git.delta.rocks / unique-network / refs/commits / d030d8a70b74

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};2829pub use frame_support::{30	construct_runtime, decl_module, decl_storage, decl_error, decl_event,31	dispatch::DispatchResult,32	ensure, fail, parameter_types,33	traits::{34		ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced, Randomness,35		IsSubType, WithdrawReasons,36	},37	weights::{38		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},39		DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,40		WeightToFeePolynomial, DispatchClass,41	},42	StorageValue, transactional,43	pallet_prelude::{DispatchResultWithPostInfo, ConstU32},44	BoundedVec,45};46use scale_info::TypeInfo;47use frame_system::{self as system, ensure_signed};48use sp_runtime::{sp_std::prelude::Vec};49use up_data_structs::{50	MAX_DECIMAL_POINTS, VARIABLE_ON_CHAIN_SCHEMA_LIMIT, CONST_ON_CHAIN_SCHEMA_LIMIT,51	OFFCHAIN_SCHEMA_LIMIT, MAX_COLLECTION_NAME_LENGTH, MAX_COLLECTION_DESCRIPTION_LENGTH,52	MAX_TOKEN_PREFIX_LENGTH, AccessMode, CreateItemData, CollectionLimits, CollectionId,53	CollectionMode, TokenId, SchemaVersion, SponsorshipState, MetaUpdatePermission,54	CreateCollectionData, CustomDataLimit, CreateItemExData,55};56use pallet_common::{57	CollectionHandle, Pallet as PalletCommon, Error as CommonError,58	CommonWeightInfo,59};60use frame_common::account::CrossAccountId;61use pallet_refungible::{Pallet as PalletRefungible, RefungibleHandle};62use pallet_fungible::{Pallet as PalletFungible, FungibleHandle};63use pallet_nonfungible::{Pallet as PalletNonfungible, NonfungibleHandle};6465#[cfg(test)]66mod mock;6768#[cfg(test)]69mod tests;7071mod eth;72mod sponsorship;73pub use sponsorship::UniqueSponsorshipHandler;74pub use eth::sponsoring::UniqueEthSponsorshipHandler;7576pub use eth::UniqueErcSupport;7778pub mod common;79use common::CommonWeights;80pub mod dispatch;81use dispatch::dispatch_call;8283#[cfg(feature = "runtime-benchmarks")]84mod benchmarking;85pub mod weights;86use weights::WeightInfo;8788decl_error! {89	/// Error for non-fungible-token module.90	pub enum Error for Module<T: Config> {91		/// Decimal_points parameter must be lower than MAX_DECIMAL_POINTS constant, currently it is 30.92		CollectionDecimalPointLimitExceeded,93		/// This address is not set as sponsor, use setCollectionSponsor first.94		ConfirmUnsetSponsorFail,95		/// Length of items properties must be greater than 0.96		EmptyArgument,97	}98}99100pub trait Config:101	system::Config102	+ pallet_evm_coder_substrate::Config103	+ pallet_common::Config104	+ pallet_nonfungible::Config105	+ pallet_refungible::Config106	+ pallet_fungible::Config107	+ Sized108	+ TypeInfo109{110	type Event: From<Event<Self>> + Into<<Self as frame_system::Config>::Event>;111112	/// Weight information for extrinsics in this pallet.113	type WeightInfo: WeightInfo;114}115116decl_event! {117	pub enum Event<T>118	where119		<T as frame_system::Config>::AccountId,120		<T as pallet_common::Config>::CrossAccountId,121	{122		/// Collection sponsor was removed123		///124		/// # Arguments125		///126		/// * collection_id: Globally unique collection identifier.127		CollectionSponsorRemoved(CollectionId),128129		/// Collection admin was added130		///131		/// # Arguments132		///133		/// * collection_id: Globally unique collection identifier.134		///135		/// * admin:  Admin address.136		CollectionAdminAdded(CollectionId, CrossAccountId),137138		/// Collection owned was change139		///140		/// # Arguments141		///142		/// * collection_id: Globally unique collection identifier.143		///144		/// * owner:  New owner address.145		CollectionOwnedChanged(CollectionId, AccountId),146147		/// Collection sponsor was set148		///149		/// # Arguments150		///151		/// * collection_id: Globally unique collection identifier.152		///153		/// * owner:  New sponsor address.154		CollectionSponsorSet(CollectionId, AccountId),155156		/// const on chain schema was set157		///158		/// # Arguments159		///160		/// * collection_id: Globally unique collection identifier.161		ConstOnChainSchemaSet(CollectionId),162163		/// New sponsor was confirm164		///165		/// # Arguments166		///167		/// * collection_id: Globally unique collection identifier.168		///169		/// * sponsor:  New sponsor address.170		SponsorshipConfirmed(CollectionId, AccountId),171172		/// Collection admin was removed173		///174		/// # Arguments175		///176		/// * collection_id: Globally unique collection identifier.177		///178		/// * admin:  Admin address.179		CollectionAdminRemoved(CollectionId, CrossAccountId),180181		/// Address was remove from allow list182		///183		/// # Arguments184		///185		/// * collection_id: Globally unique collection identifier.186		///187		/// * user:  Address.188		AllowListAddressRemoved(CollectionId, CrossAccountId),189190		/// Address was add to allow list191		///192		/// # Arguments193		///194		/// * collection_id: Globally unique collection identifier.195		///196		/// * user:  Address.197		AllowListAddressAdded(CollectionId, CrossAccountId),198199		/// Collection limits was set200		///201		/// # Arguments202		///203		/// * collection_id: Globally unique collection identifier.204		CollectionLimitSet(CollectionId),205206		/// Mint permission	was set207		///208		/// # Arguments209		///210		/// * collection_id: Globally unique collection identifier.211		MintPermissionSet(CollectionId),212213		/// Offchain schema was set214		///215		/// # Arguments216		///217		/// * collection_id: Globally unique collection identifier.218		OffchainSchemaSet(CollectionId),219220		/// Public access mode was set221		///222		/// # Arguments223		///224		/// * collection_id: Globally unique collection identifier.225		///226		/// * mode: New access state.227		PublicAccessModeSet(CollectionId, AccessMode),228229		/// Schema version was set230		///231		/// # Arguments232		///233		/// * collection_id: Globally unique collection identifier.234		SchemaVersionSet(CollectionId),235236		/// Variable on chain schema was set237		///238		/// # Arguments239		///240		/// * collection_id: Globally unique collection identifier.241		VariableOnChainSchemaSet(CollectionId),242	}243}244245type SelfWeightOf<T> = <T as Config>::WeightInfo;246247// # Used definitions248//249// ## User control levels250//251// chain-controlled - key is uncontrolled by user252//                    i.e autoincrementing index253//                    can use non-cryptographic hash254// real - key is controlled by user255//        but it is hard to generate enough colliding values, i.e owner of signed txs256//        can use non-cryptographic hash257// controlled - key is completly controlled by users258//              i.e maps with mutable keys259//              should use cryptographic hash260//261// ## User control level downgrade reasons262//263// ?1 - chain-controlled -> controlled264//      collections/tokens can be destroyed, resulting in massive holes265// ?2 - chain-controlled -> controlled266//      same as ?1, but can be only added, resulting in easier exploitation267// ?3 - real -> controlled268//      no confirmation required, so addresses can be easily generated269decl_storage! {270	trait Store for Module<T: Config> as Unique {271272		//#region Private members273		/// Used for migrations274		ChainVersion: u64;275		//#endregion276277		//#region Tokens transfer rate limit baskets278		/// (Collection id (controlled?2), who created (real))279		/// TODO: Off chain worker should remove from this map when collection gets removed280		pub CreateItemBasket get(fn create_item_basket): map hasher(blake2_128_concat) (CollectionId, T::AccountId) => Option<T::BlockNumber>;281		/// Collection id (controlled?2), token id (controlled?2)282		pub NftTransferBasket get(fn nft_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber>;283		/// Collection id (controlled?2), owning user (real)284		pub FungibleTransferBasket get(fn fungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => Option<T::BlockNumber>;285		/// Collection id (controlled?2), token id (controlled?2)286		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>;287		//#endregion288289		/// Variable metadata sponsoring290		/// Collection id (controlled?2), token id (controlled?2)291		pub VariableMetaDataBasket get(fn variable_meta_data_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber>;292		/// Approval sponsoring293		pub NftApproveBasket get(fn nft_approve_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber>;294		pub FungibleApproveBasket get(fn fungible_approve_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => Option<T::BlockNumber>;295		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>;296	}297}298299decl_module! {300	pub struct Module<T: Config> for enum Call301	where302		origin: T::Origin303	{304		type Error = Error<T>;305306		fn deposit_event() = default;307308		fn on_initialize(_now: T::BlockNumber) -> Weight {309			0310		}311312		/// 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.313		///314		/// # Permissions315		///316		/// * Anyone.317		///318		/// # Arguments319		///320		/// * collection_name: UTF-16 string with collection name (limit 64 characters), will be stored as zero-terminated.321		///322		/// * collection_description: UTF-16 string with collection description (limit 256 characters), will be stored as zero-terminated.323		///324		/// * token_prefix: UTF-8 string with token prefix.325		///326		/// * mode: [CollectionMode] collection type and type dependent data.327		// returns collection ID328		#[weight = <SelfWeightOf<T>>::create_collection()]329		#[transactional]330		#[deprecated]331		pub fn create_collection(origin,332								 collection_name: BoundedVec<u16, ConstU32<MAX_COLLECTION_NAME_LENGTH>>,333								 collection_description: BoundedVec<u16, ConstU32<MAX_COLLECTION_DESCRIPTION_LENGTH>>,334								 token_prefix: BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>,335								 mode: CollectionMode) -> DispatchResult  {336			let data: CreateCollectionData<T::AccountId> = CreateCollectionData {337				name: collection_name,338				description: collection_description,339				token_prefix,340				mode,341				..Default::default()342			};343			Self::create_collection_ex(origin, data)344		}345346		/// This method creates a collection347		///348		/// Prefer it to deprecated [`created_collection`] method349		#[weight = <SelfWeightOf<T>>::create_collection()]350		#[transactional]351		pub fn create_collection_ex(origin, data: CreateCollectionData<T::AccountId>) -> DispatchResult {352			let owner = ensure_signed(origin)?;353354			let _id = match data.mode {355				CollectionMode::NFT => {<PalletNonfungible<T>>::init_collection(owner, data)?},356				CollectionMode::Fungible(decimal_points) => {357					// check params358					ensure!(decimal_points <= MAX_DECIMAL_POINTS, Error::<T>::CollectionDecimalPointLimitExceeded);359					<PalletFungible<T>>::init_collection(owner, data)?360				}361				CollectionMode::ReFungible => {362					<PalletRefungible<T>>::init_collection(owner, data)?363				}364			};365366			Ok(())367		}368369		/// **DANGEROUS**: Destroys collection and all NFTs within this collection. Users irrecoverably lose their assets and may lose real money.370		///371		/// # Permissions372		///373		/// * Collection Owner.374		///375		/// # Arguments376		///377		/// * collection_id: collection to destroy.378		#[weight = <SelfWeightOf<T>>::destroy_collection()]379		#[transactional]380		pub fn destroy_collection(origin, collection_id: CollectionId) -> DispatchResult {381			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);382383			let collection = <CollectionHandle<T>>::try_get(collection_id)?;384			collection.check_is_owner(&sender)?;385386			// =========387388			match collection.mode {389				CollectionMode::ReFungible => PalletRefungible::destroy_collection(RefungibleHandle::cast(collection), &sender)?,390				CollectionMode::Fungible(_) => PalletFungible::destroy_collection(FungibleHandle::cast(collection), &sender)?,391				CollectionMode::NFT => PalletNonfungible::destroy_collection(NonfungibleHandle::cast(collection), &sender)?,392			}393394			<NftTransferBasket<T>>::remove_prefix(collection_id, None);395			<FungibleTransferBasket<T>>::remove_prefix(collection_id, None);396			<ReFungibleTransferBasket<T>>::remove_prefix((collection_id,), None);397398			<VariableMetaDataBasket<T>>::remove_prefix(collection_id, None);399			<NftApproveBasket<T>>::remove_prefix(collection_id, None);400			<FungibleApproveBasket<T>>::remove_prefix(collection_id, None);401			<RefungibleApproveBasket<T>>::remove_prefix((collection_id,), None);402403			Ok(())404		}405406		/// Add an address to allow list.407		///408		/// # Permissions409		///410		/// * Collection Owner411		/// * Collection Admin412		///413		/// # Arguments414		///415		/// * collection_id.416		///417		/// * address.418		#[weight = <SelfWeightOf<T>>::add_to_allow_list()]419		#[transactional]420		pub fn add_to_allow_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{421422			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);423			let collection = <CollectionHandle<T>>::try_get(collection_id)?;424425			<PalletCommon<T>>::toggle_allowlist(426				&collection,427				&sender,428				&address,429				true,430			)?;431432			Self::deposit_event(Event::<T>::AllowListAddressAdded(433				collection_id,434				address435			));436437			Ok(())438		}439440		/// Remove an address from allow list.441		///442		/// # Permissions443		///444		/// * Collection Owner445		/// * Collection Admin446		///447		/// # Arguments448		///449		/// * collection_id.450		///451		/// * address.452		#[weight = <SelfWeightOf<T>>::remove_from_allow_list()]453		#[transactional]454		pub fn remove_from_allow_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{455456			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);457			let collection = <CollectionHandle<T>>::try_get(collection_id)?;458459			<PalletCommon<T>>::toggle_allowlist(460				&collection,461				&sender,462				&address,463				false,464			)?;465466			<Pallet<T>>::deposit_event(Event::<T>::AllowListAddressRemoved(467				collection_id,468				address469			));470471			Ok(())472		}473474		/// Toggle between normal and allow list access for the methods with access for `Anyone`.475		///476		/// # Permissions477		///478		/// * Collection Owner.479		///480		/// # Arguments481		///482		/// * collection_id.483		///484		/// * mode: [AccessMode]485		#[weight = <SelfWeightOf<T>>::set_public_access_mode()]486		#[transactional]487		pub fn set_public_access_mode(origin, collection_id: CollectionId, mode: AccessMode) -> DispatchResult488		{489			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);490491			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;492			target_collection.check_is_owner(&sender)?;493494			target_collection.access = mode.clone();495496			<Pallet<T>>::deposit_event(Event::<T>::PublicAccessModeSet(497				collection_id,498				mode499			));500501			target_collection.save()502		}503504		/// Allows Anyone to create tokens if:505		/// * Allow List is enabled, and506		/// * Address is added to allow list, and507		/// * This method was called with True parameter508		///509		/// # Permissions510		/// * Collection Owner511		///512		/// # Arguments513		///514		/// * collection_id.515		///516		/// * mint_permission: Boolean parameter. If True, allows minting to Anyone with conditions above.517		#[weight = <SelfWeightOf<T>>::set_mint_permission()]518		#[transactional]519		pub fn set_mint_permission(origin, collection_id: CollectionId, mint_permission: bool) -> DispatchResult520		{521			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);522523			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;524			target_collection.check_is_owner(&sender)?;525526			target_collection.mint_mode = mint_permission;527528			<Pallet<T>>::deposit_event(Event::<T>::MintPermissionSet(529				collection_id530			));531532			target_collection.save()533		}534535		/// Change the owner of the collection.536		///537		/// # Permissions538		///539		/// * Collection Owner.540		///541		/// # Arguments542		///543		/// * collection_id.544		///545		/// * new_owner.546		#[weight = <SelfWeightOf<T>>::change_collection_owner()]547		#[transactional]548		pub fn change_collection_owner(origin, collection_id: CollectionId, new_owner: T::AccountId) -> DispatchResult {549550			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);551552			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;553			target_collection.check_is_owner(&sender)?;554555			target_collection.owner = new_owner.clone();556			<Pallet<T>>::deposit_event(Event::<T>::CollectionOwnedChanged(557				collection_id,558				new_owner559			));560561			target_collection.save()562		}563564		/// Adds an admin of the Collection.565		/// 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.566		///567		/// # Permissions568		///569		/// * Collection Owner.570		/// * Collection Admin.571		///572		/// # Arguments573		///574		/// * collection_id: ID of the Collection to add admin for.575		///576		/// * new_admin_id: Address of new admin to add.577		#[weight = <SelfWeightOf<T>>::add_collection_admin()]578		#[transactional]579		pub fn add_collection_admin(origin, collection_id: CollectionId, new_admin_id: T::CrossAccountId) -> DispatchResult {580			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);581			let collection = <CollectionHandle<T>>::try_get(collection_id)?;582583			<Pallet<T>>::deposit_event(Event::<T>::CollectionAdminAdded(584				collection_id,585				new_admin_id.clone()586			));587588			<PalletCommon<T>>::toggle_admin(&collection, &sender, &new_admin_id, true)589		}590591		/// 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.592		///593		/// # Permissions594		///595		/// * Collection Owner.596		/// * Collection Admin.597		///598		/// # Arguments599		///600		/// * collection_id: ID of the Collection to remove admin for.601		///602		/// * account_id: Address of admin to remove.603		#[weight = <SelfWeightOf<T>>::remove_collection_admin()]604		#[transactional]605		pub fn remove_collection_admin(origin, collection_id: CollectionId, account_id: T::CrossAccountId) -> DispatchResult {606			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);607			let collection = <CollectionHandle<T>>::try_get(collection_id)?;608609			<Pallet<T>>::deposit_event(Event::<T>::CollectionAdminRemoved(610				collection_id,611				account_id.clone()612			));613614			<PalletCommon<T>>::toggle_admin(&collection, &sender, &account_id, false)615		}616617		/// # Permissions618		///619		/// * Collection Owner620		///621		/// # Arguments622		///623		/// * collection_id.624		///625		/// * new_sponsor.626		#[weight = <SelfWeightOf<T>>::set_collection_sponsor()]627		#[transactional]628		pub fn set_collection_sponsor(origin, collection_id: CollectionId, new_sponsor: T::AccountId) -> DispatchResult {629			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);630631			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;632			target_collection.check_is_owner(&sender)?;633634			target_collection.sponsorship = SponsorshipState::Unconfirmed(new_sponsor.clone());635636			<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorSet(637				collection_id,638				new_sponsor639			));640641			target_collection.save()642		}643644		/// # Permissions645		///646		/// * Sponsor.647		///648		/// # Arguments649		///650		/// * collection_id.651		#[weight = <SelfWeightOf<T>>::confirm_sponsorship()]652		#[transactional]653		pub fn confirm_sponsorship(origin, collection_id: CollectionId) -> DispatchResult {654			let sender = ensure_signed(origin)?;655656			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;657			ensure!(658				target_collection.sponsorship.pending_sponsor() == Some(&sender),659				Error::<T>::ConfirmUnsetSponsorFail660			);661662			target_collection.sponsorship = SponsorshipState::Confirmed(sender.clone());663664			<Pallet<T>>::deposit_event(Event::<T>::SponsorshipConfirmed(665				collection_id,666				sender667			));668669			target_collection.save()670		}671672		/// Switch back to pay-per-own-transaction model.673		///674		/// # Permissions675		///676		/// * Collection owner.677		///678		/// # Arguments679		///680		/// * collection_id.681		#[weight = <SelfWeightOf<T>>::remove_collection_sponsor()]682		#[transactional]683		pub fn remove_collection_sponsor(origin, collection_id: CollectionId) -> DispatchResult {684			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);685686			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;687			target_collection.check_is_owner(&sender)?;688689			target_collection.sponsorship = SponsorshipState::Disabled;690691			<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorRemoved(692				collection_id693			));694			target_collection.save()695		}696697		/// This method creates a concrete instance of NFT Collection created with CreateCollection method.698		///699		/// # Permissions700		///701		/// * Collection Owner.702		/// * Collection Admin.703		/// * Anyone if704		///     * Allow List is enabled, and705		///     * Address is added to allow list, and706		///     * MintPermission is enabled (see SetMintPermission method)707		///708		/// # Arguments709		///710		/// * collection_id: ID of the collection.711		///712		/// * owner: Address, initial owner of the NFT.713		///714		/// * data: Token data to store on chain.715		#[weight = <CommonWeights<T>>::create_item()]716		#[transactional]717		pub fn create_item(origin, collection_id: CollectionId, owner: T::CrossAccountId, data: CreateItemData) -> DispatchResultWithPostInfo {718			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);719720			dispatch_call::<T, _>(collection_id, |d| d.create_item(sender, owner, data))721		}722723		/// This method creates multiple items in a collection created with CreateCollection method.724		///725		/// # Permissions726		///727		/// * Collection Owner.728		/// * Collection Admin.729		/// * Anyone if730		///     * Allow List is enabled, and731		///     * Address is added to allow list, and732		///     * MintPermission is enabled (see SetMintPermission method)733		///734		/// # Arguments735		///736		/// * collection_id: ID of the collection.737		///738		/// * itemsData: Array items properties. Each property is an array of bytes itself, see [create_item].739		///740		/// * owner: Address, initial owner of the NFT.741		#[weight = <CommonWeights<T>>::create_multiple_items(items_data.len() as u32)]742		#[transactional]743		pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::CrossAccountId, items_data: Vec<CreateItemData>) -> DispatchResultWithPostInfo {744			ensure!(!items_data.is_empty(), Error::<T>::EmptyArgument);745			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);746747			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items(sender, owner, items_data))748		}749750		#[weight = <CommonWeights<T>>::create_multiple_items_ex(&data)]751		#[transactional]752		pub fn create_multiple_items_ex(origin, collection_id: CollectionId, data: CreateItemExData<T::CrossAccountId>) -> DispatchResultWithPostInfo {753			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);754755			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items_ex(sender, data))756		}757758		// TODO! transaction weight759760		/// Set transfers_enabled value for particular collection761		///762		/// # Permissions763		///764		/// * Collection Owner.765		///766		/// # Arguments767		///768		/// * collection_id: ID of the collection.769		///770		/// * value: New flag value.771		#[weight = <SelfWeightOf<T>>::set_transfers_enabled_flag()]772		#[transactional]773		pub fn set_transfers_enabled_flag(origin, collection_id: CollectionId, value: bool) -> DispatchResult {774			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);775			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;776			target_collection.check_is_owner(&sender)?;777778			// =========779780			target_collection.limits.transfers_enabled = Some(value);781			target_collection.save()782		}783784		/// Destroys a concrete instance of NFT.785		///786		/// # Permissions787		///788		/// * Collection Owner.789		/// * Collection Admin.790		/// * Current NFT Owner.791		///792		/// # Arguments793		///794		/// * collection_id: ID of the collection.795		///796		/// * item_id: ID of NFT to burn.797		#[weight = <CommonWeights<T>>::burn_item()]798		#[transactional]799		pub fn burn_item(origin, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {800			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);801802			let post_info = dispatch_call::<T, _>(collection_id, |d| d.burn_item(sender, item_id, value))?;803			if value == 1 {804				<NftTransferBasket<T>>::remove(collection_id, item_id);805				<NftApproveBasket<T>>::remove(collection_id, item_id);806			}807			// Those maps should be cleared only if token disappears completly, need to move this part of logic to pallets?808			// <FungibleApproveBasket<T>>::remove(collection_id, sender.as_sub());809			// <RefungibleApproveBasket<T>>::remove((collection_id, item_id, sender.as_sub()));810			Ok(post_info)811		}812813		/// Destroys a concrete instance of NFT on behalf of the owner814		/// See also: [`approve`]815		///816		/// # Permissions817		///818		/// * Collection Owner.819		/// * Collection Admin.820		/// * Current NFT Owner.821		///822		/// # Arguments823		///824		/// * collection_id: ID of the collection.825		///826		/// * item_id: ID of NFT to burn.827		///828		/// * from: owner of item829		#[weight = <CommonWeights<T>>::burn_from()]830		#[transactional]831		pub fn burn_from(origin, collection_id: CollectionId, from: T::CrossAccountId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {832			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);833834			dispatch_call::<T, _>(collection_id, |d| d.burn_from(sender, from, item_id, value))835		}836837		/// Change ownership of the token.838		///839		/// # Permissions840		///841		/// * Collection Owner842		/// * Collection Admin843		/// * Current NFT owner844		///845		/// # Arguments846		///847		/// * recipient: Address of token recipient.848		///849		/// * collection_id.850		///851		/// * item_id: ID of the item852		///     * Non-Fungible Mode: Required.853		///     * Fungible Mode: Ignored.854		///     * Re-Fungible Mode: Required.855		///856		/// * value: Amount to transfer.857		///     * Non-Fungible Mode: Ignored858		///     * Fungible Mode: Must specify transferred amount859		///     * Re-Fungible Mode: Must specify transferred portion (between 0 and 1)860		#[weight = <CommonWeights<T>>::transfer()]861		#[transactional]862		pub fn transfer(origin, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {863			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);864865			dispatch_call::<T, _>(collection_id, |d| d.transfer(sender, recipient, item_id, value))866		}867868		/// Set, change, or remove approved address to transfer the ownership of the NFT.869		///870		/// # Permissions871		///872		/// * Collection Owner873		/// * Collection Admin874		/// * Current NFT owner875		///876		/// # Arguments877		///878		/// * approved: Address that is approved to transfer this NFT or zero (if needed to remove approval).879		///880		/// * collection_id.881		///882		/// * item_id: ID of the item.883		#[weight = <CommonWeights<T>>::approve()]884		#[transactional]885		pub fn approve(origin, spender: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResultWithPostInfo {886			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);887888			dispatch_call::<T, _>(collection_id, |d| d.approve(sender, spender, item_id, amount))889		}890891		/// 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.892		///893		/// # Permissions894		/// * Collection Owner895		/// * Collection Admin896		/// * Current NFT owner897		/// * Address approved by current NFT owner898		///899		/// # Arguments900		///901		/// * from: Address that owns token.902		///903		/// * recipient: Address of token recipient.904		///905		/// * collection_id.906		///907		/// * item_id: ID of the item.908		///909		/// * value: Amount to transfer.910		#[weight = <CommonWeights<T>>::transfer_from()]911		#[transactional]912		pub fn transfer_from(origin, from: T::CrossAccountId, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128 ) -> DispatchResultWithPostInfo {913			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);914915			dispatch_call::<T, _>(collection_id, |d| d.transfer_from(sender, from, recipient, item_id, value))916		}917918		/// Set off-chain data schema.919		///920		/// # Permissions921		///922		/// * Collection Owner923		/// * Collection Admin924		///925		/// # Arguments926		///927		/// * collection_id.928		///929		/// * schema: String representing the offchain data schema.930		#[weight = <CommonWeights<T>>::set_variable_metadata(data.len() as u32)]931		#[transactional]932		pub fn set_variable_meta_data (933			origin,934			collection_id: CollectionId,935			item_id: TokenId,936			data: BoundedVec<u8, CustomDataLimit>,937		) -> DispatchResultWithPostInfo {938			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);939940			dispatch_call::<T, _>(collection_id, |d| d.set_variable_metadata(sender, item_id, data))941		}942943		/// Set meta_update_permission value for particular collection944		///945		/// # Permissions946		///947		/// * Collection Owner.948		///949		/// # Arguments950		///951		/// * collection_id: ID of the collection.952		///953		/// * value: New flag value.954		#[weight = <SelfWeightOf<T>>::set_meta_update_permission_flag()]955		#[transactional]956		pub fn set_meta_update_permission_flag(origin, collection_id: CollectionId, value: MetaUpdatePermission) -> DispatchResult {957			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);958			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;959960			ensure!(961				target_collection.meta_update_permission != MetaUpdatePermission::None,962				<CommonError<T>>::MetadataFlagFrozen,963			);964			target_collection.check_is_owner(&sender)?;965966			target_collection.meta_update_permission = value;967968			target_collection.save()969		}970971		/// Set schema standard972		/// ImageURL973		/// Unique974		///975		/// # Permissions976		///977		/// * Collection Owner978		/// * Collection Admin979		///980		/// # Arguments981		///982		/// * collection_id.983		///984		/// * schema: SchemaVersion: enum985		#[weight = <SelfWeightOf<T>>::set_schema_version()]986		#[transactional]987		pub fn set_schema_version(988			origin,989			collection_id: CollectionId,990			version: SchemaVersion991		) -> DispatchResult {992			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);993			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;994			target_collection.check_is_owner_or_admin(&sender)?;995			target_collection.schema_version = version;996997			<Pallet<T>>::deposit_event(Event::<T>::SchemaVersionSet(998				collection_id999			));10001001			target_collection.save()1002		}10031004		/// Set off-chain data schema.1005		///1006		/// # Permissions1007		///1008		/// * Collection Owner1009		/// * Collection Admin1010		///1011		/// # Arguments1012		///1013		/// * collection_id.1014		///1015		/// * schema: String representing the offchain data schema.1016		#[weight = <SelfWeightOf<T>>::set_offchain_schema(schema.len() as u32)]1017		#[transactional]1018		pub fn set_offchain_schema(1019			origin,1020			collection_id: CollectionId,1021			schema: BoundedVec<u8, ConstU32<OFFCHAIN_SCHEMA_LIMIT>>,1022		) -> DispatchResult {1023			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1024			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1025			target_collection.check_is_owner_or_admin(&sender)?;10261027			target_collection.offchain_schema = schema;10281029			<Pallet<T>>::deposit_event(Event::<T>::OffchainSchemaSet(1030				collection_id1031			));10321033			target_collection.save()1034		}10351036		/// Set const on-chain data schema.1037		///1038		/// # Permissions1039		///1040		/// * Collection Owner1041		/// * Collection Admin1042		///1043		/// # Arguments1044		///1045		/// * collection_id.1046		///1047		/// * schema: String representing the const on-chain data schema.1048		#[weight = <SelfWeightOf<T>>::set_const_on_chain_schema(schema.len() as u32)]1049		#[transactional]1050		pub fn set_const_on_chain_schema (1051			origin,1052			collection_id: CollectionId,1053			schema: BoundedVec<u8, ConstU32<CONST_ON_CHAIN_SCHEMA_LIMIT>>1054		) -> DispatchResult {1055			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1056			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1057			target_collection.check_is_owner_or_admin(&sender)?;10581059			target_collection.const_on_chain_schema = schema;10601061			<Pallet<T>>::deposit_event(Event::<T>::ConstOnChainSchemaSet(1062				collection_id1063			));10641065			target_collection.save()1066		}10671068		/// Set variable on-chain data schema.1069		///1070		/// # Permissions1071		///1072		/// * Collection Owner1073		/// * Collection Admin1074		///1075		/// # Arguments1076		///1077		/// * collection_id.1078		///1079		/// * schema: String representing the variable on-chain data schema.1080		#[weight = <SelfWeightOf<T>>::set_const_on_chain_schema(schema.len() as u32)]1081		#[transactional]1082		pub fn set_variable_on_chain_schema (1083			origin,1084			collection_id: CollectionId,1085			schema: BoundedVec<u8, ConstU32<VARIABLE_ON_CHAIN_SCHEMA_LIMIT>>1086		) -> DispatchResult {1087			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1088			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1089			target_collection.check_is_owner_or_admin(&sender)?;10901091			target_collection.variable_on_chain_schema = schema;10921093			<Pallet<T>>::deposit_event(Event::<T>::VariableOnChainSchemaSet(1094				collection_id1095			));10961097			target_collection.save()1098		}10991100		#[weight = <SelfWeightOf<T>>::set_collection_limits()]1101		#[transactional]1102		pub fn set_collection_limits(1103			origin,1104			collection_id: CollectionId,1105			new_limit: CollectionLimits,1106		) -> DispatchResult {1107			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1108			let mut target_collection = <CollectionHandle<T>>::try_get(collection_id)?;1109			target_collection.check_is_owner(&sender)?;1110			let old_limit = &target_collection.limits;11111112			target_collection.limits = <PalletCommon<T>>::clamp_limits(target_collection.mode.clone(), &old_limit, new_limit)?;11131114			<Pallet<T>>::deposit_event(Event::<T>::CollectionLimitSet(1115				collection_id1116			));11171118			target_collection.save()1119		}1120	}1121}