git.delta.rocks / unique-network / refs/commits / 7e808da4a3d9

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, Pallet as PalletEvm};25use evm_coder::ToLog;26use frame_support::{27	dispatch::{DispatchErrorWithPostInfo, DispatchResultWithPostInfo, Weight, PostDispatchInfo},28	ensure,29	traits::{Imbalance, Get, Currency, WithdrawReasons, ExistenceRequirement},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	TokenChild,44	CollectionStats,45	MAX_TOKEN_OWNERSHIP,46	CollectionMode,47	NFT_SPONSOR_TRANSFER_TIMEOUT,48	FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,49	REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,50	MAX_SPONSOR_TIMEOUT,51	CUSTOM_DATA_LIMIT,52	CollectionLimits,53	CreateCollectionData,54	SponsorshipState,55	CreateItemExData,56	SponsoringRateLimit,57	budget::Budget,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::Config222		+ pallet_evm_coder_substrate::Config223		+ pallet_evm::Config224		+ TypeInfo225		+ account::Config226	{227		type WeightInfo: WeightInfo;228		type Event: IsType<<Self as frame_system::Config>::Event> + From<Event<Self>>;229230		type Currency: Currency<Self::AccountId>;231232		#[pallet::constant]233		type CollectionCreationPrice: Get<234			<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,235		>;236		type CollectionDispatch: CollectionDispatch<Self>;237238		type TreasuryAccountId: Get<Self::AccountId>;239		type ContractAddress: Get<H160>;240241		type EvmTokenAddressMapping: TokenAddressMapping<H160>;242		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;243	}244245	const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);246247	#[pallet::pallet]248	#[pallet::storage_version(STORAGE_VERSION)]249	#[pallet::generate_store(pub(super) trait Store)]250	pub struct Pallet<T>(_);251252	#[pallet::extra_constants]253	impl<T: Config> Pallet<T> {254		pub fn collection_admins_limit() -> u32 {255			COLLECTION_ADMINS_LIMIT256		}257	}258259	#[pallet::event]260	#[pallet::generate_deposit(pub fn deposit_event)]261	pub enum Event<T: Config> {262		/// New collection was created263		///264		/// # Arguments265		///266		/// * collection_id: Globally unique identifier of newly created collection.267		///268		/// * mode: [CollectionMode] converted into u8.269		///270		/// * account_id: Collection owner.271		CollectionCreated(CollectionId, u8, T::AccountId),272273		/// New collection was destroyed274		///275		/// # Arguments276		///277		/// * collection_id: Globally unique identifier of collection.278		CollectionDestroyed(CollectionId),279280		/// New item was created.281		///282		/// # Arguments283		///284		/// * collection_id: Id of the collection where item was created.285		///286		/// * item_id: Id of an item. Unique within the collection.287		///288		/// * recipient: Owner of newly created item289		///290		/// * amount: Always 1 for NFT291		ItemCreated(CollectionId, TokenId, T::CrossAccountId, u128),292293		/// Collection item was burned.294		///295		/// # Arguments296		///297		/// * collection_id.298		///299		/// * item_id: Identifier of burned NFT.300		///301		/// * owner: which user has destroyed its tokens302		///303		/// * amount: Always 1 for NFT304		ItemDestroyed(CollectionId, TokenId, T::CrossAccountId, u128),305306		/// Item was transferred307		///308		/// * collection_id: Id of collection to which item is belong309		///310		/// * item_id: Id of an item311		///312		/// * sender: Original owner of item313		///314		/// * recipient: New owner of item315		///316		/// * amount: Always 1 for NFT317		Transfer(318			CollectionId,319			TokenId,320			T::CrossAccountId,321			T::CrossAccountId,322			u128,323		),324325		/// * collection_id326		///327		/// * item_id328		///329		/// * sender330		///331		/// * spender332		///333		/// * amount334		Approved(335			CollectionId,336			TokenId,337			T::CrossAccountId,338			T::CrossAccountId,339			u128,340		),341342		CollectionPropertySet(CollectionId, PropertyKey),343344		CollectionPropertyDeleted(CollectionId, PropertyKey),345346		TokenPropertySet(CollectionId, TokenId, PropertyKey),347348		TokenPropertyDeleted(CollectionId, TokenId, PropertyKey),349350		PropertyPermissionSet(CollectionId, PropertyKey),351	}352353	#[pallet::error]354	pub enum Error<T> {355		/// This collection does not exist.356		CollectionNotFound,357		/// Sender parameter and item owner must be equal.358		MustBeTokenOwner,359		/// No permission to perform action360		NoPermission,361		/// Destroying only empty collections is allowed362		CantDestroyNotEmptyCollection,363		/// Collection is not in mint mode.364		PublicMintingNotAllowed,365		/// Address is not in allow list.366		AddressNotInAllowlist,367368		/// Collection name can not be longer than 63 char.369		CollectionNameLimitExceeded,370		/// Collection description can not be longer than 255 char.371		CollectionDescriptionLimitExceeded,372		/// Token prefix can not be longer than 15 char.373		CollectionTokenPrefixLimitExceeded,374		/// Total collections bound exceeded.375		TotalCollectionsLimitExceeded,376		/// Exceeded max admin count377		CollectionAdminCountExceeded,378		/// Collection limit bounds per collection exceeded379		CollectionLimitBoundsExceeded,380		/// Tried to enable permissions which are only permitted to be disabled381		OwnerPermissionsCantBeReverted,382		/// Collection settings not allowing items transferring383		TransferNotAllowed,384		/// Account token limit exceeded per collection385		AccountTokenLimitExceeded,386		/// Collection token limit exceeded387		CollectionTokenLimitExceeded,388		/// Metadata flag frozen389		MetadataFlagFrozen,390391		/// Item not exists.392		TokenNotFound,393		/// Item balance not enough.394		TokenValueTooLow,395		/// Requested value more than approved.396		ApprovedValueTooLow,397		/// Tried to approve more than owned398		CantApproveMoreThanOwned,399400		/// Can't transfer tokens to ethereum zero address401		AddressIsZero,402		/// Target collection doesn't supports this operation403		UnsupportedOperation,404405		/// Not sufficient founds to perform action406		NotSufficientFounds,407408		/// Collection has nesting disabled409		NestingIsDisabled,410		/// Only owner may nest tokens under this collection411		OnlyOwnerAllowedToNest,412		/// Only tokens from specific collections may nest tokens under this413		SourceCollectionIsNotAllowedToNest,414415		/// Tried to store more data than allowed in collection field416		CollectionFieldSizeExceeded,417418		/// Tried to store more property data than allowed419		NoSpaceForProperty,420421		/// Tried to store more property keys than allowed422		PropertyLimitReached,423424		/// Property key is too long425		PropertyKeyIsTooLong,426427		/// Only ASCII letters, digits, and '_', '-' are allowed428		InvalidCharacterInPropertyKey,429430		/// Empty property keys are forbidden431		EmptyPropertyKey,432	}433434	#[pallet::storage]435	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;436	#[pallet::storage]437	pub type DestroyedCollectionCount<T> =438		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;439440	/// Collection info441	#[pallet::storage]442	pub type CollectionById<T> = StorageMap<443		Hasher = Blake2_128Concat,444		Key = CollectionId,445		Value = Collection<<T as frame_system::Config>::AccountId>,446		QueryKind = OptionQuery,447	>;448449	/// Collection properties450	#[pallet::storage]451	#[pallet::getter(fn collection_properties)]452	pub type CollectionProperties<T> = StorageMap<453		Hasher = Blake2_128Concat,454		Key = CollectionId,455		Value = Properties,456		QueryKind = ValueQuery,457		OnEmpty = up_data_structs::CollectionProperties,458	>;459460	#[pallet::storage]461	#[pallet::getter(fn property_permissions)]462	pub type CollectionPropertyPermissions<T> = StorageMap<463		Hasher = Blake2_128Concat,464		Key = CollectionId,465		Value = PropertiesPermissionMap,466		QueryKind = ValueQuery,467	>;468469	#[pallet::storage]470	pub type AdminAmount<T> = StorageMap<471		Hasher = Blake2_128Concat,472		Key = CollectionId,473		Value = u32,474		QueryKind = ValueQuery,475	>;476477	/// List of collection admins478	#[pallet::storage]479	pub type IsAdmin<T: Config> = StorageNMap<480		Key = (481			Key<Blake2_128Concat, CollectionId>,482			Key<Blake2_128Concat, T::CrossAccountId>,483		),484		Value = bool,485		QueryKind = ValueQuery,486	>;487488	/// Allowlisted collection users489	#[pallet::storage]490	pub type Allowlist<T: Config> = StorageNMap<491		Key = (492			Key<Blake2_128Concat, CollectionId>,493			Key<Blake2_128Concat, T::CrossAccountId>,494		),495		Value = bool,496		QueryKind = ValueQuery,497	>;498499	/// Not used by code, exists only to provide some types to metadata500	#[pallet::storage]501	pub type DummyStorageValue<T: Config> = StorageValue<502		Value = (503			CollectionStats,504			CollectionId,505			TokenId,506			TokenChild,507			PhantomType<(508				TokenData<T::CrossAccountId>,509				RpcCollection<T::AccountId>,510				// RMRK511				RmrkCollectionInfo<T::AccountId>,512				RmrkInstanceInfo<T::AccountId>,513				RmrkResourceInfo,514				RmrkPropertyInfo,515				RmrkBaseInfo<T::AccountId>,516				RmrkPartType,517				RmrkTheme,518				RmrkNftChild,519			)>,520		),521		QueryKind = OptionQuery,522	>;523524	#[pallet::hooks]525	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {526		fn on_runtime_upgrade() -> Weight {527			if StorageVersion::get::<Pallet<T>>() < StorageVersion::new(1) {528				use up_data_structs::{CollectionVersion1, CollectionVersion2};529				<CollectionById<T>>::translate::<CollectionVersion1<T::AccountId>, _>(|id, v| {530					let mut props = Vec::new();531					if !v.offchain_schema.is_empty() {532						props.push(Property {533							key: b"_old_offchainSchema".to_vec().try_into().unwrap(),534							value: v535								.offchain_schema536								.clone()537								.into_inner()538								.try_into()539								.expect("offchain schema too big"),540						});541					}542					if !v.variable_on_chain_schema.is_empty() {543						props.push(Property {544							key: b"_old_variableOnChainSchema".to_vec().try_into().unwrap(),545							value: v546								.variable_on_chain_schema547								.clone()548								.into_inner()549								.try_into()550								.expect("offchain schema too big"),551						});552					}553					if !v.const_on_chain_schema.is_empty() {554						props.push(Property {555							key: b"_old_constOnChainSchema".to_vec().try_into().unwrap(),556							value: v557								.const_on_chain_schema558								.clone()559								.into_inner()560								.try_into()561								.expect("offchain schema too big"),562						});563					}564					props.push(Property {565						key: b"_old_schemaVersion".to_vec().try_into().unwrap(),566						value: match v.schema_version {567							SchemaVersion::ImageURL => b"ImageUrl".as_slice(),568							SchemaVersion::Unique => b"Unique".as_slice(),569						}570						.to_vec()571						.try_into()572						.unwrap(),573					});574					Self::set_scoped_collection_properties(575						id,576						PropertyScope::None,577						props.into_iter(),578					)579					.expect("existing data larger than properties");580					let mut new = CollectionVersion2::from(v.clone());581					new.permissions.access = Some(v.access);582					new.permissions.mint_mode = Some(v.mint_mode);583					Some(new)584				});585			}586587			0588		}589	}590}591592impl<T: Config> Pallet<T> {593	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens594	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {595		ensure!(596			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,597			<Error<T>>::AddressIsZero598		);599		Ok(())600	}601	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {602		<IsAdmin<T>>::iter_prefix((collection,))603			.map(|(a, _)| a)604			.collect()605	}606	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {607		<Allowlist<T>>::iter_prefix((collection,))608			.map(|(a, _)| a)609			.collect()610	}611	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {612		<Allowlist<T>>::get((collection, user))613	}614	pub fn collection_stats() -> CollectionStats {615		let created = <CreatedCollectionCount<T>>::get();616		let destroyed = <DestroyedCollectionCount<T>>::get();617		CollectionStats {618			created: created.0,619			destroyed: destroyed.0,620			alive: created.0 - destroyed.0,621		}622	}623624	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {625		let collection = <CollectionById<T>>::get(collection);626		if collection.is_none() {627			return None;628		}629630		let collection = collection.unwrap();631		let limits = collection.limits;632		let effective_limits = CollectionLimits {633			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),634			sponsored_data_size: Some(limits.sponsored_data_size()),635			sponsored_data_rate_limit: Some(636				limits637					.sponsored_data_rate_limit638					.unwrap_or(SponsoringRateLimit::SponsoringDisabled),639			),640			token_limit: Some(limits.token_limit()),641			sponsor_transfer_timeout: Some(limits.sponsor_transfer_timeout(642				match collection.mode {643					CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,644					CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,645					CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,646				},647			)),648			sponsor_approve_timeout: Some(limits.sponsor_approve_timeout()),649			owner_can_transfer: Some(limits.owner_can_transfer()),650			owner_can_destroy: Some(limits.owner_can_destroy()),651			transfers_enabled: Some(limits.transfers_enabled()),652		};653654		Some(effective_limits)655	}656657	pub fn rpc_collection(collection: CollectionId) -> Option<RpcCollection<T::AccountId>> {658		let Collection {659			name,660			description,661			owner,662			mode,663			token_prefix,664			sponsorship,665			limits,666			permissions,667		} = <CollectionById<T>>::get(collection)?;668669		let token_property_permissions = <CollectionPropertyPermissions<T>>::get(collection)670			.into_iter()671			.map(|(key, permission)| PropertyKeyPermission { key, permission })672			.collect();673674		let properties = <CollectionProperties<T>>::get(collection)675			.into_iter()676			.map(|(key, value)| Property { key, value })677			.collect();678679		let permissions = CollectionPermissions {680			access: Some(permissions.access()),681			mint_mode: Some(permissions.mint_mode()),682			nesting: Some(permissions.nesting().clone()),683		};684685		Some(RpcCollection {686			name: name.into_inner(),687			description: description.into_inner(),688			owner,689			mode,690			token_prefix: token_prefix.into_inner(),691			sponsorship,692			limits,693			permissions,694			token_property_permissions,695			properties,696		})697	}698}699700macro_rules! limit_default {701	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{702		$(703			if let Some($new) = $new.$field {704				let $old = $old.$field($($arg)?);705				let _ = $new;706				let _ = $old;707				$check708			} else {709				$new.$field = $old.$field710			}711		)*712	}};713}714macro_rules! limit_default_clone {715	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{716		$(717			if let Some($new) = $new.$field.clone() {718				let $old = $old.$field($($arg)?);719				let _ = $new;720				let _ = $old;721				$check722			} else {723				$new.$field = $old.$field.clone()724			}725		)*726	}};727}728729impl<T: Config> Pallet<T> {730	pub fn init_collection(731		owner: T::CrossAccountId,732		data: CreateCollectionData<T::AccountId>,733	) -> Result<CollectionId, DispatchError> {734		{735			ensure!(736				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,737				Error::<T>::CollectionTokenPrefixLimitExceeded738			);739		}740741		let created_count = <CreatedCollectionCount<T>>::get()742			.0743			.checked_add(1)744			.ok_or(ArithmeticError::Overflow)?;745		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;746		let id = CollectionId(created_count);747748		// bound Total number of collections749		ensure!(750			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,751			<Error<T>>::TotalCollectionsLimitExceeded752		);753754		// =========755756		let collection = Collection {757			owner: owner.as_sub().clone(),758			name: data.name,759			mode: data.mode.clone(),760			description: data.description,761			token_prefix: data.token_prefix,762			sponsorship: data763				.pending_sponsor764				.map(SponsorshipState::Unconfirmed)765				.unwrap_or_default(),766			limits: data767				.limits768				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))769				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,770			permissions: data771				.permissions772				.map(|permissions| {773					Self::clamp_permissions(data.mode.clone(), &Default::default(), permissions)774				})775				.unwrap_or_else(|| Ok(CollectionPermissions::default()))?,776		};777778		let mut collection_properties = up_data_structs::CollectionProperties::get();779		collection_properties780			.try_set_from_iter(data.properties.into_iter())781			.map_err(<Error<T>>::from)?;782783		CollectionProperties::<T>::insert(id, collection_properties);784785		let mut token_props_permissions = PropertiesPermissionMap::new();786		token_props_permissions787			.try_set_from_iter(data.token_property_permissions.into_iter())788			.map_err(<Error<T>>::from)?;789790		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);791792		// Take a (non-refundable) deposit of collection creation793		{794			let mut imbalance =795				<<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();796			imbalance.subsume(797				<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(798					&T::TreasuryAccountId::get(),799					T::CollectionCreationPrice::get(),800				),801			);802			<T as Config>::Currency::settle(803				&owner.as_sub(),804				imbalance,805				WithdrawReasons::TRANSFER,806				ExistenceRequirement::KeepAlive,807			)808			.map_err(|_| Error::<T>::NotSufficientFounds)?;809		}810811		<CreatedCollectionCount<T>>::put(created_count);812		<Pallet<T>>::deposit_event(Event::CollectionCreated(813			id,814			data.mode.id(),815			owner.as_sub().clone(),816		));817		<PalletEvm<T>>::deposit_log(818			erc::CollectionHelpersEvents::CollectionCreated {819				owner: *owner.as_eth(),820				collection_id: eth::collection_id_to_address(id),821			}822			.to_log(T::ContractAddress::get()),823		);824		<CollectionById<T>>::insert(id, collection);825		Ok(id)826	}827828	pub fn destroy_collection(829		collection: CollectionHandle<T>,830		sender: &T::CrossAccountId,831	) -> DispatchResult {832		ensure!(833			collection.limits.owner_can_destroy(),834			<Error<T>>::NoPermission,835		);836		collection.check_is_owner(sender)?;837838		let destroyed_collections = <DestroyedCollectionCount<T>>::get()839			.0840			.checked_add(1)841			.ok_or(ArithmeticError::Overflow)?;842843		// =========844845		<DestroyedCollectionCount<T>>::put(destroyed_collections);846		<CollectionById<T>>::remove(collection.id);847		<AdminAmount<T>>::remove(collection.id);848		<IsAdmin<T>>::remove_prefix((collection.id,), None);849		<Allowlist<T>>::remove_prefix((collection.id,), None);850		<CollectionProperties<T>>::remove(collection.id);851852		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));853		Ok(())854	}855856	pub fn set_collection_property(857		collection: &CollectionHandle<T>,858		sender: &T::CrossAccountId,859		property: Property,860	) -> DispatchResult {861		collection.check_is_owner_or_admin(sender)?;862863		CollectionProperties::<T>::try_mutate(collection.id, |properties| {864			let property = property.clone();865			properties.try_set(property.key, property.value)866		})867		.map_err(<Error<T>>::from)?;868869		Self::deposit_event(Event::CollectionPropertySet(collection.id, property.key));870871		Ok(())872	}873874	pub fn set_scoped_collection_property(875		collection_id: CollectionId,876		scope: PropertyScope,877		property: Property,878	) -> DispatchResult {879		CollectionProperties::<T>::try_mutate(collection_id, |properties| {880			properties.try_scoped_set(scope, property.key, property.value)881		})882		.map_err(<Error<T>>::from)?;883884		Ok(())885	}886887	pub fn set_scoped_collection_properties(888		collection_id: CollectionId,889		scope: PropertyScope,890		properties: impl Iterator<Item = Property>,891	) -> DispatchResult {892		CollectionProperties::<T>::try_mutate(collection_id, |stored_properties| {893			stored_properties.try_scoped_set_from_iter(scope, properties)894		})895		.map_err(<Error<T>>::from)?;896897		Ok(())898	}899900	#[transactional]901	pub fn set_collection_properties(902		collection: &CollectionHandle<T>,903		sender: &T::CrossAccountId,904		properties: Vec<Property>,905	) -> DispatchResult {906		for property in properties {907			Self::set_collection_property(collection, sender, property)?;908		}909910		Ok(())911	}912913	pub fn delete_collection_property(914		collection: &CollectionHandle<T>,915		sender: &T::CrossAccountId,916		property_key: PropertyKey,917	) -> DispatchResult {918		collection.check_is_owner_or_admin(sender)?;919920		CollectionProperties::<T>::try_mutate(collection.id, |properties| {921			properties.remove(&property_key)922		})923		.map_err(<Error<T>>::from)?;924925		Self::deposit_event(Event::CollectionPropertyDeleted(926			collection.id,927			property_key,928		));929930		Ok(())931	}932933	#[transactional]934	pub fn delete_collection_properties(935		collection: &CollectionHandle<T>,936		sender: &T::CrossAccountId,937		property_keys: Vec<PropertyKey>,938	) -> DispatchResult {939		for key in property_keys {940			Self::delete_collection_property(collection, sender, key)?;941		}942943		Ok(())944	}945946	// For migrations947	pub fn set_property_permission_unchecked(948		collection: CollectionId,949		property_permission: PropertyKeyPermission,950	) -> DispatchResult {951		<CollectionPropertyPermissions<T>>::try_mutate(collection, |permissions| {952			permissions.try_set(property_permission.key, property_permission.permission)953		})954		.map_err(<Error<T>>::from)?;955		Ok(())956	}957958	pub fn set_property_permission(959		collection: &CollectionHandle<T>,960		sender: &T::CrossAccountId,961		property_permission: PropertyKeyPermission,962	) -> DispatchResult {963		collection.check_is_owner_or_admin(sender)?;964965		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);966		let current_permission = all_permissions.get(&property_permission.key);967		if matches![968			current_permission,969			Some(PropertyPermission { mutable: false, .. })970		] {971			return Err(<Error<T>>::NoPermission.into());972		}973974		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {975			let property_permission = property_permission.clone();976			permissions.try_set(property_permission.key, property_permission.permission)977		})978		.map_err(<Error<T>>::from)?;979980		Self::deposit_event(Event::PropertyPermissionSet(981			collection.id,982			property_permission.key,983		));984985		Ok(())986	}987988	#[transactional]989	pub fn set_property_permissions(990		collection: &CollectionHandle<T>,991		sender: &T::CrossAccountId,992		property_permissions: Vec<PropertyKeyPermission>,993	) -> DispatchResult {994		for prop_pemission in property_permissions {995			Self::set_property_permission(collection, sender, prop_pemission)?;996		}997998		Ok(())999	}10001001	pub fn get_collection_property(1002		collection_id: CollectionId,1003		key: &PropertyKey,1004	) -> Option<PropertyValue> {1005		Self::collection_properties(collection_id).get(key).cloned()1006	}10071008	pub fn bytes_keys_to_property_keys(1009		keys: Vec<Vec<u8>>,1010	) -> Result<Vec<PropertyKey>, DispatchError> {1011		keys.into_iter()1012			.map(|key| -> Result<PropertyKey, DispatchError> {1013				key.try_into()1014					.map_err(|_| <Error<T>>::PropertyKeyIsTooLong.into())1015			})1016			.collect::<Result<Vec<PropertyKey>, DispatchError>>()1017	}10181019	pub fn filter_collection_properties(1020		collection_id: CollectionId,1021		keys: Option<Vec<PropertyKey>>,1022	) -> Result<Vec<Property>, DispatchError> {1023		let properties = Self::collection_properties(collection_id);10241025		let properties = keys1026			.map(|keys| {1027				keys.into_iter()1028					.filter_map(|key| {1029						properties.get(&key).map(|value| Property {1030							key,1031							value: value.clone(),1032						})1033					})1034					.collect()1035			})1036			.unwrap_or_else(|| {1037				properties1038					.into_iter()1039					.map(|(key, value)| Property { key, value })1040					.collect()1041			});10421043		Ok(properties)1044	}10451046	pub fn filter_property_permissions(1047		collection_id: CollectionId,1048		keys: Option<Vec<PropertyKey>>,1049	) -> Result<Vec<PropertyKeyPermission>, DispatchError> {1050		let permissions = Self::property_permissions(collection_id);10511052		let key_permissions = keys1053			.map(|keys| {1054				keys.into_iter()1055					.filter_map(|key| {1056						permissions1057							.get(&key)1058							.map(|permission| PropertyKeyPermission {1059								key,1060								permission: permission.clone(),1061							})1062					})1063					.collect()1064			})1065			.unwrap_or_else(|| {1066				permissions1067					.into_iter()1068					.map(|(key, permission)| PropertyKeyPermission { key, permission })1069					.collect()1070			});10711072		Ok(key_permissions)1073	}10741075	pub fn toggle_allowlist(1076		collection: &CollectionHandle<T>,1077		sender: &T::CrossAccountId,1078		user: &T::CrossAccountId,1079		allowed: bool,1080	) -> DispatchResult {1081		collection.check_is_owner_or_admin(sender)?;10821083		// =========10841085		if allowed {1086			<Allowlist<T>>::insert((collection.id, user), true);1087		} else {1088			<Allowlist<T>>::remove((collection.id, user));1089		}10901091		Ok(())1092	}10931094	pub fn toggle_admin(1095		collection: &CollectionHandle<T>,1096		sender: &T::CrossAccountId,1097		user: &T::CrossAccountId,1098		admin: bool,1099	) -> DispatchResult {1100		collection.check_is_owner_or_admin(sender)?;11011102		let was_admin = <IsAdmin<T>>::get((collection.id, user));1103		if was_admin == admin {1104			return Ok(());1105		}1106		let amount = <AdminAmount<T>>::get(collection.id);11071108		if admin {1109			let amount = amount1110				.checked_add(1)1111				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;1112			ensure!(1113				amount <= Self::collection_admins_limit(),1114				<Error<T>>::CollectionAdminCountExceeded,1115			);11161117			// =========11181119			<AdminAmount<T>>::insert(collection.id, amount);1120			<IsAdmin<T>>::insert((collection.id, user), true);1121		} else {1122			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));1123			<IsAdmin<T>>::remove((collection.id, user));1124		}11251126		Ok(())1127	}11281129	pub fn clamp_limits(1130		mode: CollectionMode,1131		old_limit: &CollectionLimits,1132		mut new_limit: CollectionLimits,1133	) -> Result<CollectionLimits, DispatchError> {1134		limit_default!(old_limit, new_limit,1135			account_token_ownership_limit => ensure!(1136				new_limit <= MAX_TOKEN_OWNERSHIP,1137				<Error<T>>::CollectionLimitBoundsExceeded,1138			),1139			sponsored_data_size => ensure!(1140				new_limit <= CUSTOM_DATA_LIMIT,1141				<Error<T>>::CollectionLimitBoundsExceeded,1142			),11431144			sponsored_data_rate_limit => {},1145			token_limit => ensure!(1146				old_limit >= new_limit && new_limit > 0,1147				<Error<T>>::CollectionTokenLimitExceeded1148			),11491150			sponsor_transfer_timeout(match mode {1151				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,1152				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1153				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1154			}) => ensure!(1155				new_limit <= MAX_SPONSOR_TIMEOUT,1156				<Error<T>>::CollectionLimitBoundsExceeded,1157			),1158			sponsor_approve_timeout => {},1159			owner_can_transfer => ensure!(1160				old_limit || !new_limit,1161				<Error<T>>::OwnerPermissionsCantBeReverted,1162			),1163			owner_can_destroy => ensure!(1164				old_limit || !new_limit,1165				<Error<T>>::OwnerPermissionsCantBeReverted,1166			),1167			transfers_enabled => {},1168		);1169		Ok(new_limit)1170	}11711172	pub fn clamp_permissions(1173		_mode: CollectionMode,1174		old_limit: &CollectionPermissions,1175		mut new_limit: CollectionPermissions,1176	) -> Result<CollectionPermissions, DispatchError> {1177		limit_default_clone!(old_limit, new_limit,1178			access => {},1179			mint_mode => {},1180			nesting => {},1181		);1182		Ok(new_limit)1183	}1184}11851186#[macro_export]1187macro_rules! unsupported {1188	() => {1189		Err(<Error<T>>::UnsupportedOperation.into())1190	};1191}11921193/// Worst cases1194pub trait CommonWeightInfo<CrossAccountId> {1195	fn create_item() -> Weight;1196	fn create_multiple_items(amount: &[CreateItemData]) -> Weight;1197	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;1198	fn burn_item() -> Weight;1199	fn set_collection_properties(amount: u32) -> Weight;1200	fn delete_collection_properties(amount: u32) -> Weight;1201	fn set_token_properties(amount: u32) -> Weight;1202	fn delete_token_properties(amount: u32) -> Weight;1203	fn set_property_permissions(amount: u32) -> Weight;1204	fn transfer() -> Weight;1205	fn approve() -> Weight;1206	fn transfer_from() -> Weight;1207	fn burn_from() -> Weight;12081209	/// Differs from burn_item in case of Fungible and Refungible, as it should burn1210	/// whole users's balance1211	///1212	/// This method shouldn't be used directly, as it doesn't count breadth price, use `burn_recursively` instead1213	fn burn_recursively_self_raw() -> Weight;1214	/// Cost of iterating over `amount` children while burning, without counting child burning itself1215	///1216	/// This method shouldn't be used directly, as it doesn't count depth price, use `burn_recursively` instead1217	fn burn_recursively_breadth_raw(amount: u32) -> Weight;12181219	fn burn_recursively(max_selfs: u32, max_breadth: u32) -> Weight {1220		Self::burn_recursively_self_raw()1221			.saturating_mul(max_selfs.max(1) as u64)1222			.saturating_add(Self::burn_recursively_breadth_raw(max_breadth))1223	}1224}12251226pub trait CommonCollectionOperations<T: Config> {1227	fn create_item(1228		&self,1229		sender: T::CrossAccountId,1230		to: T::CrossAccountId,1231		data: CreateItemData,1232		nesting_budget: &dyn Budget,1233	) -> DispatchResultWithPostInfo;1234	fn create_multiple_items(1235		&self,1236		sender: T::CrossAccountId,1237		to: T::CrossAccountId,1238		data: Vec<CreateItemData>,1239		nesting_budget: &dyn Budget,1240	) -> DispatchResultWithPostInfo;1241	fn create_multiple_items_ex(1242		&self,1243		sender: T::CrossAccountId,1244		data: CreateItemExData<T::CrossAccountId>,1245		nesting_budget: &dyn Budget,1246	) -> DispatchResultWithPostInfo;1247	fn burn_item(1248		&self,1249		sender: T::CrossAccountId,1250		token: TokenId,1251		amount: u128,1252	) -> DispatchResultWithPostInfo;1253	fn burn_item_recursively(1254		&self,1255		sender: T::CrossAccountId,1256		token: TokenId,1257		self_budget: &dyn Budget,1258		breadth_budget: &dyn Budget,1259	) -> DispatchResultWithPostInfo;1260	fn set_collection_properties(1261		&self,1262		sender: T::CrossAccountId,1263		properties: Vec<Property>,1264	) -> DispatchResultWithPostInfo;1265	fn delete_collection_properties(1266		&self,1267		sender: &T::CrossAccountId,1268		property_keys: Vec<PropertyKey>,1269	) -> DispatchResultWithPostInfo;1270	fn set_token_properties(1271		&self,1272		sender: T::CrossAccountId,1273		token_id: TokenId,1274		property: Vec<Property>,1275	) -> DispatchResultWithPostInfo;1276	fn delete_token_properties(1277		&self,1278		sender: T::CrossAccountId,1279		token_id: TokenId,1280		property_keys: Vec<PropertyKey>,1281	) -> DispatchResultWithPostInfo;1282	fn set_property_permissions(1283		&self,1284		sender: &T::CrossAccountId,1285		property_permissions: Vec<PropertyKeyPermission>,1286	) -> DispatchResultWithPostInfo;1287	fn transfer(1288		&self,1289		sender: T::CrossAccountId,1290		to: T::CrossAccountId,1291		token: TokenId,1292		amount: u128,1293		nesting_budget: &dyn Budget,1294	) -> DispatchResultWithPostInfo;1295	fn approve(1296		&self,1297		sender: T::CrossAccountId,1298		spender: T::CrossAccountId,1299		token: TokenId,1300		amount: u128,1301		nesting_budget: &dyn Budget,1302	) -> DispatchResultWithPostInfo;1303	fn transfer_from(1304		&self,1305		sender: T::CrossAccountId,1306		from: T::CrossAccountId,1307		to: T::CrossAccountId,1308		token: TokenId,1309		amount: u128,1310		nesting_budget: &dyn Budget,1311	) -> DispatchResultWithPostInfo;1312	fn burn_from(1313		&self,1314		sender: T::CrossAccountId,1315		from: T::CrossAccountId,1316		token: TokenId,1317		amount: u128,1318		nesting_budget: &dyn Budget,1319	) -> DispatchResultWithPostInfo;13201321	fn check_nesting(1322		&self,1323		sender: T::CrossAccountId,1324		from: (CollectionId, TokenId),1325		under: TokenId,1326		budget: &dyn Budget,1327	) -> DispatchResult;13281329	fn nest(&self, under: TokenId, to_nest: (CollectionId, TokenId));13301331	fn unnest(&self, under: TokenId, to_nest: (CollectionId, TokenId));13321333	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;1334	fn collection_tokens(&self) -> Vec<TokenId>;1335	fn token_exists(&self, token: TokenId) -> bool;1336	fn last_token_id(&self) -> TokenId;13371338	fn token_owner(&self, token: TokenId) -> Option<T::CrossAccountId>;1339	fn token_property(&self, token_id: TokenId, key: &PropertyKey) -> Option<PropertyValue>;1340	fn token_properties(&self, token_id: TokenId, keys: Option<Vec<PropertyKey>>) -> Vec<Property>;1341	/// Amount of unique collection tokens1342	fn total_supply(&self) -> u32;1343	/// Amount of different tokens account has (Applicable to nonfungible/refungible)1344	fn account_balance(&self, account: T::CrossAccountId) -> u32;1345	/// Amount of specific token account have (Applicable to fungible/refungible)1346	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;1347	fn allowance(1348		&self,1349		sender: T::CrossAccountId,1350		spender: T::CrossAccountId,1351		token: TokenId,1352	) -> u128;1353}13541355// Flexible enough for implementing CommonCollectionOperations1356pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {1357	let post_info = PostDispatchInfo {1358		actual_weight: Some(weight),1359		pays_fee: Pays::Yes,1360	};1361	match res {1362		Ok(()) => Ok(post_info),1363		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),1364	}1365}13661367impl<T: Config> From<PropertiesError> for Error<T> {1368	fn from(error: PropertiesError) -> Self {1369		match error {1370			PropertiesError::NoSpaceForProperty => Self::NoSpaceForProperty,1371			PropertiesError::PropertyLimitReached => Self::PropertyLimitReached,1372			PropertiesError::InvalidCharacterInPropertyKey => Self::InvalidCharacterInPropertyKey,1373			PropertiesError::PropertyKeyIsTooLong => Self::PropertyKeyIsTooLong,1374			PropertiesError::EmptyPropertyKey => Self::EmptyPropertyKey,1375		}1376	}1377}