git.delta.rocks / unique-network / refs/commits / e3f5fcba47ee

1//2// This file is subject to the terms and conditions defined in3// file 'LICENSE', which is part of this source code package.4//56#![recursion_limit = "1024"]7#![cfg_attr(not(feature = "std"), no_std)]8#![allow(9	clippy::too_many_arguments,10	clippy::unnecessary_mut_passed,11	clippy::unused_unit12)]1314extern crate alloc;1516pub use serde::{Serialize, Deserialize};1718pub use frame_support::{19	construct_runtime, decl_module, decl_storage, decl_error, decl_event,20	dispatch::DispatchResult,21	ensure, fail, parameter_types,22	traits::{23		ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced, Randomness,24		IsSubType, WithdrawReasons,25	},26	weights::{27		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},28		DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,29		WeightToFeePolynomial, DispatchClass,30	},31	StorageValue, transactional,32	pallet_prelude::{DispatchResultWithPostInfo, ConstU32},33	BoundedVec,34};35use scale_info::TypeInfo;36use frame_system::{self as system, ensure_signed};37use sp_runtime::{sp_std::prelude::Vec};38use up_data_structs::{39	MAX_DECIMAL_POINTS,40	VARIABLE_ON_CHAIN_SCHEMA_LIMIT, CONST_ON_CHAIN_SCHEMA_LIMIT, OFFCHAIN_SCHEMA_LIMIT,41	MAX_COLLECTION_NAME_LENGTH, MAX_COLLECTION_DESCRIPTION_LENGTH,42	MAX_TOKEN_PREFIX_LENGTH, AccessMode, Collection, CreateItemData, CollectionLimits,43	CollectionId, CollectionMode, TokenId, SchemaVersion, SponsorshipState, MetaUpdatePermission,44	CreateCollectionData, CustomDataLimit,45};46use pallet_common::{47	account::CrossAccountId, CollectionHandle, Pallet as PalletCommon, Error as CommonError,48	CommonWeightInfo,49};50use pallet_refungible::{Pallet as PalletRefungible, RefungibleHandle};51use pallet_fungible::{Pallet as PalletFungible, FungibleHandle};52use pallet_nonfungible::{Pallet as PalletNonfungible, NonfungibleHandle};5354#[cfg(test)]55mod mock;5657#[cfg(test)]58mod tests;5960mod eth;61mod sponsorship;62pub use sponsorship::UniqueSponsorshipHandler;63pub use eth::sponsoring::UniqueEthSponsorshipHandler;6465pub use eth::UniqueErcSupport;6667pub mod common;68use common::CommonWeights;69pub mod dispatch;70use dispatch::dispatch_call;7172#[cfg(feature = "runtime-benchmarks")]73mod benchmarking;74pub mod weights;75use weights::WeightInfo;7677decl_error! {78	/// Error for non-fungible-token module.79	pub enum Error for Module<T: Config> {80		/// Decimal_points parameter must be lower than MAX_DECIMAL_POINTS constant, currently it is 30.81		CollectionDecimalPointLimitExceeded,82		/// This address is not set as sponsor, use setCollectionSponsor first.83		ConfirmUnsetSponsorFail,84		/// Length of items properties must be greater than 0.85		EmptyArgument,86	}87}8889pub trait Config:90	system::Config91	+ pallet_evm_coder_substrate::Config92	+ pallet_common::Config93	+ pallet_nonfungible::Config94	+ pallet_refungible::Config95	+ pallet_fungible::Config96	+ Sized97	+ TypeInfo98{99	type Event: From<Event<Self>> + Into<<Self as frame_system::Config>::Event>;100101	/// Weight information for extrinsics in this pallet.102	type WeightInfo: WeightInfo;103}104105decl_event! {106	pub enum Event<T>107	where108		<T as frame_system::Config>::AccountId,109		<T as pallet_common::Config>::CrossAccountId,110	{111		/// Collection sponsor was removed112		///113		/// # Arguments114		///115		/// * collection_id: Globally unique collection identifier.116		CollectionSponsorRemoved(CollectionId),117118		/// Collection admin was added119		///120		/// # Arguments121		///122		/// * collection_id: Globally unique collection identifier.123		///124		/// * admin:  Admin address.125		CollectionAdminAdded(CollectionId, CrossAccountId),126127		/// Collection owned was change128		///129		/// # Arguments130		///131		/// * collection_id: Globally unique collection identifier.132		///133		/// * owner:  New owner address.134		CollectionOwnedChanged(CollectionId, AccountId),135136		/// Collection sponsor was set137		///138		/// # Arguments139		///140		/// * collection_id: Globally unique collection identifier.141		///142		/// * owner:  New sponsor address.143		CollectionSponsorSet(CollectionId, AccountId),144145		/// const on chain schema was set146		///147		/// # Arguments148		///149		/// * collection_id: Globally unique collection identifier.150		ConstOnChainSchemaSet(CollectionId),151152		/// New sponsor was confirm153		///154		/// # Arguments155		///156		/// * collection_id: Globally unique collection identifier.157		///158		/// * sponsor:  New sponsor address.159		SponsorshipConfirmed(CollectionId, AccountId),160161		/// Collection admin was removed162		///163		/// # Arguments164		///165		/// * collection_id: Globally unique collection identifier.166		///167		/// * admin:  Admin address.168		CollectionAdminRemoved(CollectionId, CrossAccountId),169170		/// Address was remove from allow list171		///172		/// # Arguments173		///174		/// * collection_id: Globally unique collection identifier.175		///176		/// * user:  Address.177		AllowListAddressRemoved(CollectionId, CrossAccountId),178179		/// Address was add to allow list180		///181		/// # Arguments182		///183		/// * collection_id: Globally unique collection identifier.184		///185		/// * user:  Address.186		AllowListAddressAdded(CollectionId, CrossAccountId),187188		/// Collection limits was set189		///190		/// # Arguments191		///192		/// * collection_id: Globally unique collection identifier.193		CollectionLimitSet(CollectionId),194195		/// Mint permission	was set196		///197		/// # Arguments198		///199		/// * collection_id: Globally unique collection identifier.200		MintPermissionSet(CollectionId),201202		/// Offchain schema was set203		///204		/// # Arguments205		///206		/// * collection_id: Globally unique collection identifier.207		OffchainSchemaSet(CollectionId),208209		/// Public access mode was set210		///211		/// # Arguments212		///213		/// * collection_id: Globally unique collection identifier.214		///215		/// * mode: New access state.216		PublicAccessModeSet(CollectionId, AccessMode),217218		/// Schema version was set219		///220		/// # Arguments221		///222		/// * collection_id: Globally unique collection identifier.223		SchemaVersionSet(CollectionId),224225		/// Variable on chain schema was set226		///227		/// # Arguments228		///229		/// * collection_id: Globally unique collection identifier.230		VariableOnChainSchemaSet(CollectionId),231	}232}233234type SelfWeightOf<T> = <T as Config>::WeightInfo;235236// # Used definitions237//238// ## User control levels239//240// chain-controlled - key is uncontrolled by user241//                    i.e autoincrementing index242//                    can use non-cryptographic hash243// real - key is controlled by user244//        but it is hard to generate enough colliding values, i.e owner of signed txs245//        can use non-cryptographic hash246// controlled - key is completly controlled by users247//              i.e maps with mutable keys248//              should use cryptographic hash249//250// ## User control level downgrade reasons251//252// ?1 - chain-controlled -> controlled253//      collections/tokens can be destroyed, resulting in massive holes254// ?2 - chain-controlled -> controlled255//      same as ?1, but can be only added, resulting in easier exploitation256// ?3 - real -> controlled257//      no confirmation required, so addresses can be easily generated258decl_storage! {259	trait Store for Module<T: Config> as Unique {260261		//#region Private members262		/// Used for migrations263		ChainVersion: u64;264		//#endregion265266		//#region Tokens transfer rate limit baskets267		/// (Collection id (controlled?2), who created (real))268		/// TODO: Off chain worker should remove from this map when collection gets removed269		pub CreateItemBasket get(fn create_item_basket): map hasher(blake2_128_concat) (CollectionId, T::AccountId) => Option<T::BlockNumber>;270		/// Collection id (controlled?2), token id (controlled?2)271		pub NftTransferBasket get(fn nft_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber>;272		/// Collection id (controlled?2), owning user (real)273		pub FungibleTransferBasket get(fn fungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => Option<T::BlockNumber>;274		/// Collection id (controlled?2), token id (controlled?2)275		pub ReFungibleTransferBasket get(fn refungible_transfer_basket): nmap hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId, hasher(twox_64_concat) T::AccountId => Option<T::BlockNumber>;276		//#endregion277278		/// Variable metadata sponsoring279		/// Collection id (controlled?2), token id (controlled?2)280		pub VariableMetaDataBasket get(fn variable_meta_data_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber>;281		/// Approval sponsoring282		pub NftApproveBasket get(fn nft_approve_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber>;283		pub FungibleApproveBasket get(fn fungible_approve_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => Option<T::BlockNumber>;284		pub RefungibleApproveBasket get(fn refungible_approve_basket): nmap hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId, hasher(twox_64_concat) T::AccountId => Option<T::BlockNumber>;285	}286}287288decl_module! {289	pub struct Module<T: Config> for enum Call290	where291		origin: T::Origin292	{293		type Error = Error<T>;294295		fn deposit_event() = default;296297		fn on_initialize(_now: T::BlockNumber) -> Weight {298			0299		}300301		/// This method creates a Collection of NFTs. Each Token may have multiple properties encoded as an array of bytes of certain length. The initial owner of the collection is set to the address that signed the transaction and can be changed later.302		///303		/// # Permissions304		///305		/// * Anyone.306		///307		/// # Arguments308		///309		/// * collection_name: UTF-16 string with collection name (limit 64 characters), will be stored as zero-terminated.310		///311		/// * collection_description: UTF-16 string with collection description (limit 256 characters), will be stored as zero-terminated.312		///313		/// * token_prefix: UTF-8 string with token prefix.314		///315		/// * mode: [CollectionMode] collection type and type dependent data.316		// returns collection ID317		#[weight = <SelfWeightOf<T>>::create_collection()]318		#[transactional]319		#[deprecated]320		pub fn create_collection(origin,321								 collection_name: BoundedVec<u16, ConstU32<MAX_COLLECTION_NAME_LENGTH>>,322								 collection_description: BoundedVec<u16, ConstU32<MAX_COLLECTION_DESCRIPTION_LENGTH>>,323								 token_prefix: BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>,324								 mode: CollectionMode) -> DispatchResult  {325			let data: CreateCollectionData<T::AccountId> = CreateCollectionData {326				name: collection_name,327				description: collection_description,328				token_prefix,329				mode,330				..Default::default()331			};332			Self::create_collection_ex(origin, data)333		}334335		/// This method creates a collection336		///337		/// Prefer it to deprecated [`created_collection`] method338		#[weight = <SelfWeightOf<T>>::create_collection()]339		#[transactional]340		pub fn create_collection_ex(origin, data: CreateCollectionData<T::AccountId>) -> DispatchResult {341			let owner = ensure_signed(origin)?;342343			let _id = match data.mode {344				CollectionMode::NFT => {<PalletNonfungible<T>>::init_collection(owner, data)?},345				CollectionMode::Fungible(decimal_points) => {346					// check params347					ensure!(decimal_points <= MAX_DECIMAL_POINTS, Error::<T>::CollectionDecimalPointLimitExceeded);348					<PalletFungible<T>>::init_collection(owner, data)?349				}350				CollectionMode::ReFungible => {351					<PalletRefungible<T>>::init_collection(owner, data)?352				}353			};354355			Ok(())356		}357358		/// **DANGEROUS**: Destroys collection and all NFTs within this collection. Users irrecoverably lose their assets and may lose real money.359		///360		/// # Permissions361		///362		/// * Collection Owner.363		///364		/// # Arguments365		///366		/// * collection_id: collection to destroy.367		#[weight = <SelfWeightOf<T>>::destroy_collection()]368		#[transactional]369		pub fn destroy_collection(origin, collection_id: CollectionId) -> DispatchResult {370			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);371372			let collection = <CollectionHandle<T>>::try_get(collection_id)?;373			collection.check_is_owner(&sender)?;374375			// =========376377			match collection.mode {378				CollectionMode::ReFungible => PalletRefungible::destroy_collection(RefungibleHandle::cast(collection), &sender)?,379				CollectionMode::Fungible(_) => PalletFungible::destroy_collection(FungibleHandle::cast(collection), &sender)?,380				CollectionMode::NFT => PalletNonfungible::destroy_collection(NonfungibleHandle::cast(collection), &sender)?,381			}382383			<NftTransferBasket<T>>::remove_prefix(collection_id, None);384			<FungibleTransferBasket<T>>::remove_prefix(collection_id, None);385			<ReFungibleTransferBasket<T>>::remove_prefix((collection_id,), None);386387			<VariableMetaDataBasket<T>>::remove_prefix(collection_id, None);388			<NftApproveBasket<T>>::remove_prefix(collection_id, None);389			<FungibleApproveBasket<T>>::remove_prefix(collection_id, None);390			<RefungibleApproveBasket<T>>::remove_prefix((collection_id,), None);391392			Ok(())393		}394395		/// Add an address to allow list.396		///397		/// # Permissions398		///399		/// * Collection Owner400		/// * Collection Admin401		///402		/// # Arguments403		///404		/// * collection_id.405		///406		/// * address.407		#[weight = <SelfWeightOf<T>>::add_to_allow_list()]408		#[transactional]409		pub fn add_to_allow_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{410411			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);412			let collection = <CollectionHandle<T>>::try_get(collection_id)?;413414			<PalletCommon<T>>::toggle_allowlist(415				&collection,416				&sender,417				&address,418				true,419			)?;420421			Self::deposit_event(Event::<T>::AllowListAddressAdded(422				collection_id,423				address424			));425426			Ok(())427		}428429		/// Remove an address from allow list.430		///431		/// # Permissions432		///433		/// * Collection Owner434		/// * Collection Admin435		///436		/// # Arguments437		///438		/// * collection_id.439		///440		/// * address.441		#[weight = <SelfWeightOf<T>>::remove_from_allow_list()]442		#[transactional]443		pub fn remove_from_allow_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{444445			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);446			let collection = <CollectionHandle<T>>::try_get(collection_id)?;447448			<PalletCommon<T>>::toggle_allowlist(449				&collection,450				&sender,451				&address,452				false,453			)?;454455			<Pallet<T>>::deposit_event(Event::<T>::AllowListAddressRemoved(456				collection_id,457				address458			));459460			Ok(())461		}462463		/// Toggle between normal and allow list access for the methods with access for `Anyone`.464		///465		/// # Permissions466		///467		/// * Collection Owner.468		///469		/// # Arguments470		///471		/// * collection_id.472		///473		/// * mode: [AccessMode]474		#[weight = <SelfWeightOf<T>>::set_public_access_mode()]475		#[transactional]476		pub fn set_public_access_mode(origin, collection_id: CollectionId, mode: AccessMode) -> DispatchResult477		{478			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);479480			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;481			target_collection.check_is_owner(&sender)?;482483			target_collection.access = mode.clone();484485			<Pallet<T>>::deposit_event(Event::<T>::PublicAccessModeSet(486				collection_id,487				mode488			));489490			target_collection.save()491		}492493		/// Allows Anyone to create tokens if:494		/// * Allow List is enabled, and495		/// * Address is added to allow list, and496		/// * This method was called with True parameter497		///498		/// # Permissions499		/// * Collection Owner500		///501		/// # Arguments502		///503		/// * collection_id.504		///505		/// * mint_permission: Boolean parameter. If True, allows minting to Anyone with conditions above.506		#[weight = <SelfWeightOf<T>>::set_mint_permission()]507		#[transactional]508		pub fn set_mint_permission(origin, collection_id: CollectionId, mint_permission: bool) -> DispatchResult509		{510			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);511512			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;513			target_collection.check_is_owner(&sender)?;514515			target_collection.mint_mode = mint_permission;516517			<Pallet<T>>::deposit_event(Event::<T>::MintPermissionSet(518				collection_id519			));520521			target_collection.save()522		}523524		/// Change the owner of the collection.525		///526		/// # Permissions527		///528		/// * Collection Owner.529		///530		/// # Arguments531		///532		/// * collection_id.533		///534		/// * new_owner.535		#[weight = <SelfWeightOf<T>>::change_collection_owner()]536		#[transactional]537		pub fn change_collection_owner(origin, collection_id: CollectionId, new_owner: T::AccountId) -> DispatchResult {538539			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);540541			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;542			target_collection.check_is_owner(&sender)?;543544			target_collection.owner = new_owner.clone();545			<Pallet<T>>::deposit_event(Event::<T>::CollectionOwnedChanged(546				collection_id,547				new_owner548			));549550			target_collection.save()551		}552553		/// Adds an admin of the Collection.554		/// NFT Collection can be controlled by multiple admin addresses (some which can also be servers, for example). Admins can issue and burn NFTs, as well as add and remove other admins, but cannot change NFT or Collection ownership.555		///556		/// # Permissions557		///558		/// * Collection Owner.559		/// * Collection Admin.560		///561		/// # Arguments562		///563		/// * collection_id: ID of the Collection to add admin for.564		///565		/// * new_admin_id: Address of new admin to add.566		#[weight = <SelfWeightOf<T>>::add_collection_admin()]567		#[transactional]568		pub fn add_collection_admin(origin, collection_id: CollectionId, new_admin_id: T::CrossAccountId) -> DispatchResult {569			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);570			let collection = <CollectionHandle<T>>::try_get(collection_id)?;571572			<Pallet<T>>::deposit_event(Event::<T>::CollectionAdminAdded(573				collection_id,574				new_admin_id.clone()575			));576577			<PalletCommon<T>>::toggle_admin(&collection, &sender, &new_admin_id, true)578		}579580		/// Remove admin address of the Collection. An admin address can remove itself. List of admins may become empty, in which case only Collection Owner will be able to add an Admin.581		///582		/// # Permissions583		///584		/// * Collection Owner.585		/// * Collection Admin.586		///587		/// # Arguments588		///589		/// * collection_id: ID of the Collection to remove admin for.590		///591		/// * account_id: Address of admin to remove.592		#[weight = <SelfWeightOf<T>>::remove_collection_admin()]593		#[transactional]594		pub fn remove_collection_admin(origin, collection_id: CollectionId, account_id: T::CrossAccountId) -> DispatchResult {595			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);596			let collection = <CollectionHandle<T>>::try_get(collection_id)?;597598			<Pallet<T>>::deposit_event(Event::<T>::CollectionAdminRemoved(599				collection_id,600				account_id.clone()601			));602603			<PalletCommon<T>>::toggle_admin(&collection, &sender, &account_id, false)604		}605606		/// # Permissions607		///608		/// * Collection Owner609		///610		/// # Arguments611		///612		/// * collection_id.613		///614		/// * new_sponsor.615		#[weight = <SelfWeightOf<T>>::set_collection_sponsor()]616		#[transactional]617		pub fn set_collection_sponsor(origin, collection_id: CollectionId, new_sponsor: T::AccountId) -> DispatchResult {618			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);619620			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;621			target_collection.check_is_owner(&sender)?;622623			target_collection.sponsorship = SponsorshipState::Unconfirmed(new_sponsor.clone());624625			<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorSet(626				collection_id,627				new_sponsor628			));629630			target_collection.save()631		}632633		/// # Permissions634		///635		/// * Sponsor.636		///637		/// # Arguments638		///639		/// * collection_id.640		#[weight = <SelfWeightOf<T>>::confirm_sponsorship()]641		#[transactional]642		pub fn confirm_sponsorship(origin, collection_id: CollectionId) -> DispatchResult {643			let sender = ensure_signed(origin)?;644645			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;646			ensure!(647				target_collection.sponsorship.pending_sponsor() == Some(&sender),648				Error::<T>::ConfirmUnsetSponsorFail649			);650651			target_collection.sponsorship = SponsorshipState::Confirmed(sender.clone());652653			<Pallet<T>>::deposit_event(Event::<T>::SponsorshipConfirmed(654				collection_id,655				sender656			));657658			target_collection.save()659		}660661		/// Switch back to pay-per-own-transaction model.662		///663		/// # Permissions664		///665		/// * Collection owner.666		///667		/// # Arguments668		///669		/// * collection_id.670		#[weight = <SelfWeightOf<T>>::remove_collection_sponsor()]671		#[transactional]672		pub fn remove_collection_sponsor(origin, collection_id: CollectionId) -> DispatchResult {673			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);674675			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;676			target_collection.check_is_owner(&sender)?;677678			target_collection.sponsorship = SponsorshipState::Disabled;679680			<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorRemoved(681				collection_id682			));683			target_collection.save()684		}685686		/// This method creates a concrete instance of NFT Collection created with CreateCollection method.687		///688		/// # Permissions689		///690		/// * Collection Owner.691		/// * Collection Admin.692		/// * Anyone if693		///     * Allow List is enabled, and694		///     * Address is added to allow list, and695		///     * MintPermission is enabled (see SetMintPermission method)696		///697		/// # Arguments698		///699		/// * collection_id: ID of the collection.700		///701		/// * owner: Address, initial owner of the NFT.702		///703		/// * data: Token data to store on chain.704		#[weight = <CommonWeights<T>>::create_item()]705		#[transactional]706		pub fn create_item(origin, collection_id: CollectionId, owner: T::CrossAccountId, data: CreateItemData) -> DispatchResultWithPostInfo {707			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);708709			dispatch_call::<T, _>(collection_id, |d| d.create_item(sender, owner, data))710		}711712		/// This method creates multiple items in a collection created with CreateCollection method.713		///714		/// # Permissions715		///716		/// * Collection Owner.717		/// * Collection Admin.718		/// * Anyone if719		///     * Allow List is enabled, and720		///     * Address is added to allow list, and721		///     * MintPermission is enabled (see SetMintPermission method)722		///723		/// # Arguments724		///725		/// * collection_id: ID of the collection.726		///727		/// * itemsData: Array items properties. Each property is an array of bytes itself, see [create_item].728		///729		/// * owner: Address, initial owner of the NFT.730		#[weight = <CommonWeights<T>>::create_multiple_items(items_data.len() as u32)]731		#[transactional]732		pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::CrossAccountId, items_data: Vec<CreateItemData>) -> DispatchResultWithPostInfo {733			ensure!(!items_data.is_empty(), Error::<T>::EmptyArgument);734			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);735736			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items(sender, owner, items_data))737		}738739		// TODO! transaction weight740741		/// Set transfers_enabled value for particular collection742		///743		/// # Permissions744		///745		/// * Collection Owner.746		///747		/// # Arguments748		///749		/// * collection_id: ID of the collection.750		///751		/// * value: New flag value.752		#[weight = <SelfWeightOf<T>>::set_transfers_enabled_flag()]753		#[transactional]754		pub fn set_transfers_enabled_flag(origin, collection_id: CollectionId, value: bool) -> DispatchResult {755			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);756			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;757			target_collection.check_is_owner(&sender)?;758759			// =========760761			target_collection.limits.transfers_enabled = Some(value);762			target_collection.save()763		}764765		/// Destroys a concrete instance of NFT.766		///767		/// # Permissions768		///769		/// * Collection Owner.770		/// * Collection Admin.771		/// * Current NFT Owner.772		///773		/// # Arguments774		///775		/// * collection_id: ID of the collection.776		///777		/// * item_id: ID of NFT to burn.778		#[weight = <CommonWeights<T>>::burn_item()]779		#[transactional]780		pub fn burn_item(origin, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {781			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);782783			let post_info = dispatch_call::<T, _>(collection_id, |d| d.burn_item(sender, item_id, value))?;784			if value == 1 {785				<NftTransferBasket<T>>::remove(collection_id, item_id);786				<NftApproveBasket<T>>::remove(collection_id, item_id);787			}788			// Those maps should be cleared only if token disappears completly, need to move this part of logic to pallets?789			// <FungibleApproveBasket<T>>::remove(collection_id, sender.as_sub());790			// <RefungibleApproveBasket<T>>::remove((collection_id, item_id, sender.as_sub()));791			Ok(post_info)792		}793794		/// Destroys a concrete instance of NFT on behalf of the owner795		/// See also: [`approve`]796		///797		/// # Permissions798		///799		/// * Collection Owner.800		/// * Collection Admin.801		/// * Current NFT Owner.802		///803		/// # Arguments804		///805		/// * collection_id: ID of the collection.806		///807		/// * item_id: ID of NFT to burn.808		///809		/// * from: owner of item810		#[weight = <CommonWeights<T>>::burn_from()]811		#[transactional]812		pub fn burn_from(origin, collection_id: CollectionId, from: T::CrossAccountId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {813			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);814815			dispatch_call::<T, _>(collection_id, |d| d.burn_from(sender, from, item_id, value))816		}817818		/// Change ownership of the token.819		///820		/// # Permissions821		///822		/// * Collection Owner823		/// * Collection Admin824		/// * Current NFT owner825		///826		/// # Arguments827		///828		/// * recipient: Address of token recipient.829		///830		/// * collection_id.831		///832		/// * item_id: ID of the item833		///     * Non-Fungible Mode: Required.834		///     * Fungible Mode: Ignored.835		///     * Re-Fungible Mode: Required.836		///837		/// * value: Amount to transfer.838		///     * Non-Fungible Mode: Ignored839		///     * Fungible Mode: Must specify transferred amount840		///     * Re-Fungible Mode: Must specify transferred portion (between 0 and 1)841		#[weight = <CommonWeights<T>>::transfer()]842		#[transactional]843		pub fn transfer(origin, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {844			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);845846			dispatch_call::<T, _>(collection_id, |d| d.transfer(sender, recipient, item_id, value))847		}848849		/// Set, change, or remove approved address to transfer the ownership of the NFT.850		///851		/// # Permissions852		///853		/// * Collection Owner854		/// * Collection Admin855		/// * Current NFT owner856		///857		/// # Arguments858		///859		/// * approved: Address that is approved to transfer this NFT or zero (if needed to remove approval).860		///861		/// * collection_id.862		///863		/// * item_id: ID of the item.864		#[weight = <CommonWeights<T>>::approve()]865		#[transactional]866		pub fn approve(origin, spender: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResultWithPostInfo {867			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);868869			dispatch_call::<T, _>(collection_id, |d| d.approve(sender, spender, item_id, amount))870		}871872		/// Change ownership of a NFT on behalf of the owner. See Approve method for additional information. After this method executes, the approval is removed so that the approved address will not be able to transfer this NFT again from this owner.873		///874		/// # Permissions875		/// * Collection Owner876		/// * Collection Admin877		/// * Current NFT owner878		/// * Address approved by current NFT owner879		///880		/// # Arguments881		///882		/// * from: Address that owns token.883		///884		/// * recipient: Address of token recipient.885		///886		/// * collection_id.887		///888		/// * item_id: ID of the item.889		///890		/// * value: Amount to transfer.891		#[weight = <CommonWeights<T>>::transfer_from()]892		#[transactional]893		pub fn transfer_from(origin, from: T::CrossAccountId, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128 ) -> DispatchResultWithPostInfo {894			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);895896			dispatch_call::<T, _>(collection_id, |d| d.transfer_from(sender, from, recipient, item_id, value))897		}898899		/// Set off-chain data schema.900		///901		/// # Permissions902		///903		/// * Collection Owner904		/// * Collection Admin905		///906		/// # Arguments907		///908		/// * collection_id.909		///910		/// * schema: String representing the offchain data schema.911		#[weight = <CommonWeights<T>>::set_variable_metadata(data.len() as u32)]912		#[transactional]913		pub fn set_variable_meta_data (914			origin,915			collection_id: CollectionId,916			item_id: TokenId,917			data: BoundedVec<u8, CustomDataLimit>,918		) -> DispatchResultWithPostInfo {919			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);920921			dispatch_call::<T, _>(collection_id, |d| d.set_variable_metadata(sender, item_id, data))922		}923924		/// Set meta_update_permission value for particular collection925		///926		/// # Permissions927		///928		/// * Collection Owner.929		///930		/// # Arguments931		///932		/// * collection_id: ID of the collection.933		///934		/// * value: New flag value.935		#[weight = <SelfWeightOf<T>>::set_meta_update_permission_flag()]936		#[transactional]937		pub fn set_meta_update_permission_flag(origin, collection_id: CollectionId, value: MetaUpdatePermission) -> DispatchResult {938			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);939			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;940941			ensure!(942				target_collection.meta_update_permission != MetaUpdatePermission::None,943				<CommonError<T>>::MetadataFlagFrozen,944			);945			target_collection.check_is_owner(&sender)?;946947			target_collection.meta_update_permission = value;948949			target_collection.save()950		}951952		/// Set schema standard953		/// ImageURL954		/// Unique955		///956		/// # Permissions957		///958		/// * Collection Owner959		/// * Collection Admin960		///961		/// # Arguments962		///963		/// * collection_id.964		///965		/// * schema: SchemaVersion: enum966		#[weight = <SelfWeightOf<T>>::set_schema_version()]967		#[transactional]968		pub fn set_schema_version(969			origin,970			collection_id: CollectionId,971			version: SchemaVersion972		) -> DispatchResult {973			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);974			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;975			target_collection.check_is_owner_or_admin(&sender)?;976			target_collection.schema_version = version;977978			<Pallet<T>>::deposit_event(Event::<T>::SchemaVersionSet(979				collection_id980			));981982			target_collection.save()983		}984985		/// Set off-chain data schema.986		///987		/// # Permissions988		///989		/// * Collection Owner990		/// * Collection Admin991		///992		/// # Arguments993		///994		/// * collection_id.995		///996		/// * schema: String representing the offchain data schema.997		#[weight = <SelfWeightOf<T>>::set_offchain_schema(schema.len() as u32)]998		#[transactional]999		pub fn set_offchain_schema(1000			origin,1001			collection_id: CollectionId,1002			schema: BoundedVec<u8, ConstU32<OFFCHAIN_SCHEMA_LIMIT>>,1003		) -> DispatchResult {1004			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1005			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1006			target_collection.check_is_owner_or_admin(&sender)?;10071008			target_collection.offchain_schema = schema;10091010			<Pallet<T>>::deposit_event(Event::<T>::OffchainSchemaSet(1011				collection_id1012			));10131014			target_collection.save()1015		}10161017		/// Set const on-chain data schema.1018		///1019		/// # Permissions1020		///1021		/// * Collection Owner1022		/// * Collection Admin1023		///1024		/// # Arguments1025		///1026		/// * collection_id.1027		///1028		/// * schema: String representing the const on-chain data schema.1029		#[weight = <SelfWeightOf<T>>::set_const_on_chain_schema(schema.len() as u32)]1030		#[transactional]1031		pub fn set_const_on_chain_schema (1032			origin,1033			collection_id: CollectionId,1034			schema: BoundedVec<u8, ConstU32<CONST_ON_CHAIN_SCHEMA_LIMIT>>1035		) -> DispatchResult {1036			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1037			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1038			target_collection.check_is_owner_or_admin(&sender)?;10391040			target_collection.const_on_chain_schema = schema;10411042			<Pallet<T>>::deposit_event(Event::<T>::ConstOnChainSchemaSet(1043				collection_id1044			));10451046			target_collection.save()1047		}10481049		/// Set variable on-chain data schema.1050		///1051		/// # Permissions1052		///1053		/// * Collection Owner1054		/// * Collection Admin1055		///1056		/// # Arguments1057		///1058		/// * collection_id.1059		///1060		/// * schema: String representing the variable on-chain data schema.1061		#[weight = <SelfWeightOf<T>>::set_const_on_chain_schema(schema.len() as u32)]1062		#[transactional]1063		pub fn set_variable_on_chain_schema (1064			origin,1065			collection_id: CollectionId,1066			schema: BoundedVec<u8, ConstU32<VARIABLE_ON_CHAIN_SCHEMA_LIMIT>>1067		) -> DispatchResult {1068			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1069			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1070			target_collection.check_is_owner_or_admin(&sender)?;10711072			target_collection.variable_on_chain_schema = schema;10731074			<Pallet<T>>::deposit_event(Event::<T>::VariableOnChainSchemaSet(1075				collection_id1076			));10771078			target_collection.save()1079		}10801081		#[weight = <SelfWeightOf<T>>::set_collection_limits()]1082		#[transactional]1083		pub fn set_collection_limits(1084			origin,1085			collection_id: CollectionId,1086			new_limit: CollectionLimits,1087		) -> DispatchResult {1088			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1089			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1090			target_collection.check_is_owner(&sender)?;1091			let old_limit = &target_collection.limits;10921093			target_collection.limits = <PalletCommon<T>>::clamp_limits(target_collection.mode.clone(), &old_limit, new_limit)?;10941095			<Pallet<T>>::deposit_event(Event::<T>::CollectionLimitSet(1096				collection_id1097			));10981099			target_collection.save()1100		}1101	}1102}