statement-distribution: prep for re-enabling #4431
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ordian
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ordian
commented
May 10, 2024
tdimitrov
approved these changes
May 14, 2024
* master: improve MockValidationDataInherentDataProvider to support async backing (#4442) Bump `proc-macro-crate` to the latest version (#4409) [ci] Run check-runtime-migration in GHA (#4441) prospective-parachains rework (#4035) [ci] Add forklift to GHA ARC (#4372) `CheckWeight` SE: Check for extrinsic length + proof size combined (#4326) Add generate and verify logic for `AncestryProof` (#4430) Rococo AH: undeploy trie migration (#4414) Remove `substrate-frame-cli` (#4403) migrations: `take()`should consume read and write operation weight (#4302) `remote-externalities`: store block header in snapshot (#4349) xcm-emlator: Use `BlockNumberFor` instead of `parachains_common::BlockNumber=u32` (#4434) Remove `pallet::getter` usage from authority-discovery pallet (#4091) Remove pallet::getter usage from pallet-contracts-mock-network (#4417) Add docs to request_core_count (#4423)
Overkillus
reviewed
May 23, 2024
| validator_index = ?statement.unchecked_validator_index(), | ||
| "Ignoring a statement from disabled validator." | ||
| ); | ||
| modify_reputation(reputation, ctx.sender(), peer, COST_DISABLED_VALIDATOR).await; |
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In general we want it for sure. I if it poses network fragmentation risks on different node version interacting.
Thinking in context of only a fraction of the network updating. Those are node changes mostly so very likely it will go like that.
Ths change means that new nodes will be generally considering themselves disabled later - only when it gets to the relay parent rather then leaf. So consider validator A that was disabled in some leaf. Validator A updated to new node with relay parent disabling. He got disabled in one of the leafs already but A does not yet see it as it hasn't yet been in the relay parent. That means he might be sending statements and old nodes that consider him disabled will rep punish him. Potential fragmentation risk?
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Might not be enough rep damages to be a problem but just highlighting the possibility
Overkillus
approved these changes
May 23, 2024
* master: (93 commits) Fix broken windows build (#4636) Beefy client generic on aduthority Id (#1816) pallet-staking: Put tests behind `cfg(debug_assertions)` (#4620) Broker new price adapter (#4521) Change `XcmDryRunApi::dry_run_extrinsic` to take a call instead (#4621) Update README.md (#4623) Publish `chain-spec-builder` (#4518) Add omni bencher & chain-spec-builder bins to release (#4557) Moves runtime macro out of experimental flag (#4249) Filter workspace dependencies in the templates (#4599) parachain-inherent: Make `para_id` more prominent (#4555) Add metric to measure the time it takes to gather enough assignments (#4587) Improve On_demand_assigner events (#4339) Conditional `required` checks (#4544) [CI] Deny adding git deps (#4572) [subsytem-bench] Remove redundant banchmark_name param (#4540) Add availability-recovery from systematic chunks (#1644) Remove workspace lints from templates (#4598) `sc-chain-spec`: deprecated code removed (#4410) [subsystem-benchmarks] Add statement-distribution benchmarks (#3863) ...
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In preparation for launching re-enabling (#2418), we need to adjust the disabling strategy of statement-distribution to use the relay parent's state instead of the latest state (union of active leaves). This will also ensure no raciness of getting the latest state vs accepting statements from disabling validators at the cost of being more lenient/potentially accepting more statements from disabled validators.