def show_qr(self):
text = self.tx.raw.decode("hex")
text = base_encode(text, base=43)
try:
self.parent.show_qrcode(text, "Transaction")
except Exception as e:
self.show_message(str(e))
def main(self):
add_menu()
welcome = "Use the menu to scan a transaction."
droid.fullShow(qr_layout(welcome))
while True:
event = droid.eventWait().result
if not event:
continue
elif event["name"] == "key":
if event["data"]["key"] == "4":
if self.qr_data:
self.show_qr(None)
self.show_title(welcome)
else:
break
elif event["name"] == "seed":
password = self.get_password()
if password is False:
modal_dialog("Error", "incorrect password")
continue
seed = wallet.get_mnemonic(password)
modal_dialog("Your seed is", seed)
elif event["name"] == "password":
self.change_password_dialog()
elif event["name"] == "xpub":
mpk = wallet.get_master_public_key()
self.show_qr(mpk)
self.show_title("master public key")
elif event["name"] == "scan":
r = droid.scanBarcode()
r = r.result
if not r:
continue
data = r["extras"]["SCAN_RESULT"]
data = base_decode(data.encode("utf8"), None, base=43)
data = "".join(chr(ord(b)) for b in data).encode("hex")
tx = Transaction(data)
# except:
# modal_dialog('Error', 'Cannot parse transaction')
# continue
if not wallet.can_sign(tx):
modal_dialog("Error", "Cannot sign this transaction")
continue
lines = map(lambda x: x[0] + u"\t\t" + format_satoshis(x[1]) if x[1] else x[0], tx.get_outputs())
if not modal_question("Sign?", "\n".join(lines)):
continue
password = self.get_password()
if password is False:
modal_dialog("Error", "incorrect password")
continue
droid.dialogCreateSpinnerProgress("Signing")
droid.dialogShow()
wallet.sign_transaction(tx, password)
droid.dialogDismiss()
data = base_encode(str(tx).decode("hex"), base=43)
self.show_qr(data)
self.show_title("Signed Transaction")
droid.makeToast("Bye!")
