def get_xpub(self, bip32_path, xtype):
self.checkDevice()
# bip32_path is of the form 44'/0'/1'
# S-L-O-W - we don't handle the fingerprint directly, so compute
# it manually from the previous node
# This only happens once so it's bearable
#self.get_client() # prompt for the PIN before displaying the dialog if necessary
#self.handler.show_message("Computing master public key")
splitPath = bip32_path.split('/')
if splitPath[0] == 'm':
splitPath = splitPath[1:]
bip32_path = bip32_path[2:]
fingerprint = 0
if len(splitPath) > 1:
prevPath = "/".join(splitPath[0:len(splitPath) - 1])
nodeData = self.dongleObject.getWalletPublicKey(prevPath)
publicKey = compress_public_key(nodeData['publicKey'])
h = bitcoin.hash_160(publicKey)
fingerprint = unpack(">I", h[0:4])[0]
nodeData = self.dongleObject.getWalletPublicKey(bip32_path)
publicKey = compress_public_key(nodeData['publicKey'])
depth = len(splitPath)
lastChild = splitPath[len(splitPath) - 1].split('\'')
childnum = int(lastChild[0]) if len(
lastChild) == 1 else 0x80000000 | int(lastChild[0])
xpub = bitcoin.serialize_xpub(xtype, nodeData['chainCode'], publicKey,
depth, self.i4b(fingerprint),
self.i4b(childnum))
return xpub
def get_xpub(self, bip32_path, xtype):
assert xtype in SatochipPlugin.SUPPORTED_XTYPES
try:
# needs PIN
self.cc.card_verify_PIN()
# bip32_path is of the form 44'/0'/1'
self.print_error("[get_xpub(): bip32_path = ", bip32_path)#debugSatochip
(depth, bytepath)= bip32path2bytes(bip32_path)
(childkey, childchaincode)= self.cc.card_bip32_get_extendedkey(bytepath)
if depth == 0: #masterkey
fingerprint= bytes([0,0,0,0])
child_number= bytes([0,0,0,0])
else: #get parent info
(parentkey, parentchaincode)= self.cc.card_bip32_get_extendedkey(bytepath[0:-4])
fingerprint= hash_160(parentkey.get_public_key_bytes(compressed=True))[0:4]
child_number= bytepath[-4:]
#xpub= serialize_xpub('standard', childchaincode, childkey.get_public_key_bytes(compressed=True), depth, fingerprint, child_number)
xpub= serialize_xpub(xtype, childchaincode, childkey.get_public_key_bytes(compressed=True), depth, fingerprint, child_number)
self.print_error("SatochipClient: get_xpub(): xpub=", xpub)#debugSatochip
return xpub
# return BIP32Node(xtype=xtype,
# eckey=childkey,
# chaincode=childchaincode,
# depth=depth,
# fingerprint=fingerprint,
# child_number=child_number).to_xpub()
except Exception as e:
self.print_error(repr(e))
return None
def get_xpub(self, bip32_path, xtype):
assert xtype in SatochipPlugin.SUPPORTED_XTYPES
try:
hex_authentikey = self.handler.win.wallet.storage.get(
'authentikey')
self.print_error(
"get_xpub(): self.handler.win.wallet.storage.authentikey:",
hex_authentikey) #debugSatochip
if hex_authentikey is not None:
self.cc.parser.authentikey_from_storage = ECPubkey(
bytes.fromhex(hex_authentikey))
except Exception as e: #attributeError?
self.print_error(
"get_xpub(): exception when getting authentikey from self.handler.win.wallet.storage:",
str(e)) #debugSatochip
try:
# needs PIN
self.cc.card_verify_PIN()
# bip32_path is of the form 44'/0'/1'
self.print_error("[get_xpub(): bip32_path = ",
bip32_path) #debugSatochip
(depth, bytepath) = bip32path2bytes(bip32_path)
(childkey,
childchaincode) = self.cc.card_bip32_get_extendedkey(bytepath)
if depth == 0: #masterkey
fingerprint = bytes([0, 0, 0, 0])
child_number = bytes([0, 0, 0, 0])
else: #get parent info
(parentkey,
parentchaincode) = self.cc.card_bip32_get_extendedkey(
bytepath[0:-4])
fingerprint = hash_160(
parentkey.get_public_key_bytes(compressed=True))[0:4]
child_number = bytepath[-4:]
#xpub= serialize_xpub('standard', childchaincode, childkey.get_public_key_bytes(compressed=True), depth, fingerprint, child_number)
xpub = serialize_xpub(
xtype, childchaincode,
childkey.get_public_key_bytes(compressed=True), depth,
fingerprint, child_number)
self.print_error("SatochipClient: get_xpub(): xpub=",
xpub) #debugSatochip
return xpub
# return BIP32Node(xtype=xtype,
# eckey=childkey,
# chaincode=childchaincode,
# depth=depth,
# fingerprint=fingerprint,
# child_number=child_number).to_xpub()
except Exception as e:
self.print_error(repr(e))
return None
def tx_from_components(all_components, session_hash):
""" Returns the tx and a list of indices matching inputs with components"""
input_indices = []
assert len(session_hash) == 32
if Protocol.FUSE_ID is None:
prefix = []
else:
assert len(Protocol.FUSE_ID) == 4
prefix = [4, *Protocol.FUSE_ID]
inputs = []
outputs = [
(TYPE_SCRIPT,
ScriptOutput(bytes([OpCodes.OP_RETURN, *prefix, 32]) + session_hash),
0)
]
for i, compser in enumerate(all_components):
comp = pb.Component()
comp.ParseFromString(compser)
ctype = comp.WhichOneof('component')
if ctype == 'input':
inp = comp.input
if len(inp.prev_txid) != 32:
raise FusionError("bad component prevout")
inputs.append(
dict(address=Address.from_P2PKH_hash(hash_160(inp.pubkey)),
prevout_hash=inp.prev_txid[::-1].hex(),
prevout_n=inp.prev_index,
num_sig=1,
signatures=[None],
type='p2pkh',
x_pubkeys=[inp.pubkey.hex()],
pubkeys=[inp.pubkey.hex()],
sequence=0xffffffff,
value=inp.amount))
input_indices.append(i)
elif ctype == 'output':
out = comp.output
atype, addr = get_address_from_output_script(out.scriptpubkey)
if atype != TYPE_ADDRESS:
raise FusionError("bad component address")
outputs.append((TYPE_ADDRESS, addr, out.amount))
elif ctype != 'blank':
raise FusionError("bad component")
tx = Transaction.from_io(inputs, outputs, locktime=0, sign_schnorr=True)
tx.version = 1
return tx, input_indices
def get_xpub(self, bip32_path, xtype):
assert xtype in SatochipPlugin.SUPPORTED_XTYPES
try:
hex_authentikey = self.handler.win.wallet.storage.get(
'authentikey')
print_error(
"[satochip] SatochipClient: get_xpub(): self.handler.win.wallet.storage.authentikey:"
+ str(hex_authentikey)) #debugSatochip
if hex_authentikey is not None:
self.parser.authentikey_from_storage = ECPubkey(
bytes.fromhex(hex_authentikey))
except Exception as e: #attributeError?
print_error(
"[satochip] SatochipClient: get_xpub(): exception when getting authentikey from self.handler.win.wallet.storage:"
+ str(e)) #debugSatochip
# bip32_path is of the form 44'/0'/1'
print_error("[satochip] SatochipClient: get_xpub(): bip32_path=" +
bip32_path) #debugSatochip
(depth, bytepath) = bip32path2bytes(bip32_path)
(childkey,
childchaincode) = self.cc.card_bip32_get_extendedkey(bytepath)
#print_error("[satochip] SatochipClient: get_xpub(): depth="+str(depth))#debugSatochip
if depth == 0: #masterkey
fingerprint = bytes([0, 0, 0, 0])
child_number = bytes([0, 0, 0, 0])
else: #get parent info
#print_error("[satochip] SatochipClient: get_xpub(): get xpub for parent")#debugSatochip
(parentkey, parentchaincode) = self.cc.card_bip32_get_extendedkey(
bytepath[0:-4])
fingerprint = hash_160(
parentkey.get_public_key_bytes(compressed=True))[0:4]
child_number = bytepath[-4:]
#xpub= serialize_xpub('standard', childchaincode, childkey.get_public_key_bytes(compressed=True), depth, fingerprint, child_number)
xpub = serialize_xpub(xtype, childchaincode,
childkey.get_public_key_bytes(compressed=True),
depth, fingerprint, child_number)
print_error("[satochip] SatochipClient: get_xpub(): xpub=" +
str(xpub)) #debugSatochip
return xpub