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Polkadot parachains get topic-based message IDs (#2642)

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* Polkadot parachains get topics

* Formatting

---------

Co-authored-by: joepetrowski <joe@parity.io>
Co-authored-by: parity-processbot <>
This commit is contained in:
Gavin Wood
2023-08-10 02:08:56 -07:00
committed by GitHub
parent 195a2c38eb
commit 0765e2d152
4 changed files with 89 additions and 81 deletions
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cumulus/parachains/runtimes/collectives/collectives-polkadot/src/xcm_config.rs
+27 -25
View File
@@ -33,8 +33,8 @@ use xcm_builder::{
DenyReserveTransferToRelayChain, DenyThenTry, EnsureXcmOrigin, FixedWeightBounds, IsConcrete,
OriginToPluralityVoice, ParentAsSuperuser, ParentIsPreset, RelayChainAsNative,
SiblingParachainAsNative, SiblingParachainConvertsVia, SignedAccountId32AsNative,
SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit, UsingComponents,
WithComputedOrigin,
SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit, TrailingSetTopicAsId,
UsingComponents, WithComputedOrigin, WithUniqueTopic,
};
use xcm_executor::{traits::WithOriginFilter, XcmExecutor};
@@ -202,27 +202,29 @@ impl Contains<RuntimeCall> for SafeCallFilter {
}
}
pub type Barrier = DenyThenTry<
DenyReserveTransferToRelayChain,
(
// Allow local users to buy weight credit.
TakeWeightCredit,
// Expected responses are OK.
AllowKnownQueryResponses<PolkadotXcm>,
// Allow XCMs with some computed origins to pass through.
WithComputedOrigin<
(
// If the message is one that immediately attemps to pay for execution, then allow it.
AllowTopLevelPaidExecutionFrom<Everything>,
// Parent and its pluralities (i.e. governance bodies) get free execution.
AllowExplicitUnpaidExecutionFrom<ParentOrParentsPlurality>,
// Subscriptions for version tracking are OK.
AllowSubscriptionsFrom<ParentOrSiblings>,
),
UniversalLocation,
ConstU32<8>,
>,
),
pub type Barrier = TrailingSetTopicAsId<
DenyThenTry<
DenyReserveTransferToRelayChain,
(
// Allow local users to buy weight credit.
TakeWeightCredit,
// Expected responses are OK.
AllowKnownQueryResponses<PolkadotXcm>,
// Allow XCMs with some computed origins to pass through.
WithComputedOrigin<
(
// If the message is one that immediately attemps to pay for execution, then allow it.
AllowTopLevelPaidExecutionFrom<Everything>,
// Parent and its pluralities (i.e. governance bodies) get free execution.
AllowExplicitUnpaidExecutionFrom<ParentOrParentsPlurality>,
// Subscriptions for version tracking are OK.
AllowSubscriptionsFrom<ParentOrSiblings>,
),
UniversalLocation,
ConstU32<8>,
>,
),
>,
>;
pub struct XcmConfig;
@@ -263,12 +265,12 @@ pub type LocalOriginToLocation = SignedToAccountId32<RuntimeOrigin, AccountId, R
/// The means for routing XCM messages which are not for local execution into the right message
/// queues.
pub type XcmRouter = (
pub type XcmRouter = WithUniqueTopic<(
// Two routers - use UMP to communicate with the relay chain:
cumulus_primitives_utility::ParentAsUmp<ParachainSystem, PolkadotXcm, ()>,
// ..and XCMP to communicate with the sibling chains.
XcmpQueue,
);
)>;
#[cfg(feature = "runtime-benchmarks")]
parameter_types! {