def test_is_bip32_derivation(self):
self.assertTrue(is_bip32_derivation("m/0'/1"))
self.assertTrue(is_bip32_derivation("m/0'/0'"))
self.assertTrue(is_bip32_derivation("m/44'/0'/0'/0/0"))
self.assertTrue(is_bip32_derivation("m/49'/0'/0'/0/0"))
self.assertFalse(is_bip32_derivation("mmmmmm"))
self.assertFalse(is_bip32_derivation("n/"))
self.assertFalse(is_bip32_derivation(""))
self.assertFalse(is_bip32_derivation("m/q8462"))
def test_is_bip32_derivation(self):
self.assertTrue(is_bip32_derivation("m/0'/1"))
self.assertTrue(is_bip32_derivation("m/0'/0'"))
self.assertTrue(is_bip32_derivation("m/44'/0'/0'/0/0"))
self.assertTrue(is_bip32_derivation("m/49'/0'/0'/0/0"))
self.assertFalse(is_bip32_derivation("mmmmmm"))
self.assertFalse(is_bip32_derivation("n/"))
self.assertFalse(is_bip32_derivation(""))
self.assertFalse(is_bip32_derivation("m/q8462"))
elif args.master_key:
try:
master_key = bip32.BIP32Node.from_xkey(sys.stdin.readline().strip(
) if args.master_key == '-' else args.master_key)
except BaseException:
sys.exit("Invalid master key\n")
if args.convert:
if args.gen_master:
sys.exit("Convert option cannot be used with generate master option")
else:
convert_type = args.convert if args.convert != "p2pkh" else "standard"
master_key = master_key._replace(xtype=convert_type)
derivation_path = args.derivation_path if args.derivation_path != "m" else "m/"
if bip32.is_bip32_derivation(derivation_path):
if not master_key.is_private():
if args.output_xprv:
sys.exit(
"Cannot derive extended private key from extended public key\n"
)
if derivation_path == "m/":
print(master_key.to_xpub())
else:
try:
xpub = master_key.subkey_at_public_derivation(derivation_path)
sys.stderr.write(
"Derivation Path: {}\n".format(derivation_path))
except BaseException:
sys.exit(
"Invalid derivation path. Private derivation is not possible with extended public keys.\n"
if args.convert:
if args.gen_master:
sys.exit( "Convert option cannot be used with generate master option" )
else:
convert_type = args.convert if args.convert !="p2pkh" else "standard"
if bip32.is_xpub(master_key):
xtype, depth, fingerprint, child_number, c, K_or_k = bip32.deserialize_xpub( master_key )
master_key = bip32.serialize_xpub( convert_type, c, K_or_k, depth, fingerprint, child_number )
elif bip32.is_xprv(master_key):
xtype, depth, fingerprint, child_number, c, K_or_k = bip32.deserialize_xprv( master_key )
master_key = bip32.serialize_xprv( convert_type, c, K_or_k, depth, fingerprint, child_number )
else:
sys.exit( "Master key is not a valid extended key" )
derivation_path = args.derivation_path if args.derivation_path != "m" else "m/"
if bip32.is_bip32_derivation( derivation_path ):
if bip32.is_xpub(master_key):
if args.output_xprv:
sys.exit( "Cannot derive extended private key from extended public key\n" )
if derivation_path == "m/":
print( master_key )
else:
try:
xpub = bip32.bip32_public_derivation( master_key, "m/", derivation_path )
sys.stderr.write( "Derivation Path: {}\n".format( derivation_path ) )
except BaseException:
sys.exit( "Invalid derivation path. Private derivation is not possible with extended public keys.\n" )
else:
print( xpub )
elif bip32.is_xprv( master_key ):
try:
def verify_derivation_path(self, path):
return is_bip32_derivation(path)
