git.delta.rocks / unique-network / refs/commits / b2e37f0cd5a1

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 evm_coder::{18	solidity_interface, solidity, ToLog,19	types::*,20	execution::{Result, Error},21};22pub use pallet_evm::{PrecompileOutput, PrecompileResult, PrecompileHandle, account::CrossAccountId};23use pallet_evm_coder_substrate::dispatch_to_evm;24use sp_core::{H160, U256};25use sp_std::vec::Vec;26use up_data_structs::{Property, SponsoringRateLimit};27use alloc::format;2829use crate::{Pallet, CollectionHandle, Config, CollectionProperties};3031#[derive(ToLog)]32pub enum CollectionHelpersEvents {33	CollectionCreated {34		#[indexed]35		owner: address,36		#[indexed]37		collection_id: address,38	},39}4041/// Does not always represent a full collection, for RFT it is either42/// collection (Implementing ERC721), or specific collection token (Implementing ERC20)43pub trait CommonEvmHandler {44	const CODE: &'static [u8];4546	fn call(self, handle: &mut impl PrecompileHandle) -> Option<PrecompileResult>;47}4849#[solidity_interface(name = "Collection")]50impl<T: Config> CollectionHandle<T> {51	fn set_collection_property(&mut self, caller: caller, key: string, value: bytes) -> Result<()> {52		let caller = T::CrossAccountId::from_eth(caller);53		let key = <Vec<u8>>::from(key)54			.try_into()55			.map_err(|_| "key too large")?;56		let value = value.try_into().map_err(|_| "value too large")?;5758		<Pallet<T>>::set_collection_property(self, &caller, Property { key, value })59			.map_err(dispatch_to_evm::<T>)60	}6162	fn delete_collection_property(&mut self, caller: caller, key: string) -> Result<()> {63		let caller = T::CrossAccountId::from_eth(caller);64		let key = <Vec<u8>>::from(key)65			.try_into()66			.map_err(|_| "key too large")?;6768		<Pallet<T>>::delete_collection_property(self, &caller, key).map_err(dispatch_to_evm::<T>)69	}7071	/// Throws error if key not found72	fn collection_property(&self, key: string) -> Result<bytes> {73		let key = <Vec<u8>>::from(key)74			.try_into()75			.map_err(|_| "key too large")?;7677		let props = <CollectionProperties<T>>::get(self.id);78		let prop = props.get(&key).ok_or("key not found")?;7980		Ok(prop.to_vec())81	}8283	fn eth_set_sponsor(&mut self, caller: caller, sponsor: address) -> Result<void> {84		check_is_owner(caller, self)?;8586		let sponsor = T::CrossAccountId::from_eth(sponsor);87		self.set_sponsor(sponsor.as_sub().clone());88		save(self);89		Ok(())90	}9192	fn eth_confirm_sponsorship(&mut self, caller: caller) -> Result<void> {93		let caller = T::CrossAccountId::from_eth(caller);94		if !self.confirm_sponsorship(caller.as_sub()) {95			return Err(Error::Revert("Caller is not set as sponsor".into()));96		}97		save(self);98		Ok(())99	}100101	#[solidity(rename_selector = "setLimit")]102	fn set_int_limit(&mut self, caller: caller, limit: string, value: uint32) -> Result<void> {103		check_is_owner(caller, self)?;104		let mut limits = self.limits.clone();105106		match limit.as_str() {107			"accountTokenOwnershipLimit" => {108				limits.account_token_ownership_limit = Some(value);109			}110			"sponsoredDataSize" => {111				limits.sponsored_data_size = Some(value);112			}113			"sponsoredDataRateLimit" => {114				limits.sponsored_data_rate_limit = Some(SponsoringRateLimit::Blocks(value));115			}116			"tokenLimit" => {117				limits.token_limit = Some(value);118			}119			"sponsorTransferTimeout" => {120				limits.sponsor_transfer_timeout = Some(value);121			}122			"sponsorApproveTimeout" => {123				limits.sponsor_approve_timeout = Some(value);124			}125			_ => {126				return Err(Error::Revert(format!(127					"Unknown integer limit \"{}\"",128					limit129				)))130			}131		}132		self.limits = <Pallet<T>>::clamp_limits(self.mode.clone(), &self.limits, limits)133			.map_err(dispatch_to_evm::<T>)?;134		save(self);135		Ok(())136	}137138	#[solidity(rename_selector = "setLimit")]139	fn set_bool_limit(&mut self, caller: caller, limit: string, value: bool) -> Result<void> {140		check_is_owner(caller, self)?;141		let mut limits = self.limits.clone();142143		match limit.as_str() {144			"ownerCanTransfer" => {145				limits.owner_can_transfer = Some(value);146			}147			"ownerCanDestroy" => {148				limits.owner_can_destroy = Some(value);149			}150			"transfersEnabled" => {151				limits.transfers_enabled = Some(value);152			}153			_ => {154				return Err(Error::Revert(format!(155					"Unknown boolean limit \"{}\"",156					limit157				)))158			}159		}160		self.limits = <Pallet<T>>::clamp_limits(self.mode.clone(), &self.limits, limits)161			.map_err(dispatch_to_evm::<T>)?;162		save(self);163		Ok(())164	}165166	fn contract_address(&self, _caller: caller) -> Result<address> {167		Ok(crate::eth::collection_id_to_address(self.id))168	}169}170171fn check_is_owner<T: Config>(caller: caller, collection: &CollectionHandle<T>) -> Result<()> {172	let caller = T::CrossAccountId::from_eth(caller);173	collection174		.check_is_owner(&caller)175		.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;176	Ok(())177}178179fn save<T: Config>(collection: &CollectionHandle<T>) {180	<crate::CollectionById<T>>::insert(collection.id, collection.collection.clone());181}182183pub fn token_uri_key() -> up_data_structs::PropertyKey {184	b"tokenURI"185		.to_vec()186		.try_into()187		.expect("length < limit; qed")188}