// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Cumulus.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! Minimal Pallet that injects a ParachainId into Runtime storage from
#![cfg_attr(not(feature = "std"), no_std)]
pub use pallet::*;
#[frame_support::pallet]
pub mod pallet {
use cumulus_primitives_core::ParaId;
use frame_support::pallet_prelude::*;
use frame_system::pallet_prelude::*;
#[pallet::pallet]
pub struct Pallet<T>(_);
#[pallet::config]
pub trait Config: frame_system::Config {}
#[pallet::hooks]
impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {}
#[pallet::call]
impl<T: Config> Pallet<T> {}
#[pallet::genesis_config]
pub struct GenesisConfig<T: Config> {
#[serde(skip)]
pub _config: core::marker::PhantomData<T>,
pub parachain_id: ParaId,
}
impl<T: Config> Default for GenesisConfig<T> {
fn default() -> Self {
Self { parachain_id: 100.into(), _config: Default::default() }
}
}
#[pallet::genesis_build]
impl<T: Config> BuildGenesisConfig for GenesisConfig<T> {
fn build(&self) {
ParachainId::<T>::put(self.parachain_id);
}
}
#[pallet::type_value]
pub(super) fn DefaultForParachainId() -> ParaId {
100.into()
}
#[pallet::storage]
pub(super) type ParachainId<T: Config> =
StorageValue<_, ParaId, ValueQuery, DefaultForParachainId>;
impl<T: Config> Get<ParaId> for Pallet<T> {
fn get() -> ParaId {
ParachainId::<T>::get()
}
}
impl<T: Config> Pallet<T> {
pub fn parachain_id() -> ParaId {
ParachainId::<T>::get()
}
}
}