git.delta.rocks / unique-network / refs/commits / e8a3a23736b5

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)]1819extern crate alloc;2021use core::ops::{Deref, DerefMut};22use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};23use sp_std::vec::Vec;24use pallet_evm::account::CrossAccountId;25use frame_support::{26	dispatch::{DispatchErrorWithPostInfo, DispatchResultWithPostInfo, Weight, PostDispatchInfo},27	ensure,28	traits::{Imbalance, Get, Currency, WithdrawReasons, ExistenceRequirement},29	BoundedVec,30	weights::Pays,31	transactional,32};33use pallet_evm::GasWeightMapping;34use up_data_structs::{35	COLLECTION_NUMBER_LIMIT,36	Collection,37	RpcCollection,38	CollectionId,39	CreateItemData,40	MAX_TOKEN_PREFIX_LENGTH,41	COLLECTION_ADMINS_LIMIT,42	TokenId,43	CollectionStats,44	MAX_TOKEN_OWNERSHIP,45	CollectionMode,46	NFT_SPONSOR_TRANSFER_TIMEOUT,47	FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,48	REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,49	MAX_SPONSOR_TIMEOUT,50	CUSTOM_DATA_LIMIT,51	CollectionLimits,52	CreateCollectionData,53	SponsorshipState,54	CreateItemExData,55	SponsoringRateLimit,56	budget::Budget,57	COLLECTION_FIELD_LIMIT,58	CollectionField,59	PhantomType,60	Property,61	Properties,62	PropertiesPermissionMap,63	PropertyKey,64	PropertyValue,65	PropertyPermission,66	PropertiesError,67	PropertyKeyPermission,68	TokenData,69	TrySetProperty,70	PropertyScope,71	// RMRK72	RmrkCollectionInfo,73	RmrkInstanceInfo,74	RmrkResourceInfo,75	RmrkPropertyInfo,76	RmrkBaseInfo,77	RmrkPartType,78	RmrkTheme,79	RmrkNftChild,80};8182pub use pallet::*;83use sp_core::H160;84use sp_runtime::{ArithmeticError, DispatchError, DispatchResult};85#[cfg(feature = "runtime-benchmarks")]86pub mod benchmarking;87pub mod dispatch;88pub mod erc;89pub mod eth;90pub mod weights;9192pub type SelfWeightOf<T> = <T as Config>::WeightInfo;9394#[must_use = "Should call submit_logs or save, otherwise some data will be lost for evm side"]95pub struct CollectionHandle<T: Config> {96	pub id: CollectionId,97	collection: Collection<T::AccountId>,98	pub recorder: SubstrateRecorder<T>,99}100impl<T: Config> WithRecorder<T> for CollectionHandle<T> {101	fn recorder(&self) -> &SubstrateRecorder<T> {102		&self.recorder103	}104	fn into_recorder(self) -> SubstrateRecorder<T> {105		self.recorder106	}107}108impl<T: Config> CollectionHandle<T> {109	pub fn new_with_gas_limit(id: CollectionId, gas_limit: u64) -> Option<Self> {110		<CollectionById<T>>::get(id).map(|collection| Self {111			id,112			collection,113			recorder: SubstrateRecorder::new(gas_limit),114		})115	}116	pub fn new(id: CollectionId) -> Option<Self> {117		Self::new_with_gas_limit(id, u64::MAX)118	}119	pub fn try_get(id: CollectionId) -> Result<Self, DispatchError> {120		Ok(Self::new(id).ok_or(<Error<T>>::CollectionNotFound)?)121	}122	pub fn consume_store_reads(&self, reads: u64) -> evm_coder::execution::Result<()> {123		self.recorder124			.consume_gas(T::GasWeightMapping::weight_to_gas(125				<T as frame_system::Config>::DbWeight::get()126					.read127					.saturating_mul(reads),128			))129	}130	pub fn consume_store_writes(&self, writes: u64) -> evm_coder::execution::Result<()> {131		self.recorder132			.consume_gas(T::GasWeightMapping::weight_to_gas(133				<T as frame_system::Config>::DbWeight::get()134					.write135					.saturating_mul(writes),136			))137	}138	pub fn save(self) -> DispatchResult {139		<CollectionById<T>>::insert(self.id, self.collection);140		Ok(())141	}142}143impl<T: Config> Deref for CollectionHandle<T> {144	type Target = Collection<T::AccountId>;145146	fn deref(&self) -> &Self::Target {147		&self.collection148	}149}150151impl<T: Config> DerefMut for CollectionHandle<T> {152	fn deref_mut(&mut self) -> &mut Self::Target {153		&mut self.collection154	}155}156157impl<T: Config> CollectionHandle<T> {158	pub fn check_is_owner(&self, subject: &T::CrossAccountId) -> DispatchResult {159		ensure!(*subject.as_sub() == self.owner, <Error<T>>::NoPermission);160		Ok(())161	}162	pub fn is_owner_or_admin(&self, subject: &T::CrossAccountId) -> bool {163		*subject.as_sub() == self.owner || <IsAdmin<T>>::get((self.id, subject))164	}165	pub fn check_is_owner_or_admin(&self, subject: &T::CrossAccountId) -> DispatchResult {166		ensure!(self.is_owner_or_admin(subject), <Error<T>>::NoPermission);167		Ok(())168	}169	pub fn ignores_allowance(&self, user: &T::CrossAccountId) -> bool {170		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)171	}172	pub fn ignores_owned_amount(&self, user: &T::CrossAccountId) -> bool {173		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)174	}175	pub fn check_allowlist(&self, user: &T::CrossAccountId) -> DispatchResult {176		ensure!(177			<Allowlist<T>>::get((self.id, user)),178			<Error<T>>::AddressNotInAllowlist179		);180		Ok(())181	}182}183184#[frame_support::pallet]185pub mod pallet {186	use super::*;187	use pallet_evm::account;188	use dispatch::CollectionDispatch;189	use frame_support::{Blake2_128Concat, pallet_prelude::*, storage::Key, traits::StorageVersion};190	use frame_system::pallet_prelude::*;191	use frame_support::traits::Currency;192	use up_data_structs::{TokenId, mapping::TokenAddressMapping};193	use scale_info::TypeInfo;194	use weights::WeightInfo;195196	#[pallet::config]197	pub trait Config:198		frame_system::Config + pallet_evm_coder_substrate::Config + TypeInfo + account::Config199	{200		type WeightInfo: WeightInfo;201		type Event: IsType<<Self as frame_system::Config>::Event> + From<Event<Self>>;202203		type Currency: Currency<Self::AccountId>;204205		#[pallet::constant]206		type CollectionCreationPrice: Get<207			<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,208		>;209		type CollectionDispatch: CollectionDispatch<Self>;210211		type TreasuryAccountId: Get<Self::AccountId>;212213		type EvmTokenAddressMapping: TokenAddressMapping<H160>;214		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;215	}216217	const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);218219	#[pallet::pallet]220	#[pallet::storage_version(STORAGE_VERSION)]221	#[pallet::generate_store(pub(super) trait Store)]222	pub struct Pallet<T>(_);223224	#[pallet::extra_constants]225	impl<T: Config> Pallet<T> {226		pub fn collection_admins_limit() -> u32 {227			COLLECTION_ADMINS_LIMIT228		}229	}230231	#[pallet::event]232	#[pallet::generate_deposit(pub fn deposit_event)]233	pub enum Event<T: Config> {234		/// New collection was created235		///236		/// # Arguments237		///238		/// * collection_id: Globally unique identifier of newly created collection.239		///240		/// * mode: [CollectionMode] converted into u8.241		///242		/// * account_id: Collection owner.243		CollectionCreated(CollectionId, u8, T::AccountId),244245		/// New collection was destroyed246		///247		/// # Arguments248		///249		/// * collection_id: Globally unique identifier of collection.250		CollectionDestroyed(CollectionId),251252		/// New item was created.253		///254		/// # Arguments255		///256		/// * collection_id: Id of the collection where item was created.257		///258		/// * item_id: Id of an item. Unique within the collection.259		///260		/// * recipient: Owner of newly created item261		///262		/// * amount: Always 1 for NFT263		ItemCreated(CollectionId, TokenId, T::CrossAccountId, u128),264265		/// Collection item was burned.266		///267		/// # Arguments268		///269		/// * collection_id.270		///271		/// * item_id: Identifier of burned NFT.272		///273		/// * owner: which user has destroyed its tokens274		///275		/// * amount: Always 1 for NFT276		ItemDestroyed(CollectionId, TokenId, T::CrossAccountId, u128),277278		/// Item was transferred279		///280		/// * collection_id: Id of collection to which item is belong281		///282		/// * item_id: Id of an item283		///284		/// * sender: Original owner of item285		///286		/// * recipient: New owner of item287		///288		/// * amount: Always 1 for NFT289		Transfer(290			CollectionId,291			TokenId,292			T::CrossAccountId,293			T::CrossAccountId,294			u128,295		),296297		/// * collection_id298		///299		/// * item_id300		///301		/// * sender302		///303		/// * spender304		///305		/// * amount306		Approved(307			CollectionId,308			TokenId,309			T::CrossAccountId,310			T::CrossAccountId,311			u128,312		),313314		CollectionPropertySet(CollectionId, PropertyKey),315316		CollectionPropertyDeleted(CollectionId, PropertyKey),317318		TokenPropertySet(CollectionId, TokenId, PropertyKey),319320		TokenPropertyDeleted(CollectionId, TokenId, PropertyKey),321322		PropertyPermissionSet(CollectionId, PropertyKey),323	}324325	#[pallet::error]326	pub enum Error<T> {327		/// This collection does not exist.328		CollectionNotFound,329		/// Sender parameter and item owner must be equal.330		MustBeTokenOwner,331		/// No permission to perform action332		NoPermission,333		/// Collection is not in mint mode.334		PublicMintingNotAllowed,335		/// Address is not in allow list.336		AddressNotInAllowlist,337338		/// Collection name can not be longer than 63 char.339		CollectionNameLimitExceeded,340		/// Collection description can not be longer than 255 char.341		CollectionDescriptionLimitExceeded,342		/// Token prefix can not be longer than 15 char.343		CollectionTokenPrefixLimitExceeded,344		/// Total collections bound exceeded.345		TotalCollectionsLimitExceeded,346		/// Exceeded max admin count347		CollectionAdminCountExceeded,348		/// Collection limit bounds per collection exceeded349		CollectionLimitBoundsExceeded,350		/// Tried to enable permissions which are only permitted to be disabled351		OwnerPermissionsCantBeReverted,352		/// Collection settings not allowing items transferring353		TransferNotAllowed,354		/// Account token limit exceeded per collection355		AccountTokenLimitExceeded,356		/// Collection token limit exceeded357		CollectionTokenLimitExceeded,358		/// Metadata flag frozen359		MetadataFlagFrozen,360361		/// Item not exists.362		TokenNotFound,363		/// Item balance not enough.364		TokenValueTooLow,365		/// Requested value more than approved.366		ApprovedValueTooLow,367		/// Tried to approve more than owned368		CantApproveMoreThanOwned,369370		/// Can't transfer tokens to ethereum zero address371		AddressIsZero,372		/// Target collection doesn't supports this operation373		UnsupportedOperation,374375		/// Not sufficient founds to perform action376		NotSufficientFounds,377378		/// Collection has nesting disabled379		NestingIsDisabled,380		/// Only owner may nest tokens under this collection381		OnlyOwnerAllowedToNest,382		/// Only tokens from specific collections may nest tokens under this383		SourceCollectionIsNotAllowedToNest,384385		/// Tried to store more data than allowed in collection field386		CollectionFieldSizeExceeded,387388		/// Tried to store more property data than allowed389		NoSpaceForProperty,390391		/// Tried to store more property keys than allowed392		PropertyLimitReached,393394		/// Property key is too long395		PropertyKeyIsTooLong,396397		/// Only ASCII letters, digits, and '_', '-' are allowed398		InvalidCharacterInPropertyKey,399400		/// Empty property keys are forbidden401		EmptyPropertyKey,402	}403404	#[pallet::storage]405	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;406	#[pallet::storage]407	pub type DestroyedCollectionCount<T> =408		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;409410	/// Collection info411	#[pallet::storage]412	pub type CollectionById<T> = StorageMap<413		Hasher = Blake2_128Concat,414		Key = CollectionId,415		Value = Collection<<T as frame_system::Config>::AccountId>,416		QueryKind = OptionQuery,417	>;418419	/// Collection properties420	#[pallet::storage]421	#[pallet::getter(fn collection_properties)]422	pub type CollectionProperties<T> = StorageMap<423		Hasher = Blake2_128Concat,424		Key = CollectionId,425		Value = Properties,426		QueryKind = ValueQuery,427		OnEmpty = up_data_structs::CollectionProperties,428	>;429430	#[pallet::storage]431	#[pallet::getter(fn property_permissions)]432	pub type CollectionPropertyPermissions<T> = StorageMap<433		Hasher = Blake2_128Concat,434		Key = CollectionId,435		Value = PropertiesPermissionMap,436		QueryKind = ValueQuery,437	>;438439	/// Large variable-size collection fields are extracted here440	#[pallet::storage]441	pub type CollectionData<T> = StorageNMap<442		Key = (443			Key<Twox64Concat, CollectionId>,444			Key<Twox64Concat, CollectionField>,445		),446		Value = BoundedVec<u8, ConstU32<COLLECTION_FIELD_LIMIT>>,447		QueryKind = ValueQuery,448	>;449450	#[pallet::storage]451	pub type AdminAmount<T> = StorageMap<452		Hasher = Blake2_128Concat,453		Key = CollectionId,454		Value = u32,455		QueryKind = ValueQuery,456	>;457458	/// List of collection admins459	#[pallet::storage]460	pub type IsAdmin<T: Config> = StorageNMap<461		Key = (462			Key<Blake2_128Concat, CollectionId>,463			Key<Blake2_128Concat, T::CrossAccountId>,464		),465		Value = bool,466		QueryKind = ValueQuery,467	>;468469	/// Allowlisted collection users470	#[pallet::storage]471	pub type Allowlist<T: Config> = StorageNMap<472		Key = (473			Key<Blake2_128Concat, CollectionId>,474			Key<Blake2_128Concat, T::CrossAccountId>,475		),476		Value = bool,477		QueryKind = ValueQuery,478	>;479480	/// Not used by code, exists only to provide some types to metadata481	#[pallet::storage]482	pub type DummyStorageValue<T: Config> = StorageValue<483		Value = (484			CollectionStats,485			CollectionId,486			TokenId,487			PhantomType<TokenData<T::CrossAccountId>>,488			PhantomType<RpcCollection<T::AccountId>>,489			// RMRK490			PhantomType<RmrkCollectionInfo<T::AccountId>>,491			PhantomType<RmrkInstanceInfo<T::AccountId>>,492			PhantomType<RmrkResourceInfo>,493			PhantomType<RmrkPropertyInfo>,494			PhantomType<RmrkBaseInfo<T::AccountId>>,495			PhantomType<RmrkPartType>,496			PhantomType<RmrkTheme>,497			PhantomType<RmrkNftChild>,498		),499		QueryKind = OptionQuery,500	>;501502	#[pallet::hooks]503	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {504		fn on_runtime_upgrade() -> Weight {505			if StorageVersion::get::<Pallet<T>>() < StorageVersion::new(1) {506				use up_data_structs::{CollectionVersion1, CollectionVersion2};507				<CollectionById<T>>::translate::<CollectionVersion1<T::AccountId>, _>(|id, v| {508					Self::set_field_raw(509						id,510						CollectionField::OffchainSchema,511						v.offchain_schema.clone().into_inner(),512					)513					.expect("data has lower bounds than field");514					Self::set_field_raw(515						id,516						CollectionField::ConstOnChainSchema,517						v.const_on_chain_schema.clone().into_inner(),518					)519					.expect("data has lower bounds than field");520521					Some(CollectionVersion2::from(v))522				});523			}524525			0526		}527	}528}529530impl<T: Config> Pallet<T> {531	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens532	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {533		ensure!(534			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,535			<Error<T>>::AddressIsZero536		);537		Ok(())538	}539	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {540		<IsAdmin<T>>::iter_prefix((collection,))541			.map(|(a, _)| a)542			.collect()543	}544	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {545		<Allowlist<T>>::iter_prefix((collection,))546			.map(|(a, _)| a)547			.collect()548	}549	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {550		<Allowlist<T>>::get((collection, user))551	}552	pub fn collection_stats() -> CollectionStats {553		let created = <CreatedCollectionCount<T>>::get();554		let destroyed = <DestroyedCollectionCount<T>>::get();555		CollectionStats {556			created: created.0,557			destroyed: destroyed.0,558			alive: created.0 - destroyed.0,559		}560	}561562	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {563		let collection = <CollectionById<T>>::get(collection);564		if collection.is_none() {565			return None;566		}567568		let collection = collection.unwrap();569		let limits = collection.limits;570		let effective_limits = CollectionLimits {571			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),572			sponsored_data_size: Some(limits.sponsored_data_size()),573			sponsored_data_rate_limit: Some(574				limits575					.sponsored_data_rate_limit576					.unwrap_or(SponsoringRateLimit::SponsoringDisabled),577			),578			token_limit: Some(limits.token_limit()),579			sponsor_transfer_timeout: Some(limits.sponsor_transfer_timeout(580				match collection.mode {581					CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,582					CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,583					CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,584				},585			)),586			sponsor_approve_timeout: Some(limits.sponsor_approve_timeout()),587			owner_can_transfer: Some(limits.owner_can_transfer()),588			owner_can_destroy: Some(limits.owner_can_destroy()),589			transfers_enabled: Some(limits.transfers_enabled()),590			nesting_rule: Some(limits.nesting_rule().clone()),591		};592593		Some(effective_limits)594	}595596	pub fn rpc_collection(collection: CollectionId) -> Option<RpcCollection<T::AccountId>> {597		let Collection {598			name,599			description,600			owner,601			mode,602			access,603			token_prefix,604			mint_mode,605			schema_version,606			sponsorship,607			limits,608		} = <CollectionById<T>>::get(collection)?;609610		let token_property_permissions = <CollectionPropertyPermissions<T>>::get(collection)611			.into_iter()612			.map(|(key, permission)| PropertyKeyPermission {613				key,614				permission,615			})616			.collect();617618		let properties = <CollectionProperties<T>>::get(collection)619			.into_iter()620			.map(|(key, value)| Property {621				key,622				value,623			})624			.collect();625626		Some(RpcCollection {627			name: name.into_inner(),628			description: description.into_inner(),629			owner,630			mode,631			access,632			token_prefix: token_prefix.into_inner(),633			mint_mode,634			schema_version,635			sponsorship,636			limits,637			offchain_schema: <CollectionData<T>>::get((638				collection,639				CollectionField::OffchainSchema,640			))641			.into_inner(),642			const_on_chain_schema: <CollectionData<T>>::get((643				collection,644				CollectionField::ConstOnChainSchema,645			))646			.into_inner(),647			token_property_permissions,648			properties,649		})650	}651}652653impl<T: Config> Pallet<T> {654	pub fn init_collection(655		owner: T::AccountId,656		data: CreateCollectionData<T::AccountId>,657	) -> Result<CollectionId, DispatchError> {658		{659			ensure!(660				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,661				Error::<T>::CollectionTokenPrefixLimitExceeded662			);663		}664665		let created_count = <CreatedCollectionCount<T>>::get()666			.0667			.checked_add(1)668			.ok_or(ArithmeticError::Overflow)?;669		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;670		let id = CollectionId(created_count);671672		// bound Total number of collections673		ensure!(674			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,675			<Error<T>>::TotalCollectionsLimitExceeded676		);677678		// =========679680		let collection = Collection {681			owner: owner.clone(),682			name: data.name,683			mode: data.mode.clone(),684			mint_mode: false,685			access: data.access.unwrap_or_default(),686			description: data.description,687			token_prefix: data.token_prefix,688			schema_version: data.schema_version.unwrap_or_default(),689			sponsorship: data690				.pending_sponsor691				.map(SponsorshipState::Unconfirmed)692				.unwrap_or_default(),693			limits: data694				.limits695				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))696				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,697		};698699		let mut collection_properties = up_data_structs::CollectionProperties::get();700		collection_properties701			.try_set_from_iter(data.properties.into_iter())702			.map_err(<Error<T>>::from)?;703704		CollectionProperties::<T>::insert(id, collection_properties);705706		let mut token_props_permissions = PropertiesPermissionMap::new();707		token_props_permissions708			.try_set_from_iter(data.token_property_permissions.into_iter())709			.map_err(<Error<T>>::from)?;710711		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);712713		// Take a (non-refundable) deposit of collection creation714		{715			let mut imbalance =716				<<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();717			imbalance.subsume(718				<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(719					&T::TreasuryAccountId::get(),720					T::CollectionCreationPrice::get(),721				),722			);723			<T as Config>::Currency::settle(724				&owner,725				imbalance,726				WithdrawReasons::TRANSFER,727				ExistenceRequirement::KeepAlive,728			)729			.map_err(|_| Error::<T>::NotSufficientFounds)?;730		}731732		<CreatedCollectionCount<T>>::put(created_count);733		<Pallet<T>>::deposit_event(Event::CollectionCreated(id, data.mode.id(), owner.clone()));734		<CollectionById<T>>::insert(id, collection);735		Self::set_field_raw(736			id,737			CollectionField::OffchainSchema,738			data.offchain_schema.into_inner(),739		)740		.expect("data has lower bounds than field");741		Self::set_field_raw(742			id,743			CollectionField::ConstOnChainSchema,744			data.const_on_chain_schema.into_inner(),745		)746		.expect("data has lower bounds than field");747		Ok(id)748	}749750	pub fn destroy_collection(751		collection: CollectionHandle<T>,752		sender: &T::CrossAccountId,753	) -> DispatchResult {754		ensure!(755			collection.limits.owner_can_destroy(),756			<Error<T>>::NoPermission,757		);758		collection.check_is_owner(sender)?;759760		let destroyed_collections = <DestroyedCollectionCount<T>>::get()761			.0762			.checked_add(1)763			.ok_or(ArithmeticError::Overflow)?;764765		// =========766767		<DestroyedCollectionCount<T>>::put(destroyed_collections);768		<CollectionById<T>>::remove(collection.id);769		<CollectionData<T>>::remove_prefix((collection.id,), None);770		<AdminAmount<T>>::remove(collection.id);771		<IsAdmin<T>>::remove_prefix((collection.id,), None);772		<Allowlist<T>>::remove_prefix((collection.id,), None);773		<CollectionProperties<T>>::remove(collection.id);774775		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));776		Ok(())777	}778779	pub fn set_collection_property(780		collection: &CollectionHandle<T>,781		sender: &T::CrossAccountId,782		property: Property,783	) -> DispatchResult {784		collection.check_is_owner_or_admin(sender)?;785786		CollectionProperties::<T>::try_mutate(collection.id, |properties| {787			let property = property.clone();788			properties.try_set(property.key, property.value)789		})790		.map_err(<Error<T>>::from)?;791792		Self::deposit_event(Event::CollectionPropertySet(collection.id, property.key));793794		Ok(())795	}796797	pub fn set_scoped_collection_property(798		collection: &CollectionHandle<T>,799		scope: PropertyScope,800		property: Property,801	) -> DispatchResult {802		CollectionProperties::<T>::try_mutate(collection.id, |properties| {803			properties.try_scoped_set(scope, property.key, property.value)804		})805		.map_err(<Error<T>>::from)?;806807		Ok(())808	}809810	#[transactional]811	pub fn set_scoped_collection_properties(812		collection: &CollectionHandle<T>,813		scope: PropertyScope,814		properties: impl Iterator<Item = Property>,815	) -> DispatchResult {816		CollectionProperties::<T>::try_mutate(collection.id, |stored_properties| {817			stored_properties.try_scoped_set_from_iter(scope, properties)818		})819		.map_err(<Error<T>>::from)?;820821		Ok(())822	}823824	#[transactional]825	pub fn set_collection_properties(826		collection: &CollectionHandle<T>,827		sender: &T::CrossAccountId,828		properties: Vec<Property>,829	) -> DispatchResult {830		for property in properties {831			Self::set_collection_property(collection, sender, property)?;832		}833834		Ok(())835	}836837	pub fn delete_collection_property(838		collection: &CollectionHandle<T>,839		sender: &T::CrossAccountId,840		property_key: PropertyKey,841	) -> DispatchResult {842		collection.check_is_owner_or_admin(sender)?;843844		CollectionProperties::<T>::try_mutate(collection.id, |properties| {845			properties.remove(&property_key)846		})847		.map_err(<Error<T>>::from)?;848849		Self::deposit_event(Event::CollectionPropertyDeleted(850			collection.id,851			property_key,852		));853854		Ok(())855	}856857	#[transactional]858	pub fn delete_collection_properties(859		collection: &CollectionHandle<T>,860		sender: &T::CrossAccountId,861		property_keys: Vec<PropertyKey>,862	) -> DispatchResult {863		for key in property_keys {864			Self::delete_collection_property(collection, sender, key)?;865		}866867		Ok(())868	}869870	pub fn set_property_permission(871		collection: &CollectionHandle<T>,872		sender: &T::CrossAccountId,873		property_permission: PropertyKeyPermission,874	) -> DispatchResult {875		collection.check_is_owner_or_admin(sender)?;876877		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);878		let current_permission = all_permissions.get(&property_permission.key);879		if matches![880			current_permission,881			Some(PropertyPermission { mutable: false, .. })882		] {883			return Err(<Error<T>>::NoPermission.into());884		}885886		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {887			let property_permission = property_permission.clone();888			permissions.try_set(property_permission.key, property_permission.permission)889		})890		.map_err(<Error<T>>::from)?;891892		Self::deposit_event(Event::PropertyPermissionSet(893			collection.id,894			property_permission.key,895		));896897		Ok(())898	}899900	#[transactional]901	pub fn set_property_permissions(902		collection: &CollectionHandle<T>,903		sender: &T::CrossAccountId,904		property_permissions: Vec<PropertyKeyPermission>,905	) -> DispatchResult {906		for prop_pemission in property_permissions {907			Self::set_property_permission(collection, sender, prop_pemission)?;908		}909910		Ok(())911	}912913	pub fn get_collection_property(914		collection_id: CollectionId,915		key: &PropertyKey,916	) -> Option<PropertyValue> {917		Self::collection_properties(collection_id).get(key).cloned()918	}919920	pub fn bytes_keys_to_property_keys(921		keys: Vec<Vec<u8>>,922	) -> Result<Vec<PropertyKey>, DispatchError> {923		keys.into_iter()924			.map(|key| -> Result<PropertyKey, DispatchError> {925				key.try_into()926					.map_err(|_| <Error<T>>::PropertyKeyIsTooLong.into())927			})928			.collect::<Result<Vec<PropertyKey>, DispatchError>>()929	}930931	pub fn filter_collection_properties(932		collection_id: CollectionId,933		keys: Option<Vec<PropertyKey>>,934	) -> Result<Vec<Property>, DispatchError> {935		let properties = Self::collection_properties(collection_id);936937		let properties = keys938			.map(|keys| {939				keys.into_iter()940					.filter_map(|key| {941						properties.get(&key).map(|value| Property {942							key,943							value: value.clone(),944						})945					})946					.collect()947			})948			.unwrap_or_else(|| {949				properties950					.into_iter()951					.map(|(key, value)| Property {952						key,953						value,954					})955					.collect()956			});957958		Ok(properties)959	}960961	pub fn filter_property_permissions(962		collection_id: CollectionId,963		keys: Option<Vec<PropertyKey>>,964	) -> Result<Vec<PropertyKeyPermission>, DispatchError> {965		let permissions = Self::property_permissions(collection_id);966967		let key_permissions = keys968			.map(|keys| {969				keys.into_iter()970					.filter_map(|key| {971						permissions972							.get(&key)973							.map(|permission| PropertyKeyPermission {974								key,975								permission: permission.clone(),976							})977					})978					.collect()979			})980			.unwrap_or_else(|| {981				permissions982					.into_iter()983					.map(|(key, permission)| PropertyKeyPermission {984						key,985						permission,986					})987					.collect()988			});989990		Ok(key_permissions)991	}992993	fn set_field_raw(994		collection_id: CollectionId,995		field: CollectionField,996		value: Vec<u8>,997	) -> DispatchResult {998		if !value.is_empty() {999			<CollectionData<T>>::insert(1000				(collection_id, field),1001				BoundedVec::try_from(value).map_err(|_| <Error<T>>::CollectionFieldSizeExceeded)?,1002			)1003		} else {1004			<CollectionData<T>>::remove((collection_id, field));1005		}1006		Ok(())1007	}10081009	pub fn set_field(1010		collection: &CollectionHandle<T>,1011		sender: &T::CrossAccountId,1012		field: CollectionField,1013		value: Vec<u8>,1014	) -> DispatchResult {1015		collection.check_is_owner_or_admin(sender)?;10161017		// =========10181019		Self::set_field_raw(collection.id, field, value)1020	}10211022	pub fn toggle_allowlist(1023		collection: &CollectionHandle<T>,1024		sender: &T::CrossAccountId,1025		user: &T::CrossAccountId,1026		allowed: bool,1027	) -> DispatchResult {1028		collection.check_is_owner_or_admin(sender)?;10291030		// =========10311032		if allowed {1033			<Allowlist<T>>::insert((collection.id, user), true);1034		} else {1035			<Allowlist<T>>::remove((collection.id, user));1036		}10371038		Ok(())1039	}10401041	pub fn toggle_admin(1042		collection: &CollectionHandle<T>,1043		sender: &T::CrossAccountId,1044		user: &T::CrossAccountId,1045		admin: bool,1046	) -> DispatchResult {1047		collection.check_is_owner_or_admin(sender)?;10481049		let was_admin = <IsAdmin<T>>::get((collection.id, user));1050		if was_admin == admin {1051			return Ok(());1052		}1053		let amount = <AdminAmount<T>>::get(collection.id);10541055		if admin {1056			let amount = amount1057				.checked_add(1)1058				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;1059			ensure!(1060				amount <= Self::collection_admins_limit(),1061				<Error<T>>::CollectionAdminCountExceeded,1062			);10631064			// =========10651066			<AdminAmount<T>>::insert(collection.id, amount);1067			<IsAdmin<T>>::insert((collection.id, user), true);1068		} else {1069			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));1070			<IsAdmin<T>>::remove((collection.id, user));1071		}10721073		Ok(())1074	}10751076	pub fn clamp_limits(1077		mode: CollectionMode,1078		old_limit: &CollectionLimits,1079		mut new_limit: CollectionLimits,1080	) -> Result<CollectionLimits, DispatchError> {1081		macro_rules! limit_default {1082				($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{1083					$(1084						if let Some($new) = $new.$field {1085							let $old = $old.$field($($arg)?);1086							let _ = $new;1087							let _ = $old;1088							$check1089						} else {1090							$new.$field = $old.$field1091						}1092					)*1093				}};1094			}10951096		limit_default!(old_limit, new_limit,1097			account_token_ownership_limit => ensure!(1098				new_limit <= MAX_TOKEN_OWNERSHIP,1099				<Error<T>>::CollectionLimitBoundsExceeded,1100			),1101			sponsor_transfer_timeout(match mode {1102				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,1103				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1104				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1105			}) => ensure!(1106				new_limit <= MAX_SPONSOR_TIMEOUT,1107				<Error<T>>::CollectionLimitBoundsExceeded,1108			),1109			sponsored_data_size => ensure!(1110				new_limit <= CUSTOM_DATA_LIMIT,1111				<Error<T>>::CollectionLimitBoundsExceeded,1112			),1113			token_limit => ensure!(1114				old_limit >= new_limit && new_limit > 0,1115				<Error<T>>::CollectionTokenLimitExceeded1116			),1117			owner_can_transfer => ensure!(1118				old_limit || !new_limit,1119				<Error<T>>::OwnerPermissionsCantBeReverted,1120			),1121			owner_can_destroy => ensure!(1122				old_limit || !new_limit,1123				<Error<T>>::OwnerPermissionsCantBeReverted,1124			),1125			sponsored_data_rate_limit => {},1126			transfers_enabled => {},1127		);1128		Ok(new_limit)1129	}1130}11311132#[macro_export]1133macro_rules! unsupported {1134	() => {1135		Err(<Error<T>>::UnsupportedOperation.into())1136	};1137}11381139/// Worst cases1140pub trait CommonWeightInfo<CrossAccountId> {1141	fn create_item() -> Weight;1142	fn create_multiple_items(amount: &[CreateItemData]) -> Weight;1143	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;1144	fn burn_item() -> Weight;1145	fn set_collection_properties(amount: u32) -> Weight;1146	fn delete_collection_properties(amount: u32) -> Weight;1147	fn set_token_properties(amount: u32) -> Weight;1148	fn delete_token_properties(amount: u32) -> Weight;1149	fn set_property_permissions(amount: u32) -> Weight;1150	fn transfer() -> Weight;1151	fn approve() -> Weight;1152	fn transfer_from() -> Weight;1153	fn burn_from() -> Weight;1154}11551156pub trait CommonCollectionOperations<T: Config> {1157	fn create_item(1158		&self,1159		sender: T::CrossAccountId,1160		to: T::CrossAccountId,1161		data: CreateItemData,1162		nesting_budget: &dyn Budget,1163	) -> DispatchResultWithPostInfo;1164	fn create_multiple_items(1165		&self,1166		sender: T::CrossAccountId,1167		to: T::CrossAccountId,1168		data: Vec<CreateItemData>,1169		nesting_budget: &dyn Budget,1170	) -> DispatchResultWithPostInfo;1171	fn create_multiple_items_ex(1172		&self,1173		sender: T::CrossAccountId,1174		data: CreateItemExData<T::CrossAccountId>,1175		nesting_budget: &dyn Budget,1176	) -> DispatchResultWithPostInfo;1177	fn burn_item(1178		&self,1179		sender: T::CrossAccountId,1180		token: TokenId,1181		amount: u128,1182	) -> DispatchResultWithPostInfo;1183	fn set_collection_properties(1184		&self,1185		sender: T::CrossAccountId,1186		properties: Vec<Property>,1187	) -> DispatchResultWithPostInfo;1188	fn delete_collection_properties(1189		&self,1190		sender: &T::CrossAccountId,1191		property_keys: Vec<PropertyKey>,1192	) -> DispatchResultWithPostInfo;1193	fn set_token_properties(1194		&self,1195		sender: T::CrossAccountId,1196		token_id: TokenId,1197		property: Vec<Property>,1198	) -> DispatchResultWithPostInfo;1199	fn delete_token_properties(1200		&self,1201		sender: T::CrossAccountId,1202		token_id: TokenId,1203		property_keys: Vec<PropertyKey>,1204	) -> DispatchResultWithPostInfo;1205	fn set_property_permissions(1206		&self,1207		sender: &T::CrossAccountId,1208		property_permissions: Vec<PropertyKeyPermission>,1209	) -> DispatchResultWithPostInfo;1210	fn transfer(1211		&self,1212		sender: T::CrossAccountId,1213		to: T::CrossAccountId,1214		token: TokenId,1215		amount: u128,1216		nesting_budget: &dyn Budget,1217	) -> DispatchResultWithPostInfo;1218	fn approve(1219		&self,1220		sender: T::CrossAccountId,1221		spender: T::CrossAccountId,1222		token: TokenId,1223		amount: u128,1224	) -> DispatchResultWithPostInfo;1225	fn transfer_from(1226		&self,1227		sender: T::CrossAccountId,1228		from: T::CrossAccountId,1229		to: T::CrossAccountId,1230		token: TokenId,1231		amount: u128,1232		nesting_budget: &dyn Budget,1233	) -> DispatchResultWithPostInfo;1234	fn burn_from(1235		&self,1236		sender: T::CrossAccountId,1237		from: T::CrossAccountId,1238		token: TokenId,1239		amount: u128,1240		nesting_budget: &dyn Budget,1241	) -> DispatchResultWithPostInfo;12421243	fn check_nesting(1244		&self,1245		sender: T::CrossAccountId,1246		from: (CollectionId, TokenId),1247		under: TokenId,1248		budget: &dyn Budget,1249	) -> DispatchResult;12501251	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;1252	fn collection_tokens(&self) -> Vec<TokenId>;1253	fn token_exists(&self, token: TokenId) -> bool;1254	fn last_token_id(&self) -> TokenId;12551256	fn token_owner(&self, token: TokenId) -> Option<T::CrossAccountId>;1257	fn const_metadata(&self, token: TokenId) -> Vec<u8>;1258	fn token_property(&self, token_id: TokenId, key: &PropertyKey) -> Option<PropertyValue>;1259	fn token_properties(&self, token_id: TokenId, keys: Option<Vec<PropertyKey>>) -> Vec<Property>;1260	/// Amount of unique collection tokens1261	fn total_supply(&self) -> u32;1262	/// Amount of different tokens account has (Applicable to nonfungible/refungible)1263	fn account_balance(&self, account: T::CrossAccountId) -> u32;1264	/// Amount of specific token account have (Applicable to fungible/refungible)1265	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;1266	fn allowance(1267		&self,1268		sender: T::CrossAccountId,1269		spender: T::CrossAccountId,1270		token: TokenId,1271	) -> u128;1272}12731274// Flexible enough for implementing CommonCollectionOperations1275pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {1276	let post_info = PostDispatchInfo {1277		actual_weight: Some(weight),1278		pays_fee: Pays::Yes,1279	};1280	match res {1281		Ok(()) => Ok(post_info),1282		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),1283	}1284}12851286impl<T: Config> From<PropertiesError> for Error<T> {1287	fn from(error: PropertiesError) -> Self {1288		match error {1289			PropertiesError::NoSpaceForProperty => Self::NoSpaceForProperty,1290			PropertiesError::PropertyLimitReached => Self::PropertyLimitReached,1291			PropertiesError::InvalidCharacterInPropertyKey => Self::InvalidCharacterInPropertyKey,1292			PropertiesError::PropertyKeyIsTooLong => Self::PropertyKeyIsTooLong,1293			PropertiesError::EmptyPropertyKey => Self::EmptyPropertyKey,1294		}1295	}1296}