git.delta.rocks / unique-network / refs/commits / 6dd2322471d4

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				.map(|limit| {362					(363						EvmCollectionLimits::SponsoredDataRateLimit,364						match limit {365							SponsoringRateLimit::Blocks(_) => true,366							_ => false,367						},368						match limit {369							SponsoringRateLimit::Blocks(blocks) => blocks.into(),370							_ => Default::default(),371						},372					)373				})374				.unwrap_or((375					EvmCollectionLimits::SponsoredDataRateLimit,376					false,377					Default::default(),378				)),379			convert_value_limit(EvmCollectionLimits::TokenLimit, limits.token_limit),380			convert_value_limit(381				EvmCollectionLimits::SponsorTransferTimeout,382				limits.sponsor_transfer_timeout,383			),384			convert_value_limit(385				EvmCollectionLimits::SponsorApproveTimeout,386				limits.sponsor_approve_timeout,387			),388			convert_bool_limit(389				EvmCollectionLimits::OwnerCanTransfer,390				limits.owner_can_transfer,391			),392			convert_bool_limit(393				EvmCollectionLimits::OwnerCanDestroy,394				limits.owner_can_destroy,395			),396			convert_bool_limit(397				EvmCollectionLimits::TransferEnabled,398				limits.transfers_enabled,399			),400		])401	}402403	/// Set limits for the collection.404	/// @dev Throws error if limit not found.405	/// @param limit Name of the limit. Valid names:406	/// 	"accountTokenOwnershipLimit",407	/// 	"sponsoredDataSize",408	/// 	"sponsoredDataRateLimit",409	/// 	"tokenLimit",410	/// 	"sponsorTransferTimeout",411	/// 	"sponsorApproveTimeout"412	///  	"ownerCanTransfer",413	/// 	"ownerCanDestroy",414	/// 	"transfersEnabled"415	/// @param status enable\disable limit. Works only with `true`.416	/// @param value Value of the limit.417	#[solidity(rename_selector = "setCollectionLimit")]418	fn set_collection_limit(419		&mut self,420		caller: caller,421		limit: EvmCollectionLimits,422		status: bool,423		value: uint256,424	) -> Result<void> {425		self.consume_store_reads_and_writes(1, 1)?;426427		if !status {428			return Err(Error::Revert("user can't disable limits".into()));429		}430431		let value = value432			.try_into()433			.map_err(|_| Error::Revert(format!("can't convert value to u32 \"{}\"", value)))?;434435		let convert_value_to_bool = || match value {436			0 => Ok(false),437			1 => Ok(true),438			_ => {439				return Err(Error::Revert(format!(440					"can't convert value to boolean \"{}\"",441					value442				)))443			}444		};445446		let mut limits = self.limits.clone();447448		match limit {449			EvmCollectionLimits::AccountTokenOwnership => {450				limits.account_token_ownership_limit = Some(value);451			}452			EvmCollectionLimits::SponsoredDataSize => {453				limits.sponsored_data_size = Some(value);454			}455			EvmCollectionLimits::SponsoredDataRateLimit => {456				limits.sponsored_data_rate_limit = Some(SponsoringRateLimit::Blocks(value));457			}458			EvmCollectionLimits::TokenLimit => {459				limits.token_limit = Some(value);460			}461			EvmCollectionLimits::SponsorTransferTimeout => {462				limits.sponsor_transfer_timeout = Some(value);463			}464			EvmCollectionLimits::SponsorApproveTimeout => {465				limits.sponsor_approve_timeout = Some(value);466			}467			EvmCollectionLimits::OwnerCanTransfer => {468				limits.owner_can_transfer = Some(convert_value_to_bool()?);469			}470			EvmCollectionLimits::OwnerCanDestroy => {471				limits.owner_can_destroy = Some(convert_value_to_bool()?);472			}473			EvmCollectionLimits::TransferEnabled => {474				limits.transfers_enabled = Some(convert_value_to_bool()?);475			}476			_ => return Err(Error::Revert(format!("unknown limit \"{:?}\"", limit))),477		}478479		let caller = T::CrossAccountId::from_eth(caller);480		<Pallet<T>>::update_limits(&caller, self, limits).map_err(dispatch_to_evm::<T>)481	}482483	/// Get contract address.484	fn contract_address(&self) -> Result<address> {485		Ok(crate::eth::collection_id_to_address(self.id))486	}487488	/// Add collection admin.489	/// @param newAdmin Cross account administrator address.490	fn add_collection_admin_cross(491		&mut self,492		caller: caller,493		new_admin: EthCrossAccount,494	) -> Result<void> {495		self.consume_store_reads_and_writes(2, 2)?;496497		let caller = T::CrossAccountId::from_eth(caller);498		let new_admin = new_admin.into_sub_cross_account::<T>()?;499		<Pallet<T>>::toggle_admin(self, &caller, &new_admin, true).map_err(dispatch_to_evm::<T>)?;500		Ok(())501	}502503	/// Remove collection admin.504	/// @param admin Cross account administrator address.505	fn remove_collection_admin_cross(506		&mut self,507		caller: caller,508		admin: EthCrossAccount,509	) -> Result<void> {510		self.consume_store_reads_and_writes(2, 2)?;511512		let caller = T::CrossAccountId::from_eth(caller);513		let admin = admin.into_sub_cross_account::<T>()?;514		<Pallet<T>>::toggle_admin(self, &caller, &admin, false).map_err(dispatch_to_evm::<T>)?;515		Ok(())516	}517518	/// Add collection admin.519	/// @param newAdmin Address of the added administrator.520	#[solidity(hide)]521	fn add_collection_admin(&mut self, caller: caller, new_admin: address) -> Result<void> {522		self.consume_store_reads_and_writes(2, 2)?;523524		let caller = T::CrossAccountId::from_eth(caller);525		let new_admin = T::CrossAccountId::from_eth(new_admin);526		<Pallet<T>>::toggle_admin(self, &caller, &new_admin, true).map_err(dispatch_to_evm::<T>)?;527		Ok(())528	}529530	/// Remove collection admin.531	///532	/// @param admin Address of the removed administrator.533	#[solidity(hide)]534	fn remove_collection_admin(&mut self, caller: caller, admin: address) -> Result<void> {535		self.consume_store_reads_and_writes(2, 2)?;536537		let caller = T::CrossAccountId::from_eth(caller);538		let admin = T::CrossAccountId::from_eth(admin);539		<Pallet<T>>::toggle_admin(self, &caller, &admin, false).map_err(dispatch_to_evm::<T>)?;540		Ok(())541	}542543	/// Toggle accessibility of collection nesting.544	///545	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'546	#[solidity(rename_selector = "setCollectionNesting")]547	fn set_nesting_bool(&mut self, caller: caller, enable: bool) -> Result<void> {548		self.consume_store_reads_and_writes(1, 1)?;549550		let caller = T::CrossAccountId::from_eth(caller);551552		let mut permissions = self.collection.permissions.clone();553		let mut nesting = permissions.nesting().clone();554		nesting.token_owner = enable;555		nesting.restricted = None;556		permissions.nesting = Some(nesting);557558		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)559	}560561	/// Toggle accessibility of collection nesting.562	///563	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'564	/// @param collections Addresses of collections that will be available for nesting.565	#[solidity(rename_selector = "setCollectionNesting")]566	fn set_nesting(567		&mut self,568		caller: caller,569		enable: bool,570		collections: Vec<address>,571	) -> Result<void> {572		self.consume_store_reads_and_writes(1, 1)?;573574		if collections.is_empty() {575			return Err("no addresses provided".into());576		}577		let caller = T::CrossAccountId::from_eth(caller);578579		let mut permissions = self.collection.permissions.clone();580		match enable {581			false => {582				let mut nesting = permissions.nesting().clone();583				nesting.token_owner = false;584				nesting.restricted = None;585				permissions.nesting = Some(nesting);586			}587			true => {588				let mut bv = OwnerRestrictedSet::new();589				for i in collections {590					bv.try_insert(crate::eth::map_eth_to_id(&i).ok_or_else(|| {591						Error::Revert("Can't convert address into collection id".into())592					})?)593					.map_err(|_| "too many collections")?;594				}595				let mut nesting = permissions.nesting().clone();596				nesting.token_owner = true;597				nesting.restricted = Some(bv);598				permissions.nesting = Some(nesting);599			}600		};601602		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)603	}604605	/// Returns nesting for a collection606	#[solidity(rename_selector = "collectionNestingRestrictedCollectionIds")]607	fn collection_nesting_restricted_ids(&self) -> Result<(bool, Vec<uint256>)> {608		let nesting = self.collection.permissions.nesting();609610		Ok((611			nesting.token_owner,612			nesting613				.restricted614				.clone()615				.map(|b| b.0.into_inner().iter().map(|id| id.0.into()).collect())616				.unwrap_or_default(),617		))618	}619620	/// Returns permissions for a collection621	fn collection_nesting_permissions(&self) -> Result<Vec<(EvmPermissions, bool)>> {622		let nesting = self.collection.permissions.nesting();623		Ok(vec![624			(EvmPermissions::CollectionAdmin, nesting.collection_admin),625			(EvmPermissions::TokenOwner, nesting.token_owner),626		])627	}628	/// Set the collection access method.629	/// @param mode Access mode630	/// 	0 for Normal631	/// 	1 for AllowList632	fn set_collection_access(&mut self, caller: caller, mode: uint8) -> Result<void> {633		self.consume_store_reads_and_writes(1, 1)?;634635		let caller = T::CrossAccountId::from_eth(caller);636		let permissions = CollectionPermissions {637			access: Some(match mode {638				0 => AccessMode::Normal,639				1 => AccessMode::AllowList,640				_ => return Err("not supported access mode".into()),641			}),642			..Default::default()643		};644		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)645	}646647	/// Checks that user allowed to operate with collection.648	///649	/// @param user User address to check.650	fn allowlisted_cross(&self, user: EthCrossAccount) -> Result<bool> {651		let user = user.into_sub_cross_account::<T>()?;652		Ok(Pallet::<T>::allowed(self.id, user))653	}654655	/// Add the user to the allowed list.656	///657	/// @param user Address of a trusted user.658	#[solidity(hide)]659	fn add_to_collection_allow_list(&mut self, caller: caller, user: address) -> Result<void> {660		self.consume_store_writes(1)?;661662		let caller = T::CrossAccountId::from_eth(caller);663		let user = T::CrossAccountId::from_eth(user);664		<Pallet<T>>::toggle_allowlist(self, &caller, &user, true).map_err(dispatch_to_evm::<T>)?;665		Ok(())666	}667668	/// Add user to allowed list.669	///670	/// @param user User cross account address.671	fn add_to_collection_allow_list_cross(672		&mut self,673		caller: caller,674		user: EthCrossAccount,675	) -> Result<void> {676		self.consume_store_writes(1)?;677678		let caller = T::CrossAccountId::from_eth(caller);679		let user = user.into_sub_cross_account::<T>()?;680		Pallet::<T>::toggle_allowlist(self, &caller, &user, true).map_err(dispatch_to_evm::<T>)?;681		Ok(())682	}683684	/// Remove the user from the allowed list.685	///686	/// @param user Address of a removed user.687	#[solidity(hide)]688	fn remove_from_collection_allow_list(&mut self, caller: caller, user: address) -> Result<void> {689		self.consume_store_writes(1)?;690691		let caller = T::CrossAccountId::from_eth(caller);692		let user = T::CrossAccountId::from_eth(user);693		<Pallet<T>>::toggle_allowlist(self, &caller, &user, false).map_err(dispatch_to_evm::<T>)?;694		Ok(())695	}696697	/// Remove user from allowed list.698	///699	/// @param user User cross account address.700	fn remove_from_collection_allow_list_cross(701		&mut self,702		caller: caller,703		user: EthCrossAccount,704	) -> Result<void> {705		self.consume_store_writes(1)?;706707		let caller = T::CrossAccountId::from_eth(caller);708		let user = user.into_sub_cross_account::<T>()?;709		Pallet::<T>::toggle_allowlist(self, &caller, &user, false).map_err(dispatch_to_evm::<T>)?;710		Ok(())711	}712713	/// Switch permission for minting.714	///715	/// @param mode Enable if "true".716	fn set_collection_mint_mode(&mut self, caller: caller, mode: bool) -> Result<void> {717		self.consume_store_reads_and_writes(1, 1)?;718719		let caller = T::CrossAccountId::from_eth(caller);720		let permissions = CollectionPermissions {721			mint_mode: Some(mode),722			..Default::default()723		};724		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)725	}726727	/// Check that account is the owner or admin of the collection728	///729	/// @param user account to verify730	/// @return "true" if account is the owner or admin731	#[solidity(hide, rename_selector = "isOwnerOrAdmin")]732	fn is_owner_or_admin_eth(&self, user: address) -> Result<bool> {733		let user = T::CrossAccountId::from_eth(user);734		Ok(self.is_owner_or_admin(&user))735	}736737	/// Check that account is the owner or admin of the collection738	///739	/// @param user User cross account to verify740	/// @return "true" if account is the owner or admin741	fn is_owner_or_admin_cross(&self, user: EthCrossAccount) -> Result<bool> {742		let user = user.into_sub_cross_account::<T>()?;743		Ok(self.is_owner_or_admin(&user))744	}745746	/// Returns collection type747	///748	/// @return `Fungible` or `NFT` or `ReFungible`749	fn unique_collection_type(&self) -> Result<string> {750		let mode = match self.collection.mode {751			CollectionMode::Fungible(_) => "Fungible",752			CollectionMode::NFT => "NFT",753			CollectionMode::ReFungible => "ReFungible",754		};755		Ok(mode.into())756	}757758	/// Get collection owner.759	///760	/// @return Tuble with sponsor address and his substrate mirror.761	/// If address is canonical then substrate mirror is zero and vice versa.762	fn collection_owner(&self) -> Result<EthCrossAccount> {763		Ok(EthCrossAccount::from_sub_cross_account::<T>(764			&T::CrossAccountId::from_sub(self.owner.clone()),765		))766	}767768	/// Changes collection owner to another account769	///770	/// @dev Owner can be changed only by current owner771	/// @param newOwner new owner account772	#[solidity(hide, rename_selector = "changeCollectionOwner")]773	fn set_owner(&mut self, caller: caller, new_owner: address) -> Result<void> {774		self.consume_store_writes(1)?;775776		let caller = T::CrossAccountId::from_eth(caller);777		let new_owner = T::CrossAccountId::from_eth(new_owner);778		self.change_owner(caller, new_owner)779			.map_err(dispatch_to_evm::<T>)780	}781782	/// Get collection administrators783	///784	/// @return Vector of tuples with admins address and his substrate mirror.785	/// If address is canonical then substrate mirror is zero and vice versa.786	fn collection_admins(&self) -> Result<Vec<EthCrossAccount>> {787		let result = crate::IsAdmin::<T>::iter_prefix((self.id,))788			.map(|(admin, _)| EthCrossAccount::from_sub_cross_account::<T>(&admin))789			.collect();790		Ok(result)791	}792793	/// Changes collection owner to another account794	///795	/// @dev Owner can be changed only by current owner796	/// @param newOwner new owner cross account797	fn change_collection_owner_cross(798		&mut self,799		caller: caller,800		new_owner: EthCrossAccount,801	) -> Result<void> {802		self.consume_store_writes(1)?;803804		let caller = T::CrossAccountId::from_eth(caller);805		let new_owner = new_owner.into_sub_cross_account::<T>()?;806		self.change_owner(caller, new_owner)807			.map_err(dispatch_to_evm::<T>)808	}809}810811/// ### Note812/// Do not forget to add: `self.consume_store_reads(1)?;`813fn check_is_owner_or_admin<T: Config>(814	caller: caller,815	collection: &CollectionHandle<T>,816) -> Result<T::CrossAccountId> {817	let caller = T::CrossAccountId::from_eth(caller);818	collection819		.check_is_owner_or_admin(&caller)820		.map_err(dispatch_to_evm::<T>)?;821	Ok(caller)822}823824/// ### Note825/// Do not forget to add: `self.consume_store_writes(1)?;`826fn save<T: Config>(collection: &CollectionHandle<T>) -> Result<void> {827	collection828		.check_is_internal()829		.map_err(dispatch_to_evm::<T>)?;830	collection.save().map_err(dispatch_to_evm::<T>)?;831	Ok(())832}833834/// Contains static property keys and values.835pub mod static_property {836	use evm_coder::{837		execution::{Result, Error},838	};839	use alloc::format;840841	const EXPECT_CONVERT_ERROR: &str = "length < limit";842843	/// Keys.844	pub mod key {845		use super::*;846847		/// Key "baseURI".848		pub fn base_uri() -> up_data_structs::PropertyKey {849			property_key_from_bytes(b"baseURI").expect(EXPECT_CONVERT_ERROR)850		}851852		/// Key "url".853		pub fn url() -> up_data_structs::PropertyKey {854			property_key_from_bytes(b"URI").expect(EXPECT_CONVERT_ERROR)855		}856857		/// Key "suffix".858		pub fn suffix() -> up_data_structs::PropertyKey {859			property_key_from_bytes(b"URISuffix").expect(EXPECT_CONVERT_ERROR)860		}861862		/// Key "parentNft".863		pub fn parent_nft() -> up_data_structs::PropertyKey {864			property_key_from_bytes(b"parentNft").expect(EXPECT_CONVERT_ERROR)865		}866	}867868	/// Convert `byte` to [`PropertyKey`].869	pub fn property_key_from_bytes(bytes: &[u8]) -> Result<up_data_structs::PropertyKey> {870		bytes.to_vec().try_into().map_err(|_| {871			Error::Revert(format!(872				"Property key is too long. Max length is {}.",873				up_data_structs::PropertyKey::bound()874			))875		})876	}877878	/// Convert `bytes` to [`PropertyValue`].879	pub fn property_value_from_bytes(bytes: &[u8]) -> Result<up_data_structs::PropertyValue> {880		bytes.to_vec().try_into().map_err(|_| {881			Error::Revert(format!(882				"Property key is too long. Max length is {}.",883				up_data_structs::PropertyKey::bound()884			))885		})886	}887}