`55817c2dfda1`

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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_FUNGIBLE_COLLECTION_ID {104			fail!(<pallet_common::Error<T>>::UnsupportedOperation);105		}106107		let collection = <CollectionHandle<T>>::try_get(collection_id)?;108109		match collection.mode {110			CollectionMode::ReFungible => {111				PalletRefungible::destroy_collection(RefungibleHandle::cast(collection), &sender)?112			}113			CollectionMode::Fungible(_) => {114				PalletFungible::destroy_collection(FungibleHandle::cast(collection), &sender)?115			}116			CollectionMode::NFT => {117				PalletNonfungible::destroy_collection(NonfungibleHandle::cast(collection), &sender)?118			}119		}120		Ok(())121	}122123	fn dispatch(collection_id: CollectionId) -> Result<Self, DispatchError> {124		if collection_id == pallet_common::NATIVE_FUNGIBLE_COLLECTION_ID {125			return Ok(Self::NativeFungible(NativeFungibleHandle::new()));126		}127128		let handle = <CollectionHandle<T>>::try_get(collection_id)?;129		Ok(match handle.mode {130			CollectionMode::Fungible(_) => Self::Fungible(FungibleHandle::cast(handle)),131			CollectionMode::NFT => Self::Nonfungible(NonfungibleHandle::cast(handle)),132			CollectionMode::ReFungible => Self::Refungible(RefungibleHandle::cast(handle)),133		})134	}135136	fn as_dyn(&self) -> &dyn CommonCollectionOperations<T> {137		match self {138			Self::Fungible(h) => h,139			Self::Nonfungible(h) => h,140			Self::Refungible(h) => h,141			Self::NativeFungible(h) => h,142		}143	}144}145146impl<T> pallet_evm::OnMethodCall<T> for CollectionDispatchT<T>147where148	T: pallet_common::Config149		+ pallet_unique::Config150		+ pallet_fungible::Config151		+ pallet_nonfungible::Config152		+ pallet_refungible::Config153		+ pallet_balances_adapter::Config,154	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,155{156	fn is_reserved(target: &H160) -> bool {157		map_eth_to_id(target).is_some()158	}159	fn is_used(target: &H160) -> bool {160		map_eth_to_id(target)161			.map(<CollectionById<T>>::contains_key)162			.unwrap_or(false)163	}164	fn get_code(target: &H160) -> Option<Vec<u8>> {165		if let Some(collection_id) = map_eth_to_id(target) {166			let collection = <CollectionById<T>>::get(collection_id)?;167			Some(168				match collection.mode {169					CollectionMode::NFT => <NonfungibleHandle<T>>::CODE,170					CollectionMode::Fungible(_) => <FungibleHandle<T>>::CODE,171					CollectionMode::ReFungible => <RefungibleHandle<T>>::CODE,172				}173				.to_owned(),174			)175		} else if let Some((collection_id, _token_id)) =176			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(target)177		{178			let collection = <CollectionById<T>>::get(collection_id)?;179			if collection.mode != CollectionMode::ReFungible {180				return None;181			}182			// TODO: check token existence183			Some(<RefungibleTokenHandle<T>>::CODE.to_owned())184		} else {185			None186		}187	}188	fn call(handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {189		if let Some(collection_id) = map_eth_to_id(&handle.code_address()) {190			if collection_id == pallet_common::NATIVE_FUNGIBLE_COLLECTION_ID {191				<NativeFungibleHandle<T>>::new().call(handle)192			} else {193				let collection = <CollectionHandle<T>>::new_with_gas_limit(194					collection_id,195					handle.remaining_gas(),196				)?;197198				match collection.mode {199					CollectionMode::Fungible(_) => FungibleHandle::cast(collection).call(handle),200					CollectionMode::NFT => NonfungibleHandle::cast(collection).call(handle),201					CollectionMode::ReFungible => RefungibleHandle::cast(collection).call(handle),202				}203			}204		} else if let Some((collection_id, token_id)) =205			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(206				&handle.code_address(),207			) {208			let collection =209				<CollectionHandle<T>>::new_with_gas_limit(collection_id, handle.remaining_gas())?;210			if collection.mode != CollectionMode::ReFungible {211				return None;212			}213214			let h = RefungibleHandle::cast(collection);215			// TODO: check token existence216			RefungibleTokenHandle(h, token_id).call(handle)217		} else {218			None219		}220	}221}