arno/trezor-firmware
1
0
Fork 0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-18 20:38:10 +00:00
Code Issues Releases Wiki Activity

src/apps/wallet/sign_tx: enable ZIP243 hashing

Browse Source
This commit is contained in:
Pavol Rusnak 2018-10-15 20:45:17 +02:00
parent e2d405aa0a
commit 74d50a2b4e
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/apps/wallet/sign_tx/signing.py
View File

@ -70,9 +70,14 @@ async def check_tx_fee(tx: SignTx, root: bip32.HDNode):
hash143 = DecredPrefixHasher(tx) # pseudo bip143 prefix hashing
tx_ser = TxRequestSerializedType()
elif tx.overwintered:
hash143 = Zip143() # zip143 transaction hashing
if tx.version == 3:
hash143 = Zip143() # ZIP-0143 transaction hashing
elif tx.version == 4:
hash143 = Zip243() # ZIP-0243 transaction hashing
else:
raise SigningError(FailureType.DataError, "Unsupported version for overwintered transaction")
else:
hash143 = Bip143() # bip143 transaction hashing
hash143 = Bip143() # BIP-0143 transaction hashing
multifp = MultisigFingerprint() # control checksum of multisig inputs
weight = TxWeightCalculator(tx.inputs_count, tx.outputs_count)
@ -126,7 +131,7 @@ async def check_tx_fee(tx: SignTx, root: bip32.HDNode):
if coin.force_bip143 or tx.overwintered:
if not txi.amount:
raise SigningError(
FailureType.DataError, "BIP/ZIP 143 input without amount"
FailureType.DataError, "Expected input with amount"
)
segwit[i] = False
segwit_in += txi.amount