git.delta.rocks / unique-network / refs/commits / d8de1b3c39fb

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//! Implementation of CollectionHelpers contract.1819use core::marker::PhantomData;20use ethereum as _;21use evm_coder::{22	abi::AbiType, execution::*, generate_stubgen, solidity, solidity_interface, types::*, weight,23};24use frame_support::traits::Get;25use crate::Pallet;2627use pallet_common::{28	CollectionById,29	dispatch::CollectionDispatch,30	erc::{CollectionHelpersEvents, static_property::key},31	eth::{map_eth_to_id, collection_id_to_address},32	Pallet as PalletCommon,33};34use pallet_evm::{account::CrossAccountId, OnMethodCall, PrecompileHandle, PrecompileResult};35use pallet_evm_coder_substrate::{dispatch_to_evm, SubstrateRecorder, WithRecorder};36use sp_std::vec;37use up_data_structs::{38	CollectionDescription, CollectionMode, CollectionName, CollectionTokenPrefix,39	CreateCollectionData,40};4142use crate::{weights::WeightInfo, Config, SelfWeightOf};4344use alloc::format;45use sp_std::vec::Vec;4647/// See [`CollectionHelpersCall`]48pub struct EvmCollectionHelpers<T: Config>(SubstrateRecorder<T>);49impl<T: Config> WithRecorder<T> for EvmCollectionHelpers<T> {50	fn recorder(&self) -> &SubstrateRecorder<T> {51		&self.052	}5354	fn into_recorder(self) -> SubstrateRecorder<T> {55		self.056	}57}5859fn convert_data<T: Config>(60	caller: caller,61	name: string,62	description: string,63	token_prefix: string,64) -> Result<(65	T::CrossAccountId,66	CollectionName,67	CollectionDescription,68	CollectionTokenPrefix,69)> {70	let caller = T::CrossAccountId::from_eth(caller);71	let name = name72		.encode_utf16()73		.collect::<Vec<u16>>()74		.try_into()75		.map_err(|_| error_field_too_long(stringify!(name), CollectionName::bound()))?;76	let description = description77		.encode_utf16()78		.collect::<Vec<u16>>()79		.try_into()80		.map_err(|_| {81			error_field_too_long(stringify!(description), CollectionDescription::bound())82		})?;83	let token_prefix = token_prefix.into_bytes().try_into().map_err(|_| {84		error_field_too_long(stringify!(token_prefix), CollectionTokenPrefix::bound())85	})?;86	Ok((caller, name, description, token_prefix))87}8889#[inline(always)]90fn create_collection_internal<T: Config>(91	caller: caller,92	value: value,93	name: string,94	collection_mode: CollectionMode,95	description: string,96	token_prefix: string,97) -> Result<address> {98	let (caller, name, description, token_prefix) =99		convert_data::<T>(caller, name, description, token_prefix)?;100	let data = CreateCollectionData {101		name,102		mode: collection_mode,103		description,104		token_prefix,105		..Default::default()106	};107	check_sent_amount_equals_collection_creation_price::<T>(value)?;108	let collection_helpers_address =109		T::CrossAccountId::from_eth(<T as pallet_common::Config>::ContractAddress::get());110111	let collection_id = T::CollectionDispatch::create(112		caller.clone(),113		collection_helpers_address,114		data,115		Default::default(),116	)117	.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;118	let address = pallet_common::eth::collection_id_to_address(collection_id);119	Ok(address)120}121122fn check_sent_amount_equals_collection_creation_price<T: Config>(value: value) -> Result<()> {123	let value = value.as_u128();124	let creation_price: u128 = T::CollectionCreationPrice::get()125		.try_into()126		.map_err(|_| ()) // workaround for `expect` requiring `Debug` trait127		.expect("Collection creation price should be convertible to u128");128	if value != creation_price {129		return Err(format!(130			"Sent amount not equals to collection creation price ({0})",131			creation_price132		)133		.into());134	}135	Ok(())136}137138/// @title Contract, which allows users to operate with collections139#[solidity_interface(name = CollectionHelpers, events(CollectionHelpersEvents))]140impl<T> EvmCollectionHelpers<T>141where142	T: Config + pallet_common::Config + pallet_nonfungible::Config + pallet_refungible::Config,143{144	/// Create an NFT collection145	/// @param name Name of the collection146	/// @param description Informative description of the collection147	/// @param tokenPrefix Token prefix to represent the collection tokens in UI and user applications148	/// @return address Address of the newly created collection149	#[weight(<SelfWeightOf<T>>::create_collection())]150	#[solidity(rename_selector = "createNFTCollection")]151	fn create_nft_collection(152		&mut self,153		caller: caller,154		value: value,155		name: string,156		description: string,157		token_prefix: string,158	) -> Result<address> {159		let (caller, name, description, token_prefix) =160			convert_data::<T>(caller, name, description, token_prefix)?;161		let data = CreateCollectionData {162			name,163			mode: CollectionMode::NFT,164			description,165			token_prefix,166			..Default::default()167		};168		check_sent_amount_equals_collection_creation_price::<T>(value)?;169		let collection_helpers_address =170			T::CrossAccountId::from_eth(<T as pallet_common::Config>::ContractAddress::get());171		let collection_id = T::CollectionDispatch::create(172			caller,173			collection_helpers_address,174			data,175			Default::default(),176		)177		.map_err(dispatch_to_evm::<T>)?;178179		let address = pallet_common::eth::collection_id_to_address(collection_id);180		Ok(address)181	}182	/// Create an NFT collection183	/// @param name Name of the collection184	/// @param description Informative description of the collection185	/// @param tokenPrefix Token prefix to represent the collection tokens in UI and user applications186	/// @return address Address of the newly created collection187	#[weight(<SelfWeightOf<T>>::create_collection())]188	#[deprecated(note = "mathod was renamed to `create_nft_collection`, prefer it instead")]189	#[solidity(hide)]190	fn create_nonfungible_collection(191		&mut self,192		caller: caller,193		value: value,194		name: string,195		description: string,196		token_prefix: string,197	) -> Result<address> {198		create_collection_internal::<T>(199			caller,200			value,201			name,202			CollectionMode::NFT,203			description,204			token_prefix,205		)206	}207208	#[weight(<SelfWeightOf<T>>::create_collection())]209	#[solidity(rename_selector = "createRFTCollection")]210	fn create_rft_collection(211		&mut self,212		caller: caller,213		value: value,214		name: string,215		description: string,216		token_prefix: string,217	) -> Result<address> {218		create_collection_internal::<T>(219			caller,220			value,221			name,222			CollectionMode::ReFungible,223			description,224			token_prefix,225		)226	}227228	#[weight(<SelfWeightOf<T>>::create_collection())]229	#[solidity(rename_selector = "createFTCollection")]230	fn create_fungible_collection(231		&mut self,232		caller: caller,233		value: value,234		name: string,235		decimals: uint8,236		description: string,237		token_prefix: string,238	) -> Result<address> {239		create_collection_internal::<T>(240			caller,241			value,242			name,243			CollectionMode::Fungible(decimals),244			description,245			token_prefix,246		)247	}248249	#[solidity(rename_selector = "makeCollectionERC721MetadataCompatible")]250	fn make_collection_metadata_compatible(251		&mut self,252		caller: caller,253		collection: address,254		base_uri: string,255	) -> Result<()> {256		let caller = T::CrossAccountId::from_eth(caller);257		let collection =258			pallet_common::eth::map_eth_to_id(&collection).ok_or("not a collection address")?;259		let mut collection =260			<crate::CollectionHandle<T>>::new(collection).ok_or("collection not found")?;261262		if !matches!(263			collection.mode,264			CollectionMode::NFT | CollectionMode::ReFungible265		) {266			return Err("target collection should be either NFT or Refungible".into());267		}268269		self.recorder().consume_sstore()?;270		collection271			.check_is_owner_or_admin(&caller)272			.map_err(dispatch_to_evm::<T>)?;273274		if collection.flags.erc721metadata {275			return Err("target collection is already Erc721Metadata compatible".into());276		}277		collection.flags.erc721metadata = true;278279		let all_permissions = <pallet_common::CollectionPropertyPermissions<T>>::get(collection.id);280		if all_permissions.get(&key::url()).is_none() {281			self.recorder().consume_sstore()?;282			<PalletCommon<T>>::set_property_permission(283				&collection,284				&caller,285				up_data_structs::PropertyKeyPermission {286					key: key::url(),287					permission: up_data_structs::PropertyPermission {288						mutable: true,289						collection_admin: true,290						token_owner: false,291					},292				},293			)294			.map_err(dispatch_to_evm::<T>)?;295		}296		if all_permissions.get(&key::suffix()).is_none() {297			self.recorder().consume_sstore()?;298			<PalletCommon<T>>::set_property_permission(299				&collection,300				&caller,301				up_data_structs::PropertyKeyPermission {302					key: key::suffix(),303					permission: up_data_structs::PropertyPermission {304						mutable: true,305						collection_admin: true,306						token_owner: false,307					},308				},309			)310			.map_err(dispatch_to_evm::<T>)?;311		}312313		let all_properties = <pallet_common::CollectionProperties<T>>::get(collection.id);314		if all_properties.get(&key::base_uri()).is_none() && !base_uri.is_empty() {315			self.recorder().consume_sstore()?;316			<PalletCommon<T>>::set_collection_properties(317				&collection,318				&caller,319				vec![up_data_structs::Property {320					key: key::base_uri(),321					value: base_uri322						.into_bytes()323						.try_into()324						.map_err(|_| "base uri is too large")?,325				}],326			)327			.map_err(dispatch_to_evm::<T>)?;328		}329330		self.recorder().consume_sstore()?;331		collection.save().map_err(dispatch_to_evm::<T>)?;332333		Ok(())334	}335336	#[weight(<SelfWeightOf<T>>::destroy_collection())]337	fn destroy_collection(&mut self, caller: caller, collection_address: address) -> Result<void> {338		let caller = T::CrossAccountId::from_eth(caller);339340		let collection_id = pallet_common::eth::map_eth_to_id(&collection_address)341			.ok_or("Invalid collection address format")?;342		<Pallet<T>>::destroy_collection_internal(caller, collection_id)343			.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)344	}345346	/// Check if a collection exists347	/// @param collectionAddress Address of the collection in question348	/// @return bool Does the collection exist?349	fn is_collection_exist(&self, _caller: caller, collection_address: address) -> Result<bool> {350		if let Some(id) = pallet_common::eth::map_eth_to_id(&collection_address) {351			let collection_id = id;352			return Ok(<CollectionById<T>>::contains_key(collection_id));353		}354355		Ok(false)356	}357358	fn collection_creation_fee(&self) -> Result<value> {359		let price: u128 = T::CollectionCreationPrice::get()360			.try_into()361			.map_err(|_| ()) // workaround for `expect` requiring `Debug` trait362			.expect("Collection creation price should be convertible to u128");363		Ok(price.into())364	}365366	/// Returns address of a collection.367	/// @param collectionId  - CollectionId  of the collection368	/// @return eth mirror address of the collection369	fn collection_address(&self, collection_id: uint32) -> Result<address> {370		Ok(collection_id_to_address(collection_id.into()))371	}372373	/// Returns collectionId of a collection.374	/// @param collectionAddress  - Eth address of the collection375	/// @return collectionId of the collection376	fn collection_id(&self, collection_address: address) -> Result<uint32> {377		map_eth_to_id(&collection_address)378			.map(|id| id.0)379			.ok_or(Error::Revert(format!(380				"failed to convert address {} into collectionId.",381				collection_address382			)))383	}384}385386/// Implements [`OnMethodCall`], which delegates call to [`EvmCollectionHelpers`]387pub struct CollectionHelpersOnMethodCall<T: Config>(PhantomData<*const T>);388impl<T: Config + pallet_nonfungible::Config + pallet_refungible::Config> OnMethodCall<T>389	for CollectionHelpersOnMethodCall<T>390{391	fn is_reserved(contract: &sp_core::H160) -> bool {392		contract == &T::ContractAddress::get()393	}394395	fn is_used(contract: &sp_core::H160) -> bool {396		contract == &T::ContractAddress::get()397	}398399	fn call(handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {400		if handle.code_address() != T::ContractAddress::get() {401			return None;402		}403404		let helpers =405			EvmCollectionHelpers::<T>(SubstrateRecorder::<T>::new(handle.remaining_gas()));406		pallet_evm_coder_substrate::call(handle, helpers)407	}408409	fn get_code(contract: &sp_core::H160) -> Option<Vec<u8>> {410		(contract == &T::ContractAddress::get())411			.then(|| include_bytes!("./stubs/CollectionHelpers.raw").to_vec())412	}413}414415generate_stubgen!(collection_helper_impl, CollectionHelpersCall<()>, true);416generate_stubgen!(collection_helper_iface, CollectionHelpersCall<()>, false);417418fn error_field_too_long(feild: &str, bound: usize) -> Error {419	Error::Revert(format!("{} is too long. Max length is {}.", feild, bound))420}