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Move XCM configurations out into its own module (#981)

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* Move XCM configurations out into its own module

* Revert removal of the AccountNonceApi
This commit is contained in:
Keith Yeung
2022-02-11 15:59:48 -08:00
committed by GitHub
parent 4515e3ec7e
commit d166c78b17
11 changed files with 876 additions and 776 deletions
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cumulus/polkadot-parachains/statemint/src/lib.rs
+9 -192
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@@ -24,6 +24,7 @@ include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
pub mod constants;
mod weights;
pub mod xcm_config;
use sp_api::impl_runtime_apis;
use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
@@ -42,11 +43,11 @@ use sp_version::RuntimeVersion;
use codec::{Decode, Encode, MaxEncodedLen};
use constants::{currency::*, fee::WeightToFee};
use frame_support::{
construct_runtime, match_type, parameter_types,
traits::{Contains, EnsureOneOf, Everything, InstanceFilter, Nothing, PalletInfoAccess},
construct_runtime, parameter_types,
traits::{Contains, EnsureOneOf, InstanceFilter},
weights::{
constants::{BlockExecutionWeight, ExtrinsicBaseWeight},
DispatchClass, IdentityFee, Weight,
DispatchClass, Weight,
},
PalletId, RuntimeDebug,
};
@@ -56,30 +57,21 @@ use frame_system::{
};
pub use parachains_common as common;
use parachains_common::{
impls::{AssetsToBlockAuthor, DealWithFees, NonZeroIssuance},
impls::{AssetsToBlockAuthor, DealWithFees},
opaque, AccountId, AssetId, Balance, BlockNumber, Hash, Header, Index, Signature,
StatemintAuraId as AuraId, AVERAGE_ON_INITIALIZE_RATIO, HOURS, MAXIMUM_BLOCK_WEIGHT,
NORMAL_DISPATCH_RATIO, SLOT_DURATION,
};
use xcm_config::{DotLocation, XcmConfig, XcmOriginToTransactDispatchOrigin};
#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;
// Polkadot imports
use pallet_xcm::{EnsureXcm, IsMajorityOfBody, XcmPassthrough};
use polkadot_parachain::primitives::Sibling;
use pallet_xcm::{EnsureXcm, IsMajorityOfBody};
use polkadot_runtime_common::{BlockHashCount, RocksDbWeight, SlowAdjustingFeeUpdate};
use xcm::latest::prelude::*;
use xcm_builder::{
AccountId32Aliases, AllowKnownQueryResponses, AllowSubscriptionsFrom,
AllowTopLevelPaidExecutionFrom, AllowUnpaidExecutionFrom, AsPrefixedGeneralIndex,
ConvertedConcreteAssetId, CurrencyAdapter, EnsureXcmOrigin, FixedWeightBounds,
FungiblesAdapter, IsConcrete, LocationInverter, NativeAsset, ParentAsSuperuser, ParentIsPreset,
RelayChainAsNative, SiblingParachainAsNative, SiblingParachainConvertsVia,
SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit,
UsingComponents,
};
use xcm_executor::{traits::JustTry, Config, XcmExecutor};
use xcm::latest::BodyId;
use xcm_executor::XcmExecutor;
impl_opaque_keys! {
pub struct SessionKeys {
@@ -441,181 +433,6 @@ impl parachain_info::Config for Runtime {}
impl cumulus_pallet_aura_ext::Config for Runtime {}
parameter_types! {
pub const DotLocation: MultiLocation = MultiLocation::parent();
pub const RelayNetwork: NetworkId = NetworkId::Polkadot;
pub RelayChainOrigin: Origin = cumulus_pallet_xcm::Origin::Relay.into();
pub Ancestry: MultiLocation = Parachain(ParachainInfo::parachain_id().into()).into();
pub const Local: MultiLocation = Here.into();
pub AssetsPalletLocation: MultiLocation =
PalletInstance(<Assets as PalletInfoAccess>::index() as u8).into();
pub CheckingAccount: AccountId = PolkadotXcm::check_account();
}
/// 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 parent `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>,
);
/// Means for transacting the native currency on this chain.
pub type CurrencyTransactor = CurrencyAdapter<
// Use this currency:
Balances,
// Use this currency when it is a fungible asset matching the given location or name:
IsConcrete<DotLocation>,
// 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 don't track any teleports of `Balances`.
(),
>;
/// Means for transacting assets besides the native currency on this chain.
pub type FungiblesTransactor = FungiblesAdapter<
// Use this fungibles implementation:
Assets,
// Use this currency when it is a fungible asset matching the given location or name:
ConvertedConcreteAssetId<
AssetId,
Balance,
AsPrefixedGeneralIndex<AssetsPalletLocation, AssetId, 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, Assets>,
// The account to use for tracking teleports.
CheckingAccount,
>;
/// Means for transacting assets on this chain.
pub type AssetTransactors = (CurrencyTransactor, 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 convert to a `Relay` origin when
// recognised.
RelayChainAsNative<RelayChainOrigin, 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_000 weight - almost certainly a conservative estimate.
pub UnitWeightCost: Weight = 1_000_000_000;
pub const MaxInstructions: u32 = 100;
}
match_type! {
pub type ParentOrParentsExecutivePlurality: impl Contains<MultiLocation> = {
MultiLocation { parents: 1, interior: Here } |
MultiLocation { parents: 1, interior: X1(Plurality { id: BodyId::Executive, .. }) }
};
}
match_type! {
pub type ParentOrSiblings: impl Contains<MultiLocation> = {
MultiLocation { parents: 1, interior: Here } |
MultiLocation { parents: 1, interior: X1(_) }
};
}
pub type Barrier = (
TakeWeightCredit,
AllowTopLevelPaidExecutionFrom<Everything>,
// Parent and its exec plurality get free execution
AllowUnpaidExecutionFrom<ParentOrParentsExecutivePlurality>,
// Expected responses are OK.
AllowKnownQueryResponses<PolkadotXcm>,
// Subscriptions for version tracking are OK.
AllowSubscriptionsFrom<ParentOrSiblings>,
);
pub struct XcmConfig;
impl Config for XcmConfig {
type Call = Call;
type XcmSender = XcmRouter;
type AssetTransactor = AssetTransactors;
type OriginConverter = XcmOriginToTransactDispatchOrigin;
type IsReserve = NativeAsset;
type IsTeleporter = NativeAsset; // <- should be enough to allow teleportation of DOT
type LocationInverter = LocationInverter<Ancestry>;
type Barrier = Barrier;
type Weigher = FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;
type Trader = UsingComponents<IdentityFee<Balance>, DotLocation, AccountId, Balances, ()>;
type ResponseHandler = PolkadotXcm;
type AssetTrap = PolkadotXcm;
type AssetClaims = PolkadotXcm;
type SubscriptionService = PolkadotXcm;
}
parameter_types! {
pub const MaxDownwardMessageWeight: Weight = MAXIMUM_BLOCK_WEIGHT / 10;
}
/// Converts a local signed origin into an XCM multilocation.
/// Forms the basis for local origins sending/executing XCMs.
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, PolkadotXcm>,
// ..and XCMP to communicate with the sibling chains.
XcmpQueue,
);
impl pallet_xcm::Config for Runtime {
type Event = Event;
// We want to disallow users sending (arbitrary) XCMs from this chain.
type SendXcmOrigin = EnsureXcmOrigin<Origin, ()>;
type XcmRouter = XcmRouter;
// We support local origins dispatching XCM executions in principle...
type ExecuteXcmOrigin = EnsureXcmOrigin<Origin, LocalOriginToLocation>;
// ... but disallow generic XCM execution. As a result only teleports and reserve transfers are allowed.
type XcmExecuteFilter = Nothing;
type XcmExecutor = XcmExecutor<XcmConfig>;
type XcmTeleportFilter = Nothing;
type XcmReserveTransferFilter = Nothing;
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 Event = Event;
type XcmExecutor = XcmExecutor<XcmConfig>;