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polkadot chains: allow arbitrary XCM execution #345

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Merged
fellowship-merge-bot merged 4 commits into from
Jun 24, 2024
Merged

polkadot chains: allow arbitrary XCM execution #345

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a0dc9f9
polkadot chains: allow arbitrary XCM execution
acatangiu Jun 7, 2024
a45ec4d
Merge branch 'main' of github.com:polkadot-fellows/runtimes into exec…
acatangiu Jun 17, 2024
6844228
add changelog
acatangiu Jun 17, 2024
4dd3a58
Merge branch 'main' into execute-arbitrary-xcm-polkadot
bkchr Jun 24, 2024
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2 changes: 1 addition & 1 deletion relay/kusama/src/xcm_config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -216,7 +216,7 @@ impl xcm_executor::Config for XcmConfig {
WaivedLocations,
XcmFeeToAccount<Self::AssetTransactor, AccountId, TreasuryAccount>,
>;
// No bridges yet...
// No bridges on the Relay Chain
type MessageExporter = ();
type UniversalAliases = Nothing;
type CallDispatcher = RuntimeCall;
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7 changes: 3 additions & 4 deletions relay/polkadot/src/xcm_config.rs
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Expand Up @@ -229,7 +229,7 @@ impl xcm_executor::Config for XcmConfig {
WaivedLocations,
XcmFeeToAccount<Self::AssetTransactor, AccountId, TreasuryAccount>,
>;
// No bridges yet...
// No bridges on the Relay Chain
type MessageExporter = ();
type UniversalAliases = Nothing;
type CallDispatcher = RuntimeCall;
Expand Down Expand Up @@ -291,10 +291,9 @@ impl pallet_xcm::Config for Runtime {
// messages.
type SendXcmOrigin = xcm_builder::EnsureXcmOrigin<RuntimeOrigin, LocalPalletOriginToLocation>;
type XcmRouter = XcmRouter;
// Anyone can execute XCM messages locally...
// Anyone can execute XCM messages locally.
type ExecuteXcmOrigin = xcm_builder::EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
// ...but they must match our filter, which rejects all.
type XcmExecuteFilter = Nothing; // == Deny All
type XcmExecuteFilter = Everything;
type XcmExecutor = xcm_executor::XcmExecutor<XcmConfig>;
type XcmTeleportFilter = Everything; // == Allow All
type XcmReserveTransferFilter = Everything; // == Allow All
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6 changes: 2 additions & 4 deletions system-parachains/asset-hubs/asset-hub-polkadot/src/xcm_config.rs
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Expand Up @@ -486,11 +486,9 @@ impl pallet_xcm::Config for Runtime {
// We want to disallow users sending (arbitrary) XCMs from this chain.
type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;
type XcmRouter = XcmRouter;
// We support local origins dispatching XCM executions in principle...
// Anyone can execute XCM messages locally.
type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
// ... but disallow generic XCM execution. As a result only teleports and reserve transfers are
// allowed.
type XcmExecuteFilter = Nothing;
type XcmExecuteFilter = Everything;
type XcmExecutor = XcmExecutor<XcmConfig>;
type XcmTeleportFilter = Everything;
type XcmReserveTransferFilter = Everything;
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5 changes: 2 additions & 3 deletions system-parachains/bridge-hubs/bridge-hub-polkadot/src/xcm_config.rs
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Expand Up @@ -264,10 +264,9 @@ impl pallet_xcm::Config for Runtime {
// We want to disallow users sending (arbitrary) XCMs from this chain.
type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, ()>;
type XcmRouter = XcmRouter;
// We support local origins dispatching XCM executions in principle...
// Anyone can execute XCM messages locally.
type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
// ... but disallow generic XCM execution. As a result only teleports are allowed.
type XcmExecuteFilter = Nothing;
type XcmExecuteFilter = Everything;
type XcmExecutor = XcmExecutor<XcmConfig>;
type XcmTeleportFilter = Everything;
type XcmReserveTransferFilter = Nothing; // This parachain is not meant as a reserve location.
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5 changes: 2 additions & 3 deletions system-parachains/collectives/collectives-polkadot/src/xcm_config.rs
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Expand Up @@ -259,10 +259,9 @@ impl pallet_xcm::Config for Runtime {
// We only allow the Fellows to send messages.
type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, FellowsToPlurality>;
type XcmRouter = XcmRouter;
// We support local origins dispatching XCM executions in principle...
// Anyone can execute XCM messages locally.
type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
// ... but disallow generic XCM execution. As a result only teleports are allowed.
type XcmExecuteFilter = Nothing;
type XcmExecuteFilter = Everything;
type XcmExecutor = XcmExecutor<XcmConfig>;
type XcmTeleportFilter = Everything;
type XcmReserveTransferFilter = Nothing; // This parachain is not meant as a reserve location.
Expand Down