git.delta.rocks / unique-network / refs/commits / 624d2812f7d4

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};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_nonfungible::{Pallet as PalletNonfungible, NonfungibleHandle};29use pallet_refungible::{30	Pallet as PalletRefungible, RefungibleHandle, erc_token::RefungibleTokenHandle,31};32use up_data_structs::{33	CollectionMode, CreateCollectionData, MAX_DECIMAL_POINTS, mapping::TokenAddressMapping,34	CollectionId,35};3637#[cfg(not(feature = "refungible"))]38use pallet_common::unsupported;3940pub enum CollectionDispatchT<T>41where42	T: pallet_fungible::Config + pallet_nonfungible::Config + pallet_refungible::Config,43{44	Fungible(FungibleHandle<T>),45	Nonfungible(NonfungibleHandle<T>),46	Refungible(RefungibleHandle<T>),47}48impl<T> CollectionDispatch<T> for CollectionDispatchT<T>49where50	T: pallet_common::Config51		+ pallet_unique::Config52		+ pallet_fungible::Config53		+ pallet_nonfungible::Config54		+ pallet_refungible::Config,55{56	fn create(57		sender: T::CrossAccountId,58		payer: T::CrossAccountId,59		data: CreateCollectionData<T::AccountId>,60	) -> Result<CollectionId, DispatchError> {61		let id = match data.mode {62			CollectionMode::NFT => <PalletNonfungible<T>>::init_collection(sender, payer, data, false)?,63			CollectionMode::Fungible(decimal_points) => {64				// check params65				ensure!(66					decimal_points <= MAX_DECIMAL_POINTS,67					pallet_unique::Error::<T>::CollectionDecimalPointLimitExceeded68				);69				<PalletFungible<T>>::init_collection(sender, payer, data)?70			}7172			#[cfg(feature = "refungible")]73			CollectionMode::ReFungible => <PalletRefungible<T>>::init_collection(sender, payer, data)?,7475			#[cfg(not(feature = "refungible"))]76			CollectionMode::ReFungible => return unsupported!(T),77		};78		Ok(id)79	}8081	fn destroy(sender: T::CrossAccountId, collection: CollectionHandle<T>) -> DispatchResult {82		match collection.mode {83			CollectionMode::ReFungible => {84				PalletRefungible::destroy_collection(RefungibleHandle::cast(collection), &sender)?85			}86			CollectionMode::Fungible(_) => {87				PalletFungible::destroy_collection(FungibleHandle::cast(collection), &sender)?88			}89			CollectionMode::NFT => {90				PalletNonfungible::destroy_collection(NonfungibleHandle::cast(collection), &sender)?91			}92		}93		Ok(())94	}9596	fn dispatch(handle: CollectionHandle<T>) -> Self {97		match handle.mode {98			CollectionMode::Fungible(_) => Self::Fungible(FungibleHandle::cast(handle)),99			CollectionMode::NFT => Self::Nonfungible(NonfungibleHandle::cast(handle)),100			CollectionMode::ReFungible => Self::Refungible(RefungibleHandle::cast(handle)),101		}102	}103104	fn into_inner(self) -> CollectionHandle<T> {105		match self {106			Self::Fungible(f) => f.into_inner(),107			Self::Nonfungible(f) => f.into_inner(),108			Self::Refungible(f) => f.into_inner(),109		}110	}111112	fn as_dyn(&self) -> &dyn CommonCollectionOperations<T> {113		match self {114			Self::Fungible(h) => h,115			Self::Nonfungible(h) => h,116			Self::Refungible(h) => h,117		}118	}119}120121impl<T> pallet_evm::OnMethodCall<T> for CollectionDispatchT<T>122where123	T: pallet_common::Config124		+ pallet_unique::Config125		+ pallet_fungible::Config126		+ pallet_nonfungible::Config127		+ pallet_refungible::Config,128	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,129{130	fn is_reserved(target: &H160) -> bool {131		map_eth_to_id(target).is_some()132	}133	fn is_used(target: &H160) -> bool {134		map_eth_to_id(target)135			.map(<CollectionById<T>>::contains_key)136			.unwrap_or(false)137	}138	fn get_code(target: &H160) -> Option<Vec<u8>> {139		if let Some(collection_id) = map_eth_to_id(target) {140			let collection = <CollectionById<T>>::get(collection_id)?;141			Some(142				match collection.mode {143					CollectionMode::NFT => <NonfungibleHandle<T>>::CODE,144					CollectionMode::Fungible(_) => <FungibleHandle<T>>::CODE,145					CollectionMode::ReFungible => <RefungibleHandle<T>>::CODE,146				}147				.to_owned(),148			)149		} else if let Some((collection_id, _token_id)) =150			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(target)151		{152			let collection = <CollectionById<T>>::get(collection_id)?;153			if collection.mode != CollectionMode::ReFungible {154				return None;155			}156			// TODO: check token existence157			Some(<RefungibleTokenHandle<T>>::CODE.to_owned())158		} else {159			None160		}161	}162	fn call(handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {163		if let Some(collection_id) = map_eth_to_id(&handle.code_address()) {164			let collection =165				<CollectionHandle<T>>::new_with_gas_limit(collection_id, handle.remaining_gas())?;166			let dispatched = Self::dispatch(collection);167168			match dispatched {169				Self::Fungible(h) => h.call(handle),170				Self::Nonfungible(h) => h.call(handle),171				Self::Refungible(h) => h.call(handle),172			}173		} else if let Some((collection_id, token_id)) =174			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(175				&handle.code_address(),176			) {177			let collection =178				<CollectionHandle<T>>::new_with_gas_limit(collection_id, handle.remaining_gas())?;179			if collection.mode != CollectionMode::ReFungible {180				return None;181			}182183			let h = RefungibleHandle::cast(collection);184			// TODO: check token existence185			RefungibleTokenHandle(h, token_id).call(handle)186		} else {187			None188		}189	}190}