def on_qr(self, data):
from electrum_ltc.bitcoin import base_decode, is_address
data = data.strip()
if is_address(data):
self.set_URI(data)
return
if data.startswith('litecoin:'):
self.set_URI(data)
return
if data.startswith('ln'):
self.set_ln_invoice(data)
return
# try to decode transaction
from electrum_ltc.transaction import Transaction
from electrum_ltc.util import bh2u
try:
text = bh2u(base_decode(data, None, base=43))
tx = Transaction(text)
tx.deserialize()
except:
tx = None
if tx:
self.tx_dialog(tx)
return
# show error
self.show_error("Unable to decode QR data")
def test_base43(self):
tx_hex = "020000000001021cd0e96f9ca202e017ca3465e3c13373c0df3a4cdd91c1fd02ea42a1a65d2a410000000000fdffffff757da7cf8322e5063785e2d8ada74702d2648fa2add2d533ba83c52eb110df690200000000fdffffff02d07e010000000000160014b544c86eaf95e3bb3b6d2cabb12ab40fc59cad9ca086010000000000232102ce0d066fbfcf150a5a1bbc4f312cd2eb080e8d8a47e5f2ce1a63b23215e54fb5ac02483045022100a9856bf10a950810abceeabc9a86e6ba533e130686e3d7863971b9377e7c658a0220288a69ef2b958a7c2ecfa376841d4a13817ed24fa9a0e0a6b9cb48e6439794c701210324e291735f83ff8de47301b12034950b80fa4724926a34d67e413d8ff8817c53024830450221008f885978f7af746679200ed55fe2e86c1303620824721f95cc41eb7965a3dfcf02207872082ac4a3c433d41a203e6d685a459e70e551904904711626ac899238c20a0121023d4c9deae1aacf3f822dd97a28deaec7d4e4ff97be746d124a63d20e582f5b290a971600"
tx_bytes = bfh(tx_hex)
tx_base43 = base_encode(tx_bytes, 43)
self.assertEqual(
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
tx_base43)
self.assertEqual(tx_bytes, base_decode(tx_base43, None, 43))
def test_base58(self):
data_hex = '0cd394bef396200774544c58a5be0189f3ceb6a41c8da023b099ce547dd4d8071ed6ed647259fba8c26382edbf5165dfd2404e7a8885d88437db16947a116e451a5d1325e3fd075f9d370120d2ab537af69f32e74fc0ba53aaaa637752964b3ac95cfea7'
data_bytes = bfh(data_hex)
data_base58 = base_encode(data_bytes, 58)
self.assertEqual(
"VuvZ2K5UEcXCVcogny7NH4Evd9UfeYipsTdWuU4jLDhyaESijKtrGWZTFzVZJPjaoC9jFBs3SFtarhDhQhAxkXosUD8PmUb5UXW1tafcoPiCp8jHy7Fe2CUPXAbYuMvAyrkocbe6",
data_base58)
self.assertEqual(data_bytes, base_decode(data_base58, None, 58))
def on_qr(self, data):
if data.startswith('litecoin:'):
self.set_URI(data)
return
# try to decode transaction
from electrum_ltc.bitcoin import base_decode
from electrum_ltc.transaction import Transaction
try:
text = base_decode(data, None, base=43).encode('hex')
tx = Transaction(text)
except:
tx = None
if tx:
self.tx_dialog(tx)
return
# show error
self.show_error("Unable to decode QR data")
def on_qr(self, data):
if data.startswith('litecoin:'):
self.set_URI(data)
return
# try to decode transaction
from electrum_ltc.bitcoin import base_decode
from electrum_ltc.transaction import Transaction
try:
text = base_decode(data, None, base=43).encode('hex')
tx = Transaction(text)
except:
tx = None
if tx:
self.tx_dialog(tx)
return
# show error
self.show_error("Unable to decode QR data")
def on_qr(self, data):
from electrum_ltc.bitcoin import base_decode, is_address
data = data.strip()
if is_address(data):
self.set_URI(data)
return
if data.startswith('litecoin:'):
self.set_URI(data)
return
# try to decode transaction
from electrum_ltc.transaction import Transaction
from electrum_ltc.util import bh2u
try:
text = bh2u(base_decode(data, None, base=43))
tx = Transaction(text)
tx.deserialize()
except:
tx = None
if tx:
self.tx_dialog(tx)
return
# show error
self.show_error("Unable to decode QR data")
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!")
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!")
