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allow governance body on parachain to have sovereign account #1291

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merged 3 commits into from
Sep 19, 2023
Merged

allow governance body on parachain to have sovereign account #1291

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5048e16
allow governance body on parachain to have sovereign account
xlc Aug 29, 2023
444abe4
Merge branch 'master' into body-sovereign-account
xlc Sep 14, 2023
360f590
Merge remote-tracking branch 'upstream/master' into body-sovereign-ac…
xlc Sep 19, 2023
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11 changes: 7 additions & 4 deletions polkadot/runtime/kusama/src/xcm_config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -37,10 +37,11 @@ use xcm::latest::prelude::*;
use xcm_builder::{
AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowKnownQueryResponses,
AllowSubscriptionsFrom, AllowTopLevelPaidExecutionFrom, ChildParachainAsNative,
ChildParachainConvertsVia, CurrencyAdapter as XcmCurrencyAdapter, IsChildSystemParachain,
IsConcrete, MintLocation, OriginToPluralityVoice, SignedAccountId32AsNative,
SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit, TrailingSetTopicAsId,
UsingComponents, WeightInfoBounds, WithComputedOrigin, WithUniqueTopic,
ChildParachainConvertsVia, CurrencyAdapter as XcmCurrencyAdapter, DescribeBodyTerminal,
DescribeFamily, HashedDescription, IsChildSystemParachain, IsConcrete, MintLocation,
OriginToPluralityVoice, SignedAccountId32AsNative, SignedToAccountId32,
SovereignSignedViaLocation, TakeWeightCredit, TrailingSetTopicAsId, UsingComponents,
WeightInfoBounds, WithComputedOrigin, WithUniqueTopic,
};

parameter_types! {
Expand All @@ -67,6 +68,8 @@ pub type SovereignAccountOf = (
ChildParachainConvertsVia<ParaId, AccountId>,
// We can directly alias an `AccountId32` into a local account.
AccountId32Aliases<ThisNetwork, AccountId>,
// Allow governance body to be used as a sovereign account.
HashedDescription<AccountId, DescribeFamily<DescribeBodyTerminal>>,
);

/// Our asset transactor. This is what allows us to interest with the runtime facilities from the
Expand Down
10 changes: 6 additions & 4 deletions polkadot/runtime/polkadot/src/xcm_config.rs
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Expand Up @@ -40,10 +40,10 @@ use xcm::latest::prelude::*;
use xcm_builder::{
AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowKnownQueryResponses,
AllowSubscriptionsFrom, AllowTopLevelPaidExecutionFrom, ChildParachainAsNative,
ChildParachainConvertsVia, CurrencyAdapter as XcmCurrencyAdapter, IsConcrete, MintLocation,
OriginToPluralityVoice, SignedAccountId32AsNative, SignedToAccountId32,
SovereignSignedViaLocation, TakeWeightCredit, TrailingSetTopicAsId, UsingComponents,
WeightInfoBounds, WithComputedOrigin, WithUniqueTopic,
ChildParachainConvertsVia, CurrencyAdapter as XcmCurrencyAdapter, DescribeBodyTerminal,
DescribeFamily, HashedDescription, IsConcrete, MintLocation, OriginToPluralityVoice,
SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit,
TrailingSetTopicAsId, UsingComponents, WeightInfoBounds, WithComputedOrigin, WithUniqueTopic,
};

parameter_types! {
Expand All @@ -68,6 +68,8 @@ pub type SovereignAccountOf = (
ChildParachainConvertsVia<ParaId, AccountId>,
// We can directly alias an `AccountId32` into a local account.
AccountId32Aliases<ThisNetwork, AccountId>,
// Allow governance body to be used as a sovereign account.
HashedDescription<AccountId, DescribeFamily<DescribeBodyTerminal>>,
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@mustermeiszer here

);

/// Our asset transactor. This is what allows us to interact with the runtime assets from the point
Expand Down
19 changes: 13 additions & 6 deletions polkadot/runtime/rococo/src/xcm_config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -36,10 +36,11 @@ use xcm::latest::prelude::*;
use xcm_builder::{
AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowKnownQueryResponses,
AllowSubscriptionsFrom, AllowTopLevelPaidExecutionFrom, ChildParachainAsNative,
ChildParachainConvertsVia, CurrencyAdapter as XcmCurrencyAdapter, FixedWeightBounds,
IsChildSystemParachain, IsConcrete, MintLocation, SignedAccountId32AsNative,
SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit, TrailingSetTopicAsId,
UsingComponents, WeightInfoBounds, WithComputedOrigin, WithUniqueTopic,
ChildParachainConvertsVia, CurrencyAdapter as XcmCurrencyAdapter, DescribeBodyTerminal,
DescribeFamily, FixedWeightBounds, HashedDescription, IsChildSystemParachain, IsConcrete,
MintLocation, SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation,
TakeWeightCredit, TrailingSetTopicAsId, UsingComponents, WeightInfoBounds, WithComputedOrigin,
WithUniqueTopic,
};
use xcm_executor::XcmExecutor;

Expand All @@ -51,8 +52,14 @@ parameter_types! {
pub LocalCheckAccount: (AccountId, MintLocation) = (CheckAccount::get(), MintLocation::Local);
}

pub type LocationConverter =
(ChildParachainConvertsVia<ParaId, AccountId>, AccountId32Aliases<ThisNetwork, AccountId>);
pub type LocationConverter = (
// We can convert a child parachain using the standard `AccountId` conversion.
ChildParachainConvertsVia<ParaId, AccountId>,
// We can directly alias an `AccountId32` into a local account.
AccountId32Aliases<ThisNetwork, AccountId>,
// Allow governance body to be used as a sovereign account.
HashedDescription<AccountId, DescribeFamily<DescribeBodyTerminal>>,
);

/// Our asset transactor. This is what allows us to interest with the runtime facilities from the
/// point of view of XCM-only concepts like `MultiLocation` and `MultiAsset`.
Expand Down
18 changes: 12 additions & 6 deletions polkadot/runtime/westend/src/xcm_config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -35,10 +35,10 @@ use xcm::latest::prelude::*;
use xcm_builder::{
AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowKnownQueryResponses,
AllowSubscriptionsFrom, AllowTopLevelPaidExecutionFrom, ChildParachainAsNative,
ChildParachainConvertsVia, CurrencyAdapter as XcmCurrencyAdapter, IsChildSystemParachain,
IsConcrete, MintLocation, SignedAccountId32AsNative, SignedToAccountId32,
SovereignSignedViaLocation, TakeWeightCredit, TrailingSetTopicAsId, UsingComponents,
WeightInfoBounds, WithComputedOrigin, WithUniqueTopic,
ChildParachainConvertsVia, CurrencyAdapter as XcmCurrencyAdapter, DescribeBodyTerminal,
DescribeFamily, HashedDescription, IsChildSystemParachain, IsConcrete, MintLocation,
SignedAccountId32AsNative, SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit,
TrailingSetTopicAsId, UsingComponents, WeightInfoBounds, WithComputedOrigin, WithUniqueTopic,
};
use xcm_executor::XcmExecutor;

Expand All @@ -54,8 +54,14 @@ parameter_types! {
pub const BaseDeliveryFee: u128 = CENTS.saturating_mul(3);
}

pub type LocationConverter =
(ChildParachainConvertsVia<ParaId, AccountId>, AccountId32Aliases<ThisNetwork, AccountId>);
pub type LocationConverter = (
// We can convert a child parachain using the standard `AccountId` conversion.
ChildParachainConvertsVia<ParaId, AccountId>,
// We can directly alias an `AccountId32` into a local account.
AccountId32Aliases<ThisNetwork, AccountId>,
// Allow governance body to be used as a sovereign account.
HashedDescription<AccountId, DescribeFamily<DescribeBodyTerminal>>,
);

pub type LocalAssetTransactor = XcmCurrencyAdapter<
// Use this currency:
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4 changes: 2 additions & 2 deletions polkadot/xcm/xcm-builder/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,8 @@ pub use location_conversion::ForeignChainAliasAccount;
pub use location_conversion::{
Account32Hash, AccountId32Aliases, AccountKey20Aliases, AliasesIntoAccountId32,
ChildParachainConvertsVia, DescribeAccountId32Terminal, DescribeAccountIdTerminal,
DescribeAccountKey20Terminal, DescribeAllTerminal, DescribeFamily, DescribeLocation,
DescribePalletTerminal, DescribeTerminus, GlobalConsensusConvertsFor,
DescribeAccountKey20Terminal, DescribeAllTerminal, DescribeBodyTerminal, DescribeFamily,
DescribeLocation, DescribePalletTerminal, DescribeTerminus, GlobalConsensusConvertsFor,
GlobalConsensusParachainConvertsFor, HashedDescription, ParentIsPreset,
SiblingParachainConvertsVia,
};
Expand Down
11 changes: 11 additions & 0 deletions polkadot/xcm/xcm-builder/src/location_conversion.rs
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Expand Up @@ -86,11 +86,22 @@ impl DescribeLocation for DescribeAccountKey20Terminal {

pub type DescribeAccountIdTerminal = (DescribeAccountId32Terminal, DescribeAccountKey20Terminal);

pub struct DescribeBodyTerminal;
impl DescribeLocation for DescribeBodyTerminal {
fn describe_location(l: &MultiLocation) -> Option<Vec<u8>> {
match (l.parents, &l.interior) {
(0, X1(Plurality { id, part })) => Some((b"Body", id, part).encode()),
_ => return None,
}
}
}

pub type DescribeAllTerminal = (
DescribeTerminus,
DescribePalletTerminal,
DescribeAccountId32Terminal,
DescribeAccountKey20Terminal,
DescribeBodyTerminal,
);

pub struct DescribeFamily<DescribeInterior>(PhantomData<DescribeInterior>);
Expand Down
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