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[Feature] Limit collectives teleports to DOT (#1579)

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* [Feature] Limit collectives teleports to DOT

* Update pallets/xcm/src/lib.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* fix review comments

* Update parachains/runtimes/collectives/collectives-polkadot/src/xcm_config.rs

Co-authored-by: Chevdor <chevdor@users.noreply.github.com>

* [ci] Apply cargo-fmt

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>
Co-authored-by: Chevdor <chevdor@users.noreply.github.com>
Co-authored-by: paritytech-ci <paritytech-ci@parity.io>
This commit is contained in:
Roman Useinov
2022-08-31 13:27:14 +02:00
committed by GitHub
parent 1715b6f1f9
commit 6165597eb7
2 changed files with 18 additions and 5 deletions
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cumulus/parachains/runtimes/collectives/collectives-polkadot/src/xcm_config.rs
+5 -4
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@@ -25,15 +25,15 @@ use frame_support::{
use pallet_xcm::XcmPassthrough;
use parachains_common::{
impls::ToStakingPot,
xcm_config::{DenyReserveTransferToRelayChain, DenyThenTry},
xcm_config::{ConcreteNativeAssetFrom, DenyReserveTransferToRelayChain, DenyThenTry},
};
use polkadot_parachain::primitives::Sibling;
use xcm::latest::prelude::*;
use xcm_builder::{
AccountId32Aliases, AllowKnownQueryResponses, AllowSubscriptionsFrom,
AllowTopLevelPaidExecutionFrom, AllowUnpaidExecutionFrom, CurrencyAdapter, EnsureXcmOrigin,
FixedWeightBounds, IsConcrete, LocationInverter, NativeAsset, ParentAsSuperuser,
ParentIsPreset, RelayChainAsNative, SiblingParachainAsNative, SiblingParachainConvertsVia,
FixedWeightBounds, IsConcrete, LocationInverter, ParentAsSuperuser, ParentIsPreset,
RelayChainAsNative, SiblingParachainAsNative, SiblingParachainConvertsVia,
SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit,
UsingComponents,
};
@@ -140,7 +140,8 @@ impl xcm_executor::Config for XcmConfig {
// Collectives does not recognize a reserve location for any asset. Users must teleport DOT
// where allowed (e.g. with the Relay Chain).
type IsReserve = ();
type IsTeleporter = NativeAsset; // <- should be enough to allow teleportation of DOT
/// Only allow teleportation of DOT.
type IsTeleporter = ConcreteNativeAssetFrom<DotLocation>;
type LocationInverter = LocationInverter<Ancestry>;
type Barrier = Barrier;
type Weigher = FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;