git.delta.rocks / unique-network / refs/commits / 383b7efb354e

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 frame_support::{dispatch::DispatchResult, ensure, fail};18use pallet_balances_adapter::NativeFungibleHandle;19pub use pallet_common::dispatch::CollectionDispatch;20use pallet_common::{21	erc::CommonEvmHandler, eth::map_eth_to_id, unsupported, CollectionById, CollectionHandle,22	CommonCollectionOperations, Pallet as PalletCommon,23};24use pallet_evm::{PrecompileHandle, PrecompileResult};25use pallet_fungible::{FungibleHandle, Pallet as PalletFungible};26use pallet_nonfungible::{NonfungibleHandle, Pallet as PalletNonfungible};27use pallet_refungible::{28	erc_token::RefungibleTokenHandle, Pallet as PalletRefungible, RefungibleHandle,29};30use sp_core::H160;31use sp_runtime::DispatchError;32use sp_std::{borrow::ToOwned, vec::Vec};33use up_data_structs::{34	mapping::TokenAddressMapping, CollectionId, CollectionMode, CreateCollectionData,35	MAX_DECIMAL_POINTS,36};3738pub enum CollectionDispatchT<T>39where40	T: pallet_fungible::Config41		+ pallet_nonfungible::Config42		+ pallet_refungible::Config43		+ pallet_balances_adapter::Config,44{45	Fungible(FungibleHandle<T>),46	Nonfungible(NonfungibleHandle<T>),47	Refungible(RefungibleHandle<T>),48	NativeFungible(NativeFungibleHandle<T>),49}5051impl<T> CollectionDispatch<T> for CollectionDispatchT<T>52where53	T: pallet_common::Config54		+ pallet_unique::Config55		+ pallet_fungible::Config56		+ pallet_nonfungible::Config57		+ pallet_refungible::Config58		+ pallet_balances_adapter::Config,59{60	fn check_is_internal(&self) -> DispatchResult {61		match self {62			Self::Fungible(h) => h.check_is_internal(),63			Self::Nonfungible(h) => h.check_is_internal(),64			Self::Refungible(h) => h.check_is_internal(),65			Self::NativeFungible(h) => h.check_is_internal(),66		}67	}6869	fn create(70		sender: T::CrossAccountId,71		payer: T::CrossAccountId,72		data: CreateCollectionData<T::CrossAccountId>,73	) -> Result<CollectionId, DispatchError> {74		match data.mode {75			CollectionMode::Fungible(decimal_points) => {76				// check params77				ensure!(78					decimal_points <= MAX_DECIMAL_POINTS,79					pallet_unique::Error::<T>::CollectionDecimalPointLimitExceeded80				);81			}8283			#[cfg(not(feature = "refungible"))]84			CollectionMode::ReFungible => return unsupported!(T),8586			_ => {}87		};8889		<PalletCommon<T>>::init_collection(sender, payer, data)90	}9192	fn create_foreign(93		sender: <T>::CrossAccountId,94		data: CreateCollectionData<<T>::CrossAccountId>,95	) -> Result<CollectionId, DispatchError> {96		match data.mode {97			CollectionMode::Fungible(decimal_points) => {98				// check params99				ensure!(100					decimal_points <= MAX_DECIMAL_POINTS,101					pallet_unique::Error::<T>::CollectionDecimalPointLimitExceeded102				);103			}104105			CollectionMode::ReFungible => return unsupported!(T),106			_ => {}107		};108109		<PalletCommon<T>>::init_foreign_collection(sender, data)110	}111112	fn destroy(sender: T::CrossAccountId, collection_id: CollectionId) -> DispatchResult {113		if collection_id == pallet_common::NATIVE_FUNGIBLE_COLLECTION_ID {114			fail!(<pallet_common::Error<T>>::UnsupportedOperation);115		}116117		let collection = <CollectionHandle<T>>::try_get(collection_id)?;118119		match collection.mode {120			CollectionMode::ReFungible => {121				PalletRefungible::destroy_collection(RefungibleHandle::cast(collection), &sender)?122			}123			CollectionMode::Fungible(_) => {124				PalletFungible::destroy_collection(FungibleHandle::cast(collection), &sender)?125			}126			CollectionMode::NFT => {127				PalletNonfungible::destroy_collection(NonfungibleHandle::cast(collection), &sender)?128			}129		}130		Ok(())131	}132133	fn dispatch(collection_id: CollectionId) -> Result<Self, DispatchError> {134		if collection_id == pallet_common::NATIVE_FUNGIBLE_COLLECTION_ID {135			return Ok(Self::NativeFungible(136				NativeFungibleHandle::new_with_gas_limit(u64::MAX),137			));138		}139140		let handle = <CollectionHandle<T>>::try_get(collection_id)?;141		Ok(match handle.mode {142			CollectionMode::Fungible(_) => Self::Fungible(FungibleHandle::cast(handle)),143			CollectionMode::NFT => Self::Nonfungible(NonfungibleHandle::cast(handle)),144			CollectionMode::ReFungible => Self::Refungible(RefungibleHandle::cast(handle)),145		})146	}147148	fn as_dyn(&self) -> &dyn CommonCollectionOperations<T> {149		match self {150			Self::Fungible(h) => h,151			Self::Nonfungible(h) => h,152			Self::Refungible(h) => h,153			Self::NativeFungible(h) => h,154		}155	}156}157158impl<T> pallet_evm::OnMethodCall<T> for CollectionDispatchT<T>159where160	T: pallet_common::Config161		+ pallet_unique::Config162		+ pallet_fungible::Config163		+ pallet_nonfungible::Config164		+ pallet_refungible::Config165		+ pallet_balances_adapter::Config,166	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,167{168	fn is_reserved(target: &H160) -> bool {169		map_eth_to_id(target).is_some()170	}171	fn is_used(target: &H160) -> bool {172		map_eth_to_id(target)173			.map(<CollectionById<T>>::contains_key)174			.unwrap_or(false)175	}176	fn get_code(target: &H160) -> Option<Vec<u8>> {177		if let Some(collection_id) = map_eth_to_id(target) {178			let collection = <CollectionById<T>>::get(collection_id)?;179			Some(180				match collection.mode {181					CollectionMode::NFT => <NonfungibleHandle<T>>::CODE,182					CollectionMode::Fungible(_) => <FungibleHandle<T>>::CODE,183					CollectionMode::ReFungible => <RefungibleHandle<T>>::CODE,184				}185				.to_owned(),186			)187		} else if let Some((collection_id, _token_id)) =188			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(target)189		{190			let collection = <CollectionById<T>>::get(collection_id)?;191			if collection.mode != CollectionMode::ReFungible {192				return None;193			}194			// TODO: check token existence195			Some(<RefungibleTokenHandle<T>>::CODE.to_owned())196		} else {197			None198		}199	}200	fn call(handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {201		if let Some(collection_id) = map_eth_to_id(&handle.code_address()) {202			if collection_id == pallet_common::NATIVE_FUNGIBLE_COLLECTION_ID {203				<NativeFungibleHandle<T>>::new_with_gas_limit(handle.remaining_gas()).call(handle)204			} else {205				let collection = <CollectionHandle<T>>::new_with_gas_limit(206					collection_id,207					handle.remaining_gas(),208				)?;209210				match collection.mode {211					CollectionMode::Fungible(_) => FungibleHandle::cast(collection).call(handle),212					CollectionMode::NFT => NonfungibleHandle::cast(collection).call(handle),213					CollectionMode::ReFungible => RefungibleHandle::cast(collection).call(handle),214				}215			}216		} else if let Some((collection_id, token_id)) =217			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(218				&handle.code_address(),219			) {220			let collection =221				<CollectionHandle<T>>::new_with_gas_limit(collection_id, handle.remaining_gas())?;222			if collection.mode != CollectionMode::ReFungible {223				return None;224			}225226			let h = RefungibleHandle::cast(collection);227			// TODO: check token existence228			RefungibleTokenHandle(h, token_id).call(handle)229		} else {230			None231		}232	}233}