git.delta.rocks / unique-network / refs/commits / cec8ffa65f46

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	};32	use frame_support::{33		traits::{QueryPreimage, StorePreimage},34	};35	use frame_system::pallet_prelude::*;36	use sp_core::H256;3738	use crate::weights::WeightInfo;3940	#[pallet::config]41	pub trait Config: frame_system::Config {42		/// The overarching event type.43		type RuntimeEvent: From<Event<Self>> + IsType<<Self as frame_system::Config>::RuntimeEvent>;4445		/// The runtime origin type.46		type RuntimeOrigin: From<RawOrigin<Self::AccountId>>47			+ IsType<<Self as frame_system::Config>::RuntimeOrigin>;4849		/// The aggregated call type.50		type RuntimeCall: Parameter51			+ Dispatchable<52				RuntimeOrigin = <Self as Config>::RuntimeOrigin,53				PostInfo = PostDispatchInfo,54			> + GetDispatchInfo55			+ From<frame_system::Call<Self>>;5657		/// The preimage provider with which we look up call hashes to get the call.58		type Preimages: QueryPreimage + StorePreimage;5960		/// Weight information for extrinsics in this pallet.61		type WeightInfo: WeightInfo;62	}6364	#[pallet::event]65	#[pallet::generate_deposit(pub(super) fn deposit_event)]66	pub enum Event<T: Config> {67		MaintenanceEnabled,68		MaintenanceDisabled,69	}7071	#[pallet::pallet]72	#[pallet::generate_store(pub(super) trait Store)]73	pub struct Pallet<T>(_);7475	#[pallet::storage]76	#[pallet::getter(fn is_enabled)]77	pub type Enabled<T> = StorageValue<_, bool, ValueQuery>;7879	#[pallet::error]80	pub enum Error<T> {}8182	#[pallet::call]83	impl<T: Config> Pallet<T> {84		#[pallet::call_index(0)]85		#[pallet::weight(<T as Config>::WeightInfo::enable())]86		pub fn enable(origin: OriginFor<T>) -> DispatchResult {87			ensure_root(origin)?;8889			<Enabled<T>>::set(true);9091			Self::deposit_event(Event::MaintenanceEnabled);9293			Ok(())94		}9596		#[pallet::call_index(1)]97		#[pallet::weight(<T as Config>::WeightInfo::disable())]98		pub fn disable(origin: OriginFor<T>) -> DispatchResult {99			ensure_root(origin)?;100101			<Enabled<T>>::set(false);102103			Self::deposit_event(Event::MaintenanceDisabled);104105			Ok(())106		}107108		#[pallet::call_index(2)]109		#[pallet::weight(<T as Config>::WeightInfo::execute_preimage())]110		pub fn execute_preimage(_origin: OriginFor<T>, _hash: H256) -> DispatchResult {111			#[cfg(feature = "governance")]112			{113				let origin = _origin;114				let hash = _hash;115				116				ensure_root(origin)?;117118				let len = T::Preimages::len(&hash).ok_or(DispatchError::Unavailable)?;119				let bounded = T::Preimages::pick::<<T as Config>::RuntimeCall>(hash, len);120				let (call, _) =121					T::Preimages::realize(&bounded).map_err(|_| DispatchError::Unavailable)?;122123				let result = match call.dispatch(frame_system::RawOrigin::Root.into()) {124					Ok(_) => Ok(()),125					Err(error_and_info) => Err(error_and_info.error),126				};127128				result129			}130131			#[cfg(not(feature = "governance"))]132			{133				Err(DispatchError::Unavailable)134			}135		}136	}137}