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Code Issues Releases Wiki Activity

Include Byron witness once for each input path

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This commit is contained in:
gabrielkerekes 2020-07-27 17:52:12 +02:00 committed by Pavol Rusnak
parent a729ef1c26
commit 1ed8b56b7c
1 changed files with 7 additions and 1 deletions
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8
core/src/apps/cardano/sign_tx.py
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@ -320,6 +320,7 @@ def _build_shelley_witnesses(
) -> List[Tuple[bytes, bytes]]:
shelley_witnesses = []
# include only one witness for each path
paths = set()
for input in inputs:
if not is_shelley_path(input.address_n):
@ -363,11 +364,16 @@ def _build_byron_witnesses(
protocol_magic: int,
) -> List[Tuple[bytes, bytes, bytes, bytes]]:
byron_witnesses = []
# include only one witness for each path
paths = set()
for input in inputs:
if not is_byron_path(input.address_n):
continue
paths.add(tuple(input.address_n))
node = keychain.derive(input.address_n)
for path in paths:
node = keychain.derive(list(input.address_n))
public_key = remove_ed25519_prefix(node.public_key())
signature = ed25519.sign_ext(