mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-30 14:01:02 +00:00
Gavin Wood
636d0b030f
* XCM: Introduce AssetTrap * Revert reversions * Remove attempts at weighing and add test * Less storage use for asset trapping * Add missing file * Fixes * Fixes * Formatting * Fixes * Docs * Filter types to allow runtimes to dictate which assets/origins should be trapped * Formatting * Tests * Formatting * Fixes * Docs
92 lines
2.8 KiB
Rust
92 lines
2.8 KiB
Rust
// Copyright 2021 Parity Technologies (UK) Ltd.
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// This file is part of Polkadot.
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// Polkadot is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Polkadot is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
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use frame_support::{parameter_types, traits::Everything, weights::Weight};
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use xcm::latest::prelude::*;
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use xcm_builder::{AllowUnpaidExecutionFrom, FixedWeightBounds, SignedToAccountId32};
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use xcm_executor::{
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traits::{InvertLocation, TransactAsset, WeightTrader},
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Assets,
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};
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parameter_types! {
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pub const OurNetwork: NetworkId = NetworkId::Polkadot;
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pub const MaxInstructions: u32 = 100;
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}
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/// Type to convert an `Origin` type value into a `MultiLocation` value which represents an interior location
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/// of this chain.
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pub type LocalOriginToLocation = (
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// And a usual Signed origin to be used in XCM as a corresponding AccountId32
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SignedToAccountId32<crate::Origin, crate::AccountId, OurNetwork>,
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);
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pub struct DoNothingRouter;
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impl SendXcm for DoNothingRouter {
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fn send_xcm(_dest: MultiLocation, _msg: Xcm<()>) -> SendResult {
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Ok(())
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}
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}
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pub type Barrier = AllowUnpaidExecutionFrom<Everything>;
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pub struct DummyAssetTransactor;
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impl TransactAsset for DummyAssetTransactor {
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fn deposit_asset(_what: &MultiAsset, _who: &MultiLocation) -> XcmResult {
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Ok(())
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}
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fn withdraw_asset(_what: &MultiAsset, _who: &MultiLocation) -> Result<Assets, XcmError> {
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let asset: MultiAsset = (Parent, 100_000).into();
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Ok(asset.into())
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}
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}
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pub struct DummyWeightTrader;
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impl WeightTrader for DummyWeightTrader {
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fn new() -> Self {
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DummyWeightTrader
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}
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fn buy_weight(&mut self, _weight: Weight, _payment: Assets) -> Result<Assets, XcmError> {
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Ok(Assets::default())
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}
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}
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pub struct InvertNothing;
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impl InvertLocation for InvertNothing {
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fn invert_location(_: &MultiLocation) -> MultiLocation {
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Here.into()
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}
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}
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pub struct XcmConfig;
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impl xcm_executor::Config for XcmConfig {
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type Call = super::Call;
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type XcmSender = DoNothingRouter;
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type AssetTransactor = DummyAssetTransactor;
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type OriginConverter = pallet_xcm::XcmPassthrough<super::Origin>;
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type IsReserve = ();
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type IsTeleporter = ();
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type LocationInverter = InvertNothing;
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type Barrier = Barrier;
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type Weigher = FixedWeightBounds<super::BaseXcmWeight, super::Call, MaxInstructions>;
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type Trader = DummyWeightTrader;
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type ResponseHandler = super::Xcm;
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type AssetTrap = super::Xcm;
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type AssetClaims = super::Xcm;
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}
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