From 4cdf87dba557d5f5fd0cc078bd9dddf30fa0fdbc Mon Sep 17 00:00:00 2001
From: yrong <yrong1997@gmail.com>
Date: Mon, 17 May 2021 21:38:00 +0800
Subject: [PATCH] transact xcm test

---
 .gitignore                                |  1 +
 Cargo.lock                                |  1 +
 rococo-parachains/pallets/ping/Cargo.toml |  2 +-
 rococo-parachains/pallets/ping/src/lib.rs | 50 +++++++++++++++++++++++
 4 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 1269ff2824e..07e2dd7f6c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 .vscode
 .DS_Store
 /.cargo/config
+data
diff --git a/Cargo.lock b/Cargo.lock
index f352e9595d3..f2537ed1d67 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1447,6 +1447,7 @@ dependencies = [
  "cumulus-primitives-core",
  "frame-support",
  "frame-system",
+ "log",
  "parity-scale-codec",
  "serde",
  "sp-runtime",
diff --git a/rococo-parachains/pallets/ping/Cargo.toml b/rococo-parachains/pallets/ping/Cargo.toml
index 301e0debf09..056c0ee800c 100644
--- a/rococo-parachains/pallets/ping/Cargo.toml
+++ b/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" }
diff --git a/rococo-parachains/pallets/ping/src/lib.rs b/rococo-parachains/pallets/ping/src/lib.rs
index 56d7dc2ea5a..1933c258dfb 100644
--- a/rococo-parachains/pallets/ping/src/lib.rs
+++ b/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!"
+					);
+				}
+			}
 		}
 	}