def get_xpub(self, bip32_path):
self.checkDevice()
# bip32_path is of the form 44'/5'/1'
# S-L-O-W - we don't handle the fingerprint directly, so compute
# it manually from the previous node
# This only happens once so it's bearable
#self.get_client() # prompt for the PIN before displaying the dialog if necessary
#self.handler.show_message("Computing master public key")
try:
splitPath = bip32_path.split('/')
if splitPath[0] == 'm':
splitPath = splitPath[1:]
bip32_path = bip32_path[2:]
fingerprint = 0
if len(splitPath) > 1:
prevPath = "/".join(splitPath[0:len(splitPath) - 1])
nodeData = self.dongleObject.getWalletPublicKey(prevPath)
publicKey = compress_public_key(nodeData['publicKey'])
h = hashlib.new('ripemd160')
h.update(hashlib.sha256(publicKey).digest())
fingerprint = unpack(">I", h.digest()[0:4])[0]
nodeData = self.dongleObject.getWalletPublicKey(bip32_path)
publicKey = compress_public_key(nodeData['publicKey'])
depth = len(splitPath)
lastChild = splitPath[len(splitPath) - 1].split('\'')
if len(lastChild) == 1:
childnum = int(lastChild[0])
else:
childnum = 0x80000000 | int(lastChild[0])
xpub = bitcoin.serialize_xpub(0, str(nodeData['chainCode']), str(publicKey), depth, self.i4b(fingerprint), self.i4b(childnum))
return xpub
except Exception as e:
print_error(e)
return None
def import_masternode_conf_lines(self, conf_lines, password):
"""Import a list of MasternodeConfLine."""
def already_have(line):
for masternode in self.masternodes:
# Don't let aliases collide.
if masternode.alias == line.alias:
return True
# Don't let outputs collide.
if masternode.vin.get('prevout_hash') == line.txid and masternode.vin.get('prevout_n') == line.output_index:
return True
return False
num_imported = 0
for conf_line in conf_lines:
if already_have(conf_line):
continue
# Import delegate WIF key for signing last_ping.
self.import_masternode_delegate(conf_line.wif)
public_key = bitcoin.public_key_from_private_key(conf_line.wif)
addr = conf_line.addr.split(':')
addr = NetworkAddress(ip=addr[0], port=int(addr[1]))
vin = {'prevout_hash': conf_line.txid, 'prevout_n': conf_line.output_index}
mn = MasternodeAnnounce(alias=conf_line.alias, vin=vin,
delegate_key = public_key, addr=addr)
self.add_masternode(mn)
try:
self.populate_masternode_output(mn.alias)
except Exception as e:
print_error(str(e))
num_imported += 1
return num_imported
def give_error(self, message, clear_client = False):
print_error(message)
if not self.signing:
self.handler.show_error(message)
else:
self.signing = False
if clear_client:
self.client = None
raise Exception(message)
def submit_thread():
for i, (proposal_name,
txid) in enumerate(self.unsubmitted_proposals):
errmsg, success = self.parent.masternode_manager.submit_proposal(
proposal_name, save=False)
results[i] = (proposal_name, errmsg, success)
if success:
print_error('Sucessfully submitted proposal "%s"' %
proposal_name)
else:
print_error('Failed to submit proposal "%s": %s' %
(proposal_name, errmsg))
return results
def hid_send_encrypt(self, msg):
reply = ""
try:
secret = Hash(self.password)
msg = EncodeAES(secret, msg)
reply = self.hid_send_plain(msg)
if 'ciphertext' in reply:
reply = DecodeAES(secret, ''.join(reply["ciphertext"]))
reply = json.loads(reply)
if 'error' in reply:
self.password = None
except Exception as e:
print_error('Exception caught ' + str(e))
return reply
def create_proposal_tx(self, proposal_name, password, save = True):
"""Create a fee transaction for proposal_name."""
proposal = self.get_proposal(proposal_name)
if proposal.fee_txid:
print_error('Warning: Proposal "%s" already has a fee tx: %s' % (proposal_name, proposal.fee_txid))
if proposal.submitted:
raise Exception('Proposal has already been submitted')
h = bitcoin.hash_decode(proposal.get_hash()).encode('hex')
script = '6a20' + h # OP_RETURN hash
outputs = [(bitcoin.TYPE_SCRIPT, script.decode('hex'), BUDGET_FEE_TX)]
tx = self.wallet.mktx(outputs, password, self.config)
proposal.fee_txid = tx.hash()
if save:
self.save()
return tx
def masternode_subscription_response(self, response):
"""Callback for when a masternode's status changes."""
collateral = response['params'][0]
mn = None
for masternode in self.masternodes:
if masternode.get_collateral_str() == collateral:
mn = masternode
break
if not mn:
return
status = response['result']
if status is None:
status = False
print_error('Received updated status for masternode %s: "%s"' % (mn.alias, status))
self.masternode_statuses[collateral] = status
def hid_send_plain(self, msg):
reply = ""
try:
serial_number = self.dbb_hid.get_serial_number_string()
if "v2.0." in serial_number or "v1." in serial_number:
hidBufSize = 4096
self.dbb_hid.write('\0' + bytearray(msg) + '\0' * (hidBufSize - len(msg)))
r = []
while len(r) < hidBufSize:
r = r + self.dbb_hid.read(hidBufSize)
else:
self.hid_send_frame(msg)
r = self.hid_read_frame()
r = str(bytearray(r)).rstrip(' \t\r\n\0')
r = r.replace("\0", '')
reply = json.loads(r)
except Exception as e:
print_error('Exception caught ' + str(e))
return reply
def parse_proposals_subscription_result(results):
"""Parse the proposals subscription response."""
proposals = []
for k, result in results.items():
kwargs = {'proposal_name': result['Name'], 'proposal_url': result['URL'],
'start_block': int(result['BlockStart']), 'end_block': int(result['BlockEnd']),
'payment_amount': result['MonthlyPayment'], 'address': result['PaymentAddress']}
fee_txid_key = 'FeeTXHash' if result.get('FeeTXHash') else 'FeeHash'
kwargs['fee_txid'] = result[fee_txid_key]
yes_count_key = 'YesCount' if result.get('YesCount') else 'Yeas'
kwargs['yes_count'] = result[yes_count_key]
no_count_key = 'NoCount' if result.get('NoCount') else 'Nays'
kwargs['no_count'] = result[no_count_key]
payment_amount = Decimal(str(kwargs['payment_amount']))
kwargs['payment_amount'] = pow(10, 8) * payment_amount
proposals.append(BudgetProposal.from_dict(kwargs))
print_error('Received updated budget proposal information (%d proposals)' % len(proposals))
return proposals
def sign_transaction(self, tx, password):
if tx.is_complete():
return
try:
p2shTransaction = False
derivations = self.get_tx_derivations(tx)
inputhasharray = []
hasharray = []
pubkeyarray = []
# Build hasharray from inputs
for i, txin in enumerate(tx.inputs()):
if txin['type'] == 'coinbase':
self.give_error("Coinbase not supported") # should never happen
if txin['type'] in ['p2sh']:
p2shTransaction = True
for x_pubkey in txin['x_pubkeys']:
if x_pubkey in derivations:
index = derivations.get(x_pubkey)
inputPath = "%s/%d/%d" % (self.get_derivation(), index[0], index[1])
inputHash = Hash(tx.serialize_preimage(i).decode('hex'))
hasharray_i = {'hash': inputHash.encode('hex'), 'keypath': inputPath}
hasharray.append(hasharray_i)
inputhasharray.append(inputHash)
break
else:
self.give_error("No matching x_key for sign_transaction") # should never happen
# Sanity check
if p2shTransaction:
for txinput in tx.inputs():
if txinput['type'] != 'p2sh':
self.give_error("P2SH / regular input mixed in same transaction not supported") # should never happen
# Build pubkeyarray from outputs (unused because echo for smart verification not implemented)
if not p2shTransaction:
for _type, address, amount in tx.outputs():
assert _type == TYPE_ADDRESS
info = tx.output_info.get(address)
if info is not None:
index, xpubs, m = info
changePath = self.get_derivation() + "/%d/%d" % index
changePubkey = self.derive_pubkey(index[0], index[1])
pubkeyarray_i = {'pubkey': changePubkey, 'keypath': changePath}
pubkeyarray.append(pubkeyarray_i)
# Build sign command
dbb_signatures = []
steps = math.ceil(1.0 * len(hasharray) / self.maxInputs)
for step in range(int(steps)):
hashes = hasharray[step * self.maxInputs : (step + 1) * self.maxInputs]
msg = '{"sign": {"meta":"%s", "data":%s, "checkpub":%s} }' % \
(Hash(tx.serialize()).encode('hex'), json.dumps(hashes), json.dumps(pubkeyarray))
dbb_client = self.plugin.get_client(self)
if not dbb_client.is_paired():
raise Exception("Could not sign transaction.")
reply = dbb_client.hid_send_encrypt(msg)
if 'error' in reply:
raise Exception(reply['error']['message'])
if 'echo' not in reply:
raise Exception("Could not sign transaction.")
if steps > 1:
self.handler.show_message(_("Signing large transaction. Please be patient ...\r\n\r\n" \
"To continue, touch the Digital Bitbox's blinking light for 3 seconds. " \
"(Touch " + str(step + 1) + " of " + str(int(steps)) + ")\r\n\r\n" \
"To cancel, briefly touch the blinking light or wait for the timeout.\r\n\r\n"))
else:
self.handler.show_message(_("Signing transaction ...\r\n\r\n" \
"To continue, touch the Digital Bitbox's blinking light for 3 seconds.\r\n\r\n" \
"To cancel, briefly touch the blinking light or wait for the timeout."))
reply = dbb_client.hid_send_encrypt(msg) # Send twice, first returns an echo for smart verification (not implemented)
self.handler.clear_dialog()
if 'error' in reply:
raise Exception(reply['error']['message'])
if 'sign' not in reply:
raise Exception("Could not sign transaction.")
dbb_signatures.extend(reply['sign'])
# Fill signatures
if len(dbb_signatures) <> len(tx.inputs()):
raise Exception("Incorrect number of transactions signed.") # Should never occur
for i, txin in enumerate(tx.inputs()):
num = txin['num_sig']
for pubkey in txin['pubkeys']:
signatures = filter(None, txin['signatures'])
if len(signatures) == num:
break # txin is complete
ii = txin['pubkeys'].index(pubkey)
signed = dbb_signatures[i]
if 'recid' in signed:
# firmware > v2.1.1
recid = int(signed['recid'], 16)
s = signed['sig'].decode('hex')
h = inputhasharray[i]
pk = MyVerifyingKey.from_signature(s, recid, h, curve = SECP256k1)
pk = point_to_ser(pk.pubkey.point, True).encode('hex')
elif 'pubkey' in signed:
# firmware <= v2.1.1
pk = signed['pubkey']
if pk != pubkey:
continue
sig_r = int(signed['sig'][:64], 16)
sig_s = int(signed['sig'][64:], 16)
sig = sigencode_der(sig_r, sig_s, generator_secp256k1.order())
txin['signatures'][ii] = sig.encode('hex') + '01'
tx._inputs[i] = txin
except BaseException as e:
self.give_error(e, True)
else:
print_error("Transaction is_complete", tx.is_complete())
tx.raw = tx.serialize()
import sys
import platform
from electrum_desire.plugins import BasePlugin, hook
from electrum_desire_gui.qt.util import WaitingDialog, EnterButton, WindowModalDialog
from electrum_desire.util import print_msg, print_error
from electrum_desire.i18n import _
from PyQt4.QtGui import *
from PyQt4.QtCore import *
try:
import amodem.audio
import amodem.main
import amodem.config
print_error('Audio MODEM is available.')
amodem.log.addHandler(amodem.logging.StreamHandler(sys.stderr))
amodem.log.setLevel(amodem.logging.INFO)
except ImportError:
amodem = None
print_error('Audio MODEM is not found.')
class Plugin(BasePlugin):
def __init__(self, parent, config, name):
BasePlugin.__init__(self, parent, config, name)
if self.is_available():
self.modem_config = amodem.config.slowest()
self.library_name = {'Linux': 'libportaudio.so'}[platform.system()]
def is_available(self):
def sign_done(proposal, tx):
print_error('proposal tx sign done: %s' % proposal.proposal_name)
if tx:
label = _('Budget Proposal Tx: ') + proposal.proposal_name
self.parent.broadcast_transaction(tx, label)
self.parent.masternode_manager.save()