mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-20 03:31:03 +00:00
Francisco Aguirre
8428f678fe
# 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 <kungfukeith11@gmail.com>
44 lines
1.4 KiB
TOML
44 lines
1.4 KiB
TOML
[package]
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name = "staging-xcm"
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description = "The basic XCM datastructures."
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version = "1.0.0"
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authors.workspace = true
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edition.workspace = true
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license.workspace = true
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[lints]
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workspace = true
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[dependencies]
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array-bytes = "6.1"
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bounded-collections = { version = "0.1.9", default-features = false, features = ["serde"] }
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derivative = { version = "2.2.0", default-features = false, features = ["use_core"] }
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impl-trait-for-tuples = "0.2.2"
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log = { version = "0.4.17", default-features = false }
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parity-scale-codec = { version = "3.6.1", default-features = false, features = ["derive", "max-encoded-len"] }
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scale-info = { version = "2.10.0", default-features = false, features = ["derive", "serde"] }
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sp-weights = { path = "../../substrate/primitives/weights", default-features = false, features = ["serde"] }
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serde = { version = "1.0.195", default-features = false, features = ["alloc", "derive", "rc"] }
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schemars = { version = "0.8.13", default-features = true, optional = true }
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xcm-procedural = { path = "procedural" }
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environmental = { version = "1.1.4", default-features = false }
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[dev-dependencies]
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sp-io = { path = "../../substrate/primitives/io" }
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hex = "0.4.3"
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hex-literal = "0.4.1"
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[features]
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default = ["std"]
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wasm-api = []
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std = [
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"bounded-collections/std",
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"environmental/std",
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"log/std",
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"parity-scale-codec/std",
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"scale-info/std",
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"serde/std",
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"sp-weights/std",
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]
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json-schema = ["bounded-collections/json-schema", "dep:schemars", "sp-weights/json-schema"]
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