`2ef175a77541`

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pallets/unique/src/eth/mod.rs12.0 KiBsource history
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	execution::*,23	generate_stubgen, solidity, solidity_interface,24	types::*,25	custom_signature::{SignatureUnit, FunctionSignature, SignaturePreferences},26	make_signature, weight,27};28use frame_support::traits::Get;29use crate::Pallet;3031use pallet_common::{32	CollectionById,33	dispatch::CollectionDispatch,34	erc::{static_property::key, CollectionHelpersEvents},35	Pallet as PalletCommon,36};37use pallet_evm::{account::CrossAccountId, OnMethodCall, PrecompileHandle, PrecompileResult};38use pallet_evm_coder_substrate::{dispatch_to_evm, SubstrateRecorder, WithRecorder};39use sp_std::vec;40use up_data_structs::{41	CollectionDescription, CollectionMode, CollectionName, CollectionTokenPrefix,42	CreateCollectionData,43};4445use crate::{weights::WeightInfo, Config, SelfWeightOf};4647use alloc::format;48use sp_std::vec::Vec;4950/// See [`CollectionHelpersCall`]51pub struct EvmCollectionHelpers<T: Config>(SubstrateRecorder<T>);52impl<T: Config> WithRecorder<T> for EvmCollectionHelpers<T> {53	fn recorder(&self) -> &SubstrateRecorder<T> {54		&self.055	}5657	fn into_recorder(self) -> SubstrateRecorder<T> {58		self.059	}60}6162fn convert_data<T: Config>(63	caller: caller,64	name: string,65	description: string,66	token_prefix: string,67) -> Result<(68	T::CrossAccountId,69	CollectionName,70	CollectionDescription,71	CollectionTokenPrefix,72)> {73	let caller = T::CrossAccountId::from_eth(caller);74	let name = name75		.encode_utf16()76		.collect::<Vec<u16>>()77		.try_into()78		.map_err(|_| error_field_too_long(stringify!(name), CollectionName::bound()))?;79	let description = description80		.encode_utf16()81		.collect::<Vec<u16>>()82		.try_into()83		.map_err(|_| {84			error_field_too_long(stringify!(description), CollectionDescription::bound())85		})?;86	let token_prefix = token_prefix.into_bytes().try_into().map_err(|_| {87		error_field_too_long(stringify!(token_prefix), CollectionTokenPrefix::bound())88	})?;89	Ok((caller, name, description, token_prefix))90}9192#[inline(always)]93fn create_collection_internal<T: Config>(94	caller: caller,95	value: value,96	name: string,97	collection_mode: CollectionMode,98	description: string,99	token_prefix: string,100) -> Result<address> {101	let (caller, name, description, token_prefix) =102		convert_data::<T>(caller, name, description, token_prefix)?;103	let data = CreateCollectionData {104		name,105		mode: collection_mode,106		description,107		token_prefix,108		..Default::default()109	};110	check_sent_amount_equals_collection_creation_price::<T>(value)?;111	let collection_helpers_address =112		T::CrossAccountId::from_eth(<T as pallet_common::Config>::ContractAddress::get());113114	let collection_id = T::CollectionDispatch::create(115		caller.clone(),116		collection_helpers_address,117		data,118		Default::default(),119	)120	.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;121	let address = pallet_common::eth::collection_id_to_address(collection_id);122	Ok(address)123}124125fn check_sent_amount_equals_collection_creation_price<T: Config>(value: value) -> Result<()> {126	let value = value.as_u128();127	let creation_price: u128 = T::CollectionCreationPrice::get()128		.try_into()129		.map_err(|_| ()) // workaround for `expect` requiring `Debug` trait130		.expect("Collection creation price should be convertible to u128");131	if value != creation_price {132		return Err(format!(133			"Sent amount not equals to collection creation price ({0})",134			creation_price135		)136		.into());137	}138	Ok(())139}140141/// @title Contract, which allows users to operate with collections142#[solidity_interface(name = CollectionHelpers, events(CollectionHelpersEvents))]143impl<T> EvmCollectionHelpers<T>144where145	T: Config + pallet_common::Config + pallet_nonfungible::Config + pallet_refungible::Config,146{147	/// Create an NFT collection148	/// @param name Name of the collection149	/// @param description Informative description of the collection150	/// @param tokenPrefix Token prefix to represent the collection tokens in UI and user applications151	/// @return address Address of the newly created collection152	#[weight(<SelfWeightOf<T>>::create_collection())]153	#[solidity(rename_selector = "createNFTCollection")]154	fn create_nft_collection(155		&mut self,156		caller: caller,157		value: value,158		name: string,159		description: string,160		token_prefix: string,161	) -> Result<address> {162		let (caller, name, description, token_prefix) =163			convert_data::<T>(caller, name, description, token_prefix)?;164		let data = CreateCollectionData {165			name,166			mode: CollectionMode::NFT,167			description,168			token_prefix,169			..Default::default()170		};171		check_sent_amount_equals_collection_creation_price::<T>(value)?;172		let collection_helpers_address =173			T::CrossAccountId::from_eth(<T as pallet_common::Config>::ContractAddress::get());174		let collection_id = T::CollectionDispatch::create(175			caller,176			collection_helpers_address,177			data,178			Default::default(),179		)180		.map_err(dispatch_to_evm::<T>)?;181182		let address = pallet_common::eth::collection_id_to_address(collection_id);183		Ok(address)184	}185	/// Create an NFT collection186	/// @param name Name of the collection187	/// @param description Informative description of the collection188	/// @param tokenPrefix Token prefix to represent the collection tokens in UI and user applications189	/// @return address Address of the newly created collection190	#[weight(<SelfWeightOf<T>>::create_collection())]191	#[deprecated(note = "mathod was renamed to `create_nft_collection`, prefer it instead")]192	#[solidity(hide)]193	fn create_nonfungible_collection(194		&mut self,195		caller: caller,196		value: value,197		name: string,198		description: string,199		token_prefix: string,200	) -> Result<address> {201		create_collection_internal::<T>(202			caller,203			value,204			name,205			CollectionMode::NFT,206			description,207			token_prefix,208		)209	}210211	#[weight(<SelfWeightOf<T>>::create_collection())]212	#[solidity(rename_selector = "createRFTCollection")]213	fn create_rft_collection(214		&mut self,215		caller: caller,216		value: value,217		name: string,218		description: string,219		token_prefix: string,220	) -> Result<address> {221		create_collection_internal::<T>(222			caller,223			value,224			name,225			CollectionMode::ReFungible,226			description,227			token_prefix,228		)229	}230231	#[weight(<SelfWeightOf<T>>::create_collection())]232	#[solidity(rename_selector = "createFTCollection")]233	fn create_fungible_collection(234		&mut self,235		caller: caller,236		value: value,237		name: string,238		decimals: uint8,239		description: string,240		token_prefix: string,241	) -> Result<address> {242		create_collection_internal::<T>(243			caller,244			value,245			name,246			CollectionMode::Fungible(decimals),247			description,248			token_prefix,249		)250	}251252	#[solidity(rename_selector = "makeCollectionERC721MetadataCompatible")]253	fn make_collection_metadata_compatible(254		&mut self,255		caller: caller,256		collection: address,257		base_uri: string,258	) -> Result<()> {259		let caller = T::CrossAccountId::from_eth(caller);260		let collection =261			pallet_common::eth::map_eth_to_id(&collection).ok_or("not a collection address")?;262		let mut collection =263			<crate::CollectionHandle<T>>::new(collection).ok_or("collection not found")?;264265		if !matches!(266			collection.mode,267			CollectionMode::NFT | CollectionMode::ReFungible268		) {269			return Err("target collection should be either NFT or Refungible".into());270		}271272		self.recorder().consume_sstore()?;273		collection274			.check_is_owner_or_admin(&caller)275			.map_err(dispatch_to_evm::<T>)?;276277		if collection.flags.erc721metadata {278			return Err("target collection is already Erc721Metadata compatible".into());279		}280		collection.flags.erc721metadata = true;281282		let all_permissions = <pallet_common::CollectionPropertyPermissions<T>>::get(collection.id);283		if all_permissions.get(&key::url()).is_none() {284			self.recorder().consume_sstore()?;285			<PalletCommon<T>>::set_property_permission(286				&collection,287				&caller,288				up_data_structs::PropertyKeyPermission {289					key: key::url(),290					permission: up_data_structs::PropertyPermission {291						mutable: true,292						collection_admin: true,293						token_owner: false,294					},295				},296			)297			.map_err(dispatch_to_evm::<T>)?;298		}299		if all_permissions.get(&key::suffix()).is_none() {300			self.recorder().consume_sstore()?;301			<PalletCommon<T>>::set_property_permission(302				&collection,303				&caller,304				up_data_structs::PropertyKeyPermission {305					key: key::suffix(),306					permission: up_data_structs::PropertyPermission {307						mutable: true,308						collection_admin: true,309						token_owner: false,310					},311				},312			)313			.map_err(dispatch_to_evm::<T>)?;314		}315316		let all_properties = <pallet_common::CollectionProperties<T>>::get(collection.id);317		if all_properties.get(&key::base_uri()).is_none() && !base_uri.is_empty() {318			self.recorder().consume_sstore()?;319			<PalletCommon<T>>::set_collection_properties(320				&collection,321				&caller,322				vec![up_data_structs::Property {323					key: key::base_uri(),324					value: base_uri325						.into_bytes()326						.try_into()327						.map_err(|_| "base uri is too large")?,328				}],329			)330			.map_err(dispatch_to_evm::<T>)?;331		}332333		self.recorder().consume_sstore()?;334		collection.save().map_err(dispatch_to_evm::<T>)?;335336		Ok(())337	}338339	#[weight(<SelfWeightOf<T>>::destroy_collection())]340	fn destroy_collection(&mut self, caller: caller, collection_address: address) -> Result<void> {341		let caller = T::CrossAccountId::from_eth(caller);342343		let collection_id = pallet_common::eth::map_eth_to_id(&collection_address)344			.ok_or("Invalid collection address format")?;345		<Pallet<T>>::destroy_collection_internal(caller, collection_id)346			.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)347	}348349	/// Check if a collection exists350	/// @param collectionAddress Address of the collection in question351	/// @return bool Does the collection exist?352	fn is_collection_exist(&self, _caller: caller, collection_address: address) -> Result<bool> {353		if let Some(id) = pallet_common::eth::map_eth_to_id(&collection_address) {354			let collection_id = id;355			return Ok(<CollectionById<T>>::contains_key(collection_id));356		}357358		Ok(false)359	}360361	fn collection_creation_fee(&self) -> Result<value> {362		let price: u128 = T::CollectionCreationPrice::get()363			.try_into()364			.map_err(|_| ()) // workaround for `expect` requiring `Debug` trait365			.expect("Collection creation price should be convertible to u128");366		Ok(price.into())367	}368}369370/// Implements [`OnMethodCall`], which delegates call to [`EvmCollectionHelpers`]371pub struct CollectionHelpersOnMethodCall<T: Config>(PhantomData<*const T>);372impl<T: Config + pallet_nonfungible::Config + pallet_refungible::Config> OnMethodCall<T>373	for CollectionHelpersOnMethodCall<T>374{375	fn is_reserved(contract: &sp_core::H160) -> bool {376		contract == &T::ContractAddress::get()377	}378379	fn is_used(contract: &sp_core::H160) -> bool {380		contract == &T::ContractAddress::get()381	}382383	fn call(handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {384		if handle.code_address() != T::ContractAddress::get() {385			return None;386		}387388		let helpers =389			EvmCollectionHelpers::<T>(SubstrateRecorder::<T>::new(handle.remaining_gas()));390		pallet_evm_coder_substrate::call(handle, helpers)391	}392393	fn get_code(contract: &sp_core::H160) -> Option<Vec<u8>> {394		(contract == &T::ContractAddress::get())395			.then(|| include_bytes!("./stubs/CollectionHelpers.raw").to_vec())396	}397}398399generate_stubgen!(collection_helper_impl, CollectionHelpersCall<()>, true);400generate_stubgen!(collection_helper_iface, CollectionHelpersCall<()>, false);401402fn error_field_too_long(feild: &str, bound: usize) -> Error {403	Error::Revert(format!("{} is too long. Max length is {}.", feild, bound))404}