git.delta.rocks / unique-network / refs/commits / fef3ff190e76

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	execution::{Result, Error},25	weight,26};27use pallet_evm_coder_substrate::dispatch_to_evm;28use sp_std::{vec, vec::Vec};29use up_data_structs::{30	AccessMode, CollectionMode, CollectionPermissions, OwnerRestrictedSet, Property,31	SponsoringRateLimit, SponsorshipState,32};33use alloc::format;3435use crate::{36	Pallet, CollectionHandle, Config, CollectionProperties, SelfWeightOf,37	eth::{38		Property as PropertyStruct, EthCrossAccount, CollectionPermissions as EvmPermissions,39		CollectionLimitField as EvmCollectionLimits, self,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<EthCrossAccount> {292		let sponsor = match self.collection.sponsorship.sponsor() {293			Some(sponsor) => sponsor,294			None => return Ok(Default::default()),295		};296297		Ok(EthCrossAccount::from_sub::<T>(&sponsor))298	}299300	/// Get current collection limits.301	///302	/// @return Array of collection limits303	fn collection_limits(&self) -> Result<Vec<eth::CollectionLimit>> {304		let limits = &self.collection.limits;305306		Ok(vec![307			eth::CollectionLimit::from_opt_int(308				EvmCollectionLimits::AccountTokenOwnership,309				limits.account_token_ownership_limit,310			),311			eth::CollectionLimit::from_opt_int(312				EvmCollectionLimits::SponsoredDataSize,313				limits.sponsored_data_size,314			),315			limits316				.sponsored_data_rate_limit317				.and_then(|limit| {318					if let SponsoringRateLimit::Blocks(blocks) = limit {319						Some(eth::CollectionLimit::from_int(320							EvmCollectionLimits::SponsoredDataRateLimit,321							blocks,322						))323					} else {324						None325					}326				})327				.unwrap_or(eth::CollectionLimit::from_int(328					EvmCollectionLimits::SponsoredDataRateLimit,329					Default::default(),330				)),331			eth::CollectionLimit::from_opt_int(EvmCollectionLimits::TokenLimit, limits.token_limit),332			eth::CollectionLimit::from_opt_int(333				EvmCollectionLimits::SponsorTransferTimeout,334				limits.sponsor_transfer_timeout,335			),336			eth::CollectionLimit::from_opt_int(337				EvmCollectionLimits::SponsorApproveTimeout,338				limits.sponsor_approve_timeout,339			),340			eth::CollectionLimit::from_opt_bool(341				EvmCollectionLimits::OwnerCanTransfer,342				limits.owner_can_transfer,343			),344			eth::CollectionLimit::from_opt_bool(345				EvmCollectionLimits::OwnerCanDestroy,346				limits.owner_can_destroy,347			),348			eth::CollectionLimit::from_opt_bool(349				EvmCollectionLimits::TransferEnabled,350				limits.transfers_enabled,351			),352		])353	}354355	/// Set limits for the collection.356	/// @dev Throws error if limit not found.357	/// @param limit Some limit.358	#[solidity(rename_selector = "setCollectionLimit")]359	fn set_collection_limit(360		&mut self,361		caller: caller,362		limit: eth::CollectionLimit,363	) -> Result<void> {364		self.consume_store_reads_and_writes(1, 1)?;365366		let caller = T::CrossAccountId::from_eth(caller);367		<Pallet<T>>::update_limits(&caller, self, limit.try_into()?).map_err(dispatch_to_evm::<T>)368	}369370	/// Get contract address.371	fn contract_address(&self) -> Result<address> {372		Ok(crate::eth::collection_id_to_address(self.id))373	}374375	/// Add collection admin.376	/// @param newAdmin Cross account administrator address.377	fn add_collection_admin_cross(378		&mut self,379		caller: caller,380		new_admin: EthCrossAccount,381	) -> Result<void> {382		self.consume_store_reads_and_writes(2, 2)?;383384		let caller = T::CrossAccountId::from_eth(caller);385		let new_admin = new_admin.into_sub_cross_account::<T>()?;386		<Pallet<T>>::toggle_admin(self, &caller, &new_admin, true).map_err(dispatch_to_evm::<T>)?;387		Ok(())388	}389390	/// Remove collection admin.391	/// @param admin Cross account administrator address.392	fn remove_collection_admin_cross(393		&mut self,394		caller: caller,395		admin: EthCrossAccount,396	) -> Result<void> {397		self.consume_store_reads_and_writes(2, 2)?;398399		let caller = T::CrossAccountId::from_eth(caller);400		let admin = admin.into_sub_cross_account::<T>()?;401		<Pallet<T>>::toggle_admin(self, &caller, &admin, false).map_err(dispatch_to_evm::<T>)?;402		Ok(())403	}404405	/// Add collection admin.406	/// @param newAdmin Address of the added administrator.407	#[solidity(hide)]408	fn add_collection_admin(&mut self, caller: caller, new_admin: address) -> Result<void> {409		self.consume_store_reads_and_writes(2, 2)?;410411		let caller = T::CrossAccountId::from_eth(caller);412		let new_admin = T::CrossAccountId::from_eth(new_admin);413		<Pallet<T>>::toggle_admin(self, &caller, &new_admin, true).map_err(dispatch_to_evm::<T>)?;414		Ok(())415	}416417	/// Remove collection admin.418	///419	/// @param admin Address of the removed administrator.420	#[solidity(hide)]421	fn remove_collection_admin(&mut self, caller: caller, admin: address) -> Result<void> {422		self.consume_store_reads_and_writes(2, 2)?;423424		let caller = T::CrossAccountId::from_eth(caller);425		let admin = T::CrossAccountId::from_eth(admin);426		<Pallet<T>>::toggle_admin(self, &caller, &admin, false).map_err(dispatch_to_evm::<T>)?;427		Ok(())428	}429430	/// Toggle accessibility of collection nesting.431	///432	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'433	#[solidity(rename_selector = "setCollectionNesting")]434	fn set_nesting_bool(&mut self, caller: caller, enable: bool) -> Result<void> {435		self.consume_store_reads_and_writes(1, 1)?;436437		let caller = T::CrossAccountId::from_eth(caller);438439		let mut permissions = self.collection.permissions.clone();440		let mut nesting = permissions.nesting().clone();441		nesting.token_owner = enable;442		nesting.restricted = None;443		permissions.nesting = Some(nesting);444445		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)446	}447448	/// Toggle accessibility of collection nesting.449	///450	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'451	/// @param collections Addresses of collections that will be available for nesting.452	#[solidity(rename_selector = "setCollectionNesting")]453	fn set_nesting(454		&mut self,455		caller: caller,456		enable: bool,457		collections: Vec<address>,458	) -> Result<void> {459		self.consume_store_reads_and_writes(1, 1)?;460461		if collections.is_empty() {462			return Err("no addresses provided".into());463		}464		let caller = T::CrossAccountId::from_eth(caller);465466		let mut permissions = self.collection.permissions.clone();467		match enable {468			false => {469				let mut nesting = permissions.nesting().clone();470				nesting.token_owner = false;471				nesting.restricted = None;472				permissions.nesting = Some(nesting);473			}474			true => {475				let mut bv = OwnerRestrictedSet::new();476				for i in collections {477					bv.try_insert(crate::eth::map_eth_to_id(&i).ok_or_else(|| {478						Error::Revert("Can't convert address into collection id".into())479					})?)480					.map_err(|_| "too many collections")?;481				}482				let mut nesting = permissions.nesting().clone();483				nesting.token_owner = true;484				nesting.restricted = Some(bv);485				permissions.nesting = Some(nesting);486			}487		};488489		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)490	}491492	/// Returns nesting for a collection493	#[solidity(rename_selector = "collectionNestingRestrictedCollectionIds")]494	fn collection_nesting_restricted_ids(&self) -> Result<(bool, Vec<uint256>)> {495		let nesting = self.collection.permissions.nesting();496497		Ok((498			nesting.token_owner,499			nesting500				.restricted501				.clone()502				.map(|b| b.0.into_inner().iter().map(|id| id.0.into()).collect())503				.unwrap_or_default(),504		))505	}506507	/// Returns permissions for a collection508	fn collection_nesting_permissions(&self) -> Result<Vec<(EvmPermissions, bool)>> {509		let nesting = self.collection.permissions.nesting();510		Ok(vec![511			(EvmPermissions::CollectionAdmin, nesting.collection_admin),512			(EvmPermissions::TokenOwner, nesting.token_owner),513		])514	}515	/// Set the collection access method.516	/// @param mode Access mode517	/// 	0 for Normal518	/// 	1 for AllowList519	fn set_collection_access(&mut self, caller: caller, mode: uint8) -> Result<void> {520		self.consume_store_reads_and_writes(1, 1)?;521522		let caller = T::CrossAccountId::from_eth(caller);523		let permissions = CollectionPermissions {524			access: Some(match mode {525				0 => AccessMode::Normal,526				1 => AccessMode::AllowList,527				_ => return Err("not supported access mode".into()),528			}),529			..Default::default()530		};531		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)532	}533534	/// Checks that user allowed to operate with collection.535	///536	/// @param user User address to check.537	fn allowlisted_cross(&self, user: EthCrossAccount) -> Result<bool> {538		let user = user.into_sub_cross_account::<T>()?;539		Ok(Pallet::<T>::allowed(self.id, user))540	}541542	/// Add the user to the allowed list.543	///544	/// @param user Address of a trusted user.545	#[solidity(hide)]546	fn add_to_collection_allow_list(&mut self, caller: caller, user: address) -> Result<void> {547		self.consume_store_writes(1)?;548549		let caller = T::CrossAccountId::from_eth(caller);550		let user = T::CrossAccountId::from_eth(user);551		<Pallet<T>>::toggle_allowlist(self, &caller, &user, true).map_err(dispatch_to_evm::<T>)?;552		Ok(())553	}554555	/// Add user to allowed list.556	///557	/// @param user User cross account address.558	fn add_to_collection_allow_list_cross(559		&mut self,560		caller: caller,561		user: EthCrossAccount,562	) -> Result<void> {563		self.consume_store_writes(1)?;564565		let caller = T::CrossAccountId::from_eth(caller);566		let user = user.into_sub_cross_account::<T>()?;567		Pallet::<T>::toggle_allowlist(self, &caller, &user, true).map_err(dispatch_to_evm::<T>)?;568		Ok(())569	}570571	/// Remove the user from the allowed list.572	///573	/// @param user Address of a removed user.574	#[solidity(hide)]575	fn remove_from_collection_allow_list(&mut self, caller: caller, user: address) -> Result<void> {576		self.consume_store_writes(1)?;577578		let caller = T::CrossAccountId::from_eth(caller);579		let user = T::CrossAccountId::from_eth(user);580		<Pallet<T>>::toggle_allowlist(self, &caller, &user, false).map_err(dispatch_to_evm::<T>)?;581		Ok(())582	}583584	/// Remove user from allowed list.585	///586	/// @param user User cross account address.587	fn remove_from_collection_allow_list_cross(588		&mut self,589		caller: caller,590		user: EthCrossAccount,591	) -> Result<void> {592		self.consume_store_writes(1)?;593594		let caller = T::CrossAccountId::from_eth(caller);595		let user = user.into_sub_cross_account::<T>()?;596		Pallet::<T>::toggle_allowlist(self, &caller, &user, false).map_err(dispatch_to_evm::<T>)?;597		Ok(())598	}599600	/// Switch permission for minting.601	///602	/// @param mode Enable if "true".603	fn set_collection_mint_mode(&mut self, caller: caller, mode: bool) -> Result<void> {604		self.consume_store_reads_and_writes(1, 1)?;605606		let caller = T::CrossAccountId::from_eth(caller);607		let permissions = CollectionPermissions {608			mint_mode: Some(mode),609			..Default::default()610		};611		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)612	}613614	/// Check that account is the owner or admin of the collection615	///616	/// @param user account to verify617	/// @return "true" if account is the owner or admin618	#[solidity(hide, rename_selector = "isOwnerOrAdmin")]619	fn is_owner_or_admin_eth(&self, user: address) -> Result<bool> {620		let user = T::CrossAccountId::from_eth(user);621		Ok(self.is_owner_or_admin(&user))622	}623624	/// Check that account is the owner or admin of the collection625	///626	/// @param user User cross account to verify627	/// @return "true" if account is the owner or admin628	fn is_owner_or_admin_cross(&self, user: EthCrossAccount) -> Result<bool> {629		let user = user.into_sub_cross_account::<T>()?;630		Ok(self.is_owner_or_admin(&user))631	}632633	/// Returns collection type634	///635	/// @return `Fungible` or `NFT` or `ReFungible`636	fn unique_collection_type(&self) -> Result<string> {637		let mode = match self.collection.mode {638			CollectionMode::Fungible(_) => "Fungible",639			CollectionMode::NFT => "NFT",640			CollectionMode::ReFungible => "ReFungible",641		};642		Ok(mode.into())643	}644645	/// Get collection owner.646	///647	/// @return Tuble with sponsor address and his substrate mirror.648	/// If address is canonical then substrate mirror is zero and vice versa.649	fn collection_owner(&self) -> Result<EthCrossAccount> {650		Ok(EthCrossAccount::from_sub_cross_account::<T>(651			&T::CrossAccountId::from_sub(self.owner.clone()),652		))653	}654655	/// Changes collection owner to another account656	///657	/// @dev Owner can be changed only by current owner658	/// @param newOwner new owner account659	#[solidity(hide, rename_selector = "changeCollectionOwner")]660	fn set_owner(&mut self, caller: caller, new_owner: address) -> Result<void> {661		self.consume_store_writes(1)?;662663		let caller = T::CrossAccountId::from_eth(caller);664		let new_owner = T::CrossAccountId::from_eth(new_owner);665		self.change_owner(caller, new_owner)666			.map_err(dispatch_to_evm::<T>)667	}668669	/// Get collection administrators670	///671	/// @return Vector of tuples with admins address and his substrate mirror.672	/// If address is canonical then substrate mirror is zero and vice versa.673	fn collection_admins(&self) -> Result<Vec<EthCrossAccount>> {674		let result = crate::IsAdmin::<T>::iter_prefix((self.id,))675			.map(|(admin, _)| EthCrossAccount::from_sub_cross_account::<T>(&admin))676			.collect();677		Ok(result)678	}679680	/// Changes collection owner to another account681	///682	/// @dev Owner can be changed only by current owner683	/// @param newOwner new owner cross account684	fn change_collection_owner_cross(685		&mut self,686		caller: caller,687		new_owner: EthCrossAccount,688	) -> Result<void> {689		self.consume_store_writes(1)?;690691		let caller = T::CrossAccountId::from_eth(caller);692		let new_owner = new_owner.into_sub_cross_account::<T>()?;693		self.change_owner(caller, new_owner)694			.map_err(dispatch_to_evm::<T>)695	}696}697698/// ### Note699/// Do not forget to add: `self.consume_store_reads(1)?;`700fn check_is_owner_or_admin<T: Config>(701	caller: caller,702	collection: &CollectionHandle<T>,703) -> Result<T::CrossAccountId> {704	let caller = T::CrossAccountId::from_eth(caller);705	collection706		.check_is_owner_or_admin(&caller)707		.map_err(dispatch_to_evm::<T>)?;708	Ok(caller)709}710711/// ### Note712/// Do not forget to add: `self.consume_store_writes(1)?;`713fn save<T: Config>(collection: &CollectionHandle<T>) -> Result<void> {714	collection715		.check_is_internal()716		.map_err(dispatch_to_evm::<T>)?;717	collection.save().map_err(dispatch_to_evm::<T>)?;718	Ok(())719}720721/// Contains static property keys and values.722pub mod static_property {723	use evm_coder::{724		execution::{Result, Error},725	};726	use alloc::format;727728	const EXPECT_CONVERT_ERROR: &str = "length < limit";729730	/// Keys.731	pub mod key {732		use super::*;733734		/// Key "baseURI".735		pub fn base_uri() -> up_data_structs::PropertyKey {736			property_key_from_bytes(b"baseURI").expect(EXPECT_CONVERT_ERROR)737		}738739		/// Key "url".740		pub fn url() -> up_data_structs::PropertyKey {741			property_key_from_bytes(b"URI").expect(EXPECT_CONVERT_ERROR)742		}743744		/// Key "suffix".745		pub fn suffix() -> up_data_structs::PropertyKey {746			property_key_from_bytes(b"URISuffix").expect(EXPECT_CONVERT_ERROR)747		}748749		/// Key "parentNft".750		pub fn parent_nft() -> up_data_structs::PropertyKey {751			property_key_from_bytes(b"parentNft").expect(EXPECT_CONVERT_ERROR)752		}753	}754755	/// Convert `byte` to [`PropertyKey`].756	pub fn property_key_from_bytes(bytes: &[u8]) -> Result<up_data_structs::PropertyKey> {757		bytes.to_vec().try_into().map_err(|_| {758			Error::Revert(format!(759				"Property key is too long. Max length is {}.",760				up_data_structs::PropertyKey::bound()761			))762		})763	}764765	/// Convert `bytes` to [`PropertyValue`].766	pub fn property_value_from_bytes(bytes: &[u8]) -> Result<up_data_structs::PropertyValue> {767		bytes.to_vec().try_into().map_err(|_| {768			Error::Revert(format!(769				"Property key is too long. Max length is {}.",770				up_data_structs::PropertyKey::bound()771			))772		})773	}774}