pezkuwichain
b6d35f6faf
Updated 4763 files with dual copyright: - Parity Technologies (UK) Ltd. - Dijital Kurdistan Tech Institute
120 lines
3.3 KiB
Rust
120 lines
3.3 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd. and Dijital Kurdistan Tech Institute
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// This file is part of Pezcumulus.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Pezpallet for stuff specific to teyrchains' usage of XCM. Right now that's just the origin
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//! used by teyrchains when receiving `Transact` messages from other teyrchains or the Relay chain
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//! which must be natively represented.
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#![cfg_attr(not(feature = "std"), no_std)]
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use codec::{Decode, Encode};
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use pezcumulus_primitives_core::ParaId;
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pub use pezpallet::*;
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use pezsp_runtime::{traits::BadOrigin, RuntimeDebug};
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use scale_info::TypeInfo;
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use xcm::latest::{ExecuteXcm, Outcome};
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#[pezframe_support::pezpallet]
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pub mod pezpallet {
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use super::*;
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use pezframe_support::pezpallet_prelude::*;
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#[pezpallet::pezpallet]
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pub struct Pezpallet<T>(_);
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/// The module configuration trait.
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#[pezpallet::config]
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pub trait Config: pezframe_system::Config {
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/// The overarching event type.
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#[allow(deprecated)]
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type RuntimeEvent: From<Event<Self>>
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+ IsType<<Self as pezframe_system::Config>::RuntimeEvent>;
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type XcmExecutor: ExecuteXcm<Self::RuntimeCall>;
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}
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#[pezpallet::event]
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pub enum Event<T: Config> {
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/// Downward message is invalid XCM.
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/// \[ id \]
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InvalidFormat([u8; 32]),
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/// Downward message is unsupported version of XCM.
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/// \[ id \]
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UnsupportedVersion([u8; 32]),
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/// Downward message executed with the given outcome.
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/// \[ id, outcome \]
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ExecutedDownward([u8; 32], Outcome),
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}
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/// Origin for the teyrchains module.
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#[derive(
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PartialEq,
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Eq,
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Clone,
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Encode,
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Decode,
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DecodeWithMemTracking,
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TypeInfo,
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RuntimeDebug,
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MaxEncodedLen,
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)]
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#[pezpallet::origin]
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pub enum Origin {
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/// It comes from the (parent) relay chain.
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Relay,
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/// It comes from a (sibling) teyrchain.
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SiblingTeyrchain(ParaId),
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}
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#[pezpallet::call]
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impl<T: Config> Pezpallet<T> {}
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impl From<ParaId> for Origin {
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fn from(id: ParaId) -> Origin {
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Origin::SiblingTeyrchain(id)
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}
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}
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impl From<u32> for Origin {
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fn from(id: u32) -> Origin {
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Origin::SiblingTeyrchain(id.into())
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}
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}
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}
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/// Ensure that the origin `o` represents a sibling teyrchain.
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/// Returns `Ok` with the teyrchain ID of the sibling or an `Err` otherwise.
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pub fn ensure_sibling_para<OuterOrigin>(o: OuterOrigin) -> Result<ParaId, BadOrigin>
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where
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OuterOrigin: Into<Result<Origin, OuterOrigin>>,
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{
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match o.into() {
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Ok(Origin::SiblingTeyrchain(id)) => Ok(id),
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_ => Err(BadOrigin),
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}
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}
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/// Ensure that the origin `o` represents is the relay chain.
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/// Returns `Ok` if it does or an `Err` otherwise.
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pub fn ensure_relay<OuterOrigin>(o: OuterOrigin) -> Result<(), BadOrigin>
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where
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OuterOrigin: Into<Result<Origin, OuterOrigin>>,
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{
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match o.into() {
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Ok(Origin::Relay) => Ok(()),
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_ => Err(BadOrigin),
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}
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}
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