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Allow Queries and Subscriptions (#700)

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* Allow Queries and Subscriptions

* Fixes

* Formatting
This commit is contained in:
Gavin Wood
2021-10-27 18:14:27 +02:00
committed by GitHub
parent 47c2bcf55f
commit aafc43352e
5 changed files with 66 additions and 24 deletions
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cumulus/polkadot-parachains/westmint/src/lib.rs
+11 -6
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@@ -70,12 +70,13 @@ use polkadot_parachain::primitives::Sibling;
use polkadot_runtime_common::{BlockHashCount, RocksDbWeight, SlowAdjustingFeeUpdate};
use xcm::latest::prelude::*;
use xcm_builder::{
AccountId32Aliases, AllowTopLevelPaidExecutionFrom, AllowUnpaidExecutionFrom,
AsPrefixedGeneralIndex, ConvertedConcreteAssetId, CurrencyAdapter, EnsureXcmOrigin,
FixedWeightBounds, FungiblesAdapter, IsConcrete, LocationInverter, NativeAsset,
ParentAsSuperuser, ParentIsDefault, RelayChainAsNative, SiblingParachainAsNative,
SiblingParachainConvertsVia, SignedAccountId32AsNative, SignedToAccountId32,
SovereignSignedViaLocation, TakeWeightCredit, UsingComponents,
AccountId32Aliases, AllowKnownQueryResponses, AllowSubscriptionsFrom,
AllowTopLevelPaidExecutionFrom, AllowUnpaidExecutionFrom, AsPrefixedGeneralIndex,
ConvertedConcreteAssetId, CurrencyAdapter, EnsureXcmOrigin, FixedWeightBounds,
FungiblesAdapter, IsConcrete, LocationInverter, NativeAsset, ParentAsSuperuser,
ParentIsDefault, RelayChainAsNative, SiblingParachainAsNative, SiblingParachainConvertsVia,
SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit,
UsingComponents,
};
use xcm_executor::{traits::JustTry, Config, XcmExecutor};
@@ -526,6 +527,10 @@ pub type Barrier = (
AllowTopLevelPaidExecutionFrom<Everything>,
AllowUnpaidExecutionFrom<ParentOrParentsPlurality>,
// ^^^ Parent & its plurality gets free execution
// Expected responses are OK.
AllowKnownQueryResponses<PolkadotXcm>,
// Subscriptions for version tracking are OK.
AllowSubscriptionsFrom<Everything>,
);
pub struct XcmConfig;