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Break LMD GHOST ties in favor of higher hash tree roots (#737)

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vbuterin 2019-03-08 02:58:38 -06:00 committed by Justin
parent 8e08e742dc
commit 8dcc1ba930
1 changed files with 1 additions and 1 deletions
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specs/core/0_beacon-chain.md
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@ -1654,7 +1654,7 @@ def lmd_ghost(store: Store, start_state: BeaconState, start_block: BeaconBlock)
children = get_children(store, head) children = get_children(store, head)
if len(children) == 0: if len(children) == 0:
return head return head
head = max(children, key=get_vote_count) head = max(children, key=lambda x: (get_vote_count(x), hash_tree_root(x)))
``` ```
## Beacon chain state transition function ## Beacon chain state transition function