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Node-side subsystems for Disputes (#2566)

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* dispute subsystem files

* rename

* fix linkcheck

* flesh out section README

* coordinator schema

* DisputeCoordinatorMessage

* stub & coordinator protocol

* dispute coordinator

* add some more message fields

* move links to bottom

* dispute participation

* Cleen It Up !

* runtime: store candidate receipts in dispute state

yeah, this is a little heavier. why are you reading this?

* Revert "runtime: store candidate receipts in dispute state"

This reverts commit 51c10bfd4d866e287e6bd88f317ed57ed987eaee.

* add dispute availability statement type and prepare for availability

* add 'spam slots' to disputes runtmie

* return Spam Slots info from runtime

* rework `ImportStatement` to `ImportStatements`

* some more methods for dispute coordinator

* candidates-included runtime API

* algo for providing disputes to runtime.

* handle signing with coordinator

* dispute coordinator chain ops

* remove dead file

* remove keystore from dispute participation

* adjust ApprovedAncestor to return the necssary data

* discuss how approved ancestor and determine undisputed chain are used together

* add TODO

* initiate disputes from approval voting

* route statements from candidate backing and approval voting

* fix guide build
This commit is contained in:
Robert Habermeier
2021-04-01 03:00:46 +02:00
committed by GitHub
parent caebf642dd
commit ccfabaa0c6
18 changed files with 434 additions and 38 deletions
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polkadot/roadmap/implementers-guide/src/node/backing/candidate-backing.md
+3
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@@ -94,6 +94,8 @@ match msg {
Add `Seconded` statements and `Valid` statements to a quorum. If quorum reaches validator-group majority, send a [`ProvisionerMessage`][PM]`::ProvisionableData(ProvisionableData::BackedCandidate(CandidateReceipt))` message.
`Invalid` statements that conflict with already witnessed `Seconded` and `Valid` statements for the given candidate, statements that are double-votes, self-contradictions and so on, should result in issuing a [`ProvisionerMessage`][PM]`::MisbehaviorReport` message for each newly detected case of this kind.
On each incoming statement, [`DisputeCoordinatorMessage::ImportStatement`][DCM] should be issued.
### Validating Candidates.
```rust
@@ -137,6 +139,7 @@ Dispatch a [`StatementDistributionMessage`][PDM]`::Share(relay_parent, SignedFul
[CBM]: ../../types/overseer-protocol.md#candidate-backing-message
[ADM]: ../../types/overseer-protocol.md#availability-distribution-message
[SDM]: ../../types/overseer-protocol.md#statement-distribution-message
[DCM]: ../../types/overseer-protocol.md#dispute-coordinator-message
[CS]: candidate-selection.md
[CV]: ../utility/candidate-validation.md