git.delta.rocks / unique-network / refs/commits / a07e65584822

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, 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: Option<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 destroy(sender: T::CrossAccountId, collection_id: CollectionId) -> DispatchResult {93		if collection_id == pallet_common::NATIVE_FUNGIBLE_COLLECTION_ID {94			fail!(<pallet_common::Error<T>>::UnsupportedOperation);95		}9697		let collection = <CollectionHandle<T>>::try_get(collection_id)?;9899		match collection.mode {100			CollectionMode::ReFungible => {101				PalletRefungible::destroy_collection(RefungibleHandle::cast(collection), &sender)?102			}103			CollectionMode::Fungible(_) => {104				PalletFungible::destroy_collection(FungibleHandle::cast(collection), &sender)?105			}106			CollectionMode::NFT => {107				PalletNonfungible::destroy_collection(NonfungibleHandle::cast(collection), &sender)?108			}109		}110		Ok(())111	}112113	fn dispatch(collection_id: CollectionId) -> Result<Self, DispatchError> {114		if collection_id == pallet_common::NATIVE_FUNGIBLE_COLLECTION_ID {115			return Ok(Self::NativeFungible(116				NativeFungibleHandle::new_with_gas_limit(u64::MAX),117			));118		}119120		let handle = <CollectionHandle<T>>::try_get(collection_id)?;121		Ok(match handle.mode {122			CollectionMode::Fungible(_) => Self::Fungible(FungibleHandle::cast(handle)),123			CollectionMode::NFT => Self::Nonfungible(NonfungibleHandle::cast(handle)),124			CollectionMode::ReFungible => Self::Refungible(RefungibleHandle::cast(handle)),125		})126	}127128	fn as_dyn(&self) -> &dyn CommonCollectionOperations<T> {129		match self {130			Self::Fungible(h) => h,131			Self::Nonfungible(h) => h,132			Self::Refungible(h) => h,133			Self::NativeFungible(h) => h,134		}135	}136}137138impl<T> pallet_evm::OnMethodCall<T> for CollectionDispatchT<T>139where140	T: pallet_common::Config141		+ pallet_unique::Config142		+ pallet_fungible::Config143		+ pallet_nonfungible::Config144		+ pallet_refungible::Config145		+ pallet_balances_adapter::Config,146	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,147{148	fn is_reserved(target: &H160) -> bool {149		map_eth_to_id(target).is_some()150	}151	fn is_used(target: &H160) -> bool {152		map_eth_to_id(target)153			.map(<CollectionById<T>>::contains_key)154			.unwrap_or(false)155	}156	fn get_code(target: &H160) -> Option<Vec<u8>> {157		if let Some(collection_id) = map_eth_to_id(target) {158			let collection = <CollectionById<T>>::get(collection_id)?;159			Some(160				match collection.mode {161					CollectionMode::NFT => <NonfungibleHandle<T>>::CODE,162					CollectionMode::Fungible(_) => <FungibleHandle<T>>::CODE,163					CollectionMode::ReFungible => <RefungibleHandle<T>>::CODE,164				}165				.to_owned(),166			)167		} else if let Some((collection_id, _token_id)) =168			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(target)169		{170			let collection = <CollectionById<T>>::get(collection_id)?;171			if collection.mode != CollectionMode::ReFungible {172				return None;173			}174			// TODO: check token existence175			Some(<RefungibleTokenHandle<T>>::CODE.to_owned())176		} else {177			None178		}179	}180	fn call(handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {181		if let Some(collection_id) = map_eth_to_id(&handle.code_address()) {182			if collection_id == pallet_common::NATIVE_FUNGIBLE_COLLECTION_ID {183				<NativeFungibleHandle<T>>::new_with_gas_limit(handle.remaining_gas()).call(handle)184			} else {185				let collection = <CollectionHandle<T>>::new_with_gas_limit(186					collection_id,187					handle.remaining_gas(),188				)?;189190				match collection.mode {191					CollectionMode::Fungible(_) => FungibleHandle::cast(collection).call(handle),192					CollectionMode::NFT => NonfungibleHandle::cast(collection).call(handle),193					CollectionMode::ReFungible => RefungibleHandle::cast(collection).call(handle),194				}195			}196		} else if let Some((collection_id, token_id)) =197			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(198				&handle.code_address(),199			) {200			let collection =201				<CollectionHandle<T>>::new_with_gas_limit(collection_id, handle.remaining_gas())?;202			if collection.mode != CollectionMode::ReFungible {203				return None;204			}205206			let h = RefungibleHandle::cast(collection);207			// TODO: check token existence208			RefungibleTokenHandle(h, token_id).call(handle)209		} else {210			None211		}212	}213}