git.delta.rocks / unique-network / refs/commits / 5a6e19099ff1

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#![cfg_attr(not(feature = "std"), no_std)]1819use core::ops::{Deref, DerefMut};20use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};21use sp_std::vec::Vec;22use pallet_evm::account::CrossAccountId;23use frame_support::{24	dispatch::{DispatchErrorWithPostInfo, DispatchResultWithPostInfo, Weight, PostDispatchInfo},25	ensure,26	traits::{Imbalance, Get, Currency, WithdrawReasons, ExistenceRequirement},27	BoundedVec,28	weights::Pays,29	transactional,30};31use pallet_evm::GasWeightMapping;32use up_data_structs::{33	COLLECTION_NUMBER_LIMIT, Collection, RpcCollection, CollectionId, CreateItemData,34	MAX_TOKEN_PREFIX_LENGTH, COLLECTION_ADMINS_LIMIT, TokenId, CollectionStats,35	MAX_TOKEN_OWNERSHIP, CollectionMode, NFT_SPONSOR_TRANSFER_TIMEOUT,36	FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, MAX_SPONSOR_TIMEOUT,37	CUSTOM_DATA_LIMIT, CollectionLimits, CreateCollectionData, SponsorshipState, CreateItemExData,38	SponsoringRateLimit, budget::Budget, COLLECTION_FIELD_LIMIT, CollectionField, PhantomType,39	Property, Properties, PropertiesPermissionMap, PropertyKey, PropertyPermission,40	PropertiesError, PropertyKeyPermission, TokenData, TrySet,41};42pub use pallet::*;43use sp_core::H160;44use sp_runtime::{ArithmeticError, DispatchError, DispatchResult};45#[cfg(feature = "runtime-benchmarks")]46pub mod benchmarking;47pub mod dispatch;48pub mod erc;49pub mod eth;5051#[must_use = "Should call submit_logs or save, otherwise some data will be lost for evm side"]52pub struct CollectionHandle<T: Config> {53	pub id: CollectionId,54	collection: Collection<T::AccountId>,55	pub recorder: SubstrateRecorder<T>,56}57impl<T: Config> WithRecorder<T> for CollectionHandle<T> {58	fn recorder(&self) -> &SubstrateRecorder<T> {59		&self.recorder60	}61	fn into_recorder(self) -> SubstrateRecorder<T> {62		self.recorder63	}64}65impl<T: Config> CollectionHandle<T> {66	pub fn new_with_gas_limit(id: CollectionId, gas_limit: u64) -> Option<Self> {67		<CollectionById<T>>::get(id).map(|collection| Self {68			id,69			collection,70			recorder: SubstrateRecorder::new(gas_limit),71		})72	}73	pub fn new(id: CollectionId) -> Option<Self> {74		Self::new_with_gas_limit(id, u64::MAX)75	}76	pub fn try_get(id: CollectionId) -> Result<Self, DispatchError> {77		Ok(Self::new(id).ok_or(<Error<T>>::CollectionNotFound)?)78	}79	pub fn consume_store_reads(&self, reads: u64) -> evm_coder::execution::Result<()> {80		self.recorder81			.consume_gas(T::GasWeightMapping::weight_to_gas(82				<T as frame_system::Config>::DbWeight::get()83					.read84					.saturating_mul(reads),85			))86	}87	pub fn consume_store_writes(&self, writes: u64) -> evm_coder::execution::Result<()> {88		self.recorder89			.consume_gas(T::GasWeightMapping::weight_to_gas(90				<T as frame_system::Config>::DbWeight::get()91					.write92					.saturating_mul(writes),93			))94	}95	pub fn save(self) -> DispatchResult {96		<CollectionById<T>>::insert(self.id, self.collection);97		Ok(())98	}99}100impl<T: Config> Deref for CollectionHandle<T> {101	type Target = Collection<T::AccountId>;102103	fn deref(&self) -> &Self::Target {104		&self.collection105	}106}107108impl<T: Config> DerefMut for CollectionHandle<T> {109	fn deref_mut(&mut self) -> &mut Self::Target {110		&mut self.collection111	}112}113114impl<T: Config> CollectionHandle<T> {115	pub fn check_is_owner(&self, subject: &T::CrossAccountId) -> DispatchResult {116		ensure!(*subject.as_sub() == self.owner, <Error<T>>::NoPermission);117		Ok(())118	}119	pub fn is_owner_or_admin(&self, subject: &T::CrossAccountId) -> bool {120		*subject.as_sub() == self.owner || <IsAdmin<T>>::get((self.id, subject))121	}122	pub fn check_is_owner_or_admin(&self, subject: &T::CrossAccountId) -> DispatchResult {123		ensure!(self.is_owner_or_admin(subject), <Error<T>>::NoPermission);124		Ok(())125	}126	pub fn ignores_allowance(&self, user: &T::CrossAccountId) -> bool {127		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)128	}129	pub fn ignores_owned_amount(&self, user: &T::CrossAccountId) -> bool {130		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)131	}132	pub fn check_allowlist(&self, user: &T::CrossAccountId) -> DispatchResult {133		ensure!(134			<Allowlist<T>>::get((self.id, user)),135			<Error<T>>::AddressNotInAllowlist136		);137		Ok(())138	}139}140141#[frame_support::pallet]142pub mod pallet {143	use super::*;144	use pallet_evm::account;145	use dispatch::CollectionDispatch;146	use frame_support::{Blake2_128Concat, pallet_prelude::*, storage::Key, traits::StorageVersion};147	use frame_system::pallet_prelude::*;148	use frame_support::traits::Currency;149	use up_data_structs::{TokenId, mapping::TokenAddressMapping};150	use scale_info::TypeInfo;151152	#[pallet::config]153	pub trait Config:154		frame_system::Config + pallet_evm_coder_substrate::Config + TypeInfo + account::Config155	{156		type Event: IsType<<Self as frame_system::Config>::Event> + From<Event<Self>>;157158		type Currency: Currency<Self::AccountId>;159160		#[pallet::constant]161		type CollectionCreationPrice: Get<162			<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,163		>;164		type CollectionDispatch: CollectionDispatch<Self>;165166		type TreasuryAccountId: Get<Self::AccountId>;167168		type EvmTokenAddressMapping: TokenAddressMapping<H160>;169		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;170	}171172	const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);173174	#[pallet::pallet]175	#[pallet::storage_version(STORAGE_VERSION)]176	#[pallet::generate_store(pub(super) trait Store)]177	pub struct Pallet<T>(_);178179	#[pallet::extra_constants]180	impl<T: Config> Pallet<T> {181		pub fn collection_admins_limit() -> u32 {182			COLLECTION_ADMINS_LIMIT183		}184	}185186	#[pallet::event]187	#[pallet::generate_deposit(pub fn deposit_event)]188	pub enum Event<T: Config> {189		/// New collection was created190		///191		/// # Arguments192		///193		/// * collection_id: Globally unique identifier of newly created collection.194		///195		/// * mode: [CollectionMode] converted into u8.196		///197		/// * account_id: Collection owner.198		CollectionCreated(CollectionId, u8, T::AccountId),199200		/// New collection was destroyed201		///202		/// # Arguments203		///204		/// * collection_id: Globally unique identifier of collection.205		CollectionDestroyed(CollectionId),206207		/// New item was created.208		///209		/// # Arguments210		///211		/// * collection_id: Id of the collection where item was created.212		///213		/// * item_id: Id of an item. Unique within the collection.214		///215		/// * recipient: Owner of newly created item216		///217		/// * amount: Always 1 for NFT218		ItemCreated(CollectionId, TokenId, T::CrossAccountId, u128),219220		/// Collection item was burned.221		///222		/// # Arguments223		///224		/// * collection_id.225		///226		/// * item_id: Identifier of burned NFT.227		///228		/// * owner: which user has destroyed its tokens229		///230		/// * amount: Always 1 for NFT231		ItemDestroyed(CollectionId, TokenId, T::CrossAccountId, u128),232233		/// Item was transferred234		///235		/// * collection_id: Id of collection to which item is belong236		///237		/// * item_id: Id of an item238		///239		/// * sender: Original owner of item240		///241		/// * recipient: New owner of item242		///243		/// * amount: Always 1 for NFT244		Transfer(245			CollectionId,246			TokenId,247			T::CrossAccountId,248			T::CrossAccountId,249			u128,250		),251252		/// * collection_id253		///254		/// * item_id255		///256		/// * sender257		///258		/// * spender259		///260		/// * amount261		Approved(262			CollectionId,263			TokenId,264			T::CrossAccountId,265			T::CrossAccountId,266			u128,267		),268269		CollectionPropertySet(CollectionId, PropertyKey),270271		CollectionPropertyDeleted(CollectionId, PropertyKey),272273		TokenPropertySet(CollectionId, TokenId, PropertyKey),274275		TokenPropertyDeleted(CollectionId, TokenId, PropertyKey),276277		PropertyPermissionSet(CollectionId, PropertyKey),278	}279280	#[pallet::error]281	pub enum Error<T> {282		/// This collection does not exist.283		CollectionNotFound,284		/// Sender parameter and item owner must be equal.285		MustBeTokenOwner,286		/// No permission to perform action287		NoPermission,288		/// Collection is not in mint mode.289		PublicMintingNotAllowed,290		/// Address is not in allow list.291		AddressNotInAllowlist,292293		/// Collection name can not be longer than 63 char.294		CollectionNameLimitExceeded,295		/// Collection description can not be longer than 255 char.296		CollectionDescriptionLimitExceeded,297		/// Token prefix can not be longer than 15 char.298		CollectionTokenPrefixLimitExceeded,299		/// Total collections bound exceeded.300		TotalCollectionsLimitExceeded,301		/// Exceeded max admin count302		CollectionAdminCountExceeded,303		/// Collection limit bounds per collection exceeded304		CollectionLimitBoundsExceeded,305		/// Tried to enable permissions which are only permitted to be disabled306		OwnerPermissionsCantBeReverted,307		/// Collection settings not allowing items transferring308		TransferNotAllowed,309		/// Account token limit exceeded per collection310		AccountTokenLimitExceeded,311		/// Collection token limit exceeded312		CollectionTokenLimitExceeded,313		/// Metadata flag frozen314		MetadataFlagFrozen,315316		/// Item not exists.317		TokenNotFound,318		/// Item balance not enough.319		TokenValueTooLow,320		/// Requested value more than approved.321		ApprovedValueTooLow,322		/// Tried to approve more than owned323		CantApproveMoreThanOwned,324325		/// Can't transfer tokens to ethereum zero address326		AddressIsZero,327		/// Target collection doesn't supports this operation328		UnsupportedOperation,329330		/// Not sufficient founds to perform action331		NotSufficientFounds,332333		/// Collection has nesting disabled334		NestingIsDisabled,335		/// Only owner may nest tokens under this collection336		OnlyOwnerAllowedToNest,337		/// Only tokens from specific collections may nest tokens under this338		SourceCollectionIsNotAllowedToNest,339340		/// Tried to store more data than allowed in collection field341		CollectionFieldSizeExceeded,342343		/// Tried to store more property data than allowed344		NoSpaceForProperty,345346		/// Tried to store more property keys than allowed347		PropertyLimitReached,348349		/// Unable to read array of unbounded keys350		UnableToReadUnboundedKeys,351352		/// Only ASCII letters, digits, and '_', '-' are allowed353		InvalidCharacterInPropertyKey,354355		/// Empty property keys are forbidden356		EmptyPropertyKey,357	}358359	#[pallet::storage]360	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;361	#[pallet::storage]362	pub type DestroyedCollectionCount<T> =363		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;364365	/// Collection info366	#[pallet::storage]367	pub type CollectionById<T> = StorageMap<368		Hasher = Blake2_128Concat,369		Key = CollectionId,370		Value = Collection<<T as frame_system::Config>::AccountId>,371		QueryKind = OptionQuery,372	>;373374	/// Collection properties375	#[pallet::storage]376	#[pallet::getter(fn collection_properties)]377	pub type CollectionProperties<T> = StorageMap<378		Hasher = Blake2_128Concat,379		Key = CollectionId,380		Value = Properties,381		QueryKind = ValueQuery,382		OnEmpty = up_data_structs::CollectionProperties,383	>;384385	#[pallet::storage]386	#[pallet::getter(fn property_permissions)]387	pub type CollectionPropertyPermissions<T> = StorageMap<388		Hasher = Blake2_128Concat,389		Key = CollectionId,390		Value = PropertiesPermissionMap,391		QueryKind = ValueQuery,392	>;393394	/// Large variable-size collection fields are extracted here395	#[pallet::storage]396	pub type CollectionData<T> = StorageNMap<397		Key = (398			Key<Twox64Concat, CollectionId>,399			Key<Twox64Concat, CollectionField>,400		),401		Value = BoundedVec<u8, ConstU32<COLLECTION_FIELD_LIMIT>>,402		QueryKind = ValueQuery,403	>;404405	#[pallet::storage]406	pub type AdminAmount<T> = StorageMap<407		Hasher = Blake2_128Concat,408		Key = CollectionId,409		Value = u32,410		QueryKind = ValueQuery,411	>;412413	/// List of collection admins414	#[pallet::storage]415	pub type IsAdmin<T: Config> = StorageNMap<416		Key = (417			Key<Blake2_128Concat, CollectionId>,418			Key<Blake2_128Concat, T::CrossAccountId>,419		),420		Value = bool,421		QueryKind = ValueQuery,422	>;423424	/// Allowlisted collection users425	#[pallet::storage]426	pub type Allowlist<T: Config> = StorageNMap<427		Key = (428			Key<Blake2_128Concat, CollectionId>,429			Key<Blake2_128Concat, T::CrossAccountId>,430		),431		Value = bool,432		QueryKind = ValueQuery,433	>;434435	/// Not used by code, exists only to provide some types to metadata436	#[pallet::storage]437	pub type DummyStorageValue<T: Config> = StorageValue<438		Value = (439			CollectionStats,440			CollectionId,441			TokenId,442			PhantomType<TokenData<T::CrossAccountId>>,443			PhantomType<RpcCollection<T::AccountId>>,444		),445		QueryKind = OptionQuery,446	>;447448	#[pallet::hooks]449	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {450		fn on_runtime_upgrade() -> Weight {451			if StorageVersion::get::<Pallet<T>>() < StorageVersion::new(1) {452				use up_data_structs::{CollectionVersion1, CollectionVersion2};453				<CollectionById<T>>::translate::<CollectionVersion1<T::AccountId>, _>(|id, v| {454					Self::set_field_raw(455						id,456						CollectionField::OffchainSchema,457						v.offchain_schema.clone().into_inner(),458					)459					.expect("data has lower bounds than field");460					Self::set_field_raw(461						id,462						CollectionField::ConstOnChainSchema,463						v.const_on_chain_schema.clone().into_inner(),464					)465					.expect("data has lower bounds than field");466467					Some(CollectionVersion2::from(v))468				});469			}470471			0472		}473	}474}475476impl<T: Config> Pallet<T> {477	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens478	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {479		ensure!(480			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,481			<Error<T>>::AddressIsZero482		);483		Ok(())484	}485	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {486		<IsAdmin<T>>::iter_prefix((collection,))487			.map(|(a, _)| a)488			.collect()489	}490	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {491		<Allowlist<T>>::iter_prefix((collection,))492			.map(|(a, _)| a)493			.collect()494	}495	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {496		<Allowlist<T>>::get((collection, user))497	}498	pub fn collection_stats() -> CollectionStats {499		let created = <CreatedCollectionCount<T>>::get();500		let destroyed = <DestroyedCollectionCount<T>>::get();501		CollectionStats {502			created: created.0,503			destroyed: destroyed.0,504			alive: created.0 - destroyed.0,505		}506	}507508	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {509		let collection = <CollectionById<T>>::get(collection);510		if collection.is_none() {511			return None;512		}513514		let collection = collection.unwrap();515		let limits = collection.limits;516		let effective_limits = CollectionLimits {517			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),518			sponsored_data_size: Some(limits.sponsored_data_size()),519			sponsored_data_rate_limit: Some(520				limits521					.sponsored_data_rate_limit522					.unwrap_or(SponsoringRateLimit::SponsoringDisabled),523			),524			token_limit: Some(limits.token_limit()),525			sponsor_transfer_timeout: Some(limits.sponsor_transfer_timeout(526				match collection.mode {527					CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,528					CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,529					CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,530				},531			)),532			sponsor_approve_timeout: Some(limits.sponsor_approve_timeout()),533			owner_can_transfer: Some(limits.owner_can_transfer()),534			owner_can_destroy: Some(limits.owner_can_destroy()),535			transfers_enabled: Some(limits.transfers_enabled()),536			nesting_rule: Some(limits.nesting_rule().clone()),537		};538539		Some(effective_limits)540	}541542	pub fn rpc_collection(collection: CollectionId) -> Option<RpcCollection<T::AccountId>> {543		let Collection {544			name,545			description,546			owner,547			mode,548			access,549			token_prefix,550			mint_mode,551			schema_version,552			sponsorship,553			limits,554		} = <CollectionById<T>>::get(collection)?;555556		let token_property_permissions = <CollectionPropertyPermissions<T>>::get(collection)557			.iter()558			.map(|(key, permission)| PropertyKeyPermission {559				key: key.clone(),560				permission: permission.clone(),561			})562			.collect();563564		let properties = <CollectionProperties<T>>::get(collection)565			.iter()566			.map(|(key, value)| Property {567				key: key.clone(),568				value: value.clone(),569			})570			.collect();571572		Some(RpcCollection {573			name: name.into_inner(),574			description: description.into_inner(),575			owner,576			mode,577			access,578			token_prefix: token_prefix.into_inner(),579			mint_mode,580			schema_version,581			sponsorship,582			limits,583			offchain_schema: <CollectionData<T>>::get((584				collection,585				CollectionField::OffchainSchema,586			))587			.into_inner(),588			const_on_chain_schema: <CollectionData<T>>::get((589				collection,590				CollectionField::ConstOnChainSchema,591			))592			.into_inner(),593			token_property_permissions,594			properties,595		})596	}597}598599impl<T: Config> Pallet<T> {600	pub fn init_collection(601		owner: T::AccountId,602		data: CreateCollectionData<T::AccountId>,603	) -> Result<CollectionId, DispatchError> {604		{605			ensure!(606				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,607				Error::<T>::CollectionTokenPrefixLimitExceeded608			);609		}610611		let created_count = <CreatedCollectionCount<T>>::get()612			.0613			.checked_add(1)614			.ok_or(ArithmeticError::Overflow)?;615		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;616		let id = CollectionId(created_count);617618		// bound Total number of collections619		ensure!(620			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,621			<Error<T>>::TotalCollectionsLimitExceeded622		);623624		// =========625626		let collection = Collection {627			owner: owner.clone(),628			name: data.name,629			mode: data.mode.clone(),630			mint_mode: false,631			access: data.access.unwrap_or_default(),632			description: data.description,633			token_prefix: data.token_prefix,634			schema_version: data.schema_version.unwrap_or_default(),635			sponsorship: data636				.pending_sponsor637				.map(SponsorshipState::Unconfirmed)638				.unwrap_or_default(),639			limits: data640				.limits641				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))642				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,643		};644645		let mut collection_properties = up_data_structs::CollectionProperties::get();646		collection_properties647			.try_set_from_iter(data.properties.into_iter().map(|p| (p.key, p.value)))648			.map_err(<Error<T>>::from)?;649650		CollectionProperties::<T>::insert(id, collection_properties);651652		let mut token_props_permissions = PropertiesPermissionMap::new();653		token_props_permissions654			.try_set_from_iter(655				data.token_property_permissions656					.into_iter()657					.map(|property| (property.key, property.permission)),658			)659			.map_err(<Error<T>>::from)?;660661		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);662663		// Take a (non-refundable) deposit of collection creation664		{665			let mut imbalance =666				<<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();667			imbalance.subsume(668				<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(669					&T::TreasuryAccountId::get(),670					T::CollectionCreationPrice::get(),671				),672			);673			<T as Config>::Currency::settle(674				&owner,675				imbalance,676				WithdrawReasons::TRANSFER,677				ExistenceRequirement::KeepAlive,678			)679			.map_err(|_| Error::<T>::NotSufficientFounds)?;680		}681682		<CreatedCollectionCount<T>>::put(created_count);683		<Pallet<T>>::deposit_event(Event::CollectionCreated(id, data.mode.id(), owner.clone()));684		<CollectionById<T>>::insert(id, collection);685		Self::set_field_raw(686			id,687			CollectionField::OffchainSchema,688			data.offchain_schema.into_inner(),689		)690		.expect("data has lower bounds than field");691		Self::set_field_raw(692			id,693			CollectionField::ConstOnChainSchema,694			data.const_on_chain_schema.into_inner(),695		)696		.expect("data has lower bounds than field");697		Ok(id)698	}699700	pub fn destroy_collection(701		collection: CollectionHandle<T>,702		sender: &T::CrossAccountId,703	) -> DispatchResult {704		ensure!(705			collection.limits.owner_can_destroy(),706			<Error<T>>::NoPermission,707		);708		collection.check_is_owner(sender)?;709710		let destroyed_collections = <DestroyedCollectionCount<T>>::get()711			.0712			.checked_add(1)713			.ok_or(ArithmeticError::Overflow)?;714715		// =========716717		<DestroyedCollectionCount<T>>::put(destroyed_collections);718		<CollectionById<T>>::remove(collection.id);719		<CollectionData<T>>::remove_prefix((collection.id,), None);720		<AdminAmount<T>>::remove(collection.id);721		<IsAdmin<T>>::remove_prefix((collection.id,), None);722		<Allowlist<T>>::remove_prefix((collection.id,), None);723724		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));725		Ok(())726	}727728	pub fn set_collection_property(729		collection: &CollectionHandle<T>,730		sender: &T::CrossAccountId,731		property: Property,732	) -> DispatchResult {733		collection.check_is_owner_or_admin(sender)?;734735		CollectionProperties::<T>::try_mutate(collection.id, |properties| {736			let property = property.clone();737			properties.try_set(property.key, property.value)738		})739		.map_err(<Error<T>>::from)?;740741		Self::deposit_event(Event::CollectionPropertySet(collection.id, property.key));742743		Ok(())744	}745746	#[transactional]747	pub fn set_collection_properties(748		collection: &CollectionHandle<T>,749		sender: &T::CrossAccountId,750		properties: Vec<Property>,751	) -> DispatchResult {752		for property in properties {753			Self::set_collection_property(collection, sender, property)?;754		}755756		Ok(())757	}758759	pub fn delete_collection_property(760		collection: &CollectionHandle<T>,761		sender: &T::CrossAccountId,762		property_key: PropertyKey,763	) -> DispatchResult {764		collection.check_is_owner_or_admin(sender)?;765766		CollectionProperties::<T>::try_mutate(collection.id, |properties| {767			properties.remove(&property_key)768		})769		.map_err(<Error<T>>::from)?;770771		Self::deposit_event(Event::CollectionPropertyDeleted(772			collection.id,773			property_key,774		));775776		Ok(())777	}778779	#[transactional]780	pub fn delete_collection_properties(781		collection: &CollectionHandle<T>,782		sender: &T::CrossAccountId,783		property_keys: Vec<PropertyKey>,784	) -> DispatchResult {785		for key in property_keys {786			Self::delete_collection_property(collection, sender, key)?;787		}788789		Ok(())790	}791792	pub fn set_property_permission(793		collection: &CollectionHandle<T>,794		sender: &T::CrossAccountId,795		property_permission: PropertyKeyPermission,796	) -> DispatchResult {797		collection.check_is_owner_or_admin(sender)?;798799		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);800		let current_permission = all_permissions.get(&property_permission.key);801		if matches![802			current_permission,803			Some(PropertyPermission { mutable: false, .. })804		] {805			return Err(<Error<T>>::NoPermission.into());806		}807808		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {809			let property_permission = property_permission.clone();810			permissions.try_set(property_permission.key, property_permission.permission)811		})812		.map_err(<Error<T>>::from)?;813814		Self::deposit_event(Event::PropertyPermissionSet(815			collection.id,816			property_permission.key,817		));818819		Ok(())820	}821822	#[transactional]823	pub fn set_property_permissions(824		collection: &CollectionHandle<T>,825		sender: &T::CrossAccountId,826		property_permissions: Vec<PropertyKeyPermission>,827	) -> DispatchResult {828		for prop_pemission in property_permissions {829			Self::set_property_permission(collection, sender, prop_pemission)?;830		}831832		Ok(())833	}834835	pub fn bytes_keys_to_property_keys(836		keys: Vec<Vec<u8>>,837	) -> Result<Vec<PropertyKey>, DispatchError> {838		keys.into_iter()839			.map(|key| -> Result<PropertyKey, DispatchError> {840				key.try_into()841					.map_err(|_| <Error<T>>::UnableToReadUnboundedKeys.into())842			})843			.collect::<Result<Vec<PropertyKey>, DispatchError>>()844	}845846	pub fn filter_collection_properties(847		collection_id: CollectionId,848		keys: Vec<PropertyKey>,849	) -> Result<Vec<Property>, DispatchError> {850		let properties = Self::collection_properties(collection_id);851852		let properties = keys853			.into_iter()854			.filter_map(|key| {855				properties.get(&key).map(|value| Property {856					key,857					value: value.clone(),858				})859			})860			.collect();861862		Ok(properties)863	}864865	pub fn filter_property_permissions(866		collection_id: CollectionId,867		keys: Vec<PropertyKey>,868	) -> Result<Vec<PropertyKeyPermission>, DispatchError> {869		let permissions = Self::property_permissions(collection_id);870871		let key_permissions = keys872			.into_iter()873			.filter_map(|key| {874				permissions875					.get(&key)876					.map(|permission| PropertyKeyPermission {877						key,878						permission: permission.clone(),879					})880			})881			.collect();882883		Ok(key_permissions)884	}885886	fn set_field_raw(887		collection_id: CollectionId,888		field: CollectionField,889		value: Vec<u8>,890	) -> DispatchResult {891		if !value.is_empty() {892			<CollectionData<T>>::insert(893				(collection_id, field),894				BoundedVec::try_from(value).map_err(|_| <Error<T>>::CollectionFieldSizeExceeded)?,895			)896		} else {897			<CollectionData<T>>::remove((collection_id, field));898		}899		Ok(())900	}901902	pub fn set_field(903		collection: &CollectionHandle<T>,904		sender: &T::CrossAccountId,905		field: CollectionField,906		value: Vec<u8>,907	) -> DispatchResult {908		collection.check_is_owner_or_admin(sender)?;909910		// =========911912		Self::set_field_raw(collection.id, field, value)913	}914915	pub fn toggle_allowlist(916		collection: &CollectionHandle<T>,917		sender: &T::CrossAccountId,918		user: &T::CrossAccountId,919		allowed: bool,920	) -> DispatchResult {921		collection.check_is_owner_or_admin(sender)?;922923		// =========924925		if allowed {926			<Allowlist<T>>::insert((collection.id, user), true);927		} else {928			<Allowlist<T>>::remove((collection.id, user));929		}930931		Ok(())932	}933934	pub fn toggle_admin(935		collection: &CollectionHandle<T>,936		sender: &T::CrossAccountId,937		user: &T::CrossAccountId,938		admin: bool,939	) -> DispatchResult {940		collection.check_is_owner_or_admin(sender)?;941942		let was_admin = <IsAdmin<T>>::get((collection.id, user));943		if was_admin == admin {944			return Ok(());945		}946		let amount = <AdminAmount<T>>::get(collection.id);947948		if admin {949			let amount = amount950				.checked_add(1)951				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;952			ensure!(953				amount <= Self::collection_admins_limit(),954				<Error<T>>::CollectionAdminCountExceeded,955			);956957			// =========958959			<AdminAmount<T>>::insert(collection.id, amount);960			<IsAdmin<T>>::insert((collection.id, user), true);961		} else {962			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));963			<IsAdmin<T>>::remove((collection.id, user));964		}965966		Ok(())967	}968969	pub fn clamp_limits(970		mode: CollectionMode,971		old_limit: &CollectionLimits,972		mut new_limit: CollectionLimits,973	) -> Result<CollectionLimits, DispatchError> {974		macro_rules! limit_default {975				($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{976					$(977						if let Some($new) = $new.$field {978							let $old = $old.$field($($arg)?);979							let _ = $new;980							let _ = $old;981							$check982						} else {983							$new.$field = $old.$field984						}985					)*986				}};987			}988989		limit_default!(old_limit, new_limit,990			account_token_ownership_limit => ensure!(991				new_limit <= MAX_TOKEN_OWNERSHIP,992				<Error<T>>::CollectionLimitBoundsExceeded,993			),994			sponsor_transfer_timeout(match mode {995				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,996				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,997				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,998			}) => ensure!(999				new_limit <= MAX_SPONSOR_TIMEOUT,1000				<Error<T>>::CollectionLimitBoundsExceeded,1001			),1002			sponsored_data_size => ensure!(1003				new_limit <= CUSTOM_DATA_LIMIT,1004				<Error<T>>::CollectionLimitBoundsExceeded,1005			),1006			token_limit => ensure!(1007				old_limit >= new_limit && new_limit > 0,1008				<Error<T>>::CollectionTokenLimitExceeded1009			),1010			owner_can_transfer => ensure!(1011				old_limit || !new_limit,1012				<Error<T>>::OwnerPermissionsCantBeReverted,1013			),1014			owner_can_destroy => ensure!(1015				old_limit || !new_limit,1016				<Error<T>>::OwnerPermissionsCantBeReverted,1017			),1018			sponsored_data_rate_limit => {},1019			transfers_enabled => {},1020		);1021		Ok(new_limit)1022	}1023}10241025#[macro_export]1026macro_rules! unsupported {1027	() => {1028		Err(<Error<T>>::UnsupportedOperation.into())1029	};1030}10311032/// Worst cases1033pub trait CommonWeightInfo<CrossAccountId> {1034	fn create_item() -> Weight;1035	fn create_multiple_items(amount: u32) -> Weight;1036	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;1037	fn burn_item() -> Weight;1038	fn set_collection_properties(amount: u32) -> Weight;1039	fn delete_collection_properties(amount: u32) -> Weight;1040	fn set_token_properties(amount: u32) -> Weight;1041	fn delete_token_properties(amount: u32) -> Weight;1042	fn set_property_permissions(amount: u32) -> Weight;1043	fn transfer() -> Weight;1044	fn approve() -> Weight;1045	fn transfer_from() -> Weight;1046	fn burn_from() -> Weight;1047}10481049pub trait CommonCollectionOperations<T: Config> {1050	fn create_item(1051		&self,1052		sender: T::CrossAccountId,1053		to: T::CrossAccountId,1054		data: CreateItemData,1055		nesting_budget: &dyn Budget,1056	) -> DispatchResultWithPostInfo;1057	fn create_multiple_items(1058		&self,1059		sender: T::CrossAccountId,1060		to: T::CrossAccountId,1061		data: Vec<CreateItemData>,1062		nesting_budget: &dyn Budget,1063	) -> DispatchResultWithPostInfo;1064	fn create_multiple_items_ex(1065		&self,1066		sender: T::CrossAccountId,1067		data: CreateItemExData<T::CrossAccountId>,1068		nesting_budget: &dyn Budget,1069	) -> DispatchResultWithPostInfo;1070	fn burn_item(1071		&self,1072		sender: T::CrossAccountId,1073		token: TokenId,1074		amount: u128,1075	) -> DispatchResultWithPostInfo;1076	fn set_collection_properties(1077		&self,1078		sender: T::CrossAccountId,1079		properties: Vec<Property>,1080	) -> DispatchResultWithPostInfo;1081	fn delete_collection_properties(1082		&self,1083		sender: &T::CrossAccountId,1084		property_keys: Vec<PropertyKey>,1085	) -> DispatchResultWithPostInfo;1086	fn set_token_properties(1087		&self,1088		sender: T::CrossAccountId,1089		token_id: TokenId,1090		property: Vec<Property>,1091	) -> DispatchResultWithPostInfo;1092	fn delete_token_properties(1093		&self,1094		sender: T::CrossAccountId,1095		token_id: TokenId,1096		property_keys: Vec<PropertyKey>,1097	) -> DispatchResultWithPostInfo;1098	fn set_property_permissions(1099		&self,1100		sender: &T::CrossAccountId,1101		property_permissions: Vec<PropertyKeyPermission>,1102	) -> DispatchResultWithPostInfo;1103	fn transfer(1104		&self,1105		sender: T::CrossAccountId,1106		to: T::CrossAccountId,1107		token: TokenId,1108		amount: u128,1109		nesting_budget: &dyn Budget,1110	) -> DispatchResultWithPostInfo;1111	fn approve(1112		&self,1113		sender: T::CrossAccountId,1114		spender: T::CrossAccountId,1115		token: TokenId,1116		amount: u128,1117	) -> DispatchResultWithPostInfo;1118	fn transfer_from(1119		&self,1120		sender: T::CrossAccountId,1121		from: T::CrossAccountId,1122		to: T::CrossAccountId,1123		token: TokenId,1124		amount: u128,1125		nesting_budget: &dyn Budget,1126	) -> DispatchResultWithPostInfo;1127	fn burn_from(1128		&self,1129		sender: T::CrossAccountId,1130		from: T::CrossAccountId,1131		token: TokenId,1132		amount: u128,1133		nesting_budget: &dyn Budget,1134	) -> DispatchResultWithPostInfo;11351136	fn check_nesting(1137		&self,1138		sender: T::CrossAccountId,1139		from: (CollectionId, TokenId),1140		under: TokenId,1141		budget: &dyn Budget,1142	) -> DispatchResult;11431144	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;1145	fn collection_tokens(&self) -> Vec<TokenId>;1146	fn token_exists(&self, token: TokenId) -> bool;1147	fn last_token_id(&self) -> TokenId;11481149	fn token_owner(&self, token: TokenId) -> Option<T::CrossAccountId>;1150	fn const_metadata(&self, token: TokenId) -> Vec<u8>;1151	fn token_properties(&self, token_id: TokenId, keys: Vec<PropertyKey>) -> Vec<Property>;1152	/// Amount of unique collection tokens1153	fn total_supply(&self) -> u32;1154	/// Amount of different tokens account has (Applicable to nonfungible/refungible)1155	fn account_balance(&self, account: T::CrossAccountId) -> u32;1156	/// Amount of specific token account have (Applicable to fungible/refungible)1157	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;1158	fn allowance(1159		&self,1160		sender: T::CrossAccountId,1161		spender: T::CrossAccountId,1162		token: TokenId,1163	) -> u128;1164}11651166// Flexible enough for implementing CommonCollectionOperations1167pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {1168	let post_info = PostDispatchInfo {1169		actual_weight: Some(weight),1170		pays_fee: Pays::Yes,1171	};1172	match res {1173		Ok(()) => Ok(post_info),1174		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),1175	}1176}11771178impl<T: Config> From<PropertiesError> for Error<T> {1179	fn from(error: PropertiesError) -> Self {1180		match error {1181			PropertiesError::NoSpaceForProperty => Self::NoSpaceForProperty,1182			PropertiesError::PropertyLimitReached => Self::PropertyLimitReached,1183			PropertiesError::InvalidCharacterInPropertyKey => Self::InvalidCharacterInPropertyKey,1184			PropertiesError::EmptyPropertyKey => Self::EmptyPropertyKey,1185		}1186	}1187}