tests/formats: update epoch and operations formats to reflect push-withdrawals (#3184 )

* tests/formats: update epoch and operations formats to reflect push-withdrawals of PR 3068

* fix typo

* Update epoch processing readme

Co-authored-by: Hsiao-Wei Wang <hsiaowei.eth@gmail.com>

2023-01-04 18:20:09 +08:00

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Epoch processing tests

The different epoch sub-transitions are tested individually with test handlers. The format is similar to block-processing state-transition tests. There is no "change" factor however, the transitions are pure functions with just the pre-state as input. Hence, the format is shared between each test-handler. (See test condition documentation on how to run the tests.)

Test case format

`meta.yaml`

description: string    -- Optional description of test case, purely for debugging purposes.
                          Tests should use the directory name of the test case as identifier, not the description.
bls_setting: int       -- see general test-format spec.

`pre.ssz_snappy`

An SSZ-snappy encoded BeaconState, the state before running the epoch sub-transition.

`post.ssz_snappy`

An SSZ-snappy encoded BeaconState, the state after applying the epoch sub-transition. No value if the sub-transition processing is aborted.

Condition

A handler of the epoch_processing test-runner should process these cases, calling the corresponding processing implementation (same name, prefixed with process_). This excludes the other parts of the epoch-transition. The provided pre-state is already transitioned to just before the specific sub-transition of focus of the handler.

Sub-transitions:

justification_and_finalization
inactivity_updates (Altair)
rewards_and_penalties
registry_updates
slashings
eth1_data_reset
effective_balance_updates
slashings_reset
randao_mixes_reset
historical_roots_update (Phase0, Altair, Bellatrix only)
historical_summaries_update (Capella)
participation_record_updates (Phase 0 only)
participation_flag_updates (Altair)
sync_committee_updates (Altair)

The resulting state should match the expected post state.

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