`7b3faa5ce573`

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pallets/evm-collection/src/eth.rs7.7 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/>.1617use core::marker::PhantomData;18use evm_coder::{abi::AbiWriter, execution::*, generate_stubgen, solidity_interface, types::*, ToLog};19use ethereum as _;20use pallet_common::CollectionById;21use pallet_common::CollectionHandle;22use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};23use pallet_evm::{24	ExitRevert, OnCreate, OnMethodCall, PrecompileResult, PrecompileFailure,25	account::CrossAccountId, Pallet as PalletEvm,26};27use sp_core::H160;28use up_data_structs::{29	CreateCollectionData, MAX_COLLECTION_DESCRIPTION_LENGTH, MAX_TOKEN_PREFIX_LENGTH,30	MAX_COLLECTION_NAME_LENGTH, OFFCHAIN_SCHEMA_LIMIT, VARIABLE_ON_CHAIN_SCHEMA_LIMIT,31	CONST_ON_CHAIN_SCHEMA_LIMIT,32};33use crate::{Config, Pallet};34use frame_support::traits::Get;3536use sp_std::{vec::Vec, rc::Rc};37use alloc::format;3839struct EvmCollection<T: Config>(SubstrateRecorder<T>);40impl<T: Config> WithRecorder<T> for EvmCollection<T> {41	fn recorder(&self) -> &SubstrateRecorder<T> {42		&self.043	}4445	fn into_recorder(self) -> SubstrateRecorder<T> {46		self.047	}48}4950#[derive(ToLog)]51pub enum CollectionEvent {52	CollectionCreated {53		#[indexed]54		owner: address,55		#[indexed]56		collection_id: address,57	},58}5960#[solidity_interface(name = "Collection")]61impl<T: Config> EvmCollection<T> {62	fn create_721_collection(63		&self,64		caller: caller,65		name: string,66		description: string,67		token_prefix: string,68	) -> Result<address> {69		let caller = T::CrossAccountId::from_eth(caller);70		let name = name71			.encode_utf16()72			.collect::<Vec<u16>>()73			.try_into()74			.map_err(|_| error_feild_too_long("name", MAX_COLLECTION_NAME_LENGTH))?;75		let description = description76			.encode_utf16()77			.collect::<Vec<u16>>()78			.try_into()79			.map_err(|_| error_feild_too_long("description", MAX_COLLECTION_DESCRIPTION_LENGTH))?;80		let token_prefix = token_prefix81			.into_bytes()82			.try_into()83			.map_err(|_| error_feild_too_long("token_prefix", MAX_TOKEN_PREFIX_LENGTH))?;8485		let data = CreateCollectionData {86			name,87			description,88			token_prefix,89			..Default::default()90		};9192		let collection_id =93			<pallet_nonfungible::Pallet<T>>::init_collection(caller.as_sub().clone(), data)94				.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;9596		let address = pallet_common::eth::collection_id_to_address(collection_id);97		<PalletEvm<T>>::deposit_log(98			CollectionEvent::CollectionCreated {99				owner: *caller.as_eth(),100				collection_id: address,101			}102			.to_log(address),103		);104		Ok(address)105	}106107	fn set_sponsor(108		&self,109		caller: caller,110		collection_address: address,111		sponsor: address,112	) -> Result<void> {113		let mut collection = collection_from_address(collection_address, &self.0)?;114		check_is_owner(caller, &collection)?;115116	fn set_offchain_shema(shema: string) -> Result<void> {117		let shema = shema118			.into_bytes()119			.try_into()120			.map_err(|_| error_feild_too_long(stringify!(shema), OFFCHAIN_SCHEMA_LIMIT))?;121		collection.offchain_schema = shema;122		save(collection)123	}124125	fn confirm_sponsorship(&self, caller: caller, collection_address: address) -> Result<void> {126		let mut collection = collection_from_address(collection_address, &self.0)?;127		let caller = T::CrossAccountId::from_eth(caller);128		if !collection.confirm_sponsorship(caller.as_sub()) {129			return Err(Error::Revert("Caller is not set as sponsor".into()));130		}131		save(collection)132	}133134	fn set_offchain_shema(135		&self,136		caller: caller,137		collection_address: address,138		shema: string,139	) -> Result<void> {140		let mut collection = collection_from_address(collection_address, &self.0)?;141		check_is_owner(caller, &collection)?;142143		let shema = shema144			.into_bytes()145			.try_into()146			.map_err(|_| error_feild_too_long(stringify!(shema), OFFCHAIN_SCHEMA_LIMIT))?;147		collection.offchain_schema = shema;148		save(collection)149	}150151	fn set_variable_on_chain_schema(152		&self,153		caller: caller,154		collection_address: address,155		variable: string,156	) -> Result<void> {157		let mut collection = collection_from_address(collection_address, &self.0)?;158		check_is_owner(caller, &collection)?;159160		let variable = variable.into_bytes().try_into().map_err(|_| {161			error_feild_too_long(stringify!(variable), VARIABLE_ON_CHAIN_SCHEMA_LIMIT)162		})?;163		collection.variable_on_chain_schema = variable;164		save(collection)165	}166167	fn set_const_on_chain_schema(168		&self,169		caller: caller,170		collection_address: address,171		const_on_chain: string,172	) -> Result<void> {173		let mut collection = collection_from_address(collection_address, &self.0)?;174		check_is_owner(caller, &collection)?;175176		let const_on_chain = const_on_chain.into_bytes().try_into().map_err(|_| {177			error_feild_too_long(stringify!(const_on_chain), CONST_ON_CHAIN_SCHEMA_LIMIT)178		})?;179		collection.const_on_chain_schema = const_on_chain;180		save(collection)181	}182183	fn set_limits(184		&self,185		caller: caller,186		collection_address: address,187		limits_json: string,188	) -> Result<void> {189		let mut collection = collection_from_address(collection_address, &self.0)?;190		check_is_owner(caller, &collection)?;191192		let limits = serde_json::from_str(limits_json.as_ref())193			.map_err(|e| Error::Revert(format!("Parse JSON error: {}", e)))?;194		collection.limits = limits;195		save(collection)196	}197}198199fn error_feild_too_long(feild: &str, bound: u32) -> Error {200	Error::Revert(format!("{} is too long. Max length is {}.", feild, bound))201}202203fn collection_from_address<T: Config>(204	collection_address: address,205	recorder: &Rc<SubstrateRecorder<T>>,206) -> Result<CollectionHandle<T>> {207	let collection_id = pallet_common::eth::map_eth_to_id(&collection_address)208		.ok_or(Error::Revert("Bad ETH prefix".into()))?;209	let collection =210		pallet_common::CollectionHandle::new_with_recorder(collection_id, recorder.clone())211			.ok_or(Error::Revert("Create collection handle error".into()))?;212	Ok(collection)213}214215fn check_is_owner<T: Config>(caller: caller, collection: &CollectionHandle<T>) -> Result<()> {216	let caller = T::CrossAccountId::from_eth(caller);217	collection218		.check_is_owner(&caller)219		.map_err(|e| Error::Revert(format!("{:?}", e)))?;220	Ok(())221}222223fn save<T: Config>(collection: CollectionHandle<T>) -> Result<()> {224	collection225		.save()226		.map_err(|e| Error::Revert(format!("{:?}", e)))227}228229pub struct CollectionOnMethodCall<T: Config>(PhantomData<*const T>);230impl<T: Config> OnMethodCall<T> for CollectionOnMethodCall<T> {231	fn is_reserved(contract: &sp_core::H160) -> bool {232		contract == &T::ContractAddress::get()233	}234235	fn is_used(contract: &sp_core::H160) -> bool {236		contract == &T::ContractAddress::get()237	}238239	fn call(240		source: &sp_core::H160,241		target: &sp_core::H160,242		gas_left: u64,243		input: &[u8],244		value: sp_core::U256,245	) -> Option<PrecompileResult> {246		// TODO: Extract to another OnMethodCall handler247		if target != &T::ContractAddress::get() {248			return None;249		}250251		let helpers = EvmCollection::<T>(SubstrateRecorder::new(gas_left));252		pallet_evm_coder_substrate::call(*source, helpers, value, input)253	}254255	fn get_code(contract: &sp_core::H160) -> Option<Vec<u8>> {256		(contract == &T::ContractAddress::get())257			.then(|| include_bytes!("./stubs/Collection.raw").to_vec())258	}259}260261generate_stubgen!(collection_impl, CollectionCall<()>, true);262generate_stubgen!(collection_iface, CollectionCall<()>, false);