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wallet/signing: segwit has priority over force_bip143

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This commit only rearranges the `if` main branch, so the segwit branch
has priority over bip143. Since Bitcoin Gold is allowing both segwit and
forcing bip143, the bitcoin gold segwit transactions were failing.

updates #147
This commit is contained in:
Tomas Susanka 2018-03-08 14:39:57 +01:00 committed by Jan Pochyla
parent c827607eec
commit 2dec30828b
1 changed files with 24 additions and 24 deletions
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48
src/apps/wallet/sign_tx/signing.py
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@ -175,7 +175,30 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
key_sign = None
key_sign_pub = None
if coin.force_bip143:
if segwit[i_sign]:
# STAGE_REQUEST_SEGWIT_INPUT
txi_sign = await request_tx_input(tx_req, i_sign)
is_segwit = (txi_sign.script_type == InputScriptType.SPENDWITNESS or
txi_sign.script_type == InputScriptType.SPENDP2SHWITNESS)
if not is_segwit:
raise SigningError(FailureType.ProcessError,
'Transaction has changed during signing')
input_check_wallet_path(txi_sign, wallet_path)
key_sign = node_derive(root, txi_sign.address_n)
key_sign_pub = key_sign.public_key()
txi_sign.script_sig = input_derive_script(coin, txi_sign, key_sign_pub)
w_txi = bytearray_with_cap(
7 + len(txi_sign.prev_hash) + 4 + len(txi_sign.script_sig) + 4)
if i_sign == 0: # serializing first input => prepend headers
write_bytes(w_txi, get_tx_header(tx, True))
write_tx_input(w_txi, txi_sign)
tx_ser.serialized_tx = w_txi
tx_req.serialized = tx_ser
elif coin.force_bip143:
# STAGE_REQUEST_SEGWIT_INPUT
txi_sign = await request_tx_input(tx_req, i_sign)
input_check_wallet_path(txi_sign, wallet_path)
@ -212,29 +235,6 @@ async def sign_tx(tx: SignTx, root: bip32.HDNode):
tx_req.serialized = tx_ser
elif segwit[i_sign]:
# STAGE_REQUEST_SEGWIT_INPUT
txi_sign = await request_tx_input(tx_req, i_sign)
is_segwit = (txi_sign.script_type == InputScriptType.SPENDWITNESS or
txi_sign.script_type == InputScriptType.SPENDP2SHWITNESS)
if not is_segwit:
raise SigningError(FailureType.ProcessError,
'Transaction has changed during signing')
input_check_wallet_path(txi_sign, wallet_path)
key_sign = node_derive(root, txi_sign.address_n)
key_sign_pub = key_sign.public_key()
txi_sign.script_sig = input_derive_script(coin, txi_sign, key_sign_pub)
w_txi = bytearray_with_cap(
7 + len(txi_sign.prev_hash) + 4 + len(txi_sign.script_sig) + 4)
if i_sign == 0: # serializing first input => prepend headers
write_bytes(w_txi, get_tx_header(tx, True))
write_tx_input(w_txi, txi_sign)
tx_ser.serialized_tx = w_txi
tx_req.serialized = tx_ser
else:
# hash of what we are signing with this input
h_sign = HashWriter(sha256)