xcm_simulator_example/parachain/
mod.rs

1// Copyright (C) Parity Technologies (UK) Ltd.
2// This file is part of Polkadot.
3
4// Polkadot is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// Polkadot is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
16
17//! Parachain runtime mock.
18
19mod xcm_config;
20pub use xcm_config::*;
21
22use core::marker::PhantomData;
23use frame_support::{
24	construct_runtime, derive_impl, parameter_types,
25	traits::{
26		ConstU128, ContainsPair, Disabled, EnsureOrigin, EnsureOriginWithArg, Everything, Nothing,
27	},
28	weights::{constants::WEIGHT_REF_TIME_PER_SECOND, Weight},
29};
30use frame_system::EnsureRoot;
31use sp_core::ConstU32;
32use sp_runtime::{
33	traits::{Get, IdentityLookup},
34	AccountId32,
35};
36use xcm::latest::prelude::*;
37use xcm_builder::{EnsureXcmOrigin, SignedToAccountId32};
38use xcm_executor::{traits::ConvertLocation, XcmExecutor};
39use xcm_simulator::mock_message_queue;
40
41pub type AccountId = AccountId32;
42pub type Balance = u128;
43
44parameter_types! {
45	pub const BlockHashCount: u64 = 250;
46}
47
48#[derive_impl(frame_system::config_preludes::TestDefaultConfig)]
49impl frame_system::Config for Runtime {
50	type AccountId = AccountId;
51	type Lookup = IdentityLookup<Self::AccountId>;
52	type Block = Block;
53	type AccountData = pallet_balances::AccountData<Balance>;
54}
55
56#[derive_impl(pallet_balances::config_preludes::TestDefaultConfig)]
57impl pallet_balances::Config for Runtime {
58	type Balance = Balance;
59	type ExistentialDeposit = ConstU128<1>;
60	type AccountStore = System;
61}
62
63#[cfg(feature = "runtime-benchmarks")]
64pub struct UniquesHelper;
65#[cfg(feature = "runtime-benchmarks")]
66impl pallet_uniques::BenchmarkHelper<Location, AssetInstance> for UniquesHelper {
67	fn collection(i: u16) -> Location {
68		GeneralIndex(i as u128).into()
69	}
70	fn item(i: u16) -> AssetInstance {
71		AssetInstance::Index(i as u128)
72	}
73}
74
75impl pallet_uniques::Config for Runtime {
76	type RuntimeEvent = RuntimeEvent;
77	type CollectionId = Location;
78	type ItemId = AssetInstance;
79	type Currency = Balances;
80	type CreateOrigin = ForeignCreators;
81	type ForceOrigin = frame_system::EnsureRoot<AccountId>;
82	type CollectionDeposit = frame_support::traits::ConstU128<1_000>;
83	type ItemDeposit = frame_support::traits::ConstU128<1_000>;
84	type MetadataDepositBase = frame_support::traits::ConstU128<1_000>;
85	type AttributeDepositBase = frame_support::traits::ConstU128<1_000>;
86	type DepositPerByte = frame_support::traits::ConstU128<1>;
87	type StringLimit = ConstU32<64>;
88	type KeyLimit = ConstU32<64>;
89	type ValueLimit = ConstU32<128>;
90	type Locker = ();
91	type WeightInfo = ();
92	#[cfg(feature = "runtime-benchmarks")]
93	type Helper = UniquesHelper;
94}
95
96// `EnsureOriginWithArg` impl for `CreateOrigin` which allows only XCM origins
97// which are locations containing the class location.
98pub struct ForeignCreators;
99impl EnsureOriginWithArg<RuntimeOrigin, Location> for ForeignCreators {
100	type Success = AccountId;
101
102	fn try_origin(
103		o: RuntimeOrigin,
104		a: &Location,
105	) -> core::result::Result<Self::Success, RuntimeOrigin> {
106		let origin_location = pallet_xcm::EnsureXcm::<Everything>::try_origin(o.clone())?;
107		if !a.starts_with(&origin_location) {
108			return Err(o);
109		}
110		xcm_config::location_converter::LocationConverter::convert_location(&origin_location)
111			.ok_or(o)
112	}
113
114	#[cfg(feature = "runtime-benchmarks")]
115	fn try_successful_origin(a: &Location) -> Result<RuntimeOrigin, ()> {
116		Ok(pallet_xcm::Origin::Xcm(a.clone()).into())
117	}
118}
119
120parameter_types! {
121	pub const ReservedXcmpWeight: Weight = Weight::from_parts(WEIGHT_REF_TIME_PER_SECOND.saturating_div(4), 0);
122	pub const ReservedDmpWeight: Weight = Weight::from_parts(WEIGHT_REF_TIME_PER_SECOND.saturating_div(4), 0);
123}
124
125impl mock_message_queue::Config for Runtime {
126	type RuntimeEvent = RuntimeEvent;
127	type XcmExecutor = XcmExecutor<XcmConfig>;
128}
129
130pub type LocalOriginToLocation =
131	SignedToAccountId32<RuntimeOrigin, AccountId, constants::RelayNetwork>;
132
133pub struct TrustedLockerCase<T>(PhantomData<T>);
134impl<T: Get<(Location, AssetFilter)>> ContainsPair<Location, Asset> for TrustedLockerCase<T> {
135	fn contains(origin: &Location, asset: &Asset) -> bool {
136		let (o, a) = T::get();
137		a.matches(asset) && &o == origin
138	}
139}
140
141parameter_types! {
142	pub RelayTokenForRelay: (Location, AssetFilter) = (Parent.into(), Wild(AllOf { id: AssetId(Parent.into()), fun: WildFungible }));
143}
144
145pub type TrustedLockers = TrustedLockerCase<RelayTokenForRelay>;
146
147impl pallet_xcm::Config for Runtime {
148	type RuntimeEvent = RuntimeEvent;
149	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
150	type XcmRouter = XcmRouter;
151	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
152	type XcmExecuteFilter = Everything;
153	type XcmExecutor = XcmExecutor<XcmConfig>;
154	type XcmTeleportFilter = Nothing;
155	type XcmReserveTransferFilter = Everything;
156	type Weigher = weigher::Weigher;
157	type UniversalLocation = constants::UniversalLocation;
158	type RuntimeOrigin = RuntimeOrigin;
159	type RuntimeCall = RuntimeCall;
160	const VERSION_DISCOVERY_QUEUE_SIZE: u32 = 100;
161	type AdvertisedXcmVersion = pallet_xcm::CurrentXcmVersion;
162	type Currency = Balances;
163	type CurrencyMatcher = ();
164	type TrustedLockers = TrustedLockers;
165	type SovereignAccountOf = location_converter::LocationConverter;
166	type MaxLockers = ConstU32<8>;
167	type MaxRemoteLockConsumers = ConstU32<0>;
168	type RemoteLockConsumerIdentifier = ();
169	type WeightInfo = pallet_xcm::TestWeightInfo;
170	type AdminOrigin = EnsureRoot<AccountId>;
171	type AuthorizedAliasConsideration = Disabled;
172}
173
174type Block = frame_system::mocking::MockBlock<Runtime>;
175
176construct_runtime!(
177	pub struct Runtime {
178		System: frame_system,
179		Balances: pallet_balances,
180		MsgQueue: mock_message_queue,
181		PolkadotXcm: pallet_xcm,
182		ForeignUniques: pallet_uniques,
183	}
184);
xcm_simulator_example/parachain/mod.rs

xcm_simulator_example/parachain/
mod.rs
