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bip360: simplify tapbranch_hash function

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Implements @conduitions improvement on tapbranch_hash()

Co-authored-by: conduition <conduition@proton.me>
This commit is contained in:
notmike
2026-06-26 20:00:28 -06:00
committed by GitHub
parent 2706a6181d
commit 50a6b91352
1 changed files with 1 additions and 3 deletions
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4
bip-0360/ref-impl/python/p2mr.py
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@@ -87,9 +87,7 @@ def tapleaf_hash(script: str, tapleaf_ver: str = "c0") -> str:
def tapbranch_hash(left: str, right: str) -> bytes: def tapbranch_hash(left: str, right: str) -> bytes:
"""Hash function for tree branches""" """Hash function for tree branches"""
if left < right: return tagged_hash("TapBranch", b"".join(sorted((h2b(right) + h2b(left)))))
return tagged_hash("TapBranch", h2b(left) + h2b(right))
return tagged_hash("TapBranch", h2b(right) + h2b(left))
def collect_leaf_hashes(tree: ScriptTree) -> List[str]: def collect_leaf_hashes(tree: ScriptTree) -> List[str]: