test runtimes: allow local origins to execute arbitrary XCMs (#3930)

We are exploring [allowing this for
Kusama](https://github.com/polkadot-fellows/runtimes/pull/261) as well,
disallowing on test chains seems unnecessarily limiting.

cumulus/parachains/runtimes/assets/asset-hub-rococo/src/xcm_config.rs

@@ -670,11 +670,9 @@ impl pallet_xcm::Config for Runtime {
 	// We want to disallow users sending (arbitrary) XCMs from this chain.
 	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;
 	type XcmRouter = XcmRouter;
-	// We support local origins dispatching XCM executions in principle...
+	// We support local origins dispatching XCM executions.
 	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	// ... but disallow generic XCM execution. As a result only teleports and reserve transfers are
-	// allowed.
-	type XcmExecuteFilter = Nothing;
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Everything;

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/xcm_config.rs

@@ -367,9 +367,9 @@ impl pallet_xcm::Config for Runtime {
 	type XcmRouter = XcmRouter;
 	// We want to disallow users sending (arbitrary) XCMs from this chain.
 	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;
-	// We support local origins dispatching XCM executions in principle...
+	// We support local origins dispatching XCM executions.
 	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	type XcmExecuteFilter = Nothing;
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Nothing; // This parachain is not meant as a reserve location.

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/xcm_config.rs

@@ -295,9 +295,9 @@ impl pallet_xcm::Config for Runtime {
 	type XcmRouter = XcmRouter;
 	// We want to disallow users sending (arbitrary) XCMs from this chain.
 	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;
-	// We support local origins dispatching XCM executions in principle...
+	// We support local origins dispatching XCM executions.
 	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	type XcmExecuteFilter = Nothing;
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Nothing; // This parachain is not meant as a reserve location.

cumulus/parachains/runtimes/collectives/collectives-westend/src/xcm_config.rs

@@ -325,10 +325,9 @@ impl pallet_xcm::Config for Runtime {
 	// We only allow the Fellows to send messages.
 	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, FellowsToPlurality>;
 	type XcmRouter = XcmRouter;
-	// We support local origins dispatching XCM executions in principle...
+	// We support local origins dispatching XCM executions.
 	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	// ... but disallow generic XCM execution. As a result only teleports are allowed.
-	type XcmExecuteFilter = Nothing;
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Nothing; // This parachain is not meant as a reserve location.

cumulus/parachains/runtimes/contracts/contracts-rococo/src/xcm_config.rs

@@ -223,11 +223,10 @@ impl pallet_xcm::Config for Runtime {
 	// We want to disallow users sending (arbitrary) XCMs from this chain.
 	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;
 	type XcmRouter = XcmRouter;
-	// We support local origins dispatching XCM executions in principle...
+	// We support local origins dispatching XCM executions.
 	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	// ... but disallow generic XCM execution. As a result only teleports and reserve transfers are
 	// allowed.
-	type XcmExecuteFilter = Nothing;
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Everything;

cumulus/parachains/runtimes/coretime/coretime-rococo/src/xcm_config.rs

@@ -288,10 +288,9 @@ impl pallet_xcm::Config for Runtime {
 	// We want to disallow users sending (arbitrary) XCM programs from this chain.
 	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;
 	type XcmRouter = XcmRouter;
-	// We support local origins dispatching XCM executions in principle...
+	// We support local origins dispatching XCM executions.
 	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	// ... but disallow generic XCM execution. As a result only teleports are allowed.
-	type XcmExecuteFilter = Nothing;
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Nothing; // This parachain is not meant as a reserve location.

cumulus/parachains/runtimes/coretime/coretime-westend/src/xcm_config.rs

@@ -295,10 +295,9 @@ impl pallet_xcm::Config for Runtime {
 	// We want to disallow users sending (arbitrary) XCM programs from this chain.
 	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;
 	type XcmRouter = XcmRouter;
-	// We support local origins dispatching XCM executions in principle...
+	// We support local origins dispatching XCM executions.
 	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	// ... but disallow generic XCM execution. As a result only teleports are allowed.
-	type XcmExecuteFilter = Nothing;
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Nothing; // This parachain is not meant as a reserve location.

cumulus/parachains/runtimes/people/people-rococo/src/xcm_config.rs

@@ -297,10 +297,9 @@ impl pallet_xcm::Config for Runtime {
 	// We want to disallow users sending (arbitrary) XCM programs from this chain.
 	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;
 	type XcmRouter = XcmRouter;
-	// We support local origins dispatching XCM executions in principle...
+	// We support local origins dispatching XCM executions.
 	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	// ... but disallow generic XCM execution. As a result only teleports are allowed.
-	type XcmExecuteFilter = Nothing;
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Nothing; // This parachain is not meant as a reserve location.

cumulus/parachains/runtimes/people/people-westend/src/xcm_config.rs

@@ -305,10 +305,9 @@ impl pallet_xcm::Config for Runtime {
 	// We want to disallow users sending (arbitrary) XCMs from this chain.
 	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;
 	type XcmRouter = XcmRouter;
-	// We support local origins dispatching XCM executions in principle...
+	// We support local origins dispatching XCM executions.
 	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	// ... but disallow generic XCM execution. As a result only teleports are allowed.
-	type XcmExecuteFilter = Nothing;
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Nothing; // This parachain is not meant as a reserve location.

cumulus/parachains/runtimes/testing/penpal/src/xcm_config.rs

@@ -378,9 +378,7 @@ impl pallet_xcm::Config for Runtime {
 	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
 	type XcmRouter = XcmRouter;
 	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	type XcmExecuteFilter = Nothing;
-	// ^ Disable dispatchable execute on the XCM pallet.
-	// Needs to be `Everything` for local testing.
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Everything;

polkadot/runtime/westend/src/xcm_config.rs

@@ -276,10 +276,9 @@ impl pallet_xcm::Config for Runtime {
 	// production.
 	type SendXcmOrigin = xcm_builder::EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
 	type XcmRouter = XcmRouter;
-	// Anyone can execute XCM messages locally...
+	// Anyone can execute XCM messages locally.
 	type ExecuteXcmOrigin = xcm_builder::EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
-	// ...but they must match our filter, which rejects everything.
-	type XcmExecuteFilter = Nothing;
+	type XcmExecuteFilter = Everything;
 	type XcmExecutor = XcmExecutor<XcmConfig>;
 	type XcmTeleportFilter = Everything;
 	type XcmReserveTransferFilter = Everything;

prdoc/pr_3930.prdoc

@@ -0,0 +1,30 @@
+title: "test runtimes: allow local origins to execute arbitrary XCMs"
+
+doc:
+  - audience: Runtime User
+    description: |
+      Allow arbitrary XCM execution for local origins on all test chains.
+
+crates:
+- name: asset-hub-rococo-runtime
+  bump: minor
+- name: bridge-hub-rococo-runtime
+  bump: minor
+- name: bridge-hub-westend-runtime
+  bump: minor
+- name: collectives-westend-runtime
+  bump: minor
+- name: contracts-rococo-runtime
+  bump: minor
+- name: coretime-rococo-runtime
+  bump: minor
+- name: coretime-westend-runtime
+  bump: minor
+- name: people-rococo-runtime
+  bump: minor
+- name: people-westend-runtime
+  bump: minor
+- name: penpal-runtime
+  bump: minor
+- name: westend-runtime
+  bump: minor