`ab5c2b54037a`

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runtime/common/dispatch.rs7.1 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/>.1617use frame_support::{dispatch::DispatchResult, ensure, fail};18use pallet_evm::{PrecompileHandle, PrecompileResult};19use sp_core::H160;20use sp_runtime::DispatchError;21use sp_std::{borrow::ToOwned, vec::Vec};22use pallet_common::{23	CollectionById, CollectionHandle, CommonCollectionOperations, erc::CommonEvmHandler,24	eth::map_eth_to_id,25};26pub use pallet_common::dispatch::CollectionDispatch;27use pallet_fungible::{Pallet as PalletFungible, FungibleHandle};28use pallet_balances_adapter::{NativeFungibleHandle};29use pallet_nonfungible::{Pallet as PalletNonfungible, NonfungibleHandle};30use pallet_refungible::{31	Pallet as PalletRefungible, RefungibleHandle, erc_token::RefungibleTokenHandle,32};33use up_data_structs::{34	CollectionMode, CreateCollectionData, MAX_DECIMAL_POINTS, mapping::TokenAddressMapping,35	CollectionId, CollectionFlags,36};3738#[cfg(not(feature = "refungible"))]39use pallet_common::unsupported;4041pub enum CollectionDispatchT<T>42where43	T: pallet_fungible::Config44		+ pallet_nonfungible::Config45		+ pallet_refungible::Config46		+ pallet_balances_adapter::Config,47{48	Fungible(FungibleHandle<T>),49	Nonfungible(NonfungibleHandle<T>),50	Refungible(RefungibleHandle<T>),51	NativeFungible(NativeFungibleHandle<T>),52}5354impl<T> CollectionDispatch<T> for CollectionDispatchT<T>55where56	T: pallet_common::Config57		+ pallet_unique::Config58		+ pallet_fungible::Config59		+ pallet_nonfungible::Config60		+ pallet_refungible::Config61		+ pallet_balances_adapter::Config,62{63	fn check_is_internal(&self) -> DispatchResult {64		match self {65			Self::Fungible(h) => h.check_is_internal(),66			Self::Nonfungible(h) => h.check_is_internal(),67			Self::Refungible(h) => h.check_is_internal(),68			Self::NativeFungible(h) => h.check_is_internal(),69		}70	}7172	fn create(73		sender: T::CrossAccountId,74		payer: T::CrossAccountId,75		data: CreateCollectionData<T::AccountId>,76		flags: CollectionFlags,77	) -> Result<CollectionId, DispatchError> {78		let id = match data.mode {79			CollectionMode::NFT => {80				<PalletNonfungible<T>>::init_collection(sender, payer, data, flags)?81			}82			CollectionMode::Fungible(decimal_points) => {83				// check params84				ensure!(85					decimal_points <= MAX_DECIMAL_POINTS,86					pallet_unique::Error::<T>::CollectionDecimalPointLimitExceeded87				);88				<PalletFungible<T>>::init_collection(sender, payer, data, flags)?89			}9091			#[cfg(feature = "refungible")]92			CollectionMode::ReFungible => {93				<PalletRefungible<T>>::init_collection(sender, payer, data, flags)?94			}9596			#[cfg(not(feature = "refungible"))]97			CollectionMode::ReFungible => return unsupported!(T),98		};99		Ok(id)100	}101102	fn destroy(sender: T::CrossAccountId, collection_id: CollectionId) -> DispatchResult {103		if collection_id == pallet_common::NATIVE_FINGIBLE_COLLECTION_ID {104			fail!(<pallet_common::Error<T>>::UnsupportedOperation);105		}106107		let collection = <CollectionHandle<T>>::try_get(collection_id)?;108		collection.check_is_internal()?;109110		match collection.mode {111			CollectionMode::ReFungible => {112				PalletRefungible::destroy_collection(RefungibleHandle::cast(collection), &sender)?113			}114			CollectionMode::Fungible(_) => {115				PalletFungible::destroy_collection(FungibleHandle::cast(collection), &sender)?116			}117			CollectionMode::NFT => {118				PalletNonfungible::destroy_collection(NonfungibleHandle::cast(collection), &sender)?119			}120		}121		Ok(())122	}123124	fn dispatch(collection_id: CollectionId) -> Result<Self, DispatchError> {125		if collection_id == CollectionId(0) {126			return Ok(Self::NativeFungible(NativeFungibleHandle::new()));127		}128129		let handle = <CollectionHandle<T>>::try_get(collection_id)?;130		Ok(match handle.mode {131			CollectionMode::Fungible(_) => Self::Fungible(FungibleHandle::cast(handle)),132			CollectionMode::NFT => Self::Nonfungible(NonfungibleHandle::cast(handle)),133			CollectionMode::ReFungible => Self::Refungible(RefungibleHandle::cast(handle)),134		})135	}136137	fn as_dyn(&self) -> &dyn CommonCollectionOperations<T> {138		match self {139			Self::Fungible(h) => h,140			Self::Nonfungible(h) => h,141			Self::Refungible(h) => h,142			Self::NativeFungible(h) => h,143		}144	}145}146147impl<T> pallet_evm::OnMethodCall<T> for CollectionDispatchT<T>148where149	T: pallet_common::Config150		+ pallet_unique::Config151		+ pallet_fungible::Config152		+ pallet_nonfungible::Config153		+ pallet_refungible::Config154		+ pallet_balances_adapter::Config,155	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,156{157	fn is_reserved(target: &H160) -> bool {158		map_eth_to_id(target).is_some()159	}160	fn is_used(target: &H160) -> bool {161		map_eth_to_id(target)162			.map(<CollectionById<T>>::contains_key)163			.unwrap_or(false)164	}165	fn get_code(target: &H160) -> Option<Vec<u8>> {166		if let Some(collection_id) = map_eth_to_id(target) {167			let collection = <CollectionById<T>>::get(collection_id)?;168			Some(169				match collection.mode {170					CollectionMode::NFT => <NonfungibleHandle<T>>::CODE,171					CollectionMode::Fungible(_) => <FungibleHandle<T>>::CODE,172					CollectionMode::ReFungible => <RefungibleHandle<T>>::CODE,173				}174				.to_owned(),175			)176		} else if let Some((collection_id, _token_id)) =177			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(target)178		{179			let collection = <CollectionById<T>>::get(collection_id)?;180			if collection.mode != CollectionMode::ReFungible {181				return None;182			}183			// TODO: check token existence184			Some(<RefungibleTokenHandle<T>>::CODE.to_owned())185		} else {186			None187		}188	}189	fn call(handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {190		if let Some(collection_id) = map_eth_to_id(&handle.code_address()) {191			if collection_id == CollectionId(0) {192				<NativeFungibleHandle<T>>::new().call(handle)193			} else {194				let collection = <CollectionHandle<T>>::new_with_gas_limit(195					collection_id,196					handle.remaining_gas(),197				)?;198199				match collection.mode {200					CollectionMode::Fungible(_) => FungibleHandle::cast(collection).call(handle),201					CollectionMode::NFT => NonfungibleHandle::cast(collection).call(handle),202					CollectionMode::ReFungible => RefungibleHandle::cast(collection).call(handle),203				}204			}205		} else if let Some((collection_id, token_id)) =206			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(207				&handle.code_address(),208			) {209			let collection =210				<CollectionHandle<T>>::new_with_gas_limit(collection_id, handle.remaining_gas())?;211			if collection.mode != CollectionMode::ReFungible {212				return None;213			}214215			let h = RefungibleHandle::cast(collection);216			// TODO: check token existence217			RefungibleTokenHandle(h, token_id).call(handle)218		} else {219			None220		}221	}222}