git.delta.rocks / unique-network / refs/commits / d59d4711fcdc

--- /dev/null
+++ b/runtime/opal/src/xcm_config.rs
@@ -0,0 +1,513 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+use cumulus_pallet_xcm;
+use frame_support::{
+	{match_types, parameter_types, weights::Weight},
+	pallet_prelude::Get,
+	traits::{Contains, Everything, fungibles},
+};
+use frame_system::EnsureRoot;
+use orml_traits::{location::AbsoluteReserveProvider, parameter_type_with_key};
+use pallet_xcm::XcmPassthrough;
+use polkadot_parachain::primitives::Sibling;
+use sp_runtime::traits::{AccountIdConversion, CheckedConversion, Convert, Zero};
+use sp_std::{borrow::Borrow, marker::PhantomData, vec, vec::Vec};
+use xcm::{
+	latest::{MultiAsset, Xcm},
+	prelude::{Concrete, Fungible as XcmFungible},
+	v1::{BodyId, Junction::*, Junctions::*, MultiLocation, NetworkId},
+};
+use xcm_builder::{
+	AccountId32Aliases, AllowTopLevelPaidExecutionFrom, AllowUnpaidExecutionFrom, CurrencyAdapter,
+	EnsureXcmOrigin, FixedWeightBounds, FungiblesAdapter, LocationInverter, ParentAsSuperuser,
+	ParentIsPreset, RelayChainAsNative, SiblingParachainAsNative, SiblingParachainConvertsVia,
+	SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit,
+	ConvertedConcreteAssetId,
+};
+use xcm_executor::{
+	{Config, XcmExecutor},
+	traits::{Convert as ConvertXcm, FilterAssetLocation, JustTry, MatchesFungible, ShouldExecute},
+};
+
+use up_common::{
+	constants::{MAXIMUM_BLOCK_WEIGHT, UNIQUE},
+	types::{AccountId, Balance},
+};
+
+use crate::{
+	Balances, Call, DmpQueue, Event, ForeingAssets, Origin, ParachainInfo,
+	ParachainSystem, PolkadotXcm, Runtime, XcmpQueue,
+};
+use crate::runtime_common::config::substrate::{TreasuryModuleId, MaxLocks, MaxReserves};
+use crate::runtime_common::config::pallets::TreasuryAccountId;
+use crate::runtime_common::config::xcm::*;
+use crate::*;
+
+use pallet_foreing_assets::{
+	AssetIds, AssetIdMapping, XcmForeignAssetIdMapping, CurrencyId, NativeCurrency,
+	UsingAnyCurrencyComponents, TryAsForeing, ForeignAssetId,
+};
+
+// Signed version of balance
+pub type Amount = i128;
+
+/*
+parameter_types! {
+	pub const ReservedDmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT / 4;
+	pub const ReservedXcmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT / 4;
+}
+
+impl cumulus_pallet_parachain_system::Config for Runtime {
+	type Event = Event;
+	type SelfParaId = parachain_info::Pallet<Self>;
+	type OnSystemEvent = ();
+	type OutboundXcmpMessageSource = XcmpQueue;
+	type DmpMessageHandler = DmpQueue;
+	type ReservedDmpWeight = ReservedDmpWeight;
+	type ReservedXcmpWeight = ReservedXcmpWeight;
+	type XcmpMessageHandler = XcmpQueue;
+}
+
+impl parachain_info::Config for Runtime {}
+
+impl cumulus_pallet_aura_ext::Config for Runtime {}
+ */
+
+parameter_types! {
+	pub const RelayLocation: MultiLocation = MultiLocation::parent();
+	pub const RelayNetwork: NetworkId = NetworkId::Polkadot;
+	pub RelayOrigin: Origin = cumulus_pallet_xcm::Origin::Relay.into();
+	pub Ancestry: MultiLocation = Parachain(ParachainInfo::parachain_id().into()).into();
+	pub SelfLocation: MultiLocation = MultiLocation::new(1, X1(Parachain(ParachainInfo::get().into())));
+}
+
+/*
+/// Type for specifying how a `MultiLocation` can be converted into an `AccountId`. This is used
+/// when determining ownership of accounts for asset transacting and when attempting to use XCM
+/// `Transact` in order to determine the dispatch Origin.
+pub type LocationToAccountId = (
+	// The parent (Relay-chain) origin converts to the default `AccountId`.
+	ParentIsPreset<AccountId>,
+	// Sibling parachain origins convert to AccountId via the `ParaId::into`.
+	SiblingParachainConvertsVia<Sibling, AccountId>,
+	// Straight up local `AccountId32` origins just alias directly to `AccountId`.
+	AccountId32Aliases<RelayNetwork, AccountId>,
+);
+
+pub struct OnlySelfCurrency;
+
+impl<B: TryFrom<u128>> MatchesFungible<B> for OnlySelfCurrency {
+	fn matches_fungible(a: &MultiAsset) -> Option<B> {
+		match (&a.id, &a.fun) {
+			(Concrete(_), XcmFungible(ref amount)) => CheckedConversion::checked_from(*amount),
+			_ => None,
+		}
+	}
+}
+
+/// Means for transacting assets on this chain.
+pub type LocalAssetTransactor = CurrencyAdapter<
+	// Use this currency:
+	Balances,
+	// Use this currency when it is a fungible asset matching the given location or name:
+	OnlySelfCurrency,
+	// Do a simple punn to convert an AccountId32 MultiLocation into a native chain account ID:
+	LocationToAccountId,
+	// Our chain's account ID type (we can't get away without mentioning it explicitly):
+	AccountId,
+	// We don't track any teleports.
+	(),
+>;
+
+ */
+
+/*
+parameter_types! {
+	pub CheckingAccount: AccountId = PolkadotXcm::check_account();
+}
+
+/// Allow checking in assets that have issuance > 0.
+pub struct NonZeroIssuance<AccountId, ForeingAssets>(PhantomData<(AccountId, ForeingAssets)>);
+impl<AccountId, ForeingAssets> Contains<<ForeingAssets as fungibles::Inspect<AccountId>>::AssetId>
+	for NonZeroIssuance<AccountId, ForeingAssets>
+where
+	ForeingAssets: fungibles::Inspect<AccountId>,
+{
+	fn contains(id: &<ForeingAssets as fungibles::Inspect<AccountId>>::AssetId) -> bool {
+		!ForeingAssets::total_issuance(*id).is_zero()
+	}
+}
+
+pub struct AsInnerId<AssetId, ConvertAssetId>(PhantomData<(AssetId, ConvertAssetId)>);
+impl<AssetId: Clone + PartialEq, ConvertAssetId: ConvertXcm<AssetId, AssetId>>
+	ConvertXcm<MultiLocation, AssetId> for AsInnerId<AssetId, ConvertAssetId>
+where
+	AssetId: Borrow<AssetId>,
+	AssetId: TryAsForeing<AssetId, ForeignAssetId>,
+	AssetIds: Borrow<AssetId>,
+{
+	fn convert_ref(id: impl Borrow<MultiLocation>) -> Result<AssetId, ()> {
+		let id = id.borrow();
+
+		log::trace!(
+			target: "xcm::AsInnerId::Convert",
+			"AsInnerId {:?}",
+			id
+		);
+
+		let parent = MultiLocation::parent();
+		let here = MultiLocation::here();
+		let self_location = MultiLocation::new(1, X1(Parachain(ParachainInfo::get().into())));
+
+		if *id == parent {
+			return ConvertAssetId::convert_ref(AssetIds::NativeAssetId(NativeCurrency::Parent));
+		}
+
+		if *id == here || *id == self_location {
+			return ConvertAssetId::convert_ref(AssetIds::NativeAssetId(NativeCurrency::Here));
+		}
+
+		match XcmForeignAssetIdMapping::<Runtime>::get_currency_id(id.clone()) {
+			Some(AssetIds::ForeignAssetId(foreign_asset_id)) => {
+				ConvertAssetId::convert_ref(AssetIds::ForeignAssetId(foreign_asset_id))
+			}
+			_ => ConvertAssetId::convert_ref(AssetIds::ForeignAssetId(0)),
+		}
+	}
+
+	fn reverse_ref(what: impl Borrow<AssetId>) -> Result<MultiLocation, ()> {
+		log::trace!(
+			target: "xcm::AsInnerId::Reverse",
+			"AsInnerId",
+		);
+
+		let asset_id = what.borrow();
+
+		let parent_id =
+			ConvertAssetId::convert_ref(AssetIds::NativeAssetId(NativeCurrency::Parent)).unwrap();
+		let here_id =
+			ConvertAssetId::convert_ref(AssetIds::NativeAssetId(NativeCurrency::Here)).unwrap();
+
+		if asset_id.clone() == parent_id {
+			return Ok(MultiLocation::parent());
+		}
+
+		if asset_id.clone() == here_id {
+			return Ok(MultiLocation::new(
+				1,
+				X1(Parachain(ParachainInfo::get().into())),
+			));
+		}
+
+		match <AssetId as TryAsForeing<AssetId, ForeignAssetId>>::try_as_foreing(asset_id.clone()) {
+			Some(fid) => match XcmForeignAssetIdMapping::<Runtime>::get_multi_location(fid) {
+				Some(location) => Ok(location),
+				None => Err(()),
+			},
+			None => Err(()),
+		}
+	}
+}
+
+/// Means for transacting assets besides the native currency on this chain.
+pub type FungiblesTransactor = FungiblesAdapter<
+	// Use this fungibles implementation:
+	ForeingAssets,
+	// Use this currency when it is a fungible asset matching the given location or name:
+	ConvertedConcreteAssetId<AssetIds, Balance, AsInnerId<AssetIds, JustTry>, JustTry>,
+	// Convert an XCM MultiLocation into a local account id:
+	LocationToAccountId,
+	// Our chain's account ID type (we can't get away without mentioning it explicitly):
+	AccountId,
+	// We only want to allow teleports of known assets. We use non-zero issuance as an indication
+	// that this asset is known.
+	NonZeroIssuance<AccountId, ForeingAssets>,
+	// The account to use for tracking teleports.
+	CheckingAccount,
+>;
+
+/// Means for transacting assets on this chain.
+pub type AssetTransactors = FungiblesTransactor;
+ */
+
+/// This is the type we use to convert an (incoming) XCM origin into a local `Origin` instance,
+/// ready for dispatching a transaction with Xcm's `Transact`. There is an `OriginKind` which can
+/// biases the kind of local `Origin` it will become.
+pub type XcmOriginToTransactDispatchOrigin = (
+	// Sovereign account converter; this attempts to derive an `AccountId` from the origin location
+	// using `LocationToAccountId` and then turn that into the usual `Signed` origin. Useful for
+	// foreign chains who want to have a local sovereign account on this chain which they control.
+	SovereignSignedViaLocation<LocationToAccountId, Origin>,
+	// Native converter for Relay-chain (Parent) location; will converts to a `Relay` origin when
+	// recognised.
+	RelayChainAsNative<RelayOrigin, Origin>,
+	// Native converter for sibling Parachains; will convert to a `SiblingPara` origin when
+	// recognised.
+	SiblingParachainAsNative<cumulus_pallet_xcm::Origin, Origin>,
+	// Superuser converter for the Relay-chain (Parent) location. This will allow it to issue a
+	// transaction from the Root origin.
+	ParentAsSuperuser<Origin>,
+	// Native signed account converter; this just converts an `AccountId32` origin into a normal
+	// `Origin::Signed` origin of the same 32-byte value.
+	SignedAccountId32AsNative<RelayNetwork, Origin>,
+	// Xcm origins can be represented natively under the Xcm pallet's Xcm origin.
+	XcmPassthrough<Origin>,
+);
+
+parameter_types! {
+	// One XCM operation is 1_000_000 weight - almost certainly a conservative estimate.
+	pub UnitWeightCost: Weight = 1_000_000;
+	// 1200 UNIQUEs buy 1 second of weight.
+	pub const WeightPrice: (MultiLocation, u128) = (MultiLocation::parent(), 1_200 * UNIQUE);
+	pub const MaxInstructions: u32 = 100;
+	pub const MaxAuthorities: u32 = 100_000;
+}
+
+match_types! {
+	pub type ParentOrParentsUnitPlurality: impl Contains<MultiLocation> = {
+		MultiLocation { parents: 1, interior: Here } |
+		MultiLocation { parents: 1, interior: X1(Plurality { id: BodyId::Unit, .. }) }
+	};
+}
+
+/// Execution barrier that just takes `max_weight` from `weight_credit`.
+///
+/// Useful to allow XCM execution by local chain users via extrinsics.
+/// E.g. `pallet_xcm::reserve_asset_transfer` to transfer a reserve asset
+/// out of the local chain to another one.
+pub struct AllowAllDebug;
+impl ShouldExecute for AllowAllDebug {
+	fn should_execute<Call>(
+		_origin: &MultiLocation,
+		_message: &mut Xcm<Call>,
+		max_weight: Weight,
+		weight_credit: &mut Weight,
+	) -> Result<(), ()> {
+		Ok(())
+	}
+}
+
+pub type Barrier = (
+	TakeWeightCredit,
+	AllowTopLevelPaidExecutionFrom<Everything>,
+	AllowUnpaidExecutionFrom<ParentOrParentsUnitPlurality>,
+	// ^^^ Parent & its unit plurality gets free execution
+	AllowAllDebug,
+);
+
+pub struct AllAsset;
+impl FilterAssetLocation for AllAsset {
+	fn filter_asset_location(asset: &MultiAsset, origin: &MultiLocation) -> bool {
+		true
+	}
+}
+
+/* /// CHANGEME!!!
+pub struct XcmConfig;
+impl Config for XcmConfig {
+	type Call = Call;
+	type XcmSender = XcmRouter;
+	// How to withdraw and deposit an asset.
+	type AssetTransactor = AssetTransactors;
+	type OriginConverter = XcmOriginToTransactDispatchOrigin;
+	type IsReserve = AllAsset; //NativeAsset;
+	type IsTeleporter = (); // Teleportation is disabled
+	type LocationInverter = LocationInverter<Ancestry>;
+	type Barrier = Barrier;
+	type Weigher = FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;
+	type Trader =
+		UsingAnyCurrencyComponents<LinearFee<Balance>, RelayLocation, AccountId, Balances, ()>;
+	type ResponseHandler = (); // Don't handle responses for now.
+	type SubscriptionService = PolkadotXcm;
+	type AssetTrap = PolkadotXcm;
+	type AssetClaims = PolkadotXcm;
+}
+ */
+
+/*
+/// No local origins on this chain are allowed to dispatch XCM sends/executions.
+pub type LocalOriginToLocation = (SignedToAccountId32<Origin, AccountId, RelayNetwork>,);
+
+/// The means for routing XCM messages which are not for local execution into the right message
+/// queues.
+pub type XcmRouter = (
+	// Two routers - use UMP to communicate with the relay chain:
+	cumulus_primitives_utility::ParentAsUmp<ParachainSystem, ()>,
+	// ..and XCMP to communicate with the sibling chains.
+	XcmpQueue,
+);
+ */
+
+/*
+impl pallet_xcm::Config for Runtime {
+	type Event = Event;
+	type SendXcmOrigin = EnsureXcmOrigin<Origin, LocalOriginToLocation>;
+	type XcmRouter = XcmRouter;
+	type ExecuteXcmOrigin = EnsureXcmOrigin<Origin, LocalOriginToLocation>;
+	type XcmExecuteFilter = Everything;
+	type XcmExecutor = XcmExecutor<XcmConfig<Self>>;
+	type XcmTeleportFilter = Everything;
+	type XcmReserveTransferFilter = Everything;
+	type Weigher = FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;
+	type LocationInverter = LocationInverter<Ancestry>;
+	type Origin = Origin;
+	type Call = Call;
+	const VERSION_DISCOVERY_QUEUE_SIZE: u32 = 100;
+	type AdvertisedXcmVersion = pallet_xcm::CurrentXcmVersion;
+}
+ */
+
+/*
+impl cumulus_pallet_xcm::Config for Runtime {
+	type Event = Event;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+}
+
+impl cumulus_pallet_xcmp_queue::Config for Runtime {
+	type WeightInfo = ();
+	type Event = Event;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+	type ChannelInfo = ParachainSystem;
+	type VersionWrapper = ();
+	type ExecuteOverweightOrigin = frame_system::EnsureRoot<AccountId>;
+	type ControllerOrigin = EnsureRoot<AccountId>;
+	type ControllerOriginConverter = XcmOriginToTransactDispatchOrigin;
+}
+
+impl cumulus_pallet_dmp_queue::Config for Runtime {
+	type Event = Event;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+	type ExecuteOverweightOrigin = frame_system::EnsureRoot<AccountId>;
+}
+ */
+
+pub struct CurrencyIdConvert;
+impl Convert<AssetIds, Option<MultiLocation>> for CurrencyIdConvert {
+	fn convert(id: AssetIds) -> Option<MultiLocation> {
+		match id {
+			AssetIds::NativeAssetId(NativeCurrency::Here) => Some(MultiLocation::new(
+				1,
+				X1(Parachain(ParachainInfo::get().into())),
+			)),
+			AssetIds::NativeAssetId(NativeCurrency::Parent) => Some(MultiLocation::parent()),
+			AssetIds::ForeignAssetId(foreign_asset_id) => {
+				XcmForeignAssetIdMapping::<Runtime>::get_multi_location(foreign_asset_id)
+			}
+		}
+	}
+}
+impl Convert<MultiLocation, Option<CurrencyId>> for CurrencyIdConvert {
+	fn convert(location: MultiLocation) -> Option<CurrencyId> {
+		if location == MultiLocation::here()
+			|| location == MultiLocation::new(1, X1(Parachain(ParachainInfo::get().into())))
+		{
+			return Some(AssetIds::NativeAssetId(NativeCurrency::Here));
+		}
+
+		if location == MultiLocation::parent() {
+			return Some(AssetIds::NativeAssetId(NativeCurrency::Parent));
+		}
+
+		if let Some(currency_id) =
+			XcmForeignAssetIdMapping::<Runtime>::get_currency_id(location.clone())
+		{
+			return Some(currency_id);
+		}
+
+		None
+	}
+}
+
+pub fn get_all_module_accounts() -> Vec<AccountId> {
+	vec![TreasuryModuleId::get().into_account_truncating()]
+}
+
+pub struct DustRemovalWhitelist;
+impl Contains<AccountId> for DustRemovalWhitelist {
+	fn contains(a: &AccountId) -> bool {
+		get_all_module_accounts().contains(a)
+	}
+}
+
+parameter_type_with_key! {
+	pub ExistentialDeposits: |currency_id: CurrencyId| -> Balance {
+		match currency_id {
+			CurrencyId::NativeAssetId(symbol) => match symbol {
+				NativeCurrency::Here => 0,
+				NativeCurrency::Parent=> 0,
+			},
+			_ => 100_000
+		}
+	};
+}
+
+impl orml_tokens::Config for Runtime {
+	type Event = Event;
+	type Balance = Balance;
+	type Amount = Amount;
+	type CurrencyId = CurrencyId;
+	type WeightInfo = ();
+	type ExistentialDeposits = ExistentialDeposits;
+	type OnDust = orml_tokens::TransferDust<Runtime, TreasuryAccountId>;
+	type MaxLocks = MaxLocks;
+	type MaxReserves = MaxReserves;
+	// TODO: Add all module accounts
+	type DustRemovalWhitelist = DustRemovalWhitelist;
+	/// The id type for named reserves.
+	type ReserveIdentifier = ();
+	type OnNewTokenAccount = ();
+	type OnKilledTokenAccount = ();
+}
+
+parameter_types! {
+	pub const BaseXcmWeight: Weight = 100_000_000; // TODO: recheck this
+	pub const MaxAssetsForTransfer: usize = 2;
+}
+
+parameter_type_with_key! {
+	pub ParachainMinFee: |_location: MultiLocation| -> Option<u128> {
+		Some(100_000_000)
+	};
+}
+
+pub struct AccountIdToMultiLocation;
+impl Convert<AccountId, MultiLocation> for AccountIdToMultiLocation {
+	fn convert(account: AccountId) -> MultiLocation {
+		X1(AccountId32 {
+			network: NetworkId::Any,
+			id: account.into(),
+		})
+		.into()
+	}
+}
+
+impl orml_xtokens::Config for Runtime {
+	type Event = Event;
+	type Balance = Balance;
+	type CurrencyId = AssetIds;
+	type CurrencyIdConvert = CurrencyIdConvert;
+	type AccountIdToMultiLocation = AccountIdToMultiLocation;
+	type SelfLocation = SelfLocation;
+	type XcmExecutor = XcmExecutor<XcmConfig<Self>>;
+	type Weigher = FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;
+	type BaseXcmWeight = BaseXcmWeight;
+	type LocationInverter = LocationInverter<Ancestry>;
+	type MaxAssetsForTransfer = MaxAssetsForTransfer;
+	type MinXcmFee = ParachainMinFee;
+	type MultiLocationsFilter = Everything;
+	type ReserveProvider = AbsoluteReserveProvider;
+}