xcm-simulator tests (#363)

evm-template/Cargo.toml

@@ -94,6 +94,7 @@ sp-session = { git = "https://github.com/paritytech/polkadot-sdk", default-featu
 sp-state-machine = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
 sp-std = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
 sp-timestamp = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
+sp-tracing = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
 sp-transaction-pool = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
 sp-version = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
 substrate-build-script-utils = { git = "https://github.com/paritytech/polkadot-sdk", tag = "polkadot-stable2407-1" }
@@ -109,9 +110,11 @@ polkadot-cli = { git = "https://github.com/paritytech/polkadot-sdk", features =
 polkadot-parachain-primitives = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
 polkadot-primitives = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
 polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
+polkadot-runtime-parachains = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
 xcm = { package = "staging-xcm", git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
 xcm-builder = { package = "staging-xcm-builder", git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
 xcm-executor = { package = "staging-xcm-executor", git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }
+xcm-simulator = { git = "https://github.com/paritytech/polkadot-sdk", tag = "polkadot-stable2407-1" }
 
 # Cumulus
 assets-common = { git = "https://github.com/paritytech/polkadot-sdk", default-features = false, tag = "polkadot-stable2407-1" }

evm-template/runtime/Cargo.toml

@@ -112,7 +112,10 @@ xcm-primitives = { workspace = true }
 
 
 [dev-dependencies]
+polkadot-runtime-parachains = { workspace = true }
 sp-io = { workspace = true }
+sp-tracing = { workspace = true }
+xcm-simulator = { workspace = true }
 
 [build-dependencies]
 substrate-wasm-builder = { workspace = true }

evm-template/runtime/tests/xcm_mock/mod.rs

@@ -0,0 +1,125 @@
+pub mod parachain;
+pub mod relay_chain;
+
+use sp_runtime::BuildStorage;
+use sp_tracing;
+use xcm::prelude::*;
+use xcm_executor::traits::ConvertLocation;
+use xcm_simulator::{decl_test_network, decl_test_parachain, decl_test_relay_chain, TestExt};
+
+pub const PARA_ALICE: [u8; 20] = [1u8; 20];
+pub const ALICE: sp_runtime::AccountId32 = sp_runtime::AccountId32::new([1u8; 32]);
+pub const INITIAL_BALANCE: u128 = 1_000_000_000;
+
+decl_test_parachain! {
+    pub struct ParaA {
+        Runtime = parachain::Runtime,
+        XcmpMessageHandler = parachain::MsgQueue,
+        DmpMessageHandler = parachain::MsgQueue,
+        new_ext = para_ext(1),
+    }
+}
+
+decl_test_parachain! {
+    pub struct ParaB {
+        Runtime = parachain::Runtime,
+        XcmpMessageHandler = parachain::MsgQueue,
+        DmpMessageHandler = parachain::MsgQueue,
+        new_ext = para_ext(2),
+    }
+}
+
+decl_test_relay_chain! {
+    pub struct Relay {
+        Runtime = relay_chain::Runtime,
+        RuntimeCall = relay_chain::RuntimeCall,
+        RuntimeEvent = relay_chain::RuntimeEvent,
+        XcmConfig = relay_chain::XcmConfig,
+        MessageQueue = relay_chain::MessageQueue,
+        System = relay_chain::System,
+        new_ext = relay_ext(),
+    }
+}
+
+decl_test_network! {
+    pub struct MockNet {
+        relay_chain = Relay,
+        parachains = vec![
+            (1, ParaA),
+            (2, ParaB),
+        ],
+    }
+}
+
+pub fn parent_account_id() -> parachain::AccountId {
+    let location = (Parent,);
+    parachain::location_converter::LocationConverter::convert_location(&location.into()).unwrap()
+}
+
+pub fn child_account_id(para: u32) -> relay_chain::AccountId {
+    let location = (Parachain(para),);
+    relay_chain::location_converter::LocationConverter::convert_location(&location.into()).unwrap()
+}
+
+pub fn child_account_account_id(para: u32, who: sp_runtime::AccountId32) -> relay_chain::AccountId {
+    let location = (Parachain(para), AccountId32 { network: None, id: who.into() });
+    relay_chain::location_converter::LocationConverter::convert_location(&location.into()).unwrap()
+}
+
+pub fn sibling_account_account_id(para: u32, who: sp_runtime::AccountId32) -> parachain::AccountId {
+    let location = (Parent, Parachain(para), AccountId32 { network: None, id: who.into() });
+    parachain::location_converter::LocationConverter::convert_location(&location.into()).unwrap()
+}
+
+pub fn parent_account_account_id(who: sp_runtime::AccountId32) -> parachain::AccountId {
+    let location = (Parent, AccountId32 { network: None, id: who.into() });
+    parachain::location_converter::LocationConverter::convert_location(&location.into()).unwrap()
+}
+
+pub fn para_ext(para_id: u32) -> sp_io::TestExternalities {
+    use parachain::{MsgQueue, Runtime, System};
+
+    let mut t = frame_system::GenesisConfig::<Runtime>::default().build_storage().unwrap();
+
+    pallet_balances::GenesisConfig::<Runtime> {
+        balances: vec![
+            (PARA_ALICE.into(), INITIAL_BALANCE),
+            (parent_account_id(), INITIAL_BALANCE),
+        ],
+    }
+    .assimilate_storage(&mut t)
+    .unwrap();
+
+    let mut ext = sp_io::TestExternalities::new(t);
+    ext.execute_with(|| {
+        sp_tracing::try_init_simple();
+        System::set_block_number(1);
+        MsgQueue::set_para_id(para_id.into());
+    });
+    ext
+}
+
+pub fn relay_ext() -> sp_io::TestExternalities {
+    use relay_chain::{Runtime, System};
+
+    let mut t = frame_system::GenesisConfig::<Runtime>::default().build_storage().unwrap();
+
+    pallet_balances::GenesisConfig::<Runtime> {
+        balances: vec![
+            (ALICE, INITIAL_BALANCE),
+            (child_account_id(1), INITIAL_BALANCE),
+            (child_account_id(2), INITIAL_BALANCE),
+        ],
+    }
+    .assimilate_storage(&mut t)
+    .unwrap();
+
+    let mut ext = sp_io::TestExternalities::new(t);
+    ext.execute_with(|| {
+        System::set_block_number(1);
+    });
+    ext
+}
+
+pub type RelayChainPalletXcm = pallet_xcm::Pallet<relay_chain::Runtime>;
+pub type ParachainPalletXcm = pallet_xcm::Pallet<parachain::Runtime>;

evm-template/runtime/tests/xcm_mock/parachain/mod.rs

@@ -0,0 +1,104 @@
+mod xcm_config;
+use core::marker::PhantomData;
+
+use evm_runtime_template::configs::xcm_config::SignedToAccountId20;
+use frame_support::{
+    construct_runtime, derive_impl, parameter_types,
+    traits::{ConstU128, ContainsPair, Everything, Nothing},
+    weights::{constants::WEIGHT_REF_TIME_PER_SECOND, Weight},
+};
+use frame_system::EnsureRoot;
+use sp_core::ConstU32;
+use sp_runtime::traits::{Get, IdentityLookup};
+use xcm::latest::prelude::*;
+use xcm_builder::EnsureXcmOrigin;
+pub use xcm_config::*;
+use xcm_executor::XcmExecutor;
+use xcm_simulator::mock_message_queue;
+
+pub type AccountId = fp_account::AccountId20;
+pub type Balance = u128;
+
+parameter_types! {
+    pub const BlockHashCount: u64 = 250;
+}
+
+#[derive_impl(frame_system::config_preludes::TestDefaultConfig)]
+impl frame_system::Config for Runtime {
+    type AccountData = pallet_balances::AccountData<Balance>;
+    type AccountId = AccountId;
+    type Block = Block;
+    type Lookup = IdentityLookup<Self::AccountId>;
+}
+
+#[derive_impl(pallet_balances::config_preludes::TestDefaultConfig)]
+impl pallet_balances::Config for Runtime {
+    type AccountStore = System;
+    type Balance = Balance;
+    type ExistentialDeposit = ConstU128<1>;
+}
+
+parameter_types! {
+    pub const ReservedXcmpWeight: Weight = Weight::from_parts(WEIGHT_REF_TIME_PER_SECOND.saturating_div(4), 0);
+    pub const ReservedDmpWeight: Weight = Weight::from_parts(WEIGHT_REF_TIME_PER_SECOND.saturating_div(4), 0);
+}
+
+impl mock_message_queue::Config for Runtime {
+    type RuntimeEvent = RuntimeEvent;
+    type XcmExecutor = XcmExecutor<XcmConfig>;
+}
+
+pub type LocalOriginToLocation =
+    SignedToAccountId20<RuntimeOrigin, AccountId, constants::RelayNetwork>;
+
+pub struct TrustedLockerCase<T>(PhantomData<T>);
+impl<T: Get<(Location, AssetFilter)>> ContainsPair<Location, Asset> for TrustedLockerCase<T> {
+    fn contains(origin: &Location, asset: &Asset) -> bool {
+        let (o, a) = T::get();
+        a.matches(asset) && &o == origin
+    }
+}
+
+parameter_types! {
+    pub RelayTokenForRelay: (Location, AssetFilter) = (Parent.into(), Wild(AllOf { id: AssetId(Parent.into()), fun: WildFungible }));
+}
+
+pub type TrustedLockers = TrustedLockerCase<RelayTokenForRelay>;
+
+impl pallet_xcm::Config for Runtime {
+    type AdminOrigin = EnsureRoot<AccountId>;
+    type AdvertisedXcmVersion = pallet_xcm::CurrentXcmVersion;
+    type Currency = Balances;
+    type CurrencyMatcher = ();
+    type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
+    type MaxLockers = ConstU32<8>;
+    type MaxRemoteLockConsumers = ConstU32<0>;
+    type RemoteLockConsumerIdentifier = ();
+    type RuntimeCall = RuntimeCall;
+    type RuntimeEvent = RuntimeEvent;
+    type RuntimeOrigin = RuntimeOrigin;
+    type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
+    type SovereignAccountOf = location_converter::LocationConverter;
+    type TrustedLockers = TrustedLockers;
+    type UniversalLocation = constants::UniversalLocation;
+    type Weigher = weigher::Weigher;
+    type WeightInfo = pallet_xcm::TestWeightInfo;
+    type XcmExecuteFilter = Everything;
+    type XcmExecutor = XcmExecutor<XcmConfig>;
+    type XcmReserveTransferFilter = Everything;
+    type XcmRouter = XcmRouter;
+    type XcmTeleportFilter = Nothing;
+
+    const VERSION_DISCOVERY_QUEUE_SIZE: u32 = 100;
+}
+
+type Block = frame_system::mocking::MockBlock<Runtime>;
+
+construct_runtime!(
+    pub struct Runtime {
+        System: frame_system,
+        Balances: pallet_balances,
+        MsgQueue: mock_message_queue,
+        PolkadotXcm: pallet_xcm,
+    }
+);

evm-template/runtime/tests/xcm_mock/parachain/xcm_config/asset_transactor.rs

@@ -0,0 +1,8 @@
+use xcm_builder::{FungibleAdapter, IsConcrete};
+
+use crate::parachain::{
+    constants::KsmLocation, location_converter::LocationConverter, AccountId, Balances,
+};
+
+pub type AssetTransactor =
+    FungibleAdapter<Balances, IsConcrete<KsmLocation>, LocationConverter, AccountId, ()>;

evm-template/runtime/tests/xcm_mock/parachain/xcm_config/barrier.rs

@@ -0,0 +1,4 @@
+use frame_support::traits::Everything;
+use xcm_builder::AllowUnpaidExecutionFrom;
+
+pub type Barrier = AllowUnpaidExecutionFrom<Everything>;

evm-template/runtime/tests/xcm_mock/parachain/xcm_config/constants.rs

@@ -0,0 +1,16 @@
+use frame_support::parameter_types;
+use xcm::latest::prelude::*;
+use xcm_simulator::mock_message_queue::ParachainId;
+
+use crate::xcm_mock::parachain::Runtime;
+
+parameter_types! {
+    pub KsmPerSecondPerByte: (AssetId, u128, u128) = (AssetId(Parent.into()), 1, 1);
+    pub const MaxAssetsIntoHolding: u32 = 64;
+}
+
+parameter_types! {
+    pub const KsmLocation: Location = Location::parent();
+    pub const RelayNetwork: NetworkId = NetworkId::Kusama;
+    pub UniversalLocation: InteriorLocation = [GlobalConsensus(RelayNetwork::get()), Parachain(ParachainId::<Runtime>::get().into())].into();
+}

evm-template/runtime/tests/xcm_mock/parachain/xcm_config/location_converter.rs

@@ -0,0 +1,10 @@
+use xcm_builder::{AccountKey20Aliases, DescribeAllTerminal, DescribeFamily, HashedDescription};
+
+use crate::xcm_mock::parachain::{constants::RelayNetwork, AccountId};
+
+type LocationToAccountId = (
+    HashedDescription<AccountId, DescribeFamily<DescribeAllTerminal>>,
+    AccountKey20Aliases<RelayNetwork, AccountId>,
+);
+
+pub type LocationConverter = LocationToAccountId;