Revamp xcm for v2 (#366)

* Add salp-lite pallet

* Revamp xcm for v2

Author: yrong

pallets/salp-lite/src/lib.rs

@@ -373,15 +373,19 @@ pub mod pallet {
 		}
 
 		/// Unlock the reserved vsToken/vsBond after fund success
-		#[pallet::weight(T::WeightInfo::batch_unlock(T::BatchKeysLimit::get()))]
+		#[pallet::weight((
+		0,
+		DispatchClass::Normal,
+		Pays::No
+		))]
 		#[transactional]
 		pub fn batch_migrate(
 			origin: OriginFor<T>,
 			#[pallet::compact] index: ParaId,
 			first_slot: LeasePeriod,
 			last_slot: LeasePeriod,
 		) -> DispatchResult {
-			ensure_signed(origin)?;
+			T::EnsureConfirmAsMultiSig::ensure_origin(origin)?;
 
 			let fund = Self::funds(index).ok_or(Error::<T>::InvalidParaId)?;
 			ensure!(

runtime/asgard/src/lib.rs

@@ -844,20 +844,20 @@ pub type Trader = (
 
 pub struct XcmConfig;
 impl Config for XcmConfig {
-	type AssetClaims = (); // don't claim for now
+	type AssetClaims = PolkadotXcm;
 	type AssetTransactor = BifrostAssetTransactor;
-	type AssetTrap = (); // don't trap for now
+	type AssetTrap = PolkadotXcm;
 	type Barrier = Barrier;
 	type Call = Call;
 	type IsReserve = BifrostFilteredAssets;
 	type IsTeleporter = BifrostFilteredAssets;
 	type LocationInverter = LocationInverter<Ancestry>;
 	type OriginConverter = XcmOriginToTransactDispatchOrigin;
-	type ResponseHandler = ();
+	type ResponseHandler = PolkadotXcm;
 	type SubscriptionService = PolkadotXcm;
 	type Trader = Trader;
 	type Weigher = FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;
-	type XcmSender = XcmRouter; // Don't handle responses for now.
+	type XcmSender = XcmRouter;
 }
 
 /// No local origins on this chain are allowed to dispatch XCM sends/executions.

runtime/bifrost/src/constants.rs

@@ -31,7 +31,7 @@ pub mod currency {
 	pub const BNCS: Balance = 1_000_000_000_000;
 	pub const DOLLARS: Balance = BNCS;
 	pub const CENTS: Balance = DOLLARS / 100; // assume this is worth about a cent.
-	pub const RELAY_CENTS: Balance = DOLLARS / 30_000;
+	pub const RELAY_CENTS: Balance = DOLLARS / 10_000;
 	pub const MILLICENTS: Balance = CENTS / 1_000;
 	pub const MILLIBNC: Balance = 1_000_000_000;
 	pub const MICROBNC: Balance = 1_000_000;

runtime/bifrost/src/lib.rs

@@ -763,20 +763,20 @@ pub fn create_x2_parachain_multilocation(index: u16) -> MultiLocation {
 
 pub struct XcmConfig;
 impl Config for XcmConfig {
-	type AssetClaims = (); // don't claim for now
+	type AssetClaims = PolkadotXcm;
 	type AssetTransactor = BifrostAssetTransactor;
-	type AssetTrap = (); // don't trap for now
+	type AssetTrap = PolkadotXcm;
 	type Barrier = Barrier;
 	type Call = Call;
 	type IsReserve = BifrostFilteredAssets;
 	type IsTeleporter = BifrostFilteredAssets;
 	type LocationInverter = LocationInverter<Ancestry>;
 	type OriginConverter = XcmOriginToTransactDispatchOrigin;
-	type ResponseHandler = ();
+	type ResponseHandler = PolkadotXcm;
 	type SubscriptionService = PolkadotXcm;
 	type Trader = Trader;
 	type Weigher = FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;
-	type XcmSender = XcmRouter; // Don't handle responses for now.
+	type XcmSender = XcmRouter;
 }
 
 /// No local origins on this chain are allowed to dispatch XCM sends/executions.
@@ -1092,7 +1092,7 @@ parameter_types! {
 	pub const SlotLength: BlockNumber = 8u32 as BlockNumber;
 	pub const XcmTransferOrigin: TransferOriginType = TransferOriginType::FromRelayChain;
 	pub XcmWeight: XcmBaseWeight = XCM_WEIGHT.into();
-	pub ContributionWeight:XcmBaseWeight = 893125000.into();
+	pub ContributionWeight:XcmBaseWeight = XCM_WEIGHT.into();
 	pub AddProxyWeight:XcmBaseWeight = XCM_WEIGHT.into();
 	pub ConfirmMuitiSigAccount: AccountId = hex!["e4da05f08e89bf6c43260d96f26fffcfc7deae5b465da08669a9d008e64c2c63"].into();
 	pub RelaychainSovereignSubAccount: MultiLocation = create_x2_multilocation(ParachainDerivedProxyAccountType::Salp as u16);

xcm-support/src/lib.rs

@@ -103,11 +103,11 @@ impl<
 			WithdrawAsset(asset.clone().into()),
 			BuyExecution {
 				fees: asset,
-				weight_limit: Some(weight + 1 * BaseXcmWeight::get() + nonce as u64).into(),
+				weight_limit: WeightLimit::Limited(Self::transact_weight(weight, nonce)),
 			},
 			Instruction::Transact {
 				origin_type: OriginKind::SovereignAccount,
-				require_weight_at_most: 100_000_000_000,
+				require_weight_at_most: weight,
 				call,
 			},
 			DepositAsset {