From 619a47da3ce45190b122042edc3177dcc79ef5b4 Mon Sep 17 00:00:00 2001
From: ron <yrong1997@gmail.com>
Date: Tue, 15 Aug 2023 09:55:39 +0800
Subject: [PATCH] Update xcm config for template

---
 parachain-template/runtime/src/xcm_config.rs | 56 ++++++++------------
 1 file changed, 23 insertions(+), 33 deletions(-)

diff --git a/parachain-template/runtime/src/xcm_config.rs b/parachain-template/runtime/src/xcm_config.rs
index e08cf9fc6a84..1935c6bfa7fc 100644
--- a/parachain-template/runtime/src/xcm_config.rs
+++ b/parachain-template/runtime/src/xcm_config.rs
@@ -5,21 +5,28 @@ use super::{
 use frame_support::{
 	match_types, parameter_types,
 	traits::{ConstU32, Everything, Nothing},
-	weights::Weight, BoundedBTreeMap
+	weights::Weight,
 };
 use frame_system::EnsureRoot;
 use pallet_xcm::XcmPassthrough;
 use polkadot_parachain::primitives::Sibling;
 use polkadot_runtime_common::impls::ToAuthor;
 use xcm::latest::prelude::*;
-use xcm_builder::{AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowTopLevelPaidExecutionFrom, CurrencyAdapter, DenyReserveTransferToRelayChain, DenyThenTry, EnsureXcmOrigin, FixedWeightBounds, IsConcrete, NativeAsset, ParentIsPreset, RelayChainAsNative, SiblingParachainAsNative, SiblingParachainConvertsVia, SignedAccountId32AsNative, SignedToAccountId32, SovereignPaidRemoteExporter, SovereignSignedViaLocation, TakeWeightCredit, TrailingSetTopicAsId, UsingComponents, WithComputedOrigin, WithUniqueTopic};
+use xcm_builder::{
+	AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowTopLevelPaidExecutionFrom,
+	CurrencyAdapter, DenyReserveTransferToRelayChain, DenyThenTry, EnsureXcmOrigin,
+	FixedWeightBounds, IsConcrete, NativeAsset, ParentIsPreset, RelayChainAsNative,
+	SiblingParachainAsNative, SiblingParachainConvertsVia, SignedAccountId32AsNative,
+	SignedToAccountId32, SovereignPaidRemoteExporter, SovereignSignedViaLocation, TakeWeightCredit,
+	TrailingSetTopicAsId, UsingComponents, WithComputedOrigin, WithUniqueTopic,
+};
 use xcm_executor::XcmExecutor;
 
 parameter_types! {
 	pub const RelayLocation: MultiLocation = MultiLocation::parent();
-	pub const RelayNetwork: Option<NetworkId> = None;
+	pub const RelayNetwork: Option<NetworkId> = Some(NetworkId::Kusama);
 	pub RelayChainOrigin: RuntimeOrigin = cumulus_pallet_xcm::Origin::Relay.into();
-	pub UniversalLocation: InteriorMultiLocation = Parachain(ParachainInfo::parachain_id().into()).into();
+	pub UniversalLocation: InteriorMultiLocation = X2(GlobalConsensus(RelayNetwork::get().unwrap()), Parachain(ParachainInfo::parachain_id().into()));
 }
 
 /// Type for specifying how a `MultiLocation` can be converted into an `AccountId`. This is used
@@ -188,41 +195,24 @@ impl cumulus_pallet_xcm::Config for Runtime {
 /// All configuration related to bridging
 pub mod bridging {
 	use pallet_bridge_transfer_primitives::{
-		AssetFilter, BridgeConfig, BridgesConfig, BridgesConfigAdapter, BridgesConfigBuilder,
-		MaybePaidLocation, MultiLocationFilter, ReserveLocation,
+		BridgeConfig, BridgesConfig, BridgesConfigAdapter, BridgesConfigBuilder, MaybePaidLocation,
 	};
 
-	use frame_support::{parameter_types};
-	use frame_support::traits::ConstU32;
+	use crate::xcm_config::{
+		Junction::{GlobalConsensus, Parachain},
+		Junctions::X1,
+		MultiLocation, SovereignPaidRemoteExporter, UniversalLocation, XcmRouter,
+	};
+	use frame_support::parameter_types;
 	use xcm::v3::NetworkId;
-	use xcm_builder::SovereignPaidRemoteExporter;
-	use crate::xcm_config::{UniversalLocation, XcmRouter};
 
 	parameter_types! {
-		pub const PolkadotNetwork: NetworkId = NetworkId::Polkadot;
+		pub BridgeHubKusamaParaId: u32 = 1013;
+		pub BridgeHubKusama: MultiLocation = MultiLocation::new(1, X1(Parachain(BridgeHubKusamaParaId::get())));
+		// Network and location for the local Ethereum testnet.
 		pub EthereumNetwork: NetworkId = NetworkId::Ethereum { chain_id: 15 };
+		pub EthereumLocation: MultiLocation = MultiLocation::new(2, X1(GlobalConsensus(EthereumNetwork::get())));
 		pub Bridges: BridgesConfig = BridgesConfigBuilder::default()
-			.add_or_panic(
-				PolkadotNetwork::get(),
-				BridgeConfig::new(
-					MaybePaidLocation {
-						location: BridgeHubKusama::get(),
-						// No fees needed because we use `UnpaidRemoteExporter` and BridgeHubKusama allows unpaid execution for local system parachains
-						maybe_fee: None,
-					}
-				).add_target_location(
-					// add target location as AssetHubPolkadot
-					MaybePaidLocation {
-						location: AssetHubPolkadot::get(),
-						maybe_fee: AssetHubPolkadotMaxFee::get(),
-					},
-					Some(AssetFilter::ByMultiLocation(
-						MultiLocationFilter::default()
-							// allow transfer KSM
-							.add_equals(KsmLocation::get())
-					))
-				)
-			)
 			.add_or_panic(
 				EthereumNetwork::get(),
 				BridgeConfig::new(
@@ -241,5 +231,5 @@ pub mod bridging {
 	}
 
 	pub type BridgeXcmSender =
-	SovereignPaidRemoteExporter<Bridges, XcmRouter, UniversalLocation>;
+		SovereignPaidRemoteExporter<BridgesConfigAdapter<Bridges>, XcmRouter, UniversalLocation>;
 }