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cosigner plugin update

283
ThomasV 10 years ago
parent
commit
23c826863e
  1. 99
      plugins/cosigner_pool.py

99
plugins/cosigner_pool.py

@ -45,42 +45,36 @@ class Listener(threading.Thread):
threading.Thread.__init__(self) threading.Thread.__init__(self)
self.daemon = True self.daemon = True
self.parent = parent self.parent = parent
self.key = None self.keyname = None
self.keyhash = None
self.is_running = False self.is_running = False
self.message = None self.message = None
self.delete = False
def set_key(self, keyname, keyhash):
def set_key(self, key): self.keyname = keyname
self.key = key self.keyhash = keyhash
def clear(self): def clear(self):
self.delete = True server.delete(self.keyhash)
self.message = None
def run(self): def run(self):
self.is_running = True self.is_running = True
while self.is_running: while self.is_running:
if not self.keyhash:
if not self.key:
time.sleep(2) time.sleep(2)
continue continue
if not self.message: if not self.message:
try: try:
self.message = server.get(self.key) self.message = server.get(self.keyhash)
except Exception as e: except Exception as e:
util.print_error("cannot contact cosigner pool") util.print_error("cannot contact cosigner pool")
time.sleep(30) time.sleep(30)
continue continue
if self.message: if self.message:
self.parent.win.emit(SIGNAL("cosigner:receive")) self.parent.win.emit(SIGNAL("cosigner:receive"))
else: # poll every 30 seconds
if self.delete:
# save it to disk
server.delete(self.key)
self.message = None
self.delete = False
time.sleep(30) time.sleep(30)
@ -109,21 +103,23 @@ class Plugin(BasePlugin):
self.load_wallet(self.win.wallet) self.load_wallet(self.win.wallet)
return True return True
def is_available(self):
if self.wallet is None:
return True
return self.wallet.wallet_type in ['2of2', '2of3']
def load_wallet(self, wallet): def load_wallet(self, wallet):
self.wallet = wallet self.wallet = wallet
mpk = self.wallet.get_master_public_keys() mpk = self.wallet.get_master_public_keys()
self.cosigner_list = []
self.cold = mpk.get('x2') for key, xpub in mpk.items():
if self.cold: keyname = key + '/' # fixme
self.cold_K = bitcoin.deserialize_xkey(self.cold)[-1].encode('hex') K = bitcoin.deserialize_xkey(xpub)[-1].encode('hex')
self.cold_hash = bitcoin.Hash(self.cold_K).encode('hex') _hash = bitcoin.Hash(K).encode('hex')
if self.wallet.master_private_keys.get(keyname):
self.hot = mpk.get('x1') self.listener.set_key(keyname, _hash)
if self.hot: else:
self.hot_K = bitcoin.deserialize_xkey(self.hot)[-1].encode('hex') self.cosigner_list.append((xpub, K, _hash))
self.hot_hash = bitcoin.Hash(self.hot_K).encode('hex')
self.listener.set_key(self.hot_hash)
def transaction_dialog(self, d): def transaction_dialog(self, d):
self.send_button = b = QPushButton(_("Send to cosigner")) self.send_button = b = QPushButton(_("Send to cosigner"))
@ -131,18 +127,18 @@ class Plugin(BasePlugin):
d.buttons.insertWidget(2, b) d.buttons.insertWidget(2, b)
self.transaction_dialog_update(d) self.transaction_dialog_update(d)
def transaction_dialog_update(self, d): def transaction_dialog_update(self, d):
if d.tx.is_complete(): if d.tx.is_complete():
self.send_button.hide() self.send_button.hide()
return return
if self.cosigner_can_sign(d.tx): for xpub, K, _hash in self.cosigner_list:
self.send_button.show() if self.cosigner_can_sign(d.tx, xpub):
self.send_button.show()
break
else: else:
self.send_button.hide() self.send_button.hide()
def cosigner_can_sign(self, tx, cosigner_xpub):
def cosigner_can_sign(self, tx):
from electrum.transaction import x_to_xpub from electrum.transaction import x_to_xpub
xpub_set = set([]) xpub_set = set([])
for txin in tx.inputs: for txin in tx.inputs:
@ -151,24 +147,21 @@ class Plugin(BasePlugin):
if xpub: if xpub:
xpub_set.add(xpub) xpub_set.add(xpub)
return self.cold in xpub_set return cosigner_xpub in xpub_set
def do_send(self, tx): def do_send(self, tx):
if not self.cosigner_can_sign(tx): for xpub, K, _hash in self.cosigner_list:
return if not self.cosigner_can_sign(tx, xpub):
continue
message = bitcoin.encrypt_message(tx.raw, self.cold_K) message = bitcoin.encrypt_message(tx.raw, K)
try:
try: server.put(_hash, message)
server.put(self.cold_hash, message) except Exception as e:
self.win.show_message("Your transaction was sent to the cosigning pool.\nOpen your cosigner wallet to retrieve it.") self.win.show_message(str(e))
except Exception as e: return
self.win.show_message(str(e)) self.win.show_message("Your transaction was sent to the cosigning pool.\nOpen your cosigner wallet to retrieve it.")
def on_receive(self): def on_receive(self):
if self.wallet.use_encryption: if self.wallet.use_encryption:
password = self.win.password_dialog('An encrypted transaction was retrieved from cosigning pool.\nPlease enter your password to decrypt it.') password = self.win.password_dialog('An encrypted transaction was retrieved from cosigning pool.\nPlease enter your password to decrypt it.')
if not password: if not password:
@ -177,11 +170,12 @@ class Plugin(BasePlugin):
password = None password = None
message = self.listener.message message = self.listener.message
xpriv = self.wallet.get_master_private_key('x1/', password) key = self.listener.keyname
if not xpriv: xprv = self.wallet.get_master_private_key(key, password)
if not xprv:
return return
try: try:
k = bitcoin.deserialize_xkey(xpriv)[-1].encode('hex') k = bitcoin.deserialize_xkey(xprv)[-1].encode('hex')
EC = bitcoin.EC_KEY(k.decode('hex')) EC = bitcoin.EC_KEY(k.decode('hex'))
message = EC.decrypt_message(message) message = EC.decrypt_message(message)
except Exception as e: except Exception as e:
@ -190,7 +184,6 @@ class Plugin(BasePlugin):
return return
self.listener.clear() self.listener.clear()
tx = transaction.Transaction.deserialize(message) tx = transaction.Transaction.deserialize(message)
self.win.show_transaction(tx) self.win.show_transaction(tx)

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