git.delta.rocks / unique-network / refs/commits / 5def7d2ebca5

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_pallet_xcm;18use frame_support::{19    {match_types, parameter_types, weights::Weight},20    pallet_prelude::Get,21    traits::{Contains, Everything, fungibles},22};23use frame_system::EnsureRoot;24use orml_traits::{location::AbsoluteReserveProvider, parameter_type_with_key};25use pallet_xcm::XcmPassthrough;26use polkadot_parachain::primitives::Sibling;27use sp_runtime::traits::{AccountIdConversion, CheckedConversion, Convert, Zero};28use sp_std::{borrow::Borrow, marker::PhantomData, vec, vec::Vec};29use xcm::{30    latest::{MultiAsset, Xcm},31    prelude::{Concrete, Fungible as XcmFungible},32    v1::{BodyId, Junction::*, Junctions::*, MultiLocation, NetworkId},33};34use xcm_builder::{35    AllowKnownQueryResponses, AllowSubscriptionsFrom,36    AccountId32Aliases, AllowTopLevelPaidExecutionFrom, AllowUnpaidExecutionFrom,37    EnsureXcmOrigin, FixedWeightBounds, FungiblesAdapter, LocationInverter, ParentAsSuperuser,38    ParentIsPreset, RelayChainAsNative, SiblingParachainAsNative, SiblingParachainConvertsVia,39    SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit,40    ConvertedConcreteAssetId,41};42use xcm_executor::{43    {Config, XcmExecutor},44    traits::{Convert as ConvertXcm, FilterAssetLocation, JustTry, MatchesFungible, ShouldExecute},45};4647use up_common::{48    constants::{MAXIMUM_BLOCK_WEIGHT, UNIQUE},49    types::{AccountId, Balance},50};51use pallet_foreing_assets::{52    AssetIds, AssetIdMapping, XcmForeignAssetIdMapping, CurrencyId, NativeCurrency,53    FreeForAll, TryAsForeing, ForeignAssetId,54};55use crate::{56    Balances, Call, DmpQueue, Event, Origin, ParachainInfo,57    ParachainSystem, PolkadotXcm, Runtime, XcmpQueue,58};59use crate::runtime_common::config::substrate::{TreasuryModuleId, MaxLocks, MaxReserves};60use crate::runtime_common::config::pallets::TreasuryAccountId;61use crate::runtime_common::config::xcm::*;62use crate::*;63use xcm::opaque::latest::prelude::{ DepositReserveAsset, DepositAsset, TransferAsset, TransferReserveAsset };6465// Signed version of balance66pub type Amount = i128;6768match_types! {69	pub type ParentOrParentsExecutivePlurality: impl Contains<MultiLocation> = {70		MultiLocation { parents: 1, interior: Here } |71		MultiLocation { parents: 1, interior: X1(Plurality { id: BodyId::Executive, .. }) }72	};73	pub type ParentOrSiblings: impl Contains<MultiLocation> = {74		MultiLocation { parents: 1, interior: Here } |75		MultiLocation { parents: 1, interior: X1(_) }76	};77}7879/// Deny executing the XCM if it matches any of the Deny filter regardless of anything else.80/// If it passes the Deny, and matches one of the Allow cases then it is let through.81pub struct DenyThenTry<Deny, Allow>(PhantomData<Deny>, PhantomData<Allow>)82    where83        Deny: ShouldExecute,84        Allow: ShouldExecute;8586impl<Deny, Allow> ShouldExecute for DenyThenTry<Deny, Allow>87    where88        Deny: ShouldExecute,89        Allow: ShouldExecute,90{91    fn should_execute<Call>(92        origin: &MultiLocation,93        message: &mut Xcm<Call>,94        max_weight: Weight,95        weight_credit: &mut Weight,96    ) -> Result<(), ()> {97        Deny::should_execute(origin, message, max_weight, weight_credit)?;98        Allow::should_execute(origin, message, max_weight, weight_credit)99    }100}101102pub fn get_allowed_locations() -> Vec<MultiLocation> {103    vec![104        // Self location105        MultiLocation { parents: 0, interior: Here },106        // Parent location107        MultiLocation { parents: 1, interior: Here },108        // Karura/Acala location109        MultiLocation { parents: 1, interior: X1(Parachain(2000)) },110        // Moonriver location111        MultiLocation { parents: 1, interior: X1(Parachain(2023)) },112        // Self parachain address113        MultiLocation { parents: 1, interior: X1(Parachain(ParachainInfo::get().into())) },114    ]115}116117// Allow xcm exchange only with locations in list118pub struct DenyExchangeWithUnknownLocation;119impl ShouldExecute for DenyExchangeWithUnknownLocation {120    fn should_execute<Call>(121        origin: &MultiLocation,122        message: &mut Xcm<Call>,123        _max_weight: Weight,124        _weight_credit: &mut Weight,125    ) -> Result<(), ()> {126127        // Check if deposit or transfer belongs to allowed parachains128        let mut allowed = get_allowed_locations().contains(origin);129130        message.0.iter().for_each(|inst| {131            match inst {132                DepositReserveAsset { dest: dst, .. } => { allowed |= get_allowed_locations().contains(dst); }133                TransferReserveAsset { dest: dst, .. } => { allowed |= get_allowed_locations().contains(dst); }134                _ => {}135            }136        });137138        if allowed {139            return Ok(());140        }141142        log::warn!(143			target: "xcm::barrier",144			"Unexpected deposit or transfer location"145		);146        // Deny147        Err(())148    }149}150151pub type Barrier = DenyThenTry<152    DenyExchangeWithUnknownLocation,153    (154        TakeWeightCredit,155        AllowTopLevelPaidExecutionFrom<Everything>,156        // Parent and its exec plurality get free execution157        AllowUnpaidExecutionFrom<ParentOrParentsExecutivePlurality>,158        // Expected responses are OK.159        AllowKnownQueryResponses<PolkadotXcm>,160        // Subscriptions for version tracking are OK.161        AllowSubscriptionsFrom<ParentOrSiblings>,162    ),163>;164165impl orml_tokens::Config for Runtime {166    type Event = Event;167    type Balance = Balance;168    type Amount = Amount;169    type CurrencyId = CurrencyId;170    type WeightInfo = ();171    type ExistentialDeposits = ExistentialDeposits;172    type OnDust = orml_tokens::TransferDust<Runtime, TreasuryAccountId>;173    type MaxLocks = MaxLocks;174    type MaxReserves = MaxReserves;175    // TODO: Add all module accounts176    type DustRemovalWhitelist = DustRemovalWhitelist;177    /// The id type for named reserves.178    type ReserveIdentifier = ();179    type OnNewTokenAccount = ();180    type OnKilledTokenAccount = ();181}182183impl orml_xtokens::Config for Runtime {184    type Event = Event;185    type Balance = Balance;186    type CurrencyId = CurrencyId;187    type CurrencyIdConvert = CurrencyIdConvert;188    type AccountIdToMultiLocation = AccountIdToMultiLocation;189    type SelfLocation = SelfLocation;190    type XcmExecutor = XcmExecutor<XcmConfig<Self>>;191    type Weigher = FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;192    type BaseXcmWeight = BaseXcmWeight;193    type LocationInverter = LocationInverter<Ancestry>;194    type MaxAssetsForTransfer = MaxAssetsForTransfer;195    type MinXcmFee = ParachainMinFee;196    type MultiLocationsFilter = Everything;197    type ReserveProvider = AbsoluteReserveProvider;198}199200201parameter_type_with_key! {202	pub ExistentialDeposits: |currency_id: CurrencyId| -> Balance {203		match currency_id {204			CurrencyId::NativeAssetId(symbol) => match symbol {205				NativeCurrency::Here => 0,206				NativeCurrency::Parent=> 0,207			},208			_ => 100_000209		}210	};211}212213pub struct DustRemovalWhitelist;214impl Contains<AccountId> for DustRemovalWhitelist {215    fn contains(a: &AccountId) -> bool {216        get_all_module_accounts().contains(a)217    }218}219220221pub struct CurrencyIdConvert;222impl Convert<AssetIds, Option<MultiLocation>> for CurrencyIdConvert {223    fn convert(id: AssetIds) -> Option<MultiLocation> {224        match id {225            AssetIds::NativeAssetId(NativeCurrency::Here) => Some(MultiLocation::new(226                1,227                X1(Parachain(ParachainInfo::get().into())),228            )),229            AssetIds::NativeAssetId(NativeCurrency::Parent) => Some(MultiLocation::parent()),230            AssetIds::ForeignAssetId(_) => None,231        }232    }233}234/*235impl Convert<MultiLocation, Option<CurrencyId>> for CurrencyIdConvert {236    fn convert(location: MultiLocation) -> Option<CurrencyId> {237        if location == MultiLocation::here()238            || location == MultiLocation::new(1, X1(Parachain(ParachainInfo::get().into())))239        {240            return Some(AssetIds::NativeAssetId(NativeCurrency::Here));241        }242243        if location == MultiLocation::parent() {244            return Some(AssetIds::NativeAssetId(NativeCurrency::Parent));245        }246247        if let Some(currency_id) =248        XcmForeignAssetIdMapping::<Runtime>::get_currency_id(location.clone())249        {250            return Some(currency_id);251        }252253        None254    }255}256257 */258259260parameter_types! {261	pub const BaseXcmWeight: Weight = 100_000_000; // TODO: recheck this262	pub const MaxAssetsForTransfer: usize = 2;263}264265parameter_types! {266	pub const RelayLocation: MultiLocation = MultiLocation::parent();267	pub const RelayNetwork: NetworkId = NetworkId::Polkadot;268	pub RelayOrigin: Origin = cumulus_pallet_xcm::Origin::Relay.into();269	pub Ancestry: MultiLocation = Parachain(ParachainInfo::parachain_id().into()).into();270	pub SelfLocation: MultiLocation = MultiLocation::new(1, X1(Parachain(ParachainInfo::get().into())));271}272273parameter_type_with_key! {274	pub ParachainMinFee: |_location: MultiLocation| -> Option<u128> {275		Some(100_000_000)276	};277}278279pub fn get_all_module_accounts() -> Vec<AccountId> {280    vec![TreasuryModuleId::get().into_account_truncating()]281}282283pub struct AccountIdToMultiLocation;284impl Convert<AccountId, MultiLocation> for AccountIdToMultiLocation {285    fn convert(account: AccountId) -> MultiLocation {286        X1(AccountId32 {287            network: NetworkId::Any,288            id: account.into(),289        })290            .into()291    }292}