Clarify lexicographic hash favoring (#881)

2019-04-06 04:07:26 -05:00 · 2019-04-06 04:07:26 -05:00 · 199e7849da
parent 690e4faff7
commit 199e7849da
1 changed files with 1 additions and 0 deletions
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@ -1664,6 +1664,7 @@ def lmd_ghost(store: Store, start_state: BeaconState, start_block: BeaconBlock)
        children = get_children(store, head)
        if len(children) == 0:
            return head
+        # Ties broken by favoring block with lexicographically higher root
        head = max(children, key=lambda x: (get_vote_count(x), hash_tree_root(x)))
 ```