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XCM revamp & Ping pallet (#391)
* Add spambot * Fixes * Add some extra functions to spambot, bump version * Lock.. * Aggregate HRMP (XCMP/HMP) messages. Payloads for spambot. * Fix tests, bump Polkadot. * Fix HMP tests * Rename Hrmp -> Xcmp for handler/sender * Use master branch * Test Xcm message passing & rename away from HMP * Docs * Introduce fee payment mechanics into XCM. * Rename spambot -> ping * Lock * XCMP message dispatch system reimagining - Moved most of the logic into xcm-handler pallet - Altered the outgoing XCMP API from push to pull - Changed underlying outgoing queue data structures to avoid multi-page read/writes - Introduced queuing for incoming messages - Introduced signal messages as a flow-control sub-stream - Introduced flow-control with basic threshold back-pressure - Introduced overall weight limitation on messages executed - Additonal alterations to XCM APIs for the new system * Should process any remaining XCM messages when we're not doing anything else. * Update API usage and preparation for the big build. * Some build fixes * Build fixes * xcm-handler builds * Fix warnings * Docs * Parachains system builds * Parachain runtime building * Fix build * Introduce transfer_asset specialisation. * Fixes * Two-stage upgrade for parachains. * Fixes * Fixes * Updates for message sending. * Repotting/renaming. Add primitives/utility. * Remove real-overseer and bump refs * Configure & document Rococo XCM runtime. * Add shell runtime, some companion changes for #8589 * Bumps & fixes * Fix test * Build fix * Update pallets/xcmp-queue/src/lib.rs Co-authored-by: Amar Singh <asinghchrony@protonmail.com> * Make tests compile * Apply suggestions from code review Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * remove unused * remove unused event stuff * Adds proper validation-worker to make integration tests work * Apply suggestions from code review Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * import saturating * remove panic test Co-authored-by: Robert Habermeier <rphmeier@gmail.com> Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> Co-authored-by: Amar Singh <asinghchrony@protonmail.com> Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com> Co-authored-by: Bastian Köcher <info@kchr.de>
This commit is contained in:
Gavin Wood
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[package]
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authors = ["Parity Technologies <admin@parity.io>"]
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edition = "2018"
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name = "cumulus-pallet-xcm"
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version = "0.1.0"
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[dependencies]
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codec = { package = "parity-scale-codec", version = "2.0.0", default-features = false, features = ["derive"] }
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serde = { version = "1.0.101", optional = true, features = ["derive"] }
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sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
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sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
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frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
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frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
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xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
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cumulus-primitives-core = { path = "../../primitives/core", default-features = false }
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[features]
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default = ["std"]
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std = [
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"codec/std",
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"serde",
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"cumulus-primitives-core/std",
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"sp-std/std",
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"sp-runtime/std",
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"frame-support/std",
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"frame-system/std",
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]
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// Copyright 2020-2021 Parity Technologies (UK) Ltd.
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// This file is part of Cumulus.
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// Cumulus is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Cumulus is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Cumulus. If not, see <http://www.gnu.org/licenses/>.
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//! Pallet for stuff specific to parachains' usage of XCM. Right now that's just the origin
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//! used by parachains when receiving `Transact` messages from other parachains 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 cumulus_primitives_core::ParaId;
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use codec::{Encode, Decode};
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use sp_runtime::traits::BadOrigin;
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pub use pallet::*;
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#[frame_support::pallet]
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pub mod pallet {
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use frame_support::pallet_prelude::*;
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use frame_system::pallet_prelude::*;
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#[pallet::pallet]
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#[pallet::generate_store(pub(super) trait Store)]
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pub struct Pallet<T>(_);
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/// The module configuration trait.
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#[pallet::config]
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pub trait Config: frame_system::Config {}
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#[pallet::error]
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pub enum Error<T> {}
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#[pallet::hooks]
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impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {}
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#[pallet::call]
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impl<T: Config> Pallet<T> {}
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}
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/// Origin for the parachains module.
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#[derive(PartialEq, Eq, Clone, Encode, Decode)]
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#[cfg_attr(feature = "std", derive(Debug))]
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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) parachain.
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SiblingParachain(ParaId),
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}
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impl From<ParaId> for Origin {
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fn from(id: ParaId) -> Origin {
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Origin::SiblingParachain(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::SiblingParachain(id.into())
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}
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}
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/// Ensure that the origin `o` represents a sibling parachain.
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/// Returns `Ok` with the parachain 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 OuterOrigin: Into<Result<Origin, OuterOrigin>>
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{
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match o.into() {
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Ok(Origin::SiblingParachain(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 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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