Use new MultiLocation syntax everywhere (#570)

* Use new MultiLocation syntax everywhere

* Make tests compile

polkadot-parachains/pallets/ping/src/lib.rs

@@ -23,7 +23,7 @@ use sp_runtime::traits::Saturating;
 use frame_system::Config as SystemConfig;
 use cumulus_primitives_core::ParaId;
 use cumulus_pallet_xcm::{Origin as CumulusOrigin, ensure_sibling_para};
-use xcm::latest::{Xcm, Error as XcmError, SendXcm, OriginKind, MultiLocation, Junction};
+use xcm::latest::{Xcm, Error as XcmError, SendXcm, OriginKind, Junction};
 
 pub use pallet::*;
 
@@ -101,7 +101,7 @@ pub mod pallet {
 			for (para, payload) in Targets::<T>::get().into_iter() {
 				let seq = PingCount::<T>::mutate(|seq| { *seq += 1; *seq });
 				match T::XcmSender::send_xcm(
-					MultiLocation::X2(Junction::Parent, Junction::Parachain(para.into())),
+					(1, Junction::Parachain(para.into())).into(),
 					Xcm::Transact {
 						origin_type: OriginKind::Native,
 						require_weight_at_most: 1_000,
@@ -163,7 +163,7 @@ pub mod pallet {
 
 			Self::deposit_event(Event::Pinged(para, seq, payload.clone()));
 			match T::XcmSender::send_xcm(
-				MultiLocation::X2(Junction::Parent, Junction::Parachain(para.into())),
+				(1, Junction::Parachain(para.into())).into(),
 				Xcm::Transact {
 					origin_type: OriginKind::Native,
 					require_weight_at_most: 1_000,

polkadot-parachains/rococo/src/lib.rs

@@ -257,10 +257,10 @@ impl parachain_info::Config for Runtime {}
 impl cumulus_pallet_aura_ext::Config for Runtime {}
 
 parameter_types! {
-	pub const RocLocation: MultiLocation = X1(Parent);
+	pub const RocLocation: MultiLocation = MultiLocation::parent();
 	pub const RococoNetwork: NetworkId = NetworkId::Polkadot;
 	pub RelayChainOrigin: Origin = cumulus_pallet_xcm::Origin::Relay.into();
-	pub Ancestry: MultiLocation = X1(Parachain(ParachainInfo::parachain_id().into()));
+	pub Ancestry: MultiLocation = Parachain(ParachainInfo::parachain_id().into()).into();
 }
 
 /// Type for specifying how a `MultiLocation` can be converted into an `AccountId`. This is used
@@ -317,12 +317,13 @@ parameter_types! {
 	// One XCM operation is 1_000_000 weight - almost certainly a conservative estimate.
 	pub UnitWeightCost: Weight = 1_000_000;
 	// One ROC buys 1 second of weight.
-	pub const WeightPrice: (MultiLocation, u128) = (X1(Parent), ROC);
+	pub const WeightPrice: (MultiLocation, u128) = (MultiLocation::parent(), ROC);
 }
 
 match_type! {
 	pub type ParentOrParentsUnitPlurality: impl Contains<MultiLocation> = {
-		X1(Parent) | X2(Parent, Plurality { id: BodyId::Unit, .. })
+		MultiLocation { parents: 1, interior: Here } |
+		MultiLocation { parents: 1, interior: X1(Plurality { id: BodyId::Unit, .. }) }
 	};
 }
 

polkadot-parachains/shell/src/lib.rs

@@ -172,7 +172,7 @@ impl cumulus_pallet_parachain_system::Config for Runtime {
 impl parachain_info::Config for Runtime {}
 
 parameter_types! {
-	pub const RococoLocation: MultiLocation = X1(Parent);
+	pub const RococoLocation: MultiLocation = MultiLocation::parent();
 	pub const RococoNetwork: NetworkId = NetworkId::Polkadot;
 	pub Ancestry: MultiLocation = Parachain(ParachainInfo::parachain_id().into()).into();
 }
@@ -191,7 +191,7 @@ pub type XcmOriginToTransactDispatchOrigin = (
 );
 
 match_type! {
-	pub type JustTheParent: impl Contains<MultiLocation> = { X1(Parent) };
+	pub type JustTheParent: impl Contains<MultiLocation> = { MultiLocation { parents:1, interior: Here } };
 }
 
 parameter_types! {

polkadot-parachains/statemine/src/lib.rs

@@ -464,7 +464,7 @@ impl parachain_info::Config for Runtime {}
 impl cumulus_pallet_aura_ext::Config for Runtime {}
 
 parameter_types! {
-	pub const KsmLocation: MultiLocation = X1(Parent);
+	pub const KsmLocation: MultiLocation = MultiLocation::parent();
 	pub const RelayNetwork: NetworkId = NetworkId::Kusama;
 	pub RelayChainOrigin: Origin = cumulus_pallet_xcm::Origin::Relay.into();
 	pub Ancestry: MultiLocation = Parachain(ParachainInfo::parachain_id().into()).into();
@@ -527,8 +527,8 @@ parameter_types! {
 
 match_type! {
 	pub type ParentOrParentsExecutivePlurality: impl Contains<MultiLocation> = {
-		X1(Parent) |
-		X2(Parent, Plurality { id: BodyId::Executive, .. })
+		MultiLocation { parents: 1, interior: Here } |
+		MultiLocation { parents: 1, interior: X1(Plurality { id: BodyId::Executive, .. }) }
 	};
 }
 

polkadot-parachains/statemint/src/lib.rs

@@ -432,7 +432,7 @@ impl parachain_info::Config for Runtime {}
 impl cumulus_pallet_aura_ext::Config for Runtime {}
 
 parameter_types! {
-	pub const DotLocation: MultiLocation = X1(Parent);
+	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();
@@ -495,8 +495,8 @@ parameter_types! {
 
 match_type! {
 	pub type ParentOrParentsExecutivePlurality: impl Contains<MultiLocation> = {
-		X1(Parent) |
-		X2(Parent, Plurality { id: BodyId::Executive, .. })
+		MultiLocation { parents: 1, interior: Here } |
+		MultiLocation { parents: 1, interior: X1(Plurality { id: BodyId::Executive, .. }) }
 	};
 }
 

polkadot-parachains/westmint/src/lib.rs

@@ -431,7 +431,7 @@ impl parachain_info::Config for Runtime {}
 impl cumulus_pallet_aura_ext::Config for Runtime {}
 
 parameter_types! {
-	pub const WestendLocation: MultiLocation = X1(Parent);
+	pub const WestendLocation: MultiLocation = MultiLocation::parent();
 	pub RelayNetwork: NetworkId = NetworkId::Named(b"Westend".to_vec());
 	pub RelayChainOrigin: Origin = cumulus_pallet_xcm::Origin::Relay.into();
 	pub Ancestry: MultiLocation = Parachain(ParachainInfo::parachain_id().into()).into();
@@ -493,8 +493,8 @@ parameter_types! {
 
 match_type! {
 	pub type ParentOrParentsPlurality: impl Contains<MultiLocation> = {
-		X1(Parent) |
-		X2(Parent, Plurality { .. })
+		MultiLocation { parents: 1, interior: Here } |
+		MultiLocation { parents: 1, interior: X1(Plurality { .. }) }
 	};
 }