Companion for #7005

Cargo.toml

@@ -30,6 +30,10 @@ members = [
 	"primitives/utility",
 	"polkadot-parachain",
 	"parachains/common",
+	"parachains/common/kusama",
+	"parachains/common/polkadot",
+	"parachains/common/rococo",
+	"parachains/common/westend",
 	"parachains/pallets/parachain-info",
 	"parachains/pallets/ping",
 	"parachains/runtimes/testing/rococo-parachain",

parachains/common/kusama/Cargo.toml

@@ -0,0 +1,41 @@
+[package]
+name = "kusama-common"
+version = "0.1.0"
+authors = ["Parity Technologies <[email protected]>"]
+edition = "2021"
+description = "Logic which is common to the kusama relay chain"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+# Substrate
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+
+# Polkadot
+kusama-runtime-constants = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+
+# Cumulus
+parachain-info = { path = "../../pallets/parachain-info", default-features = false }
+
+
+[features]
+default = [ "std" ]
+runtime-benchmarks = [
+    "frame-support/runtime-benchmarks",
+]
+try-runtime = [
+    "parachain-info/try-runtime",
+]
+std = [
+    "sp-core/std",
+    "frame-support/std",
+    "frame-system/std",
+    "kusama-runtime-constants/std",
+    "xcm/std",
+    "parachain-info/std",
+    "sp-io/std",
+]

parachains/common/kusama/src/lib.rs

@@ -0,0 +1,24 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use core::marker::PhantomData;
+use frame_support::traits::Contains;
+use sp_core::Get;
+use xcm::latest::prelude::*;
+
+pub struct RelayOrOtherSystemParachains<Runtime: parachain_info::Config> {
+	_runtime: PhantomData<Runtime>,
+}
+impl<Runtime: parachain_info::Config> Contains<MultiLocation>
+	for RelayOrOtherSystemParachains<Runtime>
+{
+	fn contains(l: &MultiLocation) -> bool {
+		let self_para_id: u32 = parachain_info::Pallet::<Runtime>::get().into();
+		if let MultiLocation { parents: 0, interior: X1(Parachain(para_id)) } = l {
+			if *para_id == self_para_id {
+				return false
+			}
+		}
+		matches!(l, MultiLocation { parents: 1, interior: Here }) ||
+			kusama_runtime_constants::system_parachain::SystemParachains::contains(l)
+	}
+}

parachains/common/polkadot/Cargo.toml

@@ -0,0 +1,41 @@
+[package]
+name = "polkadot-common"
+version = "0.1.0"
+authors = ["Parity Technologies <[email protected]>"]
+edition = "2021"
+description = "Logic which is common to the polkadot relay chain"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+# Substrate
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+
+# Polkadot
+polkadot-runtime-constants = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+
+# Cumulus
+parachain-info = { path = "../../pallets/parachain-info", default-features = false }
+
+
+[features]
+default = [ "std" ]
+runtime-benchmarks = [
+    "frame-support/runtime-benchmarks",
+]
+try-runtime = [
+    "parachain-info/try-runtime",
+]
+std = [
+    "sp-core/std",
+    "frame-support/std",
+    "frame-system/std",
+    "polkadot-runtime-constants/std",
+    "xcm/std",
+    "parachain-info/std",
+    "sp-io/std",
+]

parachains/common/polkadot/src/lib.rs

@@ -0,0 +1,24 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use core::marker::PhantomData;
+use frame_support::traits::Contains;
+use sp_core::Get;
+use xcm::latest::prelude::*;
+
+pub struct RelayOrOtherSystemParachains<Runtime: parachain_info::Config> {
+	_runtime: PhantomData<Runtime>,
+}
+impl<Runtime: parachain_info::Config> Contains<MultiLocation>
+	for RelayOrOtherSystemParachains<Runtime>
+{
+	fn contains(l: &MultiLocation) -> bool {
+		let self_para_id: u32 = parachain_info::Pallet::<Runtime>::get().into();
+		if let MultiLocation { parents: 0, interior: X1(Parachain(para_id)) } = l {
+			if *para_id == self_para_id {
+				return false
+			}
+		}
+		matches!(l, MultiLocation { parents: 1, interior: Here }) ||
+			polkadot_runtime_constants::system_parachain::SystemParachains::contains(l)
+	}
+}

parachains/common/rococo/Cargo.toml

@@ -0,0 +1,41 @@
+[package]
+name = "rococo-common"
+version = "0.1.0"
+authors = ["Parity Technologies <[email protected]>"]
+edition = "2021"
+description = "Logic which is common to the rococo relay chain"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+# Substrate
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+
+# Polkadot
+rococo-runtime-constants = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+
+# Cumulus
+parachain-info = { path = "../../pallets/parachain-info", default-features = false }
+
+
+[features]
+default = [ "std" ]
+runtime-benchmarks = [
+    "frame-support/runtime-benchmarks",
+]
+try-runtime = [
+    "parachain-info/try-runtime",
+]
+std = [
+    "sp-core/std",
+    "frame-support/std",
+    "frame-system/std",
+    "rococo-runtime-constants/std",
+    "xcm/std",
+    "parachain-info/std",
+    "sp-io/std",
+]

parachains/common/rococo/src/lib.rs

@@ -0,0 +1,24 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use core::marker::PhantomData;
+use frame_support::traits::Contains;
+use sp_core::Get;
+use xcm::latest::prelude::*;
+
+pub struct RelayOrOtherSystemParachains<Runtime: parachain_info::Config> {
+	_runtime: PhantomData<Runtime>,
+}
+impl<Runtime: parachain_info::Config> Contains<MultiLocation>
+	for RelayOrOtherSystemParachains<Runtime>
+{
+	fn contains(l: &MultiLocation) -> bool {
+		let self_para_id: u32 = parachain_info::Pallet::<Runtime>::get().into();
+		if let MultiLocation { parents: 0, interior: X1(Parachain(para_id)) } = l {
+			if *para_id == self_para_id {
+				return false
+			}
+		}
+		matches!(l, MultiLocation { parents: 1, interior: Here }) ||
+			rococo_runtime_constants::system_parachain::SystemParachains::contains(l)
+	}
+}

parachains/common/src/lib.rs

@@ -68,7 +68,10 @@ mod types {
 /// Common constants of parachains.
 mod constants {
 	use super::types::BlockNumber;
-	use frame_support::weights::{constants::WEIGHT_REF_TIME_PER_SECOND, Weight};
+	use frame_support::{
+		weights::{constants::WEIGHT_REF_TIME_PER_SECOND, Weight},
+		PalletId,
+	};
 	use sp_runtime::Perbill;
 	/// This determines the average expected block time that we are targeting. Blocks will be
 	/// produced at a minimum duration defined by `SLOT_DURATION`. `SLOT_DURATION` is picked up by
@@ -96,6 +99,9 @@ mod constants {
 		WEIGHT_REF_TIME_PER_SECOND.saturating_div(2),
 		polkadot_primitives::MAX_POV_SIZE as u64,
 	);
+
+	/// Treasury pallet id of the local chain, used to convert into AccountId
+	pub const TREASURY_PALLET_ID: PalletId = PalletId(*b"py/trsry");
 }
 
 /// Opaque types. These are used by the CLI to instantiate machinery that don't need to know