`4458a1dde4ff`

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pallets/unique/src/eth/mod.rs8.0 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 evm_coder::{execution::*, generate_stubgen, solidity_interface, solidity, weight, types::*};21use ethereum as _;22use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};23use pallet_evm::{OnMethodCall, PrecompileResult, account::CrossAccountId, PrecompileHandle};24use up_data_structs::{25	CollectionName, CollectionDescription, CollectionTokenPrefix, CreateCollectionData,26	CollectionMode, PropertyValue,27};28use frame_support::traits::Get;29use pallet_common::{30	CollectionById,31	erc::{static_property_key_value::*, CollectionHelpersEvents},32};33use crate::{SelfWeightOf, Config, weights::WeightInfo};3435use sp_std::vec::Vec;36use alloc::format;3738/// See [`CollectionHelpersCall`]39pub struct EvmCollectionHelpers<T: Config>(SubstrateRecorder<T>);40impl<T: Config> WithRecorder<T> for EvmCollectionHelpers<T> {41	fn recorder(&self) -> &SubstrateRecorder<T> {42		&self.043	}4445	fn into_recorder(self) -> SubstrateRecorder<T> {46		self.047	}48}4950fn convert_data<T: Config>(51	caller: caller,52	name: string,53	description: string,54	token_prefix: string,55	base_uri: string,56) -> Result<(57	T::CrossAccountId,58	CollectionName,59	CollectionDescription,60	CollectionTokenPrefix,61	PropertyValue,62)> {63	let caller = T::CrossAccountId::from_eth(caller);64	let name = name65		.encode_utf16()66		.collect::<Vec<u16>>()67		.try_into()68		.map_err(|_| error_feild_too_long(stringify!(name), CollectionName::bound()))?;69	let description = description70		.encode_utf16()71		.collect::<Vec<u16>>()72		.try_into()73		.map_err(|_| {74			error_feild_too_long(stringify!(description), CollectionDescription::bound())75		})?;76	let token_prefix = token_prefix.into_bytes().try_into().map_err(|_| {77		error_feild_too_long(stringify!(token_prefix), CollectionTokenPrefix::bound())78	})?;79	let base_uri_value = base_uri80		.into_bytes()81		.try_into()82		.map_err(|_| error_feild_too_long(stringify!(token_prefix), PropertyValue::bound()))?;83	Ok((caller, name, description, token_prefix, base_uri_value))84}8586fn make_data<T: Config>(87	name: CollectionName,88	mode: CollectionMode,89	description: CollectionDescription,90	token_prefix: CollectionTokenPrefix,91	base_uri_value: PropertyValue,92	add_properties: bool,93) -> Result<CreateCollectionData<T::AccountId>> {94	let mut properties = up_data_structs::CollectionPropertiesVec::default();95	let mut token_property_permissions =96		up_data_structs::CollectionPropertiesPermissionsVec::default();9798	token_property_permissions99		.try_push(up_data_structs::PropertyKeyPermission {100			key: u_key(),101			permission: up_data_structs::PropertyPermission {102				mutable: false,103				collection_admin: true,104				token_owner: false,105			},106		})107		.map_err(|e| Error::Revert(format!("{:?}", e)))?;108109	if add_properties {110		token_property_permissions111			.try_push(up_data_structs::PropertyKeyPermission {112				key: s_key(),113				permission: up_data_structs::PropertyPermission {114					mutable: false,115					collection_admin: true,116					token_owner: false,117				},118			})119			.map_err(|e| Error::Revert(format!("{:?}", e)))?;120121		properties122			.try_push(up_data_structs::Property {123				key: schema_name_key(),124				value: erc721_value(),125			})126			.map_err(|e| Error::Revert(format!("{:?}", e)))?;127128		if !base_uri_value.is_empty() {129			properties130				.try_push(up_data_structs::Property {131					key: base_uri_key(),132					value: base_uri_value,133				})134				.map_err(|e| Error::Revert(format!("{:?}", e)))?;135		}136	}137138	let data = CreateCollectionData {139		name,140		mode,141		description,142		token_prefix,143		token_property_permissions,144		properties,145		..Default::default()146	};147	Ok(data)148}149150/// @title Contract, which allows users to operate with collections151#[solidity_interface(name = "CollectionHelpers", events(CollectionHelpersEvents))]152impl<T: Config + pallet_nonfungible::Config> EvmCollectionHelpers<T> {153	/// Create an NFT collection154	/// @param name Name of the collection155	/// @param description Informative description of the collection156	/// @param token_prefix Token prefix to represent the collection tokens in UI and user applications157	/// @return address Address of the newly created collection158	#[weight(<SelfWeightOf<T>>::create_collection())]159	fn create_nonfungible_collection(160		&mut self,161		caller: caller,162		name: string,163		description: string,164		token_prefix: string,165	) -> Result<address> {166		let (caller, name, description, token_prefix, _base_uri_value) =167			convert_data::<T>(caller, name, description, token_prefix, "".into())?;168		let data = make_data::<T>(169			name,170			CollectionMode::NFT,171			description,172			token_prefix,173			Default::default(),174			false,175		)?;176		let collection_id =177			<pallet_nonfungible::Pallet<T>>::init_collection(caller.clone(), data, false)178				.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;179180		let address = pallet_common::eth::collection_id_to_address(collection_id);181		Ok(address)182	}183184	#[weight(<SelfWeightOf<T>>::create_collection())]185	#[solidity(rename_selector = "createERC721MetadataCompatibleCollection")]186	fn create_nonfungible_collection_with_properties(187		&mut self,188		caller: caller,189		name: string,190		description: string,191		token_prefix: string,192		base_uri: string,193	) -> Result<address> {194		let (caller, name, description, token_prefix, base_uri_value) =195			convert_data::<T>(caller, name, description, token_prefix, base_uri)?;196		let data = make_data::<T>(197			name,198			CollectionMode::NFT,199			description,200			token_prefix,201			base_uri_value,202			true,203		)?;204		let collection_id =205			<pallet_nonfungible::Pallet<T>>::init_collection(caller.clone(), data, true)206				.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;207208		let address = pallet_common::eth::collection_id_to_address(collection_id);209		Ok(address)210	}211212	/// Check if a collection exists213	/// @param collection_address Address of the collection in question214	/// @return bool Does the collection exist?215	fn is_collection_exist(&self, _caller: caller, collection_address: address) -> Result<bool> {216		if let Some(id) = pallet_common::eth::map_eth_to_id(&collection_address) {217			let collection_id = id;218			return Ok(<CollectionById<T>>::contains_key(collection_id));219		}220221		Ok(false)222	}223}224225/// Implements [`OnMethodCall`], which delegates call to [`EvmCollectionHelpers`]226pub struct CollectionHelpersOnMethodCall<T: Config>(PhantomData<*const T>);227impl<T: Config + pallet_nonfungible::Config> OnMethodCall<T> for CollectionHelpersOnMethodCall<T> {228	fn is_reserved(contract: &sp_core::H160) -> bool {229		contract == &T::ContractAddress::get()230	}231232	fn is_used(contract: &sp_core::H160) -> bool {233		contract == &T::ContractAddress::get()234	}235236	fn call(handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {237		if handle.code_address() != T::ContractAddress::get() {238			return None;239		}240241		let helpers =242			EvmCollectionHelpers::<T>(SubstrateRecorder::<T>::new(handle.remaining_gas()));243		pallet_evm_coder_substrate::call(handle, helpers)244	}245246	fn get_code(contract: &sp_core::H160) -> Option<Vec<u8>> {247		(contract == &T::ContractAddress::get())248			.then(|| include_bytes!("./stubs/CollectionHelpers.raw").to_vec())249	}250}251252generate_stubgen!(collection_helper_impl, CollectionHelpersCall<()>, true);253generate_stubgen!(collection_helper_iface, CollectionHelpersCall<()>, false);254255fn error_feild_too_long(feild: &str, bound: usize) -> Error {256	Error::Revert(format!("{} is too long. Max length is {}.", feild, bound))257}