bitcoin/bips
1
0
Fork 0
mirror of https://github.com/bitcoin/bips.git synced 2026-07-27 18:13:38 +00:00
Code Issues Releases Wiki Activity

bip360: make consistent use of h2b

Browse Source
This commit is contained in:
notmike
2026-06-26 19:49:28 -06:00
parent 50a6b91352
commit 9bf46b5cfe
1 changed files with 2 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
bip-0360/ref-impl/python/p2mr.py
View File

@@ -79,9 +79,7 @@ def tapleaf_hash(script: str, tapleaf_ver: str = "c0") -> str:
"""Hash function for tree leaves""" """Hash function for tree leaves"""
if not script: if not script:
raise ValueError("tapleaf_hash: script is required") raise ValueError("tapleaf_hash: script is required")
leaf = b"".join( leaf = h2b(tapleaf_ver) + serialize_varbytes(h2b(script))
(bytes.fromhex(tapleaf_ver), serialize_varbytes(bytes.fromhex(script)))
)
return tagged_hash("TapLeaf", leaf).hex() return tagged_hash("TapLeaf", leaf).hex()
@@ -147,7 +145,7 @@ def compute_control_block(path: int, tree: ScriptTree) -> bytes:
assert len(tree) == 2 assert len(tree) == 2
sibling = tree[(path & 1) ^ 1] sibling = tree[(path & 1) ^ 1]
tree = tree[(path & 1)] tree = tree[(path & 1)]
control_block = bytes.fromhex(compute_merkle_root(sibling)) + control_block control_block = h2b(compute_merkle_root(sibling)) + control_block
path >>= 1 path >>= 1
assert isinstance(tree, dict) assert isinstance(tree, dict)