Salp Revamp companion for dmp transfer (#191)

* Salp Revamp companion for dmp transfer

* Fix check

node/primitives/src/lib.rs

@@ -30,11 +30,13 @@ mod bridge;
 mod currency;
 mod tests;
 pub mod traits;
+mod xcm;
 
 pub use crate::{
 	bridge::*,
 	currency::{CurrencyId, TokenSymbol},
 	traits::*,
+	xcm::*,
 };
 
 /// An index to a block.

node/primitives/src/xcm.rs

@@ -0,0 +1,42 @@
+// This file is part of Bifrost.
+
+// Copyright (C) 2019-2021 Liebi Technologies (UK) Ltd.
+// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+use codec::{Decode, Encode};
+use sp_std::prelude::*;
+
+/// The type used to represent the xcmp transfer direction
+#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Encode, Decode)]
+pub enum TransferOriginType {
+	FromSelf = 0,
+	FromRelayChain = 1,
+	FromSiblingParaChain = 2,
+}
+
+pub struct XcmBaseWeight(u64);
+
+impl From<u64> for XcmBaseWeight {
+	fn from(u: u64) -> Self {
+		XcmBaseWeight(u)
+	}
+}
+
+impl From<XcmBaseWeight> for u64 {
+	fn from(x: XcmBaseWeight) -> Self {
+		x.0.into()
+	}
+}