git.delta.rocks / unique-network / refs/commits / b46fb6fcbf40

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,19	types::*,20	execution::{Result, Error},21};22pub use pallet_evm::{PrecompileOutput, PrecompileResult, 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/// Does not always represent a full collection, for RFT it is either32/// collection (Implementing ERC721), or specific collection token (Implementing ERC20)33pub trait CommonEvmHandler {34	const CODE: &'static [u8];3536	fn call(self, source: &H160, input: &[u8], value: U256) -> Option<PrecompileResult>;37}3839#[solidity_interface(name = "Collection")]40impl<T: Config> CollectionHandle<T> {41	fn set_collection_property(&mut self, caller: caller, key: string, value: bytes) -> Result<()> {42		let caller = T::CrossAccountId::from_eth(caller);43		let key = <Vec<u8>>::from(key)44			.try_into()45			.map_err(|_| "key too large")?;46		let value = value.try_into().map_err(|_| "value too large")?;4748		<Pallet<T>>::set_collection_property(self, &caller, Property { key, value })49			.map_err(dispatch_to_evm::<T>)50	}5152	fn delete_collection_property(&mut self, caller: caller, key: string) -> Result<()> {53		let caller = T::CrossAccountId::from_eth(caller);54		let key = <Vec<u8>>::from(key)55			.try_into()56			.map_err(|_| "key too large")?;5758		<Pallet<T>>::delete_collection_property(self, &caller, key).map_err(dispatch_to_evm::<T>)59	}6061	/// Throws error if key not found62	fn collection_property(&self, key: string) -> Result<bytes> {63		let key = <Vec<u8>>::from(key)64			.try_into()65			.map_err(|_| "key too large")?;6667		let props = <CollectionProperties<T>>::get(self.id);68		let prop = props.get(&key).ok_or("key not found")?;6970		Ok(prop.to_vec())71	}7273	fn eth_set_sponsor(&mut self, caller: caller, sponsor: address) -> Result<void> {74		check_is_owner(caller, self)?;7576		let sponsor = T::CrossAccountId::from_eth(sponsor);77		self.set_sponsor(sponsor.as_sub().clone());78		save(self);79		Ok(())80	}8182	fn eth_confirm_sponsorship(&mut self, caller: caller) -> Result<void> {83		let caller = T::CrossAccountId::from_eth(caller);84		if !self.confirm_sponsorship(caller.as_sub()) {85			return Err(Error::Revert("Caller is not set as sponsor".into()));86		}87		save(self);88		Ok(())89	}9091	#[solidity(rename_selector = "setLimit")]92	fn set_int_limit(&mut self, caller: caller, limit: string, value: uint32) -> Result<void> {93		check_is_owner(caller, self)?;94		let mut limits = self.limits.clone();9596		match limit.as_str() {97			"accountTokenOwnershipLimit" => {98				limits.account_token_ownership_limit = Some(value);99			}100			"sponsoredDataSize" => {101				limits.sponsored_data_size = Some(value);102			}103			"sponsoredDataRateLimit" => {104				limits.sponsored_data_rate_limit = Some(SponsoringRateLimit::Blocks(value));105			}106			"tokenLimit" => {107				limits.token_limit = Some(value);108			}109			"sponsorTransferTimeout" => {110				limits.sponsor_transfer_timeout = Some(value);111			}112			"sponsorApproveTimeout" => {113				limits.sponsor_approve_timeout = Some(value);114			}115			_ => {116				return Err(Error::Revert(format!(117					"Unknown integer limit \"{}\"",118					limit119				)))120			}121		}122		self.limits = <Pallet<T>>::clamp_limits(self.mode.clone(), &self.limits, limits)123			.map_err(dispatch_to_evm::<T>)?;124		save(self);125		Ok(())126	}127128	#[solidity(rename_selector = "setLimit")]129	fn set_bool_limit(&mut self, caller: caller, limit: string, value: bool) -> Result<void> {130		check_is_owner(caller, self)?;131		let mut limits = self.limits.clone();132133		match limit.as_str() {134			"ownerCanTransfer" => {135				limits.owner_can_transfer = Some(value);136			}137			"ownerCanDestroy" => {138				limits.owner_can_destroy = Some(value);139			}140			"transfersEnabled" => {141				limits.transfers_enabled = Some(value);142			}143			_ => {144				return Err(Error::Revert(format!(145					"Unknown boolean limit \"{}\"",146					limit147				)))148			}149		}150		self.limits = <Pallet<T>>::clamp_limits(self.mode.clone(), &self.limits, limits)151			.map_err(dispatch_to_evm::<T>)?;152		save(self);153		Ok(())154	}155156	fn contract_address(&self, _caller: caller) -> Result<address> {157		Ok(crate::eth::collection_id_to_address(self.id))158	}159}160161fn check_is_owner<T: Config>(caller: caller, collection: &CollectionHandle<T>) -> Result<()> {162	let caller = T::CrossAccountId::from_eth(caller);163	collection164		.check_is_owner(&caller)165		.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;166	Ok(())167}168169fn save<T: Config>(collection: &CollectionHandle<T>) {170	<crate::CollectionById<T>>::insert(collection.id, collection.collection.clone());171}172173pub fn token_uri_key() -> up_data_structs::PropertyKey {174	b"tokenURI"175		.to_vec()176		.try_into()177		.expect("length < limit; qed")178}