git.delta.rocks / unique-network / refs/commits / 162168030720

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	},41	weights::WeightInfo,42};4344/// Events for ethereum collection helper.45#[derive(ToLog)]46pub enum CollectionHelpersEvents {47	/// The collection has been created.48	CollectionCreated {49		/// Collection owner.50		#[indexed]51		owner: address,5253		/// Collection ID.54		#[indexed]55		collection_id: address,56	},57	/// The collection has been destroyed.58	CollectionDestroyed {59		/// Collection ID.60		#[indexed]61		collection_id: address,62	},63	/// The collection has been changed.64	CollectionChanged {65		/// Collection ID.66		#[indexed]67		collection_id: address,68	},6970	/// The token has been changed.71	TokenChanged {72		/// Collection ID.73		#[indexed]74		collection_id: address,75		/// Token ID.76		token_id: uint256,77	},78}7980/// Does not always represent a full collection, for RFT it is either81/// collection (Implementing ERC721), or specific collection token (Implementing ERC20).82pub trait CommonEvmHandler {83	/// Raw compiled binary code of the contract stub84	const CODE: &'static [u8];8586	/// Call precompiled handle.87	fn call(self, handle: &mut impl PrecompileHandle) -> Option<PrecompileResult>;88}8990/// @title A contract that allows you to work with collections.91#[solidity_interface(name = Collection)]92impl<T: Config> CollectionHandle<T>93where94	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,95{96	/// Set collection property.97	///98	/// @param key Property key.99	/// @param value Propery value.100	#[solidity(hide)]101	#[weight(<SelfWeightOf<T>>::set_collection_properties(1))]102	fn set_collection_property(103		&mut self,104		caller: caller,105		key: string,106		value: bytes,107	) -> Result<void> {108		let caller = T::CrossAccountId::from_eth(caller);109		let key = <Vec<u8>>::from(key)110			.try_into()111			.map_err(|_| "key too large")?;112		let value = value.0.try_into().map_err(|_| "value too large")?;113114		<Pallet<T>>::set_collection_property(self, &caller, Property { key, value })115			.map_err(dispatch_to_evm::<T>)116	}117118	/// Set collection properties.119	///120	/// @param properties Vector of properties key/value pair.121	#[weight(<SelfWeightOf<T>>::set_collection_properties(properties.len() as u32))]122	fn set_collection_properties(123		&mut self,124		caller: caller,125		properties: Vec<PropertyStruct>,126	) -> Result<void> {127		let caller = T::CrossAccountId::from_eth(caller);128129		let properties = properties130			.into_iter()131			.map(|PropertyStruct { key, value }| {132				let key = <Vec<u8>>::from(key)133					.try_into()134					.map_err(|_| "key too large")?;135136				let value = value.0.try_into().map_err(|_| "value too large")?;137138				Ok(Property { key, value })139			})140			.collect::<Result<Vec<_>>>()?;141142		<Pallet<T>>::set_collection_properties(self, &caller, properties)143			.map_err(dispatch_to_evm::<T>)144	}145146	/// Delete collection property.147	///148	/// @param key Property key.149	#[solidity(hide)]150	#[weight(<SelfWeightOf<T>>::delete_collection_properties(1))]151	fn delete_collection_property(&mut self, caller: caller, key: string) -> Result<()> {152		let caller = T::CrossAccountId::from_eth(caller);153		let key = <Vec<u8>>::from(key)154			.try_into()155			.map_err(|_| "key too large")?;156157		<Pallet<T>>::delete_collection_property(self, &caller, key).map_err(dispatch_to_evm::<T>)158	}159160	/// Delete collection properties.161	///162	/// @param keys Properties keys.163	#[weight(<SelfWeightOf<T>>::delete_collection_properties(keys.len() as u32))]164	fn delete_collection_properties(&mut self, caller: caller, keys: Vec<string>) -> Result<()> {165		let caller = T::CrossAccountId::from_eth(caller);166		let keys = keys167			.into_iter()168			.map(|key| {169				<Vec<u8>>::from(key)170					.try_into()171					.map_err(|_| Error::Revert("key too large".into()))172			})173			.collect::<Result<Vec<_>>>()?;174175		<Pallet<T>>::delete_collection_properties(self, &caller, keys).map_err(dispatch_to_evm::<T>)176	}177178	/// Get collection property.179	///180	/// @dev Throws error if key not found.181	///182	/// @param key Property key.183	/// @return bytes The property corresponding to the key.184	fn collection_property(&self, key: string) -> Result<bytes> {185		let key = <Vec<u8>>::from(key)186			.try_into()187			.map_err(|_| "key too large")?;188189		let props = CollectionProperties::<T>::get(self.id);190		let prop = props.get(&key).ok_or("key not found")?;191192		Ok(bytes(prop.to_vec()))193	}194195	/// Get collection properties.196	///197	/// @param keys Properties keys. Empty keys for all propertyes.198	/// @return Vector of properties key/value pairs.199	fn collection_properties(&self, keys: Vec<string>) -> Result<Vec<PropertyStruct>> {200		let keys = keys201			.into_iter()202			.map(|key| {203				<Vec<u8>>::from(key)204					.try_into()205					.map_err(|_| Error::Revert("key too large".into()))206			})207			.collect::<Result<Vec<_>>>()?;208209		let properties = Pallet::<T>::filter_collection_properties(210			self.id,211			if keys.is_empty() { None } else { Some(keys) },212		)213		.map_err(dispatch_to_evm::<T>)?;214215		let properties = properties216			.into_iter()217			.map(|p| {218				let key =219					string::from_utf8(p.key.into()).map_err(|e| Error::Revert(format!("{}", e)))?;220				let value = bytes(p.value.to_vec());221				Ok(PropertyStruct { key, value })222			})223			.collect::<Result<Vec<_>>>()?;224		Ok(properties)225	}226227	/// Set the sponsor of the collection.228	///229	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.230	///231	/// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.232	#[solidity(hide)]233	fn set_collection_sponsor(&mut self, caller: caller, sponsor: address) -> Result<void> {234		self.consume_store_reads_and_writes(1, 1)?;235236		let caller = T::CrossAccountId::from_eth(caller);237238		let sponsor = T::CrossAccountId::from_eth(sponsor);239		self.set_sponsor(&caller, sponsor.as_sub().clone())240			.map_err(dispatch_to_evm::<T>)241	}242243	/// Set the sponsor of the collection.244	///245	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.246	///247	/// @param sponsor Cross account address of the sponsor from whose account funds will be debited for operations with the contract.248	fn set_collection_sponsor_cross(249		&mut self,250		caller: caller,251		sponsor: EthCrossAccount,252	) -> Result<void> {253		self.consume_store_reads_and_writes(1, 1)?;254255		let caller = T::CrossAccountId::from_eth(caller);256257		let sponsor = sponsor.into_sub_cross_account::<T>()?;258		self.set_sponsor(&caller, sponsor.as_sub().clone())259			.map_err(dispatch_to_evm::<T>)260	}261262	/// Whether there is a pending sponsor.263	fn has_collection_pending_sponsor(&self) -> Result<bool> {264		Ok(matches!(265			self.collection.sponsorship,266			SponsorshipState::Unconfirmed(_)267		))268	}269270	/// Collection sponsorship confirmation.271	///272	/// @dev After setting the sponsor for the collection, it must be confirmed with this function.273	fn confirm_collection_sponsorship(&mut self, caller: caller) -> Result<void> {274		self.consume_store_writes(1)?;275276		let caller = T::CrossAccountId::from_eth(caller);277		self.confirm_sponsorship(caller.as_sub())278			.map_err(dispatch_to_evm::<T>)279	}280281	/// Remove collection sponsor.282	fn remove_collection_sponsor(&mut self, caller: caller) -> Result<void> {283		self.consume_store_reads_and_writes(1, 1)?;284		let caller = T::CrossAccountId::from_eth(caller);285		self.remove_sponsor(&caller).map_err(dispatch_to_evm::<T>)286	}287288	/// Get current sponsor.289	///290	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.291	fn collection_sponsor(&self) -> Result<(address, uint256)> {292		let sponsor = match self.collection.sponsorship.sponsor() {293			Some(sponsor) => sponsor,294			None => return Ok(Default::default()),295		};296		let sponsor = T::CrossAccountId::from_sub(sponsor.clone());297		let result: (address, uint256) = if sponsor.is_canonical_substrate() {298			let sponsor = convert_cross_account_to_uint256::<T>(&sponsor);299			(Default::default(), sponsor)300		} else {301			let sponsor = *sponsor.as_eth();302			(sponsor, Default::default())303		};304		Ok(result)305	}306307	/// Set limits for the collection.308	/// @dev Throws error if limit not found.309	/// @param limit Name of the limit. Valid names:310	/// 	"accountTokenOwnershipLimit",311	/// 	"sponsoredDataSize",312	/// 	"sponsoredDataRateLimit",313	/// 	"tokenLimit",314	/// 	"sponsorTransferTimeout",315	/// 	"sponsorApproveTimeout"316	///  	"ownerCanTransfer",317	/// 	"ownerCanDestroy",318	/// 	"transfersEnabled"319	/// @param value Value of the limit.320	#[solidity(rename_selector = "setCollectionLimit")]321	fn set_int_limit(&mut self, caller: caller, limit: string, value: uint256) -> Result<void> {322		self.consume_store_reads_and_writes(1, 1)?;323324		let value = value325			.try_into()326			.map_err(|_| Error::Revert(format!("can't convert value to u32 \"{}\"", value)))?;327328		let convert_value_to_bool = || match value {329			0 => Ok(false),330			1 => Ok(true),331			_ => {332				return Err(Error::Revert(format!(333					"can't convert value to boolean \"{}\"",334					value335				)))336			}337		};338339		let mut limits = self.limits.clone();340341		match limit.as_str() {342			"accountTokenOwnershipLimit" => {343				limits.account_token_ownership_limit = Some(value);344			}345			"sponsoredDataSize" => {346				limits.sponsored_data_size = Some(value);347			}348			"sponsoredDataRateLimit" => {349				limits.sponsored_data_rate_limit = Some(SponsoringRateLimit::Blocks(value));350			}351			"tokenLimit" => {352				limits.token_limit = Some(value);353			}354			"sponsorTransferTimeout" => {355				limits.sponsor_transfer_timeout = Some(value);356			}357			"sponsorApproveTimeout" => {358				limits.sponsor_approve_timeout = Some(value);359			}360			"ownerCanTransfer" => {361				limits.owner_can_transfer = Some(convert_value_to_bool()?);362			}363			"ownerCanDestroy" => {364				limits.owner_can_destroy = Some(convert_value_to_bool()?);365			}366			"transfersEnabled" => {367				limits.transfers_enabled = Some(convert_value_to_bool()?);368			}369			_ => return Err(Error::Revert(format!("unknown limit \"{}\"", limit))),370		}371372		let caller = T::CrossAccountId::from_eth(caller);373		<Pallet<T>>::update_limits(&caller, self, limits).map_err(dispatch_to_evm::<T>)374	}375376	/// Get contract address.377	fn contract_address(&self) -> Result<address> {378		Ok(crate::eth::collection_id_to_address(self.id))379	}380381	/// Add collection admin.382	/// @param newAdmin Cross account administrator address.383	fn add_collection_admin_cross(384		&mut self,385		caller: caller,386		new_admin: EthCrossAccount,387	) -> Result<void> {388		self.consume_store_reads_and_writes(2, 2)?;389390		let caller = T::CrossAccountId::from_eth(caller);391		let new_admin = new_admin.into_sub_cross_account::<T>()?;392		<Pallet<T>>::toggle_admin(self, &caller, &new_admin, true).map_err(dispatch_to_evm::<T>)?;393		Ok(())394	}395396	/// Remove collection admin.397	/// @param admin Cross account administrator address.398	fn remove_collection_admin_cross(399		&mut self,400		caller: caller,401		admin: EthCrossAccount,402	) -> Result<void> {403		self.consume_store_reads_and_writes(2, 2)?;404405		let caller = T::CrossAccountId::from_eth(caller);406		let admin = admin.into_sub_cross_account::<T>()?;407		<Pallet<T>>::toggle_admin(self, &caller, &admin, false).map_err(dispatch_to_evm::<T>)?;408		Ok(())409	}410411	/// Add collection admin.412	/// @param newAdmin Address of the added administrator.413	#[solidity(hide)]414	fn add_collection_admin(&mut self, caller: caller, new_admin: address) -> Result<void> {415		self.consume_store_reads_and_writes(2, 2)?;416417		let caller = T::CrossAccountId::from_eth(caller);418		let new_admin = T::CrossAccountId::from_eth(new_admin);419		<Pallet<T>>::toggle_admin(self, &caller, &new_admin, true).map_err(dispatch_to_evm::<T>)?;420		Ok(())421	}422423	/// Remove collection admin.424	///425	/// @param admin Address of the removed administrator.426	#[solidity(hide)]427	fn remove_collection_admin(&mut self, caller: caller, admin: address) -> Result<void> {428		self.consume_store_reads_and_writes(2, 2)?;429430		let caller = T::CrossAccountId::from_eth(caller);431		let admin = T::CrossAccountId::from_eth(admin);432		<Pallet<T>>::toggle_admin(self, &caller, &admin, false).map_err(dispatch_to_evm::<T>)?;433		Ok(())434	}435436	/// Toggle accessibility of collection nesting.437	///438	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'439	#[solidity(rename_selector = "setCollectionNesting")]440	fn set_nesting_bool(&mut self, caller: caller, enable: bool) -> Result<void> {441		self.consume_store_reads_and_writes(1, 1)?;442443		let caller = T::CrossAccountId::from_eth(caller);444445		let mut permissions = self.collection.permissions.clone();446		let mut nesting = permissions.nesting().clone();447		nesting.token_owner = enable;448		nesting.restricted = None;449		permissions.nesting = Some(nesting);450451		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)452	}453454	/// Toggle accessibility of collection nesting.455	///456	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'457	/// @param collections Addresses of collections that will be available for nesting.458	#[solidity(rename_selector = "setCollectionNesting")]459	fn set_nesting(460		&mut self,461		caller: caller,462		enable: bool,463		collections: Vec<address>,464	) -> Result<void> {465		self.consume_store_reads_and_writes(1, 1)?;466467		if collections.is_empty() {468			return Err("no addresses provided".into());469		}470		let caller = T::CrossAccountId::from_eth(caller);471472		let mut permissions = self.collection.permissions.clone();473		match enable {474			false => {475				let mut nesting = permissions.nesting().clone();476				nesting.token_owner = false;477				nesting.restricted = None;478				permissions.nesting = Some(nesting);479			}480			true => {481				let mut bv = OwnerRestrictedSet::new();482				for i in collections {483					bv.try_insert(crate::eth::map_eth_to_id(&i).ok_or_else(|| {484						Error::Revert("Can't convert address into collection id".into())485					})?)486					.map_err(|_| "too many collections")?;487				}488				let mut nesting = permissions.nesting().clone();489				nesting.token_owner = true;490				nesting.restricted = Some(bv);491				permissions.nesting = Some(nesting);492			}493		};494495		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)496	}497498	/// Returns nesting for a collection499	#[solidity(rename_selector = "collectionNestingRestrictedCollectionIds")]500	fn collection_nesting_restricted_ids(&self) -> Result<(bool, Vec<uint256>)> {501		let nesting = self.collection.permissions.nesting();502503		Ok((504			nesting.token_owner,505			nesting506				.restricted507				.clone()508				.map(|b| b.0.into_inner().iter().map(|id| id.0.into()).collect())509				.unwrap_or_default(),510		))511	}512513	/// Returns permissions for a collection514	fn collection_nesting_permissions(&self) -> Result<Vec<(EvmPermissions, bool)>> {515		let nesting = self.collection.permissions.nesting();516		Ok(vec![517			(EvmPermissions::CollectionAdmin, nesting.collection_admin),518			(EvmPermissions::TokenOwner, nesting.token_owner),519		])520	}521	/// Set the collection access method.522	/// @param mode Access mode523	/// 	0 for Normal524	/// 	1 for AllowList525	fn set_collection_access(&mut self, caller: caller, mode: uint8) -> Result<void> {526		self.consume_store_reads_and_writes(1, 1)?;527528		let caller = T::CrossAccountId::from_eth(caller);529		let permissions = CollectionPermissions {530			access: Some(match mode {531				0 => AccessMode::Normal,532				1 => AccessMode::AllowList,533				_ => return Err("not supported access mode".into()),534			}),535			..Default::default()536		};537		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)538	}539540	/// Checks that user allowed to operate with collection.541	///542	/// @param user User address to check.543	fn allowlisted_cross(&self, user: EthCrossAccount) -> Result<bool> {544		let user = user.into_sub_cross_account::<T>()?;545		Ok(Pallet::<T>::allowed(self.id, user))546	}547548	/// Add the user to the allowed list.549	///550	/// @param user Address of a trusted user.551	#[solidity(hide)]552	fn add_to_collection_allow_list(&mut self, caller: caller, user: address) -> Result<void> {553		self.consume_store_writes(1)?;554555		let caller = T::CrossAccountId::from_eth(caller);556		let user = T::CrossAccountId::from_eth(user);557		<Pallet<T>>::toggle_allowlist(self, &caller, &user, true).map_err(dispatch_to_evm::<T>)?;558		Ok(())559	}560561	/// Add user to allowed list.562	///563	/// @param user User cross account address.564	fn add_to_collection_allow_list_cross(565		&mut self,566		caller: caller,567		user: EthCrossAccount,568	) -> Result<void> {569		self.consume_store_writes(1)?;570571		let caller = T::CrossAccountId::from_eth(caller);572		let user = user.into_sub_cross_account::<T>()?;573		Pallet::<T>::toggle_allowlist(self, &caller, &user, true).map_err(dispatch_to_evm::<T>)?;574		Ok(())575	}576577	/// Remove the user from the allowed list.578	///579	/// @param user Address of a removed user.580	#[solidity(hide)]581	fn remove_from_collection_allow_list(&mut self, caller: caller, user: address) -> Result<void> {582		self.consume_store_writes(1)?;583584		let caller = T::CrossAccountId::from_eth(caller);585		let user = T::CrossAccountId::from_eth(user);586		<Pallet<T>>::toggle_allowlist(self, &caller, &user, false).map_err(dispatch_to_evm::<T>)?;587		Ok(())588	}589590	/// Remove user from allowed list.591	///592	/// @param user User cross account address.593	fn remove_from_collection_allow_list_cross(594		&mut self,595		caller: caller,596		user: EthCrossAccount,597	) -> Result<void> {598		self.consume_store_writes(1)?;599600		let caller = T::CrossAccountId::from_eth(caller);601		let user = user.into_sub_cross_account::<T>()?;602		Pallet::<T>::toggle_allowlist(self, &caller, &user, false).map_err(dispatch_to_evm::<T>)?;603		Ok(())604	}605606	/// Switch permission for minting.607	///608	/// @param mode Enable if "true".609	fn set_collection_mint_mode(&mut self, caller: caller, mode: bool) -> Result<void> {610		self.consume_store_reads_and_writes(1, 1)?;611612		let caller = T::CrossAccountId::from_eth(caller);613		let permissions = CollectionPermissions {614			mint_mode: Some(mode),615			..Default::default()616		};617		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)618	}619620	/// Check that account is the owner or admin of the collection621	///622	/// @param user account to verify623	/// @return "true" if account is the owner or admin624	#[solidity(hide, rename_selector = "isOwnerOrAdmin")]625	fn is_owner_or_admin_eth(&self, user: address) -> Result<bool> {626		let user = T::CrossAccountId::from_eth(user);627		Ok(self.is_owner_or_admin(&user))628	}629630	/// Check that account is the owner or admin of the collection631	///632	/// @param user User cross account to verify633	/// @return "true" if account is the owner or admin634	fn is_owner_or_admin_cross(&self, user: EthCrossAccount) -> Result<bool> {635		let user = user.into_sub_cross_account::<T>()?;636		Ok(self.is_owner_or_admin(&user))637	}638639	/// Returns collection type640	///641	/// @return `Fungible` or `NFT` or `ReFungible`642	fn unique_collection_type(&self) -> Result<string> {643		let mode = match self.collection.mode {644			CollectionMode::Fungible(_) => "Fungible",645			CollectionMode::NFT => "NFT",646			CollectionMode::ReFungible => "ReFungible",647		};648		Ok(mode.into())649	}650651	/// Get collection owner.652	///653	/// @return Tuble with sponsor address and his substrate mirror.654	/// If address is canonical then substrate mirror is zero and vice versa.655	fn collection_owner(&self) -> Result<EthCrossAccount> {656		Ok(EthCrossAccount::from_sub_cross_account::<T>(657			&T::CrossAccountId::from_sub(self.owner.clone()),658		))659	}660661	/// Changes collection owner to another account662	///663	/// @dev Owner can be changed only by current owner664	/// @param newOwner new owner account665	#[solidity(hide, rename_selector = "changeCollectionOwner")]666	fn set_owner(&mut self, caller: caller, new_owner: address) -> Result<void> {667		self.consume_store_writes(1)?;668669		let caller = T::CrossAccountId::from_eth(caller);670		let new_owner = T::CrossAccountId::from_eth(new_owner);671		self.change_owner(caller, new_owner)672			.map_err(dispatch_to_evm::<T>)673	}674675	/// Get collection administrators676	///677	/// @return Vector of tuples with admins address and his substrate mirror.678	/// If address is canonical then substrate mirror is zero and vice versa.679	fn collection_admins(&self) -> Result<Vec<EthCrossAccount>> {680		let result = crate::IsAdmin::<T>::iter_prefix((self.id,))681			.map(|(admin, _)| EthCrossAccount::from_sub_cross_account::<T>(&admin))682			.collect();683		Ok(result)684	}685686	/// Changes collection owner to another account687	///688	/// @dev Owner can be changed only by current owner689	/// @param newOwner new owner cross account690	fn change_collection_owner_cross(691		&mut self,692		caller: caller,693		new_owner: EthCrossAccount,694	) -> Result<void> {695		self.consume_store_writes(1)?;696697		let caller = T::CrossAccountId::from_eth(caller);698		let new_owner = new_owner.into_sub_cross_account::<T>()?;699		self.change_owner(caller, new_owner)700			.map_err(dispatch_to_evm::<T>)701	}702}703704/// ### Note705/// Do not forget to add: `self.consume_store_reads(1)?;`706fn check_is_owner_or_admin<T: Config>(707	caller: caller,708	collection: &CollectionHandle<T>,709) -> Result<T::CrossAccountId> {710	let caller = T::CrossAccountId::from_eth(caller);711	collection712		.check_is_owner_or_admin(&caller)713		.map_err(dispatch_to_evm::<T>)?;714	Ok(caller)715}716717/// ### Note718/// Do not forget to add: `self.consume_store_writes(1)?;`719fn save<T: Config>(collection: &CollectionHandle<T>) -> Result<void> {720	collection721		.check_is_internal()722		.map_err(dispatch_to_evm::<T>)?;723	collection.save().map_err(dispatch_to_evm::<T>)?;724	Ok(())725}726727/// Contains static property keys and values.728pub mod static_property {729	use evm_coder::{730		execution::{Result, Error},731	};732	use alloc::format;733734	const EXPECT_CONVERT_ERROR: &str = "length < limit";735736	/// Keys.737	pub mod key {738		use super::*;739740		/// Key "baseURI".741		pub fn base_uri() -> up_data_structs::PropertyKey {742			property_key_from_bytes(b"baseURI").expect(EXPECT_CONVERT_ERROR)743		}744745		/// Key "url".746		pub fn url() -> up_data_structs::PropertyKey {747			property_key_from_bytes(b"URI").expect(EXPECT_CONVERT_ERROR)748		}749750		/// Key "suffix".751		pub fn suffix() -> up_data_structs::PropertyKey {752			property_key_from_bytes(b"URISuffix").expect(EXPECT_CONVERT_ERROR)753		}754755		/// Key "parentNft".756		pub fn parent_nft() -> up_data_structs::PropertyKey {757			property_key_from_bytes(b"parentNft").expect(EXPECT_CONVERT_ERROR)758		}759	}760761	/// Convert `byte` to [`PropertyKey`].762	pub fn property_key_from_bytes(bytes: &[u8]) -> Result<up_data_structs::PropertyKey> {763		bytes.to_vec().try_into().map_err(|_| {764			Error::Revert(format!(765				"Property key is too long. Max length is {}.",766				up_data_structs::PropertyKey::bound()767			))768		})769	}770771	/// Convert `bytes` to [`PropertyValue`].772	pub fn property_value_from_bytes(bytes: &[u8]) -> Result<up_data_structs::PropertyValue> {773		bytes.to_vec().try_into().map_err(|_| {774			Error::Revert(format!(775				"Property key is too long. Max length is {}.",776				up_data_structs::PropertyKey::bound()777			))778		})779	}780}