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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
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polkadot/node/collation-generation/src/lib.rs
+4
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@@ -274,10 +274,12 @@ async fn handle_new_activations<Context: SubsystemContext>(
let commitments = CandidateCommitments {
upward_messages: collation.upward_messages,
horizontal_messages: collation.horizontal_messages,
new_validation_code: collation.new_validation_code,
head_data: collation.head_data,
erasure_root,
processed_downward_messages: collation.processed_downward_messages,
hrmp_watermark: collation.hrmp_watermark,
};
let ccr = CandidateReceipt {
@@ -382,12 +384,14 @@ mod tests {
fn test_collation() -> Collation {
Collation {
upward_messages: Default::default(),
horizontal_messages: Default::default(),
new_validation_code: Default::default(),
head_data: Default::default(),
proof_of_validity: PoV {
block_data: BlockData(Vec::new()),
},
processed_downward_messages: Default::default(),
hrmp_watermark: Default::default(),
}
}