git.delta.rocks / unique-network / refs/commits / b7be9a60893b

1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617use xcm_executor::traits::ShouldExecute;18use xcm::latest::prelude::*;19use logtest::Logger;20use crate::{21    Call,22    xcm_config::Barrier,23};2425fn catch_xcm_barrier_log(logger: &mut Logger, expected_msg: &str) {26    for record in logger {27        if record.target() == "xcm::barrier"28        && record.args() == expected_msg {29            return;30        }31    }3233    panic!("the expected XCM barrier log `{}` is not found", expected_msg);34}3536#[test]37fn xcm_barrier_does_not_allow_transact() {38    // We have a `AllowTopLevelPaidExecutionFrom` barrier,39    // so an XCM program should start from one of the following commands: 40    // * `WithdrawAsset`41    // * `ReceiveTeleportedAsset`42    // * `ReserveAssetDeposited`43    // * `ClaimAsset` 44    // We use the `WithdrawAsset` in this test4546    let location = MultiLocation {47        parents: 0,48        interior: Junctions::Here,49    };5051    // let id = AssetId::Concrete(location.clone());52    // let fun = Fungibility::Fungible(42);53    // let multiasset = MultiAsset {54    //     id,55    //     fun,56    // };57    // let withdraw_inst = WithdrawAsset(multiasset.into());5859    // We will never decode this "call",60    // so it is irrelevant what we are passing to the `transact` cmd.61    let fake_encoded_call = vec![0u8];6263    let transact_inst = Transact {64        origin_type: OriginKind::Superuser,65        require_weight_at_most: 0,66        call: fake_encoded_call.into(),67    };6869    let mut xcm_program = Xcm::<Call>(vec![transact_inst]);7071    let mut logger = Logger::start();7273    let max_weight = 100_000;74    let mut weight_credit = 0;7576    let result = Barrier::should_execute(77        &location,78        &mut xcm_program,79        max_weight,80        &mut weight_credit81    );8283    assert!(result.is_err(), "the barrier should disallow the XCM transact cmd");8485    catch_xcm_barrier_log(&mut logger, "transact XCM rejected");86}