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Merge pull request #688 from decanus/patch-21 

Use `slashed` bool more Pythonicly
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Danny Ryan 2019-02-27 15:02:33 -07:00 committed by GitHub
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specs/core/0_beacon-chain.md
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@ -1633,7 +1633,7 @@ For each `proposer_slashing` in `block.body.proposer_slashings`:
* Verify that `proposer_slashing.proposal_1.slot == proposer_slashing.proposal_2.slot`.
* Verify that `proposer_slashing.proposal_1.shard == proposer_slashing.proposal_2.shard`.
* Verify that `proposer_slashing.proposal_1.block_root != proposer_slashing.proposal_2.block_root`.
* Verify that `proposer.slashed == False`.
* Verify that `proposer.slashed is False`.
* Verify that `bls_verify(pubkey=proposer.pubkey, message_hash=signed_root(proposer_slashing.proposal_1, "signature"), signature=proposer_slashing.proposal_1.signature, domain=get_domain(state.fork, slot_to_epoch(proposer_slashing.proposal_1.slot), DOMAIN_PROPOSAL))`.
* Verify that `bls_verify(pubkey=proposer.pubkey, message_hash=signed_root(proposer_slashing.proposal_2, "signature"), signature=proposer_slashing.proposal_2.signature, domain=get_domain(state.fork, slot_to_epoch(proposer_slashing.proposal_2.slot), DOMAIN_PROPOSAL))`.
* Run `slash_validator(state, proposer_slashing.proposer_index)`.
@ -1650,7 +1650,7 @@ For each `attester_slashing` in `block.body.attester_slashings`:
* Verify that `is_double_vote(slashable_attestation_1.data, slashable_attestation_2.data)` or `is_surround_vote(slashable_attestation_1.data, slashable_attestation_2.data)`.
* Verify that `verify_slashable_attestation(state, slashable_attestation_1)`.
* Verify that `verify_slashable_attestation(state, slashable_attestation_2)`.
* Let `slashable_indices = [index for index in slashable_attestation_1.validator_indices if index in slashable_attestation_2.validator_indices and state.validator_registry[index].slashed == False]`.
* Let `slashable_indices = [index for index in slashable_attestation_1.validator_indices if index in slashable_attestation_2.validator_indices and state.validator_registry[index].slashed is False]`.
* Verify that `len(slashable_indices) >= 1`.
* Run `slash_validator(state, index)` for each `index` in `slashable_indices`.
@ -1885,7 +1885,7 @@ Case 2: `epochs_since_finality > 4`:
* Any [active validator](#dfn-active-validator) `index` not in `previous_epoch_attester_indices`, loses `inactivity_penalty(state, index, epochs_since_finality)`.
* Any [active validator](#dfn-active-validator) `index` not in `previous_epoch_boundary_attester_indices`, loses `inactivity_penalty(state, index, epochs_since_finality)`.
* Any [active validator](#dfn-active-validator) `index` not in `previous_epoch_head_attester_indices`, loses `base_reward(state, index)`.
* Any [active validator](#dfn-active-validator) `index` with `validator.slashed == True`, loses `2 * inactivity_penalty(state, index, epochs_since_finality) + base_reward(state, index)`.
* Any [active validator](#dfn-active-validator) `index` with `validator.slashed is True`, loses `2 * inactivity_penalty(state, index, epochs_since_finality) + base_reward(state, index)`.
* Any [validator](#dfn-validator) `index` in `previous_epoch_attester_indices` loses `base_reward(state, index) - base_reward(state, index) * MIN_ATTESTATION_INCLUSION_DELAY // inclusion_distance(state, index)`
##### Attestation inclusion