cis-kuldeep/PyBitmessage-2021-04-27
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Merge pull request #180 from Atheros1/master

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Multi-core POW
This commit is contained in:
Jonathan Warren 2013-06-02 20:46:12 -07:00
commit 7b6bacc9eb
6 changed files with 413 additions and 291 deletions
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src/bitmessagemain.py
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@ -21,7 +21,6 @@ import sys
import ConfigParser
import Queue
from addresses import *
#from shared import *
import shared
from defaultKnownNodes import *
import time
@ -47,6 +46,7 @@ from SimpleXMLRPCServer import *
import json
from subprocess import call #used when the API must execute an outside program
import singleton
import proofofwork
#For each stream to which we connect, several outgoingSynSender threads will exist and will collectively create 8 connections with peers.
class outgoingSynSender(threading.Thread):
@ -321,101 +321,104 @@ class receiveDataThread(threading.Thread):
#print 'self.data is currently ', repr(self.data)
#shared.printLock.release()
if len(self.data) < 20: #if so little of the data has arrived that we can't even unpack the payload length
pass
elif self.data[0:4] != '\xe9\xbe\xb4\xd9':
return
if self.data[0:4] != '\xe9\xbe\xb4\xd9':
if verbose >= 1:
shared.printLock.acquire()
sys.stderr.write('The magic bytes were not correct. First 40 bytes of data: %s\n' % repr(self.data[0:40]))
print 'self.data:', self.data.encode('hex')
shared.printLock.release()
self.data = ""
else:
self.payloadLength, = unpack('>L',self.data[16:20])
if len(self.data) >= self.payloadLength+24: #check if the whole message has arrived yet. If it has,...
if self.data[20:24] == hashlib.sha512(self.data[24:self.payloadLength+24]).digest()[0:4]:#test the checksum in the message. If it is correct...
#print 'message checksum is correct'
#The time we've last seen this node is obviously right now since we just received valid data from it. So update the knownNodes list so that other peers can be made aware of its existance.
if self.initiatedConnection and self.connectionIsOrWasFullyEstablished: #The remote port is only something we should share with others if it is the remote node's incoming port (rather than some random operating-system-assigned outgoing port).
shared.knownNodesLock.acquire()
shared.knownNodes[self.streamNumber][self.HOST] = (self.PORT,int(time.time()))
shared.knownNodesLock.release()
if self.payloadLength <= 180000000: #If the size of the message is greater than 180MB, ignore it. (I get memory errors when processing messages much larger than this though it is concievable that this value will have to be lowered if some systems are less tolarant of large messages.)
remoteCommand = self.data[4:16]
shared.printLock.acquire()
print 'remoteCommand', repr(remoteCommand.replace('\x00','')), ' from', self.HOST
shared.printLock.release()
if remoteCommand == 'version\x00\x00\x00\x00\x00':
self.recversion(self.data[24:self.payloadLength+24])
elif remoteCommand == 'verack\x00\x00\x00\x00\x00\x00':
self.recverack()
elif remoteCommand == 'addr\x00\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recaddr(self.data[24:self.payloadLength+24])
elif remoteCommand == 'getpubkey\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recgetpubkey(self.data[24:self.payloadLength+24])
elif remoteCommand == 'pubkey\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recpubkey(self.data[24:self.payloadLength+24])
elif remoteCommand == 'inv\x00\x00\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recinv(self.data[24:self.payloadLength+24])
elif remoteCommand == 'getdata\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recgetdata(self.data[24:self.payloadLength+24])
elif remoteCommand == 'msg\x00\x00\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recmsg(self.data[24:self.payloadLength+24])
elif remoteCommand == 'broadcast\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recbroadcast(self.data[24:self.payloadLength+24])
elif remoteCommand == 'ping\x00\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.sendpong()
elif remoteCommand == 'pong\x00\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
pass
elif remoteCommand == 'alert\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
pass
return
self.payloadLength, = unpack('>L',self.data[16:20])
if len(self.data) < self.payloadLength+24: #check if the whole message has arrived yet.
return
if self.data[20:24] != hashlib.sha512(self.data[24:self.payloadLength+24]).digest()[0:4]:#test the checksum in the message. If it is correct...
print 'Checksum incorrect. Clearing this message.'
self.data = self.data[self.payloadLength+24:]
self.processData()
return
#The time we've last seen this node is obviously right now since we just received valid data from it. So update the knownNodes list so that other peers can be made aware of its existance.
if self.initiatedConnection and self.connectionIsOrWasFullyEstablished: #The remote port is only something we should share with others if it is the remote node's incoming port (rather than some random operating-system-assigned outgoing port).
shared.knownNodesLock.acquire()
shared.knownNodes[self.streamNumber][self.HOST] = (self.PORT,int(time.time()))
shared.knownNodesLock.release()
if self.payloadLength <= 180000000: #If the size of the message is greater than 180MB, ignore it. (I get memory errors when processing messages much larger than this though it is concievable that this value will have to be lowered if some systems are less tolarant of large messages.)
remoteCommand = self.data[4:16]
shared.printLock.acquire()
print 'remoteCommand', repr(remoteCommand.replace('\x00','')), ' from', self.HOST
shared.printLock.release()
if remoteCommand == 'version\x00\x00\x00\x00\x00':
self.recversion(self.data[24:self.payloadLength+24])
elif remoteCommand == 'verack\x00\x00\x00\x00\x00\x00':
self.recverack()
elif remoteCommand == 'addr\x00\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recaddr(self.data[24:self.payloadLength+24])
elif remoteCommand == 'getpubkey\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recgetpubkey(self.data[24:self.payloadLength+24])
elif remoteCommand == 'pubkey\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recpubkey(self.data[24:self.payloadLength+24])
elif remoteCommand == 'inv\x00\x00\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recinv(self.data[24:self.payloadLength+24])
elif remoteCommand == 'getdata\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recgetdata(self.data[24:self.payloadLength+24])
elif remoteCommand == 'msg\x00\x00\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recmsg(self.data[24:self.payloadLength+24])
elif remoteCommand == 'broadcast\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.recbroadcast(self.data[24:self.payloadLength+24])
elif remoteCommand == 'ping\x00\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
self.sendpong()
elif remoteCommand == 'pong\x00\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
pass
elif remoteCommand == 'alert\x00\x00\x00\x00\x00\x00\x00' and self.connectionIsOrWasFullyEstablished:
pass
self.data = self.data[self.payloadLength+24:]#take this message out and then process the next message
if self.data == '':
while len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave) > 0:
random.seed()
objectHash, = random.sample(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave, 1)
if objectHash in shared.inventory:
shared.printLock.acquire()
print 'Inventory (in memory) already has object listed in inv message.'
shared.printLock.release()
del self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave[objectHash]
elif isInSqlInventory(objectHash):
if verbose >= 3:
shared.printLock.acquire()
print 'Inventory (SQL on disk) already has object listed in inv message.'
shared.printLock.release()
del self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave[objectHash]
else:
self.sendgetdata(objectHash)
del self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave[objectHash] #It is possible that the remote node doesn't respond with the object. In that case, we'll very likely get it from someone else anyway.
if len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave) == 0:
shared.printLock.acquire()
print '(concerning', self.HOST + ')', 'number of objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave is now', len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave)
shared.printLock.release()
try:
del numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer[self.HOST] #this data structure is maintained so that we can keep track of how many total objects, across all connections, are currently outstanding. If it goes too high it can indicate that we are under attack by multiple nodes working together.
except:
pass
break
if len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave) == 0:
shared.printLock.acquire()
print '(concerning', self.HOST + ')', 'number of objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave is now', len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave)
shared.printLock.release()
try:
del numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer[self.HOST] #this data structure is maintained so that we can keep track of how many total objects, across all connections, are currently outstanding. If it goes too high it can indicate that we are under attack by multiple nodes working together.
except:
pass
if len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave) > 0:
shared.printLock.acquire()
print '(concerning', self.HOST + ')', 'number of objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave is now', len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave)
shared.printLock.release()
numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer[self.HOST] = len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave) #this data structure is maintained so that we can keep track of how many total objects, across all connections, are currently outstanding. If it goes too high it can indicate that we are under attack by multiple nodes working together.
if len(self.ackDataThatWeHaveYetToSend) > 0:
self.data = self.ackDataThatWeHaveYetToSend.pop()
self.processData()
self.data = self.data[self.payloadLength+24:]#take this message out and then process the next message
if self.data == '':
while len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave) > 0:
random.seed()
objectHash, = random.sample(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave, 1)
if objectHash in shared.inventory:
shared.printLock.acquire()
print 'Inventory (in memory) already has object listed in inv message.'
shared.printLock.release()
del self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave[objectHash]
elif isInSqlInventory(objectHash):
if verbose >= 3:
shared.printLock.acquire()
print 'Inventory (SQL on disk) already has object listed in inv message.'
shared.printLock.release()
del self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave[objectHash]
else:
print 'Checksum incorrect. Clearing this message.'
self.data = self.data[self.payloadLength+24:]
self.sendgetdata(objectHash)
del self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave[objectHash] #It is possible that the remote node doesn't respond with the object. In that case, we'll very likely get it from someone else anyway.
if len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave) == 0:
shared.printLock.acquire()
print '(concerning', self.HOST + ')', 'number of objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave is now', len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave)
shared.printLock.release()
try:
del numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer[self.HOST] #this data structure is maintained so that we can keep track of how many total objects, across all connections, are currently outstanding. If it goes too high it can indicate that we are under attack by multiple nodes working together.
except:
pass
break
if len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave) == 0:
shared.printLock.acquire()
print '(concerning', self.HOST + ')', 'number of objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave is now', len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave)
shared.printLock.release()
try:
del numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer[self.HOST] #this data structure is maintained so that we can keep track of how many total objects, across all connections, are currently outstanding. If it goes too high it can indicate that we are under attack by multiple nodes working together.
except:
pass
if len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave) > 0:
shared.printLock.acquire()
print '(concerning', self.HOST + ')', 'number of objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave is now', len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave)
shared.printLock.release()
numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer[self.HOST] = len(self.objectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave) #this data structure is maintained so that we can keep track of how many total objects, across all connections, are currently outstanding. If it goes too high it can indicate that we are under attack by multiple nodes working together.
if len(self.ackDataThatWeHaveYetToSend) > 0:
self.data = self.ackDataThatWeHaveYetToSend.pop()
self.processData()
def isProofOfWorkSufficient(self,data,nonceTrialsPerByte=0,payloadLengthExtraBytes=0):
if nonceTrialsPerByte < shared.networkDefaultProofOfWorkNonceTrialsPerByte:
@ -941,8 +944,7 @@ class receiveDataThread(threading.Thread):
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
#self.emit(SIGNAL("updateSentItemStatusByAckdata(PyQt_PyObject,PyQt_PyObject)"),encryptedData[readPosition:],'Acknowledgement of the message received just now.')
shared.UISignalQueue.put(('updateSentItemStatusByAckdata',(encryptedData[readPosition:],'Acknowledgement of the message received just now.')))
shared.UISignalQueue.put(('updateSentItemStatusByAckdata',(encryptedData[readPosition:],'Acknowledgement of the message received just now. '+ unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(int(time.time()))),'utf-8'))))
return
else:
shared.printLock.acquire()
@ -1152,7 +1154,7 @@ class receiveDataThread(threading.Thread):
#self.emit(SIGNAL("displayNewSentMessage(PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject)"),toAddress,'[Broadcast subscribers]',fromAddress,subject,message,ackdata)
shared.UISignalQueue.put(('displayNewSentMessage',(toAddress,'[Broadcast subscribers]',fromAddress,subject,message,ackdata)))
shared.workerQueue.put(('sendbroadcast',(fromAddress,subject,message)))
shared.workerQueue.put(('sendbroadcast',''))
if self.isAckDataValid(ackData):
print 'ackData is valid. Will process it.'
@ -1504,12 +1506,18 @@ class receiveDataThread(threading.Thread):
#We have received an inv message
def recinv(self,data):
totalNumberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave = 0
print 'number of keys(hosts) in numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer:', len(numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer)
for key, value in numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer.items():
totalNumberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave += value
print 'totalNumberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave = ', totalNumberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave
totalNumberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave = 0 # ..from all peers, counting duplicates seperately (because they take up memory)
if len(numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer) > 0:
for key, value in numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer.items():
totalNumberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave += value
shared.printLock.acquire()
print 'number of keys(hosts) in numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer:', len(numberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHavePerPeer)
print 'totalNumberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave = ', totalNumberOfObjectsThatWeHaveYetToCheckAndSeeWhetherWeAlreadyHave
shared.printLock.release()
numberOfItemsInInv, lengthOfVarint = decodeVarint(data[:10])
if numberOfItemsInInv > 50000:
sys.stderr.write('Too many items in inv message!')
return
if len(data) < lengthOfVarint + (numberOfItemsInInv * 32):
print 'inv message doesn\'t contain enough data. Ignoring.'
return
@ -2426,6 +2434,13 @@ class sqlThread(threading.Thread):
print 'Vacuuming message.dat. You might notice that the file size gets much smaller.'
self.cur.execute( ''' VACUUM ''')
#After code refactoring, the possible status values for sent messages as changed.
self.cur.execute( '''update sent set status='doingmsgpow' where status='doingpow' ''')
self.cur.execute( '''update sent set status='msgsent' where status='sentmessage' ''')
self.cur.execute( '''update sent set status='doingpubkeypow' where status='findingpubkey' ''')
self.cur.execute( '''update sent set status='broadcastqueued' where status='broadcastpending' ''')
self.conn.commit()
try:
testpayload = '\x00\x00'
t = ('1234',testpayload,'12345678','no')
@ -2537,7 +2552,6 @@ class singleCleaner(threading.Thread):
shared.sqlReturnQueue.get()
del shared.inventory[hash]
shared.sqlSubmitQueue.put('commit')
#self.emit(SIGNAL("updateStatusBar(PyQt_PyObject)"),"")
shared.UISignalQueue.put(('updateStatusBar',''))
shared.sqlLock.release()
shared.broadcastToSendDataQueues((0, 'pong', 'no data')) #commands the sendData threads to send out a pong message if they haven't sent anything else in the last five minutes. The socket timeout-time is 10 minutes.
@ -2548,7 +2562,7 @@ class singleCleaner(threading.Thread):
timeWeLastClearedInventoryAndPubkeysTables = int(time.time())
#inventory (moves data from the inventory data structure to the on-disk sql database)
shared.sqlLock.acquire()
#inventory (clears data more than 2 days and 12 hours old)
#inventory (clears pubkeys after 28 days and everything else after 2 days and 12 hours)
t = (int(time.time())-lengthOfTimeToLeaveObjectsInInventory,int(time.time())-lengthOfTimeToHoldOnToAllPubkeys)
shared.sqlSubmitQueue.put('''DELETE FROM inventory WHERE (receivedtime<? AND objecttype<>'pubkey') OR (receivedtime<? AND objecttype='pubkey') ''')
shared.sqlSubmitQueue.put(t)
@ -2562,7 +2576,7 @@ class singleCleaner(threading.Thread):
shared.sqlSubmitQueue.put('commit')
t = ()
shared.sqlSubmitQueue.put('''select toaddress, toripe, fromaddress, subject, message, ackdata, lastactiontime, status, pubkeyretrynumber, msgretrynumber FROM sent WHERE ((status='findingpubkey' OR status='sentmessage') AND folder='sent') ''') #If the message's folder='trash' then we'll ignore it.
shared.sqlSubmitQueue.put('''select toaddress, toripe, fromaddress, subject, message, ackdata, lastactiontime, status, pubkeyretrynumber, msgretrynumber FROM sent WHERE ((status='awaitingpubkey' OR status='msgsent') AND folder='sent') ''') #If the message's folder='trash' then we'll ignore it.
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
for row in queryreturn:
@ -2573,28 +2587,31 @@ class singleCleaner(threading.Thread):
shared.printLock.release()
break
toaddress, toripe, fromaddress, subject, message, ackdata, lastactiontime, status, pubkeyretrynumber, msgretrynumber = row
if status == 'findingpubkey':
if status == 'awaitingpubkey':
if int(time.time()) - lastactiontime > (maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (pubkeyretrynumber))):
print 'It has been a long time and we haven\'t heard a response to our getpubkey request. Sending again.'
try:
del neededPubkeys[toripe] #We need to take this entry out of the neededPubkeys structure because the shared.workerQueue checks to see whether the entry is already present and will not do the POW and send the message because it assumes that it has already done it recently.
except:
pass
shared.workerQueue.put(('sendmessage',toaddress))
#self.emit(SIGNAL("updateStatusBar(PyQt_PyObject)"),"Doing work necessary to again attempt to request a public key...")
shared.UISignalQueue.put(('updateStatusBar','Doing work necessary to again attempt to request a public key...'))
t = (int(time.time()),pubkeyretrynumber+1,toripe)
shared.sqlSubmitQueue.put('''UPDATE sent SET lastactiontime=?, pubkeyretrynumber=? WHERE toripe=?''')
shared.sqlSubmitQueue.put('''UPDATE sent SET lastactiontime=?, pubkeyretrynumber=?, status='msgqueued' WHERE toripe=?''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
else:# status == sentmessage
shared.sqlSubmitQueue.put('commit')
shared.workerQueue.put(('sendmessage',''))
else:# status == msgsent
if int(time.time()) - lastactiontime > (maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (msgretrynumber))):
print 'It has been a long time and we haven\'t heard an acknowledgement to our msg. Sending again.'
t = (int(time.time()),msgretrynumber+1,'findingpubkey',ackdata)
t = (int(time.time()),msgretrynumber+1,'msgqueued',ackdata)
shared.sqlSubmitQueue.put('''UPDATE sent SET lastactiontime=?, msgretrynumber=?, status=? WHERE ackdata=?''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.workerQueue.put(('sendmessage',toaddress))
shared.sqlSubmitQueue.put('commit')
shared.workerQueue.put(('sendmessage',''))
#self.emit(SIGNAL("updateStatusBar(PyQt_PyObject)"),"Doing work necessary to again attempt to deliver a message...")
shared.UISignalQueue.put(('updateStatusBar','Doing work necessary to again attempt to deliver a message...'))
shared.sqlSubmitQueue.put('commit')
@ -2608,85 +2625,34 @@ class singleWorker(threading.Thread):
threading.Thread.__init__(self)
def run(self):
time.sleep(10)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''SELECT toripe FROM sent WHERE (status=? AND folder='sent')''')
shared.sqlSubmitQueue.put(('findingpubkey',))
shared.sqlSubmitQueue.put('''SELECT toripe FROM sent WHERE (status='awaitingpubkey' AND folder='sent')''')
shared.sqlSubmitQueue.put('')
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
for row in queryreturn:
toripe, = row
#It is possible for the status of a message in our sent folder (which is also our 'outbox' folder) to have a status of 'findingpubkey' even if we have the pubkey. This can
#happen if the worker thread is working on the POW for an earlier message and does not get to the message in question before the user closes Bitmessage. In this case, the
#status will still be 'findingpubkey' but Bitmessage will never have checked to see whether it actually already has the pubkey. We should therefore check here.
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''SELECT hash FROM pubkeys WHERE hash=? ''')
shared.sqlSubmitQueue.put((toripe,))
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
if queryreturn != []: #If we have the pubkey then send the message otherwise put the hash in the neededPubkeys data structure so that we will pay attention to it if it comes over the wire.
self.sendMsg(toripe)
else:
neededPubkeys[toripe] = 0
neededPubkeys[toripe] = 0
self.sendBroadcast() #just in case there are any proof of work tasks for Broadcasts that have yet to be sent.
#Now let us see if there are any proofs of work for msg messages that we have yet to complete..
shared.sqlLock.acquire()
t = ('doingpow',)
shared.sqlSubmitQueue.put('''SELECT toripe FROM sent WHERE status=? and folder='sent' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlSubmitQueue.put('''SELECT DISTINCT toaddress FROM sent WHERE (status='doingpubkeypow' AND folder='sent')''')
shared.sqlSubmitQueue.put('')
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
for row in queryreturn:
toripe, = row
#Evidentially there is a remote possibility that we may, for some reason, no longer have the recipient's pubkey. Let us make sure we still have it or else the sendMsg function will appear to freeze.
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''SELECT hash FROM pubkeys WHERE hash=? ''')
shared.sqlSubmitQueue.put((toripe,))
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
if queryreturn != []:
#We have the needed pubkey
self.sendMsg(toripe)
else:
shared.printLock.acquire()
sys.stderr.write('For some reason, the status of a message in our outbox is \'doingpow\' even though we lack the pubkey. Here is the RIPE hash of the needed pubkey: %s\n' % toripe.encode('hex'))
shared.printLock.release()
toaddress, = row
self.requestPubKey(toaddress)
time.sleep(10) #give some time for the GUI to start before we start on any existing POW tasks.
self.sendMsg() #just in case there are any pending tasks for msg messages that have yet to be sent.
self.sendBroadcast() #just in case there are any tasks for Broadcasts that have yet to be sent.
while True:
command, data = shared.workerQueue.get()
#statusbar = 'The singleWorker thread is working on work.'
#self.emit(SIGNAL("updateStatusBar(PyQt_PyObject)"),statusbar)
if command == 'sendmessage':
toAddress = data
toStatus,toAddressVersionNumber,toStreamNumber,toRipe = decodeAddress(toAddress)
#print 'message type', type(message)
#print repr(message.toUtf8())
#print str(message.toUtf8())
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('SELECT hash FROM pubkeys WHERE hash=?')
shared.sqlSubmitQueue.put((toRipe,))
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
#print 'queryreturn', queryreturn
if queryreturn == []:
#We'll need to request the pub key because we don't have it.
if not toRipe in neededPubkeys:
neededPubkeys[toRipe] = 0
print 'requesting pubkey:', toRipe.encode('hex')
self.requestPubKey(toAddressVersionNumber,toStreamNumber,toRipe)
else:
print 'We have already requested this pubkey (the ripe hash is in neededPubkeys). We will re-request again soon.'
#self.emit(SIGNAL("updateSentItemStatusByHash(PyQt_PyObject,PyQt_PyObject)"),toRipe,'Public key was requested earlier. Receiver must be offline. Will retry.')
shared.UISignalQueue.put(('updateSentItemStatusByHash',(toRipe,'Public key was requested earlier. Receiver must be offline. Will retry.')))
else:
print 'We already have the necessary public key.'
self.sendMsg(toRipe) #by calling this function, we are asserting that we already have the pubkey for toRipe
self.sendMsg()
elif command == 'sendbroadcast':
print 'Within WorkerThread, processing sendbroadcast command.'
fromAddress,subject,message = data
self.sendBroadcast()
elif command == 'doPOWForMyV2Pubkey':
self.doPOWForMyV2Pubkey(data)
@ -2697,7 +2663,14 @@ class singleWorker(threading.Thread):
if toRipe in neededPubkeys:
print 'We have been awaiting the arrival of this pubkey.'
del neededPubkeys[toRipe]
self.sendMsg(toRipe)
t = (toRipe,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''UPDATE sent SET status='doingmsgpow' WHERE toripe=? AND status='awaitingpubkey' and folder='sent' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
self.sendMsg()
else:
shared.printLock.acquire()
print 'We don\'t need this pub key. We didn\'t ask for it. Pubkey hash:', toRipe.encode('hex')
@ -2706,7 +2679,6 @@ class singleWorker(threading.Thread):
shared.printLock.acquire()
sys.stderr.write('Probable programming error: The command sent to the workerThread is weird. It is: %s\n' % command)
shared.printLock.release()
shared.workerQueue.task_done()
def doPOWForMyV2Pubkey(self,hash): #This function also broadcasts out the pubkey message once it is done with the POW
@ -2744,16 +2716,11 @@ class singleWorker(threading.Thread):
payload += pubEncryptionKey[1:]
#Do the POW for this pubkey message
nonce = 0
trialValue = 99999999999999999999
target = 2**64 / ((len(payload)+shared.networkDefaultPayloadLengthExtraBytes+8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
print '(For pubkey message) Doing proof of work...'
initialHash = hashlib.sha512(payload).digest()
while trialValue > target:
nonce += 1
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
trialValue, nonce = proofofwork.run(target, initialHash)
print '(For pubkey message) Found proof of work', trialValue, 'Nonce:', nonce
payload = pack('>Q',nonce) + payload
"""t = (hash,payload,embeddedTime,'no')
shared.sqlLock.acquire()
@ -2810,14 +2777,10 @@ class singleWorker(threading.Thread):
payload += signature
#Do the POW for this pubkey message
nonce = 0
trialValue = 99999999999999999999
target = 2**64 / ((len(payload)+shared.networkDefaultPayloadLengthExtraBytes+8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
print '(For pubkey message) Doing proof of work...'
initialHash = hashlib.sha512(payload).digest()
while trialValue > target:
nonce += 1
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
trialValue, nonce = proofofwork.run(target, initialHash)
print '(For pubkey message) Found proof of work', trialValue, 'Nonce:', nonce
payload = pack('>Q',nonce) + payload
@ -2885,16 +2848,12 @@ class singleWorker(threading.Thread):
payload += encodeVarint(len(signature))
payload += signature
nonce = 0
trialValue = 99999999999999999999
target = 2**64 / ((len(payload)+shared.networkDefaultPayloadLengthExtraBytes+8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
print '(For broadcast message) Doing proof of work...'
#self.emit(SIGNAL("updateSentItemStatusByAckdata(PyQt_PyObject,PyQt_PyObject)"),ackdata,'Doing work necessary to send broadcast...')
shared.UISignalQueue.put(('updateSentItemStatusByAckdata',(ackdata,'Doing work necessary to send broadcast...')))
initialHash = hashlib.sha512(payload).digest()
while trialValue > target:
nonce += 1
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
trialValue, nonce = proofofwork.run(target, initialHash)
print '(For broadcast message) Found proof of work', trialValue, 'Nonce:', nonce
payload = pack('>Q',nonce) + payload
@ -2902,7 +2861,7 @@ class singleWorker(threading.Thread):
inventoryHash = calculateInventoryHash(payload)
objectType = 'broadcast'
shared.inventory[inventoryHash] = (objectType, streamNumber, payload, int(time.time()))
print 'sending inv (within sendBroadcast function)'
print 'Broadcasting inv for my broadcast (within sendBroadcast function):', inventoryHash.encode('hex')
shared.broadcastToSendDataQueues((streamNumber, 'sendinv', inventoryHash))
#self.emit(SIGNAL("updateSentItemStatusByAckdata(PyQt_PyObject,PyQt_PyObject)"),ackdata,'Broadcast sent on '+unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(int(time.time()))),'utf-8'))
@ -2956,16 +2915,12 @@ class singleWorker(threading.Thread):
pubEncryptionKey = pointMult(privEncryptionKey)
payload += highlevelcrypto.encrypt(dataToEncrypt,pubEncryptionKey.encode('hex'))
nonce = 0
trialValue = 99999999999999999999
target = 2**64 / ((len(payload)+shared.networkDefaultPayloadLengthExtraBytes+8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
print '(For broadcast message) Doing proof of work...'
#self.emit(SIGNAL("updateSentItemStatusByAckdata(PyQt_PyObject,PyQt_PyObject)"),ackdata,'Doing work necessary to send broadcast...')
shared.UISignalQueue.put(('updateSentItemStatusByAckdata',(ackdata,'Doing work necessary to send broadcast...')))
initialHash = hashlib.sha512(payload).digest()
while trialValue > target:
nonce += 1
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
trialValue, nonce = proofofwork.run(target, initialHash)
print '(For broadcast message) Found proof of work', trialValue, 'Nonce:', nonce
payload = pack('>Q',nonce) + payload
@ -2992,25 +2947,83 @@ class singleWorker(threading.Thread):
sys.stderr.write('Error: In the singleWorker thread, the sendBroadcast function doesn\'t understand the address version.\n')
shared.printLock.release()
def sendMsg(self,toRipe):
def sendMsg(self):
#Check to see if there are any messages queued to be sent
shared.sqlLock.acquire()
t = ('doingpow','findingpubkey',toRipe)
shared.sqlSubmitQueue.put('''UPDATE sent SET status=? WHERE status=? AND toripe=? and folder='sent' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlSubmitQueue.put('''SELECT toaddress FROM sent WHERE (status='msgqueued' AND folder='sent')''')
shared.sqlSubmitQueue.put('')
queryreturn = shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
t = ('doingpow',toRipe)
shared.sqlSubmitQueue.put('''SELECT toaddress, fromaddress, subject, message, ackdata FROM sent WHERE status=? AND toripe=? and folder='sent' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlLock.release()
for row in queryreturn: #For each address to which we need to send a message, check to see if we have its pubkey already.
toaddress, = row
toripe = decodeAddress(toaddress)[3]
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''SELECT hash FROM pubkeys WHERE hash=? ''')
shared.sqlSubmitQueue.put((toripe,))
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
if queryreturn != []: #If we have the needed pubkey, set the status to doingmsgpow (we'll do it further down)
t = (toaddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''UPDATE sent SET status='doingmsgpow' WHERE toaddress=? AND status='msgqueued' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
else: #We don't have the needed pubkey. Set the status to 'awaitingpubkey' and request it if we haven't already
if toripe in neededPubkeys:
#We already sent a request for the pubkey
t = (toaddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''UPDATE sent SET status='awaitingpubkey' WHERE toaddress=? AND status='msgqueued' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put(('updateSentItemStatusByHash',(toripe,'Encryption key was requested earlier.')))
else:
#We have not yet sent a request for the pubkey
t = (toaddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''UPDATE sent SET status='doingpubkeypow' WHERE toaddress=? AND status='msgqueued' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put(('updateSentItemStatusByHash',(toripe,'Sending a request for the recipient\'s encryption key.')))
self.requestPubKey(toaddress)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''SELECT toaddress, toripe, fromaddress, subject, message, ackdata FROM sent WHERE status='doingmsgpow' and folder='sent' ''')
shared.sqlSubmitQueue.put('')
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
for row in queryreturn:
toaddress, fromaddress, subject, message, ackdata = row
toaddress, toripe, fromaddress, subject, message, ackdata = row
#Evidently there is a remote possibility that we may no longer have the recipient's pubkey. Let us make sure we still have it or else the sendMsg function will appear to freeze.
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''SELECT hash FROM pubkeys WHERE hash=? ''')
shared.sqlSubmitQueue.put((toripe,))
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
if queryreturn == []:
#We no longer have the needed pubkey
shared.printLock.acquire()
sys.stderr.write('For some reason, the status of a message in our outbox is \'doingmsgpow\' even though we lack the pubkey. Here is the RIPE hash of the needed pubkey: %s\n' % toripe.encode('hex'))
shared.printLock.release()
t = (toaddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''UPDATE sent SET status='msgqueued' WHERE toaddress=? AND status='doingmsgpow' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put(('updateSentItemStatusByHash',(toripe,'Sending a request for the recipient\'s encryption key.')))
self.requestPubKey(toaddress)
return
ackdataForWhichImWatching[ackdata] = 0
toStatus,toAddressVersionNumber,toStreamNumber,toHash = decodeAddress(toaddress)
fromStatus,fromAddressVersionNumber,fromStreamNumber,fromHash = decodeAddress(fromaddress)
#self.emit(SIGNAL("updateSentItemStatusByAckdata(PyQt_PyObject,PyQt_PyObject)"),ackdata,'Doing work necessary to send the message.')
shared.UISignalQueue.put(('updateSentItemStatusByAckdata',(ackdata,'Doing work necessary to send the message.')))
shared.printLock.acquire()
print 'Found a message in our database that needs to be sent with this pubkey.'
@ -3102,7 +3115,7 @@ class singleWorker(threading.Thread):
if toAddressVersionNumber == 2 or toAddressVersionNumber == 3:
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('SELECT transmitdata FROM pubkeys WHERE hash=?')
shared.sqlSubmitQueue.put((toRipe,))
shared.sqlSubmitQueue.put((toripe,))
queryreturn = shared.sqlReturnQueue.get()
shared.sqlLock.release()
if queryreturn == []:
@ -3137,10 +3150,9 @@ class singleWorker(threading.Thread):
requiredAverageProofOfWorkNonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
if requiredPayloadLengthExtraBytes < shared.networkDefaultPayloadLengthExtraBytes:
requiredPayloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
#todo: pull yet-to-be-added values out of config: maximumacceptabletotaldifficult and maximumacceptablesmallmessagedifficulty and compare.
encrypted = highlevelcrypto.encrypt(payload,"04"+pubEncryptionKeyBase256.encode('hex'))
nonce = 0
trialValue = 99999999999999999999
#We are now dropping the unencrypted data in payload since it has already been encrypted and replacing it with the encrypted payload that we will send out.
payload = embeddedTime + encodeVarint(toStreamNumber) + encrypted
target = 2**64 / ((len(payload)+requiredPayloadLengthExtraBytes+8) * requiredAverageProofOfWorkNonceTrialsPerByte)
@ -3149,9 +3161,7 @@ class singleWorker(threading.Thread):
shared.printLock.release()
powStartTime = time.time()
initialHash = hashlib.sha512(payload).digest()
while trialValue > target:
nonce += 1
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
trialValue, nonce = proofofwork.run(target, initialHash)
print '(For msg message) Found proof of work', trialValue, 'Nonce:', nonce
try:
print 'POW took', int(time.time()-powStartTime), 'seconds.', nonce/(time.time()-powStartTime), 'nonce trials per second.'
@ -3164,17 +3174,17 @@ class singleWorker(threading.Thread):
shared.inventory[inventoryHash] = (objectType, toStreamNumber, payload, int(time.time()))
#self.emit(SIGNAL("updateSentItemStatusByAckdata(PyQt_PyObject,PyQt_PyObject)"),ackdata,'Message sent. Waiting on acknowledgement. Sent on ' + unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(int(time.time()))),'utf-8'))
shared.UISignalQueue.put(('updateSentItemStatusByAckdata',(ackdata,'Message sent. Waiting on acknowledgement. Sent on ' + unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(int(time.time()))),'utf-8'))))
print 'sending inv (within sendmsg function)'
print 'Broadcasting inv for my msg(within sendmsg function):', inventoryHash.encode('hex')
shared.broadcastToSendDataQueues((streamNumber, 'sendinv', inventoryHash))
#Update the status of the message in the 'sent' table to have a 'sent' status
shared.sqlLock.acquire()
t = ('sentmessage',toaddress, fromaddress, subject, message,'doingpow')
t = ('msgsent',toaddress, fromaddress, subject, message,'doingmsgpow')
shared.sqlSubmitQueue.put('UPDATE sent SET status=? WHERE toaddress=? AND fromaddress=? AND subject=? AND message=? AND status=?')
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
t = (toRipe,)
t = (toripe,)
shared.sqlSubmitQueue.put('''UPDATE pubkeys SET usedpersonally='yes' WHERE hash=?''')
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
@ -3182,7 +3192,9 @@ class singleWorker(threading.Thread):
shared.sqlLock.release()
def requestPubKey(self,addressVersionNumber,streamNumber,ripe):
def requestPubKey(self,toAddress):
toStatus,addressVersionNumber,streamNumber,ripe = decodeAddress(toAddress)
neededPubkeys[ripe] = 0
payload = pack('>I',(int(time.time())+random.randrange(-300, 300)))#the current time plus or minus five minutes.
payload += encodeVarint(addressVersionNumber)
payload += encodeVarint(streamNumber)
@ -3190,20 +3202,14 @@ class singleWorker(threading.Thread):
shared.printLock.acquire()
print 'making request for pubkey with ripe:', ripe.encode('hex')
shared.printLock.release()
nonce = 0
trialValue = 99999999999999999999
#print 'trial value', trialValue
statusbar = 'Doing the computations necessary to request the recipient\'s public key.'
#self.emit(SIGNAL("updateStatusBar(PyQt_PyObject)"),statusbar)
shared.UISignalQueue.put(('updateStatusBar',statusbar))
#self.emit(SIGNAL("updateSentItemStatusByHash(PyQt_PyObject,PyQt_PyObject)"),ripe,'Doing work necessary to request public key.')
shared.UISignalQueue.put(('updateSentItemStatusByHash',(ripe,'Doing work necessary to request public key.')))
shared.UISignalQueue.put(('updateSentItemStatusByHash',(ripe,'Doing work necessary to request encryption key.')))
print 'Doing proof-of-work necessary to send getpubkey message.'
target = 2**64 / ((len(payload)+shared.networkDefaultPayloadLengthExtraBytes+8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
initialHash = hashlib.sha512(payload).digest()
while trialValue > target:
nonce += 1
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
trialValue, nonce = proofofwork.run(target, initialHash)
shared.printLock.acquire()
print 'Found proof of work', trialValue, 'Nonce:', nonce
shared.printLock.release()
@ -3215,14 +3221,18 @@ class singleWorker(threading.Thread):
print 'sending inv (for the getpubkey message)'
shared.broadcastToSendDataQueues((streamNumber, 'sendinv', inventoryHash))
#self.emit(SIGNAL("updateStatusBar(PyQt_PyObject)"),'Broacasting the public key request. This program will auto-retry if they are offline.')
t = (toAddress,)
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''UPDATE sent SET status='awaitingpubkey' WHERE toaddress=? AND status='doingpubkeypow' ''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.UISignalQueue.put(('updateStatusBar','Broacasting the public key request. This program will auto-retry if they are offline.'))
#self.emit(SIGNAL("updateSentItemStatusByHash(PyQt_PyObject,PyQt_PyObject)"),ripe,'Sending public key request. Waiting for reply. Requested at ' + unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(int(time.time()))),'utf-8'))
shared.UISignalQueue.put(('updateSentItemStatusByHash',(ripe,'Sending public key request. Waiting for reply. Requested at ' + unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(int(time.time()))),'utf-8'))))
def generateFullAckMessage(self,ackdata,toStreamNumber,embeddedTime):
nonce = 0
trialValue = 99999999999999999999
payload = embeddedTime + encodeVarint(toStreamNumber) + ackdata
target = 2**64 / ((len(payload)+shared.networkDefaultPayloadLengthExtraBytes+8) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)
shared.printLock.acquire()
@ -3230,9 +3240,7 @@ class singleWorker(threading.Thread):
shared.printLock.release()
powStartTime = time.time()
initialHash = hashlib.sha512(payload).digest()
while trialValue > target:
nonce += 1
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
trialValue, nonce = proofofwork.run(target, initialHash)
shared.printLock.acquire()
print '(For ack message) Found proof of work', trialValue, 'Nonce:', nonce
try:
@ -3725,7 +3733,7 @@ class MySimpleXMLRPCRequestHandler(SimpleXMLRPCRequestHandler):
ackdata = OpenSSL.rand(32)
shared.sqlLock.acquire()
t = ('',toAddress,toRipe,fromAddress,subject,message,ackdata,int(time.time()),'findingpubkey',1,1,'sent',2)
t = ('',toAddress,toRipe,fromAddress,subject,message,ackdata,int(time.time()),'msgqueued',1,1,'sent',2)
shared.sqlSubmitQueue.put('''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?)''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
@ -3799,7 +3807,7 @@ class MySimpleXMLRPCRequestHandler(SimpleXMLRPCRequestHandler):
#apiSignalQueue.put(('displayNewSentMessage',(toAddress,toLabel,fromAddress,subject,message,ackdata)))
#self.emit(SIGNAL("displayNewSentMessage(PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject)"),toAddress,toLabel,fromAddress,subject,message,ackdata)
shared.UISignalQueue.put(('displayNewSentMessage',(toAddress,toLabel,fromAddress,subject,message,ackdata)))
shared.workerQueue.put(('sendbroadcast',(fromAddress,subject,message)))
shared.workerQueue.put(('sendbroadcast',''))
return ackdata.encode('hex')
elif method == 'getStatus':
@ -3817,16 +3825,7 @@ class MySimpleXMLRPCRequestHandler(SimpleXMLRPCRequestHandler):
return 'notFound'
for row in queryreturn:
status, = row
if status == 'findingpubkey':
return 'findingPubkey'
if status == 'doingpow':
return 'doingPow'
if status == 'sentmessage':
return 'sentMessage'
if status == 'ackreceived':
return 'ackReceived'
else:
return 'otherStatus: '+status
return status
elif method == 'addSubscription':
if len(params) == 0:
return 'API Error 0000: I need parameters!'
@ -4056,7 +4055,7 @@ if __name__ == "__main__":
shared.reloadBroadcastSendersForWhichImWatching()
#Initialize the ackdataForWhichImWatching data structure using data from the sql database.
shared.sqlSubmitQueue.put('''SELECT ackdata FROM sent where (status='sentmessage' OR status='doingpow')''')
shared.sqlSubmitQueue.put('''SELECT ackdata FROM sent where (status='msgsent' OR status='doingmsgpow')''')
shared.sqlSubmitQueue.put('')
queryreturn = shared.sqlReturnQueue.get()
for row in queryreturn:

84
src/bitmessageqt/__init__.py
View File

@ -71,17 +71,6 @@ class MyForm(QtGui.QMainWindow):
#startup for linux
pass
"""self.trayIcon = QtGui.QSystemTrayIcon(self)
self.trayIcon.setIcon( QtGui.QIcon(':/newPrefix/images/can-icon-16px.png') )
traySignal = "activated(QSystemTrayIcon::ActivationReason)"
QtCore.QObject.connect(self.trayIcon, QtCore.SIGNAL(traySignal), self.__icon_activated)
menu = QtGui.QMenu()
self.exitAction = menu.addAction("Quit", self.quit)
self.trayIcon.setContextMenu(menu)
#I'm currently under the impression that Mac users have different expectations for the tray icon. They don't necessairly expect it to open the main window when clicked and they still expect a program showing a tray icon to also be in the dock.
if 'darwin' in sys.platform:
self.trayIcon.show()"""
self.ui.labelSendBroadcastWarning.setVisible(False)
#FILE MENU and other buttons
@ -358,16 +347,20 @@ class MyForm(QtGui.QMainWindow):
newItem.setData(Qt.UserRole,unicode(message,'utf-8)'))
newItem.setFlags( QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled )
self.ui.tableWidgetSent.setItem(0,2,newItem)
if status == 'findingpubkey':
newItem = myTableWidgetItem('Waiting on their public key. Will request it again soon.')
elif status == 'sentmessage':
if status == 'awaitingpubkey':
newItem = myTableWidgetItem('Waiting on their encryption key. Will request it again soon.')
elif status == 'doingpowforpubkey':
newItem = myTableWidgetItem('Encryption key request queued.')
elif status == 'msgqueued':
newItem = myTableWidgetItem('Queued.')
elif status == 'msgsent':
newItem = myTableWidgetItem('Message sent. Waiting on acknowledgement. Sent at ' + unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(lastactiontime)),'utf-8'))
elif status == 'doingpow':
elif status == 'doingmsgpow':
newItem = myTableWidgetItem('Need to do work to send message. Work is queued.')
elif status == 'ackreceived':
newItem = myTableWidgetItem('Acknowledgement of the message received ' + unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(int(lastactiontime))),'utf-8'))
elif status == 'broadcastpending':
newItem = myTableWidgetItem('Doing the work necessary to send broadcast...')
elif status == 'broadcastqueued':
newItem = myTableWidgetItem('Broadcast queued.')
elif status == 'broadcastsent':
newItem = myTableWidgetItem('Broadcast on ' + unicode(strftime(shared.config.get('bitmessagesettings', 'timeformat'),localtime(int(lastactiontime))),'utf-8'))
else:
@ -770,6 +763,7 @@ class MyForm(QtGui.QMainWindow):
def click_actionDeleteAllTrashedMessages(self):
if QtGui.QMessageBox.question(self, 'Delete trash?',"Are you sure you want to delete all trashed messages?", QtGui.QMessageBox.Yes, QtGui.QMessageBox.No) == QtGui.QMessageBox.No:
return
self.statusBar().showMessage('Deleting messages and freeing empty space...')
shared.sqlLock.acquire()
shared.sqlSubmitQueue.put('''delete from inbox where folder='trash' ''')
shared.sqlSubmitQueue.put('')
@ -781,6 +775,7 @@ class MyForm(QtGui.QMainWindow):
shared.sqlSubmitQueue.put('vacuum')
shared.sqlSubmitQueue.put('')
shared.sqlReturnQueue.get()
self.statusBar().showMessage('')
shared.sqlLock.release()
def click_actionRegenerateDeterministicAddresses(self):
@ -825,23 +820,6 @@ class MyForm(QtGui.QMainWindow):
self.actionShow.setChecked(not self.actionShow.isChecked())
self.appIndicatorShowOrHideWindow()
"""if 'linux' in sys.platform:
self.trayIcon.hide()
self.setWindowFlags(Qt.Window)
self.show()
elif 'win32' in sys.platform or 'win64' in sys.platform:
self.trayIcon.hide()
self.setWindowFlags(Qt.Window)
self.show()
self.setWindowState(self.windowState() & ~QtCore.Qt.WindowMinimized | QtCore.Qt.WindowActive)
self.activateWindow()
elif 'darwin' in sys.platform:
#self.trayIcon.hide() #this line causes a segmentation fault
#self.setWindowFlags(Qt.Window)
#self.show()
self.setWindowState(self.windowState() & ~QtCore.Qt.WindowMinimized | QtCore.Qt.WindowActive)
self.activateWindow()"""
def incrementNumberOfMessagesProcessed(self):
self.numberOfMessagesProcessed += 1
self.ui.labelMessageCount.setText('Processed ' + str(self.numberOfMessagesProcessed) + ' person-to-person messages.')
@ -916,7 +894,6 @@ class MyForm(QtGui.QMainWindow):
if self.actionStatus != None:
self.actionStatus.setText('Not Connected')
self.tray.setIcon(QtGui.QIcon(":/newPrefix/images/can-icon-24px-red.png"))
#self.trayIcon.show()
if color == 'yellow':
if self.statusBar().currentMessage() == 'Warning: You are currently not connected. Bitmessage will do the work necessary to send the message but it won\'t send until you connect.':
self.statusBar().showMessage('')
@ -1104,7 +1081,7 @@ class MyForm(QtGui.QMainWindow):
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 = OpenSSL.rand(32)
shared.sqlLock.acquire()
t = ('',toAddress,ripe,fromAddress,subject,message,ackdata,int(time.time()),'findingpubkey',1,1,'sent',2)
t = ('',toAddress,ripe,fromAddress,subject,message,ackdata,int(time.time()),'msgqueued',1,1,'sent',2)
shared.sqlSubmitQueue.put('''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?)''')
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
@ -1151,7 +1128,7 @@ class MyForm(QtGui.QMainWindow):
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
shared.workerQueue.put(('sendbroadcast',(fromAddress,subject,message)))
shared.workerQueue.put(('sendbroadcast',''))
try:
fromLabel = shared.config.get(fromAddress, 'label')
@ -1454,6 +1431,10 @@ class MyForm(QtGui.QMainWindow):
shared.config.set('bitmessagesettings', 'defaultnoncetrialsperbyte',str(int(float(self.settingsDialogInstance.ui.lineEditTotalDifficulty.text())*shared.networkDefaultProofOfWorkNonceTrialsPerByte)))
if float(self.settingsDialogInstance.ui.lineEditSmallMessageDifficulty.text()) >= 1:
shared.config.set('bitmessagesettings', 'defaultpayloadlengthextrabytes',str(int(float(self.settingsDialogInstance.ui.lineEditSmallMessageDifficulty.text())*shared.networkDefaultPayloadLengthExtraBytes)))
if str(self.settingsDialogInstance.ui.comboBoxMaxCores.currentText()) == 'All':
shared.config.set('bitmessagesettings', 'maxcores', '99999')
else:
shared.config.set('bitmessagesettings', 'maxcores', str(self.settingsDialogInstance.ui.comboBoxMaxCores.currentText()))
with open(shared.appdata + 'keys.dat', 'wb') as configfile:
shared.config.write(configfile)
@ -1640,7 +1621,6 @@ class MyForm(QtGui.QMainWindow):
# unregister the messaging system
if self.mmapp is not None:
self.mmapp.unregister()
#self.trayIcon.hide()
self.statusBar().showMessage('All done. Closing user interface...')
os._exit(0)
@ -2129,12 +2109,10 @@ class settingsDialog(QtGui.QDialog):
self.ui.checkBoxStartOnLogon.setDisabled(True)
self.ui.checkBoxMinimizeToTray.setDisabled(True)
self.ui.checkBoxShowTrayNotifications.setDisabled(True)
self.ui.checkBoxStartInTray.setDisabled(True)
self.ui.labelSettingsNote.setText('Options have been disabled because they either aren\'t applicable or because they haven\'t yet been implimented for your operating system.')
elif 'linux' in sys.platform:
self.ui.checkBoxStartOnLogon.setDisabled(True)
self.ui.checkBoxMinimizeToTray.setDisabled(True)
self.ui.checkBoxStartInTray.setDisabled(True)
self.ui.labelSettingsNote.setText('Options have been disabled because they either aren\'t applicable or because they haven\'t yet been implimented for your operating system.')
#On the Network settings tab:
self.ui.lineEditTCPPort.setText(str(shared.config.get('bitmessagesettings', 'port')))
@ -2161,6 +2139,25 @@ class settingsDialog(QtGui.QDialog):
self.ui.lineEditTotalDifficulty.setText(str((float(shared.config.getint('bitmessagesettings', 'defaultnoncetrialsperbyte'))/shared.networkDefaultProofOfWorkNonceTrialsPerByte)))
self.ui.lineEditSmallMessageDifficulty.setText(str((float(shared.config.getint('bitmessagesettings', 'defaultpayloadlengthextrabytes'))/shared.networkDefaultPayloadLengthExtraBytes)))
#On the System tab
try:
maxCores = shared.config.getint('bitmessagesettings', 'maxcores')
except:
maxCores = 99999
if maxCores <= 1:
self.ui.comboBoxMaxCores.setCurrentIndex(0)
elif maxCores == 2:
self.ui.comboBoxMaxCores.setCurrentIndex(1)
elif maxCores <= 4:
self.ui.comboBoxMaxCores.setCurrentIndex(2)
elif maxCores <= 8:
self.ui.comboBoxMaxCores.setCurrentIndex(3)
elif maxCores <= 16:
self.ui.comboBoxMaxCores.setCurrentIndex(4)
else:
self.ui.comboBoxMaxCores.setCurrentIndex(5)
QtGui.QWidget.resize(self,QtGui.QWidget.sizeHint(self))
def comboBoxProxyTypeChanged(self,comboBoxIndex):
@ -2302,12 +2299,7 @@ def run():
app.setStyleSheet("QStatusBar::item { border: 0px solid black }")
myapp = MyForm()
if shared.config.getboolean('bitmessagesettings', 'startintray'):
if not myapp.isUbuntu():
myapp.trayIcon.show()
if 'win32' in sys.platform or 'win64' in sys.platform:
myapp.setWindowFlags(Qt.ToolTip)
else:
if not shared.config.getboolean('bitmessagesettings', 'startintray'):
myapp.show()
myapp.appIndicatorInit(app)

42
src/proofofwork.py Normal file
View File

@ -0,0 +1,42 @@
import shared
import time
from multiprocessing import Pool, cpu_count
import hashlib
from struct import unpack, pack
def _pool_worker(nonce, initialHash, target, pool_size):
trialValue = 99999999999999999999
while trialValue > target:
nonce += pool_size
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
return [trialValue, nonce]
def run(target, initialHash):
try:
pool_size = cpu_count()
except:
pool_size = 4
try:
maxCores = config.getint('bitmessagesettings', 'maxcores')
except:
maxCores = 99999
if pool_size > maxCores:
pool_size = maxCores
pool = Pool(processes=pool_size)
result = []
for i in range(pool_size):
result.append(pool.apply_async(_pool_worker, args = (i, initialHash, target, pool_size)))
while True:
if shared.shutdown:
pool.terminate()
time.sleep(5) #Don't return anything (doing so will cause exceptions because we'll return an unusable response). Sit here and wait for this thread to close.
return
for i in range(pool_size):
if result[i].ready():
result = result[i].get()
pool.terminate()
return result[0], result[1]
time.sleep(0.2)

34
src/settings.py
View File

@ -2,8 +2,8 @@
# Form implementation generated from reading ui file 'settings.ui'
#
# Created: Sat May 25 13:20:18 2013
# by: PyQt4 UI code generator 4.9.5
# Created: Thu May 30 15:50:32 2013
# by: PyQt4 UI code generator 4.9.4
#
# WARNING! All changes made in this file will be lost!
@ -172,6 +172,28 @@ class Ui_settingsDialog(object):
self.label_10.setObjectName(_fromUtf8("label_10"))
self.gridLayout_6.addWidget(self.label_10, 2, 0, 1, 3)
self.tabWidgetSettings.addTab(self.tab, _fromUtf8(""))
self.tab_2 = QtGui.QWidget()
self.tab_2.setObjectName(_fromUtf8("tab_2"))
self.formLayout = QtGui.QFormLayout(self.tab_2)
self.formLayout.setObjectName(_fromUtf8("formLayout"))
self.label_13 = QtGui.QLabel(self.tab_2)
self.label_13.setObjectName(_fromUtf8("label_13"))
self.formLayout.setWidget(0, QtGui.QFormLayout.LabelRole, self.label_13)
self.comboBoxMaxCores = QtGui.QComboBox(self.tab_2)
sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.comboBoxMaxCores.sizePolicy().hasHeightForWidth())
self.comboBoxMaxCores.setSizePolicy(sizePolicy)
self.comboBoxMaxCores.setObjectName(_fromUtf8("comboBoxMaxCores"))
self.comboBoxMaxCores.addItem(_fromUtf8(""))
self.comboBoxMaxCores.addItem(_fromUtf8(""))
self.comboBoxMaxCores.addItem(_fromUtf8(""))
self.comboBoxMaxCores.addItem(_fromUtf8(""))
self.comboBoxMaxCores.addItem(_fromUtf8(""))
self.comboBoxMaxCores.addItem(_fromUtf8(""))
self.formLayout.setWidget(0, QtGui.QFormLayout.FieldRole, self.comboBoxMaxCores)
self.tabWidgetSettings.addTab(self.tab_2, _fromUtf8(""))
self.gridLayout.addWidget(self.tabWidgetSettings, 0, 0, 1, 1)
self.retranslateUi(settingsDialog)
@ -222,4 +244,12 @@ class Ui_settingsDialog(object):
self.label_12.setText(QtGui.QApplication.translate("settingsDialog", "The \'Small message difficulty\' mostly only affects the difficulty of sending small messages. Doubling this value makes it almost twice as difficult to send a small message but doesn\'t really affect large messages.", None, QtGui.QApplication.UnicodeUTF8))
self.label_10.setText(QtGui.QApplication.translate("settingsDialog", "The \'Total difficulty\' affects the absolute amount of work the sender must complete. Doubling this value doubles the amount of work.", None, QtGui.QApplication.UnicodeUTF8))
self.tabWidgetSettings.setTabText(self.tabWidgetSettings.indexOf(self.tab), QtGui.QApplication.translate("settingsDialog", "Demanded difficulty", None, QtGui.QApplication.UnicodeUTF8))
self.label_13.setText(QtGui.QApplication.translate("settingsDialog", "Maximum number of CPU cores to use when doing work:", None, QtGui.QApplication.UnicodeUTF8))
self.comboBoxMaxCores.setItemText(0, QtGui.QApplication.translate("settingsDialog", "1", None, QtGui.QApplication.UnicodeUTF8))
self.comboBoxMaxCores.setItemText(1, QtGui.QApplication.translate("settingsDialog", "2", None, QtGui.QApplication.UnicodeUTF8))
self.comboBoxMaxCores.setItemText(2, QtGui.QApplication.translate("settingsDialog", "4", None, QtGui.QApplication.UnicodeUTF8))
self.comboBoxMaxCores.setItemText(3, QtGui.QApplication.translate("settingsDialog", "8", None, QtGui.QApplication.UnicodeUTF8))
self.comboBoxMaxCores.setItemText(4, QtGui.QApplication.translate("settingsDialog", "16", None, QtGui.QApplication.UnicodeUTF8))
self.comboBoxMaxCores.setItemText(5, QtGui.QApplication.translate("settingsDialog", "All", None, QtGui.QApplication.UnicodeUTF8))
self.tabWidgetSettings.setTabText(self.tabWidgetSettings.indexOf(self.tab_2), QtGui.QApplication.translate("settingsDialog", "System", None, QtGui.QApplication.UnicodeUTF8))

54
src/settings.ui
View File

@ -373,6 +373,60 @@
</item>
</layout>
</widget>
<widget class="QWidget" name="tab_2">
<attribute name="title">
<string>System</string>
</attribute>
<layout class="QFormLayout" name="formLayout">
<item row="0" column="0">
<widget class="QLabel" name="label_13">
<property name="text">
<string>Maximum number of CPU cores to use when doing work:</string>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="QComboBox" name="comboBoxMaxCores">
<property name="sizePolicy">
<sizepolicy hsizetype="Fixed" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<item>
<property name="text">
<string>1</string>
</property>
</item>
<item>
<property name="text">
<string>2</string>
</property>
</item>
<item>
<property name="text">
<string>4</string>
</property>
</item>
<item>
<property name="text">
<string>8</string>
</property>
</item>
<item>
<property name="text">
<string>16</string>
</property>
</item>
<item>
<property name="text">
<string>All</string>
</property>
</item>
</widget>
</item>
</layout>
</widget>
</widget>
</item>
</layout>

7
src/shared.py
View File

@ -7,6 +7,7 @@ import highlevelcrypto
import Queue
import pickle
import os
import time
myECCryptorObjects = {}
MyECSubscriptionCryptorObjects = {}
@ -27,6 +28,7 @@ printLock = threading.Lock()
appdata = '' #holds the location of the application data storage directory
statusIconColor = 'red'
connectedHostsList = {} #List of hosts to which we are connected. Used to guarantee that the outgoingSynSender threads won't connect to the same remote node twice.
shutdown = 0 #Set to 1 by the doCleanShutdown function. Used to tell the proof of work worker threads to exit.
#If changed, these values will cause particularly unexpected behavior: You won't be able to either send or receive messages because the proof of work you do (or demand) won't match that done or demanded by others. Don't change them!
networkDefaultProofOfWorkNonceTrialsPerByte = 320 #The amount of work that should be performed (and demanded) per byte of the payload. Double this number to double the work.
@ -141,6 +143,8 @@ def reloadBroadcastSendersForWhichImWatching():
MyECSubscriptionCryptorObjects[hash] = highlevelcrypto.makeCryptor(privEncryptionKey.encode('hex'))
def doCleanShutdown():
global shutdown
shutdown = 1 #Used to tell proof of work worker threads to exit.
knownNodesLock.acquire()
UISignalQueue.put(('updateStatusBar','Saving the knownNodes list of peers to disk...'))
output = open(appdata + 'knownnodes.dat', 'wb')
@ -172,7 +176,8 @@ def doCleanShutdown():
printLock.acquire()
print 'Finished flushing inventory.'
printLock.release()
time.sleep(.25) #Wait long enough to guarantee that any running proof of work worker threads will check the shutdown variable and exit. If the main thread closes before they do then they won't stop.
if safeConfigGetBoolean('bitmessagesettings','daemon'):
printLock.acquire()