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Code Issues Releases Wiki Activity

src/apps/wallet/sign_tx: fix Zcash ZIP243 signing

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This commit is contained in:
Pavol Rusnak 2018-10-17 16:41:19 +02:00
parent 8177ad6128
commit 443539aedd
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
1 changed files with 14 additions and 2 deletions
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16
src/apps/wallet/sign_tx/signing.py
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@ -548,8 +548,20 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
write_uint32(tx_ser.serialized_tx, tx.lock_time)
if tx.overwintered:
write_uint32(tx_ser.serialized_tx, tx.expiry) # expiryHeight
write_varint(tx_ser.serialized_tx, 0) # nJoinSplit
if tx.version == 3:
write_uint32(tx_ser.serialized_tx, tx.expiry) # expiryHeight
write_varint(tx_ser.serialized_tx, 0) # nJoinSplit
elif tx.version == 4:
write_uint32(tx_ser.serialized_tx, tx.expiry) # expiryHeight
write_uint64(tx_ser.serialized_tx, 0) # valueBalance
write_varint(tx_ser.serialized_tx, 0) # nShieldedSpend
write_varint(tx_ser.serialized_tx, 0) # nShieldedOutput
write_varint(tx_ser.serialized_tx, 0) # nJoinSplit
else:
raise SigningError(
FailureType.DataError,
"Unsupported version for overwintered transaction",
)
await request_tx_finish(tx_req)