git.delta.rocks / unique-network / refs/commits / 3b810a7cb2bc

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	}151152	pub fn save(self) -> DispatchResult {153		<CollectionById<T>>::insert(self.id, self.collection);154		Ok(())155	}156157	pub fn set_sponsor(&mut self, sponsor: T::AccountId) -> DispatchResult {158		self.collection.sponsorship = SponsorshipState::Unconfirmed(sponsor);159		Ok(())160	}161162	pub fn confirm_sponsorship(&mut self, sender: &T::AccountId) -> Result<bool, DispatchError> {163		if self.collection.sponsorship.pending_sponsor() != Some(sender) {164			return Ok(false);165		}166167		self.collection.sponsorship = SponsorshipState::Confirmed(sender.clone());168		Ok(true)169	}170171	/// Checks that the collection was created with, and must be operated upon through **Unique API**.172	/// Now check only the `external_collection` flag and if it's **true**, then return `CollectionIsExternal` error.173	pub fn check_is_internal(&self) -> DispatchResult {174		if self.external_collection {175			return Err(<Error<T>>::CollectionIsExternal)?;176		}177178		Ok(())179	}180181	/// Checks that the collection was created with, and must be operated upon through an **assimilated API**.182	/// Now check only the `external_collection` flag and if it's **false**, then return `CollectionIsInternal` error.183	pub fn check_is_external(&self) -> DispatchResult {184		if !self.external_collection {185			return Err(<Error<T>>::CollectionIsInternal)?;186		}187188		Ok(())189	}190}191192impl<T: Config> Deref for CollectionHandle<T> {193	type Target = Collection<T::AccountId>;194195	fn deref(&self) -> &Self::Target {196		&self.collection197	}198}199200impl<T: Config> DerefMut for CollectionHandle<T> {201	fn deref_mut(&mut self) -> &mut Self::Target {202		&mut self.collection203	}204}205206impl<T: Config> CollectionHandle<T> {207	pub fn check_is_owner(&self, subject: &T::CrossAccountId) -> DispatchResult {208		ensure!(*subject.as_sub() == self.owner, <Error<T>>::NoPermission);209		Ok(())210	}211	pub fn is_owner_or_admin(&self, subject: &T::CrossAccountId) -> bool {212		*subject.as_sub() == self.owner || <IsAdmin<T>>::get((self.id, subject))213	}214	pub fn check_is_owner_or_admin(&self, subject: &T::CrossAccountId) -> DispatchResult {215		ensure!(self.is_owner_or_admin(subject), <Error<T>>::NoPermission);216		Ok(())217	}218	pub fn ignores_allowance(&self, user: &T::CrossAccountId) -> bool {219		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)220	}221	pub fn ignores_owned_amount(&self, user: &T::CrossAccountId) -> bool {222		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)223	}224	pub fn check_allowlist(&self, user: &T::CrossAccountId) -> DispatchResult {225		ensure!(226			<Allowlist<T>>::get((self.id, user)),227			<Error<T>>::AddressNotInAllowlist228		);229		Ok(())230	}231}232233#[frame_support::pallet]234pub mod pallet {235	use super::*;236	use pallet_evm::account;237	use dispatch::CollectionDispatch;238	use frame_support::{Blake2_128Concat, pallet_prelude::*, storage::Key, traits::StorageVersion};239	use frame_system::pallet_prelude::*;240	use frame_support::traits::Currency;241	use up_data_structs::{TokenId, mapping::TokenAddressMapping};242	use scale_info::TypeInfo;243	use weights::WeightInfo;244245	#[pallet::config]246	pub trait Config:247		frame_system::Config248		+ pallet_evm_coder_substrate::Config249		+ pallet_evm::Config250		+ TypeInfo251		+ account::Config252	{253		type WeightInfo: WeightInfo;254		type Event: IsType<<Self as frame_system::Config>::Event> + From<Event<Self>>;255256		type Currency: Currency<Self::AccountId>;257258		#[pallet::constant]259		type CollectionCreationPrice: Get<260			<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,261		>;262		type CollectionDispatch: CollectionDispatch<Self>;263264		type TreasuryAccountId: Get<Self::AccountId>;265		type ContractAddress: Get<H160>;266267		type EvmTokenAddressMapping: TokenAddressMapping<H160>;268		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;269	}270271	const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);272273	#[pallet::pallet]274	#[pallet::storage_version(STORAGE_VERSION)]275	#[pallet::generate_store(pub(super) trait Store)]276	pub struct Pallet<T>(_);277278	#[pallet::extra_constants]279	impl<T: Config> Pallet<T> {280		pub fn collection_admins_limit() -> u32 {281			COLLECTION_ADMINS_LIMIT282		}283	}284285	#[pallet::event]286	#[pallet::generate_deposit(pub fn deposit_event)]287	pub enum Event<T: Config> {288		/// New collection was created289		///290		/// # Arguments291		///292		/// * collection_id: Globally unique identifier of newly created collection.293		///294		/// * mode: [CollectionMode] converted into u8.295		///296		/// * account_id: Collection owner.297		CollectionCreated(CollectionId, u8, T::AccountId),298299		/// New collection was destroyed300		///301		/// # Arguments302		///303		/// * collection_id: Globally unique identifier of collection.304		CollectionDestroyed(CollectionId),305306		/// New item was created.307		///308		/// # Arguments309		///310		/// * collection_id: Id of the collection where item was created.311		///312		/// * item_id: Id of an item. Unique within the collection.313		///314		/// * recipient: Owner of newly created item315		///316		/// * amount: Always 1 for NFT317		ItemCreated(CollectionId, TokenId, T::CrossAccountId, u128),318319		/// Collection item was burned.320		///321		/// # Arguments322		///323		/// * collection_id.324		///325		/// * item_id: Identifier of burned NFT.326		///327		/// * owner: which user has destroyed its tokens328		///329		/// * amount: Always 1 for NFT330		ItemDestroyed(CollectionId, TokenId, T::CrossAccountId, u128),331332		/// Item was transferred333		///334		/// * collection_id: Id of collection to which item is belong335		///336		/// * item_id: Id of an item337		///338		/// * sender: Original owner of item339		///340		/// * recipient: New owner of item341		///342		/// * amount: Always 1 for NFT343		Transfer(344			CollectionId,345			TokenId,346			T::CrossAccountId,347			T::CrossAccountId,348			u128,349		),350351		/// * collection_id352		///353		/// * item_id354		///355		/// * sender356		///357		/// * spender358		///359		/// * amount360		Approved(361			CollectionId,362			TokenId,363			T::CrossAccountId,364			T::CrossAccountId,365			u128,366		),367368		CollectionPropertySet(CollectionId, PropertyKey),369370		CollectionPropertyDeleted(CollectionId, PropertyKey),371372		TokenPropertySet(CollectionId, TokenId, PropertyKey),373374		TokenPropertyDeleted(CollectionId, TokenId, PropertyKey),375376		PropertyPermissionSet(CollectionId, PropertyKey),377	}378379	#[pallet::error]380	pub enum Error<T> {381		/// This collection does not exist.382		CollectionNotFound,383		/// Sender parameter and item owner must be equal.384		MustBeTokenOwner,385		/// No permission to perform action386		NoPermission,387		/// Destroying only empty collections is allowed388		CantDestroyNotEmptyCollection,389		/// Collection is not in mint mode.390		PublicMintingNotAllowed,391		/// Address is not in allow list.392		AddressNotInAllowlist,393394		/// Collection name can not be longer than 63 char.395		CollectionNameLimitExceeded,396		/// Collection description can not be longer than 255 char.397		CollectionDescriptionLimitExceeded,398		/// Token prefix can not be longer than 15 char.399		CollectionTokenPrefixLimitExceeded,400		/// Total collections bound exceeded.401		TotalCollectionsLimitExceeded,402		/// Exceeded max admin count403		CollectionAdminCountExceeded,404		/// Collection limit bounds per collection exceeded405		CollectionLimitBoundsExceeded,406		/// Tried to enable permissions which are only permitted to be disabled407		OwnerPermissionsCantBeReverted,408		/// Collection settings not allowing items transferring409		TransferNotAllowed,410		/// Account token limit exceeded per collection411		AccountTokenLimitExceeded,412		/// Collection token limit exceeded413		CollectionTokenLimitExceeded,414		/// Metadata flag frozen415		MetadataFlagFrozen,416417		/// Item not exists.418		TokenNotFound,419		/// Item balance not enough.420		TokenValueTooLow,421		/// Requested value more than approved.422		ApprovedValueTooLow,423		/// Tried to approve more than owned424		CantApproveMoreThanOwned,425426		/// Can't transfer tokens to ethereum zero address427		AddressIsZero,428		/// Target collection doesn't supports this operation429		UnsupportedOperation,430431		/// Not sufficient founds to perform action432		NotSufficientFounds,433434		/// Collection has nesting disabled435		NestingIsDisabled,436		/// Only owner may nest tokens under this collection437		OnlyOwnerAllowedToNest,438		/// Only tokens from specific collections may nest tokens under this439		SourceCollectionIsNotAllowedToNest,440441		/// Tried to store more data than allowed in collection field442		CollectionFieldSizeExceeded,443444		/// Tried to store more property data than allowed445		NoSpaceForProperty,446447		/// Tried to store more property keys than allowed448		PropertyLimitReached,449450		/// Property key is too long451		PropertyKeyIsTooLong,452453		/// Only ASCII letters, digits, and '_', '-' are allowed454		InvalidCharacterInPropertyKey,455456		/// Empty property keys are forbidden457		EmptyPropertyKey,458459		/// Tried to access an external collection with an internal API460		CollectionIsExternal,461462		/// Tried to access an internal collection with an external API463		CollectionIsInternal,464	}465466	#[pallet::storage]467	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;468	#[pallet::storage]469	pub type DestroyedCollectionCount<T> =470		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;471472	/// Collection info473	#[pallet::storage]474	pub type CollectionById<T> = StorageMap<475		Hasher = Blake2_128Concat,476		Key = CollectionId,477		Value = Collection<<T as frame_system::Config>::AccountId>,478		QueryKind = OptionQuery,479	>;480481	/// Collection properties482	#[pallet::storage]483	#[pallet::getter(fn collection_properties)]484	pub type CollectionProperties<T> = StorageMap<485		Hasher = Blake2_128Concat,486		Key = CollectionId,487		Value = Properties,488		QueryKind = ValueQuery,489		OnEmpty = up_data_structs::CollectionProperties,490	>;491492	#[pallet::storage]493	#[pallet::getter(fn property_permissions)]494	pub type CollectionPropertyPermissions<T> = StorageMap<495		Hasher = Blake2_128Concat,496		Key = CollectionId,497		Value = PropertiesPermissionMap,498		QueryKind = ValueQuery,499	>;500501	#[pallet::storage]502	pub type AdminAmount<T> = StorageMap<503		Hasher = Blake2_128Concat,504		Key = CollectionId,505		Value = u32,506		QueryKind = ValueQuery,507	>;508509	/// List of collection admins510	#[pallet::storage]511	pub type IsAdmin<T: Config> = StorageNMap<512		Key = (513			Key<Blake2_128Concat, CollectionId>,514			Key<Blake2_128Concat, T::CrossAccountId>,515		),516		Value = bool,517		QueryKind = ValueQuery,518	>;519520	/// Allowlisted collection users521	#[pallet::storage]522	pub type Allowlist<T: Config> = StorageNMap<523		Key = (524			Key<Blake2_128Concat, CollectionId>,525			Key<Blake2_128Concat, T::CrossAccountId>,526		),527		Value = bool,528		QueryKind = ValueQuery,529	>;530531	/// Not used by code, exists only to provide some types to metadata532	#[pallet::storage]533	pub type DummyStorageValue<T: Config> = StorageValue<534		Value = (535			CollectionStats,536			CollectionId,537			TokenId,538			TokenChild,539			PhantomType<(540				TokenData<T::CrossAccountId>,541				RpcCollection<T::AccountId>,542				// RMRK543				RmrkCollectionInfo<T::AccountId>,544				RmrkInstanceInfo<T::AccountId>,545				RmrkResourceInfo,546				RmrkPropertyInfo,547				RmrkBaseInfo<T::AccountId>,548				RmrkPartType,549				RmrkTheme,550				RmrkNftChild,551			)>,552		),553		QueryKind = OptionQuery,554	>;555556	#[pallet::hooks]557	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {558		fn on_runtime_upgrade() -> Weight {559			if StorageVersion::get::<Pallet<T>>() < StorageVersion::new(1) {560				use up_data_structs::{CollectionVersion1, CollectionVersion2};561				<CollectionById<T>>::translate::<CollectionVersion1<T::AccountId>, _>(|id, v| {562					let mut props = Vec::new();563					if !v.offchain_schema.is_empty() {564						props.push(Property {565							key: b"_old_offchainSchema".to_vec().try_into().unwrap(),566							value: v567								.offchain_schema568								.clone()569								.into_inner()570								.try_into()571								.expect("offchain schema too big"),572						});573					}574					if !v.variable_on_chain_schema.is_empty() {575						props.push(Property {576							key: b"_old_variableOnChainSchema".to_vec().try_into().unwrap(),577							value: v578								.variable_on_chain_schema579								.clone()580								.into_inner()581								.try_into()582								.expect("offchain schema too big"),583						});584					}585					if !v.const_on_chain_schema.is_empty() {586						props.push(Property {587							key: b"_old_constOnChainSchema".to_vec().try_into().unwrap(),588							value: v589								.const_on_chain_schema590								.clone()591								.into_inner()592								.try_into()593								.expect("offchain schema too big"),594						});595					}596					props.push(Property {597						key: b"_old_schemaVersion".to_vec().try_into().unwrap(),598						value: match v.schema_version {599							SchemaVersion::ImageURL => b"ImageUrl".as_slice(),600							SchemaVersion::Unique => b"Unique".as_slice(),601						}602						.to_vec()603						.try_into()604						.unwrap(),605					});606					Self::set_scoped_collection_properties(607						id,608						PropertyScope::None,609						props.into_iter(),610					)611					.expect("existing data larger than properties");612					let mut new = CollectionVersion2::from(v.clone());613					new.permissions.access = Some(v.access);614					new.permissions.mint_mode = Some(v.mint_mode);615					Some(new)616				});617			}618619			0620		}621	}622}623624impl<T: Config> Pallet<T> {625	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens626	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {627		ensure!(628			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,629			<Error<T>>::AddressIsZero630		);631		Ok(())632	}633	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {634		<IsAdmin<T>>::iter_prefix((collection,))635			.map(|(a, _)| a)636			.collect()637	}638	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {639		<Allowlist<T>>::iter_prefix((collection,))640			.map(|(a, _)| a)641			.collect()642	}643	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {644		<Allowlist<T>>::get((collection, user))645	}646	pub fn collection_stats() -> CollectionStats {647		let created = <CreatedCollectionCount<T>>::get();648		let destroyed = <DestroyedCollectionCount<T>>::get();649		CollectionStats {650			created: created.0,651			destroyed: destroyed.0,652			alive: created.0 - destroyed.0,653		}654	}655656	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {657		let collection = <CollectionById<T>>::get(collection);658		if collection.is_none() {659			return None;660		}661662		let collection = collection.unwrap();663		let limits = collection.limits;664		let effective_limits = CollectionLimits {665			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),666			sponsored_data_size: Some(limits.sponsored_data_size()),667			sponsored_data_rate_limit: Some(668				limits669					.sponsored_data_rate_limit670					.unwrap_or(SponsoringRateLimit::SponsoringDisabled),671			),672			token_limit: Some(limits.token_limit()),673			sponsor_transfer_timeout: Some(limits.sponsor_transfer_timeout(674				match collection.mode {675					CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,676					CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,677					CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,678				},679			)),680			sponsor_approve_timeout: Some(limits.sponsor_approve_timeout()),681			owner_can_transfer: Some(limits.owner_can_transfer()),682			owner_can_destroy: Some(limits.owner_can_destroy()),683			transfers_enabled: Some(limits.transfers_enabled()),684		};685686		Some(effective_limits)687	}688689	pub fn rpc_collection(collection: CollectionId) -> Option<RpcCollection<T::AccountId>> {690		let Collection {691			name,692			description,693			owner,694			mode,695			token_prefix,696			sponsorship,697			limits,698			permissions,699			external_collection,700		} = <CollectionById<T>>::get(collection)?;701702		let token_property_permissions = <CollectionPropertyPermissions<T>>::get(collection)703			.into_iter()704			.map(|(key, permission)| PropertyKeyPermission { key, permission })705			.collect();706707		let properties = <CollectionProperties<T>>::get(collection)708			.into_iter()709			.map(|(key, value)| Property { key, value })710			.collect();711712		let permissions = CollectionPermissions {713			access: Some(permissions.access()),714			mint_mode: Some(permissions.mint_mode()),715			nesting: Some(permissions.nesting().clone()),716		};717718		Some(RpcCollection {719			name: name.into_inner(),720			description: description.into_inner(),721			owner,722			mode,723			token_prefix: token_prefix.into_inner(),724			sponsorship,725			limits,726			permissions,727			token_property_permissions,728			properties,729			read_only: external_collection,730		})731	}732}733734macro_rules! limit_default {735	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{736		$(737			if let Some($new) = $new.$field {738				let $old = $old.$field($($arg)?);739				let _ = $new;740				let _ = $old;741				$check742			} else {743				$new.$field = $old.$field744			}745		)*746	}};747}748macro_rules! limit_default_clone {749	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{750		$(751			if let Some($new) = $new.$field.clone() {752				let $old = $old.$field($($arg)?);753				let _ = $new;754				let _ = $old;755				$check756			} else {757				$new.$field = $old.$field.clone()758			}759		)*760	}};761}762763impl<T: Config> Pallet<T> {764	pub fn init_collection(765		owner: T::CrossAccountId,766		data: CreateCollectionData<T::AccountId>,767		is_external: bool,768	) -> Result<CollectionId, DispatchError> {769		{770			ensure!(771				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,772				Error::<T>::CollectionTokenPrefixLimitExceeded773			);774		}775776		let created_count = <CreatedCollectionCount<T>>::get()777			.0778			.checked_add(1)779			.ok_or(ArithmeticError::Overflow)?;780		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;781		let id = CollectionId(created_count);782783		// bound Total number of collections784		ensure!(785			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,786			<Error<T>>::TotalCollectionsLimitExceeded787		);788789		// =========790791		let collection = Collection {792			owner: owner.as_sub().clone(),793			name: data.name,794			mode: data.mode.clone(),795			description: data.description,796			token_prefix: data.token_prefix,797			sponsorship: data798				.pending_sponsor799				.map(SponsorshipState::Unconfirmed)800				.unwrap_or_default(),801			limits: data802				.limits803				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))804				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,805			permissions: data806				.permissions807				.map(|permissions| {808					Self::clamp_permissions(data.mode.clone(), &Default::default(), permissions)809				})810				.unwrap_or_else(|| Ok(CollectionPermissions::default()))?,811			external_collection: is_external,812		};813814		let mut collection_properties = up_data_structs::CollectionProperties::get();815		collection_properties816			.try_set_from_iter(data.properties.into_iter())817			.map_err(<Error<T>>::from)?;818819		CollectionProperties::<T>::insert(id, collection_properties);820821		let mut token_props_permissions = PropertiesPermissionMap::new();822		token_props_permissions823			.try_set_from_iter(data.token_property_permissions.into_iter())824			.map_err(<Error<T>>::from)?;825826		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);827828		// Take a (non-refundable) deposit of collection creation829		{830			let mut imbalance =831				<<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();832			imbalance.subsume(833				<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(834					&T::TreasuryAccountId::get(),835					T::CollectionCreationPrice::get(),836				),837			);838			<T as Config>::Currency::settle(839				&owner.as_sub(),840				imbalance,841				WithdrawReasons::TRANSFER,842				ExistenceRequirement::KeepAlive,843			)844			.map_err(|_| Error::<T>::NotSufficientFounds)?;845		}846847		<CreatedCollectionCount<T>>::put(created_count);848		<Pallet<T>>::deposit_event(Event::CollectionCreated(849			id,850			data.mode.id(),851			owner.as_sub().clone(),852		));853		<PalletEvm<T>>::deposit_log(854			erc::CollectionHelpersEvents::CollectionCreated {855				owner: *owner.as_eth(),856				collection_id: eth::collection_id_to_address(id),857			}858			.to_log(T::ContractAddress::get()),859		);860		<CollectionById<T>>::insert(id, collection);861		Ok(id)862	}863864	pub fn destroy_collection(865		collection: CollectionHandle<T>,866		sender: &T::CrossAccountId,867	) -> DispatchResult {868		ensure!(869			collection.limits.owner_can_destroy(),870			<Error<T>>::NoPermission,871		);872		collection.check_is_owner(sender)?;873874		let destroyed_collections = <DestroyedCollectionCount<T>>::get()875			.0876			.checked_add(1)877			.ok_or(ArithmeticError::Overflow)?;878879		// =========880881		<DestroyedCollectionCount<T>>::put(destroyed_collections);882		<CollectionById<T>>::remove(collection.id);883		<AdminAmount<T>>::remove(collection.id);884		<IsAdmin<T>>::remove_prefix((collection.id,), None);885		<Allowlist<T>>::remove_prefix((collection.id,), None);886		<CollectionProperties<T>>::remove(collection.id);887888		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));889		Ok(())890	}891892	pub fn set_collection_property(893		collection: &CollectionHandle<T>,894		sender: &T::CrossAccountId,895		property: Property,896	) -> DispatchResult {897		collection.check_is_owner_or_admin(sender)?;898899		CollectionProperties::<T>::try_mutate(collection.id, |properties| {900			let property = property.clone();901			properties.try_set(property.key, property.value)902		})903		.map_err(<Error<T>>::from)?;904905		Self::deposit_event(Event::CollectionPropertySet(collection.id, property.key));906907		Ok(())908	}909910	pub fn set_scoped_collection_property(911		collection_id: CollectionId,912		scope: PropertyScope,913		property: Property,914	) -> DispatchResult {915		CollectionProperties::<T>::try_mutate(collection_id, |properties| {916			properties.try_scoped_set(scope, property.key, property.value)917		})918		.map_err(<Error<T>>::from)?;919920		Ok(())921	}922923	pub fn set_scoped_collection_properties(924		collection_id: CollectionId,925		scope: PropertyScope,926		properties: impl Iterator<Item = Property>,927	) -> DispatchResult {928		CollectionProperties::<T>::try_mutate(collection_id, |stored_properties| {929			stored_properties.try_scoped_set_from_iter(scope, properties)930		})931		.map_err(<Error<T>>::from)?;932933		Ok(())934	}935936	#[transactional]937	pub fn set_collection_properties(938		collection: &CollectionHandle<T>,939		sender: &T::CrossAccountId,940		properties: Vec<Property>,941	) -> DispatchResult {942		for property in properties {943			Self::set_collection_property(collection, sender, property)?;944		}945946		Ok(())947	}948949	pub fn delete_collection_property(950		collection: &CollectionHandle<T>,951		sender: &T::CrossAccountId,952		property_key: PropertyKey,953	) -> DispatchResult {954		collection.check_is_owner_or_admin(sender)?;955956		CollectionProperties::<T>::try_mutate(collection.id, |properties| {957			properties.remove(&property_key)958		})959		.map_err(<Error<T>>::from)?;960961		Self::deposit_event(Event::CollectionPropertyDeleted(962			collection.id,963			property_key,964		));965966		Ok(())967	}968969	#[transactional]970	pub fn delete_collection_properties(971		collection: &CollectionHandle<T>,972		sender: &T::CrossAccountId,973		property_keys: Vec<PropertyKey>,974	) -> DispatchResult {975		for key in property_keys {976			Self::delete_collection_property(collection, sender, key)?;977		}978979		Ok(())980	}981982	// For migrations983	pub fn set_property_permission_unchecked(984		collection: CollectionId,985		property_permission: PropertyKeyPermission,986	) -> DispatchResult {987		<CollectionPropertyPermissions<T>>::try_mutate(collection, |permissions| {988			permissions.try_set(property_permission.key, property_permission.permission)989		})990		.map_err(<Error<T>>::from)?;991		Ok(())992	}993994	pub fn set_property_permission(995		collection: &CollectionHandle<T>,996		sender: &T::CrossAccountId,997		property_permission: PropertyKeyPermission,998	) -> DispatchResult {999		collection.check_is_owner_or_admin(sender)?;10001001		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);1002		let current_permission = all_permissions.get(&property_permission.key);1003		if matches![1004			current_permission,1005			Some(PropertyPermission { mutable: false, .. })1006		] {1007			return Err(<Error<T>>::NoPermission.into());1008		}10091010		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {1011			let property_permission = property_permission.clone();1012			permissions.try_set(property_permission.key, property_permission.permission)1013		})1014		.map_err(<Error<T>>::from)?;10151016		Self::deposit_event(Event::PropertyPermissionSet(1017			collection.id,1018			property_permission.key,1019		));10201021		Ok(())1022	}10231024	#[transactional]1025	pub fn set_property_permissions(1026		collection: &CollectionHandle<T>,1027		sender: &T::CrossAccountId,1028		property_permissions: Vec<PropertyKeyPermission>,1029	) -> DispatchResult {1030		for prop_pemission in property_permissions {1031			Self::set_property_permission(collection, sender, prop_pemission)?;1032		}10331034		Ok(())1035	}10361037	pub fn get_collection_property(1038		collection_id: CollectionId,1039		key: &PropertyKey,1040	) -> Option<PropertyValue> {1041		Self::collection_properties(collection_id).get(key).cloned()1042	}10431044	pub fn bytes_keys_to_property_keys(1045		keys: Vec<Vec<u8>>,1046	) -> Result<Vec<PropertyKey>, DispatchError> {1047		keys.into_iter()1048			.map(|key| -> Result<PropertyKey, DispatchError> {1049				key.try_into()1050					.map_err(|_| <Error<T>>::PropertyKeyIsTooLong.into())1051			})1052			.collect::<Result<Vec<PropertyKey>, DispatchError>>()1053	}10541055	pub fn filter_collection_properties(1056		collection_id: CollectionId,1057		keys: Option<Vec<PropertyKey>>,1058	) -> Result<Vec<Property>, DispatchError> {1059		let properties = Self::collection_properties(collection_id);10601061		let properties = keys1062			.map(|keys| {1063				keys.into_iter()1064					.filter_map(|key| {1065						properties.get(&key).map(|value| Property {1066							key,1067							value: value.clone(),1068						})1069					})1070					.collect()1071			})1072			.unwrap_or_else(|| {1073				properties1074					.into_iter()1075					.map(|(key, value)| Property { key, value })1076					.collect()1077			});10781079		Ok(properties)1080	}10811082	pub fn filter_property_permissions(1083		collection_id: CollectionId,1084		keys: Option<Vec<PropertyKey>>,1085	) -> Result<Vec<PropertyKeyPermission>, DispatchError> {1086		let permissions = Self::property_permissions(collection_id);10871088		let key_permissions = keys1089			.map(|keys| {1090				keys.into_iter()1091					.filter_map(|key| {1092						permissions1093							.get(&key)1094							.map(|permission| PropertyKeyPermission {1095								key,1096								permission: permission.clone(),1097							})1098					})1099					.collect()1100			})1101			.unwrap_or_else(|| {1102				permissions1103					.into_iter()1104					.map(|(key, permission)| PropertyKeyPermission { key, permission })1105					.collect()1106			});11071108		Ok(key_permissions)1109	}11101111	pub fn toggle_allowlist(1112		collection: &CollectionHandle<T>,1113		sender: &T::CrossAccountId,1114		user: &T::CrossAccountId,1115		allowed: bool,1116	) -> DispatchResult {1117		collection.check_is_owner_or_admin(sender)?;11181119		// =========11201121		if allowed {1122			<Allowlist<T>>::insert((collection.id, user), true);1123		} else {1124			<Allowlist<T>>::remove((collection.id, user));1125		}11261127		Ok(())1128	}11291130	pub fn toggle_admin(1131		collection: &CollectionHandle<T>,1132		sender: &T::CrossAccountId,1133		user: &T::CrossAccountId,1134		admin: bool,1135	) -> DispatchResult {1136		collection.check_is_owner_or_admin(sender)?;11371138		let was_admin = <IsAdmin<T>>::get((collection.id, user));1139		if was_admin == admin {1140			return Ok(());1141		}1142		let amount = <AdminAmount<T>>::get(collection.id);11431144		if admin {1145			let amount = amount1146				.checked_add(1)1147				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;1148			ensure!(1149				amount <= Self::collection_admins_limit(),1150				<Error<T>>::CollectionAdminCountExceeded,1151			);11521153			// =========11541155			<AdminAmount<T>>::insert(collection.id, amount);1156			<IsAdmin<T>>::insert((collection.id, user), true);1157		} else {1158			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));1159			<IsAdmin<T>>::remove((collection.id, user));1160		}11611162		Ok(())1163	}11641165	pub fn clamp_limits(1166		mode: CollectionMode,1167		old_limit: &CollectionLimits,1168		mut new_limit: CollectionLimits,1169	) -> Result<CollectionLimits, DispatchError> {1170		limit_default!(old_limit, new_limit,1171			account_token_ownership_limit => ensure!(1172				new_limit <= MAX_TOKEN_OWNERSHIP,1173				<Error<T>>::CollectionLimitBoundsExceeded,1174			),1175			sponsored_data_size => ensure!(1176				new_limit <= CUSTOM_DATA_LIMIT,1177				<Error<T>>::CollectionLimitBoundsExceeded,1178			),11791180			sponsored_data_rate_limit => {},1181			token_limit => ensure!(1182				old_limit >= new_limit && new_limit > 0,1183				<Error<T>>::CollectionTokenLimitExceeded1184			),11851186			sponsor_transfer_timeout(match mode {1187				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,1188				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1189				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1190			}) => ensure!(1191				new_limit <= MAX_SPONSOR_TIMEOUT,1192				<Error<T>>::CollectionLimitBoundsExceeded,1193			),1194			sponsor_approve_timeout => {},1195			owner_can_transfer => ensure!(1196				old_limit || !new_limit,1197				<Error<T>>::OwnerPermissionsCantBeReverted,1198			),1199			owner_can_destroy => ensure!(1200				old_limit || !new_limit,1201				<Error<T>>::OwnerPermissionsCantBeReverted,1202			),1203			transfers_enabled => {},1204		);1205		Ok(new_limit)1206	}12071208	pub fn clamp_permissions(1209		_mode: CollectionMode,1210		old_limit: &CollectionPermissions,1211		mut new_limit: CollectionPermissions,1212	) -> Result<CollectionPermissions, DispatchError> {1213		limit_default_clone!(old_limit, new_limit,1214			access => {},1215			mint_mode => {},1216			nesting => {},1217		);1218		Ok(new_limit)1219	}1220}12211222#[macro_export]1223macro_rules! unsupported {1224	() => {1225		Err(<Error<T>>::UnsupportedOperation.into())1226	};1227}12281229/// Worst cases1230pub trait CommonWeightInfo<CrossAccountId> {1231	fn create_item() -> Weight;1232	fn create_multiple_items(amount: &[CreateItemData]) -> Weight;1233	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;1234	fn burn_item() -> Weight;1235	fn set_collection_properties(amount: u32) -> Weight;1236	fn delete_collection_properties(amount: u32) -> Weight;1237	fn set_token_properties(amount: u32) -> Weight;1238	fn delete_token_properties(amount: u32) -> Weight;1239	fn set_property_permissions(amount: u32) -> Weight;1240	fn transfer() -> Weight;1241	fn approve() -> Weight;1242	fn transfer_from() -> Weight;1243	fn burn_from() -> Weight;12441245	/// Differs from burn_item in case of Fungible and Refungible, as it should burn1246	/// whole users's balance1247	///1248	/// This method shouldn't be used directly, as it doesn't count breadth price, use `burn_recursively` instead1249	fn burn_recursively_self_raw() -> Weight;1250	/// Cost of iterating over `amount` children while burning, without counting child burning itself1251	///1252	/// This method shouldn't be used directly, as it doesn't count depth price, use `burn_recursively` instead1253	fn burn_recursively_breadth_raw(amount: u32) -> Weight;12541255	fn burn_recursively(max_selfs: u32, max_breadth: u32) -> Weight {1256		Self::burn_recursively_self_raw()1257			.saturating_mul(max_selfs.max(1) as u64)1258			.saturating_add(Self::burn_recursively_breadth_raw(max_breadth))1259	}1260}12611262pub trait CommonCollectionOperations<T: Config> {1263	fn create_item(1264		&self,1265		sender: T::CrossAccountId,1266		to: T::CrossAccountId,1267		data: CreateItemData,1268		nesting_budget: &dyn Budget,1269	) -> DispatchResultWithPostInfo;1270	fn create_multiple_items(1271		&self,1272		sender: T::CrossAccountId,1273		to: T::CrossAccountId,1274		data: Vec<CreateItemData>,1275		nesting_budget: &dyn Budget,1276	) -> DispatchResultWithPostInfo;1277	fn create_multiple_items_ex(1278		&self,1279		sender: T::CrossAccountId,1280		data: CreateItemExData<T::CrossAccountId>,1281		nesting_budget: &dyn Budget,1282	) -> DispatchResultWithPostInfo;1283	fn burn_item(1284		&self,1285		sender: T::CrossAccountId,1286		token: TokenId,1287		amount: u128,1288	) -> DispatchResultWithPostInfo;1289	fn burn_item_recursively(1290		&self,1291		sender: T::CrossAccountId,1292		token: TokenId,1293		self_budget: &dyn Budget,1294		breadth_budget: &dyn Budget,1295	) -> DispatchResultWithPostInfo;1296	fn set_collection_properties(1297		&self,1298		sender: T::CrossAccountId,1299		properties: Vec<Property>,1300	) -> DispatchResultWithPostInfo;1301	fn delete_collection_properties(1302		&self,1303		sender: &T::CrossAccountId,1304		property_keys: Vec<PropertyKey>,1305	) -> DispatchResultWithPostInfo;1306	fn set_token_properties(1307		&self,1308		sender: T::CrossAccountId,1309		token_id: TokenId,1310		property: Vec<Property>,1311	) -> DispatchResultWithPostInfo;1312	fn delete_token_properties(1313		&self,1314		sender: T::CrossAccountId,1315		token_id: TokenId,1316		property_keys: Vec<PropertyKey>,1317	) -> DispatchResultWithPostInfo;1318	fn set_property_permissions(1319		&self,1320		sender: &T::CrossAccountId,1321		property_permissions: Vec<PropertyKeyPermission>,1322	) -> DispatchResultWithPostInfo;1323	fn transfer(1324		&self,1325		sender: T::CrossAccountId,1326		to: T::CrossAccountId,1327		token: TokenId,1328		amount: u128,1329		nesting_budget: &dyn Budget,1330	) -> DispatchResultWithPostInfo;1331	fn approve(1332		&self,1333		sender: T::CrossAccountId,1334		spender: T::CrossAccountId,1335		token: TokenId,1336		amount: u128,1337	) -> DispatchResultWithPostInfo;1338	fn transfer_from(1339		&self,1340		sender: T::CrossAccountId,1341		from: T::CrossAccountId,1342		to: T::CrossAccountId,1343		token: TokenId,1344		amount: u128,1345		nesting_budget: &dyn Budget,1346	) -> DispatchResultWithPostInfo;1347	fn burn_from(1348		&self,1349		sender: T::CrossAccountId,1350		from: T::CrossAccountId,1351		token: TokenId,1352		amount: u128,1353		nesting_budget: &dyn Budget,1354	) -> DispatchResultWithPostInfo;13551356	fn check_nesting(1357		&self,1358		sender: T::CrossAccountId,1359		from: (CollectionId, TokenId),1360		under: TokenId,1361		budget: &dyn Budget,1362	) -> DispatchResult;13631364	fn nest(&self, under: TokenId, to_nest: (CollectionId, TokenId));13651366	fn unnest(&self, under: TokenId, to_nest: (CollectionId, TokenId));13671368	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;1369	fn collection_tokens(&self) -> Vec<TokenId>;1370	fn token_exists(&self, token: TokenId) -> bool;1371	fn last_token_id(&self) -> TokenId;13721373	fn token_owner(&self, token: TokenId) -> Option<T::CrossAccountId>;1374	fn token_property(&self, token_id: TokenId, key: &PropertyKey) -> Option<PropertyValue>;1375	fn token_properties(&self, token_id: TokenId, keys: Option<Vec<PropertyKey>>) -> Vec<Property>;1376	/// Amount of unique collection tokens1377	fn total_supply(&self) -> u32;1378	/// Amount of different tokens account has (Applicable to nonfungible/refungible)1379	fn account_balance(&self, account: T::CrossAccountId) -> u32;1380	/// Amount of specific token account have (Applicable to fungible/refungible)1381	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;1382	fn allowance(1383		&self,1384		sender: T::CrossAccountId,1385		spender: T::CrossAccountId,1386		token: TokenId,1387	) -> u128;1388}13891390// Flexible enough for implementing CommonCollectionOperations1391pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {1392	let post_info = PostDispatchInfo {1393		actual_weight: Some(weight),1394		pays_fee: Pays::Yes,1395	};1396	match res {1397		Ok(()) => Ok(post_info),1398		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),1399	}1400}14011402impl<T: Config> From<PropertiesError> for Error<T> {1403	fn from(error: PropertiesError) -> Self {1404		match error {1405			PropertiesError::NoSpaceForProperty => Self::NoSpaceForProperty,1406			PropertiesError::PropertyLimitReached => Self::PropertyLimitReached,1407			PropertiesError::InvalidCharacterInPropertyKey => Self::InvalidCharacterInPropertyKey,1408			PropertiesError::PropertyKeyIsTooLong => Self::PropertyKeyIsTooLong,1409			PropertiesError::EmptyPropertyKey => Self::EmptyPropertyKey,1410		}1411	}1412}