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")
if xtype in ['p2wpkh', 'p2wsh'] and not self.supports_native_segwit():
raise UserFacingException(MSG_NEEDS_FW_UPDATE_SEGWIT)
if xtype in ['p2wpkh-p2sh', 'p2wsh-p2sh'] and not self.supports_segwit():
raise UserFacingException(MSG_NEEDS_FW_UPDATE_SEGWIT)
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 = hashlib.new('ripemd160')
h.update(hashlib.sha256(publicKey).digest())
fingerprint = unpack(">I", h.digest()[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])
return BIP32Node(xtype=xtype,
eckey=ecc.ECPubkey(publicKey),
chaincode=nodeData['chainCode'],
depth=depth,
fingerprint=self.i4b(fingerprint),
child_number=self.i4b(childnum)).to_xpub()
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")
if xtype in ['p2wpkh', 'p2wsh'] and not self.supports_native_segwit():
raise UserFacingException(MSG_NEEDS_FW_UPDATE_SEGWIT)
if xtype in ['p2wpkh-p2sh', 'p2wsh-p2sh'] and not self.supports_segwit():
raise UserFacingException(MSG_NEEDS_FW_UPDATE_SEGWIT)
bip32_path = bip32.normalize_bip32_derivation(bip32_path)
bip32_intpath = bip32.convert_bip32_path_to_list_of_uint32(bip32_path)
bip32_path = bip32_path[2:] # cut off "m/"
if len(bip32_intpath) >= 1:
prevPath = bip32.convert_bip32_intpath_to_strpath(bip32_intpath[:-1])[2:]
nodeData = self.dongleObject.getWalletPublicKey(prevPath)
publicKey = compress_public_key(nodeData['publicKey'])
fingerprint_bytes = hash_160(publicKey)[0:4]
childnum_bytes = bip32_intpath[-1].to_bytes(length=4, byteorder="big")
else:
fingerprint_bytes = bytes(4)
childnum_bytes = bytes(4)
nodeData = self.dongleObject.getWalletPublicKey(bip32_path)
publicKey = compress_public_key(nodeData['publicKey'])
depth = len(bip32_intpath)
return BIP32Node(xtype=xtype,
eckey=ecc.ECPubkey(bytes(publicKey)),
chaincode=nodeData['chainCode'],
depth=depth,
fingerprint=fingerprint_bytes,
child_number=childnum_bytes).to_xpub()
def make_xpub(xpub, s) -> str:
rootnode = BIP32Node.from_xkey(xpub)
child_pubkey, child_chaincode = bip32._CKD_pub(parent_pubkey=rootnode.eckey.get_public_key_bytes(compressed=True),
parent_chaincode=rootnode.chaincode,
child_index=s)
child_node = BIP32Node(xtype=rootnode.xtype,
eckey=ecc.ECPubkey(child_pubkey),
chaincode=child_chaincode)
return child_node.to_xpub()
def get_xpub(self, bip32_path, xtype):
address_n = self.expand_path(bip32_path)
creating = False
node = self.get_public_node(address_n, creating).node
return BIP32Node(xtype=xtype,
eckey=ecc.ECPubkey(node.public_key),
chaincode=node.chain_code,
depth=node.depth,
fingerprint=self.i4b(node.fingerprint),
child_number=self.i4b(node.child_num)).to_xpub()
def get_xpub(self, bip32_path, xtype, creating=False):
address_n = parse_path(bip32_path)
with self.run_flow(creating_wallet=creating):
node = trezorlib.btc.get_public_node(self.client, address_n).node
return BIP32Node(xtype=xtype,
eckey=ecc.ECPubkey(node.public_key),
chaincode=node.chain_code,
depth=node.depth,
fingerprint=self.i4b(node.fingerprint),
child_number=self.i4b(node.child_num)).to_xpub()
def get_xpub(self, bip32_path, xtype, creating=False):
address_n = parse_path(bip32_path)
with self.run_flow(creating_wallet=creating):
if xtype == "standard":
xtype = 'p2pkh'
node = trezorlib.btc.get_public_node(
self.client,
address_n,
coin_name=self.plugin.get_coin_name(),
script_type=self.plugin.get_trezor_input_script_type(
xtype)).node
return BIP32Node(xtype=xtype if xtype != "p2pkh" else 'standard',
eckey=ecc.ECPubkey(node.public_key),
chaincode=node.chain_code,
depth=node.depth,
fingerprint=self.i4b(node.fingerprint),
child_number=self.i4b(node.child_num)).to_xpub()
