[xcm-emulator] Improve hygiene and clean up (#1301)

* improve hygiene & clean up * improve hygiene & clean up - xcm-emulator * improve hygiene & clean up - common * improve hygiene & clean up - tests * improve hygiene & clean up - tests 2 * last hygiene bits * ".git/.scripts/commands/fmt/fmt.sh" --------- Co-authored-by: command-bot <>
2026-05-31 21:31:02 +00:00 · 2023-09-01 12:44:06 +02:00
parent 12443589e3
commit 241601b1c1
18 changed files with 388 additions and 513 deletions
@@ -0,0 +1,66 @@
+// Copyright Parity Technologies (UK) Ltd.
+// This file is part of Cumulus.
+
+// Cumulus 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.
+
+// Cumulus 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 Cumulus.  If not, see <http://www.gnu.org/licenses/>.
+
+use parachains_common::AccountId;
+use xcm::{
+	prelude::{
+		AccountId32, All, BuyExecution, DepositAsset, MultiAsset, MultiAssets, MultiLocation,
+		OriginKind, RefundSurplus, Transact, UnpaidExecution, VersionedXcm, Weight, WeightLimit,
+		WithdrawAsset, Xcm, X1,
+	},
+	DoubleEncoded,
+};
+
+/// Helper method to build a XCM with a `Transact` instruction and paying for its execution
+pub fn xcm_transact_paid_execution(
+	call: DoubleEncoded<()>,
+	origin_kind: OriginKind,
+	native_asset: MultiAsset,
+	beneficiary: AccountId,
+) -> VersionedXcm<()> {
+	let weight_limit = WeightLimit::Unlimited;
+	let require_weight_at_most = Weight::from_parts(1000000000, 200000);
+	let native_assets: MultiAssets = native_asset.clone().into();
+
+	VersionedXcm::from(Xcm(vec![
+		WithdrawAsset(native_assets),
+		BuyExecution { fees: native_asset, weight_limit },
+		Transact { require_weight_at_most, origin_kind, call },
+		RefundSurplus,
+		DepositAsset {
+			assets: All.into(),
+			beneficiary: MultiLocation {
+				parents: 0,
+				interior: X1(AccountId32 { network: None, id: beneficiary.into() }),
+			},
+		},
+	]))
+}
+
+/// Helper method to build a XCM with a `Transact` instruction without paying for its execution
+pub fn xcm_transact_unpaid_execution(
+	call: DoubleEncoded<()>,
+	origin_kind: OriginKind,
+) -> VersionedXcm<()> {
+	let weight_limit = WeightLimit::Unlimited;
+	let require_weight_at_most = Weight::from_parts(1000000000, 200000);
+	let check_origin = None;
+
+	VersionedXcm::from(Xcm(vec![
+		UnpaidExecution { weight_limit, check_origin },
+		Transact { require_weight_at_most, origin_kind, call },
+	]))
+}