transact xcm test

.gitignore

@@ -3,3 +3,4 @@
 .vscode
 .DS_Store
 /.cargo/config
+data

rococo-parachains/pallets/ping/Cargo.toml

@@ -7,7 +7,7 @@ version = "0.1.0"
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.0.0", default-features = false, features = ["derive"] }
 serde = { version = "1.0.101", optional = true, features = ["derive"] }
-
+log = "0.4.14"
 sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "rococo-v1" }
 sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "rococo-v1" }
 frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "rococo-v1" }

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

@@ -24,9 +24,22 @@ use frame_system::Config as SystemConfig;
 use cumulus_primitives_core::ParaId;
 use cumulus_pallet_xcm::{Origin as CumulusOrigin, ensure_sibling_para};
 use xcm::v0::{Xcm, Error as XcmError, SendXcm, OriginKind, MultiLocation, Junction};
+use codec::{Decode, Encode};
 
 pub use pallet::*;
 
+#[derive(Encode, Decode)]
+pub enum RelayTemplatePalletCall {
+	#[codec(index = 100)] // the index should match the position of the module in `construct_runtime!`
+	DoSomething(DoSomethingCall),
+}
+
+#[derive(Encode, Decode)]
+pub enum DoSomethingCall {
+	#[codec(index = 0)] // the index should match the position of the dispatchable in the target pallet
+	Something(u32),
+}
+
 #[frame_support::pallet]
 pub mod pallet {
 	use frame_support::pallet_prelude::*;
@@ -88,6 +101,8 @@ pub mod pallet {
 		ErrorSendingPing(XcmError, ParaId, u32, Vec<u8>),
 		ErrorSendingPong(XcmError, ParaId, u32, Vec<u8>),
 		UnknownPong(ParaId, u32, Vec<u8>),
+		TestMsg(u32),
+		ErrorSendingTest(),
 	}
 
 	#[pallet::error]
@@ -117,6 +132,41 @@ pub mod pallet {
 					}
 				}
 			}
+			log::info!(
+				target: "ping",
+				"Begin construct relay transact"
+			);
+			let some_value:u32 = 10;
+			let call = RelayTemplatePalletCall::DoSomething(DoSomethingCall::Something(some_value)).encode();
+
+			let msg = Xcm::Transact {
+				origin_type: OriginKind::SovereignAccount,
+				require_weight_at_most: 1_000,
+				call:call.into(),
+			};
+
+			log::info!(
+				target: "ping",
+				"Relay transact {:?}",
+				msg,
+			);
+
+			match T::XcmSender::send_xcm(MultiLocation::X1(Junction::Parent), msg){
+				Ok(()) => {
+					Self::deposit_event(Event::TestMsg(some_value));
+					log::info!(
+						target: "ping",
+						"Relay transact sent success!"
+					);
+				},
+				Err(e) => {
+					Self::deposit_event(Event::ErrorSendingTest());
+					log::error!(
+						target: "ping",
+						"Relay transact sent failed!"
+					);
+				}
+			}
 		}
 	}