forked from sarchar/Bitmsg
/
main.py
249 lines (197 loc) · 8.84 KB
/
main.py
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from collections import deque
import hashlib
import math
import os
import pickle
import sys
import threading
import time
import traceback
from PyQt4 import QtGui as gui
from PyQt4 import QtCore as core
from addnewkey import AddNewKeyDialog
from bitcoin import Bitcoin
from common import *
from msgwatch import Callbacks as BitmsgMsgWatchCallbacks
from network import BitcoinNetwork
class BitmsgMainWindow(gui.QMainWindow, BitmsgMsgWatchCallbacks):
TRANSACTIONS_PER_SECOND_WINDOW = 10
def __init__(self):
gui.QWidget.__init__(self)
BitmsgMsgWatchCallbacks.__init__(self)
self.saved_keys = []
try:
self.saved_keys = pickle.Unpickler(open('keys.dat', 'rb')).load()
except FileNotFoundError:
pass
except:
traceback.print_exc()
self.transactions_per_second_deque = deque()
self.transactions_per_second_deque_lock = threading.Lock()
self.init()
self.watch_public()
for name, algorithm, key in self.saved_keys:
if algorithm == ENCRYPT_RSA:
key = load_private_key_from_der(key)
self.watch_and_add_key(name, algorithm, key)
self.start()
def quit(self):
self.bitcoin_network.stop()
self.bitcoin_network.join()
gui.qApp.quit()
def closeEvent(self, event):
self.quit()
event.accept()
def init(self):
self.setWindowTitle('Bitmsg')
tabbed = gui.QTabWidget()
tabbed.setTabShape(gui.QTabWidget.Triangular)
tabbed.addTab(self.make_messages_page(), "Messages")
tabbed.addTab(self.make_keys_page(), "Keys / Identities")
tabbed.addTab(self.make_addressbook_page(), "Addressbook")
self.setCentralWidget(tabbed)
exitAction = gui.QAction(gui.QIcon('exit.png'), '&Exit', self)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit application')
exitAction.triggered.connect(self.quit)
menubar = self.menuBar()
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAction)
self.connection_status = gui.QLabel("Initializing network...")
self.transactions_per_second = gui.QLabel("")
self.statusbar = self.statusBar()
self.statusbar.addWidget( self.connection_status )
self.statusbar.addWidget( self.transactions_per_second )
self.resize(600, 400)
self.center()
def center(self):
qr = self.frameGeometry()
cp = gui.QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
self.move(qr.topLeft())
def make_messages_page(self):
return gui.QWidget()
def make_keys_page(self):
self.keys_table = gui.QTableWidget(self)
self.keys_table.setAlternatingRowColors(True)
self.keys_table.setSelectionMode(gui.QAbstractItemView.SingleSelection)
self.keys_table.setSelectionBehavior(gui.QAbstractItemView.SelectRows)
self.keys_table.setWordWrap(False)
self.keys_table.setObjectName("keys_table")
self.keys_table.setColumnCount(3)
self.keys_table.setRowCount(0)
self.keys_table.setSortingEnabled(True)
self.keys_table.horizontalHeader().setCascadingSectionResizes(True)
self.keys_table.horizontalHeader().setDefaultSectionSize(200)
self.keys_table.horizontalHeader().setHighlightSections(False)
self.keys_table.horizontalHeader().setMinimumSectionSize(27)
self.keys_table.horizontalHeader().setSortIndicatorShown(False)
self.keys_table.horizontalHeader().setStretchLastSection(True)
self.keys_table.verticalHeader().setVisible(False)
self.keys_table.verticalHeader().setDefaultSectionSize(26)
self.keys_table.setHorizontalHeaderItem(0, gui.QTableWidgetItem())
self.keys_table.setHorizontalHeaderItem(1, gui.QTableWidgetItem())
self.keys_table.setHorizontalHeaderItem(2, gui.QTableWidgetItem())
self.keys_table.horizontalHeaderItem(0).setText("Name")
self.keys_table.horizontalHeaderItem(1).setText("Type")
self.keys_table.horizontalHeaderItem(2).setText("Key")
add_key_button = gui.QPushButton("Add new...")
add_key_button.clicked.connect(self.add_new_key_clicked)
buttons_box = gui.QHBoxLayout()
buttons_box.addWidget(add_key_button)
buttons_box.addStretch(1)
vbox = gui.QVBoxLayout()
vbox.addWidget(self.keys_table)
vbox.addLayout(buttons_box)
page = gui.QWidget()
page.setLayout(vbox)
return page
def make_addressbook_page(self):
return gui.QWidget()
def start(self):
# start network thread
self.bitcoin_network = BitcoinNetwork(self)
self.bitcoin_network.start()
def update_status_bar():
nonlocal self
self.connection_status.setText('Connected to {}/{} nodes'.format(self.bitcoin_network.count_fully_connected_peers(), self.bitcoin_network.num_peer_goal))
with self.transactions_per_second_deque_lock:
now = time.time()
while len(self.transactions_per_second_deque):
if (now - self.transactions_per_second_deque[0]) >= BitmsgMainWindow.TRANSACTIONS_PER_SECOND_WINDOW:
self.transactions_per_second_deque.popleft()
continue
break
if len(self.transactions_per_second_deque) == 0:
self.transactions_per_second.setText("Network is idle")
else:
self.transactions_per_second.setText("{:.2f} tx/sec".format(round(len(self.transactions_per_second_deque)/BitmsgMainWindow.TRANSACTIONS_PER_SECOND_WINDOW, 2)))
self.connection_status_timer = core.QTimer()
self.connection_status_timer.timeout.connect(update_status_bar)
self.connection_status_timer.start(2333)
def got_transaction(self, tx):
with self.transactions_per_second_deque_lock:
self.transactions_per_second_deque.append(time.time())
return BitmsgMsgWatchCallbacks.got_transaction(self, tx)
def add_new_key_clicked(self):
dlg = AddNewKeyDialog()
result = dlg.exec_()
if result:
saved_key = dlg.key
if dlg.encryption == ENCRYPT_RSA:
saved_key = saved_key.der()
self.saved_keys.append(('', dlg.encryption, saved_key))
try:
# TODO - improve this to use proper atomic renaming
pickle.Pickler(open('keys.dat.new', 'wb')).dump(self.saved_keys)
if os.path.exists('keys.dat.old'):
os.remove('keys.dat.old')
if os.path.exists('keys.dat'):
os.rename('keys.dat', 'keys.dat.old')
os.rename('keys.dat.new', 'keys.dat')
except:
traceback.print_exc()
self.watch_and_add_key('', dlg.encryption, dlg.key)
def watch_and_add_key(self, name, encryption_algorithm, key):
if encryption_algorithm == ENCRYPT_RC4:
self.watch_rc4(key)
elif encryption_algorithm == ENCRYPT_AES128:
self.watch_aes128(key)
elif encryption_algorithm == ENCRYPT_AES256:
self.watch_aes256(key)
elif encryption_algorithm == ENCRYPT_RSA:
self.watch_rsa(key)
self.keys_table.insertRow(0)
w = gui.QTableWidgetItem('name')
w.setToolTip('name')
w.setFlags(core.Qt.ItemIsSelectable | core.Qt.ItemIsEnabled | core.Qt.ItemIsEditable)
#w.setData(Qt.UserRole, 'name')
self.keys_table.setItem(0, 0, w)
name_map = {
ENCRYPT_RC4 : 'RC4',
ENCRYPT_AES128: 'AES-128',
ENCRYPT_AES256: 'AES-256',
ENCRYPT_RSA : 'RSA',
}
w = gui.QTableWidgetItem(name_map[encryption_algorithm])
w.setToolTip(name_map[encryption_algorithm])
w.setFlags(core.Qt.ItemIsSelectable | core.Qt.ItemIsEnabled)
self.keys_table.setItem(0, 1, w)
if encryption_algorithm == ENCRYPT_RSA:
der = key.der()
hasher = hashlib.md5()
hasher.update(der)
display_key = hasher.hexdigest().upper()
else:
display_key = Bitcoin.bytes_to_hexstring(key, reverse=False)
w = gui.QTableWidgetItem(display_key)
w.setToolTip(display_key)
w.setFlags(core.Qt.ItemIsSelectable | core.Qt.ItemIsEnabled)
self.keys_table.setItem(0, 2, w)
def main():
app = gui.QApplication(sys.argv)
ex = BitmsgMainWindow()
ex.show()
sys.exit(app.exec_())
if __name__ == "__main__":
main()