async def show_xpub(self, derivation, show_screen):
self.show_loader(title="Deriving the key...")
derivation = derivation.rstrip("/")
net = NETWORKS[self.network]
xpub = self.keystore.get_xpub(derivation)
ver = bip32.detect_version(derivation, default="xpub", network=net)
canonical = xpub.to_base58(net["xpub"])
slip132 = xpub.to_base58(ver)
if slip132 == canonical:
slip132 = None
fingerprint = hexlify(self.keystore.fingerprint).decode()
prefix = "[%s%s]" % (
fingerprint,
derivation[1:],
)
res = await show_screen(XPubScreen(xpub=canonical, slip132=slip132, prefix=prefix))
if res == XPubScreen.CREATE_WALLET:
await self.create_wallet(derivation, canonical, prefix, ver, show_screen)
elif res:
filename = "%s-%s.txt" % (fingerprint, derivation[2:].replace("/", "-"))
self.write_file(filename, res)
await show_screen(
Alert("Saved!",
"Extended public key is saved to the file:\n\n%s" % filename,
button_text="Close")
)
async def show_xpub(self, derivation, show_screen):
self.show_loader(title="Deriving the key...")
derivation = derivation.rstrip("/")
net = NETWORKS[self.network]
xpub = self.keystore.get_xpub(derivation)
ver = bip32.detect_version(derivation, default="xpub", network=net)
canonical = xpub.to_base58(net["xpub"])
slip132 = xpub.to_base58(ver)
if slip132 == canonical:
slip132 = None
fingerprint = hexlify(self.keystore.fingerprint).decode()
prefix = "[%s%s]" % (
fingerprint,
derivation[1:],
)
res = await show_screen(
XPubScreen(xpub=canonical, slip132=slip132, prefix=prefix))
if res:
fname = "%s-%s.txt" % (fingerprint, derivation[2:].replace(
"/", "-"))
if not platform.is_sd_present():
raise AppError("SD card is not present")
platform.mount_sdcard()
with open(platform.fpath("/sd/%s" % fname), "w") as f:
f.write(res)
platform.unmount_sdcard()
await show_screen(
Alert("Saved!",
"Extended public key is saved to the file:\n\n%s" %
fname,
button_text="Close"))
async def show_xpub(self, derivation, show_screen):
derivation = derivation.rstrip("/")
net = NETWORKS[self.network]
xpub = self.keystore.get_xpub(derivation)
ver = bip32.detect_version(derivation, default="xpub", network=net)
canonical = xpub.to_base58(net["xpub"])
slip132 = xpub.to_base58(ver)
if slip132 == canonical:
slip132 = None
prefix = "[%s%s]" % (hexlify(
self.keystore.fingerprint).decode(), derivation[1:])
await show_screen(
XPubScreen(xpub=canonical, slip132=slip132, prefix=prefix))
def save_all_to_sd(self, file_format):
fingerprint = hexlify(self.keystore.fingerprint).decode()
extension = "json"
coin = NETWORKS[self.network]["bip32"]
derivations = [
('bip84', "p2wpkh", "m/84'/%d'/%d'" % (coin, self.account)),
('bip86', "p2tr", "m/86'/%d'/%d'" % (coin, self.account)),
('bip49', "p2sh-p2wpkh", "m/49'/%d'/%d'" % (coin, self.account)),
('bip44', "p2pkh", "m/44'/%d'/%d'" % (coin, self.account)),
('bip48_1', "p2sh-p2wsh", "m/48'/%d'/%d'/1'" % (coin, self.account)),
('bip48_2', "p2wsh", "m/48'/%d'/%d'/2'" % (coin, self.account)),
]
if file_format == self.export_specter_diy:
# text file with [fgp/der]xpub lines
filedata = ""
for der in derivations:
xpub = self.keystore.get_xpub(der[2])
filedata += "[%s/%s]%s\n" % (fingerprint, der[2][2:].replace("'","h"), xpub.to_base58(NETWORKS[self.network]["xpub"]))
extension = "txt"
else:
# coldcard generic json format
m = self.keystore.get_xpub("m")
data = {
"xpub": m.to_base58(NETWORKS[self.network]["xpub"]),
"xfp": fingerprint,
"account": self.account,
"chain": "BTC" if self.network == "main" else "XTN"
}
for der in derivations:
xpub = self.keystore.get_xpub(der[2])
data[der[0]] = {
"name": der[1],
"deriv": der[2],
"xpub": xpub.to_base58(NETWORKS[self.network]["xpub"]),
"_pub": xpub.to_base58(bip32.detect_version(der[2], default="xpub", network=NETWORKS[self.network]))
}
filedata = json.dumps(data).encode()
filename = "%s-%s-%d-all.%s" % (file_format, fingerprint, self.account, extension)
self.write_file(filename, filedata)
return filename
def get_xpub(self, derivation):
xprv = self.root.derive(derivation)
ver = bip32.detect_version(derivation, network=self.network)
xprv.version = ver
return xprv.to_public()
def get_xpub(self, derivation):
xpub = self.root.derive(derivation)
ver = bip32.detect_version(derivation)
xpub.version = ver
return xpub.to_public()
