git.delta.rocks / unique-network / refs/commits / 17a52a581b90

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 => {63				<PalletNonfungible<T>>::init_collection(sender, payer, data, false)?64			}65			CollectionMode::Fungible(decimal_points) => {66				// check params67				ensure!(68					decimal_points <= MAX_DECIMAL_POINTS,69					pallet_unique::Error::<T>::CollectionDecimalPointLimitExceeded70				);71				<PalletFungible<T>>::init_collection(sender, payer, data)?72			}7374			#[cfg(feature = "refungible")]75			CollectionMode::ReFungible => <PalletRefungible<T>>::init_collection(sender, payer, data)?,7677			#[cfg(not(feature = "refungible"))]78			CollectionMode::ReFungible => return unsupported!(T),79		};80		Ok(id)81	}8283	fn destroy(sender: T::CrossAccountId, collection: CollectionHandle<T>) -> DispatchResult {84		match collection.mode {85			CollectionMode::ReFungible => {86				PalletRefungible::destroy_collection(RefungibleHandle::cast(collection), &sender)?87			}88			CollectionMode::Fungible(_) => {89				PalletFungible::destroy_collection(FungibleHandle::cast(collection), &sender)?90			}91			CollectionMode::NFT => {92				PalletNonfungible::destroy_collection(NonfungibleHandle::cast(collection), &sender)?93			}94		}95		Ok(())96	}9798	fn dispatch(handle: CollectionHandle<T>) -> Self {99		match handle.mode {100			CollectionMode::Fungible(_) => Self::Fungible(FungibleHandle::cast(handle)),101			CollectionMode::NFT => Self::Nonfungible(NonfungibleHandle::cast(handle)),102			CollectionMode::ReFungible => Self::Refungible(RefungibleHandle::cast(handle)),103		}104	}105106	fn into_inner(self) -> CollectionHandle<T> {107		match self {108			Self::Fungible(f) => f.into_inner(),109			Self::Nonfungible(f) => f.into_inner(),110			Self::Refungible(f) => f.into_inner(),111		}112	}113114	fn as_dyn(&self) -> &dyn CommonCollectionOperations<T> {115		match self {116			Self::Fungible(h) => h,117			Self::Nonfungible(h) => h,118			Self::Refungible(h) => h,119		}120	}121}122123impl<T> pallet_evm::OnMethodCall<T> for CollectionDispatchT<T>124where125	T: pallet_common::Config126		+ pallet_unique::Config127		+ pallet_fungible::Config128		+ pallet_nonfungible::Config129		+ pallet_refungible::Config,130	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,131{132	fn is_reserved(target: &H160) -> bool {133		map_eth_to_id(target).is_some()134	}135	fn is_used(target: &H160) -> bool {136		map_eth_to_id(target)137			.map(<CollectionById<T>>::contains_key)138			.unwrap_or(false)139	}140	fn get_code(target: &H160) -> Option<Vec<u8>> {141		if let Some(collection_id) = map_eth_to_id(target) {142			let collection = <CollectionById<T>>::get(collection_id)?;143			Some(144				match collection.mode {145					CollectionMode::NFT => <NonfungibleHandle<T>>::CODE,146					CollectionMode::Fungible(_) => <FungibleHandle<T>>::CODE,147					CollectionMode::ReFungible => <RefungibleHandle<T>>::CODE,148				}149				.to_owned(),150			)151		} else if let Some((collection_id, _token_id)) =152			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(target)153		{154			let collection = <CollectionById<T>>::get(collection_id)?;155			if collection.mode != CollectionMode::ReFungible {156				return None;157			}158			// TODO: check token existence159			Some(<RefungibleTokenHandle<T>>::CODE.to_owned())160		} else {161			None162		}163	}164	fn call(handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {165		if let Some(collection_id) = map_eth_to_id(&handle.code_address()) {166			let collection =167				<CollectionHandle<T>>::new_with_gas_limit(collection_id, handle.remaining_gas())?;168			let dispatched = Self::dispatch(collection);169170			match dispatched {171				Self::Fungible(h) => h.call(handle),172				Self::Nonfungible(h) => h.call(handle),173				Self::Refungible(h) => h.call(handle),174			}175		} else if let Some((collection_id, token_id)) =176			<T as pallet_common::Config>::EvmTokenAddressMapping::address_to_token(177				&handle.code_address(),178			) {179			let collection =180				<CollectionHandle<T>>::new_with_gas_limit(collection_id, handle.remaining_gas())?;181			if collection.mode != CollectionMode::ReFungible {182				return None;183			}184185			let h = RefungibleHandle::cast(collection);186			// TODO: check token existence187			RefungibleTokenHandle(h, token_id).call(handle)188		} else {189			None190		}191	}192}