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XCM v2: Scripting, Query responses, Exception handling and Error reporting (#3629)

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* Intoduce XCM v2

Also some minor fix for v0/v1

* Minor version cleanup

* Minor version cleanup

* Introduce SendError for XcmSend trait to avoid cycles with having Outcome in Xcm

* comment

* Corrent type

* Docs

* Fix build

* Fixes

* Introduce the basic impl

* Docs

* Add function

* Basic implementation

* Weighed responses and on_report

* Make XCM more script-like

* Remove BuyExecution::orders

* Fixes

* Fixes

* Fixes

* Formatting

* Initial draft and make pallet-xcm build

* fix XCM tests

* Formatting

* Fixes

* Formatting

* spelling

* Fixes

* Fixes

* spelling

* tests for translation

* extra fields to XCM pallet

* Formatting

* Fixes

* spelling

* first integration test

* Another integration test

* Formatting

* fix tests

* all tests

* Fixes

* Fixes

* Formatting

* Fixes

* Fixes

* Formatting

* Bump

* Remove unneeded structuring

* add instruction

* Fixes

* spelling

* Fixes

* Fixes

* Formatting

* Fixes

* Fixes

* Formatting

* Introduce and use VersionedResponse

* Introduce versioning to dispatchables' params

* Fixes

* Formatting

* Rest of merge

* more work

* Formatting

* Basic logic

* Fixes

* Fixes

* Add test

* Fixes

* Formatting

* Fixes

* Fixes

* Fixes

* Nits

* Simplify

* Spelling

* Formatting

* Return weight of unexecuted instructions in case of error as surplus

* Formatting

* Fixes

* Test for instruction count limiting

* Formatting

* Docs
This commit is contained in:
Gavin Wood
2021-08-26 12:41:16 +02:00
committed by GitHub
parent 4193f05fa3
commit 8b80b283d4
37 changed files with 3070 additions and 966 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/runtime/common/src/xcm_sender.rs
+6 -6
View File
@@ -19,7 +19,7 @@
use parity_scale_codec::Encode;
use runtime_parachains::{configuration, dmp};
use sp_std::marker::PhantomData;
use xcm::opaque::latest::*;
use xcm::latest::prelude::*;
/// XCM sender for relay chain. It only sends downward message.
pub struct ChildParachainRouter<T, W>(PhantomData<(T, W)>);
@@ -27,22 +27,22 @@ pub struct ChildParachainRouter<T, W>(PhantomData<(T, W)>);
impl<T: configuration::Config + dmp::Config, W: xcm::WrapVersion> SendXcm
for ChildParachainRouter<T, W>
{
fn send_xcm(dest: MultiLocation, msg: Xcm) -> Result {
fn send_xcm(dest: MultiLocation, msg: Xcm<()>) -> SendResult {
match dest {
MultiLocation { parents: 0, interior: Junctions::X1(Junction::Parachain(id)) } => {
MultiLocation { parents: 0, interior: X1(Parachain(id)) } => {
// Downward message passing.
let versioned_xcm =
W::wrap_version(&dest, msg).map_err(|()| Error::DestinationUnsupported)?;
W::wrap_version(&dest, msg).map_err(|()| SendError::DestinationUnsupported)?;
let config = <configuration::Pallet<T>>::config();
<dmp::Pallet<T>>::queue_downward_message(
&config,
id.into(),
versioned_xcm.encode(),
)
.map_err(Into::<Error>::into)?;
.map_err(Into::<SendError>::into)?;
Ok(())
},
dest => Err(Error::CannotReachDestination(dest, msg)),
dest => Err(SendError::CannotReachDestination(dest, msg)),
}
}
}