git.delta.rocks / unique-network / refs/commits / 12cebb765284

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/>.1617#![cfg_attr(not(feature = "std"), no_std)]1819pub use pallet::*;2021#[cfg(feature = "runtime-benchmarks")]22pub mod benchmarking;2324pub mod weights;2526#[frame_support::pallet]27pub mod pallet {28	use frame_support::{29		dispatch::*,30		pallet_prelude::*,31		traits::{QueryPreimage, StorePreimage},32	};33	use frame_system::pallet_prelude::*;34	use sp_core::H256;3536	use crate::weights::WeightInfo;3738	#[pallet::config]39	pub trait Config: frame_system::Config {40		/// The overarching event type.41		type RuntimeEvent: From<Event<Self>> + IsType<<Self as frame_system::Config>::RuntimeEvent>;4243		/// The runtime origin type.44		type RuntimeOrigin: From<RawOrigin<Self::AccountId>>45			+ IsType<<Self as frame_system::Config>::RuntimeOrigin>;4647		/// The aggregated call type.48		type RuntimeCall: Parameter49			+ Dispatchable<50				RuntimeOrigin = <Self as Config>::RuntimeOrigin,51				PostInfo = PostDispatchInfo,52			> + GetDispatchInfo53			+ From<frame_system::Call<Self>>;5455		/// The preimage provider with which we look up call hashes to get the call.56		type Preimages: QueryPreimage + StorePreimage;5758		/// Weight information for extrinsics in this pallet.59		type WeightInfo: WeightInfo;60	}6162	#[pallet::event]63	#[pallet::generate_deposit(pub(super) fn deposit_event)]64	pub enum Event<T: Config> {65		MaintenanceEnabled,66		MaintenanceDisabled,67	}6869	#[pallet::pallet]70	#[pallet::generate_store(pub(super) trait Store)]71	pub struct Pallet<T>(_);7273	#[pallet::storage]74	#[pallet::getter(fn is_enabled)]75	pub type Enabled<T> = StorageValue<_, bool, ValueQuery>;7677	#[pallet::error]78	pub enum Error<T> {}7980	#[pallet::call]81	impl<T: Config> Pallet<T> {82		#[pallet::call_index(0)]83		#[pallet::weight(<T as Config>::WeightInfo::enable())]84		pub fn enable(origin: OriginFor<T>) -> DispatchResult {85			ensure_root(origin)?;8687			<Enabled<T>>::set(true);8889			Self::deposit_event(Event::MaintenanceEnabled);9091			Ok(())92		}9394		#[pallet::call_index(1)]95		#[pallet::weight(<T as Config>::WeightInfo::disable())]96		pub fn disable(origin: OriginFor<T>) -> DispatchResult {97			ensure_root(origin)?;9899			<Enabled<T>>::set(false);100101			Self::deposit_event(Event::MaintenanceDisabled);102103			Ok(())104		}105106		#[pallet::call_index(2)]107		#[pallet::weight(<T as Config>::WeightInfo::execute_preimage())]108		pub fn execute_preimage(origin: OriginFor<T>, hash: H256) -> DispatchResult {109			ensure_root(origin)?;110111			let len = T::Preimages::len(&hash).ok_or(DispatchError::Unavailable)?;112			let bounded = T::Preimages::pick::<<T as Config>::RuntimeCall>(hash, len);113			let (call, _) =114				T::Preimages::realize(&bounded).map_err(|_| DispatchError::Unavailable)?;115116			let result = match call.dispatch(frame_system::RawOrigin::Root.into()) {117				Ok(_) => Ok(()),118				Err(error_and_info) => Err(error_and_info.error),119			};120121			result122		}123	}124}