git.delta.rocks / unique-network / refs/commits / d2735a42ddb8

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		/// Destroying only empty collections is allowed357		CantDestroyNotEmptyCollection,358		/// Collection is not in mint mode.359		PublicMintingNotAllowed,360		/// Address is not in allow list.361		AddressNotInAllowlist,362363		/// Collection name can not be longer than 63 char.364		CollectionNameLimitExceeded,365		/// Collection description can not be longer than 255 char.366		CollectionDescriptionLimitExceeded,367		/// Token prefix can not be longer than 15 char.368		CollectionTokenPrefixLimitExceeded,369		/// Total collections bound exceeded.370		TotalCollectionsLimitExceeded,371		/// Exceeded max admin count372		CollectionAdminCountExceeded,373		/// Collection limit bounds per collection exceeded374		CollectionLimitBoundsExceeded,375		/// Tried to enable permissions which are only permitted to be disabled376		OwnerPermissionsCantBeReverted,377		/// Collection settings not allowing items transferring378		TransferNotAllowed,379		/// Account token limit exceeded per collection380		AccountTokenLimitExceeded,381		/// Collection token limit exceeded382		CollectionTokenLimitExceeded,383		/// Metadata flag frozen384		MetadataFlagFrozen,385386		/// Item not exists.387		TokenNotFound,388		/// Item balance not enough.389		TokenValueTooLow,390		/// Requested value more than approved.391		ApprovedValueTooLow,392		/// Tried to approve more than owned393		CantApproveMoreThanOwned,394395		/// Can't transfer tokens to ethereum zero address396		AddressIsZero,397		/// Target collection doesn't supports this operation398		UnsupportedOperation,399400		/// Not sufficient founds to perform action401		NotSufficientFounds,402403		/// Collection has nesting disabled404		NestingIsDisabled,405		/// Only owner may nest tokens under this collection406		OnlyOwnerAllowedToNest,407		/// Only tokens from specific collections may nest tokens under this408		SourceCollectionIsNotAllowedToNest,409410		/// Tried to store more data than allowed in collection field411		CollectionFieldSizeExceeded,412413		/// Tried to store more property data than allowed414		NoSpaceForProperty,415416		/// Tried to store more property keys than allowed417		PropertyLimitReached,418419		/// Property key is too long420		PropertyKeyIsTooLong,421422		/// Only ASCII letters, digits, and '_', '-' are allowed423		InvalidCharacterInPropertyKey,424425		/// Empty property keys are forbidden426		EmptyPropertyKey,427	}428429	#[pallet::storage]430	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;431	#[pallet::storage]432	pub type DestroyedCollectionCount<T> =433		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;434435	/// Collection info436	#[pallet::storage]437	pub type CollectionById<T> = StorageMap<438		Hasher = Blake2_128Concat,439		Key = CollectionId,440		Value = Collection<<T as frame_system::Config>::AccountId>,441		QueryKind = OptionQuery,442	>;443444	/// Collection properties445	#[pallet::storage]446	#[pallet::getter(fn collection_properties)]447	pub type CollectionProperties<T> = StorageMap<448		Hasher = Blake2_128Concat,449		Key = CollectionId,450		Value = Properties,451		QueryKind = ValueQuery,452		OnEmpty = up_data_structs::CollectionProperties,453	>;454455	#[pallet::storage]456	#[pallet::getter(fn property_permissions)]457	pub type CollectionPropertyPermissions<T> = StorageMap<458		Hasher = Blake2_128Concat,459		Key = CollectionId,460		Value = PropertiesPermissionMap,461		QueryKind = ValueQuery,462	>;463464	#[pallet::storage]465	pub type AdminAmount<T> = StorageMap<466		Hasher = Blake2_128Concat,467		Key = CollectionId,468		Value = u32,469		QueryKind = ValueQuery,470	>;471472	/// List of collection admins473	#[pallet::storage]474	pub type IsAdmin<T: Config> = StorageNMap<475		Key = (476			Key<Blake2_128Concat, CollectionId>,477			Key<Blake2_128Concat, T::CrossAccountId>,478		),479		Value = bool,480		QueryKind = ValueQuery,481	>;482483	/// Allowlisted collection users484	#[pallet::storage]485	pub type Allowlist<T: Config> = StorageNMap<486		Key = (487			Key<Blake2_128Concat, CollectionId>,488			Key<Blake2_128Concat, T::CrossAccountId>,489		),490		Value = bool,491		QueryKind = ValueQuery,492	>;493494	/// Not used by code, exists only to provide some types to metadata495	#[pallet::storage]496	pub type DummyStorageValue<T: Config> = StorageValue<497		Value = (498			CollectionStats,499			CollectionId,500			TokenId,501			PhantomType<(502				TokenData<T::CrossAccountId>,503				RpcCollection<T::AccountId>,504				// RMRK505				RmrkCollectionInfo<T::AccountId>,506				RmrkInstanceInfo<T::AccountId>,507				RmrkResourceInfo,508				RmrkPropertyInfo,509				RmrkBaseInfo<T::AccountId>,510				RmrkPartType,511				RmrkTheme,512				RmrkNftChild,513			)>,514		),515		QueryKind = OptionQuery,516	>;517518	#[pallet::hooks]519	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {520		fn on_runtime_upgrade() -> Weight {521			if StorageVersion::get::<Pallet<T>>() < StorageVersion::new(1) {522				use up_data_structs::{CollectionVersion1, CollectionVersion2};523				<CollectionById<T>>::translate::<CollectionVersion1<T::AccountId>, _>(|id, v| {524					let mut props = Vec::new();525					if !v.offchain_schema.is_empty() {526						props.push(Property {527							key: b"_old_offchainSchema".to_vec().try_into().unwrap(),528							value: v529								.offchain_schema530								.clone()531								.into_inner()532								.try_into()533								.expect("offchain schema too big"),534						});535					}536					if !v.variable_on_chain_schema.is_empty() {537						props.push(Property {538							key: b"_old_variableOnChainSchema".to_vec().try_into().unwrap(),539							value: v540								.variable_on_chain_schema541								.clone()542								.into_inner()543								.try_into()544								.expect("offchain schema too big"),545						});546					}547					if !v.const_on_chain_schema.is_empty() {548						props.push(Property {549							key: b"_old_constOnChainSchema".to_vec().try_into().unwrap(),550							value: v551								.const_on_chain_schema552								.clone()553								.into_inner()554								.try_into()555								.expect("offchain schema too big"),556						});557					}558					props.push(Property {559						key: b"_old_schemaVersion".to_vec().try_into().unwrap(),560						value: match v.schema_version {561							SchemaVersion::ImageURL => b"ImageUrl".as_slice(),562							SchemaVersion::Unique => b"Unique".as_slice(),563						}564						.to_vec()565						.try_into()566						.unwrap(),567					});568					Self::set_scoped_collection_properties(569						id,570						PropertyScope::None,571						props.into_iter(),572					)573					.expect("existing data larger than properties");574					let mut new = CollectionVersion2::from(v.clone());575					new.permissions.access = Some(v.access);576					new.permissions.mint_mode = Some(v.mint_mode);577					Some(new)578				});579			}580581			0582		}583	}584}585586impl<T: Config> Pallet<T> {587	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens588	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {589		ensure!(590			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,591			<Error<T>>::AddressIsZero592		);593		Ok(())594	}595	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {596		<IsAdmin<T>>::iter_prefix((collection,))597			.map(|(a, _)| a)598			.collect()599	}600	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {601		<Allowlist<T>>::iter_prefix((collection,))602			.map(|(a, _)| a)603			.collect()604	}605	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {606		<Allowlist<T>>::get((collection, user))607	}608	pub fn collection_stats() -> CollectionStats {609		let created = <CreatedCollectionCount<T>>::get();610		let destroyed = <DestroyedCollectionCount<T>>::get();611		CollectionStats {612			created: created.0,613			destroyed: destroyed.0,614			alive: created.0 - destroyed.0,615		}616	}617618	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {619		let collection = <CollectionById<T>>::get(collection);620		if collection.is_none() {621			return None;622		}623624		let collection = collection.unwrap();625		let limits = collection.limits;626		let effective_limits = CollectionLimits {627			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),628			sponsored_data_size: Some(limits.sponsored_data_size()),629			sponsored_data_rate_limit: Some(630				limits631					.sponsored_data_rate_limit632					.unwrap_or(SponsoringRateLimit::SponsoringDisabled),633			),634			token_limit: Some(limits.token_limit()),635			sponsor_transfer_timeout: Some(limits.sponsor_transfer_timeout(636				match collection.mode {637					CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,638					CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,639					CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,640				},641			)),642			sponsor_approve_timeout: Some(limits.sponsor_approve_timeout()),643			owner_can_transfer: Some(limits.owner_can_transfer()),644			owner_can_destroy: Some(limits.owner_can_destroy()),645			transfers_enabled: Some(limits.transfers_enabled()),646		};647648		Some(effective_limits)649	}650651	pub fn rpc_collection(collection: CollectionId) -> Option<RpcCollection<T::AccountId>> {652		let Collection {653			name,654			description,655			owner,656			mode,657			token_prefix,658			sponsorship,659			limits,660			permissions,661		} = <CollectionById<T>>::get(collection)?;662663		let token_property_permissions = <CollectionPropertyPermissions<T>>::get(collection)664			.into_iter()665			.map(|(key, permission)| PropertyKeyPermission { key, permission })666			.collect();667668		let properties = <CollectionProperties<T>>::get(collection)669			.into_iter()670			.map(|(key, value)| Property { key, value })671			.collect();672673		let permissions = CollectionPermissions {674			access: Some(permissions.access()),675			mint_mode: Some(permissions.mint_mode()),676			nesting: Some(permissions.nesting().clone()),677		};678679		Some(RpcCollection {680			name: name.into_inner(),681			description: description.into_inner(),682			owner,683			mode,684			token_prefix: token_prefix.into_inner(),685			sponsorship,686			limits,687			permissions,688			token_property_permissions,689			properties,690		})691	}692}693694macro_rules! limit_default {695	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{696		$(697			if let Some($new) = $new.$field {698				let $old = $old.$field($($arg)?);699				let _ = $new;700				let _ = $old;701				$check702			} else {703				$new.$field = $old.$field704			}705		)*706	}};707}708macro_rules! limit_default_clone {709	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{710		$(711			if let Some($new) = $new.$field.clone() {712				let $old = $old.$field($($arg)?);713				let _ = $new;714				let _ = $old;715				$check716			} else {717				$new.$field = $old.$field.clone()718			}719		)*720	}};721}722723impl<T: Config> Pallet<T> {724	pub fn init_collection(725		owner: T::AccountId,726		data: CreateCollectionData<T::AccountId>,727	) -> Result<CollectionId, DispatchError> {728		{729			ensure!(730				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,731				Error::<T>::CollectionTokenPrefixLimitExceeded732			);733		}734735		let created_count = <CreatedCollectionCount<T>>::get()736			.0737			.checked_add(1)738			.ok_or(ArithmeticError::Overflow)?;739		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;740		let id = CollectionId(created_count);741742		// bound Total number of collections743		ensure!(744			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,745			<Error<T>>::TotalCollectionsLimitExceeded746		);747748		// =========749750		let collection = Collection {751			owner: owner.clone(),752			name: data.name,753			mode: data.mode.clone(),754			description: data.description,755			token_prefix: data.token_prefix,756			sponsorship: data757				.pending_sponsor758				.map(SponsorshipState::Unconfirmed)759				.unwrap_or_default(),760			limits: data761				.limits762				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))763				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,764			permissions: data765				.permissions766				.map(|permissions| {767					Self::clamp_permissions(data.mode.clone(), &Default::default(), permissions)768				})769				.unwrap_or_else(|| Ok(CollectionPermissions::default()))?,770		};771772		let mut collection_properties = up_data_structs::CollectionProperties::get();773		collection_properties774			.try_set_from_iter(data.properties.into_iter())775			.map_err(<Error<T>>::from)?;776777		CollectionProperties::<T>::insert(id, collection_properties);778779		let mut token_props_permissions = PropertiesPermissionMap::new();780		token_props_permissions781			.try_set_from_iter(data.token_property_permissions.into_iter())782			.map_err(<Error<T>>::from)?;783784		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);785786		// Take a (non-refundable) deposit of collection creation787		{788			let mut imbalance =789				<<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();790			imbalance.subsume(791				<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(792					&T::TreasuryAccountId::get(),793					T::CollectionCreationPrice::get(),794				),795			);796			<T as Config>::Currency::settle(797				&owner,798				imbalance,799				WithdrawReasons::TRANSFER,800				ExistenceRequirement::KeepAlive,801			)802			.map_err(|_| Error::<T>::NotSufficientFounds)?;803		}804805		<CreatedCollectionCount<T>>::put(created_count);806		<Pallet<T>>::deposit_event(Event::CollectionCreated(id, data.mode.id(), owner.clone()));807		<CollectionById<T>>::insert(id, collection);808		Ok(id)809	}810811	pub fn destroy_collection(812		collection: CollectionHandle<T>,813		sender: &T::CrossAccountId,814	) -> DispatchResult {815		ensure!(816			collection.limits.owner_can_destroy(),817			<Error<T>>::NoPermission,818		);819		collection.check_is_owner(sender)?;820821		let destroyed_collections = <DestroyedCollectionCount<T>>::get()822			.0823			.checked_add(1)824			.ok_or(ArithmeticError::Overflow)?;825826		// =========827828		<DestroyedCollectionCount<T>>::put(destroyed_collections);829		<CollectionById<T>>::remove(collection.id);830		<AdminAmount<T>>::remove(collection.id);831		<IsAdmin<T>>::remove_prefix((collection.id,), None);832		<Allowlist<T>>::remove_prefix((collection.id,), None);833		<CollectionProperties<T>>::remove(collection.id);834835		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));836		Ok(())837	}838839	pub fn set_collection_property(840		collection: &CollectionHandle<T>,841		sender: &T::CrossAccountId,842		property: Property,843	) -> DispatchResult {844		collection.check_is_owner_or_admin(sender)?;845846		CollectionProperties::<T>::try_mutate(collection.id, |properties| {847			let property = property.clone();848			properties.try_set(property.key, property.value)849		})850		.map_err(<Error<T>>::from)?;851852		Self::deposit_event(Event::CollectionPropertySet(collection.id, property.key));853854		Ok(())855	}856857	pub fn set_scoped_collection_property(858		collection_id: CollectionId,859		scope: PropertyScope,860		property: Property,861	) -> DispatchResult {862		CollectionProperties::<T>::try_mutate(collection_id, |properties| {863			properties.try_scoped_set(scope, property.key, property.value)864		})865		.map_err(<Error<T>>::from)?;866867		Ok(())868	}869870	pub fn set_scoped_collection_properties(871		collection_id: CollectionId,872		scope: PropertyScope,873		properties: impl Iterator<Item = Property>,874	) -> DispatchResult {875		CollectionProperties::<T>::try_mutate(collection_id, |stored_properties| {876			stored_properties.try_scoped_set_from_iter(scope, properties)877		})878		.map_err(<Error<T>>::from)?;879880		Ok(())881	}882883	#[transactional]884	pub fn set_collection_properties(885		collection: &CollectionHandle<T>,886		sender: &T::CrossAccountId,887		properties: Vec<Property>,888	) -> DispatchResult {889		for property in properties {890			Self::set_collection_property(collection, sender, property)?;891		}892893		Ok(())894	}895896	pub fn delete_collection_property(897		collection: &CollectionHandle<T>,898		sender: &T::CrossAccountId,899		property_key: PropertyKey,900	) -> DispatchResult {901		collection.check_is_owner_or_admin(sender)?;902903		CollectionProperties::<T>::try_mutate(collection.id, |properties| {904			properties.remove(&property_key)905		})906		.map_err(<Error<T>>::from)?;907908		Self::deposit_event(Event::CollectionPropertyDeleted(909			collection.id,910			property_key,911		));912913		Ok(())914	}915916	#[transactional]917	pub fn delete_collection_properties(918		collection: &CollectionHandle<T>,919		sender: &T::CrossAccountId,920		property_keys: Vec<PropertyKey>,921	) -> DispatchResult {922		for key in property_keys {923			Self::delete_collection_property(collection, sender, key)?;924		}925926		Ok(())927	}928929	// For migrations930	pub fn set_property_permission_unchecked(931		collection: CollectionId,932		property_permission: PropertyKeyPermission,933	) -> DispatchResult {934		<CollectionPropertyPermissions<T>>::try_mutate(collection, |permissions| {935			permissions.try_set(property_permission.key, property_permission.permission)936		})937		.map_err(<Error<T>>::from)?;938		Ok(())939	}940941	pub fn set_property_permission(942		collection: &CollectionHandle<T>,943		sender: &T::CrossAccountId,944		property_permission: PropertyKeyPermission,945	) -> DispatchResult {946		collection.check_is_owner_or_admin(sender)?;947948		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);949		let current_permission = all_permissions.get(&property_permission.key);950		if matches![951			current_permission,952			Some(PropertyPermission { mutable: false, .. })953		] {954			return Err(<Error<T>>::NoPermission.into());955		}956957		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {958			let property_permission = property_permission.clone();959			permissions.try_set(property_permission.key, property_permission.permission)960		})961		.map_err(<Error<T>>::from)?;962963		Self::deposit_event(Event::PropertyPermissionSet(964			collection.id,965			property_permission.key,966		));967968		Ok(())969	}970971	#[transactional]972	pub fn set_property_permissions(973		collection: &CollectionHandle<T>,974		sender: &T::CrossAccountId,975		property_permissions: Vec<PropertyKeyPermission>,976	) -> DispatchResult {977		for prop_pemission in property_permissions {978			Self::set_property_permission(collection, sender, prop_pemission)?;979		}980981		Ok(())982	}983984	pub fn get_collection_property(985		collection_id: CollectionId,986		key: &PropertyKey,987	) -> Option<PropertyValue> {988		Self::collection_properties(collection_id).get(key).cloned()989	}990991	pub fn bytes_keys_to_property_keys(992		keys: Vec<Vec<u8>>,993	) -> Result<Vec<PropertyKey>, DispatchError> {994		keys.into_iter()995			.map(|key| -> Result<PropertyKey, DispatchError> {996				key.try_into()997					.map_err(|_| <Error<T>>::PropertyKeyIsTooLong.into())998			})999			.collect::<Result<Vec<PropertyKey>, DispatchError>>()1000	}10011002	pub fn filter_collection_properties(1003		collection_id: CollectionId,1004		keys: Option<Vec<PropertyKey>>,1005	) -> Result<Vec<Property>, DispatchError> {1006		let properties = Self::collection_properties(collection_id);10071008		let properties = keys1009			.map(|keys| {1010				keys.into_iter()1011					.filter_map(|key| {1012						properties.get(&key).map(|value| Property {1013							key,1014							value: value.clone(),1015						})1016					})1017					.collect()1018			})1019			.unwrap_or_else(|| {1020				properties1021					.into_iter()1022					.map(|(key, value)| Property { key, value })1023					.collect()1024			});10251026		Ok(properties)1027	}10281029	pub fn filter_property_permissions(1030		collection_id: CollectionId,1031		keys: Option<Vec<PropertyKey>>,1032	) -> Result<Vec<PropertyKeyPermission>, DispatchError> {1033		let permissions = Self::property_permissions(collection_id);10341035		let key_permissions = keys1036			.map(|keys| {1037				keys.into_iter()1038					.filter_map(|key| {1039						permissions1040							.get(&key)1041							.map(|permission| PropertyKeyPermission {1042								key,1043								permission: permission.clone(),1044							})1045					})1046					.collect()1047			})1048			.unwrap_or_else(|| {1049				permissions1050					.into_iter()1051					.map(|(key, permission)| PropertyKeyPermission { key, permission })1052					.collect()1053			});10541055		Ok(key_permissions)1056	}10571058	pub fn toggle_allowlist(1059		collection: &CollectionHandle<T>,1060		sender: &T::CrossAccountId,1061		user: &T::CrossAccountId,1062		allowed: bool,1063	) -> DispatchResult {1064		collection.check_is_owner_or_admin(sender)?;10651066		// =========10671068		if allowed {1069			<Allowlist<T>>::insert((collection.id, user), true);1070		} else {1071			<Allowlist<T>>::remove((collection.id, user));1072		}10731074		Ok(())1075	}10761077	pub fn toggle_admin(1078		collection: &CollectionHandle<T>,1079		sender: &T::CrossAccountId,1080		user: &T::CrossAccountId,1081		admin: bool,1082	) -> DispatchResult {1083		collection.check_is_owner_or_admin(sender)?;10841085		let was_admin = <IsAdmin<T>>::get((collection.id, user));1086		if was_admin == admin {1087			return Ok(());1088		}1089		let amount = <AdminAmount<T>>::get(collection.id);10901091		if admin {1092			let amount = amount1093				.checked_add(1)1094				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;1095			ensure!(1096				amount <= Self::collection_admins_limit(),1097				<Error<T>>::CollectionAdminCountExceeded,1098			);10991100			// =========11011102			<AdminAmount<T>>::insert(collection.id, amount);1103			<IsAdmin<T>>::insert((collection.id, user), true);1104		} else {1105			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));1106			<IsAdmin<T>>::remove((collection.id, user));1107		}11081109		Ok(())1110	}11111112	pub fn clamp_limits(1113		mode: CollectionMode,1114		old_limit: &CollectionLimits,1115		mut new_limit: CollectionLimits,1116	) -> Result<CollectionLimits, DispatchError> {1117		limit_default!(old_limit, new_limit,1118			account_token_ownership_limit => ensure!(1119				new_limit <= MAX_TOKEN_OWNERSHIP,1120				<Error<T>>::CollectionLimitBoundsExceeded,1121			),1122			sponsored_data_size => ensure!(1123				new_limit <= CUSTOM_DATA_LIMIT,1124				<Error<T>>::CollectionLimitBoundsExceeded,1125			),11261127			sponsored_data_rate_limit => {},1128			token_limit => ensure!(1129				old_limit >= new_limit && new_limit > 0,1130				<Error<T>>::CollectionTokenLimitExceeded1131			),11321133			sponsor_transfer_timeout(match mode {1134				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,1135				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1136				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1137			}) => ensure!(1138				new_limit <= MAX_SPONSOR_TIMEOUT,1139				<Error<T>>::CollectionLimitBoundsExceeded,1140			),1141			sponsor_approve_timeout => {},1142			owner_can_transfer => ensure!(1143				old_limit || !new_limit,1144				<Error<T>>::OwnerPermissionsCantBeReverted,1145			),1146			owner_can_destroy => ensure!(1147				old_limit || !new_limit,1148				<Error<T>>::OwnerPermissionsCantBeReverted,1149			),1150			transfers_enabled => {},1151		);1152		Ok(new_limit)1153	}1154	pub fn clamp_permissions(1155		mode: CollectionMode,1156		old_limit: &CollectionPermissions,1157		mut new_limit: CollectionPermissions,1158	) -> Result<CollectionPermissions, DispatchError> {1159		limit_default_clone!(old_limit, new_limit,1160			access => {},1161			mint_mode => {},1162			nesting => {},1163		);1164		Ok(new_limit)1165	}1166}11671168#[macro_export]1169macro_rules! unsupported {1170	() => {1171		Err(<Error<T>>::UnsupportedOperation.into())1172	};1173}11741175/// Worst cases1176pub trait CommonWeightInfo<CrossAccountId> {1177	fn create_item() -> Weight;1178	fn create_multiple_items(amount: &[CreateItemData]) -> Weight;1179	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;1180	fn burn_item() -> Weight;1181	fn set_collection_properties(amount: u32) -> Weight;1182	fn delete_collection_properties(amount: u32) -> Weight;1183	fn set_token_properties(amount: u32) -> Weight;1184	fn delete_token_properties(amount: u32) -> Weight;1185	fn set_property_permissions(amount: u32) -> Weight;1186	fn transfer() -> Weight;1187	fn approve() -> Weight;1188	fn transfer_from() -> Weight;1189	fn burn_from() -> Weight;1190}11911192pub trait CommonCollectionOperations<T: Config> {1193	fn create_item(1194		&self,1195		sender: T::CrossAccountId,1196		to: T::CrossAccountId,1197		data: CreateItemData,1198		nesting_budget: &dyn Budget,1199	) -> DispatchResultWithPostInfo;1200	fn create_multiple_items(1201		&self,1202		sender: T::CrossAccountId,1203		to: T::CrossAccountId,1204		data: Vec<CreateItemData>,1205		nesting_budget: &dyn Budget,1206	) -> DispatchResultWithPostInfo;1207	fn create_multiple_items_ex(1208		&self,1209		sender: T::CrossAccountId,1210		data: CreateItemExData<T::CrossAccountId>,1211		nesting_budget: &dyn Budget,1212	) -> DispatchResultWithPostInfo;1213	fn burn_item(1214		&self,1215		sender: T::CrossAccountId,1216		token: TokenId,1217		amount: u128,1218	) -> DispatchResultWithPostInfo;1219	fn set_collection_properties(1220		&self,1221		sender: T::CrossAccountId,1222		properties: Vec<Property>,1223	) -> DispatchResultWithPostInfo;1224	fn delete_collection_properties(1225		&self,1226		sender: &T::CrossAccountId,1227		property_keys: Vec<PropertyKey>,1228	) -> DispatchResultWithPostInfo;1229	fn set_token_properties(1230		&self,1231		sender: T::CrossAccountId,1232		token_id: TokenId,1233		property: Vec<Property>,1234	) -> DispatchResultWithPostInfo;1235	fn delete_token_properties(1236		&self,1237		sender: T::CrossAccountId,1238		token_id: TokenId,1239		property_keys: Vec<PropertyKey>,1240	) -> DispatchResultWithPostInfo;1241	fn set_property_permissions(1242		&self,1243		sender: &T::CrossAccountId,1244		property_permissions: Vec<PropertyKeyPermission>,1245	) -> DispatchResultWithPostInfo;1246	fn transfer(1247		&self,1248		sender: T::CrossAccountId,1249		to: T::CrossAccountId,1250		token: TokenId,1251		amount: u128,1252		nesting_budget: &dyn Budget,1253	) -> DispatchResultWithPostInfo;1254	fn approve(1255		&self,1256		sender: T::CrossAccountId,1257		spender: T::CrossAccountId,1258		token: TokenId,1259		amount: u128,1260	) -> DispatchResultWithPostInfo;1261	fn transfer_from(1262		&self,1263		sender: T::CrossAccountId,1264		from: T::CrossAccountId,1265		to: T::CrossAccountId,1266		token: TokenId,1267		amount: u128,1268		nesting_budget: &dyn Budget,1269	) -> DispatchResultWithPostInfo;1270	fn burn_from(1271		&self,1272		sender: T::CrossAccountId,1273		from: T::CrossAccountId,1274		token: TokenId,1275		amount: u128,1276		nesting_budget: &dyn Budget,1277	) -> DispatchResultWithPostInfo;12781279	fn check_nesting(1280		&self,1281		sender: T::CrossAccountId,1282		from: (CollectionId, TokenId),1283		under: TokenId,1284		budget: &dyn Budget,1285	) -> DispatchResult;12861287	fn nest(&self, under: TokenId, to_nest: (CollectionId, TokenId));12881289	fn unnest(&self, under: TokenId, to_nest: (CollectionId, TokenId));12901291	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;1292	fn collection_tokens(&self) -> Vec<TokenId>;1293	fn token_exists(&self, token: TokenId) -> bool;1294	fn last_token_id(&self) -> TokenId;12951296	fn token_owner(&self, token: TokenId) -> Option<T::CrossAccountId>;1297	fn token_property(&self, token_id: TokenId, key: &PropertyKey) -> Option<PropertyValue>;1298	fn token_properties(&self, token_id: TokenId, keys: Option<Vec<PropertyKey>>) -> Vec<Property>;1299	/// Amount of unique collection tokens1300	fn total_supply(&self) -> u32;1301	/// Amount of different tokens account has (Applicable to nonfungible/refungible)1302	fn account_balance(&self, account: T::CrossAccountId) -> u32;1303	/// Amount of specific token account have (Applicable to fungible/refungible)1304	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;1305	fn allowance(1306		&self,1307		sender: T::CrossAccountId,1308		spender: T::CrossAccountId,1309		token: TokenId,1310	) -> u128;1311}13121313// Flexible enough for implementing CommonCollectionOperations1314pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {1315	let post_info = PostDispatchInfo {1316		actual_weight: Some(weight),1317		pays_fee: Pays::Yes,1318	};1319	match res {1320		Ok(()) => Ok(post_info),1321		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),1322	}1323}13241325impl<T: Config> From<PropertiesError> for Error<T> {1326	fn from(error: PropertiesError) -> Self {1327		match error {1328			PropertiesError::NoSpaceForProperty => Self::NoSpaceForProperty,1329			PropertiesError::PropertyLimitReached => Self::PropertyLimitReached,1330			PropertiesError::InvalidCharacterInPropertyKey => Self::InvalidCharacterInPropertyKey,1331			PropertiesError::PropertyKeyIsTooLong => Self::PropertyKeyIsTooLong,1332			PropertiesError::EmptyPropertyKey => Self::EmptyPropertyKey,1333		}1334	}1335}