git.delta.rocks / unique-network / refs/commits / fdc1b224b1bd

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	PhantomType,59	Property,60	Properties,61	PropertiesPermissionMap,62	PropertyKey,63	PropertyValue,64	PropertyPermission,65	PropertiesError,66	PropertyKeyPermission,67	TokenData,68	TrySetProperty,69	PropertyScope,70	// RMRK71	RmrkCollectionInfo,72	RmrkInstanceInfo,73	RmrkResourceInfo,74	RmrkPropertyInfo,75	RmrkBaseInfo,76	RmrkPartType,77	RmrkTheme,78	RmrkNftChild,79	CollectionPermissions,80	SchemaVersion,81};8283pub use pallet::*;84use sp_core::H160;85use sp_runtime::{ArithmeticError, DispatchError, DispatchResult};86#[cfg(feature = "runtime-benchmarks")]87pub mod benchmarking;88pub mod dispatch;89pub mod erc;90pub mod eth;91pub mod weights;9293pub type SelfWeightOf<T> = <T as Config>::WeightInfo;9495#[must_use = "Should call submit_logs or save, otherwise some data will be lost for evm side"]96pub struct CollectionHandle<T: Config> {97	pub id: CollectionId,98	collection: Collection<T::AccountId>,99	pub recorder: SubstrateRecorder<T>,100}101impl<T: Config> WithRecorder<T> for CollectionHandle<T> {102	fn recorder(&self) -> &SubstrateRecorder<T> {103		&self.recorder104	}105	fn into_recorder(self) -> SubstrateRecorder<T> {106		self.recorder107	}108}109impl<T: Config> CollectionHandle<T> {110	pub fn new_with_gas_limit(id: CollectionId, gas_limit: u64) -> Option<Self> {111		<CollectionById<T>>::get(id).map(|collection| Self {112			id,113			collection,114			recorder: SubstrateRecorder::new(gas_limit),115		})116	}117118	pub fn new_with_recorder(id: CollectionId, recorder: SubstrateRecorder<T>) -> Option<Self> {119		<CollectionById<T>>::get(id).map(|collection| Self {120			id,121			collection,122			recorder,123		})124	}125126	pub fn new(id: CollectionId) -> Option<Self> {127		Self::new_with_gas_limit(id, u64::MAX)128	}129	pub fn try_get(id: CollectionId) -> Result<Self, DispatchError> {130		Ok(Self::new(id).ok_or(<Error<T>>::CollectionNotFound)?)131	}132	pub fn consume_store_reads(&self, reads: u64) -> evm_coder::execution::Result<()> {133		self.recorder134			.consume_gas(T::GasWeightMapping::weight_to_gas(135				<T as frame_system::Config>::DbWeight::get()136					.read137					.saturating_mul(reads),138			))139	}140	pub fn consume_store_writes(&self, writes: u64) -> evm_coder::execution::Result<()> {141		self.recorder142			.consume_gas(T::GasWeightMapping::weight_to_gas(143				<T as frame_system::Config>::DbWeight::get()144					.write145					.saturating_mul(writes),146			))147	}148	pub fn save(self) -> DispatchResult {149		<CollectionById<T>>::insert(self.id, self.collection);150		Ok(())151	}152153	pub fn set_sponsor(&mut self, sponsor: T::AccountId) {154		self.collection.sponsorship = SponsorshipState::Unconfirmed(sponsor);155	}156157	pub fn confirm_sponsorship(&mut self, sender: &T::AccountId) -> bool {158		if self.collection.sponsorship.pending_sponsor() != Some(sender) {159			return false;160		};161162		self.collection.sponsorship = SponsorshipState::Confirmed(sender.clone());163		true164	}165}166impl<T: Config> Deref for CollectionHandle<T> {167	type Target = Collection<T::AccountId>;168169	fn deref(&self) -> &Self::Target {170		&self.collection171	}172}173174impl<T: Config> DerefMut for CollectionHandle<T> {175	fn deref_mut(&mut self) -> &mut Self::Target {176		&mut self.collection177	}178}179180impl<T: Config> CollectionHandle<T> {181	pub fn check_is_owner(&self, subject: &T::CrossAccountId) -> DispatchResult {182		ensure!(*subject.as_sub() == self.owner, <Error<T>>::NoPermission);183		Ok(())184	}185	pub fn is_owner_or_admin(&self, subject: &T::CrossAccountId) -> bool {186		*subject.as_sub() == self.owner || <IsAdmin<T>>::get((self.id, subject))187	}188	pub fn check_is_owner_or_admin(&self, subject: &T::CrossAccountId) -> DispatchResult {189		ensure!(self.is_owner_or_admin(subject), <Error<T>>::NoPermission);190		Ok(())191	}192	pub fn ignores_allowance(&self, user: &T::CrossAccountId) -> bool {193		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)194	}195	pub fn ignores_owned_amount(&self, user: &T::CrossAccountId) -> bool {196		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)197	}198	pub fn check_allowlist(&self, user: &T::CrossAccountId) -> DispatchResult {199		ensure!(200			<Allowlist<T>>::get((self.id, user)),201			<Error<T>>::AddressNotInAllowlist202		);203		Ok(())204	}205}206207#[frame_support::pallet]208pub mod pallet {209	use super::*;210	use pallet_evm::account;211	use dispatch::CollectionDispatch;212	use frame_support::{Blake2_128Concat, pallet_prelude::*, storage::Key, traits::StorageVersion};213	use frame_system::pallet_prelude::*;214	use frame_support::traits::Currency;215	use up_data_structs::{TokenId, mapping::TokenAddressMapping};216	use scale_info::TypeInfo;217	use weights::WeightInfo;218219	#[pallet::config]220	pub trait Config:221		frame_system::Config + pallet_evm_coder_substrate::Config + TypeInfo + account::Config222	{223		type WeightInfo: WeightInfo;224		type Event: IsType<<Self as frame_system::Config>::Event> + From<Event<Self>>;225226		type Currency: Currency<Self::AccountId>;227228		#[pallet::constant]229		type CollectionCreationPrice: Get<230			<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,231		>;232		type CollectionDispatch: CollectionDispatch<Self>;233234		type TreasuryAccountId: Get<Self::AccountId>;235236		type EvmTokenAddressMapping: TokenAddressMapping<H160>;237		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;238	}239240	const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);241242	#[pallet::pallet]243	#[pallet::storage_version(STORAGE_VERSION)]244	#[pallet::generate_store(pub(super) trait Store)]245	pub struct Pallet<T>(_);246247	#[pallet::extra_constants]248	impl<T: Config> Pallet<T> {249		pub fn collection_admins_limit() -> u32 {250			COLLECTION_ADMINS_LIMIT251		}252	}253254	#[pallet::event]255	#[pallet::generate_deposit(pub fn deposit_event)]256	pub enum Event<T: Config> {257		/// New collection was created258		///259		/// # Arguments260		///261		/// * collection_id: Globally unique identifier of newly created collection.262		///263		/// * mode: [CollectionMode] converted into u8.264		///265		/// * account_id: Collection owner.266		CollectionCreated(CollectionId, u8, T::AccountId),267268		/// New collection was destroyed269		///270		/// # Arguments271		///272		/// * collection_id: Globally unique identifier of collection.273		CollectionDestroyed(CollectionId),274275		/// New item was created.276		///277		/// # Arguments278		///279		/// * collection_id: Id of the collection where item was created.280		///281		/// * item_id: Id of an item. Unique within the collection.282		///283		/// * recipient: Owner of newly created item284		///285		/// * amount: Always 1 for NFT286		ItemCreated(CollectionId, TokenId, T::CrossAccountId, u128),287288		/// Collection item was burned.289		///290		/// # Arguments291		///292		/// * collection_id.293		///294		/// * item_id: Identifier of burned NFT.295		///296		/// * owner: which user has destroyed its tokens297		///298		/// * amount: Always 1 for NFT299		ItemDestroyed(CollectionId, TokenId, T::CrossAccountId, u128),300301		/// Item was transferred302		///303		/// * collection_id: Id of collection to which item is belong304		///305		/// * item_id: Id of an item306		///307		/// * sender: Original owner of item308		///309		/// * recipient: New owner of item310		///311		/// * amount: Always 1 for NFT312		Transfer(313			CollectionId,314			TokenId,315			T::CrossAccountId,316			T::CrossAccountId,317			u128,318		),319320		/// * collection_id321		///322		/// * item_id323		///324		/// * sender325		///326		/// * spender327		///328		/// * amount329		Approved(330			CollectionId,331			TokenId,332			T::CrossAccountId,333			T::CrossAccountId,334			u128,335		),336337		CollectionPropertySet(CollectionId, PropertyKey),338339		CollectionPropertyDeleted(CollectionId, PropertyKey),340341		TokenPropertySet(CollectionId, TokenId, PropertyKey),342343		TokenPropertyDeleted(CollectionId, TokenId, PropertyKey),344345		PropertyPermissionSet(CollectionId, PropertyKey),346	}347348	#[pallet::error]349	pub enum Error<T> {350		/// This collection does not exist.351		CollectionNotFound,352		/// Sender parameter and item owner must be equal.353		MustBeTokenOwner,354		/// No permission to perform action355		NoPermission,356		/// Collection is not in mint mode.357		PublicMintingNotAllowed,358		/// Address is not in allow list.359		AddressNotInAllowlist,360361		/// Collection name can not be longer than 63 char.362		CollectionNameLimitExceeded,363		/// Collection description can not be longer than 255 char.364		CollectionDescriptionLimitExceeded,365		/// Token prefix can not be longer than 15 char.366		CollectionTokenPrefixLimitExceeded,367		/// Total collections bound exceeded.368		TotalCollectionsLimitExceeded,369		/// Exceeded max admin count370		CollectionAdminCountExceeded,371		/// Collection limit bounds per collection exceeded372		CollectionLimitBoundsExceeded,373		/// Tried to enable permissions which are only permitted to be disabled374		OwnerPermissionsCantBeReverted,375		/// Collection settings not allowing items transferring376		TransferNotAllowed,377		/// Account token limit exceeded per collection378		AccountTokenLimitExceeded,379		/// Collection token limit exceeded380		CollectionTokenLimitExceeded,381		/// Metadata flag frozen382		MetadataFlagFrozen,383384		/// Item not exists.385		TokenNotFound,386		/// Item balance not enough.387		TokenValueTooLow,388		/// Requested value more than approved.389		ApprovedValueTooLow,390		/// Tried to approve more than owned391		CantApproveMoreThanOwned,392393		/// Can't transfer tokens to ethereum zero address394		AddressIsZero,395		/// Target collection doesn't supports this operation396		UnsupportedOperation,397398		/// Not sufficient founds to perform action399		NotSufficientFounds,400401		/// Collection has nesting disabled402		NestingIsDisabled,403		/// Only owner may nest tokens under this collection404		OnlyOwnerAllowedToNest,405		/// Only tokens from specific collections may nest tokens under this406		SourceCollectionIsNotAllowedToNest,407408		/// Tried to store more data than allowed in collection field409		CollectionFieldSizeExceeded,410411		/// Tried to store more property data than allowed412		NoSpaceForProperty,413414		/// Tried to store more property keys than allowed415		PropertyLimitReached,416417		/// Property key is too long418		PropertyKeyIsTooLong,419420		/// Only ASCII letters, digits, and '_', '-' are allowed421		InvalidCharacterInPropertyKey,422423		/// Empty property keys are forbidden424		EmptyPropertyKey,425	}426427	#[pallet::storage]428	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;429	#[pallet::storage]430	pub type DestroyedCollectionCount<T> =431		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;432433	/// Collection info434	#[pallet::storage]435	pub type CollectionById<T> = StorageMap<436		Hasher = Blake2_128Concat,437		Key = CollectionId,438		Value = Collection<<T as frame_system::Config>::AccountId>,439		QueryKind = OptionQuery,440	>;441442	/// Collection properties443	#[pallet::storage]444	#[pallet::getter(fn collection_properties)]445	pub type CollectionProperties<T> = StorageMap<446		Hasher = Blake2_128Concat,447		Key = CollectionId,448		Value = Properties,449		QueryKind = ValueQuery,450		OnEmpty = up_data_structs::CollectionProperties,451	>;452453	#[pallet::storage]454	#[pallet::getter(fn property_permissions)]455	pub type CollectionPropertyPermissions<T> = StorageMap<456		Hasher = Blake2_128Concat,457		Key = CollectionId,458		Value = PropertiesPermissionMap,459		QueryKind = ValueQuery,460	>;461462	#[pallet::storage]463	pub type AdminAmount<T> = StorageMap<464		Hasher = Blake2_128Concat,465		Key = CollectionId,466		Value = u32,467		QueryKind = ValueQuery,468	>;469470	/// List of collection admins471	#[pallet::storage]472	pub type IsAdmin<T: Config> = StorageNMap<473		Key = (474			Key<Blake2_128Concat, CollectionId>,475			Key<Blake2_128Concat, T::CrossAccountId>,476		),477		Value = bool,478		QueryKind = ValueQuery,479	>;480481	/// Allowlisted collection users482	#[pallet::storage]483	pub type Allowlist<T: Config> = StorageNMap<484		Key = (485			Key<Blake2_128Concat, CollectionId>,486			Key<Blake2_128Concat, T::CrossAccountId>,487		),488		Value = bool,489		QueryKind = ValueQuery,490	>;491492	/// Not used by code, exists only to provide some types to metadata493	#[pallet::storage]494	pub type DummyStorageValue<T: Config> = StorageValue<495		Value = (496			CollectionStats,497			CollectionId,498			TokenId,499			PhantomType<TokenData<T::CrossAccountId>>,500			PhantomType<RpcCollection<T::AccountId>>,501			// RMRK502			PhantomType<RmrkCollectionInfo<T::AccountId>>,503			PhantomType<RmrkInstanceInfo<T::AccountId>>,504			PhantomType<RmrkResourceInfo>,505			PhantomType<RmrkPropertyInfo>,506			PhantomType<RmrkBaseInfo<T::AccountId>>,507			PhantomType<RmrkPartType>,508			PhantomType<RmrkTheme>,509			PhantomType<RmrkNftChild>,510		),511		QueryKind = OptionQuery,512	>;513514	#[pallet::hooks]515	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {516		fn on_runtime_upgrade() -> Weight {517			if StorageVersion::get::<Pallet<T>>() < StorageVersion::new(1) {518				use up_data_structs::{CollectionVersion1, CollectionVersion2};519				<CollectionById<T>>::translate::<CollectionVersion1<T::AccountId>, _>(|id, v| {520					let mut props = Vec::new();521					if !v.offchain_schema.is_empty() {522						props.push(Property {523							key: b"_old_offchainSchema".to_vec().try_into().unwrap(),524							value: v.offchain_schema.clone().into_inner().try_into().expect("offchain schema too big"),525						});526					}527					if !v.variable_on_chain_schema.is_empty() {528						props.push(Property {529							key: b"_old_variableOnChainSchema".to_vec().try_into().unwrap(),530							value: v.variable_on_chain_schema.clone().into_inner().try_into().expect("offchain schema too big"),531						});532					}533					if !v.const_on_chain_schema.is_empty() {534						props.push(Property {535							key: b"_old_constOnChainSchema".to_vec().try_into().unwrap(),536							value: v.const_on_chain_schema.clone().into_inner().try_into().expect("offchain schema too big"),537						});538					}539					props.push(Property {540						key: b"_old_schemaVersion".to_vec().try_into().unwrap(),541						value: match v.schema_version {542							SchemaVersion::ImageURL => b"ImageUrl".as_slice(),543							SchemaVersion::Unique => b"Unique".as_slice(),544						}.to_vec().try_into().unwrap(),545					});546					Self::set_scoped_collection_properties(547						id,548						PropertyScope::None,549						props.into_iter(),550					).expect("existing data larger than properties");551					let mut new = CollectionVersion2::from(v.clone());552					new.permissions.access = Some(v.access);553					new.permissions.mint_mode = Some(v.mint_mode);554					Some(new)555				});556			}557558			0559		}560	}561}562563impl<T: Config> Pallet<T> {564	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens565	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {566		ensure!(567			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,568			<Error<T>>::AddressIsZero569		);570		Ok(())571	}572	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {573		<IsAdmin<T>>::iter_prefix((collection,))574			.map(|(a, _)| a)575			.collect()576	}577	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {578		<Allowlist<T>>::iter_prefix((collection,))579			.map(|(a, _)| a)580			.collect()581	}582	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {583		<Allowlist<T>>::get((collection, user))584	}585	pub fn collection_stats() -> CollectionStats {586		let created = <CreatedCollectionCount<T>>::get();587		let destroyed = <DestroyedCollectionCount<T>>::get();588		CollectionStats {589			created: created.0,590			destroyed: destroyed.0,591			alive: created.0 - destroyed.0,592		}593	}594595	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {596		let collection = <CollectionById<T>>::get(collection);597		if collection.is_none() {598			return None;599		}600601		let collection = collection.unwrap();602		let limits = collection.limits;603		let effective_limits = CollectionLimits {604			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),605			sponsored_data_size: Some(limits.sponsored_data_size()),606			sponsored_data_rate_limit: Some(607				limits608					.sponsored_data_rate_limit609					.unwrap_or(SponsoringRateLimit::SponsoringDisabled),610			),611			token_limit: Some(limits.token_limit()),612			sponsor_transfer_timeout: Some(limits.sponsor_transfer_timeout(613				match collection.mode {614					CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,615					CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,616					CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,617				},618			)),619			sponsor_approve_timeout: Some(limits.sponsor_approve_timeout()),620			owner_can_transfer: Some(limits.owner_can_transfer()),621			owner_can_destroy: Some(limits.owner_can_destroy()),622			transfers_enabled: Some(limits.transfers_enabled()),623		};624625		Some(effective_limits)626	}627628	pub fn rpc_collection(collection: CollectionId) -> Option<RpcCollection<T::AccountId>> {629		let Collection {630			name,631			description,632			owner,633			mode,634			token_prefix,635			sponsorship,636			limits,637			permissions,638		} = <CollectionById<T>>::get(collection)?;639640		let token_property_permissions = <CollectionPropertyPermissions<T>>::get(collection)641			.into_iter()642			.map(|(key, permission)| PropertyKeyPermission {643				key,644				permission,645			})646			.collect();647648		let properties = <CollectionProperties<T>>::get(collection)649			.into_iter()650			.map(|(key, value)| Property {651				key,652				value,653			})654			.collect();655656		Some(RpcCollection {657			name: name.into_inner(),658			description: description.into_inner(),659			owner,660			mode,661			token_prefix: token_prefix.into_inner(),662			sponsorship,663			limits,664			permissions,665			token_property_permissions,666			properties,667		})668	}669}670671macro_rules! limit_default {672	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{673		$(674			if let Some($new) = $new.$field {675				let $old = $old.$field($($arg)?);676				let _ = $new;677				let _ = $old;678				$check679			} else {680				$new.$field = $old.$field681			}682		)*683	}};684}685macro_rules! limit_default_clone {686	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{687		$(688			if let Some($new) = $new.$field.clone() {689				let $old = $old.$field($($arg)?);690				let _ = $new;691				let _ = $old;692				$check693			} else {694				$new.$field = $old.$field.clone()695			}696		)*697	}};698}699700impl<T: Config> Pallet<T> {701	pub fn init_collection(702		owner: T::AccountId,703		data: CreateCollectionData<T::AccountId>,704	) -> Result<CollectionId, DispatchError> {705		{706			ensure!(707				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,708				Error::<T>::CollectionTokenPrefixLimitExceeded709			);710		}711712		let created_count = <CreatedCollectionCount<T>>::get()713			.0714			.checked_add(1)715			.ok_or(ArithmeticError::Overflow)?;716		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;717		let id = CollectionId(created_count);718719		// bound Total number of collections720		ensure!(721			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,722			<Error<T>>::TotalCollectionsLimitExceeded723		);724725		// =========726727		let collection = Collection {728			owner: owner.clone(),729			name: data.name,730			mode: data.mode.clone(),731			description: data.description,732			token_prefix: data.token_prefix,733			sponsorship: data734				.pending_sponsor735				.map(SponsorshipState::Unconfirmed)736				.unwrap_or_default(),737			limits: data738				.limits739				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))740				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,741			permissions: data742				.permissions743				.map(|permissions| Self::clamp_permissions(data.mode.clone(), &Default::default(), permissions))744				.unwrap_or_else(|| Ok(CollectionPermissions::default()))?,745		};746747		let mut collection_properties = up_data_structs::CollectionProperties::get();748		collection_properties749			.try_set_from_iter(data.properties.into_iter())750			.map_err(<Error<T>>::from)?;751752		CollectionProperties::<T>::insert(id, collection_properties);753754		let mut token_props_permissions = PropertiesPermissionMap::new();755		token_props_permissions756			.try_set_from_iter(data.token_property_permissions.into_iter())757			.map_err(<Error<T>>::from)?;758759		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);760761		// Take a (non-refundable) deposit of collection creation762		{763			let mut imbalance =764				<<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();765			imbalance.subsume(766				<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(767					&T::TreasuryAccountId::get(),768					T::CollectionCreationPrice::get(),769				),770			);771			<T as Config>::Currency::settle(772				&owner,773				imbalance,774				WithdrawReasons::TRANSFER,775				ExistenceRequirement::KeepAlive,776			)777			.map_err(|_| Error::<T>::NotSufficientFounds)?;778		}779780		<CreatedCollectionCount<T>>::put(created_count);781		<Pallet<T>>::deposit_event(Event::CollectionCreated(id, data.mode.id(), owner.clone()));782		<CollectionById<T>>::insert(id, collection);783		Ok(id)784	}785786	pub fn destroy_collection(787		collection: CollectionHandle<T>,788		sender: &T::CrossAccountId,789	) -> DispatchResult {790		ensure!(791			collection.limits.owner_can_destroy(),792			<Error<T>>::NoPermission,793		);794		collection.check_is_owner(sender)?;795796		let destroyed_collections = <DestroyedCollectionCount<T>>::get()797			.0798			.checked_add(1)799			.ok_or(ArithmeticError::Overflow)?;800801		// =========802803		<DestroyedCollectionCount<T>>::put(destroyed_collections);804		<CollectionById<T>>::remove(collection.id);805		<AdminAmount<T>>::remove(collection.id);806		<IsAdmin<T>>::remove_prefix((collection.id,), None);807		<Allowlist<T>>::remove_prefix((collection.id,), None);808		<CollectionProperties<T>>::remove(collection.id);809810		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));811		Ok(())812	}813814	pub fn set_collection_property(815		collection: &CollectionHandle<T>,816		sender: &T::CrossAccountId,817		property: Property,818	) -> DispatchResult {819		collection.check_is_owner_or_admin(sender)?;820821		CollectionProperties::<T>::try_mutate(collection.id, |properties| {822			let property = property.clone();823			properties.try_set(property.key, property.value)824		})825		.map_err(<Error<T>>::from)?;826827		Self::deposit_event(Event::CollectionPropertySet(collection.id, property.key));828829		Ok(())830	}831832	pub fn set_scoped_collection_property(833		collection_id: CollectionId,834		scope: PropertyScope,835		property: Property,836	) -> DispatchResult {837		CollectionProperties::<T>::try_mutate(collection_id, |properties| {838			properties.try_scoped_set(scope, property.key, property.value)839		})840		.map_err(<Error<T>>::from)?;841842		Ok(())843	}844845	pub fn set_scoped_collection_properties(846		collection_id: CollectionId,847		scope: PropertyScope,848		properties: impl Iterator<Item = Property>,849	) -> DispatchResult {850		CollectionProperties::<T>::try_mutate(collection_id, |stored_properties| {851			stored_properties.try_scoped_set_from_iter(scope, properties)852		})853		.map_err(<Error<T>>::from)?;854855		Ok(())856	}857858	#[transactional]859	pub fn set_collection_properties(860		collection: &CollectionHandle<T>,861		sender: &T::CrossAccountId,862		properties: Vec<Property>,863	) -> DispatchResult {864		for property in properties {865			Self::set_collection_property(collection, sender, property)?;866		}867868		Ok(())869	}870871	pub fn delete_collection_property(872		collection: &CollectionHandle<T>,873		sender: &T::CrossAccountId,874		property_key: PropertyKey,875	) -> DispatchResult {876		collection.check_is_owner_or_admin(sender)?;877878		CollectionProperties::<T>::try_mutate(collection.id, |properties| {879			properties.remove(&property_key)880		})881		.map_err(<Error<T>>::from)?;882883		Self::deposit_event(Event::CollectionPropertyDeleted(884			collection.id,885			property_key,886		));887888		Ok(())889	}890891	#[transactional]892	pub fn delete_collection_properties(893		collection: &CollectionHandle<T>,894		sender: &T::CrossAccountId,895		property_keys: Vec<PropertyKey>,896	) -> DispatchResult {897		for key in property_keys {898			Self::delete_collection_property(collection, sender, key)?;899		}900901		Ok(())902	}903904	// For migrations905	pub fn set_property_permission_unchecked(906		collection: CollectionId,907		property_permission: PropertyKeyPermission,908	) -> DispatchResult {909		<CollectionPropertyPermissions<T>>::try_mutate(collection, |permissions| {910			permissions.try_set(property_permission.key, property_permission.permission)911		})912		.map_err(<Error<T>>::from)?;913		Ok(())914	}915916	pub fn set_property_permission(917		collection: &CollectionHandle<T>,918		sender: &T::CrossAccountId,919		property_permission: PropertyKeyPermission,920	) -> DispatchResult {921		collection.check_is_owner_or_admin(sender)?;922923		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);924		let current_permission = all_permissions.get(&property_permission.key);925		if matches![926			current_permission,927			Some(PropertyPermission { mutable: false, .. })928		] {929			return Err(<Error<T>>::NoPermission.into());930		}931932		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {933			let property_permission = property_permission.clone();934			permissions.try_set(property_permission.key, property_permission.permission)935		})936		.map_err(<Error<T>>::from)?;937938		Self::deposit_event(Event::PropertyPermissionSet(939			collection.id,940			property_permission.key,941		));942943		Ok(())944	}945946	#[transactional]947	pub fn set_property_permissions(948		collection: &CollectionHandle<T>,949		sender: &T::CrossAccountId,950		property_permissions: Vec<PropertyKeyPermission>,951	) -> DispatchResult {952		for prop_pemission in property_permissions {953			Self::set_property_permission(collection, sender, prop_pemission)?;954		}955956		Ok(())957	}958959	pub fn get_collection_property(960		collection_id: CollectionId,961		key: &PropertyKey,962	) -> Option<PropertyValue> {963		Self::collection_properties(collection_id).get(key).cloned()964	}965966	pub fn bytes_keys_to_property_keys(967		keys: Vec<Vec<u8>>,968	) -> Result<Vec<PropertyKey>, DispatchError> {969		keys.into_iter()970			.map(|key| -> Result<PropertyKey, DispatchError> {971				key.try_into()972					.map_err(|_| <Error<T>>::PropertyKeyIsTooLong.into())973			})974			.collect::<Result<Vec<PropertyKey>, DispatchError>>()975	}976977	pub fn filter_collection_properties(978		collection_id: CollectionId,979		keys: Option<Vec<PropertyKey>>,980	) -> Result<Vec<Property>, DispatchError> {981		let properties = Self::collection_properties(collection_id);982983		let properties = keys984			.map(|keys| {985				keys.into_iter()986					.filter_map(|key| {987						properties.get(&key).map(|value| Property {988							key,989							value: value.clone(),990						})991					})992					.collect()993			})994			.unwrap_or_else(|| {995				properties996					.into_iter()997					.map(|(key, value)| Property {998						key,999						value,1000					})1001					.collect()1002			});10031004		Ok(properties)1005	}10061007	pub fn filter_property_permissions(1008		collection_id: CollectionId,1009		keys: Option<Vec<PropertyKey>>,1010	) -> Result<Vec<PropertyKeyPermission>, DispatchError> {1011		let permissions = Self::property_permissions(collection_id);10121013		let key_permissions = keys1014			.map(|keys| {1015				keys.into_iter()1016					.filter_map(|key| {1017						permissions1018							.get(&key)1019							.map(|permission| PropertyKeyPermission {1020								key,1021								permission: permission.clone(),1022							})1023					})1024					.collect()1025			})1026			.unwrap_or_else(|| {1027				permissions1028					.into_iter()1029					.map(|(key, permission)| PropertyKeyPermission {1030						key,1031						permission,1032					})1033					.collect()1034			});10351036		Ok(key_permissions)1037	}10381039	pub fn toggle_allowlist(1040		collection: &CollectionHandle<T>,1041		sender: &T::CrossAccountId,1042		user: &T::CrossAccountId,1043		allowed: bool,1044	) -> DispatchResult {1045		collection.check_is_owner_or_admin(sender)?;10461047		// =========10481049		if allowed {1050			<Allowlist<T>>::insert((collection.id, user), true);1051		} else {1052			<Allowlist<T>>::remove((collection.id, user));1053		}10541055		Ok(())1056	}10571058	pub fn toggle_admin(1059		collection: &CollectionHandle<T>,1060		sender: &T::CrossAccountId,1061		user: &T::CrossAccountId,1062		admin: bool,1063	) -> DispatchResult {1064		collection.check_is_owner_or_admin(sender)?;10651066		let was_admin = <IsAdmin<T>>::get((collection.id, user));1067		if was_admin == admin {1068			return Ok(());1069		}1070		let amount = <AdminAmount<T>>::get(collection.id);10711072		if admin {1073			let amount = amount1074				.checked_add(1)1075				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;1076			ensure!(1077				amount <= Self::collection_admins_limit(),1078				<Error<T>>::CollectionAdminCountExceeded,1079			);10801081			// =========10821083			<AdminAmount<T>>::insert(collection.id, amount);1084			<IsAdmin<T>>::insert((collection.id, user), true);1085		} else {1086			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));1087			<IsAdmin<T>>::remove((collection.id, user));1088		}10891090		Ok(())1091	}10921093	pub fn clamp_limits(1094		mode: CollectionMode,1095		old_limit: &CollectionLimits,1096		mut new_limit: CollectionLimits,1097	) -> Result<CollectionLimits, DispatchError> {1098		limit_default!(old_limit, new_limit,1099			account_token_ownership_limit => ensure!(1100				new_limit <= MAX_TOKEN_OWNERSHIP,1101				<Error<T>>::CollectionLimitBoundsExceeded,1102			),1103			sponsor_transfer_timeout(match mode {1104				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,1105				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1106				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1107			}) => ensure!(1108				new_limit <= MAX_SPONSOR_TIMEOUT,1109				<Error<T>>::CollectionLimitBoundsExceeded,1110			),1111			sponsored_data_size => ensure!(1112				new_limit <= CUSTOM_DATA_LIMIT,1113				<Error<T>>::CollectionLimitBoundsExceeded,1114			),1115			token_limit => ensure!(1116				old_limit >= new_limit && new_limit > 0,1117				<Error<T>>::CollectionTokenLimitExceeded1118			),1119			owner_can_transfer => ensure!(1120				old_limit || !new_limit,1121				<Error<T>>::OwnerPermissionsCantBeReverted,1122			),1123			owner_can_destroy => ensure!(1124				old_limit || !new_limit,1125				<Error<T>>::OwnerPermissionsCantBeReverted,1126			),1127			sponsored_data_rate_limit => {},1128			transfers_enabled => {},1129		);1130		Ok(new_limit)1131	}1132	pub fn clamp_permissions(1133		mode: CollectionMode,1134		old_limit: &CollectionPermissions,1135		mut new_limit: CollectionPermissions,1136	) -> Result<CollectionPermissions, DispatchError> {1137		limit_default_clone!(old_limit, new_limit,1138		);1139		Ok(new_limit)1140	}1141}11421143#[macro_export]1144macro_rules! unsupported {1145	() => {1146		Err(<Error<T>>::UnsupportedOperation.into())1147	};1148}11491150/// Worst cases1151pub trait CommonWeightInfo<CrossAccountId> {1152	fn create_item() -> Weight;1153	fn create_multiple_items(amount: &[CreateItemData]) -> Weight;1154	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;1155	fn burn_item() -> Weight;1156	fn set_collection_properties(amount: u32) -> Weight;1157	fn delete_collection_properties(amount: u32) -> Weight;1158	fn set_token_properties(amount: u32) -> Weight;1159	fn delete_token_properties(amount: u32) -> Weight;1160	fn set_property_permissions(amount: u32) -> Weight;1161	fn transfer() -> Weight;1162	fn approve() -> Weight;1163	fn transfer_from() -> Weight;1164	fn burn_from() -> Weight;1165}11661167pub trait CommonCollectionOperations<T: Config> {1168	fn create_item(1169		&self,1170		sender: T::CrossAccountId,1171		to: T::CrossAccountId,1172		data: CreateItemData,1173		nesting_budget: &dyn Budget,1174	) -> DispatchResultWithPostInfo;1175	fn create_multiple_items(1176		&self,1177		sender: T::CrossAccountId,1178		to: T::CrossAccountId,1179		data: Vec<CreateItemData>,1180		nesting_budget: &dyn Budget,1181	) -> DispatchResultWithPostInfo;1182	fn create_multiple_items_ex(1183		&self,1184		sender: T::CrossAccountId,1185		data: CreateItemExData<T::CrossAccountId>,1186		nesting_budget: &dyn Budget,1187	) -> DispatchResultWithPostInfo;1188	fn burn_item(1189		&self,1190		sender: T::CrossAccountId,1191		token: TokenId,1192		amount: u128,1193	) -> DispatchResultWithPostInfo;1194	fn set_collection_properties(1195		&self,1196		sender: T::CrossAccountId,1197		properties: Vec<Property>,1198	) -> DispatchResultWithPostInfo;1199	fn delete_collection_properties(1200		&self,1201		sender: &T::CrossAccountId,1202		property_keys: Vec<PropertyKey>,1203	) -> DispatchResultWithPostInfo;1204	fn set_token_properties(1205		&self,1206		sender: T::CrossAccountId,1207		token_id: TokenId,1208		property: Vec<Property>,1209	) -> DispatchResultWithPostInfo;1210	fn delete_token_properties(1211		&self,1212		sender: T::CrossAccountId,1213		token_id: TokenId,1214		property_keys: Vec<PropertyKey>,1215	) -> DispatchResultWithPostInfo;1216	fn set_property_permissions(1217		&self,1218		sender: &T::CrossAccountId,1219		property_permissions: Vec<PropertyKeyPermission>,1220	) -> DispatchResultWithPostInfo;1221	fn transfer(1222		&self,1223		sender: T::CrossAccountId,1224		to: T::CrossAccountId,1225		token: TokenId,1226		amount: u128,1227		nesting_budget: &dyn Budget,1228	) -> DispatchResultWithPostInfo;1229	fn approve(1230		&self,1231		sender: T::CrossAccountId,1232		spender: T::CrossAccountId,1233		token: TokenId,1234		amount: u128,1235	) -> DispatchResultWithPostInfo;1236	fn transfer_from(1237		&self,1238		sender: T::CrossAccountId,1239		from: T::CrossAccountId,1240		to: T::CrossAccountId,1241		token: TokenId,1242		amount: u128,1243		nesting_budget: &dyn Budget,1244	) -> DispatchResultWithPostInfo;1245	fn burn_from(1246		&self,1247		sender: T::CrossAccountId,1248		from: T::CrossAccountId,1249		token: TokenId,1250		amount: u128,1251		nesting_budget: &dyn Budget,1252	) -> DispatchResultWithPostInfo;12531254	fn check_nesting(1255		&self,1256		sender: T::CrossAccountId,1257		from: (CollectionId, TokenId),1258		under: TokenId,1259		budget: &dyn Budget,1260	) -> DispatchResult;12611262	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;1263	fn collection_tokens(&self) -> Vec<TokenId>;1264	fn token_exists(&self, token: TokenId) -> bool;1265	fn last_token_id(&self) -> TokenId;12661267	fn token_owner(&self, token: TokenId) -> Option<T::CrossAccountId>;1268	fn token_property(&self, token_id: TokenId, key: &PropertyKey) -> Option<PropertyValue>;1269	fn token_properties(&self, token_id: TokenId, keys: Option<Vec<PropertyKey>>) -> Vec<Property>;1270	/// Amount of unique collection tokens1271	fn total_supply(&self) -> u32;1272	/// Amount of different tokens account has (Applicable to nonfungible/refungible)1273	fn account_balance(&self, account: T::CrossAccountId) -> u32;1274	/// Amount of specific token account have (Applicable to fungible/refungible)1275	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;1276	fn allowance(1277		&self,1278		sender: T::CrossAccountId,1279		spender: T::CrossAccountId,1280		token: TokenId,1281	) -> u128;1282}12831284// Flexible enough for implementing CommonCollectionOperations1285pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {1286	let post_info = PostDispatchInfo {1287		actual_weight: Some(weight),1288		pays_fee: Pays::Yes,1289	};1290	match res {1291		Ok(()) => Ok(post_info),1292		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),1293	}1294}12951296impl<T: Config> From<PropertiesError> for Error<T> {1297	fn from(error: PropertiesError) -> Self {1298		match error {1299			PropertiesError::NoSpaceForProperty => Self::NoSpaceForProperty,1300			PropertiesError::PropertyLimitReached => Self::PropertyLimitReached,1301			PropertiesError::InvalidCharacterInPropertyKey => Self::InvalidCharacterInPropertyKey,1302			PropertiesError::PropertyKeyIsTooLong => Self::PropertyKeyIsTooLong,1303			PropertiesError::EmptyPropertyKey => Self::EmptyPropertyKey,1304		}1305	}1306}