git.delta.rocks / unique-network / refs/commits / 58de5ce0e935

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/>.1617extern crate alloc;18use core::{19	char::{REPLACEMENT_CHARACTER, decode_utf16},20	convert::TryInto,21};22use evm_coder::{ToLog, execution::*, generate_stubgen, solidity, solidity_interface, types::*, weight};23use frame_support::BoundedVec;24use up_data_structs::{TokenId, SchemaVersion, PropertyPermission, PropertyKeyPermission, Property, CollectionId, PropertyKey, CollectionPropertiesVec};25use pallet_evm_coder_substrate::dispatch_to_evm;26use sp_core::{H160, U256};27use sp_std::vec::Vec;28use pallet_common::{29	erc::{CommonEvmHandler, PrecompileResult, CollectionCall},30	CollectionHandle, CollectionPropertyPermissions,31};32use pallet_evm::account::CrossAccountId;33use pallet_evm_coder_substrate::call;34use pallet_structure::{SelfWeightOf as StructureWeight, weights::WeightInfo as _};3536use crate::{37	AccountBalance, Config, CreateItemData, NonfungibleHandle, Pallet, TokenData, TokensMinted,38	SelfWeightOf, weights::WeightInfo, TokenProperties,39};4041#[solidity_interface(name = "TokenProperties")]42impl<T: Config> NonfungibleHandle<T> {43	fn set_token_property_permission(44		&mut self,45		caller: caller,46		key: string,47		is_mutable: bool,48		collection_admin: bool,49		token_owner: bool,50	) -> Result<()> {51		let caller = T::CrossAccountId::from_eth(caller);52		<Pallet<T>>::set_property_permission(53			self,54			&caller,55			PropertyKeyPermission {56				key: <Vec<u8>>::from(key)57					.try_into()58					.map_err(|_| "too long key")?,59				permission: PropertyPermission {60					mutable: is_mutable,61					collection_admin,62					token_owner,63				},64			},65		)66		.map_err(dispatch_to_evm::<T>)67	}6869	fn set_property(70		&mut self,71		caller: caller,72		token_id: uint256,73		key: string,74		value: bytes,75	) -> Result<()> {76		let caller = T::CrossAccountId::from_eth(caller);77		let token_id: u32 = token_id.try_into().map_err(|_| "token id overflow")?;78		let key = <Vec<u8>>::from(key)79			.try_into()80			.map_err(|_| "key too long")?;81		let value = value.try_into().map_err(|_| "value too long")?;8283		<Pallet<T>>::set_token_property(self, &caller, TokenId(token_id), Property { key, value })84			.map_err(dispatch_to_evm::<T>)85	}8687	fn delete_property(&mut self, token_id: uint256, caller: caller, key: string) -> Result<()> {88		let caller = T::CrossAccountId::from_eth(caller);89		let token_id: u32 = token_id.try_into().map_err(|_| "token id overflow")?;90		let key = <Vec<u8>>::from(key)91			.try_into()92			.map_err(|_| "key too long")?;9394		<Pallet<T>>::delete_token_property(self, &caller, TokenId(token_id), key)95			.map_err(dispatch_to_evm::<T>)96	}9798	/// Throws error if key not found99	fn property(&self, token_id: uint256, key: string) -> Result<bytes> {100		let token_id: u32 = token_id.try_into().map_err(|_| "token id overflow")?;101		let key = <Vec<u8>>::from(key)102			.try_into()103			.map_err(|_| "key too long")?;104105		let props = <TokenProperties<T>>::get((self.id, token_id));106		let prop = props.get(&key).ok_or("key not found")?;107108		Ok(prop.to_vec())109	}110}111112#[derive(ToLog)]113pub enum ERC721Events {114	Transfer {115		#[indexed]116		from: address,117		#[indexed]118		to: address,119		#[indexed]120		token_id: uint256,121	},122	Approval {123		#[indexed]124		owner: address,125		#[indexed]126		approved: address,127		#[indexed]128		token_id: uint256,129	},130	#[allow(dead_code)]131	ApprovalForAll {132		#[indexed]133		owner: address,134		#[indexed]135		operator: address,136		approved: bool,137	},138}139140#[derive(ToLog)]141pub enum ERC721MintableEvents {142	#[allow(dead_code)]143	MintingFinished {},144}145146#[solidity_interface(name = "ERC721Metadata")]147impl<T: Config> NonfungibleHandle<T> {148	fn name(&self) -> Result<string> {149		Ok(decode_utf16(self.name.iter().copied())150			.map(|r| r.unwrap_or(REPLACEMENT_CHARACTER))151			.collect::<string>())152	}153154	fn symbol(&self) -> Result<string> {155		Ok(string::from_utf8_lossy(&self.token_prefix).into())156	}157158	/// Returns token's const_metadata159	#[solidity(rename_selector = "tokenURI")]160	fn token_uri(&self, token_id: uint256) -> Result<string> {161		let key = pallet_common::eth::KEY_TOKEN_URI.clone();162		let permission = get_token_permission::<T>(self.id, &key)?;163		if !permission.collection_admin {164			return Err("Operation is not allowed".into());165		}166167		self.consume_store_reads(1)?;168		let token_id: u32 = token_id.try_into().map_err(|_| "token id overflow")?;169170		let properties = <TokenProperties<T>>::try_get((self.id, token_id))171			.map_err(|_| Error::Revert("Token properties not found".into()))?;172		if let Some(property) = properties.get(&key) {173			return Ok(string::from_utf8_lossy(property).into());174		}175176		Err("Property tokenURI not found".into())177	}178}179180#[solidity_interface(name = "ERC721Enumerable")]181impl<T: Config> NonfungibleHandle<T> {182	fn token_by_index(&self, index: uint256) -> Result<uint256> {183		Ok(index)184	}185186	/// Not implemented187	fn token_of_owner_by_index(&self, _owner: address, _index: uint256) -> Result<uint256> {188		// TODO: Not implemetable189		Err("not implemented".into())190	}191192	fn total_supply(&self) -> Result<uint256> {193		self.consume_store_reads(1)?;194		Ok(<Pallet<T>>::total_supply(self).into())195	}196}197198#[solidity_interface(name = "ERC721", events(ERC721Events))]199impl<T: Config> NonfungibleHandle<T> {200	fn balance_of(&self, owner: address) -> Result<uint256> {201		self.consume_store_reads(1)?;202		let owner = T::CrossAccountId::from_eth(owner);203		let balance = <AccountBalance<T>>::get((self.id, owner));204		Ok(balance.into())205	}206	fn owner_of(&self, token_id: uint256) -> Result<address> {207		self.consume_store_reads(1)?;208		let token: TokenId = token_id.try_into()?;209		Ok(*<TokenData<T>>::get((self.id, token))210			.ok_or("token not found")?211			.owner212			.as_eth())213	}214	/// Not implemented215	fn safe_transfer_from_with_data(216		&mut self,217		_from: address,218		_to: address,219		_token_id: uint256,220		_data: bytes,221		_value: value,222	) -> Result<void> {223		// TODO: Not implemetable224		Err("not implemented".into())225	}226	/// Not implemented227	fn safe_transfer_from(228		&mut self,229		_from: address,230		_to: address,231		_token_id: uint256,232		_value: value,233	) -> Result<void> {234		// TODO: Not implemetable235		Err("not implemented".into())236	}237238	#[weight(<SelfWeightOf<T>>::transfer_from())]239	fn transfer_from(240		&mut self,241		caller: caller,242		from: address,243		to: address,244		token_id: uint256,245		_value: value,246	) -> Result<void> {247		let caller = T::CrossAccountId::from_eth(caller);248		let from = T::CrossAccountId::from_eth(from);249		let to = T::CrossAccountId::from_eth(to);250		let token = token_id.try_into()?;251		let budget = self252			.recorder253			.weight_calls_budget(<StructureWeight<T>>::find_parent());254255		<Pallet<T>>::transfer_from(self, &caller, &from, &to, token, &budget)256			.map_err(dispatch_to_evm::<T>)?;257		Ok(())258	}259260	#[weight(<SelfWeightOf<T>>::approve())]261	fn approve(262		&mut self,263		caller: caller,264		approved: address,265		token_id: uint256,266		_value: value,267	) -> Result<void> {268		let caller = T::CrossAccountId::from_eth(caller);269		let approved = T::CrossAccountId::from_eth(approved);270		let token = token_id.try_into()?;271272		<Pallet<T>>::set_allowance(self, &caller, token, Some(&approved))273			.map_err(dispatch_to_evm::<T>)?;274		Ok(())275	}276277	/// Not implemented278	fn set_approval_for_all(279		&mut self,280		_caller: caller,281		_operator: address,282		_approved: bool,283	) -> Result<void> {284		// TODO: Not implemetable285		Err("not implemented".into())286	}287288	/// Not implemented289	fn get_approved(&self, _token_id: uint256) -> Result<address> {290		// TODO: Not implemetable291		Err("not implemented".into())292	}293294	/// Not implemented295	fn is_approved_for_all(&self, _owner: address, _operator: address) -> Result<address> {296		// TODO: Not implemetable297		Err("not implemented".into())298	}299}300301#[solidity_interface(name = "ERC721Burnable")]302impl<T: Config> NonfungibleHandle<T> {303	#[weight(<SelfWeightOf<T>>::burn_item())]304	fn burn(&mut self, caller: caller, token_id: uint256) -> Result<void> {305		let caller = T::CrossAccountId::from_eth(caller);306		let token = token_id.try_into()?;307308		<Pallet<T>>::burn(self, &caller, token).map_err(dispatch_to_evm::<T>)?;309		Ok(())310	}311}312313#[solidity_interface(name = "ERC721Mintable", events(ERC721MintableEvents))]314impl<T: Config> NonfungibleHandle<T> {315	fn minting_finished(&self) -> Result<bool> {316		Ok(false)317	}318319	/// `token_id` should be obtained with `next_token_id` method,320	/// unlike standard, you can't specify it manually321	#[weight(<SelfWeightOf<T>>::create_item())]322	fn mint(&mut self, caller: caller, to: address, token_id: uint256) -> Result<bool> {323		let caller = T::CrossAccountId::from_eth(caller);324		let to = T::CrossAccountId::from_eth(to);325		let token_id: u32 = token_id.try_into()?;326		let budget = self327			.recorder328			.weight_calls_budget(<StructureWeight<T>>::find_parent());329330		if <TokensMinted<T>>::get(self.id)331			.checked_add(1)332			.ok_or("item id overflow")?333			!= token_id334		{335			return Err("item id should be next".into());336		}337338		<Pallet<T>>::create_item(339			self,340			&caller,341			CreateItemData::<T> {342				properties: BoundedVec::default(),343				owner: to,344			},345			&budget,346		)347		.map_err(dispatch_to_evm::<T>)?;348349		Ok(true)350	}351352	/// `token_id` should be obtained with `next_token_id` method,353	/// unlike standard, you can't specify it manually354	#[solidity(rename_selector = "mintWithTokenURI")]355	#[weight(<SelfWeightOf<T>>::create_item())]356	fn mint_with_token_uri(357		&mut self,358		caller: caller,359		to: address,360		token_id: uint256,361		token_uri: string,362	) -> Result<bool> {363		let key = pallet_common::eth::KEY_TOKEN_URI.clone();364		let permission = get_token_permission::<T>(self.id, &key)?;365		if !permission.collection_admin {366			return Err("Operation is not allowed".into());367		}368369		let caller = T::CrossAccountId::from_eth(caller);370		let to = T::CrossAccountId::from_eth(to);371		let token_id: u32 = token_id.try_into().map_err(|_| "amount overflow")?;372		let budget = self373			.recorder374			.weight_calls_budget(<StructureWeight<T>>::find_parent());375376		if <TokensMinted<T>>::get(self.id)377			.checked_add(1)378			.ok_or("item id overflow")?379			!= token_id380		{381			return Err("item id should be next".into());382		}383384		let mut properties = CollectionPropertiesVec::default();385		properties.try_push(Property{386			key,387			value: token_uri.into_bytes().try_into()388				.map_err(|_| "token uri is too long")?389		}).map_err(|e| Error::Revert(alloc::format!("Can't add property: {:?}", e)))?;390391		<Pallet<T>>::create_item(392			self,393			&caller,394			CreateItemData::<T> {395				properties,396				owner: to,397			},398			&budget,399		)400		.map_err(dispatch_to_evm::<T>)?;401		Ok(true)402	}403404	/// Not implemented405	fn finish_minting(&mut self, _caller: caller) -> Result<bool> {406		Err("not implementable".into())407	}408}409410fn get_token_permission<T: Config>(collection_id: CollectionId, key: &PropertyKey) -> Result<PropertyPermission> {411	let token_property_permissions = CollectionPropertyPermissions::<T>::try_get(collection_id)412		.map_err(|_| Error::Revert("No permissions for collection".into()))?;413	let a = token_property_permissions.get(key)414		.map(|p| p.clone())415		.ok_or_else(|| Error::Revert("No permission for tokenURI".into()))?;416	Ok(a)417}418419#[solidity_interface(name = "ERC721UniqueExtensions")]420impl<T: Config> NonfungibleHandle<T> {421	#[weight(<SelfWeightOf<T>>::transfer())]422	fn transfer(423		&mut self,424		caller: caller,425		to: address,426		token_id: uint256,427		_value: value,428	) -> Result<void> {429		let caller = T::CrossAccountId::from_eth(caller);430		let to = T::CrossAccountId::from_eth(to);431		let token = token_id.try_into()?;432		let budget = self433			.recorder434			.weight_calls_budget(<StructureWeight<T>>::find_parent());435436		<Pallet<T>>::transfer(self, &caller, &to, token, &budget).map_err(dispatch_to_evm::<T>)?;437		Ok(())438	}439440	#[weight(<SelfWeightOf<T>>::burn_from())]441	fn burn_from(442		&mut self,443		caller: caller,444		from: address,445		token_id: uint256,446		_value: value,447	) -> Result<void> {448		let caller = T::CrossAccountId::from_eth(caller);449		let from = T::CrossAccountId::from_eth(from);450		let token = token_id.try_into()?;451		let budget = self452			.recorder453			.weight_calls_budget(<StructureWeight<T>>::find_parent());454455		<Pallet<T>>::burn_from(self, &caller, &from, token, &budget)456			.map_err(dispatch_to_evm::<T>)?;457		Ok(())458	}459460	fn next_token_id(&self) -> Result<uint256> {461		self.consume_store_reads(1)?;462		Ok(<TokensMinted<T>>::get(self.id)463			.checked_add(1)464			.ok_or("item id overflow")?465			.into())466	}467468	#[weight(<SelfWeightOf<T>>::create_multiple_items(token_ids.len() as u32))]469	fn mint_bulk(&mut self, caller: caller, to: address, token_ids: Vec<uint256>) -> Result<bool> {470		let caller = T::CrossAccountId::from_eth(caller);471		let to = T::CrossAccountId::from_eth(to);472		let mut expected_index = <TokensMinted<T>>::get(self.id)473			.checked_add(1)474			.ok_or("item id overflow")?;475		let budget = self476			.recorder477			.weight_calls_budget(<StructureWeight<T>>::find_parent());478479		let total_tokens = token_ids.len();480		for id in token_ids.into_iter() {481			let id: u32 = id.try_into().map_err(|_| "token id overflow")?;482			if id != expected_index {483				return Err("item id should be next".into());484			}485			expected_index = expected_index.checked_add(1).ok_or("item id overflow")?;486		}487		let data = (0..total_tokens)488			.map(|_| CreateItemData::<T> {489				properties: BoundedVec::default(),490				owner: to.clone(),491			})492			.collect();493494		<Pallet<T>>::create_multiple_items(self, &caller, data, &budget)495			.map_err(dispatch_to_evm::<T>)?;496		Ok(true)497	}498499	#[solidity(rename_selector = "mintBulkWithTokenURI")]500	#[weight(<SelfWeightOf<T>>::create_multiple_items(tokens.len() as u32))]501	fn mint_bulk_with_token_uri(502		&mut self,503		caller: caller,504		to: address,505		tokens: Vec<(uint256, string)>,506	) -> Result<bool> {507		let caller = T::CrossAccountId::from_eth(caller);508		let to = T::CrossAccountId::from_eth(to);509		let mut expected_index = <TokensMinted<T>>::get(self.id)510			.checked_add(1)511			.ok_or("item id overflow")?;512		let budget = self513			.recorder514			.weight_calls_budget(<StructureWeight<T>>::find_parent());515516		let mut data = Vec::with_capacity(tokens.len());517		for (id, token_uri) in tokens {518			let id: u32 = id.try_into().map_err(|_| "token id overflow")?;519			if id != expected_index {520				return Err("item id should be next".into());521			}522			expected_index = expected_index.checked_add(1).ok_or("item id overflow")?;523524			todo!("token uri");525			data.push(CreateItemData::<T> {526				properties: BoundedVec::default(),527				owner: to.clone(),528			});529		}530531		<Pallet<T>>::create_multiple_items(self, &caller, data, &budget)532			.map_err(dispatch_to_evm::<T>)?;533		Ok(true)534	}535}536537#[solidity_interface(538	name = "UniqueNFT",539	is(540		ERC721,541		ERC721Metadata,542		ERC721Enumerable,543		ERC721UniqueExtensions,544		ERC721Mintable,545		ERC721Burnable,546		via("CollectionHandle<T>", common_mut, Collection),547		TokenProperties,548	)549)]550impl<T: Config> NonfungibleHandle<T> {}551552// Not a tests, but code generators553generate_stubgen!(gen_impl, UniqueNFTCall<()>, true);554generate_stubgen!(gen_iface, UniqueNFTCall<()>, false);555556impl<T: Config> CommonEvmHandler for NonfungibleHandle<T> {557	const CODE: &'static [u8] = include_bytes!("./stubs/UniqueNFT.raw");558559	fn call(self, source: &H160, input: &[u8], value: U256) -> Option<PrecompileResult> {560		call::<T, UniqueNFTCall<T>, _>(*source, self, value, input)561	}562}