Merge branch 'vbuterin-patch-7' of github.com:ethereum/eth2.0-specs into vbuterin-patch-7
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commit
0f274a906c
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@ -2056,12 +2056,16 @@ def get_winning_root_and_participants(state: BeaconState, shard: Shard) -> Tuple
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a for a in all_attestations if a.data.latest_crosslink == state.latest_crosslinks[shard]
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]
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all_roots = [a.data.crosslink_data_root for a in valid_attestations]
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# handle when no attestations for shard available
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if len(all_roots) == 0:
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return ZERO_HASH, []
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def get_attestations_for(root) -> List[PendingAttestation]:
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return [a for a in valid_attestations if a.data.crosslink_data_root == root]
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winning_root = max(all_roots, key=lambda r: get_attesting_balance(state, get_attestations_for(r)))
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return winning_root, get_attesting_indices(state, get_attestations_for(winning_root))
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```
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