- Feb 02, 2024
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Branislav Kontur authored
## TODO - [x] change constants when CI fails (should fail :) ) ## Result On the AssetHubRococo: 1701175800126 -> 1700929825257 = 0.15 % decreased. ``` # Before ( [xcm] Fix `SovereignPaidRemoteExporter` and `DepositAsset` handling (#3157)) Feb 02 12:59:05.520 ERROR bridges::estimate: `bridging::XcmBridgeHubRouterBaseFee` actual value: 1701175800126 for runtime: statemine-1006000 (statemine-0.tx14.au1) # After Feb 02 13:02:40.647 ERROR bridges::estimate: `bridging::XcmBridgeHubRouterBaseFee` actual value: 1700929825257 for runtime: statemine-1006000 (statemine-0.tx14.au1) ``` On the AssetHubWestend: 2116038876326 -> 1641718372993 = 22.4 % decreased. ``` # Before ( [xcm] Fix `SovereignPaidRemoteExporter` and `DepositAsset` handling (#3157)) Feb 02 12:56:00.880 ERROR bridges::estimate: `bridging::XcmBridgeHubRouterBaseFee` actual value: 2116038876326 for runtime: westmint-1006000 (westmint-0.tx14.au1) # After Feb 02 13:04:42.515 ERROR bridges::estimate: `bridging::XcmBridgeHubRouterBaseFee` actual value: 1641718372993 for runtime: westmint-1006000 (westmint-0.tx14.au1) ```
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- Jan 31, 2024
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Branislav Kontur authored
This PR addresses two issues: - It modifies `DepositAsset`'s asset filter from `All` to `AllCounted(1)` to prevent potentially charging excessive weight/fees. This adjustment avoids situations where fees could be calculated based on the count of assets, as illustrated [here](https://github.com/paritytech/polkadot-sdk/blob/master/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/weights/xcm/mod.rs#L38-L46). - It encapsulates `DepositAsset` with `SetAppendix` to ensure that `fees` are not trapped in any case. For instance, this prevents issues when `ExportXcm::validate` encounters an error during the processing of `ExportMessage`.
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Branislav Kontur authored
[frame] `#[pallet::composite_enum]` improved variant count handling + removed `pallet_balances`'s `MaxHolds` config (#2657) I started this investigation/issue based on @liamaharon question [here](https://github.com/paritytech/polkadot-sdk/pull/1801#discussion_r1410452499). ## Problem The `pallet_balances` integrity test should correctly detect that the runtime has correct distinct `HoldReasons` variant count. I assume the same situation exists for RuntimeFreezeReason. It is not a critical problem, if we set `MaxHolds` with a sufficiently large value, everything should be ok. However, in this case, the integrity_test check becomes less useful. **Situation for "any" runtime:** - `HoldReason` enums from different pallets: ```rust /// from pallet_nis #[pallet::composite_enum] pub enum HoldReason { NftReceipt, } /// from pallet_preimage #[pallet::composite_enum] pub enum HoldReason { Preimage, } // from pallet_state-trie-migration #[pallet::composite_enum] pub enum HoldReason { SlashForContinueMigrate, SlashForMigrateCustomTop, SlashForMigrateCustomChild, } ``` - generated `RuntimeHoldReason` enum looks like: ```rust pub enum RuntimeHoldReason { #[codec(index = 32u8)] Preimage(pallet_preimage::HoldReason), #[codec(index = 38u8)] Nis(pallet_nis::HoldReason), #[codec(index = 42u8)] StateTrieMigration(pallet_state_trie_migration::HoldReason), } ``` - composite enum `RuntimeHoldReason` variant count is detected as `3` - we set `type MaxHolds = ConstU32<3>` - `pallet_balances::integrity_test` is ok with `3`(at least 3) However, the real problem can occur in a live runtime where some functionality might stop working. This is due to a total of 5 distinct hold reasons (for pallets with multi-instance support, it is even more), and not all of them can be used because of an incorrect `MaxHolds`, which is deemed acceptable according to the `integrity_test`: ``` // pseudo-code - if we try to call all of these: T::Currency::hold(&pallet_nis::HoldReason::NftReceipt.into(), &nft_owner, deposit)?; T::Currency::hold(&pallet_preimage::HoldReason::Preimage.into(), &nft_owner, deposit)?; T::Currency::hold(&pallet_state_trie_migration::HoldReason::SlashForContinueMigrate.into(), &nft_owner, deposit)?; // With `type MaxHolds = ConstU32<3>` these two will fail T::Currency::hold(&pallet_state_trie_migration::HoldReason::SlashForMigrateCustomTop.into(), &nft_owner, deposit)?; T::Currency::hold(&pallet_state_trie_migration::HoldReason::SlashForMigrateCustomChild.into(), &nft_owner, deposit)?; ``` ## Solutions A macro `#[pallet::*]` expansion is extended of `VariantCount` implementation for the `#[pallet::composite_enum]` enum type. This expansion generates the `VariantCount` implementation for pallets' `HoldReason`, `FreezeReason`, `LockId`, and `SlashReason`. Enum variants must be plain enum values without fields to ensure a deterministic count. The composite runtime enum, `RuntimeHoldReason` and `RuntimeFreezeReason`, now sets `VariantCount::VARIANT_COUNT` as the sum of pallets' enum `VariantCount::VARIANT_COUNT`: ```rust #[frame_support::pallet(dev_mode)] mod module_single_instance { #[pallet::composite_enum] pub enum HoldReason { ModuleSingleInstanceReason1, ModuleSingleInstanceReason2, } ... } #[frame_support::pallet(dev_mode)] mod module_multi_instance { #[pallet::composite_enum] pub enum HoldReason<I: 'static = ()> { ModuleMultiInstanceReason1, ModuleMultiInstanceReason2, ModuleMultiInstanceReason3, } ... } impl self::sp_api_hidden_includes_construct_runtime::hidden_include::traits::VariantCount for RuntimeHoldReason { const VARIANT_COUNT: u32 = 0 + module_single_instance::HoldReason::VARIANT_COUNT + module_multi_instance::HoldReason::<module_multi_instance::Instance1>::VARIANT_COUNT + module_multi_instance::HoldReason::<module_multi_instance::Instance2>::VARIANT_COUNT + module_multi_instance::HoldReason::<module_multi_instance::Instance3>::VARIANT_COUNT; } ``` In addition, `MaxHolds` is removed (as suggested [here](https://github.com/paritytech/polkadot-sdk/pull/2657#discussion_r1443324573)) from `pallet_balances`, and its `Holds` are now bounded to `RuntimeHoldReason::VARIANT_COUNT`. Therefore, there is no need to let the runtime specify `MaxHolds`. ## For reviewers Relevant changes can be found here: - `substrate/frame/support/procedural/src/lib.rs` - `substrate/frame/support/procedural/src/pallet/parse/composite.rs` - `substrate/frame/support/procedural/src/pallet/expand/composite.rs` - `substrate/frame/support/procedural/src/construct_runtime/expand/composite_helper.rs` - `substrate/frame/support/procedural/src/construct_runtime/expand/hold_reason.rs` - `substrate/frame/support/procedural/src/construct_runtime/expand/freeze_reason.rs` - `substrate/frame/support/src/traits/misc.rs` And the rest of the files is just about removed `MaxHolds` from `pallet_balances` ## Next steps Do the same for `MaxFreezes` https://github.com/paritytech/polkadot-sdk/issues/2997 . --------- Co-authored-by: command-bot <> Co-authored-by:
Bastian Köcher <[email protected]> Co-authored-by:
Dónal Murray <[email protected]> Co-authored-by:
gupnik <[email protected]>
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Branislav Kontur authored
The `parachains-common` contains a lots of constants and type definitions which are used for `polkadot-sdk`'s testnet runtimes and also for `polkadot-fellows`'s production [SP runtimes](https://github.com/polkadot-fellows/runtimes/tree/main/system-parachains/constants). This PR cleans `parachains-common` module to contain only common and generic functionality. Testnet-specific constants have been moved to the separate module dedicated just for testnets: `polkadot-sdk/cumulus/parachains/runtimes/constants/` Part of: https://github.com/paritytech/polkadot-sdk/issues/3054 --------- Co-authored-by:
georgepisaltu <[email protected]>
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- Jan 30, 2024
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Oliver Tale-Yazdi authored
Add `Balances::force_adjust_total_issuance` as preparation for fixing https://github.com/polkadot-fellows/runtimes/issues/147 . Important changes in `substrate/frame/balances/src/lib.rs`. TODO: - [x] Update weights --------- Signed-off-by:
Oliver Tale-Yazdi <[email protected]> Co-authored-by: command-bot <> Co-authored-by:
Bastian Köcher <[email protected]>
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Clara van Staden authored
To deploy https://github.com/paritytech/polkadot-sdk/pull/3029 Co-authored-by: claravanstaden <Cats 4 life!>
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Oliver Tale-Yazdi authored
Reverts paritytech/polkadot-sdk#2302.
🤦 ♂️ should have checked the migration CI first. We either need to reduce the `max_message_size` for the open HRMP channels on the failing chains or increase the `PageSize` of the XCMP queue. Both would be fine on a test-net, but i assume this will also fail before the next SP runtime upgrade so first need to think what best to do. AFAIK its not possible currently to change the `max_message_size` of an open HRMP channel. -
Clara van Staden authored
- Prepares for the Deneb hardfork on Sepolia testnet on 31 January (needs to be deployed to Rococo before then) - Removes `beacon-minimal-spec` flag for simpler config - Adds test comments --------- Co-authored-by:
Ron <[email protected]> Co-authored-by: claravanstaden <Cats 4 life!> Co-authored-by:
Alistair Singh <[email protected]>
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- Jan 29, 2024
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Oliver Tale-Yazdi authored
Remove `without_storage_info` from the XCMP queue pallet. Part of https://github.com/paritytech/polkadot-sdk/issues/323 Changes: - Limit the number of channels that can be suspended at the same time. - Limit the number of channels that can have messages or signals pending at the same time. A No-OP migration is put in place to ensure that all `BoundedVec`s still decode and not truncate after upgrade. The storage version is thereby bumped to 4 to have our tooling remind us to deploy that migration. --------- Signed-off-by:
Oliver Tale-Yazdi <[email protected]> Co-authored-by:
Francisco Aguirre <[email protected]>
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- Jan 26, 2024
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Liam Aharon authored
Related https://github.com/paritytech/polkadot-sdk/issues/3032 --- Using https://github.com/liamaharon/cargo-workspace-version-tools/ `cargo run -- sync --path ../polkadot-sdk` --------- Signed-off-by:
Oliver Tale-Yazdi <[email protected]> Co-authored-by:
Oliver Tale-Yazdi <[email protected]>
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- Jan 24, 2024
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Just van Stam authored
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 <[email protected]> Co-authored-by:
Francisco Aguirre <[email protected]> Co-authored-by: command-bot <>
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Branislav Kontur authored
This PR avoids automatically pulling rococo/westend runtime constants into the runtime by default. Usually, we have testnet runtimes dedicated to rococo or westend, and therefore, we don't need both dependencies. Additionally, it prevents pulling rococo/westend-related items into the `polkadot-fellows` repo, as seen in the Cargo.lock [here](https://github.com/polkadot-fellows/runtimes/blob/main/Cargo.lock#L14137-L14151) and [here](https://github.com/polkadot-fellows/runtimes/blob/main/Cargo.lock#L9756-L9770 ). --------- Co-authored-by:
Adrian Catangiu <[email protected]>
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- Jan 23, 2024
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Branislav Kontur authored
There were several improvements and PRs that didn't apply to all runtimes, so this PR attempts to align those small differences. In addition, the PR eliminates unused dependencies across multiple modules. Relates to PR for `polkadot-fellows`: https://github.com/polkadot-fellows/runtimes/pull/154
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- Jan 22, 2024
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Marcin S. authored
The goal is to move all system chains on Rococo (+ other testnets?) to use async backing. Starting with `asset-hub-rococo` to get feedback, before I do the rest. ## Related Example: https://github.com/paritytech/polkadot-sdk/pull/1619/ Guide: https://github.com/w3f/polkadot-wiki/blob/master/docs/maintain/maintain-guides-async-backing.md --------- Co-authored-by:
Branislav Kontur <[email protected]> Co-authored-by:
Dónal Murray <[email protected]>
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joe petrowski authored
Clean up all the old syntax. --------- Co-authored-by: command-bot <> Co-authored-by:
gupnik <[email protected]> Co-authored-by:
Nikhil Gupta <[email protected]> Co-authored-by:
Maksym H <[email protected]>
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- Jan 19, 2024
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Serban Iorga authored
Update bridges subtree
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- Jan 17, 2024
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Egor_P authored
This PR backports version bumps from release branch `release-polkadot-v1.6.0` back to `master` and also moved `prdoc` files related to the release to the appropriate folder
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- Jan 16, 2024
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Francisco Aguirre authored
# Note for reviewer Most changes are just syntax changes necessary for the new version. Most important files should be the ones under the `xcm` folder. # Description Added XCMv4. ## Removed `Multi` prefix The following types have been renamed: - MultiLocation -> Location - MultiAsset -> Asset - MultiAssets -> Assets - InteriorMultiLocation -> InteriorLocation - MultiAssetFilter -> AssetFilter - VersionedMultiAsset -> VersionedAsset - WildMultiAsset -> WildAsset - VersionedMultiLocation -> VersionedLocation In order to fix a name conflict, the `Assets` in `xcm-executor` were renamed to `HoldingAssets`, as they represent assets in holding. ## Removed `Abstract` asset id It was not being used anywhere and this simplifies the code. Now assets are just constructed as follows: ```rust let asset: Asset = (AssetId(Location::new(1, Here)), 100u128).into(); ``` No need for specifying `Concrete` anymore. ## Outcome is now a named fields struct Instead of ```rust pub enum Outcome { Complete(Weight), Incomplete(Weight, Error), Error(Error), } ``` we now have ```rust pub enum Outcome { Complete { used: Weight }, Incomplete { used: Weight, error: Error }, Error { error: Error }, } ``` ## Added Reanchorable trait Now both locations and assets implement this trait, making it easier to reanchor both. ## New syntax for building locations and junctions Now junctions are built using the following methods: ```rust let location = Location { parents: 1, interior: [Parachain(1000), PalletInstance(50), GeneralIndex(1984)].into() }; ``` or ```rust let location = Location::new(1, [Parachain(1000), PalletInstance(50), GeneralIndex(1984)]); ``` And they are matched like so: ```rust match location.unpack() { (1, [Parachain(id)]) => ... (0, Here) => ..., (1, [_]) => ..., } ``` This syntax is mandatory in v4, and has been also implemented for v2 and v3 for easier migration. This was needed to make all sizes smaller. # TODO - [x] Scaffold v4 - [x] Port github.com/paritytech/polkadot/pull/7236 - [x] Remove `Multi` prefix - [x] Remove `Abstract` asset id --------- Co-authored-by: command-bot <> Co-authored-by:
Keith Yeung <[email protected]>
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- Jan 10, 2024
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Clara van Staden authored
- updates snowbridge crates to `0.9.0` - updates Cargo.toml files in preparation for publishing to crates.io - adds Kusama and Polkadot Snowbridge runtime config crates - moves runtime tests from the Snowbridge subtree into the bridge hub tests dir --------- Co-authored-by: claravanstaden <Cats 4 life!> Co-authored-by:
Ron <[email protected]>
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- Jan 09, 2024
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Clara van Staden authored
- Includes the introduction of the `fast-runtime` feature, which cleans up our features - Updates beacon client fork versions config to Sepolia's versions - Cleanup of AgentIdOf --------- Co-authored-by:
Ron <[email protected]> Co-authored-by: claravanstaden <Cats 4 life!>
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- Jan 07, 2024
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dependabot[bot] authored
Bumps the known_good_semver group with 4 updates: [serde](https://github.com/serde-rs/serde), [serde_json](https://github.com/serde-rs/json), [clap](https://github.com/clap-rs/clap) and [syn](https://github.com/dtolnay/syn). Updates `serde` from 1.0.194 to 1.0.195 <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/serde-rs/serde/releases">serde's releases</a>.</em></p> <blockquote> <h2>v1.0.195</h2> <ul> <li>Prevent remote definitions of tuple struct or tuple variant from triggering dead_code warning (<a href="https://redirect.github.com/serde-rs/serde/issues/2671">#2671</a>)</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/serde-rs/serde/commit/03eec42c3313b36da416be1486e9ecac345784d5"><code>03eec42</code></a> Release 1.0.195</li> <li><a href="https://github.com/serde-rs/serde/commit/196f311ae2fd8ad94fe38a57830419859a4d3dbb"><code>196f311</code></a> Merge pull request <a href="https://redirect.github.com/serde-rs/serde/issues/2671">#2671</a> from dtolnay/deadremote</li> <li><a href="https://github.com/serde-rs/serde/commit/38d9e0b2091e9b6150486c2c37367819b86bcc39"><code>38d9e0b</code></a> Revert "Add FIXME to fix dead_code warning when using serde(remote)"</li> <li><a href="https://github.com/serde-rs/serde/commit/6502b3131697eff6420786ad71f87f29cfff3a13"><code>6502b31</code></a> Fix new dead_code warning in tuple struct and tuple variant remote defs</li> <li><a href="https://github.com/serde-rs/serde/commit/6f1a8c3115c8d2502178c25d610fbaee2e82c46b"><code>6f1a8c3</code></a> Add FIXME to fix dead_code warning when using serde(remote)</li> <li><a href="https://github.com/serde-rs/serde/commit/d883c94cc9fe72d0512dc7f4def7191a401595c9"><code>d883c94</code></a> Work around dead_code warning in tests</li> <li><a href="https://github.com/serde-rs/serde/commit/961fa59a7469c5b5e323b9723323df412048d60d"><code>961fa59</code></a> Merge pull request <a href="https://redirect.github.com/serde-rs/serde/issues/2670">#2670</a> from serde-rs/exhaustive</li> <li><a href="https://github.com/serde-rs/serde/commit/8bc71def551df190e6817d3311e5c76f751f53e6"><code>8bc71de</code></a> Fill in omitted patterns for GenericArguments match</li> <li><a href="https://github.com/serde-rs/serde/commit/7c65a9dc0eab2d4d829b258a7b3549351bbe8dcd"><code>7c65a9d</code></a> Pick up changes to non_exhaustive_omitted_patterns lint</li> <li>See full diff in <a href="https://github.com/serde-rs/serde/compare/v1.0.194...v1.0.195">compare view</a></li> </ul> </details> <br /> Updates `serde_json` from 1.0.110 to 1.0.111 <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/serde-rs/json/releases">serde_json's releases</a>.</em></p> <blockquote> <h2>v1.0.111</h2> <ul> <li>Improve floating point parsing performance on loongarch64 (<a href="https://redirect.github.com/serde-rs/json/issues/1100">#1100</a>, thanks <a href="https://github.com/heiher"><code>@heiher</code></a>)</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/serde-rs/json/commit/0131ac68212e8094bd14ee618587d731b4f9a68b"><code>0131ac6</code></a> Release 1.0.111</li> <li><a href="https://github.com/serde-rs/json/commit/96ecfadd3f7dd6366a2d07a098e228d15df93cb4"><code>96ecfad</code></a> Merge pull request <a href="https://redirect.github.com/serde-rs/json/issues/1100">#1100</a> from heiher/limb-64-la64</li> <li><a href="https://github.com/serde-rs/json/commit/c80dbaf8ff5902ca670e0a48bbe495065b9314f5"><code>c80dbaf</code></a> Set limb width to 64 for loongarch64</li> <li>See full diff in <a href="https://github.com/serde-rs/json/compare/v1.0.110...v1.0.111">compare view</a></li> </ul> </details> <br /> Updates `clap` from 4.4.12 to 4.4.13 <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/clap-rs/clap/releases">clap's releases</a>.</em></p> <blockquote> <h2>v4.4.13</h2> <h2>[4.4.13] - 2024-01-04</h2> <h3>Documentation</h3> <ul> <li>Fix link to structopt migration guide</li> </ul> </blockquote> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/clap-rs/clap/blob/master/CHANGELOG.md">clap's changelog</a>.</em></p> <blockquote> <h2>[4.4.13] - 2024-01-04</h2> <h3>Documentation</h3> <ul> <li>Fix link to structopt migration guide</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/clap-rs/clap/commit/2ab48b295c2463ce8c141a9868095b811ccf3b99"><code>2ab48b2</code></a> chore: Release</li> <li><a href="https://github.com/clap-rs/clap/commit/7a06a8cd619db704c6d826bf752eae3b86ce23a8"><code>7a06a8c</code></a> docs: Update changelog</li> <li><a href="https://github.com/clap-rs/clap/commit/cca190efedf40f48147a3a4a777a9cc17728abdf"><code>cca190e</code></a> docs: Correct link to StructOpt migration guide</li> <li><a href="https://github.com/clap-rs/clap/commit/5c31f453c1a9f46109db8e0a47ed212748c0556c"><code>5c31f45</code></a> Merge pull request <a href="https://redirect.github.com/clap-rs/clap/issues/5281">#5281</a> from Manishearth/safety-docs</li> <li><a href="https://github.com/clap-rs/clap/commit/ddae7e6f411c4c87294212152b8d9beea16637e7"><code>ddae7e6</code></a> Correct safety docs</li> <li><a href="https://github.com/clap-rs/clap/commit/48d28aa689bfd0fb44ec025244b30ba261e2515a"><code>48d28aa</code></a> chore: Release</li> <li><a href="https://github.com/clap-rs/clap/commit/748ce18cc2ccc3f7c07fa8b7c5b6f90ed9242b72"><code>748ce18</code></a> docs: Update changelog</li> <li><a href="https://github.com/clap-rs/clap/commit/adbe6ec4cb6a617070c41927a389d0bea7b30936"><code>adbe6ec</code></a> Merge pull request <a href="https://redirect.github.com/clap-rs/clap/issues/5278">#5278</a> from henry-hsieh/fix-nosort</li> <li><a href="https://github.com/clap-rs/clap/commit/2b48858ba84c62e9af97bee4734d70530254cd8a"><code>2b48858</code></a> fix: Skip nosort option below bash 4.4</li> <li><a href="https://github.com/clap-rs/clap/commit/777b744102cde324dc75534ef043efc15a9f40be"><code>777b744</code></a> Merge pull request <a href="https://redirect.github.com/clap-rs/clap/issues/5277">#5277</a> from clap-rs/renovate/actions-setup-python-5.x</li> <li>Additional commits viewable in <a href="https://github.com/clap-rs/clap/compare/v4.4.12...v4.4.13">compare view</a></li> </ul> </details> <br /> Updates `syn` from 2.0.47 to 2.0.48 <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/dtolnay/syn/releases">syn's releases</a>.</em></p> <blockquote> <h2>2.0.48</h2> <ul> <li>Improve error message on unexpected token after <code>else</code> (<a href="https://redirect.github.com/dtolnay/syn/issues/1578">#1578</a>)</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/dtolnay/syn/commit/5e16fc24e68b16a381cb7ef22455dba9db143083"><code>5e16fc2</code></a> Release 2.0.48</li> <li><a href="https://github.com/dtolnay/syn/commit/dc40084b15ab4a443179fc39cbadac6452408838"><code>dc40084</code></a> Merge pull request <a href="https://redirect.github.com/dtolnay/syn/issues/1578">#1578</a> from dtolnay/elseblock</li> <li><a href="https://github.com/dtolnay/syn/commit/82fcefce69d36e78301936c5af91f005d6a24357"><code>82fcefc</code></a> Fix error message on unexpected token after 'else'</li> <li><a href="https://github.com/dtolnay/syn/commit/e8a5c68ad45194e575a923f6b1e08f1817196331"><code>e8a5c68</code></a> Merge pull request <a href="https://redirect.github.com/dtolnay/syn/issues/1576">#1576</a> from dtolnay/exhaustive</li> <li><a href="https://github.com/dtolnay/syn/commit/97b1df6d935cb4801f4090782304577c8574d024"><code>97b1df6</code></a> Pick up changes to non_exhaustive_omitted_patterns lint</li> <li>See full diff in <a href="https://github.com/dtolnay/syn/compare/2.0.47...2.0.48 ">compare view</a></li> </ul> </details> <br /> Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot show <dependency name> ignore conditions` will show all of the ignore conditions of the specified dependency - `@dependabot ignore <dependency name> major version` will close this group update PR and stop Dependabot creating any more for the specific dependency's major version (unless you unignore this specific dependency's major version or upgrade to it yourself) - `@dependabot ignore <dependency name> minor version` will close this group update PR and stop Dependabot creating any more for the specific dependency's minor version (unless you unignore this specific dependency's minor version or upgrade to it yourself) - `@dependabot ignore <dependency name>` will close this group update PR and stop Dependabot creating any more for the specific dependency (unless you unignore this specific dependency or upgrade to it yourself) - `@dependabot unignore <dependency name>` will remove all of the ignore conditions of the specified dependency - `@dependabot unignore <dependency name> <ignore condition>` will remove the ignore condition of the specified dependency and ignore conditions </details> Signed-off-by:
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- Jan 04, 2024
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dependabot[bot] authored
Bumps the known_good_semver group with 4 updates: [serde](https://github.com/serde-rs/serde), [serde_json](https://github.com/serde-rs/json), [clap](https://github.com/clap-rs/clap) and [serde_yaml](https://github.com/dtolnay/serde-yaml). Updates `serde` from 1.0.193 to 1.0.194 <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/serde-rs/serde/releases">serde's releases</a>.</em></p> <blockquote> <h2>v1.0.194</h2> <ul> <li>Update proc-macro2 to fix caching issue when using a rustc-wrapper such as sccache</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/serde-rs/serde/commit/d2d977a6c6dcff237ae956336d18b0c900c61aad"><code>d2d977a</code></a> Release 1.0.194</li> <li><a href="https://github.com/serde-rs/serde/commit/a9a6ee9d7f2e3a3306ad7c7a8f21dcf369c6acb7"><code>a9a6ee9</code></a> Pull in proc-macro2 sccache fix</li> <li><a href="https://github.com/serde-rs/serde/commit/28c5d215c11b66368b725f04cb92e49e4350bcdc"><code>28c5d21</code></a> Merge pull request <a href="https://redirect.github.com/serde-rs/serde/issues/2669">#2669</a> from dtolnay/optionifletelse</li> <li><a href="https://github.com/serde-rs/serde/commit/3d6a789562579fb7ea783e0d7f35530914d8baca"><code>3d6a789</code></a> Remove option_if_let_else clippy suppression</li> <li><a href="https://github.com/serde-rs/serde/commit/a0e68698e33fa928f1d9f208d68b17df9f8bb568"><code>a0e6869</code></a> Work around doc_link_with_quotes pedantic clippy lint</li> <li>See full diff in <a href="https://github.com/serde-rs/serde/compare/v1.0.193...v1.0.194">compare view</a></li> </ul> </details> <br /> Updates `serde_json` from 1.0.108 to 1.0.110 <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/serde-rs/json/releases">serde_json's releases</a>.</em></p> <blockquote> <h2>v1.0.109</h2> <ul> <li>Documentation improvements</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/serde-rs/json/commit/df5cf215b70fb6341b255e7c0a210c06f64c0669"><code>df5cf21</code></a> Release 1.0.110</li> <li><a href="https://github.com/serde-rs/json/commit/c35856a93c37b48b3d6efc4fec8e05554dd3f9d5"><code>c35856a</code></a> Pull in proc-macro2 sccache fix</li> <li><a href="https://github.com/serde-rs/json/commit/f88bf1fccb05aa4de129675de44eb6aaf3fec0a0"><code>f88bf1f</code></a> Release 1.0.109</li> <li><a href="https://github.com/serde-rs/json/commit/bb62c73ecef901e689b0a7a67ed613a32975520c"><code>bb62c73</code></a> Merge pull request <a href="https://redirect.github.com/serde-rs/json/issues/1097">#1097</a> from serde-rs/doccfg</li> <li><a href="https://github.com/serde-rs/json/commit/df36d109fd9f9cdd22a874c0177cafec12237f95"><code>df36d10</code></a> Restore doc cfg on re-exports</li> <li><a href="https://github.com/serde-rs/json/commit/c3670913423329c166add9d85ecdfc3e3da21e7a"><code>c367091</code></a> Merge pull request <a href="https://redirect.github.com/serde-rs/json/issues/1095">#1095</a> from dtolnay/hashtest</li> <li><a href="https://github.com/serde-rs/json/commit/b328ee7df4dd772922f084600aa7cea39218b694"><code>b328ee7</code></a> Eliminate hash closure in favor of calling hash_one directly</li> <li><a href="https://github.com/serde-rs/json/commit/b9bcbad3c094042f79f1a45189ec0edbb8f9f322"><code>b9bcbad</code></a> Use BuildHasher::hash_one</li> <li><a href="https://github.com/serde-rs/json/commit/7ff6c9e30c2ecc2cdcf089ed86c7ccfe7a41721c"><code>7ff6c9e</code></a> Use random hasher state for number hashing test</li> <li><a href="https://github.com/serde-rs/json/commit/fe031cd1de4dde5b47e0f18934632b41bd18b48d"><code>fe031cd</code></a> Delete trace_macros! functionality from test</li> <li>Additional commits viewable in <a href="https://github.com/serde-rs/json/compare/v1.0.108...v1.0.110">compare view</a></li> </ul> </details> <br /> Updates `clap` from 4.4.11 to 4.4.12 <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/clap-rs/clap/releases">clap's releases</a>.</em></p> <blockquote> <h2>v4.4.12</h2> <h2>[4.4.12] - 2023-12-28</h2> <h3>Performance</h3> <ul> <li>Only ask <code>TypedValueParser</code> for possible values if needed</li> </ul> </blockquote> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/clap-rs/clap/blob/master/CHANGELOG.md">clap's changelog</a>.</em></p> <blockquote> <h2>[4.4.12] - 2023-12-28</h2> <h3>Performance</h3> <ul> <li>Only ask <code>TypedValueParser</code> for possible values if needed</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/clap-rs/clap/commit/6d601e6f312857d78f47741268f1748840484d4a"><code>6d601e6</code></a> chore: Release</li> <li><a href="https://github.com/clap-rs/clap/commit/048e7f0fbc4f8108894e4307af768c8d332a0576"><code>048e7f0</code></a> docs: Update changelog</li> <li><a href="https://github.com/clap-rs/clap/commit/53f5b820988c1c03f0d2696fc144857ad461edc1"><code>53f5b82</code></a> Merge pull request <a href="https://redirect.github.com/clap-rs/clap/issues/5267">#5267</a> from vermiculus/sa/avoid-pv-expansion-in-help</li> <li><a href="https://github.com/clap-rs/clap/commit/05cd057978db743a65fb5fde33213af752d064e7"><code>05cd057</code></a> perf: Avoid retrieving possible_values unless used</li> <li><a href="https://github.com/clap-rs/clap/commit/29208083b0598ba7d1b80e79821c0ba3eb2342ce"><code>2920808</code></a> test: Update snapshots</li> <li><a href="https://github.com/clap-rs/clap/commit/28763ebb6d8714f6ca588bf477729040e0e760b0"><code>28763eb</code></a> chore: Release</li> <li><a href="https://github.com/clap-rs/clap/commit/ace7bb5b4570b030f7c2d0fa91e0afaaac1b0030"><code>ace7bb5</code></a> docs(complete): Update changelog</li> <li><a href="https://github.com/clap-rs/clap/commit/76beca4d4d42a817bbb578f23553c64ded2aea97"><code>76beca4</code></a> docs(complete): Polish API reference for dynamic</li> <li><a href="https://github.com/clap-rs/clap/commit/3630e582d3ec59912b8e9369c38687695ddb1f43"><code>3630e58</code></a> Merge pull request <a href="https://redirect.github.com/clap-rs/clap/issues/5273">#5273</a> from epage/docsrs</li> <li><a href="https://github.com/clap-rs/clap/commit/3724b9e2e4c2a2e69337b6d809949b246d3fef39"><code>3724b9e</code></a> docs: Include more content on docs.rs</li> <li>See full diff in <a href="https://github.com/clap-rs/clap/compare/v4.4.11...v4.4.12">compare view</a></li> </ul> </details> <br /> Updates `serde_yaml` from 0.9.29 to 0.9.30 <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/dtolnay/serde-yaml/releases">serde_yaml's releases</a>.</em></p> <blockquote> <h2>0.9.30</h2> <ul> <li>Update proc-macro2 to fix caching issue when using a rustc-wrapper such as sccache</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/dtolnay/serde-yaml/commit/09ee25156f608f95150b27edd120bd5471db3c64"><code>09ee251</code></a> Release 0.9.30</li> <li><a href="https://github.com/dtolnay/serde-yaml/commit/caea939ece85ab54ac41de0672d683905f1e406a"><code>caea939</code></a> Pull in proc-macro2 sccache fix</li> <li><a href="https://github.com/dtolnay/serde-yaml/commit/d255918c141fd72d01f169bb5aa0152234981699"><code>d255918</code></a> Merge pull request <a href="https://redirect.github.com/dtolnay/serde-yaml/issues/403">#403</a> from dtolnay/optionifletelse</li> <li><a href="https://github.com/dtolnay/serde-yaml/commit/8cfeedd766f83dab24d03b9fb11b72886a247425"><code>8cfeedd</code></a> Remove option_if_let_else clippy suppression</li> <li>See full diff in <a href="https://github.com/dtolnay/serde-yaml/compare/0.9.29...0.9.30 ">compare view</a></li> </ul> </details> <br /> Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot show <dependency name> ignore conditions` will show all of the ignore conditions of the specified dependency - `@dependabot ignore <dependency name> major version` will close this group update PR and stop Dependabot creating any more for the specific dependency's major version (unless you unignore this specific dependency's major version or upgrade to it yourself) - `@dependabot ignore <dependency name> minor version` will close this group update PR and stop Dependabot creating any more for the specific dependency's minor version (unless you unignore this specific dependency's minor version or upgrade to it yourself) - `@dependabot ignore <dependency name>` will close this group update PR and stop Dependabot creating any more for the specific dependency (unless you unignore this specific dependency or upgrade to it yourself) - `@dependabot unignore <dependency name>` will remove all of the ignore conditions of the specified dependency - `@dependabot unignore <dependency name> <ignore condition>` will remove the ignore condition of the specified dependency and ignore conditions </details> Signed-off-by:
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- Dec 22, 2023
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joe petrowski authored
- Updates all safe call filters to allow `system::authorize_upgrade`. - Updates Coretime safe call filter to allow `sudo` and `system_set_storage`. - Update Coretime teleports to allow teleportation with other system chains. --------- Co-authored-by:
Bastian Köcher <[email protected]>
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Branislav Kontur authored
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- Dec 21, 2023
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Alejandro Martinez Andres authored
After merging https://github.com/paritytech/polkadot-sdk/pull/2522 asset-hub-rococo and bridge-hub-rococo runtime versions need to be bumped for their deployment. --------- Co-authored-by:
joe petrowski <[email protected]>
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Svyatoslav Nikolsky authored
related to https://github.com/paritytech/parity-bridges-common/issues/2739
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Clara van Staden authored
# Description Adds Snowbridge to the Rococo bridge hub runtime. Includes config changes required in Rococo asset hub. --------- Co-authored-by:
Alistair Singh <[email protected]> Co-authored-by:
ron <[email protected]> Co-authored-by:
Vincent Geddes <[email protected]> Co-authored-by: claravanstaden <Cats 4 life!>
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Svyatoslav Nikolsky authored
related to https://github.com/paritytech/parity-bridges-common/issues/2739 Co-authored-by:
Branislav Kontur <[email protected]>
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- Dec 20, 2023
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joe petrowski authored
Adds the `authorize_upgrade` -> `enact_authorized_upgrade` pattern to `frame-system`. This will be useful for upgrading bridged chains that are under the governance of Polkadot without passing entire runtime Wasm blobs over a bridge. Notes: - Changed `enact_authorized_upgrade` to `apply_authorized_upgrade`. Personal opinion, "apply" more accurately expresses what it's doing. Can change back if outvoted. - Remove `check_version` in favor of two extrinsics, so as to make _checked_ the default. - Left calls in `parachain-system` and marked as deprecated to prevent breaking the API. They just call into the `frame-system` functions. - Updated `frame-system` benchmarks to v2 syntax. --------- Co-authored-by: command-bot <>
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- Dec 18, 2023
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Branislav Kontur authored
This PR contains just a few clippy fixes and nits, which are, however, relaxed by workspace clippy settings here: https://github.com/paritytech/polkadot-sdk/blob/master/Cargo.toml#L483-L506 --------- Co-authored-by:
Dmitry Sinyavin <[email protected]> Co-authored-by:
ordian <[email protected]> Co-authored-by: command-bot <> Co-authored-by:
Bastian Köcher <[email protected]>
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- Dec 15, 2023
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Svyatoslav Nikolsky authored
This PR adds possibility for relay chain governance to halt and resume bridge pallets using XCM calls. Following calls are enabled over XCM for the `root` origin: `pallet_bridge_grandpa::set_operating_mode`, `pallet_bridge_parachains::set_operating_mode` and `pallet_bridge_messages::set_operating_mode`.
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- Dec 14, 2023
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Svyatoslav Nikolsky authored
This PR adds [Rococo People](https://github.com/paritytech/polkadot-sdk/pull/2281) <> [Rococo Bulletin](https://github.com/zdave-parity/polkadot-bulletin-chain) to the Rococo Bridge Hub code. There's a couple of things left to do here: - [x] add remaining tests - it'd need some refactoring in the `bridge-hub-test-utils` - will do in a separate PR; - [x] actually run benchmarks for new messaging pallet (do we have bot nowadays?). The reason why I'm opening it before this ^^^ is ready, is that I'd like to hear others opinion on how to deal with hacks with that bridge. Initially I was assuming that Rococo Bulletin will be the 1:1 copy of the Polkadot Bulletin (to avoid maintaining multiple runtimes/releases/...), so you can see many `PolkadotBulletin` mentions in this PR, even though we are going to bridge with the parallel chain (`RococoBulletin`). That's because e.g. pallet names from `construct_runtime` are affecting runtime storage keys and bridges are using runtime storage proofs => it is important to use names that the Bulletin chain expects. But in the end, this hack won't work - we can't use Polkadot Bulletin runtime to bridge with Rococo Bridge Hub, because Polkadot Bulletin expects Polkadot Bridge hub to use `1002` parachain id and Rococo Bridge Hub seats on the `1013`. This also affects storage keys using in bridging, so I had to add the [`rococo` feature](https://github.com/svyatonik/polkadot-bulletin-chain/blob/add-bridge-pallets/runtime/Cargo.toml#L198) to the Bulletin chain. So now we can actually alter its runtime and adapt it for Rococo. So the question here is - what's better for us here - to leave everything as is (seems hacky and non-trivial); - change Bulletin chain runtime when `rococo` feature is used - e.g. use proper names there (`WithPolkadotGrandpa` -> `WithRococoGrandpa`, ...) - add another set of pallets to the Bulletin chain runtime to bridge with Rococo and never use them in production. Similar to hack that we had in Rococo/Wococo cc @acatangiu @bkontur @serban300 also cc @joepetrowski as the main "client" of this bridge --- A couple words on how this bridge is different from the Rococo <> Westend bridge: - it is a bridge with a chain that uses GRANDPA finality, not the parachain finality (hence the tests needs to be changed); - it is a fee-free bridge. So `AllowExplicitUnpaidExecutionFrom<Equals<SiblingPeople>>` + we are not paying any rewards to relayers (apart from compensating transaction costs). --------- Signed-off-by:
dependabot[bot] <[email protected]> Signed-off-by:
Andrei Sandu <[email protected]> Co-authored-by:
Adrian Catangiu <[email protected]> Co-authored-by:
dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by:
Andrei Sandu <[email protected]> Co-authored-by:
Egor_P <[email protected]> Co-authored-by: command-bot <>
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Francisco Aguirre authored
In the move from the old `Currency` traits to the new `fungible/s` family of traits, we already had the `FungiblesAdapter` and `NonFungiblesAdapter` for multiple fungible and non fungible assets respectively. However, for handling only one fungible asset, we were missing a `FungibleAdapter`, and so used the old `CurrencyAdapter` instead. This PR aims to fill in that gap, and provide the new adapter for more updated examples. I marked the old `CurrencyAdapter` as deprecated as part of this PR, and I'll change it to the new `FungibleAdapter` in a following PR. The two stages are separated so as to not bloat this PR with some name fixes in tests. --------- Co-authored-by: command-bot <>
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Egor_P authored
This PR backports `transaction_version` bump from `1.5.0` release back to `master`
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- Dec 13, 2023
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Squirrel authored
We currently use a bit of a hack in `.cargo/config` to make sure that clippy isn't too annoying by specifying the list of lints. There is now a stable way to define lints for a workspace. The only down side is that every crate seems to have to opt into this so there's a *few* files modified in this PR. Dependencies: - [x] PR that upgrades CI to use rust 1.74 is merged. --------- Co-authored-by:
joe petrowski <[email protected]> Co-authored-by:
Branislav Kontur <[email protected]> Co-authored-by:
Liam Aharon <[email protected]>
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Branislav Kontur authored
Co-authored-by: command-bot <>
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Svyatoslav Nikolsky authored
So far the `bridge-hub-test-utils` contained a tests set for testing BridgeHub runtime that is bridging with the remote **parachain**. But we have https://github.com/paritytech/polkadot-sdk/pull/2540 coming, which would add Rococo <> Bulletin chain bridge (where Bulletin = standalone chain that is using GRANDPA finality). Then it'll be expanded to Polkadot BH as well. So this PR adds the same set of tests to the `bridge-hub-test-utils`, but for the case when remote chain is the chain with GRANDPA finality. There's a lot of changes in this PR - I'll describe some: - I've added `BasicParachainRuntime` trait to decrease number of lines we need to add to `where` clause. Could revert, but imo it is useful; - `cumulus/parachains/runtimes/bridge-hubs/test-utils/src/test_data` is a submodule for generating test data for the test sets. `from_parachain.rs` is used in tests for the case when remote chain is a parachain, `from_grandpa_chain.rs` - for the bridges with remote GRANDPA chains. `mod.rs` has some code, shared by both types of tests; - `cumulus/parachains/runtimes/bridge-hubs/test-utils/src/test_data` is a submodule with all test cases. The `mod.rs` has tests, suitable for all cases. There's also `wth_parachain.rs` and `with_grandpa_chain.rs` with the same meaning as above; - I've merged the "core" code of two previous tests - `relayed_incoming_message_works` and `complex_relay_extrinsic_works` into one single `relayed_incoming_message_works` test. So now we are always constructing extrinsics and are dispatching them using executive module (meaning all signed extensions are also tested). New test set is used here: https://github.com/paritytech/polkadot-sdk/pull/2540. Once this PR is merged, I'll merge that other PR with master to remove duplicate changes. I'm also planning to cleanup generic constraints + remove some unnecessary assumptions about used chains in a follow-up PRs. But for now I think this PR has enough changes, so don't want to complicate it even more. --- Breaking changes for the code that have used those tests before: - the `construct_and_apply_extrinsic` callback now accepts the `RuntimeCall` instead of the `pallet_utility::Call`; - the `construct_and_apply_extrinsic` now may be called multiple times for the single test, so make sure the `frame_system::CheckNonce` is correctly constructed; - all previous tests have been moved from `bridge_hub_test_utils::test_cases` to `bridge_hub_test_utils::test_cases::from_parachain` module; - there are several changes in test arguments - please refer to https://github.com/paritytech/polkadot-sdk/compare/sv-tests-for-bridge-with-remote-grandpa-chain?expand=1#diff-79a28d4d3e1749050341c2424f00c4c139825b1a20937767f83e58b95166735c for details.
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- Dec 12, 2023
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Francisco Aguirre authored
We were not filtering for sibling parachains, but for sibling anything --------- Co-authored-by:
Branislav Kontur <[email protected]> Co-authored-by: command-bot <>
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Branislav Kontur authored
## Summary This pull request proposes a solution for improved control of the versioned XCM flow over the bridge (across different consensus chains) and resolves the situation where the sending chain/consensus has already migrated to a higher XCM version than the receiving chain/consensus. ## Problem/Motivation The current flow over the bridge involves a transfer from AssetHubRococo (AHR) to BridgeHubRococo (BHR) to BridgeHubWestend (BHW) and finally to AssetHubWestend (AHW), beginning with a reserve-backed transfer on AHR. In this process: 1. AHR sends XCM `ExportMessage` through `XcmpQueue`, incorporating XCM version checks using the `WrapVersion` feature, influenced by `pallet_xcm::SupportedVersion` (managed by `pallet_xcm::force_xcm_version` or version discovery). 2. BHR handles the `ExportMessage` instruction, utilizing the latest XCM version. The `HaulBlobExporter` converts the inner XCM to [`VersionedXcm::from`](https://github.com/paritytech/polkadot-sdk/blob/63ac2471aa0210f0ac9903bdd7d8f9351f9a635f/polkadot/xcm/xcm-builder/src/universal_exports.rs#L465-L467), also using the latest XCM version. However, challenges arise: - Incompatibility when BHW uses a different version than BHR. For instance, if BHR migrates to **XCMv4** while BHW remains on **XCMv3**, BHR's `VersionedXcm::from` uses `VersionedXcm::V4` variant, causing encoding issues for BHW. ``` /// Just a simulation of possible error, which could happen on BHW /// (this code is based on actual master without XCMv4) let encoded = hex_literal::hex!("0400"); println!("{:?}", VersionedXcm::<()>::decode(&mut &encoded[..])); Err(Error { cause: None, desc: "Could not decode `VersionedXcm`, variant doesn't exist" }) ``` - Similar compatibility issues exist between AHR and AHW. ## Solution This pull request introduces the following solutions: 1. **New trait `CheckVersion`** - added to the `xcm` module and exposing `pallet_xcm::SupportedVersion`. This enhancement allows checking the actual XCM version for desired destinations outside of the `pallet_xcm` module. 2. **Version Check in `HaulBlobExporter`** uses `CheckVersion` to check known/configured destination versions, ensuring compatibility. For example, in the scenario mentioned, BHR can store the version `3` for BHW. If BHR is on XCMv4, it will attempt to downgrade the message to version `3` instead of using the latest version `4`. 3. **Version Check in `pallet-xcm-bridge-hub-router`** - this check ensures compatibility with the real destination's XCM version, preventing the unnecessary sending of messages to the local bridge hub if versions are incompatible. These additions aim to improve the control and compatibility of XCM flows over the bridge and addressing issues related to version mismatches. ## Possible alternative solution _(More investigation is needed, and at the very least, it should extend to XCMv4/5. If this proves to be a viable option, I can open an RFC for XCM.)._ Add the `XcmVersion` attribute to the `ExportMessage` so that the sending chain can determine, based on what is stored in `pallet_xcm::SupportedVersion`, the version the destination is using. This way, we may not need to handle the version in `HaulBlobExporter`. ``` ExportMessage { network: NetworkId, destination: InteriorMultiLocation, xcm: Xcm<()> destination_xcm_version: Version, // <- new attritbute }, ``` ``` pub trait ExportXcm { fn validate( network: NetworkId, channel: u32, universal_source: &mut Option<InteriorMultiLocation>, destination: &mut Option<InteriorMultiLocation>, message: &mut Option<Xcm<()>>, destination_xcm_version: Version, , // <- new attritbute ) -> SendResult<Self::Ticket>; ``` ## Future Directions This PR does not fix version discovery over bridge, further investigation will be conducted here: https://github.com/paritytech/polkadot-sdk/issues/2417. ## TODO - [x] `pallet_xcm` mock for tests uses hard-coded XCM version `2` - change to 3 or lastest? - [x] fix `pallet-xcm-bridge-hub-router` - [x] fix HaulBlobExporter with version determination [here](https://github.com/paritytech/polkadot-sdk/blob/2183669d05f9b510f979a0cc3c7847707bacba2e/polkadot/xcm/xcm-builder/src/universal_exports.rs#L465) - [x] add unit-tests to the runtimes - [x] run benchmarks for `ExportMessage` - [x] extend local run scripts about `force_xcm_version(dest, version)` - [ ] when merged, prepare governance calls for Rococo/Westend - [ ] add PRDoc Part of: https://github.com/paritytech/parity-bridges-common/issues/2719 --------- Co-authored-by: command-bot <>
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