git.delta.rocks / unique-network / refs/commits / f60664c6c9f6

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	}129130	pub fn try_get(id: CollectionId) -> Result<Self, DispatchError> {131		Ok(Self::new(id).ok_or(<Error<T>>::CollectionNotFound)?)132	}133134	pub fn consume_store_reads(&self, reads: u64) -> evm_coder::execution::Result<()> {135		self.recorder136			.consume_gas(T::GasWeightMapping::weight_to_gas(137				<T as frame_system::Config>::DbWeight::get()138					.read139					.saturating_mul(reads),140			))141	}142143	pub fn consume_store_writes(&self, writes: u64) -> evm_coder::execution::Result<()> {144		self.recorder145			.consume_gas(T::GasWeightMapping::weight_to_gas(146				<T as frame_system::Config>::DbWeight::get()147					.write148					.saturating_mul(writes),149			))150	}151	pub fn save(self) -> DispatchResult {152		<CollectionById<T>>::insert(self.id, self.collection);153		Ok(())154	}155156	pub fn set_sponsor(&mut self, sponsor: T::AccountId) -> DispatchResult {157		self.collection.sponsorship = SponsorshipState::Unconfirmed(sponsor);158		Ok(())159	}160161	pub fn confirm_sponsorship(&mut self, sender: &T::AccountId) -> Result<bool, DispatchError> {162		if self.collection.sponsorship.pending_sponsor() != Some(sender) {163			return Ok(false);164		}165166		self.collection.sponsorship = SponsorshipState::Confirmed(sender.clone());167		Ok(true)168	}169170	/// Checks that the collection was created with, and must be operated upon through **Unique API**.171	/// Now check only the `external_collection` flag and if it's **true**, then return `CollectionIsExternal` error.172	pub fn check_is_internal(&self) -> DispatchResult {173		if self.external_collection {174			return Err(<Error<T>>::CollectionIsExternal)?;175		}176177		Ok(())178	}179180	/// Checks that the collection was created with, and must be operated upon through an **assimilated API**.181	/// Now check only the `external_collection` flag and if it's **false**, then return `CollectionIsInternal` error.182	pub fn check_is_external(&self) -> DispatchResult {183		if !self.external_collection {184			return Err(<Error<T>>::CollectionIsInternal)?;185		}186187		Ok(())188	}189}190191impl<T: Config> Deref for CollectionHandle<T> {192	type Target = Collection<T::AccountId>;193194	fn deref(&self) -> &Self::Target {195		&self.collection196	}197}198199impl<T: Config> DerefMut for CollectionHandle<T> {200	fn deref_mut(&mut self) -> &mut Self::Target {201		&mut self.collection202	}203}204205impl<T: Config> CollectionHandle<T> {206	pub fn check_is_owner(&self, subject: &T::CrossAccountId) -> DispatchResult {207		ensure!(*subject.as_sub() == self.owner, <Error<T>>::NoPermission);208		Ok(())209	}210	pub fn is_owner_or_admin(&self, subject: &T::CrossAccountId) -> bool {211		*subject.as_sub() == self.owner || <IsAdmin<T>>::get((self.id, subject))212	}213	pub fn check_is_owner_or_admin(&self, subject: &T::CrossAccountId) -> DispatchResult {214		ensure!(self.is_owner_or_admin(subject), <Error<T>>::NoPermission);215		Ok(())216	}217	pub fn ignores_allowance(&self, user: &T::CrossAccountId) -> bool {218		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)219	}220	pub fn ignores_owned_amount(&self, user: &T::CrossAccountId) -> bool {221		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)222	}223	pub fn check_allowlist(&self, user: &T::CrossAccountId) -> DispatchResult {224		ensure!(225			<Allowlist<T>>::get((self.id, user)),226			<Error<T>>::AddressNotInAllowlist227		);228		Ok(())229	}230}231232#[frame_support::pallet]233pub mod pallet {234	use super::*;235	use pallet_evm::account;236	use dispatch::CollectionDispatch;237	use frame_support::{Blake2_128Concat, pallet_prelude::*, storage::Key, traits::StorageVersion};238	use frame_system::pallet_prelude::*;239	use frame_support::traits::Currency;240	use up_data_structs::{TokenId, mapping::TokenAddressMapping};241	use scale_info::TypeInfo;242	use weights::WeightInfo;243244	#[pallet::config]245	pub trait Config:246		frame_system::Config247		+ pallet_evm_coder_substrate::Config248		+ pallet_evm::Config249		+ TypeInfo250		+ account::Config251	{252		type WeightInfo: WeightInfo;253		type Event: IsType<<Self as frame_system::Config>::Event> + From<Event<Self>>;254255		type Currency: Currency<Self::AccountId>;256257		#[pallet::constant]258		type CollectionCreationPrice: Get<259			<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,260		>;261		type CollectionDispatch: CollectionDispatch<Self>;262263		type TreasuryAccountId: Get<Self::AccountId>;264		type ContractAddress: Get<H160>;265266		type EvmTokenAddressMapping: TokenAddressMapping<H160>;267		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;268	}269270	const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);271272	#[pallet::pallet]273	#[pallet::storage_version(STORAGE_VERSION)]274	#[pallet::generate_store(pub(super) trait Store)]275	pub struct Pallet<T>(_);276277	#[pallet::extra_constants]278	impl<T: Config> Pallet<T> {279		pub fn collection_admins_limit() -> u32 {280			COLLECTION_ADMINS_LIMIT281		}282	}283284	#[pallet::event]285	#[pallet::generate_deposit(pub fn deposit_event)]286	pub enum Event<T: Config> {287		/// New collection was created288		///289		/// # Arguments290		///291		/// * collection_id: Globally unique identifier of newly created collection.292		///293		/// * mode: [CollectionMode] converted into u8.294		///295		/// * account_id: Collection owner.296		CollectionCreated(CollectionId, u8, T::AccountId),297298		/// New collection was destroyed299		///300		/// # Arguments301		///302		/// * collection_id: Globally unique identifier of collection.303		CollectionDestroyed(CollectionId),304305		/// New item was created.306		///307		/// # Arguments308		///309		/// * collection_id: Id of the collection where item was created.310		///311		/// * item_id: Id of an item. Unique within the collection.312		///313		/// * recipient: Owner of newly created item314		///315		/// * amount: Always 1 for NFT316		ItemCreated(CollectionId, TokenId, T::CrossAccountId, u128),317318		/// Collection item was burned.319		///320		/// # Arguments321		///322		/// * collection_id.323		///324		/// * item_id: Identifier of burned NFT.325		///326		/// * owner: which user has destroyed its tokens327		///328		/// * amount: Always 1 for NFT329		ItemDestroyed(CollectionId, TokenId, T::CrossAccountId, u128),330331		/// Item was transferred332		///333		/// * collection_id: Id of collection to which item is belong334		///335		/// * item_id: Id of an item336		///337		/// * sender: Original owner of item338		///339		/// * recipient: New owner of item340		///341		/// * amount: Always 1 for NFT342		Transfer(343			CollectionId,344			TokenId,345			T::CrossAccountId,346			T::CrossAccountId,347			u128,348		),349350		/// * collection_id351		///352		/// * item_id353		///354		/// * sender355		///356		/// * spender357		///358		/// * amount359		Approved(360			CollectionId,361			TokenId,362			T::CrossAccountId,363			T::CrossAccountId,364			u128,365		),366367		CollectionPropertySet(CollectionId, PropertyKey),368369		CollectionPropertyDeleted(CollectionId, PropertyKey),370371		TokenPropertySet(CollectionId, TokenId, PropertyKey),372373		TokenPropertyDeleted(CollectionId, TokenId, PropertyKey),374375		PropertyPermissionSet(CollectionId, PropertyKey),376	}377378	#[pallet::error]379	pub enum Error<T> {380		/// This collection does not exist.381		CollectionNotFound,382		/// Sender parameter and item owner must be equal.383		MustBeTokenOwner,384		/// No permission to perform action385		NoPermission,386		/// Destroying only empty collections is allowed387		CantDestroyNotEmptyCollection,388		/// Collection is not in mint mode.389		PublicMintingNotAllowed,390		/// Address is not in allow list.391		AddressNotInAllowlist,392393		/// Collection name can not be longer than 63 char.394		CollectionNameLimitExceeded,395		/// Collection description can not be longer than 255 char.396		CollectionDescriptionLimitExceeded,397		/// Token prefix can not be longer than 15 char.398		CollectionTokenPrefixLimitExceeded,399		/// Total collections bound exceeded.400		TotalCollectionsLimitExceeded,401		/// Exceeded max admin count402		CollectionAdminCountExceeded,403		/// Collection limit bounds per collection exceeded404		CollectionLimitBoundsExceeded,405		/// Tried to enable permissions which are only permitted to be disabled406		OwnerPermissionsCantBeReverted,407		/// Collection settings not allowing items transferring408		TransferNotAllowed,409		/// Account token limit exceeded per collection410		AccountTokenLimitExceeded,411		/// Collection token limit exceeded412		CollectionTokenLimitExceeded,413		/// Metadata flag frozen414		MetadataFlagFrozen,415416		/// Item not exists.417		TokenNotFound,418		/// Item balance not enough.419		TokenValueTooLow,420		/// Requested value more than approved.421		ApprovedValueTooLow,422		/// Tried to approve more than owned423		CantApproveMoreThanOwned,424425		/// Can't transfer tokens to ethereum zero address426		AddressIsZero,427		/// Target collection doesn't supports this operation428		UnsupportedOperation,429430		/// Not sufficient funds to perform action431		NotSufficientFounds,432433		/// User not passed nesting rule434		UserIsNotAllowedToNest,435		/// Only tokens from specific collections may nest tokens under this436		SourceCollectionIsNotAllowedToNest,437438		/// Tried to store more data than allowed in collection field439		CollectionFieldSizeExceeded,440441		/// Tried to store more property data than allowed442		NoSpaceForProperty,443444		/// Tried to store more property keys than allowed445		PropertyLimitReached,446447		/// Property key is too long448		PropertyKeyIsTooLong,449450		/// Only ASCII letters, digits, and '_', '-' are allowed451		InvalidCharacterInPropertyKey,452453		/// Empty property keys are forbidden454		EmptyPropertyKey,455456		/// Tried to access an external collection with an internal API457		CollectionIsExternal,458459		/// Tried to access an internal collection with an external API460		CollectionIsInternal,461	}462463	#[pallet::storage]464	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;465	#[pallet::storage]466	pub type DestroyedCollectionCount<T> =467		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;468469	/// Collection info470	#[pallet::storage]471	pub type CollectionById<T> = StorageMap<472		Hasher = Blake2_128Concat,473		Key = CollectionId,474		Value = Collection<<T as frame_system::Config>::AccountId>,475		QueryKind = OptionQuery,476	>;477478	/// Collection properties479	#[pallet::storage]480	#[pallet::getter(fn collection_properties)]481	pub type CollectionProperties<T> = StorageMap<482		Hasher = Blake2_128Concat,483		Key = CollectionId,484		Value = Properties,485		QueryKind = ValueQuery,486		OnEmpty = up_data_structs::CollectionProperties,487	>;488489	#[pallet::storage]490	#[pallet::getter(fn property_permissions)]491	pub type CollectionPropertyPermissions<T> = StorageMap<492		Hasher = Blake2_128Concat,493		Key = CollectionId,494		Value = PropertiesPermissionMap,495		QueryKind = ValueQuery,496	>;497498	#[pallet::storage]499	pub type AdminAmount<T> = StorageMap<500		Hasher = Blake2_128Concat,501		Key = CollectionId,502		Value = u32,503		QueryKind = ValueQuery,504	>;505506	/// List of collection admins507	#[pallet::storage]508	pub type IsAdmin<T: Config> = StorageNMap<509		Key = (510			Key<Blake2_128Concat, CollectionId>,511			Key<Blake2_128Concat, T::CrossAccountId>,512		),513		Value = bool,514		QueryKind = ValueQuery,515	>;516517	/// Allowlisted collection users518	#[pallet::storage]519	pub type Allowlist<T: Config> = StorageNMap<520		Key = (521			Key<Blake2_128Concat, CollectionId>,522			Key<Blake2_128Concat, T::CrossAccountId>,523		),524		Value = bool,525		QueryKind = ValueQuery,526	>;527528	/// Not used by code, exists only to provide some types to metadata529	#[pallet::storage]530	pub type DummyStorageValue<T: Config> = StorageValue<531		Value = (532			CollectionStats,533			CollectionId,534			TokenId,535			TokenChild,536			PhantomType<(537				TokenData<T::CrossAccountId>,538				RpcCollection<T::AccountId>,539				// RMRK540				RmrkCollectionInfo<T::AccountId>,541				RmrkInstanceInfo<T::AccountId>,542				RmrkResourceInfo,543				RmrkPropertyInfo,544				RmrkBaseInfo<T::AccountId>,545				RmrkPartType,546				RmrkTheme,547				RmrkNftChild,548			)>,549		),550		QueryKind = OptionQuery,551	>;552553	#[pallet::hooks]554	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {555		fn on_runtime_upgrade() -> Weight {556			if StorageVersion::get::<Pallet<T>>() < StorageVersion::new(1) {557				use up_data_structs::{CollectionVersion1, CollectionVersion2};558				<CollectionById<T>>::translate::<CollectionVersion1<T::AccountId>, _>(|id, v| {559					let mut props = Vec::new();560					if !v.offchain_schema.is_empty() {561						props.push(Property {562							key: b"_old_offchainSchema".to_vec().try_into().unwrap(),563							value: v564								.offchain_schema565								.clone()566								.into_inner()567								.try_into()568								.expect("offchain schema too big"),569						});570					}571					if !v.variable_on_chain_schema.is_empty() {572						props.push(Property {573							key: b"_old_variableOnChainSchema".to_vec().try_into().unwrap(),574							value: v575								.variable_on_chain_schema576								.clone()577								.into_inner()578								.try_into()579								.expect("offchain schema too big"),580						});581					}582					if !v.const_on_chain_schema.is_empty() {583						props.push(Property {584							key: b"_old_constOnChainSchema".to_vec().try_into().unwrap(),585							value: v586								.const_on_chain_schema587								.clone()588								.into_inner()589								.try_into()590								.expect("offchain schema too big"),591						});592					}593					props.push(Property {594						key: b"_old_schemaVersion".to_vec().try_into().unwrap(),595						value: match v.schema_version {596							SchemaVersion::ImageURL => b"ImageUrl".as_slice(),597							SchemaVersion::Unique => b"Unique".as_slice(),598						}599						.to_vec()600						.try_into()601						.unwrap(),602					});603					Self::set_scoped_collection_properties(604						id,605						PropertyScope::None,606						props.into_iter(),607					)608					.expect("existing data larger than properties");609					let mut new = CollectionVersion2::from(v.clone());610					new.permissions.access = Some(v.access);611					new.permissions.mint_mode = Some(v.mint_mode);612					Some(new)613				});614			}615616			0617		}618	}619}620621impl<T: Config> Pallet<T> {622	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens623	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {624		ensure!(625			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,626			<Error<T>>::AddressIsZero627		);628		Ok(())629	}630	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {631		<IsAdmin<T>>::iter_prefix((collection,))632			.map(|(a, _)| a)633			.collect()634	}635	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {636		<Allowlist<T>>::iter_prefix((collection,))637			.map(|(a, _)| a)638			.collect()639	}640	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {641		<Allowlist<T>>::get((collection, user))642	}643	pub fn collection_stats() -> CollectionStats {644		let created = <CreatedCollectionCount<T>>::get();645		let destroyed = <DestroyedCollectionCount<T>>::get();646		CollectionStats {647			created: created.0,648			destroyed: destroyed.0,649			alive: created.0 - destroyed.0,650		}651	}652653	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {654		let collection = <CollectionById<T>>::get(collection);655		if collection.is_none() {656			return None;657		}658659		let collection = collection.unwrap();660		let limits = collection.limits;661		let effective_limits = CollectionLimits {662			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),663			sponsored_data_size: Some(limits.sponsored_data_size()),664			sponsored_data_rate_limit: Some(665				limits666					.sponsored_data_rate_limit667					.unwrap_or(SponsoringRateLimit::SponsoringDisabled),668			),669			token_limit: Some(limits.token_limit()),670			sponsor_transfer_timeout: Some(limits.sponsor_transfer_timeout(671				match collection.mode {672					CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,673					CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,674					CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,675				},676			)),677			sponsor_approve_timeout: Some(limits.sponsor_approve_timeout()),678			owner_can_transfer: Some(limits.owner_can_transfer()),679			owner_can_destroy: Some(limits.owner_can_destroy()),680			transfers_enabled: Some(limits.transfers_enabled()),681		};682683		Some(effective_limits)684	}685686	pub fn rpc_collection(collection: CollectionId) -> Option<RpcCollection<T::AccountId>> {687		let Collection {688			name,689			description,690			owner,691			mode,692			token_prefix,693			sponsorship,694			limits,695			permissions,696			external_collection,697		} = <CollectionById<T>>::get(collection)?;698699		let token_property_permissions = <CollectionPropertyPermissions<T>>::get(collection)700			.into_iter()701			.map(|(key, permission)| PropertyKeyPermission { key, permission })702			.collect();703704		let properties = <CollectionProperties<T>>::get(collection)705			.into_iter()706			.map(|(key, value)| Property { key, value })707			.collect();708709		let permissions = CollectionPermissions {710			access: Some(permissions.access()),711			mint_mode: Some(permissions.mint_mode()),712			nesting: Some(permissions.nesting().clone()),713		};714715		Some(RpcCollection {716			name: name.into_inner(),717			description: description.into_inner(),718			owner,719			mode,720			token_prefix: token_prefix.into_inner(),721			sponsorship,722			limits,723			permissions,724			token_property_permissions,725			properties,726			read_only: external_collection,727		})728	}729}730731macro_rules! limit_default {732	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{733		$(734			if let Some($new) = $new.$field {735				let $old = $old.$field($($arg)?);736				let _ = $new;737				let _ = $old;738				$check739			} else {740				$new.$field = $old.$field741			}742		)*743	}};744}745macro_rules! limit_default_clone {746	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{747		$(748			if let Some($new) = $new.$field.clone() {749				let $old = $old.$field($($arg)?);750				let _ = $new;751				let _ = $old;752				$check753			} else {754				$new.$field = $old.$field.clone()755			}756		)*757	}};758}759760impl<T: Config> Pallet<T> {761	pub fn init_collection(762		owner: T::CrossAccountId,763		data: CreateCollectionData<T::AccountId>,764		is_external: bool,765	) -> Result<CollectionId, DispatchError> {766		{767			ensure!(768				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,769				Error::<T>::CollectionTokenPrefixLimitExceeded770			);771		}772773		let created_count = <CreatedCollectionCount<T>>::get()774			.0775			.checked_add(1)776			.ok_or(ArithmeticError::Overflow)?;777		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;778		let id = CollectionId(created_count);779780		// bound Total number of collections781		ensure!(782			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,783			<Error<T>>::TotalCollectionsLimitExceeded784		);785786		// =========787788		let collection = Collection {789			owner: owner.as_sub().clone(),790			name: data.name,791			mode: data.mode.clone(),792			description: data.description,793			token_prefix: data.token_prefix,794			sponsorship: data795				.pending_sponsor796				.map(SponsorshipState::Unconfirmed)797				.unwrap_or_default(),798			limits: data799				.limits800				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))801				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,802			permissions: data803				.permissions804				.map(|permissions| {805					Self::clamp_permissions(data.mode.clone(), &Default::default(), permissions)806				})807				.unwrap_or_else(|| Ok(CollectionPermissions::default()))?,808			external_collection: is_external,809		};810811		let mut collection_properties = up_data_structs::CollectionProperties::get();812		collection_properties813			.try_set_from_iter(data.properties.into_iter())814			.map_err(<Error<T>>::from)?;815816		CollectionProperties::<T>::insert(id, collection_properties);817818		let mut token_props_permissions = PropertiesPermissionMap::new();819		token_props_permissions820			.try_set_from_iter(data.token_property_permissions.into_iter())821			.map_err(<Error<T>>::from)?;822823		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);824825		// Take a (non-refundable) deposit of collection creation826		{827			let mut imbalance =828				<<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();829			imbalance.subsume(830				<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(831					&T::TreasuryAccountId::get(),832					T::CollectionCreationPrice::get(),833				),834			);835			<T as Config>::Currency::settle(836				&owner.as_sub(),837				imbalance,838				WithdrawReasons::TRANSFER,839				ExistenceRequirement::KeepAlive,840			)841			.map_err(|_| Error::<T>::NotSufficientFounds)?;842		}843844		<CreatedCollectionCount<T>>::put(created_count);845		<Pallet<T>>::deposit_event(Event::CollectionCreated(846			id,847			data.mode.id(),848			owner.as_sub().clone(),849		));850		<PalletEvm<T>>::deposit_log(851			erc::CollectionHelpersEvents::CollectionCreated {852				owner: *owner.as_eth(),853				collection_id: eth::collection_id_to_address(id),854			}855			.to_log(T::ContractAddress::get()),856		);857		<CollectionById<T>>::insert(id, collection);858		Ok(id)859	}860861	pub fn destroy_collection(862		collection: CollectionHandle<T>,863		sender: &T::CrossAccountId,864	) -> DispatchResult {865		ensure!(866			collection.limits.owner_can_destroy(),867			<Error<T>>::NoPermission,868		);869		collection.check_is_owner(sender)?;870871		let destroyed_collections = <DestroyedCollectionCount<T>>::get()872			.0873			.checked_add(1)874			.ok_or(ArithmeticError::Overflow)?;875876		// =========877878		<DestroyedCollectionCount<T>>::put(destroyed_collections);879		<CollectionById<T>>::remove(collection.id);880		<AdminAmount<T>>::remove(collection.id);881		<IsAdmin<T>>::remove_prefix((collection.id,), None);882		<Allowlist<T>>::remove_prefix((collection.id,), None);883		<CollectionProperties<T>>::remove(collection.id);884885		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));886		Ok(())887	}888889	pub fn set_collection_property(890		collection: &CollectionHandle<T>,891		sender: &T::CrossAccountId,892		property: Property,893	) -> DispatchResult {894		collection.check_is_owner_or_admin(sender)?;895896		CollectionProperties::<T>::try_mutate(collection.id, |properties| {897			let property = property.clone();898			properties.try_set(property.key, property.value)899		})900		.map_err(<Error<T>>::from)?;901902		Self::deposit_event(Event::CollectionPropertySet(collection.id, property.key));903904		Ok(())905	}906907	pub fn set_scoped_collection_property(908		collection_id: CollectionId,909		scope: PropertyScope,910		property: Property,911	) -> DispatchResult {912		CollectionProperties::<T>::try_mutate(collection_id, |properties| {913			properties.try_scoped_set(scope, property.key, property.value)914		})915		.map_err(<Error<T>>::from)?;916917		Ok(())918	}919920	pub fn set_scoped_collection_properties(921		collection_id: CollectionId,922		scope: PropertyScope,923		properties: impl Iterator<Item = Property>,924	) -> DispatchResult {925		CollectionProperties::<T>::try_mutate(collection_id, |stored_properties| {926			stored_properties.try_scoped_set_from_iter(scope, properties)927		})928		.map_err(<Error<T>>::from)?;929930		Ok(())931	}932933	#[transactional]934	pub fn set_collection_properties(935		collection: &CollectionHandle<T>,936		sender: &T::CrossAccountId,937		properties: Vec<Property>,938	) -> DispatchResult {939		for property in properties {940			Self::set_collection_property(collection, sender, property)?;941		}942943		Ok(())944	}945946	pub fn delete_collection_property(947		collection: &CollectionHandle<T>,948		sender: &T::CrossAccountId,949		property_key: PropertyKey,950	) -> DispatchResult {951		collection.check_is_owner_or_admin(sender)?;952953		CollectionProperties::<T>::try_mutate(collection.id, |properties| {954			properties.remove(&property_key)955		})956		.map_err(<Error<T>>::from)?;957958		Self::deposit_event(Event::CollectionPropertyDeleted(959			collection.id,960			property_key,961		));962963		Ok(())964	}965966	#[transactional]967	pub fn delete_collection_properties(968		collection: &CollectionHandle<T>,969		sender: &T::CrossAccountId,970		property_keys: Vec<PropertyKey>,971	) -> DispatchResult {972		for key in property_keys {973			Self::delete_collection_property(collection, sender, key)?;974		}975976		Ok(())977	}978979	// For migrations980	pub fn set_property_permission_unchecked(981		collection: CollectionId,982		property_permission: PropertyKeyPermission,983	) -> DispatchResult {984		<CollectionPropertyPermissions<T>>::try_mutate(collection, |permissions| {985			permissions.try_set(property_permission.key, property_permission.permission)986		})987		.map_err(<Error<T>>::from)?;988		Ok(())989	}990991	pub fn set_property_permission(992		collection: &CollectionHandle<T>,993		sender: &T::CrossAccountId,994		property_permission: PropertyKeyPermission,995	) -> DispatchResult {996		collection.check_is_owner_or_admin(sender)?;997998		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);999		let current_permission = all_permissions.get(&property_permission.key);1000		if matches![1001			current_permission,1002			Some(PropertyPermission { mutable: false, .. })1003		] {1004			return Err(<Error<T>>::NoPermission.into());1005		}10061007		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {1008			let property_permission = property_permission.clone();1009			permissions.try_set(property_permission.key, property_permission.permission)1010		})1011		.map_err(<Error<T>>::from)?;10121013		Self::deposit_event(Event::PropertyPermissionSet(1014			collection.id,1015			property_permission.key,1016		));10171018		Ok(())1019	}10201021	#[transactional]1022	pub fn set_property_permissions(1023		collection: &CollectionHandle<T>,1024		sender: &T::CrossAccountId,1025		property_permissions: Vec<PropertyKeyPermission>,1026	) -> DispatchResult {1027		for prop_pemission in property_permissions {1028			Self::set_property_permission(collection, sender, prop_pemission)?;1029		}10301031		Ok(())1032	}10331034	pub fn get_collection_property(1035		collection_id: CollectionId,1036		key: &PropertyKey,1037	) -> Option<PropertyValue> {1038		Self::collection_properties(collection_id).get(key).cloned()1039	}10401041	pub fn bytes_keys_to_property_keys(1042		keys: Vec<Vec<u8>>,1043	) -> Result<Vec<PropertyKey>, DispatchError> {1044		keys.into_iter()1045			.map(|key| -> Result<PropertyKey, DispatchError> {1046				key.try_into()1047					.map_err(|_| <Error<T>>::PropertyKeyIsTooLong.into())1048			})1049			.collect::<Result<Vec<PropertyKey>, DispatchError>>()1050	}10511052	pub fn filter_collection_properties(1053		collection_id: CollectionId,1054		keys: Option<Vec<PropertyKey>>,1055	) -> Result<Vec<Property>, DispatchError> {1056		let properties = Self::collection_properties(collection_id);10571058		let properties = keys1059			.map(|keys| {1060				keys.into_iter()1061					.filter_map(|key| {1062						properties.get(&key).map(|value| Property {1063							key,1064							value: value.clone(),1065						})1066					})1067					.collect()1068			})1069			.unwrap_or_else(|| {1070				properties1071					.into_iter()1072					.map(|(key, value)| Property { key, value })1073					.collect()1074			});10751076		Ok(properties)1077	}10781079	pub fn filter_property_permissions(1080		collection_id: CollectionId,1081		keys: Option<Vec<PropertyKey>>,1082	) -> Result<Vec<PropertyKeyPermission>, DispatchError> {1083		let permissions = Self::property_permissions(collection_id);10841085		let key_permissions = keys1086			.map(|keys| {1087				keys.into_iter()1088					.filter_map(|key| {1089						permissions1090							.get(&key)1091							.map(|permission| PropertyKeyPermission {1092								key,1093								permission: permission.clone(),1094							})1095					})1096					.collect()1097			})1098			.unwrap_or_else(|| {1099				permissions1100					.into_iter()1101					.map(|(key, permission)| PropertyKeyPermission { key, permission })1102					.collect()1103			});11041105		Ok(key_permissions)1106	}11071108	pub fn toggle_allowlist(1109		collection: &CollectionHandle<T>,1110		sender: &T::CrossAccountId,1111		user: &T::CrossAccountId,1112		allowed: bool,1113	) -> DispatchResult {1114		collection.check_is_owner_or_admin(sender)?;11151116		// =========11171118		if allowed {1119			<Allowlist<T>>::insert((collection.id, user), true);1120		} else {1121			<Allowlist<T>>::remove((collection.id, user));1122		}11231124		Ok(())1125	}11261127	pub fn toggle_admin(1128		collection: &CollectionHandle<T>,1129		sender: &T::CrossAccountId,1130		user: &T::CrossAccountId,1131		admin: bool,1132	) -> DispatchResult {1133		collection.check_is_owner(sender)?;11341135		let was_admin = <IsAdmin<T>>::get((collection.id, user));1136		if was_admin == admin {1137			return Ok(());1138		}1139		let amount = <AdminAmount<T>>::get(collection.id);11401141		if admin {1142			let amount = amount1143				.checked_add(1)1144				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;1145			ensure!(1146				amount <= Self::collection_admins_limit(),1147				<Error<T>>::CollectionAdminCountExceeded,1148			);11491150			// =========11511152			<AdminAmount<T>>::insert(collection.id, amount);1153			<IsAdmin<T>>::insert((collection.id, user), true);1154		} else {1155			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));1156			<IsAdmin<T>>::remove((collection.id, user));1157		}11581159		Ok(())1160	}11611162	pub fn clamp_limits(1163		mode: CollectionMode,1164		old_limit: &CollectionLimits,1165		mut new_limit: CollectionLimits,1166	) -> Result<CollectionLimits, DispatchError> {1167		limit_default!(old_limit, new_limit,1168			account_token_ownership_limit => ensure!(1169				new_limit <= MAX_TOKEN_OWNERSHIP,1170				<Error<T>>::CollectionLimitBoundsExceeded,1171			),1172			sponsored_data_size => ensure!(1173				new_limit <= CUSTOM_DATA_LIMIT,1174				<Error<T>>::CollectionLimitBoundsExceeded,1175			),11761177			sponsored_data_rate_limit => {},1178			token_limit => ensure!(1179				old_limit >= new_limit && new_limit > 0,1180				<Error<T>>::CollectionTokenLimitExceeded1181			),11821183			sponsor_transfer_timeout(match mode {1184				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,1185				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1186				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1187			}) => ensure!(1188				new_limit <= MAX_SPONSOR_TIMEOUT,1189				<Error<T>>::CollectionLimitBoundsExceeded,1190			),1191			sponsor_approve_timeout => {},1192			owner_can_transfer => ensure!(1193				old_limit || !new_limit,1194				<Error<T>>::OwnerPermissionsCantBeReverted,1195			),1196			owner_can_destroy => ensure!(1197				old_limit || !new_limit,1198				<Error<T>>::OwnerPermissionsCantBeReverted,1199			),1200			transfers_enabled => {},1201		);1202		Ok(new_limit)1203	}12041205	pub fn clamp_permissions(1206		_mode: CollectionMode,1207		old_limit: &CollectionPermissions,1208		mut new_limit: CollectionPermissions,1209	) -> Result<CollectionPermissions, DispatchError> {1210		limit_default_clone!(old_limit, new_limit,1211			access => {},1212			mint_mode => {},1213			nesting => ensure!(1214				// Permissive is only allowed for tests and internal usage of chain for now1215				old_limit.permissive || !new_limit.permissive,1216				<Error<T>>::NoPermission,1217			),1218		);1219		Ok(new_limit)1220	}1221}12221223#[macro_export]1224macro_rules! unsupported {1225	() => {1226		Err(<Error<T>>::UnsupportedOperation.into())1227	};1228}12291230/// Worst cases1231pub trait CommonWeightInfo<CrossAccountId> {1232	fn create_item() -> Weight;1233	fn create_multiple_items(amount: &[CreateItemData]) -> Weight;1234	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;1235	fn burn_item() -> Weight;1236	fn set_collection_properties(amount: u32) -> Weight;1237	fn delete_collection_properties(amount: u32) -> Weight;1238	fn set_token_properties(amount: u32) -> Weight;1239	fn delete_token_properties(amount: u32) -> Weight;1240	fn set_property_permissions(amount: u32) -> Weight;1241	fn transfer() -> Weight;1242	fn approve() -> Weight;1243	fn transfer_from() -> Weight;1244	fn burn_from() -> Weight;12451246	/// Differs from burn_item in case of Fungible and Refungible, as it should burn1247	/// whole users's balance1248	///1249	/// This method shouldn't be used directly, as it doesn't count breadth price, use `burn_recursively` instead1250	fn burn_recursively_self_raw() -> Weight;1251	/// Cost of iterating over `amount` children while burning, without counting child burning itself1252	///1253	/// This method shouldn't be used directly, as it doesn't count depth price, use `burn_recursively` instead1254	fn burn_recursively_breadth_raw(amount: u32) -> Weight;12551256	fn burn_recursively(max_selfs: u32, max_breadth: u32) -> Weight {1257		Self::burn_recursively_self_raw()1258			.saturating_mul(max_selfs.max(1) as u64)1259			.saturating_add(Self::burn_recursively_breadth_raw(max_breadth))1260	}1261}12621263pub trait CommonCollectionOperations<T: Config> {1264	fn create_item(1265		&self,1266		sender: T::CrossAccountId,1267		to: T::CrossAccountId,1268		data: CreateItemData,1269		nesting_budget: &dyn Budget,1270	) -> DispatchResultWithPostInfo;1271	fn create_multiple_items(1272		&self,1273		sender: T::CrossAccountId,1274		to: T::CrossAccountId,1275		data: Vec<CreateItemData>,1276		nesting_budget: &dyn Budget,1277	) -> DispatchResultWithPostInfo;1278	fn create_multiple_items_ex(1279		&self,1280		sender: T::CrossAccountId,1281		data: CreateItemExData<T::CrossAccountId>,1282		nesting_budget: &dyn Budget,1283	) -> DispatchResultWithPostInfo;1284	fn burn_item(1285		&self,1286		sender: T::CrossAccountId,1287		token: TokenId,1288		amount: u128,1289	) -> DispatchResultWithPostInfo;1290	fn burn_item_recursively(1291		&self,1292		sender: T::CrossAccountId,1293		token: TokenId,1294		self_budget: &dyn Budget,1295		breadth_budget: &dyn Budget,1296	) -> DispatchResultWithPostInfo;1297	fn set_collection_properties(1298		&self,1299		sender: T::CrossAccountId,1300		properties: Vec<Property>,1301	) -> DispatchResultWithPostInfo;1302	fn delete_collection_properties(1303		&self,1304		sender: &T::CrossAccountId,1305		property_keys: Vec<PropertyKey>,1306	) -> DispatchResultWithPostInfo;1307	fn set_token_properties(1308		&self,1309		sender: T::CrossAccountId,1310		token_id: TokenId,1311		property: Vec<Property>,1312	) -> DispatchResultWithPostInfo;1313	fn delete_token_properties(1314		&self,1315		sender: T::CrossAccountId,1316		token_id: TokenId,1317		property_keys: Vec<PropertyKey>,1318	) -> DispatchResultWithPostInfo;1319	fn set_property_permissions(1320		&self,1321		sender: &T::CrossAccountId,1322		property_permissions: Vec<PropertyKeyPermission>,1323	) -> DispatchResultWithPostInfo;1324	fn transfer(1325		&self,1326		sender: T::CrossAccountId,1327		to: T::CrossAccountId,1328		token: TokenId,1329		amount: u128,1330		nesting_budget: &dyn Budget,1331	) -> DispatchResultWithPostInfo;1332	fn approve(1333		&self,1334		sender: T::CrossAccountId,1335		spender: T::CrossAccountId,1336		token: TokenId,1337		amount: u128,1338	) -> DispatchResultWithPostInfo;1339	fn transfer_from(1340		&self,1341		sender: T::CrossAccountId,1342		from: T::CrossAccountId,1343		to: T::CrossAccountId,1344		token: TokenId,1345		amount: u128,1346		nesting_budget: &dyn Budget,1347	) -> DispatchResultWithPostInfo;1348	fn burn_from(1349		&self,1350		sender: T::CrossAccountId,1351		from: T::CrossAccountId,1352		token: TokenId,1353		amount: u128,1354		nesting_budget: &dyn Budget,1355	) -> DispatchResultWithPostInfo;13561357	fn check_nesting(1358		&self,1359		sender: T::CrossAccountId,1360		from: (CollectionId, TokenId),1361		under: TokenId,1362		budget: &dyn Budget,1363	) -> DispatchResult;13641365	fn nest(&self, under: TokenId, to_nest: (CollectionId, TokenId));13661367	fn unnest(&self, under: TokenId, to_nest: (CollectionId, TokenId));13681369	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;1370	fn collection_tokens(&self) -> Vec<TokenId>;1371	fn token_exists(&self, token: TokenId) -> bool;1372	fn last_token_id(&self) -> TokenId;13731374	fn token_owner(&self, token: TokenId) -> Option<T::CrossAccountId>;1375	fn token_property(&self, token_id: TokenId, key: &PropertyKey) -> Option<PropertyValue>;1376	fn token_properties(&self, token_id: TokenId, keys: Option<Vec<PropertyKey>>) -> Vec<Property>;1377	/// Amount of unique collection tokens1378	fn total_supply(&self) -> u32;1379	/// Amount of different tokens account has (Applicable to nonfungible/refungible)1380	fn account_balance(&self, account: T::CrossAccountId) -> u32;1381	/// Amount of specific token account have (Applicable to fungible/refungible)1382	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;1383	fn allowance(1384		&self,1385		sender: T::CrossAccountId,1386		spender: T::CrossAccountId,1387		token: TokenId,1388	) -> u128;1389}13901391// Flexible enough for implementing CommonCollectionOperations1392pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {1393	let post_info = PostDispatchInfo {1394		actual_weight: Some(weight),1395		pays_fee: Pays::Yes,1396	};1397	match res {1398		Ok(()) => Ok(post_info),1399		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),1400	}1401}14021403impl<T: Config> From<PropertiesError> for Error<T> {1404	fn from(error: PropertiesError) -> Self {1405		match error {1406			PropertiesError::NoSpaceForProperty => Self::NoSpaceForProperty,1407			PropertiesError::PropertyLimitReached => Self::PropertyLimitReached,1408			PropertiesError::InvalidCharacterInPropertyKey => Self::InvalidCharacterInPropertyKey,1409			PropertiesError::PropertyKeyIsTooLong => Self::PropertyKeyIsTooLong,1410			PropertiesError::EmptyPropertyKey => Self::EmptyPropertyKey,1411		}1412	}1413}