec<Property>, DispatchError> {1624		let properties = Self::collection_properties(collection_id);16251626		let properties = keys1627			.map(|keys| {1628				keys.into_iter()1629					.filter_map(|key| {1630						properties.get(&key).map(|value| Property {1631							key,1632							value: value.clone(),1633						})1634					})1635					.collect()1636			})1637			.unwrap_or_else(|| {1638				properties1639					.into_iter()1640					.map(|(key, value)| Property { key, value })1641					.collect()1642			});16431644		Ok(properties)1645	}16461647	/// Get property permissions according to given keys.1648	pub fn filter_property_permissions(1649		collection_id: CollectionId,1650		keys: Option<Vec<PropertyKey>>,1651	) -> Result<Vec<PropertyKeyPermission>, DispatchError> {1652		let permissions = Self::property_permissions(collection_id);16531654		let key_permissions = keys1655			.map(|keys| {1656				keys.into_iter()1657					.filter_map(|key| {1658						permissions1659							.get(&key)1660							.map(|permission| PropertyKeyPermission {1661								key,1662								permission: permission.clone(),1663							})1664					})1665					.collect()1666			})1667			.unwrap_or_else(|| {1668				permissions1669					.into_iter()1670					.map(|(key, permission)| PropertyKeyPermission { key, permission })1671					.collect()1672			});16731674		Ok(key_permissions)1675	}16761677	/// Toggle `user` participation in the `collection`'s allow list.1678	/// #### Store read/writes1679	/// 1 writes1680	pub fn toggle_allowlist(1681		collection: &CollectionHandle<T>,1682		sender: &T::CrossAccountId,1683		user: &T::CrossAccountId,1684		allowed: bool,1685	) -> DispatchResult {1686		collection.check_is_owner_or_admin(sender)?;16871688		// =========16891690		if allowed {1691			<Allowlist<T>>::insert((collection.id, user), true);1692			Self::deposit_event(Event::<T>::AllowListAddressAdded(1693				collection.id,1694				user.clone(),1695			));1696		} else {1697			<Allowlist<T>>::remove((collection.id, user));1698			Self::deposit_event(Event::<T>::AllowListAddressRemoved(1699				collection.id,1700				user.clone(),1701			));1702		}17031704		<PalletEvm<T>>::deposit_log(1705			erc::CollectionHelpersEvents::CollectionChanged {1706				collection_id: eth::collection_id_to_address(collection.id),1707			}1708			.to_log(T::ContractAddress::get()),1709		);17101711		Ok(())1712	}17131714	/// Toggle `user` participation in the `collection`'s admin list.1715	/// #### Store read/writes1716	/// 2 reads, 2 writes1717	pub fn toggle_admin(1718		collection: &CollectionHandle<T>,1719		sender: &T::CrossAccountId,1720		user: &T::CrossAccountId,1721		admin: bool,1722	) -> DispatchResult {1723		collection.check_is_internal()?;1724		collection.check_is_owner(sender)?;17251726		let is_admin = <IsAdmin<T>>::get((collection.id, user));1727		if is_admin == admin {1728			if admin {1729				return Ok(());1730			} else {1731				return Err(Error::<T>::UserIsNotCollectionAdmin.into());1732			}1733		}1734		let amount = <AdminAmount<T>>::get(collection.id);17351736		// =========17371738		if admin {1739			let amount = amount1740				.checked_add(1)1741				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;1742			ensure!(1743				amount <= Self::collection_admins_limit(),1744				<Error<T>>::CollectionAdminCountExceeded,1745			);17461747			<AdminAmount<T>>::insert(collection.id, amount);1748			<IsAdmin<T>>::insert((collection.id, user), true);17491750			Self::deposit_event(Event::<T>::CollectionAdminAdded(1751				collection.id,1752				user.clone(),1753			));1754		} else {1755			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));1756			<IsAdmin<T>>::remove((collection.id, user));17571758			Self::deposit_event(Event::<T>::CollectionAdminRemoved(1759				collection.id,1760				user.clone(),1761			));1762		}17631764		<PalletEvm<T>>::deposit_log(1765			erc::CollectionHelpersEvents::CollectionChanged {1766				collection_id: eth::collection_id_to_address(collection.id),1767			}1768			.to_log(T::ContractAddress::get()),1769		);17701771		Ok(())1772	}17731774	/// Update collection limits.1775	pub fn update_limits(1776		user: &T::CrossAccountId,1777		collection: &mut CollectionHandle<T>,1778		new_limit: CollectionLimits,1779	) -> DispatchResult {1780		collection.check_is_internal()?;1781		collection.check_is_owner_or_admin(user)?;17821783		collection.limits =1784			Self::clamp_limits(collection.mode.clone(), &collection.limits, new_limit)?;17851786		Self::deposit_event(Event::<T>::CollectionLimitSet(collection.id));1787		<PalletEvm<T>>::deposit_log(1788			erc::CollectionHelpersEvents::CollectionChanged {1789				collection_id: eth::collection_id_to_address(collection.id),1790			}1791			.to_log(T::ContractAddress::get()),1792		);17931794		collection.save()1795	}17961797	/// Merge set fields from `new_limit` to `old_limit`.1798	fn clamp_limits(1799		mode: CollectionMode,1800		old_limit: &CollectionLimits,1801		mut new_limit: CollectionLimits,1802	) -> Result<CollectionLimits, DispatchError> {1803		let limits = old_limit;1804		limit_default!(old_limit, new_limit,1805			account_token_ownership_limit => ensure!(1806				new_limit <= MAX_TOKEN_OWNERSHIP,1807				<Error<T>>::CollectionLimitBoundsExceeded,1808			),1809			sponsored_data_size => ensure!(1810				new_limit <= CUSTOM_DATA_LIMIT,1811				<Error<T>>::CollectionLimitBoundsExceeded,1812			),18131814			sponsored_data_rate_limit => {},1815			token_limit => ensure!(1816				old_limit >= new_limit && new_limit > 0,1817				<Error<T>>::CollectionTokenLimitExceeded1818			),18191820			sponsor_transfer_timeout(match mode {1821				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,1822				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1823				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1824			}) => ensure!(1825				new_limit <= MAX_SPONSOR_TIMEOUT,1826				<Error<T>>::CollectionLimitBoundsExceeded,1827			),1828			sponsor_approve_timeout => {},1829			owner_can_transfer => ensure!(1830				!limits.owner_can_transfer_instaled() ||1831				old_limit || !new_limit,1832				<Error<T>>::OwnerPermissionsCantBeReverted,1833			),1834			owner_can_destroy => ensure!(1835				old_limit || !new_limit,1836				<Error<T>>::OwnerPermissionsCantBeReverted,1837			),1838			transfers_enabled => {},1839		);1840		Ok(new_limit)1841	}18421843	/// Update collection permissions.1844	pub fn update_permissions(1845		user: &T::CrossAccountId,1846		collection: &mut CollectionHandle<T>,1847		new_permission: CollectionPermissions,1848	) -> DispatchResult {1849		collection.check_is_internal()?;1850		collection.check_is_owner_or_admin(user)?;1851		collection.permissions = Self::clamp_permissions(1852			collection.mode.clone(),1853			&collection.permissions,1854			new_permission,1855		)?;18561857		Self::deposit_event(Event::<T>::CollectionPermissionSet(collection.id));1858		<PalletEvm<T>>::deposit_log(1859			erc::CollectionHelpersEvents::CollectionChanged {1860				collection_id: eth::collection_id_to_address(collection.id),1861			}1862			.to_log(T::ContractAddress::get()),1863		);18641865		collection.save()1866	}18671868	/// Merge set fields from `new_permission` to `old_permission`.1869	fn clamp_permissions(1870		_mode: CollectionMode,1871		old_permission: &CollectionPermissions,1872		mut new_permission: CollectionPermissions,1873	) -> Result<CollectionPermissions, DispatchError> {1874		limit_default_clone!(old_permission, new_permission,1875			access => {},1876			mint_mode => {},1877			nesting => { /* todo check for permissive, if only it gets out of benchmarks */ },1878		);1879		Ok(new_permission)1880	}18811882	/// Repair possibly broken properties of a collection.1883	pub fn repair_collection(collection_id: CollectionId) -> DispatchResult {1884		CollectionProperties::<T>::mutate(collection_id, |properties| {1885			properties.recompute_consumed_space();1886		});18871888		Ok(())1889	}1890}18911892/// Indicates unsupported methods by returning [Error::UnsupportedOperation].1893#[macro_export]1894macro_rules! unsupported {1895	($runtime:path) => {1896		Err($crate::Error::<$runtime>::UnsupportedOperation.into())1897	};1898}18991900/// Return weights for various worst-case operations.1901pub trait CommonWeightInfo<CrossAccountId> {1902	/// Weight of item creation.1903	fn create_item(data: &CreateItemData) -> Weight {1904		Self::create_multiple_items(from_ref(data))1905	}19061907	/// Weight of items creation.1908	fn create_multiple_items(amount: &[CreateItemData]) -> Weight;19091910	/// Weight of items creation.1911	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;19121913	/// The weight of the burning item.1914	fn burn_item() -> Weight;19151916	/// Property setting weight.1917	///1918	/// * `amount`- The number of properties to set.1919	fn set_collection_properties(amount: u32) -> Weight;19201921	/// Collection property deletion weight.1922	///1923	/// * `amount`- The number of properties to set.1924	fn delete_collection_properties(amount: u32) -> Weight {1925		Self::set_collection_properties(amount)1926	}19271928	/// Token property setting weight.1929	///1930	/// * `amount`- The number of properties to set.1931	fn set_token_properties(amount: u32) -> Weight;19321933	/// Token property deletion weight.1934	///1935	/// * `amount`- The number of properties to delete.1936	fn delete_token_properties(amount: u32) -> Weight {1937		Self::set_token_properties(amount)1938	}19391940	/// Token property permissions set weight.1941	///1942	/// * `amount`- The number of property permissions to set.1943	fn set_token_property_permissions(amount: u32) -> Weight;19441945	/// Transfer price of the token or its parts.1946	fn transfer() -> Weight;19471948	/// The price of setting the permission of the operation from another user.1949	fn approve() -> Weight;19501951	/// The price of setting the permission of the operation from another user for eth mirror.1952	fn approve_from() -> Weight;19531954	/// Transfer price from another user.1955	fn transfer_from() -> Weight;19561957	/// The price of burning a token from another user.1958	fn burn_from() -> Weight;19591960	/// The price of setting approval for all1961	fn set_allowance_for_all() -> Weight;19621963	/// The price of repairing an item.1964	fn force_repair_item() -> Weight;1965}19661967/// Weight info extension trait for refungible pallet.1968pub trait RefungibleExtensionsWeightInfo {1969	/// Weight of token repartition.1970	fn repartition() -> Weight;1971}19721973/// Common collection operations.1974///1975/// It wraps methods in Fungible, Nonfungible and Refungible pallets1976/// and adds weight info.1977pub trait CommonCollectionOperations<T: Config> {1978	/// Create token.1979	///1980	/// * `sender` - The user who mint the token and pays for the transaction.1981	/// * `to` - The user who will own the token.1982	/// * `data` - Token data.1983	/// * `nesting_budget` - A budget that can be spent on nesting tokens.1984	fn create_item(1985		&self,1986		sender: T::CrossAccountId,1987		to: T::CrossAccountId,1988		data: CreateItemData,1989		nesting_budget: &dyn Budget,1990	) -> DispatchResultWithPostInfo;19911992	/// Create multiple tokens.1993	///1994	/// * `sender` - The user who mint the token and pays for the transaction.1995	/// * `to` - The user who will own the token.1996	/// * `data` - Token data.1997	/// * `nesting_budget` - A budget that can be spent on nesting tokens.1998	fn create_multiple_items(1999		&self,2000		sender: T::CrossAccountId,2001		to: T::CrossAccountId,2002		data: Vec<CreateItemData>,2003		nesting_budget: &dyn Budget,2004	) -> DispatchResultWithPostInfo;20052006	/// Create multiple tokens.2007	///2008	/// * `sender` - The user who mint the token and pays for the transaction.2009	/// * `to` - The user who will own the token.2010	/// * `data` - Token data.2011	/// * `nesting_budget` - A budget that can be spent on nesting tokens.2012	fn create_multiple_items_ex(2013		&self,2014		sender: T::CrossAccountId,2015		data: CreateItemExData<T::CrossAccountId>,2016		nesting_budget: &dyn Budget,2017	) -> DispatchResultWithPostInfo;20182019	/// Burn token.2020	///2021	/// * `sender` - The user who owns the token.2022	/// * `token` - Token id that will burned.2023	/// * `amount` - The number of parts of the token that will be burned.2024	fn burn_item(2025		&self,2026		sender: T::CrossAccountId,2027		token: TokenId,2028		amount: u128,2029	) -> DispatchResultWithPostInfo;20302031	/// Set collection properties.2032	///2033	/// * `sender` - Must be either the owner of the collection or its admin.2034	/// * `properties` - Properties to be set.2035	fn set_collection_properties(2036		&self,2037		sender: T::CrossAccountId,2038		properties: Vec<Property>,2039	) -> DispatchResultWithPostInfo;20402041	/// Delete collection properties.2042	///2043	/// * `sender` - Must be either the owner of the collection or its admin.2044	/// * `properties` - The properties to be removed.2045	fn delete_collection_properties(2046		&self,2047		sender: &T::CrossAccountId,2048		property_keys: Vec<PropertyKey>,2049	) -> DispatchResultWithPostInfo;20502051	/// Set token properties.2052	///2053	/// The appropriate [`PropertyPermission`] for the token property2054	/// must be set with [`Self::set_token_property_permissions`].2055	///2056	/// * `sender` - Must be either the owner of the token or its admin.2057	/// * `token_id` - The token for which the properties are being set.2058	/// * `properties` - Properties to be set.2059	/// * `budget` - Budget for setting properties.2060	fn set_token_properties(2061		&self,2062		sender: T::CrossAccountId,2063		token_id: TokenId,2064		properties: Vec<Property>,2065		budget: &dyn Budget,2066	) -> DispatchResultWithPostInfo;20672068	/// Remove token properties.2069	///2070	/// The appropriate [`PropertyPermission`] for the token property2071	/// must be set with [`Self::set_token_property_permissions`].2072	///2073	/// * `sender` - Must be either the owner of the token or its admin.2074	/// * `token_id` - The token for which the properties are being remove.2075	/// * `property_keys` - Keys to remove corresponding properties.2076	/// * `budget` - Budget for removing properties.2077	fn delete_token_properties(2078		&self,2079		sender: T::CrossAccountId,2080		token_id: TokenId,2081		property_keys: Vec<PropertyKey>,2082		budget: &dyn Budget,2083	) -> DispatchResultWithPostInfo;20842085	/// Get token properties raw map.2086	///2087	/// * `token_id` - The token which properties are needed.2088	fn get_token_properties_raw(&self, token_id: TokenId) -> Option<TokenProperties>;20892090	/// Set token properties raw map.2091	///2092	/// * `token_id` - The token for which the properties are being set.2093	/// * `map` - The raw map containing the token's properties.2094	fn set_token_properties_raw(&self, token_id: TokenId, map: TokenProperties);20952096	/// Set token property permissions.2097	///2098	/// * `sender` - Must be either the owner of the token or its admin.2099	/// * `token_id` - The token for which the properties are being set.2100	/// * `property_permissions` - Property permissions to be set.2101	/// * `budget` - Budget for setting properties.2102	fn set_token_property_permissions(2103		&self,2104		sender: &T::CrossAccountId,2105		property_permissions: Vec<PropertyKeyPermission>,2106	) -> DispatchResultWithPostInfo;21072108	/// Transfer amount of token pieces.2109	///2110	/// * `sender` - Donor user.2111	/// * `to` - Recepient user.2112	/// * `token` - The token of which parts are being sent.2113	/// * `amount` - The number of parts of the token that will be transferred.2114	/// * `budget` - The maximum budget that can be spent on the transfer.2115	fn transfer(2116		&self,2117		sender: T::CrossAccountId,2118		to: T::CrossAccountId,2119		token: TokenId,2120		amount: u128,2121		budget: &dyn Budget,2122	) -> DispatchResultWithPostInfo;21232124	/// Grant access to another account to transfer parts of the token owned by the calling user via [Self::transfer_from].2125	///2126	/// * `sender` - The user who grants access to the token.2127	/// * `spender` - The user to whom the rights are granted.2128	/// * `token` - The token to which access is granted.2129	/// * `amount` - The amount of pieces that another user can dispose of.2130	fn approve(2131		&self,2132		sender: T::CrossAccountId,2133		spender: T::CrossAccountId,2134		token: TokenId,2135		amount: u128,2136	) -> DispatchResultWithPostInfo;21372138	/// Grant access to another account to transfer parts of the token owned by the calling user's eth mirror via [Self::transfer_from].2139	///2140	/// * `sender` - The user who grants access to the token.2141	/// * `from` - Spender's eth mirror.2142	/// * `to` - The user to whom the rights are granted.2143	/// * `token` - The token to which access is granted.2144	/// * `amount` - The amount of pieces that another user can dispose of.2145	fn approve_from(2146		&self,2147		sender: T::CrossAccountId,2148		from: T::CrossAccountId,2149		to: T::CrossAccountId,2150		token: TokenId,2151		amount: u128,2152	) -> DispatchResultWithPostInfo;21532154	/// Send parts of a token owned by another user.2155	///2156	/// Before calling this method, you must grant rights to the calling user via [`Self::approve`].2157	///2158	/// * `sender` - The user who must have access to the token (see [`Self::approve`]).2159	/// * `from` - The user who owns the token.2160	/// * `to` - Recepient user.2161	/// * `token` - The token of which parts are being sent.2162	/// * `amount` - The number of parts of the token that will be transferred.2163	/// * `budget` - The maximum budget that can be spent on the transfer.2164	fn transfer_from(2165		&self,2166		sender: T::CrossAccountId,2167		from: T::CrossAccountId,2168		to: T::CrossAccountId,2169		token: TokenId,2170		amount: u128,2171		budget: &dyn Budget,2172	) -> DispatchResultWithPostInfo;21732174	/// Burn parts of a token owned by another user.2175	///2176	/// Before calling this method, you must grant rights to the calling user via [`Self::approve`].2177	///2178	/// * `sender` - The user who must have access to the token (see [`Self::approve`]).2179	/// * `from` - The user who owns the token.2180	/// * `token` - The token of which parts are being sent.2181	/// * `amount` - The number of parts of the token that will be transferred.2182	/// * `budget` - The maximum budget that can be spent on the burn.2183	fn burn_from(2184		&self,2185		sender: T::CrossAccountId,2186		from: T::CrossAccountId,2187		token: TokenId,2188		amount: u128,2189		budget: &dyn Budget,2190	) -> DispatchResultWithPostInfo;21912192	/// Check permission to nest token.2193	///2194	/// * `sender` - The user who initiated the check.2195	/// * `from` - The token that is checked for embedding.2196	/// * `under` - Token under which to check.2197	/// * `budget` - The maximum budget that can be spent on the check.2198	fn check_nesting(2199		&self,2200		sender: &T::CrossAccountId,2201		from: (CollectionId, TokenId),2202		under: TokenId,2203		budget: &dyn Budget,2204	) -> DispatchResult;22052206	/// Nest one token into another.2207	///2208	/// * `under` - Token holder.2209	/// * `to_nest` - Nested token.2210	fn nest(&self, under: TokenId, to_nest: (CollectionId, TokenId));22112212	/// Unnest token.2213	///2214	/// * `under` - Token holder.2215	/// * `to_nest` - Token to unnest.2216	fn unnest(&self, under: TokenId, to_nest: (CollectionId, TokenId));22172218	/// Get all user tokens.2219	///2220	/// * `account` - Account for which you need to get tokens.2221	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;22222223	/// Get all the tokens in the collection.2224	fn collection_tokens(&self) -> Vec<TokenId>;22252226	/// Check if the token exists.2227	///2228	/// * `token` - Id token to check.2229	fn token_exists(&self, token: TokenId) -> bool;22302231	/// Get the id of the last minted token.2232	fn last_token_id(&self) -> TokenId;22332234	/// Get the owner of the token.2235	///2236	/// * `token` - The token for which you need to find out the owner.2237	fn token_owner(&self, token: TokenId) -> Result<T::CrossAccountId, TokenOwnerError>;22382239	/// Checks if the `maybe_owner` is the indirect owner of the `token`.2240	///2241	/// * `token` - Id token to check.2242	/// * `maybe_owner` - The account to check.2243	/// * `nesting_budget` - A budget that can be spent on nesting tokens.2244	fn check_token_indirect_owner(2245		&self,2246		token: TokenId,2247		maybe_owner: &T::CrossAccountId,2248		nesting_budget: &dyn Budget,2249	) -> Result<bool, DispatchError>;22502251	/// Returns 10 tokens owners in no particular order.2252	///2253	/// * `token` - The token for which you need to find out the owners.2254	fn token_owners(&self, token: TokenId) -> Vec<T::CrossAccountId>;22552256	/// Get the value of the token property by key.2257	///2258	/// * `token` - Token with the property to get.2259	/// * `key` - Property name.2260	fn token_property(&self, token_id: TokenId, key: &PropertyKey) -> Option<PropertyValue>;22612262	/// Get a set of token properties by key vector.2263	///2264	/// * `token` - Token with the property to get.2265	/// * `keys` - Vector of property keys. If this parameter is [None](sp_std::result::Result),2266	/// then all properties are returned.2267	fn token_properties(&self, token: TokenId, keys: Option<Vec<PropertyKey>>) -> Vec<Property>;22682269	/// Amount of unique collection tokens2270	fn total_supply(&self) -> u32;22712272	/// Amount of different tokens account has.2273	///2274	/// * `account` - The account for which need to get the balance.2275	fn account_balance(&self, account: T::CrossAccountId) -> u32;22762277	/// Amount of specific token account have.2278	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;22792280	/// Amount of token pieces2281	fn total_pieces(&self, token: TokenId) -> Option<u128>;22822283	/// Get the number of parts of the token that a trusted user can manage.2284	///2285	/// * `sender` - Trusted user.2286	/// * `spender` - Owner of the token.2287	/// * `token` - The token for which to get the value.2288	fn allowance(2289		&self,2290		sender: T::CrossAccountId,2291		spender: T::CrossAccountId,2292		token: TokenId,2293	) -> u128;22942295	/// Get extension for RFT collection.2296	fn refungible_extensions(&self) -> Option<&dyn RefungibleExtensions<T>>;22972298	/// The `operator` is allowed to transfer all tokens of the `owner` on their behalf.2299	/// * `owner` - Token owner2300	/// * `operator` - Operator2301	/// * `approve` - Should operator status be granted or revoked?2302	fn set_allowance_for_all(2303		&self,2304		owner: T::CrossAccountId,2305		operator: T::CrossAccountId,2306		approve: bool,2307	) -> DispatchResultWithPostInfo;23082309	/// Tells whether the given `owner` approves the `operator`.2310	fn allowance_for_all(&self, owner: T::CrossAccountId, operator: T::CrossAccountId) -> bool;23112312	/// Repairs a possibly broken item.2313	fn repair_item(&self, token: TokenId) -> DispatchResultWithPostInfo;2314}23152316/// Extension for RFT collection.2317pub trait RefungibleExtensions<T>2318where2319	T: Config,2320{2321	/// Change the number of parts of the token.2322	///2323	/// When the value changes down, this function is equivalent to burning parts of the token.2324	///2325	/// * `sender` - The user calling the repartition operation. Must be the owner of the token.2326	/// * `token` - The token for which you want to change the number of parts.2327	/// * `amount` - The new value of the parts of the token.2328	fn repartition(2329		&self,2330		sender: &T::CrossAccountId,2331		token: TokenId,2332		amount: u128,2333	) -> DispatchResultWithPostInfo;2334}23352336/// Merge [`DispatchResult`] with [`Weight`] into [`DispatchResultWithPostInfo`].2337///2338/// Used for [`CommonCollectionOperations`] implementations and flexible enough to do so.2339pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {2340	let post_info = PostDispatchInfo {2341		actual_weight: Some(weight),2342		pays_fee: Pays::Yes,2343	};2344	match res {2345		Ok(()) => Ok(post_info),2346		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),2347	}2348}23492350impl<T: Config> From<PropertiesError> for Error<T> {2351	fn from(error: PropertiesError) -> Self {2352		match error {2353			PropertiesError::NoSpaceForProperty => Self::NoSpaceForProperty,2354			PropertiesError::PropertyLimitReached => Self::PropertyLimitReached,2355			PropertiesError::InvalidCharacterInPropertyKey => Self::InvalidCharacterInPropertyKey,2356			PropertiesError::PropertyKeyIsTooLong => Self::PropertyKeyIsTooLong,2357			PropertiesError::EmptyPropertyKey => Self::EmptyPropertyKey,2358		}2359	}2360}23612362/// The type-safe interface for writing properties (setting or deleting) to tokens.2363/// It has two distinct implementations for newly created tokens and existing ones.2364///2365/// This type utilizes the lazy evaluation to avoid repeating the computation2366/// of several performance-heavy or PoV-heavy tasks,2367/// such as checking the indirect ownership or reading the token property permissions.2368pub struct PropertyWriter<'a, WriterVariant, T, Handle> {2369	collection: &'a Handle,2370	collection_lazy_info: PropertyWriterLazyCollectionInfo<'a>,2371	_phantom: PhantomData<(T, WriterVariant)>,2372}23732374impl<'a, T, Handle, WriterVariant> PropertyWriter<'a, WriterVariant, T, Handle>2375where2376	T: Config,2377	Handle: CommonCollectionOperations<T> + Deref<Target = CollectionHandle<T>>,2378{2379	fn internal_write_token_properties(2380		&mut self,2381		token_id: TokenId,2382		mut token_lazy_info: PropertyWriterLazyTokenInfo,2383		properties_updates: impl Iterator<Item = (PropertyKey, Option<PropertyValue>)>,2384		log: evm_coder::ethereum::Log,2385	) -> DispatchResult {2386		for (key, value) in properties_updates {2387			let permission = self2388				.collection_lazy_info2389				.property_permissions2390				.value()2391				.get(&key)2392				.cloned()2393				.unwrap_or_else(PropertyPermission::none);23942395			match permission {2396				PropertyPermission { mutable: false, .. }2397					if token_lazy_info2398						.stored_properties2399						.value()2400						.get(&key)2401						.is_some() =>2402				{2403					return Err(<Error<T>>::NoPermission.into());2404				}24052406				PropertyPermission {2407					collection_admin,2408					token_owner,2409					..2410				} => check_token_permissions::<T>(2411					collection_admin,2412					token_owner,2413					&mut self.collection_lazy_info.is_collection_admin,2414					&mut token_lazy_info.is_token_owner,2415					&mut token_lazy_info.is_token_exist,2416				)?,2417			}24182419			match value {2420				Some(value) => {2421					token_lazy_info2422						.stored_properties2423						.value_mut()2424						.try_set(key.clone(), value)2425						.map_err(<Error<T>>::from)?;24262427					<Pallet<T>>::deposit_event(Event::TokenPropertySet(2428						self.collection.id,2429						token_id,2430						key,2431					));2432				}2433				None => {2434					token_lazy_info2435						.stored_properties2436						.value_mut()2437						.remove(&key)2438						.map_err(<Error<T>>::from)?;24392440					<Pallet<T>>::deposit_event(Event::TokenPropertyDeleted(2441						self.collection.id,2442						token_id,2443						key,2444					));2445				}2446			}2447		}24482449		let properties_changed = token_lazy_info.stored_properties.has_value();2450		if properties_changed {2451			<PalletEvm<T>>::deposit_log(log);24522453			self.collection2454				.set_token_properties_raw(token_id, token_lazy_info.stored_properties.into_inner());2455		}24562457		Ok(())2458	}2459}24602461/// A helper structure for the [`PropertyWriter`] that holds2462/// the collection-related info. The info is loaded using lazy evaluation.2463/// This info is common for any token for which we write properties.2464pub struct PropertyWriterLazyCollectionInfo<'a> {2465	is_collection_admin: LazyValue<'a, bool>,2466	property_permissions: LazyValue<'a, PropertiesPermissionMap>,2467}24682469/// A helper structure for the [`PropertyWriter`] that holds2470/// the token-related info. The info is loaded using lazy evaluation.2471pub struct PropertyWriterLazyTokenInfo<'a> {2472	is_token_exist: LazyValue<'a, bool>,2473	is_token_owner: LazyValue<'a, Result<bool, DispatchError>>,2474	stored_properties: LazyValue<'a, TokenProperties>,2475}24762477impl<'a> PropertyWriterLazyTokenInfo<'a> {2478	/// Create a lazy token info.2479	pub fn new(2480		check_token_exist: impl FnOnce() -> bool + 'a,2481		check_token_owner: impl FnOnce() -> Result<bool, DispatchError> + 'a,2482		get_token_properties: impl FnOnce() -> TokenProperties + 'a,2483	) -> Self {2484		Self {2485			is_token_exist: LazyValue::new(check_token_exist),2486			is_token_owner: LazyValue::new(check_token_owner),2487			stored_properties: LazyValue::new(get_token_properties),2488		}2489	}2490}24912492/// A marker structure that enables the writer implementation2493/// to provide the interface to write properties to **newly created** tokens.2494pub struct NewTokenPropertyWriter<T>(PhantomData<T>);2495impl<T: Config> NewTokenPropertyWriter<T> {2496	/// Creates a [`PropertyWriter`] for **newly created** tokens.2497	pub fn new<'a, Handle>(2498		collection: &'a Handle,2499		sender: &'a T::CrossAccountId,2500	) -> PropertyWriter<'a, Self, T, Handle>2501	where2502		T: Config,2503		Handle: CommonCollectionOperations<T> + Deref<Target = CollectionHandle<T>>,2504	{2505		PropertyWriter {2506			collection,2507			collection_lazy_info: PropertyWriterLazyCollectionInfo {2508				is_collection_admin: LazyValue::new(|| collection.is_owner_or_admin(sender)),2509				property_permissions: LazyValue::new(|| {2510					<Pallet<T>>::property_permissions(collection.id)2511				}),2512			},2513			_phantom: PhantomData,2514		}2515	}2516}25172518impl<'a, T, Handle> PropertyWriter<'a, NewTokenPropertyWriter<T>, T, Handle>2519where2520	T: Config,2521	Handle: CommonCollectionOperations<T> + Deref<Target = CollectionHandle<T>>,2522{2523	/// A function to write properties to a **newly created** token.2524	pub fn write_token_properties(2525		&mut self,2526		mint_target_is_sender: bool,2527		token_id: TokenId,2528		properties_updates: impl Iterator<Item = Property>,2529		log: evm_coder::ethereum::Log,2530	) -> DispatchResult {2531		let check_token_exist = || {2532			debug_assert!(self.collection.token_exists(token_id));2533			true2534		};25352536		let check_token_owner = || Ok(mint_target_is_sender);25372538		let get_token_properties = || {2539			debug_assert!(self.collection.get_token_properties_raw(token_id).is_none());2540			TokenProperties::new()2541		};25422543		self.internal_write_token_properties(2544			token_id,2545			PropertyWriterLazyTokenInfo::new(2546				check_token_exist,2547				check_token_owner,2548				get_token_properties,2549			),2550			properties_updates.map(|p| (p.key, Some(p.value))),2551			log,2552		)2553	}2554}25552556/// A marker structure that enables the writer implementation2557/// to provide the interface to write properties to **already existing** tokens.2558pub struct ExistingTokenPropertyWriter<T>(PhantomData<T>);2559impl<T: Config> ExistingTokenPropertyWriter<T> {2560	/// Creates a [`PropertyWriter`] for **already existing** tokens.2561	pub fn new<'a, Handle>(2562		collection: &'a Handle,2563		sender: &'a T::CrossAccountId,2564	) -> PropertyWriter<'a, Self, T, Handle>2565	where2566		Handle: CommonCollectionOperations<T> + Deref<Target = CollectionHandle<T>>,2567	{2568		PropertyWriter {2569			collection,2570			collection_lazy_info: PropertyWriterLazyCollectionInfo {2571				is_collection_admin: LazyValue::new(|| collection.is_owner_or_admin(sender)),2572				property_permissions: LazyValue::new(|| {2573					<Pallet<T>>::property_permissions(collection.id)2574				}),2575			},2576			_phantom: PhantomData,2577		}2578	}2579}25802581impl<'a, T, Handle> PropertyWriter<'a, ExistingTokenPropertyWriter<T>, T, Handle>2582where2583	T: Config,2584	Handle: CommonCollectionOperations<T> + Deref<Target = CollectionHandle<T>>,2585{2586	/// A function to write properties to an **already existing** token.2587	pub fn write_token_properties(2588		&mut self,2589		sender: &T::CrossAccountId,2590		token_id: TokenId,2591		properties_updates: impl Iterator<Item = (PropertyKey, Option<PropertyValue>)>,2592		nesting_budget: &dyn Budget,2593		log: evm_coder::ethereum::Log,2594	) -> DispatchResult {2595		let check_token_exist = || self.collection.token_exists(token_id);2596		let check_token_owner = || {2597			self.collection2598				.check_token_indirect_owner(token_id, sender, nesting_budget)2599		};2600		let get_token_properties = || {2601			self.collection2602				.get_token_properties_raw(token_id)2603				.unwrap_or_default()2604		};26052606		self.internal_write_token_properties(2607			token_id,2608			PropertyWriterLazyTokenInfo::new(2609				check_token_exist,2610				check_token_owner,2611				get_token_properties,2612			),2613			properties_updates,2614			log,2615		)2616	}2617}26182619/// A marker structure that enables the writer implementation2620/// to benchmark the token properties writing.2621#[cfg(feature = "runtime-benchmarks")]2622pub struct BenchmarkPropertyWriter<T>(PhantomData<T>);26232624#[cfg(feature = "runtime-benchmarks")]2625impl<T: Config> BenchmarkPropertyWriter<T> {2626	/// Creates a [`PropertyWriter`] for benchmarking tokens properties writing.2627	pub fn new<'a, Handle>(2628		collection: &'a Handle,2629		collection_lazy_info: PropertyWriterLazyCollectionInfo<'a>,2630	) -> PropertyWriter<'a, Self, T, Handle>2631	where2632		Handle: CommonCollectionOperations<T> + Deref<Target = CollectionHandle<T>>,2633	{2634		PropertyWriter {2635			collection,2636			collection_lazy_info,2637			_phantom: PhantomData,2638		}2639	}26402641	/// Load the [`PropertyWriterLazyCollectionInfo`] from the storage.2642	pub fn load_collection_info<Handle>(2643		collection_handle: &Handle,2644		sender: &T::CrossAccountId,2645	) -> PropertyWriterLazyCollectionInfo<'static>2646	where2647		Handle: Deref<Target = CollectionHandle<T>>,2648	{2649		let is_collection_admin = collection_handle.is_owner_or_admin(sender);2650		let property_permissions = <Pallet<T>>::property_permissions(collection_handle.id);26512652		PropertyWriterLazyCollectionInfo {2653			is_collection_admin: LazyValue::new(move || is_collection_admin),2654			property_permissions: LazyValue::new(move || property_permissions),2655		}2656	}26572658	/// Load the [`PropertyWriterLazyTokenInfo`] with token properties from the storage.2659	pub fn load_token_properties<Handle>(2660		collection: &Handle,2661		token_id: TokenId,2662	) -> PropertyWriterLazyTokenInfo2663	where2664		Handle: CommonCollectionOperations<T>,2665	{2666		let stored_properties = collection2667			.get_token_properties_raw(token_id)2668			.unwrap_or_default();26692670		PropertyWriterLazyTokenInfo {2671			is_token_exist: LazyValue::new(|| true),2672			is_token_owner: LazyValue::new(|| Ok(true)),2673			stored_properties: LazyValue::new(move || stored_properties),2674		}2675	}2676}26772678#[cfg(feature = "runtime-benchmarks")]2679impl<'a, T, Handle> PropertyWriter<'a, BenchmarkPropertyWriter<T>, T, Handle>2680where2681	T: Config,2682	Handle: CommonCollectionOperations<T> + Deref<Target = CollectionHandle<T>>,2683{2684	/// A function to benchmark the writing of token properties.2685	pub fn write_token_properties(2686		&mut self,2687		token_id: TokenId,2688		properties_updates: impl Iterator<Item = Property>,2689		log: evm_coder::ethereum::Log,2690	) -> DispatchResult {2691		let check_token_exist = || true;2692		let check_token_owner = || Ok(true);2693		let get_token_properties = TokenProperties::new;26942695		self.internal_write_token_properties(2696			token_id,2697			PropertyWriterLazyTokenInfo::new(2698				check_token_exist,2699				check_token_owner,2700				get_token_properties,2701			),2702			properties_updates.map(|p| (p.key, Some(p.value))),2703			log,2704		)2705	}2706}27072708/// Computes the weight of writing properties to tokens.2709/// * `properties_nums` - The properties num of each created token.2710/// * `per_token_weight_weight` - The function to obtain the weight2711/// of writing properties from a token's properties num.2712pub fn write_token_properties_total_weight<T: Config, I: Fn(u32) -> Weight>(2713	properties_nums: impl Iterator<Item = u32>,2714	per_token_weight: I,2715) -> Weight {2716	let mut weight = properties_nums2717		.filter_map(|properties_num| {2718			if properties_num > 0 {2719				Some(per_token_weight(properties_num))2720			} else {2721				None2722			}2723		})2724		.fold(Weight::zero(), |a, b| a.saturating_add(b));27252726	if !weight.is_zero() {2727		// If we are here, it means the token properties were written at least once.2728		// Because of that, some common collection data was also loaded; we must add this weight.2729		// However, this common data was loaded only once, which is guaranteed by the `PropertyWriter`.27302731		weight = weight.saturating_add(<SelfWeightOf<T>>::property_writer_load_collection_info());2732	}27332734	weight2735}27362737#[cfg(any(feature = "tests", test))]2738#[allow(missing_docs)]2739pub mod tests {2740	use crate::{Config, DispatchError, DispatchResult, LazyValue};27412742	const fn to_bool(u: u8) -> bool {2743		u != 02744	}27452746	#[derive(Debug)]2747	pub struct TestCase {2748		pub collection_admin: bool,2749		pub is_collection_admin: bool,2750		pub token_owner: bool,2751		pub is_token_owner: bool,2752		pub no_permission: bool,2753	}27542755	impl TestCase {2756		const fn new(2757			collection_admin: u8,2758			is_collection_admin: u8,2759			token_owner: u8,2760			is_token_owner: u8,2761			no_permission: u8,2762		) -> Self {2763			Self {2764				collection_admin: to_bool(collection_admin),2765				is_collection_admin: to_bool(is_collection_admin),2766				token_owner: to_bool(token_owner),2767				is_token_owner: to_bool(is_token_owner),2768				no_permission: to_bool(no_permission),2769			}2770		}2771	}27722773	#[rustfmt::skip]2774	pub const TABLE: [TestCase; 16] = [2775		//                    ┌╴collection_admin2776		//                    │  ┌╴is_collection_admin2777		//                    │  │   ┌╴token_owner2778		//                    │  │   │  ┌╴is_token_ownership2779		//                    │  │   │  │   ┌╴no_permission2780		/*  0*/ TestCase::new(0, 0,  0, 0,  1),2781		/*  1*/ TestCase::new(0, 0,  0, 1,  1),2782		/*  2*/ TestCase::new(0, 0,  1, 0,  1),2783		/*  3*/ TestCase::new(0, 0,  1, 1,  0),2784		/*  4*/ TestCase::new(0, 1,  0, 0,  1),2785		/*  5*/ TestCase::new(0, 1,  0, 1,  1),2786		/*  6*/ TestCase::new(0, 1,  1, 0,  1),2787		/*  7*/ TestCase::new(0, 1,  1, 1,  0),2788		/*  8*/ TestCase::new(1, 0,  0, 0,  1),2789		/*  9*/ TestCase::new(1, 0,  0, 1,  1),2790		/* 10*/ TestCase::new(1, 0,  1, 0,  1),2791		/* 11*/ TestCase::new(1, 0,  1, 1,  0),2792		/* 12*/ TestCase::new(1, 1,  0, 0,  0),2793		/* 13*/ TestCase::new(1, 1,  0, 1,  0),2794		/* 14*/ TestCase::new(1, 1,  1, 0,  0),2795		/* 15*/ TestCase::new(1, 1,  1, 1,  0),2796	];27972798	pub fn check_token_permissions<T: Config>(2799		collection_admin_permitted: bool,2800		token_owner_permitted: bool,2801		is_collection_admin: &mut LazyValue<bool>,2802		check_token_ownership: &mut LazyValue<Result<bool, DispatchError>>,2803		check_token_existence: &mut LazyValue<bool>,2804	) -> DispatchResult {2805		crate::check_token_permissions::<T>(2806			collection_admin_permitted,2807			token_owner_permitted,2808			is_collection_admin,2809			check_token_ownership,2810			check_token_existence,2811		)2812	}2813}