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Transactional processing for XCM (#1222)

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Moved from: https://github.com/paritytech/polkadot/pull/6951

closes https://github.com/paritytech/polkadot-sdk/issues/490

- [x] update cumulus

--- 
This PR introduces transactional processing of certain xcm instructions.
For the list of instructions checkout
https://github.com/paritytech/polkadot-sdk/issues/490. The transactional
processing is implemented as an xcm-executor config item. The two
implementations in this PR are `FrameTransactionalProcessor` and `()`.
The `()` implementation does no transactional processing. Each
implementation of the `ProcessTransaction` trait has an
`IS_TRANSACTIONAL` const that tells the XCVM if transactional processing
is actually implemented. If Transactional processing is implemented,
changes to touched registers should also be rolled back to prevent
inconsistencies.


Note for reviewers:
Check out the following safety assumption:
https://github.com/paritytech/polkadot-sdk/pull/1222/files#diff-4effad7d8c1c9de19fd27e18661cbf2128c8718f3b2420a27d2f816e0749ea53R30

---------

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>
Co-authored-by: Francisco Aguirre <franciscoaguirreperez@gmail.com>
Co-authored-by: command-bot <>
This commit is contained in:
Just van Stam
2024-01-24 17:30:27 +01:00
committed by GitHub
parent a78ff7d770
commit 50eb12cf2f
54 changed files with 675 additions and 295 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/xcm/xcm-builder/src/lib.rs
+45 -42
View File
@@ -26,26 +26,6 @@ mod tests;
#[cfg(feature = "std")]
pub mod test_utils;
mod location_conversion;
#[allow(deprecated)]
pub use location_conversion::ForeignChainAliasAccount;
pub use location_conversion::{
Account32Hash, AccountId32Aliases, AccountKey20Aliases, AliasesIntoAccountId32,
ChildParachainConvertsVia, DescribeAccountId32Terminal, DescribeAccountIdTerminal,
DescribeAccountKey20Terminal, DescribeAllTerminal, DescribeBodyTerminal, DescribeFamily,
DescribeLocation, DescribePalletTerminal, DescribeTerminus, DescribeTreasuryVoiceTerminal,
GlobalConsensusConvertsFor, GlobalConsensusParachainConvertsFor, HashedDescription,
LocalTreasuryVoiceConvertsVia, ParentIsPreset, SiblingParachainConvertsVia,
};
mod origin_conversion;
pub use origin_conversion::{
BackingToPlurality, ChildParachainAsNative, ChildSystemParachainAsSuperuser, EnsureXcmOrigin,
OriginToPluralityVoice, ParentAsSuperuser, RelayChainAsNative, SiblingParachainAsNative,
SiblingSystemParachainAsSuperuser, SignedAccountId32AsNative, SignedAccountKey20AsNative,
SignedToAccountId32, SovereignSignedViaLocation,
};
mod asset_conversion;
#[allow(deprecated)]
pub use asset_conversion::ConvertedConcreteAssetId;
@@ -61,8 +41,11 @@ pub use barriers::{
WithComputedOrigin,
};
mod process_xcm_message;
pub use process_xcm_message::ProcessXcmMessage;
mod controller;
pub use controller::{
Controller, ExecuteController, ExecuteControllerWeightInfo, QueryController,
QueryControllerWeightInfo, QueryHandler, SendController, SendControllerWeightInfo,
};
mod currency_adapter;
#[allow(deprecated)]
@@ -73,6 +56,9 @@ pub use fee_handling::{
deposit_or_burn_fee, HandleFee, XcmFeeManagerFromComponents, XcmFeeToAccount,
};
mod filter_asset_location;
pub use filter_asset_location::{AllAssets, Case, LocationWithAssetFilters, NativeAsset};
mod fungible_adapter;
pub use fungible_adapter::{FungibleAdapter, FungibleMutateAdapter, FungibleTransferAdapter};
@@ -82,14 +68,16 @@ pub use fungibles_adapter::{
LocalMint, MintLocation, NoChecking, NonLocalMint,
};
mod nonfungibles_adapter;
pub use nonfungibles_adapter::{
NonFungiblesAdapter, NonFungiblesMutateAdapter, NonFungiblesTransferAdapter,
};
mod weight;
pub use weight::{
FixedRateOfFungible, FixedWeightBounds, TakeRevenue, UsingComponents, WeightInfoBounds,
mod location_conversion;
#[allow(deprecated)]
pub use location_conversion::ForeignChainAliasAccount;
pub use location_conversion::{
Account32Hash, AccountId32Aliases, AccountKey20Aliases, AliasesIntoAccountId32,
ChildParachainConvertsVia, DescribeAccountId32Terminal, DescribeAccountIdTerminal,
DescribeAccountKey20Terminal, DescribeAllTerminal, DescribeBodyTerminal, DescribeFamily,
DescribeLocation, DescribePalletTerminal, DescribeTerminus, DescribeTreasuryVoiceTerminal,
GlobalConsensusConvertsFor, GlobalConsensusParachainConvertsFor, HashedDescription,
LocalTreasuryVoiceConvertsVia, ParentIsPreset, SiblingParachainConvertsVia,
};
mod matches_location;
@@ -101,12 +89,34 @@ pub use matches_token::IsConcrete;
mod matcher;
pub use matcher::{CreateMatcher, MatchXcm, Matcher};
mod filter_asset_location;
pub use filter_asset_location::{AllAssets, Case, LocationWithAssetFilters, NativeAsset};
mod nonfungibles_adapter;
pub use nonfungibles_adapter::{
NonFungiblesAdapter, NonFungiblesMutateAdapter, NonFungiblesTransferAdapter,
};
mod origin_aliases;
pub use origin_aliases::AliasForeignAccountId32;
mod origin_conversion;
pub use origin_conversion::{
BackingToPlurality, ChildParachainAsNative, ChildSystemParachainAsSuperuser, EnsureXcmOrigin,
OriginToPluralityVoice, ParentAsSuperuser, RelayChainAsNative, SiblingParachainAsNative,
SiblingSystemParachainAsSuperuser, SignedAccountId32AsNative, SignedAccountKey20AsNative,
SignedToAccountId32, SovereignSignedViaLocation,
};
mod pay;
pub use pay::{FixedLocation, LocatableAssetId, PayAccountId32OnChainOverXcm, PayOverXcm};
mod process_xcm_message;
pub use process_xcm_message::ProcessXcmMessage;
mod routing;
pub use routing::{WithTopicSource, WithUniqueTopic};
mod transactional;
pub use transactional::FrameTransactionalProcessor;
mod universal_exports;
pub use universal_exports::{
ensure_is_remote, BridgeBlobDispatcher, BridgeMessage, DispatchBlob, DispatchBlobError,
@@ -114,14 +124,7 @@ pub use universal_exports::{
NetworkExportTableItem, SovereignPaidRemoteExporter, UnpaidLocalExporter, UnpaidRemoteExporter,
};
mod origin_aliases;
pub use origin_aliases::AliasForeignAccountId32;
mod pay;
pub use pay::{FixedLocation, LocatableAssetId, PayAccountId32OnChainOverXcm, PayOverXcm};
mod controller;
pub use controller::{
Controller, ExecuteController, ExecuteControllerWeightInfo, QueryController,
QueryControllerWeightInfo, QueryHandler, SendController, SendControllerWeightInfo,
mod weight;
pub use weight::{
FixedRateOfFungible, FixedWeightBounds, TakeRevenue, UsingComponents, WeightInfoBounds,
};