def sign_transaction(self, tx, password):
if self.has_seed():
return BIP32_HD_Wallet.sign_transaction(self, tx, password)
if tx.is_complete():
return
if not self.check_proper_device():
give_error('Wrong device or password')
# previous transactions used as inputs
prev_tx = {}
# path of the xpubs that are involved
xpub_path = {}
for txin in tx.inputs:
tx_hash = txin['prevout_hash']
ptx = self.transactions.get(tx_hash)
if ptx is None:
ptx = self.network.synchronous_get(('blockchain.transaction.get', [tx_hash]))
ptx = Transaction(ptx)
prev_tx[tx_hash] = ptx
for x_pubkey in txin['x_pubkeys']:
account_derivation = None
if not is_extended_pubkey(x_pubkey):
continue
xpub = x_to_xpub(x_pubkey)
for k, v in self.master_public_keys.items():
if v == xpub:
account_id = re.match("x/(\d+)'", k).group(1)
account_derivation = "44'/2'/%s'"%account_id
if account_derivation is not None:
xpub_path[xpub] = account_derivation
self.plugin.sign_transaction(tx, prev_tx, xpub_path)
def tx_inputs(self, tx, for_sig=False):
inputs = []
for txin in tx.inputs:
txinputtype = types.TxInputType()
if txin.get('is_coinbase'):
prev_hash = "\0"*32
prev_index = 0xffffffff # signed int -1
else:
if for_sig:
x_pubkeys = txin['x_pubkeys']
if len(x_pubkeys) == 1:
x_pubkey = x_pubkeys[0]
xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
xpub_n = self.get_client().expand_path(self.xpub_path[xpub])
txinputtype.address_n.extend(xpub_n + s)
else:
def f(x_pubkey):
if is_extended_pubkey(x_pubkey):
xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
else:
xpub = xpub_from_pubkey(x_pubkey.decode('hex'))
s = []
node = ckd_public.deserialize(xpub)
return types.HDNodePathType(node=node, address_n=s)
pubkeys = map(f, x_pubkeys)
multisig = types.MultisigRedeemScriptType(
pubkeys=pubkeys,
signatures=map(lambda x: x.decode('hex') if x else '', txin.get('signatures')),
m=txin.get('num_sig'),
)
txinputtype = types.TxInputType(
script_type=types.SPENDMULTISIG,
multisig= multisig
)
# find which key is mine
for x_pubkey in x_pubkeys:
if is_extended_pubkey(x_pubkey):
xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
if xpub in self.xpub_path:
xpub_n = self.get_client().expand_path(self.xpub_path[xpub])
txinputtype.address_n.extend(xpub_n + s)
break
prev_hash = unhexlify(txin['prevout_hash'])
prev_index = txin['prevout_n']
txinputtype.prev_hash = prev_hash
txinputtype.prev_index = prev_index
if 'scriptSig' in txin:
script_sig = txin['scriptSig'].decode('hex')
txinputtype.script_sig = script_sig
if 'sequence' in txin:
sequence = txin['sequence']
txinputtype.sequence = sequence
inputs.append(txinputtype)
return inputs
def sign_transaction(self, tx, password):
if self.has_seed():
return BIP32_HD_Wallet.sign_transaction(self, tx, password)
if tx.is_complete():
return
if not self.check_proper_device():
give_error('Wrong device or password')
# previous transactions used as inputs
prev_tx = {}
# path of the xpubs that are involved
xpub_path = {}
for txin in tx.inputs:
tx_hash = txin['prevout_hash']
ptx = self.transactions.get(tx_hash)
if ptx is None:
ptx = self.network.synchronous_get(
('blockchain.transaction.get', [tx_hash]))
ptx = Transaction(ptx)
prev_tx[tx_hash] = ptx
for x_pubkey in txin['x_pubkeys']:
account_derivation = None
if not is_extended_pubkey(x_pubkey):
continue
xpub = x_to_xpub(x_pubkey)
for k, v in self.master_public_keys.items():
if v == xpub:
account_id = re.match("x/(\d+)'", k).group(1)
account_derivation = "44'/2'/%s'" % account_id
if account_derivation is not None:
xpub_path[xpub] = account_derivation
self.plugin.sign_transaction(tx, prev_tx, xpub_path)
def f(x_pubkey):
if is_extended_pubkey(x_pubkey):
xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
else:
xpub = xpub_from_pubkey(x_pubkey.decode('hex'))
s = []
node = ckd_public.deserialize(xpub)
return types.HDNodePathType(node=node, address_n=s)
def f(x_pubkey):
if is_extended_pubkey(x_pubkey):
xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
else:
xpub = xpub_from_pubkey(x_pubkey.decode('hex'))
s = []
node = ckd_public.deserialize(xpub)
return types.HDNodePathType(node=node, address_n=s)
def tx_inputs(self, tx, for_sig=False):
inputs = []
for txin in tx.inputs:
txinputtype = types.TxInputType()
if txin.get('is_coinbase'):
prev_hash = "\0" * 32
prev_index = 0xffffffff # signed int -1
else:
if for_sig:
x_pubkeys = txin['x_pubkeys']
if len(x_pubkeys) == 1:
x_pubkey = x_pubkeys[0]
xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
xpub_n = self.get_client().expand_path(
self.xpub_path[xpub])
txinputtype.address_n.extend(xpub_n + s)
else:
def f(x_pubkey):
if is_extended_pubkey(x_pubkey):
xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
else:
xpub = xpub_from_pubkey(x_pubkey.decode('hex'))
s = []
node = ckd_public.deserialize(xpub)
return types.HDNodePathType(node=node, address_n=s)
pubkeys = map(f, x_pubkeys)
multisig = types.MultisigRedeemScriptType(
pubkeys=pubkeys,
signatures=map(
lambda x: x.decode('hex') if x else '',
txin.get('signatures')),
m=txin.get('num_sig'),
)
txinputtype = types.TxInputType(
script_type=types.SPENDMULTISIG, multisig=multisig)
# find which key is mine
for x_pubkey in x_pubkeys:
if is_extended_pubkey(x_pubkey):
xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
if xpub in self.xpub_path:
xpub_n = self.get_client().expand_path(
self.xpub_path[xpub])
txinputtype.address_n.extend(xpub_n + s)
break
prev_hash = unhexlify(txin['prevout_hash'])
prev_index = txin['prevout_n']
txinputtype.prev_hash = prev_hash
txinputtype.prev_index = prev_index
if 'scriptSig' in txin:
script_sig = txin['scriptSig'].decode('hex')
txinputtype.script_sig = script_sig
if 'sequence' in txin:
sequence = txin['sequence']
txinputtype.sequence = sequence
inputs.append(txinputtype)
return inputs