Bitmessage/PyBitmessage-2024-12-01
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updated defaultKnownNodes #15

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Atheros1 merged 8 commits from master into master 2012-12-18 07:45:35 +01:00
Conversation 0 Commits 8 Files Changed 2 +100 -91
2 changed files with 100 additions and 91 deletions
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bitmessagemain.py
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@ -213,20 +213,19 @@ class receiveDataThread(QThread):
def processData(self): def processData(self):
global verbose global verbose
if verbose >= 2: #if verbose >= 2:
printLock.acquire() #printLock.acquire()
print 'self.data is currently ', repr(self.data) #print 'self.data is currently ', repr(self.data)
printLock.release() #printLock.release()
if self.data == "": if self.data == "":
pass pass
elif self.data[0:4] != '\xe9\xbe\xb4\xd9': elif self.data[0:4] != '\xe9\xbe\xb4\xd9':
self.data = "" self.data = ""
if verbose >= 2: if verbose >= 2:
#printLock.acquire() printLock.acquire()
sys.stderr.write('The magic bytes were not correct. This may indicate a problem with the program code, or a transmission error occurred.\n') sys.stderr.write('The magic bytes were not correct. This may indicate a problem with the program code, or a transmission error occurred.\n')
#printLock.release() printLock.release()
else: #if there is no reason to discard the data we have so far, elif len(self.data) < 20: #if so little of the data has arrived that we can't even unpack the payload length
if len(self.data) < 20: #if so little of the data has arrived that we can't even unpack the payload length
pass pass
else: else:
self.payloadLength, = unpack('>L',self.data[16:20]) self.payloadLength, = unpack('>L',self.data[16:20])
@ -296,7 +295,7 @@ class receiveDataThread(QThread):
def isProofOfWorkSufficient(self): def isProofOfWorkSufficient(self):
POW, = unpack('>Q',hashlib.sha512(hashlib.sha512(self.data[24:32]+ hashlib.sha512(self.data[32:24+self.payloadLength]).digest()).digest()).digest()[0:8]) POW, = unpack('>Q',hashlib.sha512(hashlib.sha512(self.data[24:32]+ hashlib.sha512(self.data[32:24+self.payloadLength]).digest()).digest()).digest()[0:8])
print 'POW:', POW #print 'POW:', POW
#Notice that I have divided the averageProofOfWorkNonceTrialsPerByte by two. This makes the POW requirement easier. This gives us wiggle-room: if we decide that we want to make the POW easier, the change won't obsolete old clients because they already expect a lower POW. If we decide that the current work done by clients feels approperate then we can remove this division by 2 and make the requirement match what is actually done by a sending node. If we want to raise the POW requirement then old nodes will HAVE to upgrade no matter what. #Notice that I have divided the averageProofOfWorkNonceTrialsPerByte by two. This makes the POW requirement easier. This gives us wiggle-room: if we decide that we want to make the POW easier, the change won't obsolete old clients because they already expect a lower POW. If we decide that the current work done by clients feels approperate then we can remove this division by 2 and make the requirement match what is actually done by a sending node. If we want to raise the POW requirement then old nodes will HAVE to upgrade no matter what.
return POW < 2**64 / ((self.payloadLength+payloadLengthExtraBytes) * (averageProofOfWorkNonceTrialsPerByte/2)) return POW < 2**64 / ((self.payloadLength+payloadLengthExtraBytes) * (averageProofOfWorkNonceTrialsPerByte/2))
@ -1079,9 +1078,11 @@ class receiveDataThread(QThread):
headerData = headerData + 'inv\x00\x00\x00\x00\x00\x00\x00\x00\x00' headerData = headerData + 'inv\x00\x00\x00\x00\x00\x00\x00\x00\x00'
headerData = headerData + pack('>L',len(payload)) headerData = headerData + pack('>L',len(payload))
headerData = headerData + hashlib.sha512(payload).digest()[:4] headerData = headerData + hashlib.sha512(payload).digest()[:4]
#self.sock.send(headerData + payload) printLock.acquire()
broadcastToSendDataQueues((self.streamNumber, 'send', headerData + payload))
print 'broadcasting inv with hash:', repr(hash) print 'broadcasting inv with hash:', repr(hash)
printLock.release()
broadcastToSendDataQueues((self.streamNumber, 'send', headerData + payload))
#We have received an addr message. #We have received an addr message.
def recaddr(self): def recaddr(self):
@ -1139,10 +1140,10 @@ class receiveDataThread(QThread):
break #giving up on unpacking any more. We should still be connected however. break #giving up on unpacking any more. We should still be connected however.
#print 'Within recaddr(): IP', recaddrIP, ', Port', recaddrPort, ', i', i #print 'Within recaddr(): IP', recaddrIP, ', Port', recaddrPort, ', i', i
hostFromAddrMessage = socket.inet_ntoa(self.data[52+lengthOfNumberOfAddresses+(34*i):56+lengthOfNumberOfAddresses+(34*i)]) hostFromAddrMessage = socket.inet_ntoa(self.data[52+lengthOfNumberOfAddresses+(34*i):56+lengthOfNumberOfAddresses+(34*i)])
print 'hostFromAddrMessage', hostFromAddrMessage #print 'hostFromAddrMessage', hostFromAddrMessage
timeSomeoneElseReceivedMessageFromThisNode, = unpack('>I',self.data[24+lengthOfNumberOfAddresses+(34*i):28+lengthOfNumberOfAddresses+(34*i)]) #This is the 'time' value in the received addr message. timeSomeoneElseReceivedMessageFromThisNode, = unpack('>I',self.data[24+lengthOfNumberOfAddresses+(34*i):28+lengthOfNumberOfAddresses+(34*i)]) #This is the 'time' value in the received addr message.
if hostFromAddrMessage not in knownNodes[recaddrStream]: if hostFromAddrMessage not in knownNodes[recaddrStream]:
if len(knownNodes[recaddrStream]) < 20000 and timeSomeoneElseReceivedMessageFromThisNode > (int(time.time())-10800) and timeSomeoneElseReceivedMessageFromThisNode < (int(time.time()) + 10800): #If we have more than 20000 nodes in our list already then just forget about it. Also, make sure that the time that someone else received a message from this node is within three hours from now. if len(knownNodes[recaddrStream]) < 20000 and timeSomeoneElseReceivedMessageFromThisNode > (int(time.time())-10800) and timeSomeoneElseReceivedMessageFromThisNode < (int(time.time()) + 10800): #If we have more than 20000 nodes in our list already then just forget about adding more. Also, make sure that the time that someone else received a message from this node is within three hours from now.
knownNodes[recaddrStream][hostFromAddrMessage] = (recaddrPort, timeSomeoneElseReceivedMessageFromThisNode) knownNodes[recaddrStream][hostFromAddrMessage] = (recaddrPort, timeSomeoneElseReceivedMessageFromThisNode)
print 'added new node', hostFromAddrMessage, 'to knownNodes.' print 'added new node', hostFromAddrMessage, 'to knownNodes.'
needToWriteKnownNodesToDisk = True needToWriteKnownNodesToDisk = True
@ -1153,13 +1154,13 @@ class receiveDataThread(QThread):
if (timeLastReceivedMessageFromThisNode < timeSomeoneElseReceivedMessageFromThisNode) and (timeSomeoneElseReceivedMessageFromThisNode < int(time.time())): if (timeLastReceivedMessageFromThisNode < timeSomeoneElseReceivedMessageFromThisNode) and (timeSomeoneElseReceivedMessageFromThisNode < int(time.time())):
knownNodes[recaddrStream][hostFromAddrMessage] = (PORT, timeSomeoneElseReceivedMessageFromThisNode) knownNodes[recaddrStream][hostFromAddrMessage] = (PORT, timeSomeoneElseReceivedMessageFromThisNode)
if PORT != recaddrPort: if PORT != recaddrPort:
sys.stderr.write('Strange occurance: The port specified in an addr message (%s) does not match the port (%s) that this program (or some other peer) used to connect to it (%s). Perhaps they changed their port or are using a strange NAT configuration.\n' % (str(recaddrPort), str(PORT), str(hostFromAddrMessage))) print 'Strange occurance: The port specified in an addr message', str(recaddrPort),'does not match the port',str(PORT),'that this program (or some other peer) used to connect to it',str(hostFromAddrMessage),'. Perhaps they changed their port or are using a strange NAT configuration.'
if needToWriteKnownNodesToDisk: #Runs if any nodes were new to us. Also, share those nodes with our peers. if needToWriteKnownNodesToDisk: #Runs if any nodes were new to us. Also, share those nodes with our peers.
output = open(appdata + 'knownnodes.dat', 'wb') output = open(appdata + 'knownnodes.dat', 'wb')
pickle.dump(knownNodes, output) pickle.dump(knownNodes, output)
output.close() output.close()
self.broadcastaddr(listOfAddressDetailsToBroadcastToPeers) self.broadcastaddr(listOfAddressDetailsToBroadcastToPeers)
print 'knownNodes currently:', knownNodes print 'knownNodes currently has', len(knownNodes[recaddrStream]), 'nodes for this stream.'
#Function runs when we want to broadcast an addr message to all of our peers. Runs when we learn of nodes that we didn't previously know about and want to share them with our peers. #Function runs when we want to broadcast an addr message to all of our peers. Runs when we learn of nodes that we didn't previously know about and want to share them with our peers.
def broadcastaddr(self,listOfAddressDetailsToBroadcastToPeers): def broadcastaddr(self,listOfAddressDetailsToBroadcastToPeers):
@ -1414,9 +1415,9 @@ class sendDataThread(QThread):
message = '' message = ''
while True: while True:
deststream,command,data = self.mailbox.get() deststream,command,data = self.mailbox.get()
printLock.acquire() #printLock.acquire()
print 'sendDataThread, destream:', deststream, ', Command:', command, ', ID:',id(self), ', HOST:', self.HOST #print 'sendDataThread, destream:', deststream, ', Command:', command, ', ID:',id(self), ', HOST:', self.HOST
printLock.release() #printLock.release()
if deststream == self.streamNumber or deststream == 0: if deststream == self.streamNumber or deststream == 0:
if command == 'shutdown': if command == 'shutdown':
@ -1428,6 +1429,7 @@ class sendDataThread(QThread):
print 'len of sendDataQueues', len(sendDataQueues) print 'len of sendDataQueues', len(sendDataQueues)
printLock.release() printLock.release()
break break
#When you receive an incoming connection, a sendDataThread is created even though you don't yet know what stream number the remote peer is interested in. They will tell you in a version message and if you too are interested in that stream then you will continue on with the connection and will set the streamNumber of this send data thread here:
elif command == 'setStreamNumber': elif command == 'setStreamNumber':
hostInMessage, specifiedStreamNumber = data hostInMessage, specifiedStreamNumber = data
if hostInMessage == self.HOST: if hostInMessage == self.HOST:
@ -1451,7 +1453,9 @@ class sendDataThread(QThread):
elif command == 'pong': elif command == 'pong':
if self.lastTimeISentData < (int(time.time()) - 298): if self.lastTimeISentData < (int(time.time()) - 298):
#Send out a pong message to keep the connection alive. #Send out a pong message to keep the connection alive.
printLock.acquire()
print 'Sending pong to', self.HOST, 'to keep connection alive.' print 'Sending pong to', self.HOST, 'to keep connection alive.'
printLock.release()
try: try:
self.sock.sendall('\xE9\xBE\xB4\xD9\x70\x6F\x6E\x67\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xcf\x83\xe1\x35') self.sock.sendall('\xE9\xBE\xB4\xD9\x70\x6F\x6E\x67\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xcf\x83\xe1\x35')
self.lastTimeISentData = int(time.time()) self.lastTimeISentData = int(time.time())
@ -1461,6 +1465,11 @@ class sendDataThread(QThread):
sendDataQueues.remove(self.mailbox) sendDataQueues.remove(self.mailbox)
print 'sendDataThread thread', self, 'ending now' print 'sendDataThread thread', self, 'ending now'
break break
else:
printLock.acquire()
print 'sendDataThread ID:',id(self),'ignoring command', command,'because it is not in stream',deststream
printLock.release()
#Wen you want to command a sendDataThread to do something, like shutdown or send some data, this function puts your data into the queues for each of the sendDataThreads. The sendDataThreads are responsible for putting their queue into (and out of) the sendDataQueues list. #Wen you want to command a sendDataThread to do something, like shutdown or send some data, this function puts your data into the queues for each of the sendDataThreads. The sendDataThreads are responsible for putting their queue into (and out of) the sendDataQueues list.
def broadcastToSendDataQueues(data): def broadcastToSendDataQueues(data):
@ -2448,8 +2457,8 @@ class MyForm(QtGui.QMainWindow):
QtCore.QObject.connect(self.ui.tableWidgetYourIdentities, QtCore.SIGNAL("itemChanged(QTableWidgetItem *)"), self.tableWidgetYourIdentitiesItemChanged) QtCore.QObject.connect(self.ui.tableWidgetYourIdentities, QtCore.SIGNAL("itemChanged(QTableWidgetItem *)"), self.tableWidgetYourIdentitiesItemChanged)
QtCore.QObject.connect(self.ui.tableWidgetAddressBook, QtCore.SIGNAL("itemChanged(QTableWidgetItem *)"), self.tableWidgetAddressBookItemChanged) QtCore.QObject.connect(self.ui.tableWidgetAddressBook, QtCore.SIGNAL("itemChanged(QTableWidgetItem *)"), self.tableWidgetAddressBookItemChanged)
QtCore.QObject.connect(self.ui.tableWidgetSubscriptions, QtCore.SIGNAL("itemChanged(QTableWidgetItem *)"), self.tableWidgetSubscriptionsItemChanged) QtCore.QObject.connect(self.ui.tableWidgetSubscriptions, QtCore.SIGNAL("itemChanged(QTableWidgetItem *)"), self.tableWidgetSubscriptionsItemChanged)
QtCore.QObject.connect(self.ui.tableWidgetInbox, QtCore.SIGNAL("itemClicked(QTableWidgetItem *)"), self.tableWidgetInboxItemClicked) QtCore.QObject.connect(self.ui.tableWidgetInbox, QtCore.SIGNAL("itemSelectionChanged ()"), self.tableWidgetInboxItemClicked)
QtCore.QObject.connect(self.ui.tableWidgetSent, QtCore.SIGNAL("itemClicked(QTableWidgetItem *)"), self.tableWidgetSentItemClicked) QtCore.QObject.connect(self.ui.tableWidgetSent, QtCore.SIGNAL("itemSelectionChanged ()"), self.tableWidgetSentItemClicked)
#Put the colored icon on the status bar #Put the colored icon on the status bar
#self.ui.pushButtonStatusIcon.setIcon(QIcon(":/newPrefix/images/yellowicon.png")) #self.ui.pushButtonStatusIcon.setIcon(QIcon(":/newPrefix/images/yellowicon.png"))
@ -2649,7 +2658,6 @@ class MyForm(QtGui.QMainWindow):
self.ui.tableWidgetSent.item(i,0).setText(unicode(toLabel,'utf-8')) self.ui.tableWidgetSent.item(i,0).setText(unicode(toLabel,'utf-8'))
def click_pushButtonSend(self): def click_pushButtonSend(self):
print 'User clicked \'Send\''
self.statusBar().showMessage('') self.statusBar().showMessage('')
toAddresses = str(self.ui.lineEditTo.text()) toAddresses = str(self.ui.lineEditTo.text())
fromAddress = str(self.ui.labelFrom.text()) fromAddress = str(self.ui.labelFrom.text())
@ -2676,7 +2684,8 @@ class MyForm(QtGui.QMainWindow):
self.statusBar().showMessage('Error: You must specify a From address. If you don''t have one, go to the ''Your Identities'' tab.') self.statusBar().showMessage('Error: You must specify a From address. If you don''t have one, go to the ''Your Identities'' tab.')
else: else:
self.statusBar().showMessage('') self.statusBar().showMessage('')
if connectionsCount[streamNumber] == 0:
self.statusBar().showMessage('Warning: You are currently not connected. Bitmessage will do the work necessary to send the message but it won\'t send until you connect.')
ackdata = '' ackdata = ''
for i in range(4): #This will make 32 bytes of random data. for i in range(4): #This will make 32 bytes of random data.
random.seed() random.seed()
@ -3170,10 +3179,10 @@ class MyForm(QtGui.QMainWindow):
self.ui.comboBoxSendFrom.setCurrentIndex(0) self.ui.comboBoxSendFrom.setCurrentIndex(0)
#self.ui.comboBoxSendFrom.setEditText(str(self.ui.tableWidgetInbox.item(currentInboxRow,0).text)) #self.ui.comboBoxSendFrom.setEditText(str(self.ui.tableWidgetInbox.item(currentInboxRow,0).text))
self.ui.textEditMessage.setText('\n\n------------------------------------------------------\n'+self.ui.tableWidgetInbox.item(currentInboxRow,2).data(Qt.UserRole).toPyObject()) self.ui.textEditMessage.setText('\n\n------------------------------------------------------\n'+self.ui.tableWidgetInbox.item(currentInboxRow,2).data(Qt.UserRole).toPyObject())
if str(self.ui.tableWidgetInbox.item(currentInboxRow,2).text())[0:3] == 'Re:': if self.ui.tableWidgetInbox.item(currentInboxRow,2).text()[0:3] == 'Re:':
self.ui.lineEditSubject.setText(str(self.ui.tableWidgetInbox.item(currentInboxRow,2).text())) self.ui.lineEditSubject.setText(str(self.ui.tableWidgetInbox.item(currentInboxRow,2).text()))
else: else:
self.ui.lineEditSubject.setText('Re: '+str(self.ui.tableWidgetInbox.item(currentInboxRow,2).text())) self.ui.lineEditSubject.setText('Re: '+self.ui.tableWidgetInbox.item(currentInboxRow,2).text())
self.ui.radioButtonSpecific.setChecked(True) self.ui.radioButtonSpecific.setChecked(True)
self.ui.tabWidget.setCurrentIndex(1) self.ui.tabWidget.setCurrentIndex(1)

4
bitmessageui.ui
View File

@ -880,7 +880,7 @@ p, li { white-space: pre-wrap; }
<rect> <rect>
<x>350</x> <x>350</x>
<y>130</y> <y>130</y>
<width>281</width> <width>361</width>
<height>16</height> <height>16</height>
</rect> </rect>
</property> </property>
@ -906,7 +906,7 @@ p, li { white-space: pre-wrap; }
<rect> <rect>
<x>350</x> <x>350</x>
<y>150</y> <y>150</y>
<width>171</width> <width>351</width>
<height>16</height> <height>16</height>
</rect> </rect>
</property> </property>