git.delta.rocks / unique-network / refs/commits / e760275e5cdb

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,34	Collection,35	RpcCollection,36	CollectionId,37	CreateItemData,38	MAX_TOKEN_PREFIX_LENGTH,39	COLLECTION_ADMINS_LIMIT,40	TokenId,41	CollectionStats,42	MAX_TOKEN_OWNERSHIP,43	CollectionMode,44	NFT_SPONSOR_TRANSFER_TIMEOUT,45	FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,46	REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,47	MAX_SPONSOR_TIMEOUT,48	CUSTOM_DATA_LIMIT,49	CollectionLimits,50	CreateCollectionData,51	SponsorshipState,52	CreateItemExData,53	SponsoringRateLimit,54	budget::Budget,55	COLLECTION_FIELD_LIMIT,56	CollectionField,57	PhantomType,58	Property,59	Properties,60	PropertiesPermissionMap,61	PropertyKey,62	PropertyPermission,63	PropertiesError,64	PropertyKeyPermission,65	TokenData,66	TrySetProperty,67	PropertyScope,68	// RMRK69	RmrkCollectionInfo,70	RmrkInstanceInfo,71	RmrkResourceInfo,72	RmrkPropertyInfo,73	RmrkBaseInfo,74	RmrkPartType,75	RmrkTheme,76	RmrkNftChild,77};7879pub use pallet::*;80use sp_core::H160;81use sp_runtime::{ArithmeticError, DispatchError, DispatchResult};82#[cfg(feature = "runtime-benchmarks")]83pub mod benchmarking;84pub mod dispatch;85pub mod erc;86pub mod eth;8788#[must_use = "Should call submit_logs or save, otherwise some data will be lost for evm side"]89pub struct CollectionHandle<T: Config> {90	pub id: CollectionId,91	collection: Collection<T::AccountId>,92	pub recorder: SubstrateRecorder<T>,93}94impl<T: Config> WithRecorder<T> for CollectionHandle<T> {95	fn recorder(&self) -> &SubstrateRecorder<T> {96		&self.recorder97	}98	fn into_recorder(self) -> SubstrateRecorder<T> {99		self.recorder100	}101}102impl<T: Config> CollectionHandle<T> {103	pub fn new_with_gas_limit(id: CollectionId, gas_limit: u64) -> Option<Self> {104		<CollectionById<T>>::get(id).map(|collection| Self {105			id,106			collection,107			recorder: SubstrateRecorder::new(gas_limit),108		})109	}110	pub fn new(id: CollectionId) -> Option<Self> {111		Self::new_with_gas_limit(id, u64::MAX)112	}113	pub fn try_get(id: CollectionId) -> Result<Self, DispatchError> {114		Ok(Self::new(id).ok_or(<Error<T>>::CollectionNotFound)?)115	}116	pub fn consume_store_reads(&self, reads: u64) -> evm_coder::execution::Result<()> {117		self.recorder118			.consume_gas(T::GasWeightMapping::weight_to_gas(119				<T as frame_system::Config>::DbWeight::get()120					.read121					.saturating_mul(reads),122			))123	}124	pub fn consume_store_writes(&self, writes: u64) -> evm_coder::execution::Result<()> {125		self.recorder126			.consume_gas(T::GasWeightMapping::weight_to_gas(127				<T as frame_system::Config>::DbWeight::get()128					.write129					.saturating_mul(writes),130			))131	}132	pub fn save(self) -> DispatchResult {133		<CollectionById<T>>::insert(self.id, self.collection);134		Ok(())135	}136}137impl<T: Config> Deref for CollectionHandle<T> {138	type Target = Collection<T::AccountId>;139140	fn deref(&self) -> &Self::Target {141		&self.collection142	}143}144145impl<T: Config> DerefMut for CollectionHandle<T> {146	fn deref_mut(&mut self) -> &mut Self::Target {147		&mut self.collection148	}149}150151impl<T: Config> CollectionHandle<T> {152	pub fn check_is_owner(&self, subject: &T::CrossAccountId) -> DispatchResult {153		ensure!(*subject.as_sub() == self.owner, <Error<T>>::NoPermission);154		Ok(())155	}156	pub fn is_owner_or_admin(&self, subject: &T::CrossAccountId) -> bool {157		*subject.as_sub() == self.owner || <IsAdmin<T>>::get((self.id, subject))158	}159	pub fn check_is_owner_or_admin(&self, subject: &T::CrossAccountId) -> DispatchResult {160		ensure!(self.is_owner_or_admin(subject), <Error<T>>::NoPermission);161		Ok(())162	}163	pub fn ignores_allowance(&self, user: &T::CrossAccountId) -> bool {164		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)165	}166	pub fn ignores_owned_amount(&self, user: &T::CrossAccountId) -> bool {167		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)168	}169	pub fn check_allowlist(&self, user: &T::CrossAccountId) -> DispatchResult {170		ensure!(171			<Allowlist<T>>::get((self.id, user)),172			<Error<T>>::AddressNotInAllowlist173		);174		Ok(())175	}176}177178#[frame_support::pallet]179pub mod pallet {180	use super::*;181	use pallet_evm::account;182	use dispatch::CollectionDispatch;183	use frame_support::{Blake2_128Concat, pallet_prelude::*, storage::Key, traits::StorageVersion};184	use frame_system::pallet_prelude::*;185	use frame_support::traits::Currency;186	use up_data_structs::{TokenId, mapping::TokenAddressMapping};187	use scale_info::TypeInfo;188189	#[pallet::config]190	pub trait Config:191		frame_system::Config + pallet_evm_coder_substrate::Config + TypeInfo + account::Config192	{193		type Event: IsType<<Self as frame_system::Config>::Event> + From<Event<Self>>;194195		type Currency: Currency<Self::AccountId>;196197		#[pallet::constant]198		type CollectionCreationPrice: Get<199			<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,200		>;201		type CollectionDispatch: CollectionDispatch<Self>;202203		type TreasuryAccountId: Get<Self::AccountId>;204205		type EvmTokenAddressMapping: TokenAddressMapping<H160>;206		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;207	}208209	const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);210211	#[pallet::pallet]212	#[pallet::storage_version(STORAGE_VERSION)]213	#[pallet::generate_store(pub(super) trait Store)]214	pub struct Pallet<T>(_);215216	#[pallet::extra_constants]217	impl<T: Config> Pallet<T> {218		pub fn collection_admins_limit() -> u32 {219			COLLECTION_ADMINS_LIMIT220		}221	}222223	#[pallet::event]224	#[pallet::generate_deposit(pub fn deposit_event)]225	pub enum Event<T: Config> {226		/// New collection was created227		///228		/// # Arguments229		///230		/// * collection_id: Globally unique identifier of newly created collection.231		///232		/// * mode: [CollectionMode] converted into u8.233		///234		/// * account_id: Collection owner.235		CollectionCreated(CollectionId, u8, T::AccountId),236237		/// New collection was destroyed238		///239		/// # Arguments240		///241		/// * collection_id: Globally unique identifier of collection.242		CollectionDestroyed(CollectionId),243244		/// New item was created.245		///246		/// # Arguments247		///248		/// * collection_id: Id of the collection where item was created.249		///250		/// * item_id: Id of an item. Unique within the collection.251		///252		/// * recipient: Owner of newly created item253		///254		/// * amount: Always 1 for NFT255		ItemCreated(CollectionId, TokenId, T::CrossAccountId, u128),256257		/// Collection item was burned.258		///259		/// # Arguments260		///261		/// * collection_id.262		///263		/// * item_id: Identifier of burned NFT.264		///265		/// * owner: which user has destroyed its tokens266		///267		/// * amount: Always 1 for NFT268		ItemDestroyed(CollectionId, TokenId, T::CrossAccountId, u128),269270		/// Item was transferred271		///272		/// * collection_id: Id of collection to which item is belong273		///274		/// * item_id: Id of an item275		///276		/// * sender: Original owner of item277		///278		/// * recipient: New owner of item279		///280		/// * amount: Always 1 for NFT281		Transfer(282			CollectionId,283			TokenId,284			T::CrossAccountId,285			T::CrossAccountId,286			u128,287		),288289		/// * collection_id290		///291		/// * item_id292		///293		/// * sender294		///295		/// * spender296		///297		/// * amount298		Approved(299			CollectionId,300			TokenId,301			T::CrossAccountId,302			T::CrossAccountId,303			u128,304		),305306		CollectionPropertySet(CollectionId, PropertyKey),307308		CollectionPropertyDeleted(CollectionId, PropertyKey),309310		TokenPropertySet(CollectionId, TokenId, PropertyKey),311312		TokenPropertyDeleted(CollectionId, TokenId, PropertyKey),313314		PropertyPermissionSet(CollectionId, PropertyKey),315	}316317	#[pallet::error]318	pub enum Error<T> {319		/// This collection does not exist.320		CollectionNotFound,321		/// Sender parameter and item owner must be equal.322		MustBeTokenOwner,323		/// No permission to perform action324		NoPermission,325		/// Collection is not in mint mode.326		PublicMintingNotAllowed,327		/// Address is not in allow list.328		AddressNotInAllowlist,329330		/// Collection name can not be longer than 63 char.331		CollectionNameLimitExceeded,332		/// Collection description can not be longer than 255 char.333		CollectionDescriptionLimitExceeded,334		/// Token prefix can not be longer than 15 char.335		CollectionTokenPrefixLimitExceeded,336		/// Total collections bound exceeded.337		TotalCollectionsLimitExceeded,338		/// Exceeded max admin count339		CollectionAdminCountExceeded,340		/// Collection limit bounds per collection exceeded341		CollectionLimitBoundsExceeded,342		/// Tried to enable permissions which are only permitted to be disabled343		OwnerPermissionsCantBeReverted,344		/// Collection settings not allowing items transferring345		TransferNotAllowed,346		/// Account token limit exceeded per collection347		AccountTokenLimitExceeded,348		/// Collection token limit exceeded349		CollectionTokenLimitExceeded,350		/// Metadata flag frozen351		MetadataFlagFrozen,352353		/// Item not exists.354		TokenNotFound,355		/// Item balance not enough.356		TokenValueTooLow,357		/// Requested value more than approved.358		ApprovedValueTooLow,359		/// Tried to approve more than owned360		CantApproveMoreThanOwned,361362		/// Can't transfer tokens to ethereum zero address363		AddressIsZero,364		/// Target collection doesn't supports this operation365		UnsupportedOperation,366367		/// Not sufficient founds to perform action368		NotSufficientFounds,369370		/// Collection has nesting disabled371		NestingIsDisabled,372		/// Only owner may nest tokens under this collection373		OnlyOwnerAllowedToNest,374		/// Only tokens from specific collections may nest tokens under this375		SourceCollectionIsNotAllowedToNest,376377		/// Tried to store more data than allowed in collection field378		CollectionFieldSizeExceeded,379380		/// Tried to store more property data than allowed381		NoSpaceForProperty,382383		/// Tried to store more property keys than allowed384		PropertyLimitReached,385386		/// Property key is too long387		PropertyKeyIsTooLong,388389		/// Only ASCII letters, digits, and '_', '-' are allowed390		InvalidCharacterInPropertyKey,391392		/// Empty property keys are forbidden393		EmptyPropertyKey,394	}395396	#[pallet::storage]397	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;398	#[pallet::storage]399	pub type DestroyedCollectionCount<T> =400		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;401402	/// Collection info403	#[pallet::storage]404	pub type CollectionById<T> = StorageMap<405		Hasher = Blake2_128Concat,406		Key = CollectionId,407		Value = Collection<<T as frame_system::Config>::AccountId>,408		QueryKind = OptionQuery,409	>;410411	/// Collection properties412	#[pallet::storage]413	#[pallet::getter(fn collection_properties)]414	pub type CollectionProperties<T> = StorageMap<415		Hasher = Blake2_128Concat,416		Key = CollectionId,417		Value = Properties,418		QueryKind = ValueQuery,419		OnEmpty = up_data_structs::CollectionProperties,420	>;421422	#[pallet::storage]423	#[pallet::getter(fn property_permissions)]424	pub type CollectionPropertyPermissions<T> = StorageMap<425		Hasher = Blake2_128Concat,426		Key = CollectionId,427		Value = PropertiesPermissionMap,428		QueryKind = ValueQuery,429	>;430431	/// Large variable-size collection fields are extracted here432	#[pallet::storage]433	pub type CollectionData<T> = StorageNMap<434		Key = (435			Key<Twox64Concat, CollectionId>,436			Key<Twox64Concat, CollectionField>,437		),438		Value = BoundedVec<u8, ConstU32<COLLECTION_FIELD_LIMIT>>,439		QueryKind = ValueQuery,440	>;441442	#[pallet::storage]443	pub type AdminAmount<T> = StorageMap<444		Hasher = Blake2_128Concat,445		Key = CollectionId,446		Value = u32,447		QueryKind = ValueQuery,448	>;449450	/// List of collection admins451	#[pallet::storage]452	pub type IsAdmin<T: Config> = StorageNMap<453		Key = (454			Key<Blake2_128Concat, CollectionId>,455			Key<Blake2_128Concat, T::CrossAccountId>,456		),457		Value = bool,458		QueryKind = ValueQuery,459	>;460461	/// Allowlisted collection users462	#[pallet::storage]463	pub type Allowlist<T: Config> = StorageNMap<464		Key = (465			Key<Blake2_128Concat, CollectionId>,466			Key<Blake2_128Concat, T::CrossAccountId>,467		),468		Value = bool,469		QueryKind = ValueQuery,470	>;471472	/// Not used by code, exists only to provide some types to metadata473	#[pallet::storage]474	pub type DummyStorageValue<T: Config> = StorageValue<475		Value = (476			CollectionStats,477			CollectionId,478			TokenId,479			PhantomType<TokenData<T::CrossAccountId>>,480			PhantomType<RpcCollection<T::AccountId>>,481			// RMRK482			PhantomType<RmrkCollectionInfo<T::AccountId>>,483			PhantomType<RmrkInstanceInfo<T::AccountId>>,484			PhantomType<RmrkResourceInfo>,485			PhantomType<RmrkPropertyInfo>,486			PhantomType<RmrkBaseInfo<T::AccountId>>,487			PhantomType<RmrkPartType>,488			PhantomType<RmrkTheme>,489			PhantomType<RmrkNftChild>,490		),491		QueryKind = OptionQuery,492	>;493494	#[pallet::hooks]495	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {496		fn on_runtime_upgrade() -> Weight {497			if StorageVersion::get::<Pallet<T>>() < StorageVersion::new(1) {498				use up_data_structs::{CollectionVersion1, CollectionVersion2};499				<CollectionById<T>>::translate::<CollectionVersion1<T::AccountId>, _>(|id, v| {500					Self::set_field_raw(501						id,502						CollectionField::OffchainSchema,503						v.offchain_schema.clone().into_inner(),504					)505					.expect("data has lower bounds than field");506					Self::set_field_raw(507						id,508						CollectionField::ConstOnChainSchema,509						v.const_on_chain_schema.clone().into_inner(),510					)511					.expect("data has lower bounds than field");512513					Some(CollectionVersion2::from(v))514				});515			}516517			0518		}519	}520}521522impl<T: Config> Pallet<T> {523	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens524	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {525		ensure!(526			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,527			<Error<T>>::AddressIsZero528		);529		Ok(())530	}531	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {532		<IsAdmin<T>>::iter_prefix((collection,))533			.map(|(a, _)| a)534			.collect()535	}536	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {537		<Allowlist<T>>::iter_prefix((collection,))538			.map(|(a, _)| a)539			.collect()540	}541	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {542		<Allowlist<T>>::get((collection, user))543	}544	pub fn collection_stats() -> CollectionStats {545		let created = <CreatedCollectionCount<T>>::get();546		let destroyed = <DestroyedCollectionCount<T>>::get();547		CollectionStats {548			created: created.0,549			destroyed: destroyed.0,550			alive: created.0 - destroyed.0,551		}552	}553554	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {555		let collection = <CollectionById<T>>::get(collection);556		if collection.is_none() {557			return None;558		}559560		let collection = collection.unwrap();561		let limits = collection.limits;562		let effective_limits = CollectionLimits {563			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),564			sponsored_data_size: Some(limits.sponsored_data_size()),565			sponsored_data_rate_limit: Some(566				limits567					.sponsored_data_rate_limit568					.unwrap_or(SponsoringRateLimit::SponsoringDisabled),569			),570			token_limit: Some(limits.token_limit()),571			sponsor_transfer_timeout: Some(limits.sponsor_transfer_timeout(572				match collection.mode {573					CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,574					CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,575					CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,576				},577			)),578			sponsor_approve_timeout: Some(limits.sponsor_approve_timeout()),579			owner_can_transfer: Some(limits.owner_can_transfer()),580			owner_can_destroy: Some(limits.owner_can_destroy()),581			transfers_enabled: Some(limits.transfers_enabled()),582			nesting_rule: Some(limits.nesting_rule().clone()),583		};584585		Some(effective_limits)586	}587588	pub fn rpc_collection(collection: CollectionId) -> Option<RpcCollection<T::AccountId>> {589		let Collection {590			name,591			description,592			owner,593			mode,594			access,595			token_prefix,596			mint_mode,597			schema_version,598			sponsorship,599			limits,600		} = <CollectionById<T>>::get(collection)?;601602		let token_property_permissions = <CollectionPropertyPermissions<T>>::get(collection)603			.iter()604			.map(|(key, permission)| PropertyKeyPermission {605				key: key.clone(),606				permission: permission.clone(),607			})608			.collect();609610		let properties = <CollectionProperties<T>>::get(collection)611			.iter()612			.map(|(key, value)| Property {613				key: key.clone(),614				value: value.clone(),615			})616			.collect();617618		Some(RpcCollection {619			name: name.into_inner(),620			description: description.into_inner(),621			owner,622			mode,623			access,624			token_prefix: token_prefix.into_inner(),625			mint_mode,626			schema_version,627			sponsorship,628			limits,629			offchain_schema: <CollectionData<T>>::get((630				collection,631				CollectionField::OffchainSchema,632			))633			.into_inner(),634			const_on_chain_schema: <CollectionData<T>>::get((635				collection,636				CollectionField::ConstOnChainSchema,637			))638			.into_inner(),639			token_property_permissions,640			properties,641		})642	}643}644645impl<T: Config> Pallet<T> {646	pub fn init_collection(647		owner: T::AccountId,648		data: CreateCollectionData<T::AccountId>,649	) -> Result<CollectionId, DispatchError> {650		{651			ensure!(652				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,653				Error::<T>::CollectionTokenPrefixLimitExceeded654			);655		}656657		let created_count = <CreatedCollectionCount<T>>::get()658			.0659			.checked_add(1)660			.ok_or(ArithmeticError::Overflow)?;661		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;662		let id = CollectionId(created_count);663664		// bound Total number of collections665		ensure!(666			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,667			<Error<T>>::TotalCollectionsLimitExceeded668		);669670		// =========671672		let collection = Collection {673			owner: owner.clone(),674			name: data.name,675			mode: data.mode.clone(),676			mint_mode: false,677			access: data.access.unwrap_or_default(),678			description: data.description,679			token_prefix: data.token_prefix,680			schema_version: data.schema_version.unwrap_or_default(),681			sponsorship: data682				.pending_sponsor683				.map(SponsorshipState::Unconfirmed)684				.unwrap_or_default(),685			limits: data686				.limits687				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))688				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,689		};690691		let mut collection_properties = up_data_structs::CollectionProperties::get();692		collection_properties693			.try_set_from_iter(data.properties.into_iter())694			.map_err(<Error<T>>::from)?;695696		CollectionProperties::<T>::insert(id, collection_properties);697698		let mut token_props_permissions = PropertiesPermissionMap::new();699		token_props_permissions700			.try_set_from_iter(data.token_property_permissions.into_iter())701			.map_err(<Error<T>>::from)?;702703		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);704705		// Take a (non-refundable) deposit of collection creation706		{707			let mut imbalance =708				<<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();709			imbalance.subsume(710				<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(711					&T::TreasuryAccountId::get(),712					T::CollectionCreationPrice::get(),713				),714			);715			<T as Config>::Currency::settle(716				&owner,717				imbalance,718				WithdrawReasons::TRANSFER,719				ExistenceRequirement::KeepAlive,720			)721			.map_err(|_| Error::<T>::NotSufficientFounds)?;722		}723724		<CreatedCollectionCount<T>>::put(created_count);725		<Pallet<T>>::deposit_event(Event::CollectionCreated(id, data.mode.id(), owner.clone()));726		<CollectionById<T>>::insert(id, collection);727		Self::set_field_raw(728			id,729			CollectionField::OffchainSchema,730			data.offchain_schema.into_inner(),731		)732		.expect("data has lower bounds than field");733		Self::set_field_raw(734			id,735			CollectionField::ConstOnChainSchema,736			data.const_on_chain_schema.into_inner(),737		)738		.expect("data has lower bounds than field");739		Ok(id)740	}741742	pub fn destroy_collection(743		collection: CollectionHandle<T>,744		sender: &T::CrossAccountId,745	) -> DispatchResult {746		ensure!(747			collection.limits.owner_can_destroy(),748			<Error<T>>::NoPermission,749		);750		collection.check_is_owner(sender)?;751752		let destroyed_collections = <DestroyedCollectionCount<T>>::get()753			.0754			.checked_add(1)755			.ok_or(ArithmeticError::Overflow)?;756757		// =========758759		<DestroyedCollectionCount<T>>::put(destroyed_collections);760		<CollectionById<T>>::remove(collection.id);761		<CollectionData<T>>::remove_prefix((collection.id,), None);762		<AdminAmount<T>>::remove(collection.id);763		<IsAdmin<T>>::remove_prefix((collection.id,), None);764		<Allowlist<T>>::remove_prefix((collection.id,), None);765		<CollectionProperties<T>>::remove(collection.id);766767		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));768		Ok(())769	}770771	pub fn set_collection_property(772		collection: &CollectionHandle<T>,773		sender: &T::CrossAccountId,774		property: Property,775	) -> DispatchResult {776		collection.check_is_owner_or_admin(sender)?;777778		CollectionProperties::<T>::try_mutate(collection.id, |properties| {779			let property = property.clone();780			properties.try_set(property.key, property.value)781		})782		.map_err(<Error<T>>::from)?;783784		Self::deposit_event(Event::CollectionPropertySet(collection.id, property.key));785786		Ok(())787	}788789	pub fn set_scoped_collection_property(790		collection: &CollectionHandle<T>,791		scope: PropertyScope,792		property: Property,793	) -> DispatchResult {794		CollectionProperties::<T>::try_mutate(collection.id, |properties| {795			properties.try_scoped_set(scope, property.key, property.value)796		})797		.map_err(<Error<T>>::from)?;798799		Ok(())800	}801802	#[transactional]803	pub fn set_scoped_collection_properties(804		collection: &CollectionHandle<T>,805		scope: PropertyScope,806		properties: impl Iterator<Item=Property>,807	) -> DispatchResult {808		CollectionProperties::<T>::try_mutate(collection.id, |stored_properties| {809			stored_properties.try_scoped_set_from_iter(scope, properties)810		})811		.map_err(<Error<T>>::from)?;812813		Ok(())814	}815816	#[transactional]817	pub fn set_collection_properties(818		collection: &CollectionHandle<T>,819		sender: &T::CrossAccountId,820		properties: Vec<Property>,821	) -> DispatchResult {822		for property in properties {823			Self::set_collection_property(collection, sender, property)?;824		}825826		Ok(())827	}828829	pub fn delete_collection_property(830		collection: &CollectionHandle<T>,831		sender: &T::CrossAccountId,832		property_key: PropertyKey,833	) -> DispatchResult {834		collection.check_is_owner_or_admin(sender)?;835836		CollectionProperties::<T>::try_mutate(collection.id, |properties| {837			properties.remove(&property_key)838		})839		.map_err(<Error<T>>::from)?;840841		Self::deposit_event(Event::CollectionPropertyDeleted(842			collection.id,843			property_key,844		));845846		Ok(())847	}848849	#[transactional]850	pub fn delete_collection_properties(851		collection: &CollectionHandle<T>,852		sender: &T::CrossAccountId,853		property_keys: Vec<PropertyKey>,854	) -> DispatchResult {855		for key in property_keys {856			Self::delete_collection_property(collection, sender, key)?;857		}858859		Ok(())860	}861862	pub fn set_property_permission(863		collection: &CollectionHandle<T>,864		sender: &T::CrossAccountId,865		property_permission: PropertyKeyPermission,866	) -> DispatchResult {867		collection.check_is_owner_or_admin(sender)?;868869		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);870		let current_permission = all_permissions.get(&property_permission.key);871		if matches![872			current_permission,873			Some(PropertyPermission { mutable: false, .. })874		] {875			return Err(<Error<T>>::NoPermission.into());876		}877878		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {879			let property_permission = property_permission.clone();880			permissions.try_set(property_permission.key, property_permission.permission)881		})882		.map_err(<Error<T>>::from)?;883884		Self::deposit_event(Event::PropertyPermissionSet(885			collection.id,886			property_permission.key,887		));888889		Ok(())890	}891892	#[transactional]893	pub fn set_property_permissions(894		collection: &CollectionHandle<T>,895		sender: &T::CrossAccountId,896		property_permissions: Vec<PropertyKeyPermission>,897	) -> DispatchResult {898		for prop_pemission in property_permissions {899			Self::set_property_permission(collection, sender, prop_pemission)?;900		}901902		Ok(())903	}904905	pub fn bytes_keys_to_property_keys(906		keys: Vec<Vec<u8>>,907	) -> Result<Vec<PropertyKey>, DispatchError> {908		keys.into_iter()909			.map(|key| -> Result<PropertyKey, DispatchError> {910				key.try_into()911					.map_err(|_| <Error<T>>::PropertyKeyIsTooLong.into())912			})913			.collect::<Result<Vec<PropertyKey>, DispatchError>>()914	}915916	pub fn filter_collection_properties(917		collection_id: CollectionId,918		keys: Option<Vec<PropertyKey>>,919	) -> Result<Vec<Property>, DispatchError> {920		let properties = Self::collection_properties(collection_id);921922		let properties = keys923			.map(|keys| {924				keys.into_iter()925					.filter_map(|key| {926						properties.get(&key).map(|value| Property {927							key,928							value: value.clone(),929						})930					})931					.collect()932			})933			.unwrap_or_else(|| {934				properties935					.iter()936					.map(|(key, value)| Property {937						key: key.clone(),938						value: value.clone(),939					})940					.collect()941			});942943		Ok(properties)944	}945946	pub fn filter_property_permissions(947		collection_id: CollectionId,948		keys: Option<Vec<PropertyKey>>,949	) -> Result<Vec<PropertyKeyPermission>, DispatchError> {950		let permissions = Self::property_permissions(collection_id);951952		let key_permissions = keys953			.map(|keys| {954				keys.into_iter()955					.filter_map(|key| {956						permissions957							.get(&key)958							.map(|permission| PropertyKeyPermission {959								key,960								permission: permission.clone(),961							})962					})963					.collect()964			})965			.unwrap_or_else(|| {966				permissions967					.iter()968					.map(|(key, permission)| PropertyKeyPermission {969						key: key.clone(),970						permission: permission.clone(),971					})972					.collect()973			});974975		Ok(key_permissions)976	}977978	fn set_field_raw(979		collection_id: CollectionId,980		field: CollectionField,981		value: Vec<u8>,982	) -> DispatchResult {983		if !value.is_empty() {984			<CollectionData<T>>::insert(985				(collection_id, field),986				BoundedVec::try_from(value).map_err(|_| <Error<T>>::CollectionFieldSizeExceeded)?,987			)988		} else {989			<CollectionData<T>>::remove((collection_id, field));990		}991		Ok(())992	}993994	pub fn set_field(995		collection: &CollectionHandle<T>,996		sender: &T::CrossAccountId,997		field: CollectionField,998		value: Vec<u8>,999	) -> DispatchResult {1000		collection.check_is_owner_or_admin(sender)?;10011002		// =========10031004		Self::set_field_raw(collection.id, field, value)1005	}10061007	pub fn toggle_allowlist(1008		collection: &CollectionHandle<T>,1009		sender: &T::CrossAccountId,1010		user: &T::CrossAccountId,1011		allowed: bool,1012	) -> DispatchResult {1013		collection.check_is_owner_or_admin(sender)?;10141015		// =========10161017		if allowed {1018			<Allowlist<T>>::insert((collection.id, user), true);1019		} else {1020			<Allowlist<T>>::remove((collection.id, user));1021		}10221023		Ok(())1024	}10251026	pub fn toggle_admin(1027		collection: &CollectionHandle<T>,1028		sender: &T::CrossAccountId,1029		user: &T::CrossAccountId,1030		admin: bool,1031	) -> DispatchResult {1032		collection.check_is_owner_or_admin(sender)?;10331034		let was_admin = <IsAdmin<T>>::get((collection.id, user));1035		if was_admin == admin {1036			return Ok(());1037		}1038		let amount = <AdminAmount<T>>::get(collection.id);10391040		if admin {1041			let amount = amount1042				.checked_add(1)1043				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;1044			ensure!(1045				amount <= Self::collection_admins_limit(),1046				<Error<T>>::CollectionAdminCountExceeded,1047			);10481049			// =========10501051			<AdminAmount<T>>::insert(collection.id, amount);1052			<IsAdmin<T>>::insert((collection.id, user), true);1053		} else {1054			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));1055			<IsAdmin<T>>::remove((collection.id, user));1056		}10571058		Ok(())1059	}10601061	pub fn clamp_limits(1062		mode: CollectionMode,1063		old_limit: &CollectionLimits,1064		mut new_limit: CollectionLimits,1065	) -> Result<CollectionLimits, DispatchError> {1066		macro_rules! limit_default {1067				($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{1068					$(1069						if let Some($new) = $new.$field {1070							let $old = $old.$field($($arg)?);1071							let _ = $new;1072							let _ = $old;1073							$check1074						} else {1075							$new.$field = $old.$field1076						}1077					)*1078				}};1079			}10801081		limit_default!(old_limit, new_limit,1082			account_token_ownership_limit => ensure!(1083				new_limit <= MAX_TOKEN_OWNERSHIP,1084				<Error<T>>::CollectionLimitBoundsExceeded,1085			),1086			sponsor_transfer_timeout(match mode {1087				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,1088				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1089				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1090			}) => ensure!(1091				new_limit <= MAX_SPONSOR_TIMEOUT,1092				<Error<T>>::CollectionLimitBoundsExceeded,1093			),1094			sponsored_data_size => ensure!(1095				new_limit <= CUSTOM_DATA_LIMIT,1096				<Error<T>>::CollectionLimitBoundsExceeded,1097			),1098			token_limit => ensure!(1099				old_limit >= new_limit && new_limit > 0,1100				<Error<T>>::CollectionTokenLimitExceeded1101			),1102			owner_can_transfer => ensure!(1103				old_limit || !new_limit,1104				<Error<T>>::OwnerPermissionsCantBeReverted,1105			),1106			owner_can_destroy => ensure!(1107				old_limit || !new_limit,1108				<Error<T>>::OwnerPermissionsCantBeReverted,1109			),1110			sponsored_data_rate_limit => {},1111			transfers_enabled => {},1112		);1113		Ok(new_limit)1114	}1115}11161117#[macro_export]1118macro_rules! unsupported {1119	() => {1120		Err(<Error<T>>::UnsupportedOperation.into())1121	};1122}11231124/// Worst cases1125pub trait CommonWeightInfo<CrossAccountId> {1126	fn create_item() -> Weight;1127	fn create_multiple_items(amount: u32) -> Weight;1128	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;1129	fn burn_item() -> Weight;1130	fn set_collection_properties(amount: u32) -> Weight;1131	fn delete_collection_properties(amount: u32) -> Weight;1132	fn set_token_properties(amount: u32) -> Weight;1133	fn delete_token_properties(amount: u32) -> Weight;1134	fn set_property_permissions(amount: u32) -> Weight;1135	fn transfer() -> Weight;1136	fn approve() -> Weight;1137	fn transfer_from() -> Weight;1138	fn burn_from() -> Weight;1139}11401141pub trait CommonCollectionOperations<T: Config> {1142	fn create_item(1143		&self,1144		sender: T::CrossAccountId,1145		to: T::CrossAccountId,1146		data: CreateItemData,1147		nesting_budget: &dyn Budget,1148	) -> DispatchResultWithPostInfo;1149	fn create_multiple_items(1150		&self,1151		sender: T::CrossAccountId,1152		to: T::CrossAccountId,1153		data: Vec<CreateItemData>,1154		nesting_budget: &dyn Budget,1155	) -> DispatchResultWithPostInfo;1156	fn create_multiple_items_ex(1157		&self,1158		sender: T::CrossAccountId,1159		data: CreateItemExData<T::CrossAccountId>,1160		nesting_budget: &dyn Budget,1161	) -> DispatchResultWithPostInfo;1162	fn burn_item(1163		&self,1164		sender: T::CrossAccountId,1165		token: TokenId,1166		amount: u128,1167	) -> DispatchResultWithPostInfo;1168	fn set_collection_properties(1169		&self,1170		sender: T::CrossAccountId,1171		properties: Vec<Property>,1172	) -> DispatchResultWithPostInfo;1173	fn delete_collection_properties(1174		&self,1175		sender: &T::CrossAccountId,1176		property_keys: Vec<PropertyKey>,1177	) -> DispatchResultWithPostInfo;1178	fn set_token_properties(1179		&self,1180		sender: T::CrossAccountId,1181		token_id: TokenId,1182		property: Vec<Property>,1183	) -> DispatchResultWithPostInfo;1184	fn delete_token_properties(1185		&self,1186		sender: T::CrossAccountId,1187		token_id: TokenId,1188		property_keys: Vec<PropertyKey>,1189	) -> DispatchResultWithPostInfo;1190	fn set_property_permissions(1191		&self,1192		sender: &T::CrossAccountId,1193		property_permissions: Vec<PropertyKeyPermission>,1194	) -> DispatchResultWithPostInfo;1195	fn transfer(1196		&self,1197		sender: T::CrossAccountId,1198		to: T::CrossAccountId,1199		token: TokenId,1200		amount: u128,1201		nesting_budget: &dyn Budget,1202	) -> DispatchResultWithPostInfo;1203	fn approve(1204		&self,1205		sender: T::CrossAccountId,1206		spender: T::CrossAccountId,1207		token: TokenId,1208		amount: u128,1209	) -> DispatchResultWithPostInfo;1210	fn transfer_from(1211		&self,1212		sender: T::CrossAccountId,1213		from: T::CrossAccountId,1214		to: T::CrossAccountId,1215		token: TokenId,1216		amount: u128,1217		nesting_budget: &dyn Budget,1218	) -> DispatchResultWithPostInfo;1219	fn burn_from(1220		&self,1221		sender: T::CrossAccountId,1222		from: T::CrossAccountId,1223		token: TokenId,1224		amount: u128,1225		nesting_budget: &dyn Budget,1226	) -> DispatchResultWithPostInfo;12271228	fn check_nesting(1229		&self,1230		sender: T::CrossAccountId,1231		from: (CollectionId, TokenId),1232		under: TokenId,1233		budget: &dyn Budget,1234	) -> DispatchResult;12351236	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;1237	fn collection_tokens(&self) -> Vec<TokenId>;1238	fn token_exists(&self, token: TokenId) -> bool;1239	fn last_token_id(&self) -> TokenId;12401241	fn token_owner(&self, token: TokenId) -> Option<T::CrossAccountId>;1242	fn const_metadata(&self, token: TokenId) -> Vec<u8>;1243	fn token_properties(&self, token_id: TokenId, keys: Option<Vec<PropertyKey>>) -> Vec<Property>;1244	/// Amount of unique collection tokens1245	fn total_supply(&self) -> u32;1246	/// Amount of different tokens account has (Applicable to nonfungible/refungible)1247	fn account_balance(&self, account: T::CrossAccountId) -> u32;1248	/// Amount of specific token account have (Applicable to fungible/refungible)1249	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;1250	fn allowance(1251		&self,1252		sender: T::CrossAccountId,1253		spender: T::CrossAccountId,1254		token: TokenId,1255	) -> u128;1256}12571258// Flexible enough for implementing CommonCollectionOperations1259pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {1260	let post_info = PostDispatchInfo {1261		actual_weight: Some(weight),1262		pays_fee: Pays::Yes,1263	};1264	match res {1265		Ok(()) => Ok(post_info),1266		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),1267	}1268}12691270impl<T: Config> From<PropertiesError> for Error<T> {1271	fn from(error: PropertiesError) -> Self {1272		match error {1273			PropertiesError::NoSpaceForProperty => Self::NoSpaceForProperty,1274			PropertiesError::PropertyLimitReached => Self::PropertyLimitReached,1275			PropertiesError::InvalidCharacterInPropertyKey => Self::InvalidCharacterInPropertyKey,1276			PropertiesError::PropertyKeyIsTooLong => Self::PropertyKeyIsTooLong,1277			PropertiesError::EmptyPropertyKey => Self::EmptyPropertyKey,1278		}1279	}1280}