Hsiao-Wei Wang 524ba166d1 [squashed] shard chain updates wip ... Fix wrong field names Fix `build_attestation_data` and other PR feedback from Danny and Terence 1. Rename `get_previous_slot` to `compute_previous_slot` 2. Break down `build_empty_block` into `get_state_and_beacon_parent_root_at_slot`, use it in `build_shard_block` 3. Set defult `slot` to `shard_state.slot + 1` in `build_shard_block` Update `verify_shard_block_message`: check beacon_parent_root at fork choice rule stage instead of state transition Fix `beacon-chain.md` 1. Fix typo `attestation.slot == state.slot` -> `attestation.data.slot == state.slot` in `is_winning_attestation` 2. Check `verify_shard_transition_false_positives` **after** `process_operations` 3. Fix `shard_attestations` filter in `process_crosslinks`: since attestations come from block, should use `attestation.data.slot + MIN_ATTESTATION_INCLUSION_DELAY == state.slot` 4. [TBD] Allow empty `light_client_signature` to make the tests pass 5. [TBD] Add `is_shard_attestation`, filter out empty `ShardTransition()` Rework `test_process_crosslink` Add basic phase 1 `test_blocks` Add more test cases Revert `is_shard_attestation` and fix test cases backward compatibility. Remove `test_process_beacon_block_no_shard_transition` and consider it as invalid case.		2020-05-02 02:32:31 +08:00
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gen_helpers	reorg specs by fork and move ssz out to own folder. make all of the build and link changes to support move	2020-01-10 11:55:13 -07:00
pyspec	[squashed] shard chain updates wip	2020-05-02 02:32:31 +08:00