git.delta.rocks / unique-network / refs/commits / cbc95b83059b

1#![cfg_attr(not(feature = "std"), no_std)]23use core::ops::{Deref, DerefMut};4use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};5use sp_std::vec::Vec;6use account::CrossAccountId;7use frame_support::{8	dispatch::{DispatchErrorWithPostInfo, DispatchResultWithPostInfo},9	ensure, fail,10	traits::{Imbalance, Get, Currency},11	BoundedVec,12};13use pallet_evm::GasWeightMapping;14use up_data_structs::{15	COLLECTION_NUMBER_LIMIT, Collection, CollectionId, CreateItemData, ExistenceRequirement,16	MAX_TOKEN_PREFIX_LENGTH, COLLECTION_ADMINS_LIMIT, MetaUpdatePermission, Pays, PostDispatchInfo,17	TokenId, Weight, WithdrawReasons, CollectionStats, MAX_TOKEN_OWNERSHIP, CollectionMode,18	NFT_SPONSOR_TRANSFER_TIMEOUT, FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,19	REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, MAX_SPONSOR_TIMEOUT, CUSTOM_DATA_LIMIT, CollectionLimits,20	CustomDataLimit, CreateCollectionData, SponsorshipState, CreateItemExData,21};22pub use pallet::*;23use sp_core::H160;24use sp_runtime::{ArithmeticError, DispatchError, DispatchResult};25pub mod account;26#[cfg(feature = "runtime-benchmarks")]27pub mod benchmarking;28pub mod erc;29pub mod eth;3031#[must_use = "Should call submit_logs or save, otherwise some data will be lost for evm side"]32pub struct CollectionHandle<T: Config> {33	pub id: CollectionId,34	collection: Collection<T::AccountId>,35	pub recorder: SubstrateRecorder<T>,36}37impl<T: Config> WithRecorder<T> for CollectionHandle<T> {38	fn recorder(&self) -> &SubstrateRecorder<T> {39		&self.recorder40	}41	fn into_recorder(self) -> SubstrateRecorder<T> {42		self.recorder43	}44}45impl<T: Config> CollectionHandle<T> {46	pub fn new_with_gas_limit(id: CollectionId, gas_limit: u64) -> Option<Self> {47		<CollectionById<T>>::get(id).map(|collection| Self {48			id,49			collection,50			recorder: SubstrateRecorder::new(eth::collection_id_to_address(id), gas_limit),51		})52	}53	pub fn new(id: CollectionId) -> Option<Self> {54		Self::new_with_gas_limit(id, u64::MAX)55	}56	pub fn try_get(id: CollectionId) -> Result<Self, DispatchError> {57		Ok(Self::new(id).ok_or(<Error<T>>::CollectionNotFound)?)58	}59	pub fn log_mirrored(&self, log: impl evm_coder::ToLog) {60		self.recorder.log_mirrored(log)61	}62	pub fn log_direct(&self, log: impl evm_coder::ToLog) {63		self.recorder.log_direct(log)64	}65	pub fn consume_store_reads(&self, reads: u64) -> evm_coder::execution::Result<()> {66		self.recorder67			.consume_gas(T::GasWeightMapping::weight_to_gas(68				<T as frame_system::Config>::DbWeight::get()69					.read70					.saturating_mul(reads),71			))72	}73	pub fn consume_store_writes(&self, writes: u64) -> evm_coder::execution::Result<()> {74		self.recorder75			.consume_gas(T::GasWeightMapping::weight_to_gas(76				<T as frame_system::Config>::DbWeight::get()77					.write78					.saturating_mul(writes),79			))80	}81	pub fn submit_logs(self) {82		self.recorder.submit_logs()83	}84	pub fn save(self) -> DispatchResult {85		self.recorder.submit_logs();86		<CollectionById<T>>::insert(self.id, self.collection);87		Ok(())88	}89}90impl<T: Config> Deref for CollectionHandle<T> {91	type Target = Collection<T::AccountId>;9293	fn deref(&self) -> &Self::Target {94		&self.collection95	}96}9798impl<T: Config> DerefMut for CollectionHandle<T> {99	fn deref_mut(&mut self) -> &mut Self::Target {100		&mut self.collection101	}102}103104impl<T: Config> CollectionHandle<T> {105	pub fn check_is_owner(&self, subject: &T::CrossAccountId) -> DispatchResult {106		ensure!(*subject.as_sub() == self.owner, <Error<T>>::NoPermission);107		Ok(())108	}109	pub fn is_owner_or_admin(&self, subject: &T::CrossAccountId) -> bool {110		*subject.as_sub() == self.owner || <IsAdmin<T>>::get((self.id, subject))111	}112	pub fn check_is_owner_or_admin(&self, subject: &T::CrossAccountId) -> DispatchResult {113		ensure!(self.is_owner_or_admin(subject), <Error<T>>::NoPermission);114		Ok(())115	}116	pub fn ignores_allowance(&self, user: &T::CrossAccountId) -> bool {117		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)118	}119	pub fn ignores_owned_amount(&self, user: &T::CrossAccountId) -> bool {120		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)121	}122	pub fn check_allowlist(&self, user: &T::CrossAccountId) -> DispatchResult {123		ensure!(124			<Allowlist<T>>::get((self.id, user)),125			<Error<T>>::AddressNotInAllowlist126		);127		Ok(())128	}129130	pub fn check_can_update_meta(131		&self,132		subject: &T::CrossAccountId,133		item_owner: &T::CrossAccountId,134	) -> DispatchResult {135		match self.meta_update_permission {136			MetaUpdatePermission::ItemOwner => {137				ensure!(subject == item_owner, <Error<T>>::NoPermission);138				Ok(())139			}140			MetaUpdatePermission::Admin => self.check_is_owner_or_admin(subject),141			MetaUpdatePermission::None => fail!(<Error<T>>::NoPermission),142		}143	}144}145146#[frame_support::pallet]147pub mod pallet {148	use super::*;149	use frame_support::{Blake2_128Concat, pallet_prelude::*, storage::Key};150	use account::CrossAccountId;151	use frame_support::traits::Currency;152	use up_data_structs::TokenId;153	use scale_info::TypeInfo;154155	#[pallet::config]156	pub trait Config: frame_system::Config + pallet_evm_coder_substrate::Config + TypeInfo {157		type Event: IsType<<Self as frame_system::Config>::Event> + From<Event<Self>>;158159		type CrossAccountId: CrossAccountId<Self::AccountId>;160161		type EvmAddressMapping: pallet_evm::AddressMapping<Self::AccountId>;162		type EvmBackwardsAddressMapping: up_evm_mapping::EvmBackwardsAddressMapping<Self::AccountId>;163164		type Currency: Currency<Self::AccountId>;165166		#[pallet::constant]167		type CollectionCreationPrice: Get<168			<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,169		>;170171		type TreasuryAccountId: Get<Self::AccountId>;172	}173174	#[pallet::pallet]175	#[pallet::generate_store(pub(super) trait Store)]176	pub struct Pallet<T>(_);177178	#[pallet::extra_constants]179	impl<T: Config> Pallet<T> {180		pub fn collection_admins_limit() -> u32 {181			COLLECTION_ADMINS_LIMIT182		}183	}184185	#[pallet::event]186	#[pallet::generate_deposit(pub fn deposit_event)]187	pub enum Event<T: Config> {188		/// New collection was created189		///190		/// # Arguments191		///192		/// * collection_id: Globally unique identifier of newly created collection.193		///194		/// * mode: [CollectionMode] converted into u8.195		///196		/// * account_id: Collection owner.197		CollectionCreated(CollectionId, u8, T::AccountId),198199		/// New collection was destroyed200		///201		/// # Arguments202		///203		/// * collection_id: Globally unique identifier of collection.204		CollectionDestroyed(CollectionId),205206		/// New item was created.207		///208		/// # Arguments209		///210		/// * collection_id: Id of the collection where item was created.211		///212		/// * item_id: Id of an item. Unique within the collection.213		///214		/// * recipient: Owner of newly created item215		///216		/// * amount: Always 1 for NFT217		ItemCreated(CollectionId, TokenId, T::CrossAccountId, u128),218219		/// Collection item was burned.220		///221		/// # Arguments222		///223		/// * collection_id.224		///225		/// * item_id: Identifier of burned NFT.226		///227		/// * owner: which user has destroyed its tokens228		///229		/// * amount: Always 1 for NFT230		ItemDestroyed(CollectionId, TokenId, T::CrossAccountId, u128),231232		/// Item was transferred233		///234		/// * collection_id: Id of collection to which item is belong235		///236		/// * item_id: Id of an item237		///238		/// * sender: Original owner of item239		///240		/// * recipient: New owner of item241		///242		/// * amount: Always 1 for NFT243		Transfer(244			CollectionId,245			TokenId,246			T::CrossAccountId,247			T::CrossAccountId,248			u128,249		),250251		/// * collection_id252		///253		/// * item_id254		///255		/// * sender256		///257		/// * spender258		///259		/// * amount260		Approved(261			CollectionId,262			TokenId,263			T::CrossAccountId,264			T::CrossAccountId,265			u128,266		),267	}268269	#[pallet::error]270	pub enum Error<T> {271		/// This collection does not exist.272		CollectionNotFound,273		/// Sender parameter and item owner must be equal.274		MustBeTokenOwner,275		/// No permission to perform action276		NoPermission,277		/// Collection is not in mint mode.278		PublicMintingNotAllowed,279		/// Address is not in allow list.280		AddressNotInAllowlist,281282		/// Collection name can not be longer than 63 char.283		CollectionNameLimitExceeded,284		/// Collection description can not be longer than 255 char.285		CollectionDescriptionLimitExceeded,286		/// Token prefix can not be longer than 15 char.287		CollectionTokenPrefixLimitExceeded,288		/// Total collections bound exceeded.289		TotalCollectionsLimitExceeded,290		/// variable_data exceeded data limit.291		TokenVariableDataLimitExceeded,292		/// Exceeded max admin count293		CollectionAdminCountExceeded,294		/// Collection limit bounds per collection exceeded295		CollectionLimitBoundsExceeded,296		/// Tried to enable permissions which are only permitted to be disabled297		OwnerPermissionsCantBeReverted,298299		/// Collection settings not allowing items transferring300		TransferNotAllowed,301		/// Account token limit exceeded per collection302		AccountTokenLimitExceeded,303		/// Collection token limit exceeded304		CollectionTokenLimitExceeded,305		/// Metadata flag frozen306		MetadataFlagFrozen,307308		/// Item not exists.309		TokenNotFound,310		/// Item balance not enough.311		TokenValueTooLow,312		/// Requested value more than approved.313		ApprovedValueTooLow,314		/// Tried to approve more than owned315		CantApproveMoreThanOwned,316317		/// Can't transfer tokens to ethereum zero address318		AddressIsZero,319		/// Target collection doesn't supports this operation320		UnsupportedOperation,321	}322323	#[pallet::storage]324	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;325	#[pallet::storage]326	pub type DestroyedCollectionCount<T> =327		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;328329	/// Collection info330	#[pallet::storage]331	pub type CollectionById<T> = StorageMap<332		Hasher = Blake2_128Concat,333		Key = CollectionId,334		Value = Collection<<T as frame_system::Config>::AccountId>,335		QueryKind = OptionQuery,336	>;337338	#[pallet::storage]339	pub type AdminAmount<T> = StorageMap<340		Hasher = Blake2_128Concat,341		Key = CollectionId,342		Value = u32,343		QueryKind = ValueQuery,344	>;345346	/// List of collection admins347	#[pallet::storage]348	pub type IsAdmin<T: Config> = StorageNMap<349		Key = (350			Key<Blake2_128Concat, CollectionId>,351			Key<Blake2_128Concat, T::CrossAccountId>,352		),353		Value = bool,354		QueryKind = ValueQuery,355	>;356357	/// Allowlisted collection users358	#[pallet::storage]359	pub type Allowlist<T: Config> = StorageNMap<360		Key = (361			Key<Blake2_128Concat, CollectionId>,362			Key<Blake2_128Concat, T::CrossAccountId>,363		),364		Value = bool,365		QueryKind = ValueQuery,366	>;367368	/// Not used by code, exists only to provide some types to metadata369	#[pallet::storage]370	pub type DummyStorageValue<T> =371		StorageValue<Value = (CollectionStats, CollectionId, TokenId), QueryKind = OptionQuery>;372}373374impl<T: Config> Pallet<T> {375	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens376	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {377		ensure!(378			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,379			<Error<T>>::AddressIsZero380		);381		Ok(())382	}383	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {384		<IsAdmin<T>>::iter_prefix((collection,))385			.map(|(a, _)| a)386			.collect()387	}388	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {389		<Allowlist<T>>::iter_prefix((collection,))390			.map(|(a, _)| a)391			.collect()392	}393	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {394		<Allowlist<T>>::get((collection, user))395	}396	pub fn collection_stats() -> CollectionStats {397		let created = <CreatedCollectionCount<T>>::get();398		let destroyed = <DestroyedCollectionCount<T>>::get();399		CollectionStats {400			created: created.0,401			destroyed: destroyed.0,402			alive: created.0 - destroyed.0,403		}404	}405}406407impl<T: Config> Pallet<T> {408	pub fn init_collection(409		owner: T::AccountId,410		data: CreateCollectionData<T::AccountId>,411	) -> Result<CollectionId, DispatchError> {412		{413			ensure!(414				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,415				Error::<T>::CollectionTokenPrefixLimitExceeded416			);417		}418419		let created_count = <CreatedCollectionCount<T>>::get()420			.0421			.checked_add(1)422			.ok_or(ArithmeticError::Overflow)?;423		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;424		let id = CollectionId(created_count);425426		// bound Total number of collections427		ensure!(428			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,429			<Error<T>>::TotalCollectionsLimitExceeded430		);431432		// =========433434		let collection = Collection {435			owner: owner.clone(),436			name: data.name,437			mode: data.mode.clone(),438			mint_mode: false,439			access: data.access.unwrap_or_default(),440			description: data.description,441			token_prefix: data.token_prefix,442			offchain_schema: data.offchain_schema,443			schema_version: data.schema_version.unwrap_or_default(),444			sponsorship: data445				.pending_sponsor446				.map(SponsorshipState::Unconfirmed)447				.unwrap_or_default(),448			variable_on_chain_schema: data.variable_on_chain_schema,449			const_on_chain_schema: data.const_on_chain_schema,450			limits: data451				.limits452				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))453				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,454			meta_update_permission: data.meta_update_permission.unwrap_or_default(),455		};456457		// Take a (non-refundable) deposit of collection creation458		{459			let mut imbalance =460				<<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();461			imbalance.subsume(462				<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(463					&T::TreasuryAccountId::get(),464					T::CollectionCreationPrice::get(),465				),466			);467			<T as Config>::Currency::settle(468				&owner,469				imbalance,470				WithdrawReasons::TRANSFER,471				ExistenceRequirement::KeepAlive,472			)473			.map_err(|_| Error::<T>::NoPermission)?;474		}475476		<CreatedCollectionCount<T>>::put(created_count);477		<Pallet<T>>::deposit_event(Event::CollectionCreated(id, data.mode.id(), owner.clone()));478		<CollectionById<T>>::insert(id, collection);479		Ok(id)480	}481482	pub fn destroy_collection(483		collection: CollectionHandle<T>,484		sender: &T::CrossAccountId,485	) -> DispatchResult {486		ensure!(487			collection.limits.owner_can_destroy(),488			<Error<T>>::NoPermission,489		);490		collection.check_is_owner(sender)?;491492		let destroyed_collections = <DestroyedCollectionCount<T>>::get()493			.0494			.checked_add(1)495			.ok_or(ArithmeticError::Overflow)?;496497		// =========498499		<DestroyedCollectionCount<T>>::put(destroyed_collections);500		<CollectionById<T>>::remove(collection.id);501		<AdminAmount<T>>::remove(collection.id);502		<IsAdmin<T>>::remove_prefix((collection.id,), None);503		<Allowlist<T>>::remove_prefix((collection.id,), None);504505		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));506		Ok(())507	}508509	pub fn toggle_allowlist(510		collection: &CollectionHandle<T>,511		sender: &T::CrossAccountId,512		user: &T::CrossAccountId,513		allowed: bool,514	) -> DispatchResult {515		collection.check_is_owner_or_admin(sender)?;516517		// =========518519		if allowed {520			<Allowlist<T>>::insert((collection.id, user), true);521		} else {522			<Allowlist<T>>::remove((collection.id, user));523		}524525		Ok(())526	}527528	pub fn toggle_admin(529		collection: &CollectionHandle<T>,530		sender: &T::CrossAccountId,531		user: &T::CrossAccountId,532		admin: bool,533	) -> DispatchResult {534		collection.check_is_owner_or_admin(sender)?;535536		let was_admin = <IsAdmin<T>>::get((collection.id, user));537		if was_admin == admin {538			return Ok(());539		}540		let amount = <AdminAmount<T>>::get(collection.id);541542		if admin {543			let amount = amount544				.checked_add(1)545				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;546			ensure!(547				amount <= Self::collection_admins_limit(),548				<Error<T>>::CollectionAdminCountExceeded,549			);550551			// =========552553			<AdminAmount<T>>::insert(collection.id, amount);554			<IsAdmin<T>>::insert((collection.id, user), true);555		} else {556			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));557			<IsAdmin<T>>::remove((collection.id, user));558		}559560		Ok(())561	}562563	pub fn clamp_limits(564		mode: CollectionMode,565		old_limit: &CollectionLimits,566		mut new_limit: CollectionLimits,567	) -> Result<CollectionLimits, DispatchError> {568		macro_rules! limit_default {569				($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{570					$(571						if let Some($new) = $new.$field {572							let $old = $old.$field($($arg)?);573							let _ = $new;574							let _ = $old;575							$check576						} else {577							$new.$field = $old.$field578						}579					)*580				}};581			}582583		limit_default!(old_limit, new_limit,584			account_token_ownership_limit => ensure!(585				new_limit <= MAX_TOKEN_OWNERSHIP,586				<Error<T>>::CollectionLimitBoundsExceeded,587			),588			sponsor_transfer_timeout(match mode {589				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,590				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,591				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,592			}) => ensure!(593				new_limit <= MAX_SPONSOR_TIMEOUT,594				<Error<T>>::CollectionLimitBoundsExceeded,595			),596			sponsored_data_size => ensure!(597				new_limit <= CUSTOM_DATA_LIMIT,598				<Error<T>>::CollectionLimitBoundsExceeded,599			),600			token_limit => ensure!(601				old_limit >= new_limit && new_limit > 0,602				<Error<T>>::CollectionTokenLimitExceeded603			),604			owner_can_transfer => ensure!(605				old_limit || !new_limit,606				<Error<T>>::OwnerPermissionsCantBeReverted,607			),608			owner_can_destroy => ensure!(609				old_limit || !new_limit,610				<Error<T>>::OwnerPermissionsCantBeReverted,611			),612			sponsored_data_rate_limit => {},613			transfers_enabled => {},614		);615		Ok(new_limit)616	}617}618619#[macro_export]620macro_rules! unsupported {621	() => {622		Err(<Error<T>>::UnsupportedOperation.into())623	};624}625626/// Worst cases627pub trait CommonWeightInfo<CrossAccountId> {628	fn create_item() -> Weight;629	fn create_multiple_items(amount: u32) -> Weight;630	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;631	fn burn_item() -> Weight;632	fn transfer() -> Weight;633	fn approve() -> Weight;634	fn transfer_from() -> Weight;635	fn burn_from() -> Weight;636	fn set_variable_metadata(bytes: u32) -> Weight;637}638639pub trait CommonCollectionOperations<T: Config> {640	fn create_item(641		&self,642		sender: T::CrossAccountId,643		to: T::CrossAccountId,644		data: CreateItemData,645	) -> DispatchResultWithPostInfo;646	fn create_multiple_items(647		&self,648		sender: T::CrossAccountId,649		to: T::CrossAccountId,650		data: Vec<CreateItemData>,651	) -> DispatchResultWithPostInfo;652	fn create_multiple_items_ex(653		&self,654		sender: T::CrossAccountId,655		data: CreateItemExData<T::CrossAccountId>,656	) -> DispatchResultWithPostInfo;657	fn burn_item(658		&self,659		sender: T::CrossAccountId,660		token: TokenId,661		amount: u128,662	) -> DispatchResultWithPostInfo;663664	fn transfer(665		&self,666		sender: T::CrossAccountId,667		to: T::CrossAccountId,668		token: TokenId,669		amount: u128,670	) -> DispatchResultWithPostInfo;671	fn approve(672		&self,673		sender: T::CrossAccountId,674		spender: T::CrossAccountId,675		token: TokenId,676		amount: u128,677	) -> DispatchResultWithPostInfo;678	fn transfer_from(679		&self,680		sender: T::CrossAccountId,681		from: T::CrossAccountId,682		to: T::CrossAccountId,683		token: TokenId,684		amount: u128,685	) -> DispatchResultWithPostInfo;686	fn burn_from(687		&self,688		sender: T::CrossAccountId,689		from: T::CrossAccountId,690		token: TokenId,691		amount: u128,692	) -> DispatchResultWithPostInfo;693694	fn set_variable_metadata(695		&self,696		sender: T::CrossAccountId,697		token: TokenId,698		data: BoundedVec<u8, CustomDataLimit>,699	) -> DispatchResultWithPostInfo;700701	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;702	fn token_exists(&self, token: TokenId) -> bool;703	fn last_token_id(&self) -> TokenId;704705	fn token_owner(&self, token: TokenId) -> Option<T::CrossAccountId>;706	fn const_metadata(&self, token: TokenId) -> Vec<u8>;707	fn variable_metadata(&self, token: TokenId) -> Vec<u8>;708709	/// How many tokens collection contains (Applicable to nonfungible/refungible)710	fn collection_tokens(&self) -> u32;711	/// Amount of different tokens account has (Applicable to nonfungible/refungible)712	fn account_balance(&self, account: T::CrossAccountId) -> u32;713	/// Amount of specific token account have (Applicable to fungible/refungible)714	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;715	fn allowance(716		&self,717		sender: T::CrossAccountId,718		spender: T::CrossAccountId,719		token: TokenId,720	) -> u128;721}722723// Flexible enough for implementing CommonCollectionOperations724pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {725	let post_info = PostDispatchInfo {726		actual_weight: Some(weight),727		pays_fee: Pays::Yes,728	};729	match res {730		Ok(()) => Ok(post_info),731		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),732	}733}