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fix(core): make sorting of pubkeys fully deterministic

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This commit is contained in:
Ondřej Vejpustek 2024-11-12 14:07:56 +01:00
parent 7c50d89873
commit 78d522d650
1 changed files with 1 additions and 2 deletions
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3
core/src/apps/bitcoin/multisig.py
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@ -28,8 +28,7 @@ def multisig_fingerprint(multisig: MultisigRedeemScriptType) -> bytes:
if len(d.public_key) != 33 or len(d.chain_code) != 32: if len(d.public_key) != 33 or len(d.chain_code) != 32:
raise DataError("Invalid multisig parameters") raise DataError("Invalid multisig parameters")
# casting to bytes(), sorting on bytearray() is not supported in MicroPython pubnodes = sorted(pubnodes, key=lambda n: n.public_key + n.chain_code)
pubnodes = sorted(pubnodes, key=lambda n: bytes(n.public_key))
h = HashWriter(sha256()) h = HashWriter(sha256())
write_uint32(h, m) write_uint32(h, m)