git.delta.rocks / unique-network / refs/commits / bfab6035a123

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/>.1617use cumulus_primitives_core::ParaId;18use frame_support::{19	parameter_types,20	traits::{ConstU32, Everything, Get, Nothing, ProcessMessageError},21};22use frame_system::EnsureRoot;23use pallet_xcm::XcmPassthrough;24use polkadot_parachain_primitives::primitives::Sibling;25use polkadot_runtime_common::xcm_sender::NoPriceForMessageDelivery;26use sp_std::marker::PhantomData;27use staging_xcm::{28	latest::{prelude::*, MultiLocation, Weight},29	v3::Instruction,30};31use staging_xcm_builder::{32	AccountId32Aliases, EnsureXcmOrigin, FixedWeightBounds, ParentIsPreset, RelayChainAsNative,33	SiblingParachainAsNative, SiblingParachainConvertsVia, SignedAccountId32AsNative,34	SignedToAccountId32, SovereignSignedViaLocation,35};36use staging_xcm_executor::{37	traits::{Properties, ShouldExecute},38	XcmExecutor,39};40use up_common::types::AccountId;4142use crate::{43	xcm_barrier::Barrier, AllPalletsWithSystem, Balances, ParachainInfo, ParachainSystem,44	PolkadotXcm, RelayNetwork, Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin, XcmpQueue,45};4647#[cfg(feature = "foreign-assets")]48pub mod foreignassets;4950#[cfg(not(feature = "foreign-assets"))]51pub mod nativeassets;5253#[cfg(feature = "foreign-assets")]54pub use foreignassets as xcm_assets;55#[cfg(not(feature = "foreign-assets"))]56pub use nativeassets as xcm_assets;57use xcm_assets::{AssetTransactor, IsReserve, Trader};5859#[cfg(feature = "governance")]60use crate::runtime_common::config::governance;6162parameter_types! {63	pub const RelayLocation: MultiLocation = MultiLocation::parent();64	pub RelayOrigin: RuntimeOrigin = cumulus_pallet_xcm::Origin::Relay.into();65	pub UniversalLocation: InteriorMultiLocation = (66		GlobalConsensus(crate::RelayNetwork::get()),67		Parachain(ParachainInfo::get().into()),68	).into();69	pub SelfLocation: MultiLocation = MultiLocation::new(1, X1(Parachain(ParachainInfo::get().into())));7071	// One XCM operation is 1_000_000 weight - almost certainly a conservative estimate.72	pub UnitWeightCost: Weight = Weight::from_parts(1_000_000, 1000); // ?73	pub const MaxInstructions: u32 = 100;74}7576/// Type for specifying how a `MultiLocation` can be converted into an `AccountId`. This is used77/// when determining ownership of accounts for asset transacting and when attempting to use XCM78/// `Transact` in order to determine the dispatch Origin.79pub type LocationToAccountId = (80	// The parent (Relay-chain) origin converts to the default `AccountId`.81	ParentIsPreset<AccountId>,82	// Sibling parachain origins convert to AccountId via the `ParaId::into`.83	SiblingParachainConvertsVia<Sibling, AccountId>,84	// Straight up local `AccountId32` origins just alias directly to `AccountId`.85	AccountId32Aliases<RelayNetwork, AccountId>,86);8788/// No local origins on this chain are allowed to dispatch XCM sends/executions.89pub type LocalOriginToLocation = (SignedToAccountId32<RuntimeOrigin, AccountId, RelayNetwork>,);9091/// The means for routing XCM messages which are not for local execution into the right message92/// queues.93pub type XcmRouter = (94	// Two routers - use UMP to communicate with the relay chain:95	cumulus_primitives_utility::ParentAsUmp<ParachainSystem, PolkadotXcm, ()>,96	// ..and XCMP to communicate with the sibling chains.97	XcmpQueue,98);99100/// This is the type we use to convert an (incoming) XCM origin into a local `Origin` instance,101/// ready for dispatching a transaction with Xcm's `Transact`. There is an `OriginKind` which can102/// biases the kind of local `Origin` it will become.103pub type XcmOriginToTransactDispatchOrigin = (104	// Sovereign account converter; this attempts to derive an `AccountId` from the origin location105	// using `LocationToAccountId` and then turn that into the usual `Signed` origin. Useful for106	// foreign chains who want to have a local sovereign account on this chain which they control.107	SovereignSignedViaLocation<LocationToAccountId, RuntimeOrigin>,108	// Native converter for Relay-chain (Parent) location; will converts to a `Relay` origin when109	// recognised.110	RelayChainAsNative<RelayOrigin, RuntimeOrigin>,111	// Native converter for sibling Parachains; will convert to a `SiblingPara` origin when112	// recognised.113	SiblingParachainAsNative<cumulus_pallet_xcm::Origin, RuntimeOrigin>,114	// Native signed account converter; this just converts an `AccountId32` origin into a normal115	// `Origin::Signed` origin of the same 32-byte value.116	SignedAccountId32AsNative<RelayNetwork, RuntimeOrigin>,117	// Xcm origins can be represented natively under the Xcm pallet's Xcm origin.118	XcmPassthrough<RuntimeOrigin>,119);120121pub trait TryPass {122	fn try_pass<Call>(123		origin: &MultiLocation,124		message: &mut [Instruction<Call>],125	) -> Result<(), ProcessMessageError>;126}127128#[impl_trait_for_tuples::impl_for_tuples(30)]129impl TryPass for Tuple {130	fn try_pass<Call>(131		origin: &MultiLocation,132		message: &mut [Instruction<Call>],133	) -> Result<(), ProcessMessageError> {134		for_tuples!( #(135			Tuple::try_pass(origin, message)?;136		)* );137138		Ok(())139	}140}141142/// Deny executing the XCM if it matches any of the Deny filter regardless of anything else.143/// If it passes the Deny, and matches one of the Allow cases then it is let through.144pub struct DenyThenTry<Deny, Allow>(PhantomData<Deny>, PhantomData<Allow>)145where146	Deny: TryPass,147	Allow: ShouldExecute;148149impl<Deny, Allow> ShouldExecute for DenyThenTry<Deny, Allow>150where151	Deny: TryPass,152	Allow: ShouldExecute,153{154	fn should_execute<Call>(155		origin: &MultiLocation,156		message: &mut [Instruction<Call>],157		max_weight: Weight,158		properties: &mut Properties,159	) -> Result<(), ProcessMessageError> {160		Deny::try_pass(origin, message)?;161		Allow::should_execute(origin, message, max_weight, properties)162	}163}164165pub type Weigher = FixedWeightBounds<UnitWeightCost, RuntimeCall, MaxInstructions>;166167pub struct XcmExecutorConfig<T>(PhantomData<T>);168impl<T> staging_xcm_executor::Config for XcmExecutorConfig<T>169where170	T: pallet_configuration::Config,171{172	type RuntimeCall = RuntimeCall;173	type XcmSender = XcmRouter;174	// How to withdraw and deposit an asset.175	type AssetTransactor = AssetTransactor;176	type OriginConverter = XcmOriginToTransactDispatchOrigin;177	type IsReserve = IsReserve;178	type IsTeleporter = (); // Teleportation is disabled179	type UniversalLocation = UniversalLocation;180	type Barrier = Barrier;181	type Weigher = Weigher;182	type Trader = Trader<T>;183	type ResponseHandler = PolkadotXcm;184	type SubscriptionService = PolkadotXcm;185	type PalletInstancesInfo = AllPalletsWithSystem;186	type MaxAssetsIntoHolding = ConstU32<8>;187188	type AssetTrap = PolkadotXcm;189	type AssetClaims = PolkadotXcm;190	type AssetLocker = ();191	type AssetExchanger = ();192	type FeeManager = ();193	type MessageExporter = ();194	type UniversalAliases = Nothing;195	type CallDispatcher = RuntimeCall;196	type SafeCallFilter = Nothing;197	type Aliasers = Nothing;198}199200#[cfg(feature = "runtime-benchmarks")]201parameter_types! {202	pub ReachableDest: Option<MultiLocation> = Some(Parent.into());203}204205impl pallet_xcm::Config for Runtime {206	type RuntimeEvent = RuntimeEvent;207	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;208	type XcmRouter = XcmRouter;209	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;210	type XcmExecuteFilter = Everything;211	type XcmExecutor = XcmExecutor<XcmExecutorConfig<Self>>;212	type XcmTeleportFilter = Everything;213	type XcmReserveTransferFilter = Everything;214	type Weigher = FixedWeightBounds<UnitWeightCost, RuntimeCall, MaxInstructions>;215	type RuntimeOrigin = RuntimeOrigin;216	type RuntimeCall = RuntimeCall;217	const VERSION_DISCOVERY_QUEUE_SIZE: u32 = 100;218	type AdvertisedXcmVersion = pallet_xcm::CurrentXcmVersion;219	type UniversalLocation = UniversalLocation;220	type Currency = Balances;221	type CurrencyMatcher = ();222	type TrustedLockers = ();223	type SovereignAccountOf = LocationToAccountId;224	type MaxLockers = ConstU32<8>;225	type WeightInfo = crate::weights::xcm::SubstrateWeight<Runtime>;226	type AdminOrigin = EnsureRoot<AccountId>;227	type MaxRemoteLockConsumers = ConstU32<0>;228	type RemoteLockConsumerIdentifier = ();229	#[cfg(feature = "runtime-benchmarks")]230	type ReachableDest = ReachableDest;231}232233impl cumulus_pallet_xcm::Config for Runtime {234	type RuntimeEvent = RuntimeEvent;235	type XcmExecutor = XcmExecutor<XcmExecutorConfig<Self>>;236}237impl cumulus_pallet_xcmp_queue::Config for Runtime {238	type WeightInfo = ();239	type RuntimeEvent = RuntimeEvent;240	type XcmExecutor = XcmExecutor<XcmExecutorConfig<Self>>;241	type ChannelInfo = ParachainSystem;242	type VersionWrapper = PolkadotXcm;243	type ExecuteOverweightOrigin = frame_system::EnsureRoot<AccountId>;244245	#[cfg(feature = "governance")]246	type ControllerOrigin = governance::RootOrTechnicalCommitteeMember;247248	#[cfg(not(feature = "governance"))]249	type ControllerOrigin = frame_system::EnsureRoot<AccountId>;250251	type ControllerOriginConverter = XcmOriginToTransactDispatchOrigin;252	type PriceForSiblingDelivery = NoPriceForMessageDelivery<ParaId>;253}254255impl cumulus_pallet_dmp_queue::Config for Runtime {256	type RuntimeEvent = RuntimeEvent;257	type XcmExecutor = XcmExecutor<XcmExecutorConfig<Self>>;258	type ExecuteOverweightOrigin = frame_system::EnsureRoot<AccountId>;259}