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Make System Parachains trusted Teleporters (#1368)

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Make System Parachain trusted Teleporters of each other.

Migration of https://github.com/paritytech/cumulus/pull/2842

---------

Co-authored-by: command-bot <>
Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
This commit is contained in:
Ignacio Palacios
2023-10-16 19:52:33 +02:00
committed by GitHub
parent 4145902f1c
commit e0065cb81b
24 changed files with 465 additions and 84 deletions
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cumulus/parachains/runtimes/bridge-hubs/bridge-hub-polkadot/src/xcm_config.rs
+6 -3
View File
@@ -24,7 +24,7 @@ use frame_support::{
};
use frame_system::EnsureRoot;
use pallet_xcm::XcmPassthrough;
use parachains_common::{impls::ToStakingPot, xcm_config::ConcreteNativeAssetFrom};
use parachains_common::{impls::ToStakingPot, xcm_config::ConcreteAssetFromSystem};
use polkadot_parachain_primitives::primitives::Sibling;
use xcm::latest::prelude::*;
use xcm_builder::{
@@ -181,6 +181,10 @@ pub type Barrier = TrailingSetTopicAsId<
>,
>;
/// Cases where a remote origin is accepted as trusted Teleporter for a given asset:
/// - DOT with the parent Relay Chain and sibling parachains.
pub type TrustedTeleporters = ConcreteAssetFromSystem<DotRelayLocation>;
pub struct XcmConfig;
impl xcm_executor::Config for XcmConfig {
type RuntimeCall = RuntimeCall;
@@ -190,8 +194,7 @@ impl xcm_executor::Config for XcmConfig {
// BridgeHub does not recognize a reserve location for any asset. Users must teleport DOT
// where allowed (e.g. with the Relay Chain).
type IsReserve = ();
/// Only allow teleportation of DOT.
type IsTeleporter = ConcreteNativeAssetFrom<DotRelayLocation>;
type IsTeleporter = TrustedTeleporters;
type UniversalLocation = UniversalLocation;
type Barrier = Barrier;
type Weigher = WeightInfoBounds<