git.delta.rocks / unique-network / refs/commits / 281abcbf9b51

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_evm_coder_substrate::{SubstrateRecorder, WithRecorder};22use pallet_evm::{23	ExitRevert, OnCreate, OnMethodCall, PrecompileResult, PrecompileFailure,24	account::CrossAccountId, Pallet as PalletEvm,25};26use sp_core::H160;27use up_data_structs::{28	CreateCollectionData, MAX_COLLECTION_DESCRIPTION_LENGTH, MAX_TOKEN_PREFIX_LENGTH,29	MAX_COLLECTION_NAME_LENGTH,30};31use crate::{Config, Pallet};32use frame_support::traits::Get;3334use sp_std::vec::Vec;35use alloc::format;3637struct EvmCollection<T: Config>(SubstrateRecorder<T>);38impl<T: Config> WithRecorder<T> for EvmCollection<T> {39	fn recorder(&self) -> &SubstrateRecorder<T> {40		&self.041	}4243	fn into_recorder(self) -> SubstrateRecorder<T> {44		self.045	}46}4748#[derive(ToLog)]49pub enum CollectionEvent {50	CollectionCreated {51		#[indexed]52		owner: address,53		#[indexed]54		collection_id: address,55	},56}5758#[solidity_interface(name = "Collection")]59impl<T: Config> EvmCollection<T> {60	fn create_721_collection(61		&self,62		caller: caller,63		name: string,64		description: string,65		token_prefix: string,66	) -> Result<address> {67		let caller = T::CrossAccountId::from_eth(caller);68		let name = name69			.encode_utf16()70			.collect::<Vec<u16>>()71			.try_into()72			.map_err(|_| error_feild_too_long("name", MAX_COLLECTION_NAME_LENGTH))?;73		let description = description74			.encode_utf16()75			.collect::<Vec<u16>>()76			.try_into()77			.map_err(|_| error_feild_too_long("description", MAX_COLLECTION_DESCRIPTION_LENGTH))?;78		let token_prefix = token_prefix79			.into_bytes()80			.try_into()81			.map_err(|_| error_feild_too_long("token_prefix", MAX_TOKEN_PREFIX_LENGTH))?;8283		let data = CreateCollectionData {84			name,85			description,86			token_prefix,87			..Default::default()88		};8990		let collection_id =91			<pallet_nonfungible::Pallet<T>>::init_collection(caller.as_sub().clone(), data)92				.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;9394		let address = pallet_common::eth::collection_id_to_address(collection_id);95		<PalletEvm<T>>::deposit_log(96			CollectionEvent::CollectionCreated {97				owner: *caller.as_eth(),98				collection_id: address,99			}100			.to_log(address),101		);102		Ok(address)103	}104105	// fn set_sponsor(collection_id: address, sponsor: address) -> Result<void> {106	// 	let collection_id =107	// 		pallet_common::eth::map_eth_to_id(&collection_id).ok_or(Error::Revert("".into()))?;108	// 	let mut collection = <CollectionById<T>>::get(collection_id).ok_or(Error::Revert("".into()))?;109	// 	let sponsor = T::CrossAccountId::from_eth(sponsor);110	// 	collection.sponsorship = SponsorshipState::Unconfirmed(sponsor.as_sub().clone());111	// 	<CollectionById<T>>::insert(collection_id, collection);112	// 	Ok(())113	// }114115	// fn set_offchain_shema(shema: string) -> Result<void> {116	// 	Ok(())117	// }118119	// fn set_const_on_chain_schema(shema: string) -> Result<void> {120	// 	Ok(())121	// }122123	// fn set_variable_on_chain_schema(shema: string) -> Result<void> {124	// 	Ok(())125	// }126127	// fn set_limits(limits: string) -> Result<void> {128	// 	Ok(())129	// }130}131132fn error_feild_too_long(feild: &str, bound: u32) -> Error {133	Error::Revert(format!("{} is too long. Max length is {}.", feild, bound))134}135136pub struct CollectionOnMethodCall<T: Config>(PhantomData<*const T>);137impl<T: Config> OnMethodCall<T> for CollectionOnMethodCall<T> {138	fn is_reserved(contract: &sp_core::H160) -> bool {139		contract == &T::ContractAddress::get()140	}141142	fn is_used(contract: &sp_core::H160) -> bool {143		contract == &T::ContractAddress::get()144	}145146	fn call(147		source: &sp_core::H160,148		target: &sp_core::H160,149		gas_left: u64,150		input: &[u8],151		value: sp_core::U256,152	) -> Option<PrecompileResult> {153		// TODO: Extract to another OnMethodCall handler154		if target != &T::ContractAddress::get() {155			return None;156		}157158		let helpers = EvmCollection::<T>(SubstrateRecorder::<T>::new(gas_left));159		pallet_evm_coder_substrate::call(*source, helpers, value, input)160	}161162	fn get_code(contract: &sp_core::H160) -> Option<Vec<u8>> {163		(contract == &T::ContractAddress::get())164			.then(|| include_bytes!("./stubs/Collection.raw").to_vec())165	}166}167168generate_stubgen!(collection_impl, CollectionCall<()>, true);169generate_stubgen!(collection_iface, CollectionCall<()>, false);