Cleanup merkle_root

Add docstring and fix spacing.
2018-12-28 01:58:24 +08:00 · 2018-12-28 01:58:24 +08:00 · 8c12896fa0
parent 44d2f44993
commit 8c12896fa0
1 changed files with 6 additions and 3 deletions
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@ -955,9 +955,12 @@ def get_beacon_proposer_index(state: BeaconState,

 ```python
 def merkle_root(values):  
+    """
+    Merkleize ``values`` (where ``len(values)`` is a power of two) and return the Merkle root.
+    """
    o = [0] * len(values) + values
-    for i in range(len(values)-1, 0, -1):
-        o[i] = hash(o[i*2] + o[i*2+1])
+    for i in range(len(values) - 1, 0, -1):
+        o[i] = hash(o[i * 2] + o[i * 2 + 1])
    return o[1]
 ```