def tx_inputs(self, tx: Transaction, *, for_sig=False, keystore: 'TrezorKeyStore' = None):
inputs = []
for txin in tx.inputs():
if txin.is_coinbase_input():
txinputtype = TxInputType(
prev_hash=b"\x00"*32,
prev_index=0xffffffff, # signed int -1
)
else:
txinputtype = TxInputType(
prev_hash=txin.prevout.txid,
prev_index=txin.prevout.out_idx,
)
if for_sig:
assert isinstance(tx, PartialTransaction)
assert isinstance(txin, PartialTxInput)
assert keystore
if len(txin.pubkeys) > 1:
xpubs_and_deriv_suffixes = get_xpubs_and_der_suffixes_from_txinout(tx, txin)
txinputtype.multisig = self._make_multisig(txin.num_sig, xpubs_and_deriv_suffixes)
txinputtype.script_type = self.get_trezor_input_script_type(txin.script_type)
my_pubkey, full_path = keystore.find_my_pubkey_in_txinout(txin)
if full_path:
txinputtype.address_n = full_path
txinputtype.amount = txin.value_sats()
txinputtype.script_sig = txin.script_sig
txinputtype.sequence = txin.nsequence
inputs.append(txinputtype)
return inputs
def tx_inputs(self, tx, xpub_path):
inputs = []
for txin in tx.inputs:
txinputtype = TxInputType()
txinputtype.prev_hash = bytes(reversed(txin.prev_hash))
txinputtype.prev_index = txin.prev_idx
txinputtype.sequence = txin.sequence
txinputtype.amount = txin.value
xpubs = [
x_pubkey.bip32_extended_key_and_path()
for x_pubkey in txin.x_pubkeys
]
txinputtype.multisig = self._make_multisig(
txin.threshold, xpubs, txin.stripped_signatures_with_blanks())
txinputtype.script_type = self.get_trezor_input_script_type(
txinputtype.multisig is not None)
# find which key is mine
for xpub, path in xpubs:
if xpub in xpub_path:
xpub_n = bip32_decompose_chain_string(xpub_path[xpub])
txinputtype.address_n = xpub_n + path
break
# if txin.script_sig:
# txinputtype.script_sig = bytes(txin.script_sig)
inputs.append(txinputtype)
return inputs
def tx_inputs(self,
tx: Transaction,
*,
for_sig=False,
keystore: 'TrezorKeyStore' = None):
inputs = []
for txin in tx.inputs():
txinputtype = TxInputType()
if txin.is_coinbase_input():
prev_hash = b"\x00" * 32
if txin.script_sig.startswith(
b"\xc4") and txin.nsequence == 0xffffffff:
prev_index = 1
else:
prev_index = txin.nsequence
else:
if for_sig:
assert isinstance(tx, PartialTransaction)
assert isinstance(txin, PartialTxInput)
assert keystore
if len(txin.pubkeys) > 1:
xpubs_and_deriv_suffixes = get_xpubs_and_der_suffixes_from_txinout(
tx, txin)
multisig = self._make_multisig(
txin.num_sig, xpubs_and_deriv_suffixes)
else:
multisig = None
script_type = self.get_trezor_input_script_type(
txin.script_type)
txinputtype = TxInputType(script_type=script_type,
multisig=multisig)
my_pubkey, full_path = keystore.find_my_pubkey_in_txinout(
txin)
if full_path:
txinputtype.address_n = full_path
prev_hash = txin.prevout.txid
prev_index = txin.prevout.out_idx
if txin.value_sats() is not None:
txinputtype.amount = txin.value_sats()
txinputtype.prev_hash = prev_hash
txinputtype.prev_index = prev_index
if txin.script_sig is not None:
txinputtype.script_sig = txin.script_sig
txinputtype.sequence = txin.nsequence
inputs.append(txinputtype)
return inputs
def tx_inputs(self, tx, xpub_path, for_sig=False):
inputs = []
for txin in tx.inputs():
txinputtype = TxInputType()
if txin['type'] == 'coinbase':
prev_hash = b"\x00" * 32
if txin['scriptSig'].startswith(
'c4') and txin['prevout_n'] == 0xffffffff:
prev_index = 1
else:
prev_index = txin['prevout_n']
else:
if for_sig:
x_pubkeys = txin['x_pubkeys']
xpubs = [parse_xpubkey(x) for x in x_pubkeys]
multisig = self._make_multisig(txin.get('num_sig'), xpubs,
txin.get('signatures'))
script_type = self.get_trezor_input_script_type(
txin['type'])
txinputtype = TxInputType(script_type=script_type,
multisig=multisig)
# find which key is mine
for xpub, deriv in xpubs:
if xpub in xpub_path:
xpub_n = parse_path(xpub_path[xpub])
txinputtype.address_n = xpub_n + deriv
break
prev_hash = bfh(txin['prevout_hash'])
prev_index = txin['prevout_n']
if 'value' in txin:
txinputtype.amount = txin['value']
txinputtype.prev_hash = prev_hash
txinputtype.prev_index = prev_index
if txin.get('scriptSig') is not None:
script_sig = bfh(txin['scriptSig'])
txinputtype.script_sig = script_sig
txinputtype.sequence = txin.get('sequence', 0xffffffff - 1)
inputs.append(txinputtype)
return inputs
def tx_inputs(self, tx, xpub_path, for_sig=False):
inputs = []
for txin in tx.inputs():
txinputtype = TxInputType()
if txin['type'] == 'coinbase':
prev_hash = b"\x00"*32
prev_index = 0xffffffff # signed int -1
else:
if for_sig:
x_pubkeys = txin['x_pubkeys']
xpubs = [parse_xpubkey(x) for x in x_pubkeys]
multisig = self._make_multisig(txin.get('num_sig'), xpubs, txin.get('signatures'))
script_type = self.get_trezor_input_script_type(txin['type'])
txinputtype = TxInputType(
script_type=script_type,
multisig=multisig)
# find which key is mine
for xpub, deriv in xpubs:
if xpub in xpub_path:
xpub_n = parse_path(xpub_path[xpub])
txinputtype.address_n = xpub_n + deriv
break
prev_hash = bfh(txin['prevout_hash'])
prev_index = txin['prevout_n']
if 'value' in txin:
txinputtype.amount = txin['value']
txinputtype.prev_hash = prev_hash
txinputtype.prev_index = prev_index
if txin.get('scriptSig') is not None:
script_sig = bfh(txin['scriptSig'])
txinputtype.script_sig = script_sig
txinputtype.sequence = txin.get('sequence', 0xffffffff - 1)
inputs.append(txinputtype)
return inputs
def tx_inputs(self,
tx: Transaction,
xpub_path: Optional[Dict[str, str]] = None,
is_prev_tx: bool = False) -> List[TxInputType]:
inputs = []
for txin in tx.inputs:
txinputtype = TxInputType()
# Trezor tx hashes are same byte order as the reversed hex tx id.
txinputtype.prev_hash = bytes(reversed(txin.prev_hash))
txinputtype.prev_index = txin.prev_idx
txinputtype.sequence = txin.sequence
txinputtype.amount = txin.value
if txin.script_sig:
txinputtype.script_sig = bytes(txin.script_sig)
if not is_prev_tx:
assert xpub_path is not None, "no xpubs provided for hw signing operation"
xpubs = [
x_pubkey.bip32_extended_key_and_path()
for x_pubkey in txin.x_pubkeys
]
txinputtype.multisig = self._make_multisig(
txin.threshold, xpubs,
txin.stripped_signatures_with_blanks())
txinputtype.script_type = self.get_trezor_input_script_type(
txinputtype.multisig is not None)
# find which key is mine
for xpub, path in xpubs:
if xpub in xpub_path:
xpub_n = tuple(
bip32_decompose_chain_string(xpub_path[xpub]))
# Sequences cannot be added according to mypy, annoying..
txinputtype.address_n = xpub_n + path # type: ignore
break
inputs.append(txinputtype)
return inputs
