def get_master_public_key(self, bip32_path):
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 = hashlib.new('ripemd160')
h.update(hashlib.sha256(publicKey).digest())
fingerprint = unpack(">I", h.digest()[0:4])[0]
nodeData = self.dongleObject.getWalletPublicKey(bip32_path)
publicKey = bytes(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])
derivation = BIP32Derivation(
chain_code=nodeData['chainCode'],
depth=depth,
parent_fingerprint=pack_be_uint32(fingerprint),
n=childnum)
return BIP32PublicKey(PublicKey.from_bytes(publicKey), derivation,
Net.COIN)
def get_master_public_key(self, bip32_path, creating=False):
address_n = bip32_decompose_chain_string(bip32_path)
with self.run_flow(creating_wallet=creating):
node = trezorlib.btc.get_public_node(self.client, address_n).node
self.used()
derivation = BIP32Derivation(chain_code=node.chain_code,
depth=node.depth,
parent_fingerprint=pack_be_uint32(
node.fingerprint),
n=node.child_num)
return BIP32PublicKey(PublicKey.from_bytes(node.public_key),
derivation, Net.COIN)
def get_master_public_key(self, bip32_path):
address_n = bip32_decompose_chain_string(bip32_path)
creating = False
node = self.get_public_node(address_n, creating).node
self.used()
derivation = BIP32Derivation(chain_code=node.chain_code,
depth=node.depth,
parent_fingerprint=pack_be_uint32(
node.fingerprint),
n=node.child_num)
return BIP32PublicKey(PublicKey.from_bytes(node.public_key),
derivation, Net.COIN)
def get_master_public_key(self,
bip32_path: str,
creating: bool = False) -> BIP32PublicKey:
address_n = bip32_decompose_chain_string(bip32_path)
# This will be cleared by the wrapper around `get_public_node`.
self.creating_wallet = creating
node = self.get_public_node(address_n).node
self.used()
derivation = BIP32Derivation(chain_code=node.chain_code,
depth=node.depth,
parent_fingerprint=pack_be_uint32(
node.fingerprint),
n=node.child_num)
return BIP32PublicKey(PublicKey.from_bytes(node.public_key),
derivation, Net.COIN)