Add functions for deriving light client data #2938
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Adds `create_light_client_bootstrap` and `create_light_client_update` functions as a reference implementation for serving light client data. This also enables a new test harness to verify that light client data gets applied to a `LightClientStore` as expected.
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This may also progress #2842 |
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🤩 |
hwwhww
reviewed
Jul 15, 2022
tests/core/pyspec/eth2spec/test/altair/sync_protocol/test_light_client_sync.py
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| ```yaml | ||
| { | ||
| update: string -- name of the `*.ssz_snappy` file to load |
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suggest adding a note about the suffix rules
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So far, the suffixes are just an implementation detail to avoid name clashes, the test runner does not need to know about their meaning, i.e., they can just take the filename from here and run the test without further processing the name.
tests/core/pyspec/eth2spec/test/altair/sync_protocol/test_light_client_sync.py
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| def emit_slot(test, spec, state): | ||
| current_slot = state.slot | ||
| yield from [] |
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we can just
- remove this line and
- remove
yield fromfrom everyemit_slotcall
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Yeah, that is possible, but allowing the consistent yield from notion (even if not technically necessary) make the functions that append to the test script (setup_test, emit_slot, emit_update, finish_test) similar in use, which helps with readability of the usage code.
tests/core/pyspec/eth2spec/test/altair/sync_protocol/test_light_client_sync.py
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Co-authored-by: Hsiao-Wei Wang <hsiaowei.eth@gmail.com>
Co-authored-by: Hsiao-Wei Wang <hsiaowei.eth@gmail.com>
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The EF test format for the LC sync protocol is modified to verify checks after each step: ethereum/consensus-specs#2938 - The test runner is updated accordingly.
Co-authored-by: Hsiao-Wei Wang <hsiaowei.eth@gmail.com>
hwwhww
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Jul 19, 2022
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| elif out_kind == "cfg": | ||
| output_part(out_kind, name, dump_yaml_fn(data, name, file_mode, cfg_yaml)) |
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Note for other reviewers:
- If the test case uses
with_config_overrides, it will outputconfig.yamlfile with this new file format. The new format is closer to the config files (mainnet.yaml&minimal.yaml). 👍 - It outputs more than the
*_FORK_EPOCHoverridden. For Bellatrix tests:
PRESET_BASE: 'minimal'
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 64
MIN_GENESIS_TIME: 1578009600
GENESIS_FORK_VERSION: 0x00000001
GENESIS_DELAY: 300
SECONDS_PER_SLOT: 6
SECONDS_PER_ETH1_BLOCK: 14
MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
SHARD_COMMITTEE_PERIOD: 64
ETH1_FOLLOW_DISTANCE: 16
EJECTION_BALANCE: 16000000000
MIN_PER_EPOCH_CHURN_LIMIT: 4
CHURN_LIMIT_QUOTIENT: 32
PROPOSER_SCORE_BOOST: 40
INACTIVITY_SCORE_BIAS: 4
INACTIVITY_SCORE_RECOVERY_RATE: 16
ALTAIR_FORK_VERSION: 0x01000001
ALTAIR_FORK_EPOCH: 0
TERMINAL_TOTAL_DIFFICULTY: 115792089237316195423570985008687907853269984665640564039457584007913129638912
TERMINAL_BLOCK_HASH: 0x0000000000000000000000000000000000000000000000000000000000000000
TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615
BELLATRIX_FORK_VERSION: 0x02000001
BELLATRIX_FORK_EPOCH: 0- p.s. deposit contract configurations are not included because
deposit-contract.mdis not part of executable pyspec.
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The EF test format for the LC sync protocol is modified to verify checks after each step: ethereum/consensus-specs#2938 - The test runner is updated accordingly.
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Adds
create_light_client_bootstrapandcreate_light_client_updatefunctions as a reference implementation for serving light client data.
This also enables a new test harness to verify that light client data
gets applied to a
LightClientStoreas expected.