git.delta.rocks / unique-network / refs/commits / 3ae92b8aacb2

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#![recursion_limit = "1024"]18#![cfg_attr(not(feature = "std"), no_std)]19#![allow(20	clippy::too_many_arguments,21	clippy::unnecessary_mut_passed,22	clippy::unused_unit23)]2425extern crate alloc;2627pub use serde::{Serialize, Deserialize};2829use frame_support::{30	decl_module, decl_storage, decl_error, decl_event,31	dispatch::DispatchResult,32	ensure,33	weights::{Weight},34	transactional,35	pallet_prelude::{DispatchResultWithPostInfo, ConstU32},36	BoundedVec,37};38use scale_info::TypeInfo;39use frame_system::{self as system, ensure_signed};40use sp_runtime::{sp_std::prelude::Vec};41use up_data_structs::{42	VARIABLE_ON_CHAIN_SCHEMA_LIMIT, CONST_ON_CHAIN_SCHEMA_LIMIT, OFFCHAIN_SCHEMA_LIMIT,43	MAX_COLLECTION_NAME_LENGTH, MAX_COLLECTION_DESCRIPTION_LENGTH, MAX_TOKEN_PREFIX_LENGTH,44	AccessMode, CreateItemData, CollectionLimits, CollectionId, CollectionMode, TokenId,45	SchemaVersion, SponsorshipState, MetaUpdatePermission, CreateCollectionData, CustomDataLimit,46	CreateItemExData,47};48use pallet_evm::account::CrossAccountId;49use pallet_common::{50	CollectionHandle, Pallet as PalletCommon, Error as CommonError, CommonWeightInfo,51	dispatch::dispatch_call, dispatch::CollectionDispatch,52};5354#[cfg(test)]55mod mock;5657#[cfg(test)]58mod tests;5960mod eth;61mod sponsorship;62pub use sponsorship::{UniqueSponsorshipHandler, UniqueSponsorshipPredict};63pub use eth::sponsoring::UniqueEthSponsorshipHandler;6465pub mod common;66use common::CommonWeights;6768#[cfg(feature = "runtime-benchmarks")]69mod benchmarking;70pub mod weights;71use weights::WeightInfo;7273pub trait SponsorshipPredict<T: Config> {74	fn predict(collection: CollectionId, account: T::CrossAccountId, token: TokenId) -> Option<u64>75	where76		u64: From<<T as frame_system::Config>::BlockNumber>;77}7879decl_error! {80	/// Error for non-fungible-token module.81	pub enum Error for Module<T: Config> {82		/// Decimal_points parameter must be lower than MAX_DECIMAL_POINTS constant, currently it is 30.83		CollectionDecimalPointLimitExceeded,84		/// This address is not set as sponsor, use setCollectionSponsor first.85		ConfirmUnsetSponsorFail,86		/// Length of items properties must be greater than 0.87		EmptyArgument,88	}89}9091pub trait Config:92	system::Config93	+ pallet_evm_coder_substrate::Config94	+ pallet_common::Config95	+ pallet_nonfungible::Config96	+ pallet_refungible::Config97	+ pallet_fungible::Config98	+ Sized99	+ TypeInfo100{101	type Event: From<Event<Self>> + Into<<Self as frame_system::Config>::Event>;102103	/// Weight information for extrinsics in this pallet.104	type WeightInfo: WeightInfo;105}106107decl_event! {108	pub enum Event<T>109	where110		<T as frame_system::Config>::AccountId,111		<T as pallet_evm::account::Config>::CrossAccountId,112	{113		/// Collection sponsor was removed114		///115		/// # Arguments116		///117		/// * collection_id: Globally unique collection identifier.118		CollectionSponsorRemoved(CollectionId),119120		/// Collection admin was added121		///122		/// # Arguments123		///124		/// * collection_id: Globally unique collection identifier.125		///126		/// * admin:  Admin address.127		CollectionAdminAdded(CollectionId, CrossAccountId),128129		/// Collection owned was change130		///131		/// # Arguments132		///133		/// * collection_id: Globally unique collection identifier.134		///135		/// * owner:  New owner address.136		CollectionOwnedChanged(CollectionId, AccountId),137138		/// Collection sponsor was set139		///140		/// # Arguments141		///142		/// * collection_id: Globally unique collection identifier.143		///144		/// * owner:  New sponsor address.145		CollectionSponsorSet(CollectionId, AccountId),146147		/// const on chain schema was set148		///149		/// # Arguments150		///151		/// * collection_id: Globally unique collection identifier.152		ConstOnChainSchemaSet(CollectionId),153154		/// New sponsor was confirm155		///156		/// # Arguments157		///158		/// * collection_id: Globally unique collection identifier.159		///160		/// * sponsor:  New sponsor address.161		SponsorshipConfirmed(CollectionId, AccountId),162163		/// Collection admin was removed164		///165		/// # Arguments166		///167		/// * collection_id: Globally unique collection identifier.168		///169		/// * admin:  Admin address.170		CollectionAdminRemoved(CollectionId, CrossAccountId),171172		/// Address was remove from allow list173		///174		/// # Arguments175		///176		/// * collection_id: Globally unique collection identifier.177		///178		/// * user:  Address.179		AllowListAddressRemoved(CollectionId, CrossAccountId),180181		/// Address was add to allow list182		///183		/// # Arguments184		///185		/// * collection_id: Globally unique collection identifier.186		///187		/// * user:  Address.188		AllowListAddressAdded(CollectionId, CrossAccountId),189190		/// Collection limits was set191		///192		/// # Arguments193		///194		/// * collection_id: Globally unique collection identifier.195		CollectionLimitSet(CollectionId),196197		/// Mint permission	was set198		///199		/// # Arguments200		///201		/// * collection_id: Globally unique collection identifier.202		MintPermissionSet(CollectionId),203204		/// Offchain schema was set205		///206		/// # Arguments207		///208		/// * collection_id: Globally unique collection identifier.209		OffchainSchemaSet(CollectionId),210211		/// Public access mode was set212		///213		/// # Arguments214		///215		/// * collection_id: Globally unique collection identifier.216		///217		/// * mode: New access state.218		PublicAccessModeSet(CollectionId, AccessMode),219220		/// Schema version was set221		///222		/// # Arguments223		///224		/// * collection_id: Globally unique collection identifier.225		SchemaVersionSet(CollectionId),226227		/// Variable on chain schema was set228		///229		/// # Arguments230		///231		/// * collection_id: Globally unique collection identifier.232		VariableOnChainSchemaSet(CollectionId),233	}234}235236type SelfWeightOf<T> = <T as Config>::WeightInfo;237238// # Used definitions239//240// ## User control levels241//242// chain-controlled - key is uncontrolled by user243//                    i.e autoincrementing index244//                    can use non-cryptographic hash245// real - key is controlled by user246//        but it is hard to generate enough colliding values, i.e owner of signed txs247//        can use non-cryptographic hash248// controlled - key is completly controlled by users249//              i.e maps with mutable keys250//              should use cryptographic hash251//252// ## User control level downgrade reasons253//254// ?1 - chain-controlled -> controlled255//      collections/tokens can be destroyed, resulting in massive holes256// ?2 - chain-controlled -> controlled257//      same as ?1, but can be only added, resulting in easier exploitation258// ?3 - real -> controlled259//      no confirmation required, so addresses can be easily generated260decl_storage! {261	trait Store for Module<T: Config> as Unique {262263		//#region Private members264		/// Used for migrations265		ChainVersion: u64;266		//#endregion267268		//#region Tokens transfer rate limit baskets269		/// (Collection id (controlled?2), who created (real))270		/// TODO: Off chain worker should remove from this map when collection gets removed271		pub CreateItemBasket get(fn create_item_basket): map hasher(blake2_128_concat) (CollectionId, T::AccountId) => Option<T::BlockNumber>;272		/// Collection id (controlled?2), token id (controlled?2)273		pub NftTransferBasket get(fn nft_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber>;274		/// Collection id (controlled?2), owning user (real)275		pub FungibleTransferBasket get(fn fungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => Option<T::BlockNumber>;276		/// Collection id (controlled?2), token id (controlled?2)277		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>;278		//#endregion279280		/// Variable metadata sponsoring281		/// Collection id (controlled?2), token id (controlled?2)282		pub VariableMetaDataBasket get(fn variable_meta_data_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber>;283		/// Approval sponsoring284		pub NftApproveBasket get(fn nft_approve_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber>;285		pub FungibleApproveBasket get(fn fungible_approve_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => Option<T::BlockNumber>;286		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>;287	}288}289290decl_module! {291	pub struct Module<T: Config> for enum Call292	where293		origin: T::Origin294	{295		type Error = Error<T>;296297		fn deposit_event() = default;298299		fn on_initialize(_now: T::BlockNumber) -> Weight {300			0301		}302303		/// 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.304		///305		/// # Permissions306		///307		/// * Anyone.308		///309		/// # Arguments310		///311		/// * collection_name: UTF-16 string with collection name (limit 64 characters), will be stored as zero-terminated.312		///313		/// * collection_description: UTF-16 string with collection description (limit 256 characters), will be stored as zero-terminated.314		///315		/// * token_prefix: UTF-8 string with token prefix.316		///317		/// * mode: [CollectionMode] collection type and type dependent data.318		// returns collection ID319		#[weight = <SelfWeightOf<T>>::create_collection()]320		#[transactional]321		#[deprecated]322		pub fn create_collection(origin,323								 collection_name: BoundedVec<u16, ConstU32<MAX_COLLECTION_NAME_LENGTH>>,324								 collection_description: BoundedVec<u16, ConstU32<MAX_COLLECTION_DESCRIPTION_LENGTH>>,325								 token_prefix: BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>,326								 mode: CollectionMode) -> DispatchResult  {327			let data: CreateCollectionData<T::AccountId> = CreateCollectionData {328				name: collection_name,329				description: collection_description,330				token_prefix,331				mode,332				..Default::default()333			};334			Self::create_collection_ex(origin, data)335		}336337		/// This method creates a collection338		///339		/// Prefer it to deprecated [`created_collection`] method340		#[weight = <SelfWeightOf<T>>::create_collection()]341		#[transactional]342		pub fn create_collection_ex(origin, data: CreateCollectionData<T::AccountId>) -> DispatchResult {343			let sender = ensure_signed(origin)?;344345			// =========346347			T::CollectionDispatch::create(sender, data)?;348349			Ok(())350		}351352		/// **DANGEROUS**: Destroys collection and all NFTs within this collection. Users irrecoverably lose their assets and may lose real money.353		///354		/// # Permissions355		///356		/// * Collection Owner.357		///358		/// # Arguments359		///360		/// * collection_id: collection to destroy.361		#[weight = <SelfWeightOf<T>>::destroy_collection()]362		#[transactional]363		pub fn destroy_collection(origin, collection_id: CollectionId) -> DispatchResult {364			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);365			let collection = <CollectionHandle<T>>::try_get(collection_id)?;366367			// =========368369			T::CollectionDispatch::destroy(sender, collection)?;370371			<NftTransferBasket<T>>::remove_prefix(collection_id, None);372			<FungibleTransferBasket<T>>::remove_prefix(collection_id, None);373			<ReFungibleTransferBasket<T>>::remove_prefix((collection_id,), None);374375			<VariableMetaDataBasket<T>>::remove_prefix(collection_id, None);376			<NftApproveBasket<T>>::remove_prefix(collection_id, None);377			<FungibleApproveBasket<T>>::remove_prefix(collection_id, None);378			<RefungibleApproveBasket<T>>::remove_prefix((collection_id,), None);379380			Ok(())381		}382383		/// Add an address to allow list.384		///385		/// # Permissions386		///387		/// * Collection Owner388		/// * Collection Admin389		///390		/// # Arguments391		///392		/// * collection_id.393		///394		/// * address.395		#[weight = <SelfWeightOf<T>>::add_to_allow_list()]396		#[transactional]397		pub fn add_to_allow_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{398399			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);400			let collection = <CollectionHandle<T>>::try_get(collection_id)?;401402			<PalletCommon<T>>::toggle_allowlist(403				&collection,404				&sender,405				&address,406				true,407			)?;408409			Self::deposit_event(Event::<T>::AllowListAddressAdded(410				collection_id,411				address412			));413414			Ok(())415		}416417		/// Remove an address from allow list.418		///419		/// # Permissions420		///421		/// * Collection Owner422		/// * Collection Admin423		///424		/// # Arguments425		///426		/// * collection_id.427		///428		/// * address.429		#[weight = <SelfWeightOf<T>>::remove_from_allow_list()]430		#[transactional]431		pub fn remove_from_allow_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{432433			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);434			let collection = <CollectionHandle<T>>::try_get(collection_id)?;435436			<PalletCommon<T>>::toggle_allowlist(437				&collection,438				&sender,439				&address,440				false,441			)?;442443			<Pallet<T>>::deposit_event(Event::<T>::AllowListAddressRemoved(444				collection_id,445				address446			));447448			Ok(())449		}450451		/// Toggle between normal and allow list access for the methods with access for `Anyone`.452		///453		/// # Permissions454		///455		/// * Collection Owner.456		///457		/// # Arguments458		///459		/// * collection_id.460		///461		/// * mode: [AccessMode]462		#[weight = <SelfWeightOf<T>>::set_public_access_mode()]463		#[transactional]464		pub fn set_public_access_mode(origin, collection_id: CollectionId, mode: AccessMode) -> DispatchResult465		{466			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);467468			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;469			target_collection.check_is_owner(&sender)?;470471			target_collection.access = mode.clone();472473			<Pallet<T>>::deposit_event(Event::<T>::PublicAccessModeSet(474				collection_id,475				mode476			));477478			target_collection.save()479		}480481		/// Allows Anyone to create tokens if:482		/// * Allow List is enabled, and483		/// * Address is added to allow list, and484		/// * This method was called with True parameter485		///486		/// # Permissions487		/// * Collection Owner488		///489		/// # Arguments490		///491		/// * collection_id.492		///493		/// * mint_permission: Boolean parameter. If True, allows minting to Anyone with conditions above.494		#[weight = <SelfWeightOf<T>>::set_mint_permission()]495		#[transactional]496		pub fn set_mint_permission(origin, collection_id: CollectionId, mint_permission: bool) -> DispatchResult497		{498			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);499500			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;501			target_collection.check_is_owner(&sender)?;502503			target_collection.mint_mode = mint_permission;504505			<Pallet<T>>::deposit_event(Event::<T>::MintPermissionSet(506				collection_id507			));508509			target_collection.save()510		}511512		/// Change the owner of the collection.513		///514		/// # Permissions515		///516		/// * Collection Owner.517		///518		/// # Arguments519		///520		/// * collection_id.521		///522		/// * new_owner.523		#[weight = <SelfWeightOf<T>>::change_collection_owner()]524		#[transactional]525		pub fn change_collection_owner(origin, collection_id: CollectionId, new_owner: T::AccountId) -> DispatchResult {526527			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);528529			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;530			target_collection.check_is_owner(&sender)?;531532			target_collection.owner = new_owner.clone();533			<Pallet<T>>::deposit_event(Event::<T>::CollectionOwnedChanged(534				collection_id,535				new_owner536			));537538			target_collection.save()539		}540541		/// Adds an admin of the Collection.542		/// 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.543		///544		/// # Permissions545		///546		/// * Collection Owner.547		/// * Collection Admin.548		///549		/// # Arguments550		///551		/// * collection_id: ID of the Collection to add admin for.552		///553		/// * new_admin_id: Address of new admin to add.554		#[weight = <SelfWeightOf<T>>::add_collection_admin()]555		#[transactional]556		pub fn add_collection_admin(origin, collection_id: CollectionId, new_admin_id: T::CrossAccountId) -> DispatchResult {557			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);558			let collection = <CollectionHandle<T>>::try_get(collection_id)?;559560			<Pallet<T>>::deposit_event(Event::<T>::CollectionAdminAdded(561				collection_id,562				new_admin_id.clone()563			));564565			<PalletCommon<T>>::toggle_admin(&collection, &sender, &new_admin_id, true)566		}567568		/// 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.569		///570		/// # Permissions571		///572		/// * Collection Owner.573		/// * Collection Admin.574		///575		/// # Arguments576		///577		/// * collection_id: ID of the Collection to remove admin for.578		///579		/// * account_id: Address of admin to remove.580		#[weight = <SelfWeightOf<T>>::remove_collection_admin()]581		#[transactional]582		pub fn remove_collection_admin(origin, collection_id: CollectionId, account_id: T::CrossAccountId) -> DispatchResult {583			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);584			let collection = <CollectionHandle<T>>::try_get(collection_id)?;585586			<Pallet<T>>::deposit_event(Event::<T>::CollectionAdminRemoved(587				collection_id,588				account_id.clone()589			));590591			<PalletCommon<T>>::toggle_admin(&collection, &sender, &account_id, false)592		}593594		/// # Permissions595		///596		/// * Collection Owner597		///598		/// # Arguments599		///600		/// * collection_id.601		///602		/// * new_sponsor.603		#[weight = <SelfWeightOf<T>>::set_collection_sponsor()]604		#[transactional]605		pub fn set_collection_sponsor(origin, collection_id: CollectionId, new_sponsor: T::AccountId) -> DispatchResult {606			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);607608			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;609			target_collection.check_is_owner(&sender)?;610611			target_collection.sponsorship = SponsorshipState::Unconfirmed(new_sponsor.clone());612613			<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorSet(614				collection_id,615				new_sponsor616			));617618			target_collection.save()619		}620621		/// # Permissions622		///623		/// * Sponsor.624		///625		/// # Arguments626		///627		/// * collection_id.628		#[weight = <SelfWeightOf<T>>::confirm_sponsorship()]629		#[transactional]630		pub fn confirm_sponsorship(origin, collection_id: CollectionId) -> DispatchResult {631			let sender = ensure_signed(origin)?;632633			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;634			ensure!(635				target_collection.sponsorship.pending_sponsor() == Some(&sender),636				Error::<T>::ConfirmUnsetSponsorFail637			);638639			target_collection.sponsorship = SponsorshipState::Confirmed(sender.clone());640641			<Pallet<T>>::deposit_event(Event::<T>::SponsorshipConfirmed(642				collection_id,643				sender644			));645646			target_collection.save()647		}648649		/// Switch back to pay-per-own-transaction model.650		///651		/// # Permissions652		///653		/// * Collection owner.654		///655		/// # Arguments656		///657		/// * collection_id.658		#[weight = <SelfWeightOf<T>>::remove_collection_sponsor()]659		#[transactional]660		pub fn remove_collection_sponsor(origin, collection_id: CollectionId) -> DispatchResult {661			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);662663			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;664			target_collection.check_is_owner(&sender)?;665666			target_collection.sponsorship = SponsorshipState::Disabled;667668			<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorRemoved(669				collection_id670			));671			target_collection.save()672		}673674		/// This method creates a concrete instance of NFT Collection created with CreateCollection method.675		///676		/// # Permissions677		///678		/// * Collection Owner.679		/// * Collection Admin.680		/// * Anyone if681		///     * Allow List is enabled, and682		///     * Address is added to allow list, and683		///     * MintPermission is enabled (see SetMintPermission method)684		///685		/// # Arguments686		///687		/// * collection_id: ID of the collection.688		///689		/// * owner: Address, initial owner of the NFT.690		///691		/// * data: Token data to store on chain.692		#[weight = <CommonWeights<T>>::create_item()]693		#[transactional]694		pub fn create_item(origin, collection_id: CollectionId, owner: T::CrossAccountId, data: CreateItemData) -> DispatchResultWithPostInfo {695			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);696697			dispatch_call::<T, _>(collection_id, |d| d.create_item(sender, owner, data))698		}699700		/// This method creates multiple items in a collection created with CreateCollection method.701		///702		/// # Permissions703		///704		/// * Collection Owner.705		/// * Collection Admin.706		/// * Anyone if707		///     * Allow List is enabled, and708		///     * Address is added to allow list, and709		///     * MintPermission is enabled (see SetMintPermission method)710		///711		/// # Arguments712		///713		/// * collection_id: ID of the collection.714		///715		/// * itemsData: Array items properties. Each property is an array of bytes itself, see [create_item].716		///717		/// * owner: Address, initial owner of the NFT.718		#[weight = <CommonWeights<T>>::create_multiple_items(items_data.len() as u32)]719		#[transactional]720		pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::CrossAccountId, items_data: Vec<CreateItemData>) -> DispatchResultWithPostInfo {721			ensure!(!items_data.is_empty(), Error::<T>::EmptyArgument);722			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);723724			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items(sender, owner, items_data))725		}726727		#[weight = <CommonWeights<T>>::create_multiple_items_ex(&data)]728		#[transactional]729		pub fn create_multiple_items_ex(origin, collection_id: CollectionId, data: CreateItemExData<T::CrossAccountId>) -> DispatchResultWithPostInfo {730			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);731732			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items_ex(sender, data))733		}734735		// TODO! transaction weight736737		/// Set transfers_enabled value for particular collection738		///739		/// # Permissions740		///741		/// * Collection Owner.742		///743		/// # Arguments744		///745		/// * collection_id: ID of the collection.746		///747		/// * value: New flag value.748		#[weight = <SelfWeightOf<T>>::set_transfers_enabled_flag()]749		#[transactional]750		pub fn set_transfers_enabled_flag(origin, collection_id: CollectionId, value: bool) -> DispatchResult {751			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);752			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;753			target_collection.check_is_owner(&sender)?;754755			// =========756757			target_collection.limits.transfers_enabled = Some(value);758			target_collection.save()759		}760761		/// Destroys a concrete instance of NFT.762		///763		/// # Permissions764		///765		/// * Collection Owner.766		/// * Collection Admin.767		/// * Current NFT Owner.768		///769		/// # Arguments770		///771		/// * collection_id: ID of the collection.772		///773		/// * item_id: ID of NFT to burn.774		#[weight = <CommonWeights<T>>::burn_item()]775		#[transactional]776		pub fn burn_item(origin, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {777			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);778779			let post_info = dispatch_call::<T, _>(collection_id, |d| d.burn_item(sender, item_id, value))?;780			if value == 1 {781				<NftTransferBasket<T>>::remove(collection_id, item_id);782				<NftApproveBasket<T>>::remove(collection_id, item_id);783			}784			// Those maps should be cleared only if token disappears completly, need to move this part of logic to pallets?785			// <FungibleApproveBasket<T>>::remove(collection_id, sender.as_sub());786			// <RefungibleApproveBasket<T>>::remove((collection_id, item_id, sender.as_sub()));787			Ok(post_info)788		}789790		/// Destroys a concrete instance of NFT on behalf of the owner791		/// See also: [`approve`]792		///793		/// # Permissions794		///795		/// * Collection Owner.796		/// * Collection Admin.797		/// * Current NFT Owner.798		///799		/// # Arguments800		///801		/// * collection_id: ID of the collection.802		///803		/// * item_id: ID of NFT to burn.804		///805		/// * from: owner of item806		#[weight = <CommonWeights<T>>::burn_from()]807		#[transactional]808		pub fn burn_from(origin, collection_id: CollectionId, from: T::CrossAccountId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {809			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);810811			dispatch_call::<T, _>(collection_id, |d| d.burn_from(sender, from, item_id, value))812		}813814		/// Change ownership of the token.815		///816		/// # Permissions817		///818		/// * Collection Owner819		/// * Collection Admin820		/// * Current NFT owner821		///822		/// # Arguments823		///824		/// * recipient: Address of token recipient.825		///826		/// * collection_id.827		///828		/// * item_id: ID of the item829		///     * Non-Fungible Mode: Required.830		///     * Fungible Mode: Ignored.831		///     * Re-Fungible Mode: Required.832		///833		/// * value: Amount to transfer.834		///     * Non-Fungible Mode: Ignored835		///     * Fungible Mode: Must specify transferred amount836		///     * Re-Fungible Mode: Must specify transferred portion (between 0 and 1)837		#[weight = <CommonWeights<T>>::transfer()]838		#[transactional]839		pub fn transfer(origin, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {840			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);841842			dispatch_call::<T, _>(collection_id, |d| d.transfer(sender, recipient, item_id, value))843		}844845		/// Set, change, or remove approved address to transfer the ownership of the NFT.846		///847		/// # Permissions848		///849		/// * Collection Owner850		/// * Collection Admin851		/// * Current NFT owner852		///853		/// # Arguments854		///855		/// * approved: Address that is approved to transfer this NFT or zero (if needed to remove approval).856		///857		/// * collection_id.858		///859		/// * item_id: ID of the item.860		#[weight = <CommonWeights<T>>::approve()]861		#[transactional]862		pub fn approve(origin, spender: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResultWithPostInfo {863			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);864865			dispatch_call::<T, _>(collection_id, |d| d.approve(sender, spender, item_id, amount))866		}867868		/// 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.869		///870		/// # Permissions871		/// * Collection Owner872		/// * Collection Admin873		/// * Current NFT owner874		/// * Address approved by current NFT owner875		///876		/// # Arguments877		///878		/// * from: Address that owns token.879		///880		/// * recipient: Address of token recipient.881		///882		/// * collection_id.883		///884		/// * item_id: ID of the item.885		///886		/// * value: Amount to transfer.887		#[weight = <CommonWeights<T>>::transfer_from()]888		#[transactional]889		pub fn transfer_from(origin, from: T::CrossAccountId, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128 ) -> DispatchResultWithPostInfo {890			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);891892			dispatch_call::<T, _>(collection_id, |d| d.transfer_from(sender, from, recipient, item_id, value))893		}894895		/// Set off-chain data schema.896		///897		/// # Permissions898		///899		/// * Collection Owner900		/// * Collection Admin901		///902		/// # Arguments903		///904		/// * collection_id.905		///906		/// * schema: String representing the offchain data schema.907		#[weight = <CommonWeights<T>>::set_variable_metadata(data.len() as u32)]908		#[transactional]909		pub fn set_variable_meta_data (910			origin,911			collection_id: CollectionId,912			item_id: TokenId,913			data: BoundedVec<u8, CustomDataLimit>,914		) -> DispatchResultWithPostInfo {915			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);916917			dispatch_call::<T, _>(collection_id, |d| d.set_variable_metadata(sender, item_id, data))918		}919920		/// Set meta_update_permission value for particular collection921		///922		/// # Permissions923		///924		/// * Collection Owner.925		///926		/// # Arguments927		///928		/// * collection_id: ID of the collection.929		///930		/// * value: New flag value.931		#[weight = <SelfWeightOf<T>>::set_meta_update_permission_flag()]932		#[transactional]933		pub fn set_meta_update_permission_flag(origin, collection_id: CollectionId, value: MetaUpdatePermission) -> DispatchResult {934			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);935			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;936937			ensure!(938				target_collection.meta_update_permission != MetaUpdatePermission::None,939				<CommonError<T>>::MetadataFlagFrozen,940			);941			target_collection.check_is_owner(&sender)?;942943			target_collection.meta_update_permission = value;944945			target_collection.save()946		}947948		/// Set schema standard949		/// ImageURL950		/// Unique951		///952		/// # Permissions953		///954		/// * Collection Owner955		/// * Collection Admin956		///957		/// # Arguments958		///959		/// * collection_id.960		///961		/// * schema: SchemaVersion: enum962		#[weight = <SelfWeightOf<T>>::set_schema_version()]963		#[transactional]964		pub fn set_schema_version(965			origin,966			collection_id: CollectionId,967			version: SchemaVersion968		) -> DispatchResult {969			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);970			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;971			target_collection.check_is_owner_or_admin(&sender)?;972			target_collection.schema_version = version;973974			<Pallet<T>>::deposit_event(Event::<T>::SchemaVersionSet(975				collection_id976			));977978			target_collection.save()979		}980981		/// Set off-chain data schema.982		///983		/// # Permissions984		///985		/// * Collection Owner986		/// * Collection Admin987		///988		/// # Arguments989		///990		/// * collection_id.991		///992		/// * schema: String representing the offchain data schema.993		#[weight = <SelfWeightOf<T>>::set_offchain_schema(schema.len() as u32)]994		#[transactional]995		pub fn set_offchain_schema(996			origin,997			collection_id: CollectionId,998			schema: BoundedVec<u8, ConstU32<OFFCHAIN_SCHEMA_LIMIT>>,999		) -> DispatchResult {1000			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1001			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1002			target_collection.check_is_owner_or_admin(&sender)?;10031004			target_collection.offchain_schema = schema;10051006			<Pallet<T>>::deposit_event(Event::<T>::OffchainSchemaSet(1007				collection_id1008			));10091010			target_collection.save()1011		}10121013		/// Set const on-chain data schema.1014		///1015		/// # Permissions1016		///1017		/// * Collection Owner1018		/// * Collection Admin1019		///1020		/// # Arguments1021		///1022		/// * collection_id.1023		///1024		/// * schema: String representing the const on-chain data schema.1025		#[weight = <SelfWeightOf<T>>::set_const_on_chain_schema(schema.len() as u32)]1026		#[transactional]1027		pub fn set_const_on_chain_schema (1028			origin,1029			collection_id: CollectionId,1030			schema: BoundedVec<u8, ConstU32<CONST_ON_CHAIN_SCHEMA_LIMIT>>1031		) -> DispatchResult {1032			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1033			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1034			target_collection.check_is_owner_or_admin(&sender)?;10351036			target_collection.const_on_chain_schema = schema;10371038			<Pallet<T>>::deposit_event(Event::<T>::ConstOnChainSchemaSet(1039				collection_id1040			));10411042			target_collection.save()1043		}10441045		/// Set variable on-chain data schema.1046		///1047		/// # Permissions1048		///1049		/// * Collection Owner1050		/// * Collection Admin1051		///1052		/// # Arguments1053		///1054		/// * collection_id.1055		///1056		/// * schema: String representing the variable on-chain data schema.1057		#[weight = <SelfWeightOf<T>>::set_const_on_chain_schema(schema.len() as u32)]1058		#[transactional]1059		pub fn set_variable_on_chain_schema (1060			origin,1061			collection_id: CollectionId,1062			schema: BoundedVec<u8, ConstU32<VARIABLE_ON_CHAIN_SCHEMA_LIMIT>>1063		) -> DispatchResult {1064			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1065			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1066			target_collection.check_is_owner_or_admin(&sender)?;10671068			target_collection.variable_on_chain_schema = schema;10691070			<Pallet<T>>::deposit_event(Event::<T>::VariableOnChainSchemaSet(1071				collection_id1072			));10731074			target_collection.save()1075		}10761077		#[weight = <SelfWeightOf<T>>::set_collection_limits()]1078		#[transactional]1079		pub fn set_collection_limits(1080			origin,1081			collection_id: CollectionId,1082			new_limit: CollectionLimits,1083		) -> DispatchResult {1084			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1085			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1086			target_collection.check_is_owner(&sender)?;1087			let old_limit = &target_collection.limits;10881089			target_collection.limits = <PalletCommon<T>>::clamp_limits(target_collection.mode.clone(), &old_limit, new_limit)?;10901091			<Pallet<T>>::deposit_event(Event::<T>::CollectionLimitSet(1092				collection_id1093			));10941095			target_collection.save()1096		}1097	}1098}