git.delta.rocks / unique-network / refs/commits / d8b03ef62dde

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//! This module contains the implementation of pallet methods for evm.1819pub use pallet_evm::{PrecompileOutput, PrecompileResult, PrecompileHandle, account::CrossAccountId};20use evm_coder::{21	abi::AbiType,22	solidity_interface, solidity, ToLog,23	types::*,24	types::Property as PropertyStruct,25	execution::{Result, Error},26	weight,27};28use pallet_evm_coder_substrate::dispatch_to_evm;29use sp_std::{vec, vec::Vec};30use up_data_structs::{31	AccessMode, CollectionMode, CollectionPermissions, OwnerRestrictedSet, Property,32	SponsoringRateLimit, SponsorshipState,33};34use alloc::format;3536use crate::{37	Pallet, CollectionHandle, Config, CollectionProperties, SelfWeightOf,38	eth::{39		EthCrossAccount, convert_cross_account_to_uint256, CollectionPermissions as EvmPermissions,40		CollectionLimits as EvmCollectionLimits,41	},42	weights::WeightInfo,43};4445/// Events for ethereum collection helper.46#[derive(ToLog)]47pub enum CollectionHelpersEvents {48	/// The collection has been created.49	CollectionCreated {50		/// Collection owner.51		#[indexed]52		owner: address,5354		/// Collection ID.55		#[indexed]56		collection_id: address,57	},58	/// The collection has been destroyed.59	CollectionDestroyed {60		/// Collection ID.61		#[indexed]62		collection_id: address,63	},64	/// The collection has been changed.65	CollectionChanged {66		/// Collection ID.67		#[indexed]68		collection_id: address,69	},7071	/// The token has been changed.72	TokenChanged {73		/// Collection ID.74		#[indexed]75		collection_id: address,76		/// Token ID.77		token_id: uint256,78	},79}8081/// Does not always represent a full collection, for RFT it is either82/// collection (Implementing ERC721), or specific collection token (Implementing ERC20).83pub trait CommonEvmHandler {84	/// Raw compiled binary code of the contract stub85	const CODE: &'static [u8];8687	/// Call precompiled handle.88	fn call(self, handle: &mut impl PrecompileHandle) -> Option<PrecompileResult>;89}9091/// @title A contract that allows you to work with collections.92#[solidity_interface(name = Collection)]93impl<T: Config> CollectionHandle<T>94where95	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,96{97	/// Set collection property.98	///99	/// @param key Property key.100	/// @param value Propery value.101	#[solidity(hide)]102	#[weight(<SelfWeightOf<T>>::set_collection_properties(1))]103	fn set_collection_property(104		&mut self,105		caller: caller,106		key: string,107		value: bytes,108	) -> Result<void> {109		let caller = T::CrossAccountId::from_eth(caller);110		let key = <Vec<u8>>::from(key)111			.try_into()112			.map_err(|_| "key too large")?;113		let value = value.0.try_into().map_err(|_| "value too large")?;114115		<Pallet<T>>::set_collection_property(self, &caller, Property { key, value })116			.map_err(dispatch_to_evm::<T>)117	}118119	/// Set collection properties.120	///121	/// @param properties Vector of properties key/value pair.122	#[weight(<SelfWeightOf<T>>::set_collection_properties(properties.len() as u32))]123	fn set_collection_properties(124		&mut self,125		caller: caller,126		properties: Vec<PropertyStruct>,127	) -> Result<void> {128		let caller = T::CrossAccountId::from_eth(caller);129130		let properties = properties131			.into_iter()132			.map(|PropertyStruct { key, value }| {133				let key = <Vec<u8>>::from(key)134					.try_into()135					.map_err(|_| "key too large")?;136137				let value = value.0.try_into().map_err(|_| "value too large")?;138139				Ok(Property { key, value })140			})141			.collect::<Result<Vec<_>>>()?;142143		<Pallet<T>>::set_collection_properties(self, &caller, properties)144			.map_err(dispatch_to_evm::<T>)145	}146147	/// Delete collection property.148	///149	/// @param key Property key.150	#[solidity(hide)]151	#[weight(<SelfWeightOf<T>>::delete_collection_properties(1))]152	fn delete_collection_property(&mut self, caller: caller, key: string) -> Result<()> {153		let caller = T::CrossAccountId::from_eth(caller);154		let key = <Vec<u8>>::from(key)155			.try_into()156			.map_err(|_| "key too large")?;157158		<Pallet<T>>::delete_collection_property(self, &caller, key).map_err(dispatch_to_evm::<T>)159	}160161	/// Delete collection properties.162	///163	/// @param keys Properties keys.164	#[weight(<SelfWeightOf<T>>::delete_collection_properties(keys.len() as u32))]165	fn delete_collection_properties(&mut self, caller: caller, keys: Vec<string>) -> Result<()> {166		let caller = T::CrossAccountId::from_eth(caller);167		let keys = keys168			.into_iter()169			.map(|key| {170				<Vec<u8>>::from(key)171					.try_into()172					.map_err(|_| Error::Revert("key too large".into()))173			})174			.collect::<Result<Vec<_>>>()?;175176		<Pallet<T>>::delete_collection_properties(self, &caller, keys).map_err(dispatch_to_evm::<T>)177	}178179	/// Get collection property.180	///181	/// @dev Throws error if key not found.182	///183	/// @param key Property key.184	/// @return bytes The property corresponding to the key.185	fn collection_property(&self, key: string) -> Result<bytes> {186		let key = <Vec<u8>>::from(key)187			.try_into()188			.map_err(|_| "key too large")?;189190		let props = CollectionProperties::<T>::get(self.id);191		let prop = props.get(&key).ok_or("key not found")?;192193		Ok(bytes(prop.to_vec()))194	}195196	/// Get collection properties.197	///198	/// @param keys Properties keys. Empty keys for all propertyes.199	/// @return Vector of properties key/value pairs.200	fn collection_properties(&self, keys: Vec<string>) -> Result<Vec<PropertyStruct>> {201		let keys = keys202			.into_iter()203			.map(|key| {204				<Vec<u8>>::from(key)205					.try_into()206					.map_err(|_| Error::Revert("key too large".into()))207			})208			.collect::<Result<Vec<_>>>()?;209210		let properties = Pallet::<T>::filter_collection_properties(211			self.id,212			if keys.is_empty() { None } else { Some(keys) },213		)214		.map_err(dispatch_to_evm::<T>)?;215216		let properties = properties217			.into_iter()218			.map(|p| {219				let key =220					string::from_utf8(p.key.into()).map_err(|e| Error::Revert(format!("{}", e)))?;221				let value = bytes(p.value.to_vec());222				Ok(PropertyStruct { key, value })223			})224			.collect::<Result<Vec<_>>>()?;225		Ok(properties)226	}227228	/// Set the sponsor of the collection.229	///230	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.231	///232	/// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.233	#[solidity(hide)]234	fn set_collection_sponsor(&mut self, caller: caller, sponsor: address) -> Result<void> {235		self.consume_store_reads_and_writes(1, 1)?;236237		let caller = T::CrossAccountId::from_eth(caller);238239		let sponsor = T::CrossAccountId::from_eth(sponsor);240		self.set_sponsor(&caller, sponsor.as_sub().clone())241			.map_err(dispatch_to_evm::<T>)242	}243244	/// Set the sponsor of the collection.245	///246	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.247	///248	/// @param sponsor Cross account address of the sponsor from whose account funds will be debited for operations with the contract.249	fn set_collection_sponsor_cross(250		&mut self,251		caller: caller,252		sponsor: EthCrossAccount,253	) -> Result<void> {254		self.consume_store_reads_and_writes(1, 1)?;255256		let caller = T::CrossAccountId::from_eth(caller);257258		let sponsor = sponsor.into_sub_cross_account::<T>()?;259		self.set_sponsor(&caller, sponsor.as_sub().clone())260			.map_err(dispatch_to_evm::<T>)261	}262263	/// Whether there is a pending sponsor.264	fn has_collection_pending_sponsor(&self) -> Result<bool> {265		Ok(matches!(266			self.collection.sponsorship,267			SponsorshipState::Unconfirmed(_)268		))269	}270271	/// Collection sponsorship confirmation.272	///273	/// @dev After setting the sponsor for the collection, it must be confirmed with this function.274	fn confirm_collection_sponsorship(&mut self, caller: caller) -> Result<void> {275		self.consume_store_writes(1)?;276277		let caller = T::CrossAccountId::from_eth(caller);278		self.confirm_sponsorship(caller.as_sub())279			.map_err(dispatch_to_evm::<T>)280	}281282	/// Remove collection sponsor.283	fn remove_collection_sponsor(&mut self, caller: caller) -> Result<void> {284		self.consume_store_reads_and_writes(1, 1)?;285		let caller = T::CrossAccountId::from_eth(caller);286		self.remove_sponsor(&caller).map_err(dispatch_to_evm::<T>)287	}288289	/// Get current sponsor.290	///291	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.292	fn collection_sponsor(&self) -> Result<(address, uint256)> {293		let sponsor = match self.collection.sponsorship.sponsor() {294			Some(sponsor) => sponsor,295			None => return Ok(Default::default()),296		};297		let sponsor = T::CrossAccountId::from_sub(sponsor.clone());298		let result: (address, uint256) = if sponsor.is_canonical_substrate() {299			let sponsor = convert_cross_account_to_uint256::<T>(&sponsor);300			(Default::default(), sponsor)301		} else {302			let sponsor = *sponsor.as_eth();303			(sponsor, Default::default())304		};305		Ok(result)306	}307308	/// Get current collection limits.309	///310	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:311	/// 	"accountTokenOwnershipLimit",312	/// 	"sponsoredDataSize",313	/// 	"sponsoredDataRateLimit",314	/// 	"tokenLimit",315	/// 	"sponsorTransferTimeout",316	/// 	"sponsorApproveTimeout"317	///  	"ownerCanTransfer",318	/// 	"ownerCanDestroy",319	/// 	"transfersEnabled"320	/// Return `false` if a limit not set.321	fn collection_limits(&self) -> Result<Vec<(EvmCollectionLimits, bool, uint256)>> {322		let convert_value_limit = |limit: EvmCollectionLimits,323		                           value: Option<u32>|324		 -> (EvmCollectionLimits, bool, uint256) {325			value326				.map(|v| (limit, true, v.into()))327				.unwrap_or((limit, false, Default::default()))328		};329330		let convert_bool_limit = |limit: EvmCollectionLimits,331		                          value: Option<bool>|332		 -> (EvmCollectionLimits, bool, uint256) {333			value334				.map(|v| {335					(336						limit,337						true,338						if v {339							uint256::from(1)340						} else {341							Default::default()342						},343					)344				})345				.unwrap_or((limit, false, Default::default()))346		};347348		let limits = &self.collection.limits;349350		Ok(vec![351			convert_value_limit(352				EvmCollectionLimits::AccountTokenOwnership,353				limits.account_token_ownership_limit,354			),355			convert_value_limit(356				EvmCollectionLimits::SponsoredDataSize,357				limits.sponsored_data_size,358			),359			limits360				.sponsored_data_rate_limit361				.and_then(|limit| {362					if let SponsoringRateLimit::Blocks(blocks) = limit {363						Some((364							EvmCollectionLimits::SponsoredDataRateLimit,365							true,366							blocks.into(),367						))368					} else {369						None370					}371				})372				.unwrap_or((373					EvmCollectionLimits::SponsoredDataRateLimit,374					false,375					Default::default(),376				)),377			convert_value_limit(EvmCollectionLimits::TokenLimit, limits.token_limit),378			convert_value_limit(379				EvmCollectionLimits::SponsorTransferTimeout,380				limits.sponsor_transfer_timeout,381			),382			convert_value_limit(383				EvmCollectionLimits::SponsorApproveTimeout,384				limits.sponsor_approve_timeout,385			),386			convert_bool_limit(387				EvmCollectionLimits::OwnerCanTransfer,388				limits.owner_can_transfer,389			),390			convert_bool_limit(391				EvmCollectionLimits::OwnerCanDestroy,392				limits.owner_can_destroy,393			),394			convert_bool_limit(395				EvmCollectionLimits::TransferEnabled,396				limits.transfers_enabled,397			),398		])399	}400401	/// Set limits for the collection.402	/// @dev Throws error if limit not found.403	/// @param limit Name of the limit. Valid names:404	/// 	"accountTokenOwnershipLimit",405	/// 	"sponsoredDataSize",406	/// 	"sponsoredDataRateLimit",407	/// 	"tokenLimit",408	/// 	"sponsorTransferTimeout",409	/// 	"sponsorApproveTimeout"410	///  	"ownerCanTransfer",411	/// 	"ownerCanDestroy",412	/// 	"transfersEnabled"413	/// @param status enable\disable limit. Works only with `true`.414	/// @param value Value of the limit.415	#[solidity(rename_selector = "setCollectionLimit")]416	fn set_collection_limit(417		&mut self,418		caller: caller,419		limit: EvmCollectionLimits,420		status: bool,421		value: uint256,422	) -> Result<void> {423		self.consume_store_reads_and_writes(1, 1)?;424425		if !status {426			return Err(Error::Revert("user can't disable limits".into()));427		}428429		let value = value430			.try_into()431			.map_err(|_| Error::Revert(format!("can't convert value to u32 \"{}\"", value)))?;432433		let convert_value_to_bool = || match value {434			0 => Ok(false),435			1 => Ok(true),436			_ => {437				return Err(Error::Revert(format!(438					"can't convert value to boolean \"{}\"",439					value440				)))441			}442		};443444		let mut limits = self.limits.clone();445446		match limit {447			EvmCollectionLimits::AccountTokenOwnership => {448				limits.account_token_ownership_limit = Some(value);449			}450			EvmCollectionLimits::SponsoredDataSize => {451				limits.sponsored_data_size = Some(value);452			}453			EvmCollectionLimits::SponsoredDataRateLimit => {454				limits.sponsored_data_rate_limit = Some(SponsoringRateLimit::Blocks(value));455			}456			EvmCollectionLimits::TokenLimit => {457				limits.token_limit = Some(value);458			}459			EvmCollectionLimits::SponsorTransferTimeout => {460				limits.sponsor_transfer_timeout = Some(value);461			}462			EvmCollectionLimits::SponsorApproveTimeout => {463				limits.sponsor_approve_timeout = Some(value);464			}465			EvmCollectionLimits::OwnerCanTransfer => {466				limits.owner_can_transfer = Some(convert_value_to_bool()?);467			}468			EvmCollectionLimits::OwnerCanDestroy => {469				limits.owner_can_destroy = Some(convert_value_to_bool()?);470			}471			EvmCollectionLimits::TransferEnabled => {472				limits.transfers_enabled = Some(convert_value_to_bool()?);473			}474			_ => return Err(Error::Revert(format!("unknown limit \"{:?}\"", limit))),475		}476477		let caller = T::CrossAccountId::from_eth(caller);478		<Pallet<T>>::update_limits(&caller, self, limits).map_err(dispatch_to_evm::<T>)479	}480481	/// Get contract address.482	fn contract_address(&self) -> Result<address> {483		Ok(crate::eth::collection_id_to_address(self.id))484	}485486	/// Add collection admin.487	/// @param newAdmin Cross account administrator address.488	fn add_collection_admin_cross(489		&mut self,490		caller: caller,491		new_admin: EthCrossAccount,492	) -> Result<void> {493		self.consume_store_reads_and_writes(2, 2)?;494495		let caller = T::CrossAccountId::from_eth(caller);496		let new_admin = new_admin.into_sub_cross_account::<T>()?;497		<Pallet<T>>::toggle_admin(self, &caller, &new_admin, true).map_err(dispatch_to_evm::<T>)?;498		Ok(())499	}500501	/// Remove collection admin.502	/// @param admin Cross account administrator address.503	fn remove_collection_admin_cross(504		&mut self,505		caller: caller,506		admin: EthCrossAccount,507	) -> Result<void> {508		self.consume_store_reads_and_writes(2, 2)?;509510		let caller = T::CrossAccountId::from_eth(caller);511		let admin = admin.into_sub_cross_account::<T>()?;512		<Pallet<T>>::toggle_admin(self, &caller, &admin, false).map_err(dispatch_to_evm::<T>)?;513		Ok(())514	}515516	/// Add collection admin.517	/// @param newAdmin Address of the added administrator.518	#[solidity(hide)]519	fn add_collection_admin(&mut self, caller: caller, new_admin: address) -> Result<void> {520		self.consume_store_reads_and_writes(2, 2)?;521522		let caller = T::CrossAccountId::from_eth(caller);523		let new_admin = T::CrossAccountId::from_eth(new_admin);524		<Pallet<T>>::toggle_admin(self, &caller, &new_admin, true).map_err(dispatch_to_evm::<T>)?;525		Ok(())526	}527528	/// Remove collection admin.529	///530	/// @param admin Address of the removed administrator.531	#[solidity(hide)]532	fn remove_collection_admin(&mut self, caller: caller, admin: address) -> Result<void> {533		self.consume_store_reads_and_writes(2, 2)?;534535		let caller = T::CrossAccountId::from_eth(caller);536		let admin = T::CrossAccountId::from_eth(admin);537		<Pallet<T>>::toggle_admin(self, &caller, &admin, false).map_err(dispatch_to_evm::<T>)?;538		Ok(())539	}540541	/// Toggle accessibility of collection nesting.542	///543	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'544	#[solidity(rename_selector = "setCollectionNesting")]545	fn set_nesting_bool(&mut self, caller: caller, enable: bool) -> Result<void> {546		self.consume_store_reads_and_writes(1, 1)?;547548		let caller = T::CrossAccountId::from_eth(caller);549550		let mut permissions = self.collection.permissions.clone();551		let mut nesting = permissions.nesting().clone();552		nesting.token_owner = enable;553		nesting.restricted = None;554		permissions.nesting = Some(nesting);555556		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)557	}558559	/// Toggle accessibility of collection nesting.560	///561	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'562	/// @param collections Addresses of collections that will be available for nesting.563	#[solidity(rename_selector = "setCollectionNesting")]564	fn set_nesting(565		&mut self,566		caller: caller,567		enable: bool,568		collections: Vec<address>,569	) -> Result<void> {570		self.consume_store_reads_and_writes(1, 1)?;571572		if collections.is_empty() {573			return Err("no addresses provided".into());574		}575		let caller = T::CrossAccountId::from_eth(caller);576577		let mut permissions = self.collection.permissions.clone();578		match enable {579			false => {580				let mut nesting = permissions.nesting().clone();581				nesting.token_owner = false;582				nesting.restricted = None;583				permissions.nesting = Some(nesting);584			}585			true => {586				let mut bv = OwnerRestrictedSet::new();587				for i in collections {588					bv.try_insert(crate::eth::map_eth_to_id(&i).ok_or_else(|| {589						Error::Revert("Can't convert address into collection id".into())590					})?)591					.map_err(|_| "too many collections")?;592				}593				let mut nesting = permissions.nesting().clone();594				nesting.token_owner = true;595				nesting.restricted = Some(bv);596				permissions.nesting = Some(nesting);597			}598		};599600		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)601	}602603	/// Returns nesting for a collection604	#[solidity(rename_selector = "collectionNestingRestrictedCollectionIds")]605	fn collection_nesting_restricted_ids(&self) -> Result<(bool, Vec<uint256>)> {606		let nesting = self.collection.permissions.nesting();607608		Ok((609			nesting.token_owner,610			nesting611				.restricted612				.clone()613				.map(|b| b.0.into_inner().iter().map(|id| id.0.into()).collect())614				.unwrap_or_default(),615		))616	}617618	/// Returns permissions for a collection619	fn collection_nesting_permissions(&self) -> Result<Vec<(EvmPermissions, bool)>> {620		let nesting = self.collection.permissions.nesting();621		Ok(vec![622			(EvmPermissions::CollectionAdmin, nesting.collection_admin),623			(EvmPermissions::TokenOwner, nesting.token_owner),624		])625	}626	/// Set the collection access method.627	/// @param mode Access mode628	/// 	0 for Normal629	/// 	1 for AllowList630	fn set_collection_access(&mut self, caller: caller, mode: uint8) -> Result<void> {631		self.consume_store_reads_and_writes(1, 1)?;632633		let caller = T::CrossAccountId::from_eth(caller);634		let permissions = CollectionPermissions {635			access: Some(match mode {636				0 => AccessMode::Normal,637				1 => AccessMode::AllowList,638				_ => return Err("not supported access mode".into()),639			}),640			..Default::default()641		};642		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)643	}644645	/// Checks that user allowed to operate with collection.646	///647	/// @param user User address to check.648	fn allowlisted_cross(&self, user: EthCrossAccount) -> Result<bool> {649		let user = user.into_sub_cross_account::<T>()?;650		Ok(Pallet::<T>::allowed(self.id, user))651	}652653	/// Add the user to the allowed list.654	///655	/// @param user Address of a trusted user.656	#[solidity(hide)]657	fn add_to_collection_allow_list(&mut self, caller: caller, user: address) -> Result<void> {658		self.consume_store_writes(1)?;659660		let caller = T::CrossAccountId::from_eth(caller);661		let user = T::CrossAccountId::from_eth(user);662		<Pallet<T>>::toggle_allowlist(self, &caller, &user, true).map_err(dispatch_to_evm::<T>)?;663		Ok(())664	}665666	/// Add user to allowed list.667	///668	/// @param user User cross account address.669	fn add_to_collection_allow_list_cross(670		&mut self,671		caller: caller,672		user: EthCrossAccount,673	) -> Result<void> {674		self.consume_store_writes(1)?;675676		let caller = T::CrossAccountId::from_eth(caller);677		let user = user.into_sub_cross_account::<T>()?;678		Pallet::<T>::toggle_allowlist(self, &caller, &user, true).map_err(dispatch_to_evm::<T>)?;679		Ok(())680	}681682	/// Remove the user from the allowed list.683	///684	/// @param user Address of a removed user.685	#[solidity(hide)]686	fn remove_from_collection_allow_list(&mut self, caller: caller, user: address) -> Result<void> {687		self.consume_store_writes(1)?;688689		let caller = T::CrossAccountId::from_eth(caller);690		let user = T::CrossAccountId::from_eth(user);691		<Pallet<T>>::toggle_allowlist(self, &caller, &user, false).map_err(dispatch_to_evm::<T>)?;692		Ok(())693	}694695	/// Remove user from allowed list.696	///697	/// @param user User cross account address.698	fn remove_from_collection_allow_list_cross(699		&mut self,700		caller: caller,701		user: EthCrossAccount,702	) -> Result<void> {703		self.consume_store_writes(1)?;704705		let caller = T::CrossAccountId::from_eth(caller);706		let user = user.into_sub_cross_account::<T>()?;707		Pallet::<T>::toggle_allowlist(self, &caller, &user, false).map_err(dispatch_to_evm::<T>)?;708		Ok(())709	}710711	/// Switch permission for minting.712	///713	/// @param mode Enable if "true".714	fn set_collection_mint_mode(&mut self, caller: caller, mode: bool) -> Result<void> {715		self.consume_store_reads_and_writes(1, 1)?;716717		let caller = T::CrossAccountId::from_eth(caller);718		let permissions = CollectionPermissions {719			mint_mode: Some(mode),720			..Default::default()721		};722		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)723	}724725	/// Check that account is the owner or admin of the collection726	///727	/// @param user account to verify728	/// @return "true" if account is the owner or admin729	#[solidity(hide, rename_selector = "isOwnerOrAdmin")]730	fn is_owner_or_admin_eth(&self, user: address) -> Result<bool> {731		let user = T::CrossAccountId::from_eth(user);732		Ok(self.is_owner_or_admin(&user))733	}734735	/// Check that account is the owner or admin of the collection736	///737	/// @param user User cross account to verify738	/// @return "true" if account is the owner or admin739	fn is_owner_or_admin_cross(&self, user: EthCrossAccount) -> Result<bool> {740		let user = user.into_sub_cross_account::<T>()?;741		Ok(self.is_owner_or_admin(&user))742	}743744	/// Returns collection type745	///746	/// @return `Fungible` or `NFT` or `ReFungible`747	fn unique_collection_type(&self) -> Result<string> {748		let mode = match self.collection.mode {749			CollectionMode::Fungible(_) => "Fungible",750			CollectionMode::NFT => "NFT",751			CollectionMode::ReFungible => "ReFungible",752		};753		Ok(mode.into())754	}755756	/// Get collection owner.757	///758	/// @return Tuble with sponsor address and his substrate mirror.759	/// If address is canonical then substrate mirror is zero and vice versa.760	fn collection_owner(&self) -> Result<EthCrossAccount> {761		Ok(EthCrossAccount::from_sub_cross_account::<T>(762			&T::CrossAccountId::from_sub(self.owner.clone()),763		))764	}765766	/// Changes collection owner to another account767	///768	/// @dev Owner can be changed only by current owner769	/// @param newOwner new owner account770	#[solidity(hide, rename_selector = "changeCollectionOwner")]771	fn set_owner(&mut self, caller: caller, new_owner: address) -> Result<void> {772		self.consume_store_writes(1)?;773774		let caller = T::CrossAccountId::from_eth(caller);775		let new_owner = T::CrossAccountId::from_eth(new_owner);776		self.change_owner(caller, new_owner)777			.map_err(dispatch_to_evm::<T>)778	}779780	/// Get collection administrators781	///782	/// @return Vector of tuples with admins address and his substrate mirror.783	/// If address is canonical then substrate mirror is zero and vice versa.784	fn collection_admins(&self) -> Result<Vec<EthCrossAccount>> {785		let result = crate::IsAdmin::<T>::iter_prefix((self.id,))786			.map(|(admin, _)| EthCrossAccount::from_sub_cross_account::<T>(&admin))787			.collect();788		Ok(result)789	}790791	/// Changes collection owner to another account792	///793	/// @dev Owner can be changed only by current owner794	/// @param newOwner new owner cross account795	fn change_collection_owner_cross(796		&mut self,797		caller: caller,798		new_owner: EthCrossAccount,799	) -> Result<void> {800		self.consume_store_writes(1)?;801802		let caller = T::CrossAccountId::from_eth(caller);803		let new_owner = new_owner.into_sub_cross_account::<T>()?;804		self.change_owner(caller, new_owner)805			.map_err(dispatch_to_evm::<T>)806	}807}808809/// ### Note810/// Do not forget to add: `self.consume_store_reads(1)?;`811fn check_is_owner_or_admin<T: Config>(812	caller: caller,813	collection: &CollectionHandle<T>,814) -> Result<T::CrossAccountId> {815	let caller = T::CrossAccountId::from_eth(caller);816	collection817		.check_is_owner_or_admin(&caller)818		.map_err(dispatch_to_evm::<T>)?;819	Ok(caller)820}821822/// ### Note823/// Do not forget to add: `self.consume_store_writes(1)?;`824fn save<T: Config>(collection: &CollectionHandle<T>) -> Result<void> {825	collection826		.check_is_internal()827		.map_err(dispatch_to_evm::<T>)?;828	collection.save().map_err(dispatch_to_evm::<T>)?;829	Ok(())830}831832/// Contains static property keys and values.833pub mod static_property {834	use evm_coder::{835		execution::{Result, Error},836	};837	use alloc::format;838839	const EXPECT_CONVERT_ERROR: &str = "length < limit";840841	/// Keys.842	pub mod key {843		use super::*;844845		/// Key "baseURI".846		pub fn base_uri() -> up_data_structs::PropertyKey {847			property_key_from_bytes(b"baseURI").expect(EXPECT_CONVERT_ERROR)848		}849850		/// Key "url".851		pub fn url() -> up_data_structs::PropertyKey {852			property_key_from_bytes(b"URI").expect(EXPECT_CONVERT_ERROR)853		}854855		/// Key "suffix".856		pub fn suffix() -> up_data_structs::PropertyKey {857			property_key_from_bytes(b"URISuffix").expect(EXPECT_CONVERT_ERROR)858		}859860		/// Key "parentNft".861		pub fn parent_nft() -> up_data_structs::PropertyKey {862			property_key_from_bytes(b"parentNft").expect(EXPECT_CONVERT_ERROR)863		}864	}865866	/// Convert `byte` to [`PropertyKey`].867	pub fn property_key_from_bytes(bytes: &[u8]) -> Result<up_data_structs::PropertyKey> {868		bytes.to_vec().try_into().map_err(|_| {869			Error::Revert(format!(870				"Property key is too long. Max length is {}.",871				up_data_structs::PropertyKey::bound()872			))873		})874	}875876	/// Convert `bytes` to [`PropertyValue`].877	pub fn property_value_from_bytes(bytes: &[u8]) -> Result<up_data_structs::PropertyValue> {878		bytes.to_vec().try_into().map_err(|_| {879			Error::Revert(format!(880				"Property key is too long. Max length is {}.",881				up_data_structs::PropertyKey::bound()882			))883		})884	}885}