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// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use super::{
AccountId, AllPalletsWithSystem, Assets, Authorship, Balance, Balances, BaseDeliveryFee,
FeeAssetId, ParachainInfo, ParachainSystem, PolkadotXcm, PoolAssets, Runtime, RuntimeCall,
RuntimeEvent, RuntimeOrigin, TransactionByteFee, TrustBackedAssetsInstance, WeightToFee,
XcmpQueue,
use assets_common::{
local_and_foreign_assets::MatchesLocalAndForeignAssetsMultiLocation,
Branislav Kontur
committed
matching::{FromSiblingParachain, IsForeignConcreteAsset},
use frame_support::{
match_types, parameter_types,
traits::{ConstU32, Contains, Equals, Everything, Nothing, PalletInfoAccess},
use pallet_xcm::XcmPassthrough;
use parachains_common::{
impls::ToStakingPot,
xcm_config::{
AssetFeeAsExistentialDepositMultiplier, ConcreteAssetFromSystem,
RelayOrOtherSystemParachains,
},
TREASURY_PALLET_ID,
use polkadot_parachain_primitives::primitives::Sibling;
use polkadot_runtime_common::xcm_sender::ExponentialPrice;
use sp_runtime::traits::{AccountIdConversion, ConvertInto};
use westend_runtime_constants::system_parachain;
use xcm::latest::prelude::*;
use xcm_builder::{
AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowKnownQueryResponses,
Gavin Wood
committed
AllowSubscriptionsFrom, AllowTopLevelPaidExecutionFrom, CurrencyAdapter,
DenyReserveTransferToRelayChain, DenyThenTry, DescribeFamily, DescribePalletTerminal,
EnsureXcmOrigin, FungiblesAdapter, HashedDescription, IsConcrete, LocalMint, NoChecking,
ParentAsSuperuser, ParentIsPreset, RelayChainAsNative, SiblingParachainAsNative,
SiblingParachainConvertsVia, SignedAccountId32AsNative, SignedToAccountId32,
Branislav Kontur
committed
SovereignSignedViaLocation, StartsWith, StartsWithExplicitGlobalConsensus, TakeWeightCredit,
TrailingSetTopicAsId, UsingComponents, WeightInfoBounds, WithComputedOrigin, WithUniqueTopic,
Serban Iorga
committed
XcmFeeManagerFromComponents, XcmFeeToAccount,
use xcm_executor::{traits::WithOriginFilter, XcmExecutor};
#[cfg(feature = "runtime-benchmarks")]
use {cumulus_primitives_core::ParaId, sp_core::Get};
parameter_types! {
pub const WestendLocation: MultiLocation = MultiLocation::parent();
pub const RelayNetwork: Option<NetworkId> = Some(NetworkId::Westend);
pub RelayChainOrigin: RuntimeOrigin = cumulus_pallet_xcm::Origin::Relay.into();
pub UniversalLocation: InteriorMultiLocation =
X2(GlobalConsensus(RelayNetwork::get().unwrap()), Parachain(ParachainInfo::parachain_id().into()));
pub UniversalLocationNetworkId: NetworkId = UniversalLocation::get().global_consensus().unwrap();
pub TrustBackedAssetsPalletLocation: MultiLocation =
PalletInstance(<Assets as PalletInfoAccess>::index() as u8).into();
pub ForeignAssetsPalletLocation: MultiLocation =
PalletInstance(<ForeignAssets as PalletInfoAccess>::index() as u8).into();
pub PoolAssetsPalletLocation: MultiLocation =
PalletInstance(<PoolAssets as PalletInfoAccess>::index() as u8).into();
pub CheckingAccount: AccountId = PolkadotXcm::check_account();
Serban Iorga
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pub TreasuryAccount: AccountId = TREASURY_PALLET_ID.into_account_truncating();
pub RelayTreasuryLocation: MultiLocation = (Parent, PalletInstance(westend_runtime_constants::TREASURY_PALLET_ID)).into();
}
/// Type for specifying how a `MultiLocation` can be converted into an `AccountId`. This is used
/// when determining ownership of accounts for asset transacting and when attempting to use XCM
/// `Transact` in order to determine the dispatch Origin.
pub type LocationToAccountId = (
// The parent (Relay-chain) origin converts to the parent `AccountId`.
ParentIsPreset<AccountId>,
// Sibling parachain origins convert to AccountId via the `ParaId::into`.
SiblingParachainConvertsVia<Sibling, AccountId>,
// Straight up local `AccountId32` origins just alias directly to `AccountId`.
AccountId32Aliases<RelayNetwork, AccountId>,
// Foreign chain account alias into local accounts according to a hash of their standard
// description.
HashedDescription<AccountId, DescribeFamily<DescribePalletTerminal>>,
);
/// Means for transacting the native currency on this chain.
pub type CurrencyTransactor = CurrencyAdapter<
// Use this currency:
Balances,
// Use this currency when it is a fungible asset matching the given location or name:
IsConcrete<WestendLocation>,
// Convert an XCM MultiLocation into a local account id:
LocationToAccountId,
// Our chain's account ID type (we can't get away without mentioning it explicitly):
AccountId,
// We don't track any teleports of `Balances`.
(),
>;
/// `AssetId/Balance` converter for `TrustBackedAssets`
pub type TrustBackedAssetsConvertedConcreteId =
assets_common::TrustBackedAssetsConvertedConcreteId<TrustBackedAssetsPalletLocation, Balance>;
/// Means for transacting assets besides the native currency on this chain.
pub type FungiblesTransactor = FungiblesAdapter<
// Use this fungibles implementation:
Assets,
// Use this currency when it is a fungible asset matching the given location or name:
// Convert an XCM MultiLocation into a local account id:
LocationToAccountId,
// Our chain's account ID type (we can't get away without mentioning it explicitly):
AccountId,
// We only want to allow teleports of known assets. We use non-zero issuance as an indication
// that this asset is known.
LocalMint<parachains_common::impls::NonZeroIssuance<AccountId, Assets>>,
// The account to use for tracking teleports.
CheckingAccount,
>;
/// `AssetId/Balance` converter for `TrustBackedAssets`
pub type ForeignAssetsConvertedConcreteId = assets_common::ForeignAssetsConvertedConcreteId<
(
// Ignore `TrustBackedAssets` explicitly
StartsWith<TrustBackedAssetsPalletLocation>,
// Ignore asset which starts explicitly with our `GlobalConsensus(NetworkId)`, means:
// - foreign assets from our consensus should be: `MultiLocation {parents: 1,
// X*(Parachain(xyz), ..)}
// - foreign assets outside our consensus with the same `GlobalConsensus(NetworkId)` wont
// be accepted here
StartsWithExplicitGlobalConsensus<UniversalLocationNetworkId>,
),
Balance,
>;
/// Means for transacting foreign assets from different global consensus.
pub type ForeignFungiblesTransactor = FungiblesAdapter<
// Use this fungibles implementation:
ForeignAssets,
// Use this currency when it is a fungible asset matching the given location or name:
ForeignAssetsConvertedConcreteId,
// Convert an XCM MultiLocation into a local account id:
LocationToAccountId,
// Our chain's account ID type (we can't get away without mentioning it explicitly):
AccountId,
// We dont need to check teleports here.
NoChecking,
// The account to use for tracking teleports.
CheckingAccount,
>;
/// `AssetId`/`Balance` converter for `PoolAssets`.
pub type PoolAssetsConvertedConcreteId =
assets_common::PoolAssetsConvertedConcreteId<PoolAssetsPalletLocation, Balance>;
/// Means for transacting asset conversion pool assets on this chain.
pub type PoolFungiblesTransactor = FungiblesAdapter<
// Use this fungibles implementation:
PoolAssets,
// Use this currency when it is a fungible asset matching the given location or name:
PoolAssetsConvertedConcreteId,
// Convert an XCM MultiLocation into a local account id:
LocationToAccountId,
// Our chain's account ID type (we can't get away without mentioning it explicitly):
AccountId,
// We only want to allow teleports of known assets. We use non-zero issuance as an indication
// that this asset is known.
LocalMint<parachains_common::impls::NonZeroIssuance<AccountId, PoolAssets>>,
// The account to use for tracking teleports.
CheckingAccount,
>;
/// Means for transacting assets on this chain.
pub type AssetTransactors =
(CurrencyTransactor, FungiblesTransactor, ForeignFungiblesTransactor, PoolFungiblesTransactor);
/// Simple `MultiLocation` matcher for Local and Foreign asset `MultiLocation`.
pub struct LocalAndForeignAssetsMultiLocationMatcher;
impl MatchesLocalAndForeignAssetsMultiLocation for LocalAndForeignAssetsMultiLocationMatcher {
fn is_local(location: &MultiLocation) -> bool {
use assets_common::fungible_conversion::MatchesMultiLocation;
TrustBackedAssetsConvertedConcreteId::contains(location)
}
fn is_foreign(location: &MultiLocation) -> bool {
use assets_common::fungible_conversion::MatchesMultiLocation;
ForeignAssetsConvertedConcreteId::contains(location)
}
}
impl Contains<MultiLocation> for LocalAndForeignAssetsMultiLocationMatcher {
fn contains(location: &MultiLocation) -> bool {
Self::is_local(location) || Self::is_foreign(location)
}
}
/// This is the type we use to convert an (incoming) XCM origin into a local `Origin` instance,
/// ready for dispatching a transaction with Xcm's `Transact`. There is an `OriginKind` which can
/// biases the kind of local `Origin` it will become.
pub type XcmOriginToTransactDispatchOrigin = (
// Sovereign account converter; this attempts to derive an `AccountId` from the origin location
// using `LocationToAccountId` and then turn that into the usual `Signed` origin. Useful for
// foreign chains who want to have a local sovereign account on this chain which they control.
SovereignSignedViaLocation<LocationToAccountId, RuntimeOrigin>,
// Native converter for Relay-chain (Parent) location; will convert to a `Relay` origin when
// recognised.
RelayChainAsNative<RelayChainOrigin, RuntimeOrigin>,
// Native converter for sibling Parachains; will convert to a `SiblingPara` origin when
// recognised.
SiblingParachainAsNative<cumulus_pallet_xcm::Origin, RuntimeOrigin>,
// Superuser converter for the Relay-chain (Parent) location. This will allow it to issue a
// transaction from the Root origin.
// Native signed account converter; this just converts an `AccountId32` origin into a normal
// `RuntimeOrigin::Signed` origin of the same 32-byte value.
SignedAccountId32AsNative<RelayNetwork, RuntimeOrigin>,
// Xcm origins can be represented natively under the Xcm pallet's Xcm origin.
);
parameter_types! {
pub const MaxInstructions: u32 = 100;
pub XcmAssetFeesReceiver: Option<AccountId> = Authorship::author();
match_types! {
pub type ParentOrParentsPlurality: impl Contains<MultiLocation> = {
MultiLocation { parents: 1, interior: Here } |
MultiLocation { parents: 1, interior: X1(Plurality { .. }) }
};
}
/// A call filter for the XCM Transact instruction. This is a temporary measure until we properly
/// account for proof size weights.
///
/// Calls that are allowed through this filter must:
/// 1. Have a fixed weight;
/// 2. Cannot lead to another call being made;
/// 3. Have a defined proof size weight, e.g. no unbounded vecs in call parameters.
pub struct SafeCallFilter;
impl Contains<RuntimeCall> for SafeCallFilter {
fn contains(call: &RuntimeCall) -> bool {
#[cfg(feature = "runtime-benchmarks")]
{
if matches!(call, RuntimeCall::System(frame_system::Call::remark_with_event { .. })) {
return true
}
}
RuntimeCall::PolkadotXcm(pallet_xcm::Call::force_xcm_version { .. }) |
RuntimeCall::System(
frame_system::Call::set_heap_pages { .. } |
frame_system::Call::set_code { .. } |
frame_system::Call::set_code_without_checks { .. } |
frame_system::Call::kill_prefix { .. },
) | RuntimeCall::ParachainSystem(..) |
RuntimeCall::Timestamp(..) |
RuntimeCall::Balances(..) |
RuntimeCall::CollatorSelection(
pallet_collator_selection::Call::set_desired_candidates { .. } |
pallet_collator_selection::Call::set_candidacy_bond { .. } |
pallet_collator_selection::Call::register_as_candidate { .. } |
pallet_collator_selection::Call::leave_intent { .. } |
pallet_collator_selection::Call::set_invulnerables { .. } |
pallet_collator_selection::Call::add_invulnerable { .. } |
pallet_collator_selection::Call::remove_invulnerable { .. },
) | RuntimeCall::Session(pallet_session::Call::purge_keys { .. }) |
RuntimeCall::XcmpQueue(..) |
RuntimeCall::DmpQueue(..) |
RuntimeCall::Assets(
pallet_assets::Call::create { .. } |
pallet_assets::Call::force_create { .. } |
pallet_assets::Call::start_destroy { .. } |
pallet_assets::Call::destroy_accounts { .. } |
pallet_assets::Call::destroy_approvals { .. } |
pallet_assets::Call::finish_destroy { .. } |
pallet_assets::Call::block { .. } |
pallet_assets::Call::mint { .. } |
pallet_assets::Call::burn { .. } |
pallet_assets::Call::transfer { .. } |
pallet_assets::Call::transfer_keep_alive { .. } |
pallet_assets::Call::force_transfer { .. } |
pallet_assets::Call::freeze { .. } |
pallet_assets::Call::thaw { .. } |
pallet_assets::Call::freeze_asset { .. } |
pallet_assets::Call::thaw_asset { .. } |
pallet_assets::Call::transfer_ownership { .. } |
pallet_assets::Call::set_team { .. } |
pallet_assets::Call::set_metadata { .. } |
pallet_assets::Call::clear_metadata { .. } |
pallet_assets::Call::force_set_metadata { .. } |
pallet_assets::Call::force_clear_metadata { .. } |
pallet_assets::Call::force_asset_status { .. } |
pallet_assets::Call::approve_transfer { .. } |
pallet_assets::Call::cancel_approval { .. } |
pallet_assets::Call::force_cancel_approval { .. } |
pallet_assets::Call::transfer_approved { .. } |
pallet_assets::Call::touch { .. } |
pallet_assets::Call::touch_other { .. } |
pallet_assets::Call::refund { .. } |
pallet_assets::Call::refund_other { .. },
) | RuntimeCall::ForeignAssets(
pallet_assets::Call::create { .. } |
pallet_assets::Call::force_create { .. } |
pallet_assets::Call::start_destroy { .. } |
pallet_assets::Call::destroy_accounts { .. } |
pallet_assets::Call::destroy_approvals { .. } |
pallet_assets::Call::finish_destroy { .. } |
pallet_assets::Call::block { .. } |
pallet_assets::Call::mint { .. } |
pallet_assets::Call::burn { .. } |
pallet_assets::Call::transfer { .. } |
pallet_assets::Call::transfer_keep_alive { .. } |
pallet_assets::Call::force_transfer { .. } |
pallet_assets::Call::freeze { .. } |
pallet_assets::Call::thaw { .. } |
pallet_assets::Call::freeze_asset { .. } |
pallet_assets::Call::thaw_asset { .. } |
pallet_assets::Call::transfer_ownership { .. } |
pallet_assets::Call::set_team { .. } |
pallet_assets::Call::set_metadata { .. } |
pallet_assets::Call::clear_metadata { .. } |
pallet_assets::Call::force_set_metadata { .. } |
pallet_assets::Call::force_clear_metadata { .. } |
pallet_assets::Call::force_asset_status { .. } |
pallet_assets::Call::approve_transfer { .. } |
pallet_assets::Call::cancel_approval { .. } |
pallet_assets::Call::force_cancel_approval { .. } |
pallet_assets::Call::transfer_approved { .. } |
pallet_assets::Call::touch { .. } |
pallet_assets::Call::touch_other { .. } |
pallet_assets::Call::refund { .. } |
pallet_assets::Call::refund_other { .. },
) | RuntimeCall::PoolAssets(
pallet_assets::Call::create { .. } |
pallet_assets::Call::force_create { .. } |
pallet_assets::Call::start_destroy { .. } |
pallet_assets::Call::destroy_accounts { .. } |
pallet_assets::Call::destroy_approvals { .. } |
pallet_assets::Call::finish_destroy { .. } |
pallet_assets::Call::block { .. } |
pallet_assets::Call::mint { .. } |
pallet_assets::Call::burn { .. } |
pallet_assets::Call::transfer { .. } |
pallet_assets::Call::transfer_keep_alive { .. } |
pallet_assets::Call::force_transfer { .. } |
pallet_assets::Call::freeze { .. } |
pallet_assets::Call::thaw { .. } |
pallet_assets::Call::freeze_asset { .. } |
pallet_assets::Call::thaw_asset { .. } |
pallet_assets::Call::transfer_ownership { .. } |
pallet_assets::Call::set_team { .. } |
pallet_assets::Call::set_metadata { .. } |
pallet_assets::Call::clear_metadata { .. } |
pallet_assets::Call::force_set_metadata { .. } |
pallet_assets::Call::force_clear_metadata { .. } |
pallet_assets::Call::force_asset_status { .. } |
pallet_assets::Call::approve_transfer { .. } |
pallet_assets::Call::cancel_approval { .. } |
pallet_assets::Call::force_cancel_approval { .. } |
pallet_assets::Call::transfer_approved { .. } |
pallet_assets::Call::touch { .. } |
pallet_assets::Call::touch_other { .. } |
pallet_assets::Call::refund { .. } |
pallet_assets::Call::refund_other { .. },
) | RuntimeCall::AssetConversion(
pallet_asset_conversion::Call::create_pool { .. } |
pallet_asset_conversion::Call::add_liquidity { .. } |
pallet_asset_conversion::Call::remove_liquidity { .. } |
pallet_asset_conversion::Call::swap_tokens_for_exact_tokens { .. } |
pallet_asset_conversion::Call::swap_exact_tokens_for_tokens { .. },
) | RuntimeCall::NftFractionalization(
pallet_nft_fractionalization::Call::fractionalize { .. } |
pallet_nft_fractionalization::Call::unify { .. },
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pallet_nfts::Call::force_create { .. } |
pallet_nfts::Call::destroy { .. } |
pallet_nfts::Call::mint { .. } |
pallet_nfts::Call::force_mint { .. } |
pallet_nfts::Call::burn { .. } |
pallet_nfts::Call::transfer { .. } |
pallet_nfts::Call::lock_item_transfer { .. } |
pallet_nfts::Call::unlock_item_transfer { .. } |
pallet_nfts::Call::lock_collection { .. } |
pallet_nfts::Call::transfer_ownership { .. } |
pallet_nfts::Call::set_team { .. } |
pallet_nfts::Call::force_collection_owner { .. } |
pallet_nfts::Call::force_collection_config { .. } |
pallet_nfts::Call::approve_transfer { .. } |
pallet_nfts::Call::cancel_approval { .. } |
pallet_nfts::Call::clear_all_transfer_approvals { .. } |
pallet_nfts::Call::lock_item_properties { .. } |
pallet_nfts::Call::set_attribute { .. } |
pallet_nfts::Call::force_set_attribute { .. } |
pallet_nfts::Call::clear_attribute { .. } |
pallet_nfts::Call::approve_item_attributes { .. } |
pallet_nfts::Call::cancel_item_attributes_approval { .. } |
pallet_nfts::Call::set_metadata { .. } |
pallet_nfts::Call::clear_metadata { .. } |
pallet_nfts::Call::set_collection_metadata { .. } |
pallet_nfts::Call::clear_collection_metadata { .. } |
pallet_nfts::Call::set_accept_ownership { .. } |
pallet_nfts::Call::set_collection_max_supply { .. } |
pallet_nfts::Call::update_mint_settings { .. } |
pallet_nfts::Call::set_price { .. } |
pallet_nfts::Call::buy_item { .. } |
pallet_nfts::Call::pay_tips { .. } |
pallet_nfts::Call::create_swap { .. } |
pallet_nfts::Call::cancel_swap { .. } |
pallet_nfts::Call::claim_swap { .. },
) | RuntimeCall::Uniques(
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pallet_uniques::Call::force_create { .. } |
pallet_uniques::Call::destroy { .. } |
pallet_uniques::Call::mint { .. } |
pallet_uniques::Call::burn { .. } |
pallet_uniques::Call::transfer { .. } |
pallet_uniques::Call::freeze { .. } |
pallet_uniques::Call::thaw { .. } |
pallet_uniques::Call::freeze_collection { .. } |
pallet_uniques::Call::thaw_collection { .. } |
pallet_uniques::Call::transfer_ownership { .. } |
pallet_uniques::Call::set_team { .. } |
pallet_uniques::Call::approve_transfer { .. } |
pallet_uniques::Call::cancel_approval { .. } |
pallet_uniques::Call::force_item_status { .. } |
pallet_uniques::Call::set_attribute { .. } |
pallet_uniques::Call::clear_attribute { .. } |
pallet_uniques::Call::set_metadata { .. } |
pallet_uniques::Call::clear_metadata { .. } |
pallet_uniques::Call::set_collection_metadata { .. } |
pallet_uniques::Call::clear_collection_metadata { .. } |
pallet_uniques::Call::set_accept_ownership { .. } |
pallet_uniques::Call::set_collection_max_supply { .. } |
pallet_uniques::Call::set_price { .. } |
pallet_uniques::Call::buy_item { .. },
)
)
Gavin Wood
committed
pub type Barrier = TrailingSetTopicAsId<
DenyThenTry<
DenyReserveTransferToRelayChain,
(
TakeWeightCredit,
// Expected responses are OK.
AllowKnownQueryResponses<PolkadotXcm>,
// Allow XCMs with some computed origins to pass through.
WithComputedOrigin<
(
Adrian Catangiu
committed
// If the message is one that immediately attempts to pay for execution, then
// allow it.
Gavin Wood
committed
AllowTopLevelPaidExecutionFrom<Everything>,
// Parent, its pluralities (i.e. governance bodies), relay treasury pallet and
// BridgeHub get free execution.
AllowExplicitUnpaidExecutionFrom<(
ParentOrParentsPlurality,
Equals<RelayTreasuryLocation>,
)>,
Gavin Wood
committed
// Subscriptions for version tracking are OK.
AllowSubscriptionsFrom<Everything>,
),
UniversalLocation,
ConstU32<8>,
>,
),
>,
// TODO: This calls into the Assets pallet's default `BalanceToAssetBalance` implementation, which
// uses the ratio of minimum balances and requires asset sufficiency. This means that purchasing
// weight within XCM programs will still use the old way, and paying fees via asset conversion will
// only be possible when transacting locally. We should add an impl of this trait that does asset
// conversion.
pub type AssetFeeAsExistentialDepositMultiplierFeeCharger = AssetFeeAsExistentialDepositMultiplier<
Runtime,
WeightToFee,
pallet_assets::BalanceToAssetBalance<Balances, Runtime, ConvertInto, TrustBackedAssetsInstance>,
TrustBackedAssetsInstance,
>;
match_types! {
pub type SystemParachains: impl Contains<MultiLocation> = {
MultiLocation {
parents: 1,
interior: X1(Parachain(
system_parachain::ASSET_HUB_ID |
system_parachain::COLLECTIVES_ID |
system_parachain::BRIDGE_HUB_ID
)),
}
};
}
/// Locations that will not be charged fees in the executor,
/// either execution or delivery.
/// We only waive fees for system functions, which these locations represent.
pub type WaivedLocations =
(RelayOrOtherSystemParachains<SystemParachains, Runtime>, Equals<RelayTreasuryLocation>);
/// Cases where a remote origin is accepted as trusted Teleporter for a given asset:
///
/// - WND with the parent Relay Chain and sibling system parachains; and
/// - Sibling parachains' assets from where they originate (as `ForeignCreators`).
pub type TrustedTeleporters = (
ConcreteAssetFromSystem<WestendLocation>,
IsForeignConcreteAsset<FromSiblingParachain<parachain_info::Pallet<Runtime>>>,
);
pub struct XcmConfig;
impl xcm_executor::Config for XcmConfig {
type XcmSender = XcmRouter;
type AssetTransactor = AssetTransactors;
type OriginConverter = XcmOriginToTransactDispatchOrigin;
// Asset Hub Westend does not recognize a reserve location for any asset. This does not prevent
// Asset Hub acting _as_ a reserve location for WND and assets created under `pallet-assets`.
// For WND, users must use teleport where allowed (e.g. with the Relay Chain).
type IsReserve = ();
type IsTeleporter = TrustedTeleporters;
type Barrier = Barrier;
crate::weights::xcm::AssetHubWestendXcmWeight<RuntimeCall>,
type Trader = (
UsingComponents<WeightToFee, WestendLocation, AccountId, Balances, ToStakingPot<Runtime>>,
// This trader allows to pay with `is_sufficient=true` "Trust Backed" assets from dedicated
// `pallet_assets` instance - `Assets`.
cumulus_primitives_utility::TakeFirstAssetTrader<
AccountId,
AssetFeeAsExistentialDepositMultiplierFeeCharger,
Assets,
cumulus_primitives_utility::XcmFeesTo32ByteAccount<
FungiblesTransactor,
AccountId,
XcmAssetFeesReceiver,
>,
>,
);
type ResponseHandler = PolkadotXcm;
type AssetTrap = PolkadotXcm;
type AssetClaims = PolkadotXcm;
type SubscriptionService = PolkadotXcm;
type PalletInstancesInfo = AllPalletsWithSystem;
type MaxAssetsIntoHolding = MaxAssetsIntoHolding;
type AssetLocker = ();
type AssetExchanger = ();
Serban Iorga
committed
type FeeManager = XcmFeeManagerFromComponents<
WaivedLocations,
XcmFeeToAccount<Self::AssetTransactor, AccountId, TreasuryAccount>,
>;
type MessageExporter = ();
type UniversalAliases = Nothing;
type CallDispatcher = WithOriginFilter<SafeCallFilter>;
type SafeCallFilter = SafeCallFilter;
}
/// Local origins on this chain are allowed to dispatch XCM sends/executions.
pub type LocalOriginToLocation = SignedToAccountId32<RuntimeOrigin, AccountId, RelayNetwork>;
pub type PriceForParentDelivery =
ExponentialPrice<FeeAssetId, BaseDeliveryFee, TransactionByteFee, ParachainSystem>;
/// The means for routing XCM messages which are not for local execution into the right message
/// queues.
Gavin Wood
committed
pub type XcmRouter = WithUniqueTopic<(
// Two routers - use UMP to communicate with the relay chain:
cumulus_primitives_utility::ParentAsUmp<ParachainSystem, PolkadotXcm, PriceForParentDelivery>,
// ..and XCMP to communicate with the sibling chains.
XcmpQueue,
Gavin Wood
committed
)>;
#[cfg(feature = "runtime-benchmarks")]
parameter_types! {
pub ReachableDest: Option<MultiLocation> = Some(Parent.into());
}
impl pallet_xcm::Config for Runtime {
type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
type XcmRouter = XcmRouter;
type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
type XcmExecuteFilter = Everything;
type XcmExecutor = XcmExecutor<XcmConfig>;
type XcmTeleportFilter = Everything;
type XcmReserveTransferFilter = Everything;
crate::weights::xcm::AssetHubWestendXcmWeight<RuntimeCall>,
const VERSION_DISCOVERY_QUEUE_SIZE: u32 = 100;
type AdvertisedXcmVersion = pallet_xcm::CurrentXcmVersion;
type Currency = Balances;
type CurrencyMatcher = ();
type TrustedLockers = ();
type SovereignAccountOf = LocationToAccountId;
type MaxLockers = ConstU32<8>;
type WeightInfo = crate::weights::pallet_xcm::WeightInfo<Runtime>;
#[cfg(feature = "runtime-benchmarks")]
type ReachableDest = ReachableDest;
type AdminOrigin = EnsureRoot<AccountId>;
type MaxRemoteLockConsumers = ConstU32<0>;
type RemoteLockConsumerIdentifier = ();
}
impl cumulus_pallet_xcm::Config for Runtime {
type XcmExecutor = XcmExecutor<XcmConfig>;
}
pub type ForeignCreatorsSovereignAccountOf = (
SiblingParachainConvertsVia<Sibling, AccountId>,
AccountId32Aliases<RelayNetwork, AccountId>,
ParentIsPreset<AccountId>,
);
/// Simple conversion of `u32` into an `AssetId` for use in benchmarking.
pub struct XcmBenchmarkHelper;
#[cfg(feature = "runtime-benchmarks")]
impl pallet_assets::BenchmarkHelper<MultiLocation> for XcmBenchmarkHelper {
fn create_asset_id_parameter(id: u32) -> MultiLocation {
MultiLocation { parents: 1, interior: X1(Parachain(id)) }
}
}
#[cfg(feature = "runtime-benchmarks")]
pub struct BenchmarkMultiLocationConverter<SelfParaId> {
_phantom: sp_std::marker::PhantomData<SelfParaId>,
}
#[cfg(feature = "runtime-benchmarks")]
impl<SelfParaId>
pallet_asset_conversion::BenchmarkHelper<MultiLocation, sp_std::boxed::Box<MultiLocation>>
for BenchmarkMultiLocationConverter<SelfParaId>
where
SelfParaId: Get<ParaId>,
{
fn asset_id(asset_id: u32) -> MultiLocation {
MultiLocation {
parents: 1,
interior: X3(
Parachain(SelfParaId::get().into()),
PalletInstance(<Assets as PalletInfoAccess>::index() as u8),
GeneralIndex(asset_id.into()),
),
}
}
fn multiasset_id(asset_id: u32) -> sp_std::boxed::Box<MultiLocation> {
sp_std::boxed::Box::new(Self::asset_id(asset_id))
}