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Implement HRMP (#1900)

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* HRMP: Update the impl guide

* HRMP: Incorporate the channel notifications into the guide

* HRMP: Renaming in the impl guide

* HRMP: Constrain the maximum number of HRMP messages per candidate

This commit addresses the HRMP part of https://github.com/paritytech/polkadot/issues/1869

* XCM: Introduce HRMP related message types

* HRMP: Data structures and plumbing

* HRMP: Configuration

* HRMP: Data layout

* HRMP: Acceptance & Enactment

* HRMP: Test base logic

* Update adder collator

* HRMP: Runtime API for accessing inbound messages

Also, removing some redundant fully-qualified names.

* HRMP: Add diagnostic logging in acceptance criteria

* HRMP: Additional tests

* Self-review fixes

* save test refactorings for the next time

* Missed a return statement.

* a formatting blip

* Add missing logic for appending HRMP digests

* Remove the channel contents vectors which became empty

* Tighten HRMP channel digests invariants.

* Apply suggestions from code review

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>

* Remove a note about sorting for channel id

* Add missing rustdocs to the configuration

* Clarify and update the invariant for HrmpChannelDigests

* Make the onboarding invariant less sloppy

Namely, introduce `Paras::is_valid_para` (in fact, it already is present
in the implementation) and hook up the invariant to that.

Note that this says "within a session" because I don't want to make it
super strict on the session boundary. The logic on the session boundary
should be extremely careful.

* Make `CandidateCheckContext` use T::BlockNumber for hrmp_watermark

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>
This commit is contained in:
Sergei Shulepov
2020-11-06 16:35:36 +01:00
committed by GitHub
parent 8a2911b85d
commit c96f8cfcca
33 changed files with 2024 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/node/core/candidate-validation/src/lib.rs
+6
View File
@@ -489,8 +489,10 @@ fn validate_candidate_exhaustive<B: ValidationBackend, S: SpawnNamed + 'static>(
let outputs = ValidationOutputs {
head_data: res.head_data,
upward_messages: res.upward_messages,
horizontal_messages: res.horizontal_messages,
new_validation_code: res.new_validation_code,
processed_downward_messages: res.processed_downward_messages,
hrmp_watermark: res.hrmp_watermark,
};
Ok(ValidationResult::Valid(outputs, persisted_validation_data))
}
@@ -833,7 +835,9 @@ mod tests {
head_data: HeadData(vec![1, 1, 1]),
new_validation_code: Some(vec![2, 2, 2].into()),
upward_messages: Vec::new(),
horizontal_messages: Vec::new(),
processed_downward_messages: 0,
hrmp_watermark: 0,
};
let v = validate_candidate_exhaustive::<MockValidationBackend, _>(
@@ -848,7 +852,9 @@ mod tests {
assert_matches!(v, ValidationResult::Valid(outputs, used_validation_data) => {
assert_eq!(outputs.head_data, HeadData(vec![1, 1, 1]));
assert_eq!(outputs.upward_messages, Vec::<UpwardMessage>::new());
assert_eq!(outputs.horizontal_messages, Vec::new());
assert_eq!(outputs.new_validation_code, Some(vec![2, 2, 2].into()));
assert_eq!(outputs.hrmp_watermark, 0);
assert_eq!(used_validation_data, validation_data);
});
}