def on_qr(self, data): from electrum.bitcoin import base_decode, is_address data = data.strip() if is_address(data): self.set_URI(data) return if data.startswith('bitcoin:'): self.set_URI(data) return # try to decode transaction from electrum.transaction import Transaction from electrum.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 do_paste(self): data = self.app._clipboard.paste().strip() if not data: self.app.show_info(_("Clipboard is empty")) return # try to decode as transaction try: raw_tx = tx_from_str(data) tx = Transaction(raw_tx) tx.deserialize() except: tx = None if tx: self.app.tx_dialog(tx) return lower = data.lower() if lower.startswith('lightning:ln'): lower = lower[10:] # try to decode as URI/address if lower.startswith('ln'): self.set_ln_invoice(lower) else: self.set_URI(data)
def on_otp(self, tx: PartialTransaction, otp): if not otp: self.logger.info("sign_transaction: no auth code") return otp = int(otp) long_user_id, short_id = self.get_user_id() raw_tx = tx.serialize_as_bytes().hex() assert raw_tx[:10] == "70736274ff", f"bad magic. {raw_tx[:10]}" try: r = server.sign(short_id, raw_tx, otp) except TrustedCoinException as e: if e.status_code == 400: # invalid OTP raise UserFacingException(_('Invalid one-time password.')) from e else: raise if r: received_raw_tx = r.get('transaction') received_tx = Transaction(received_raw_tx) tx.combine_with_other_psbt(received_tx) self.logger.info(f"twofactor: is complete {tx.is_complete()}") # reset billing_info self.billing_info = None self.plugin.start_request_thread(self)
def test_extract_commitment_number_from_tx(self): raw_tx = "02000000000101bef67e4e2fb9ddeeb3461973cd4c62abb35050b1add772995b820b584a488489000000000038b02b8007e80300000000000022002052bfef0479d7b293c27e0f1eb294bea154c63a3294ef092c19af51409bce0e2ad007000000000000220020403d394747cae42e98ff01734ad5c08f82ba123d3d9a620abda88989651e2ab5d007000000000000220020748eba944fedc8827f6b06bc44678f93c0f9e6078b35c6331ed31e75f8ce0c2db80b000000000000220020c20b5d1f8584fd90443e7b7b720136174fa4b9333c261d04dbbd012635c0f419a00f0000000000002200208c48d15160397c9731df9bc3b236656efb6665fbfe92b4a6878e88a499f741c4c0c62d0000000000160014ccf1af2f2aabee14bb40fa3851ab2301de843110e0a06a00000000002200204adb4e2f00643db396dd120d4e7dc17625f5f2c11a40d857accc862d6b7dd80e04004730440220275b0c325a5e9355650dc30c0eccfbc7efb23987c24b556b9dfdd40effca18d202206caceb2c067836c51f296740c7ae807ffcbfbf1dd3a0d56b6de9a5b247985f060147304402204fd4928835db1ccdfc40f5c78ce9bd65249b16348df81f0c44328dcdefc97d630220194d3869c38bc732dd87d13d2958015e2fc16829e74cd4377f84d215c0b7060601475221023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb21030e9f7b623d2ccc7c9bd44d66d5ce21ce504c0acf6385a132cec6d3c39fa711c152ae3e195220" tx = Transaction(raw_tx) self.assertEqual(commitment_number, extract_ctn_from_tx(tx, 0, local_payment_basepoint, remote_payment_basepoint))
def test_verify_ok_t_tx(self): """Actually mined 64 byte tx should not raise.""" t_tx = Transaction(VALID_64_BYTE_TX) t_tx_hash = t_tx.txid() self.assertEqual(MERKLE_ROOT, hash_merkle_root(MERKLE_BRANCH, t_tx_hash, 3))
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 combine_transactions(transaction_bin): transactions = list( map(lambda tx_bin: Transaction(tx_from_str(tx_bin)), transaction_bin)) tx0 = transactions[0] tx0.deserialize(True) return tx0
async def get_tx_async(tx): result = await network.interface.session.send_request( "blockchain.transaction.get", [tx, True]) result_formatted = Transaction(result).deserialize() result_formatted.update({"confirmations": result["confirmations"]}) return result_formatted