src/bitmessageqt/bitmessage_icons_rc.py

@@ -9,7 +9,7 @@
 
 from PyQt4 import QtCore
 
-qt_resource_data = "\
+qt_resource_data = b"\
 \x00\x00\x03\x66\
 \x89\
 \x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52\x00\
@@ -1534,7 +1534,7 @@ qt_resource_data = "\
 \x82\
 "
 
-qt_resource_name = "\
+qt_resource_name = b"\
 \x00\x09\
 \x0c\x78\x54\x88\
 \x00\x6e\
@@ -1639,7 +1639,7 @@ qt_resource_name = "\
 \x00\x70\x00\x6e\x00\x67\
 "
 
-qt_resource_struct = "\
+qt_resource_struct = b"\
 \x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00\x01\
 \x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00\x02\
 \x00\x00\x00\x18\x00\x02\x00\x00\x00\x15\x00\x00\x00\x03\

src/class_objectProcessor.py

@@ -299,12 +299,12 @@ class objectProcessor(threading.Thread):
                     '(within processpubkey) payloadLength less than 146.'
                     ' Sanity check failed.')
             readPosition += 4
-            pubSigningKey = '\x04' + data[readPosition:readPosition + 64]
+            pubSigningKey = b'\x04' + data[readPosition:readPosition + 64]
             # Is it possible for a public key to be invalid such that trying to
             # encrypt or sign with it will cause an error? If it is, it would
             # be easiest to test them here.
             readPosition += 64
-            pubEncryptionKey = '\x04' + data[readPosition:readPosition + 64]
+            pubEncryptionKey = b'\x04' + data[readPosition:readPosition + 64]
             if len(pubEncryptionKey) < 65:
                 return logger.debug(
                     'publicEncryptionKey length less than 64. Sanity check'
@@ -350,9 +350,9 @@ class objectProcessor(threading.Thread):
                     ' Sanity check failed.')
                 return
             readPosition += 4
-            pubSigningKey = '\x04' + data[readPosition:readPosition + 64]
+            pubSigningKey = b'\x04' + data[readPosition:readPosition + 64]
             readPosition += 64
-            pubEncryptionKey = '\x04' + data[readPosition:readPosition + 64]
+            pubEncryptionKey = b'\x04' + data[readPosition:readPosition + 64]
             readPosition += 64
             specifiedNonceTrialsPerByteLength = decodeVarint(
                 data[readPosition:readPosition + 10])[1]
@@ -507,9 +507,9 @@ class objectProcessor(threading.Thread):
             return
         readPosition += sendersStreamNumberLength
         readPosition += 4
-        pubSigningKey = '\x04' + decryptedData[readPosition:readPosition + 64]
+        pubSigningKey = b'\x04' + decryptedData[readPosition:readPosition + 64]
         readPosition += 64
-        pubEncryptionKey = '\x04' + decryptedData[readPosition:readPosition + 64]
+        pubEncryptionKey = b'\x04' + decryptedData[readPosition:readPosition + 64]
         readPosition += 64
         if sendersAddressVersionNumber >= 3:
             requiredAverageProofOfWorkNonceTrialsPerByte, varintLength = \
@@ -854,10 +854,10 @@ class objectProcessor(threading.Thread):
             )
         readPosition += sendersStreamLength
         readPosition += 4
-        sendersPubSigningKey = '\x04' + \
+        sendersPubSigningKey = b'\x04' + \
             decryptedData[readPosition:readPosition + 64]
         readPosition += 64
-        sendersPubEncryptionKey = '\x04' + \
+        sendersPubEncryptionKey = b'\x04' + \
             decryptedData[readPosition:readPosition + 64]
         readPosition += 64
         if sendersAddressVersion >= 3:
@@ -1047,7 +1047,7 @@ class objectProcessor(threading.Thread):
         if checksum != hashlib.sha512(payload).digest()[0:4]:
             logger.info('ackdata checksum wrong. Not sending ackdata.')
             return False
-        command = command.rstrip('\x00')
+        command = command.rstrip(b'\x00')
         if command != 'object':
             return False
         return True

src/class_singleWorker.py

@@ -106,7 +106,7 @@ class singleWorker(StoppableThread):
         for oldack in state.ackdataForWhichImWatching:
             if len(oldack) == 32:
                 # attach legacy header, always constant (msg/1/1)
-                newack = '\x00\x00\x00\x02\x01\x01' + oldack
+                newack = b'\x00\x00\x00\x02\x01\x01' + oldack
                 state.ackdataForWhichImWatching[newack] = 0
                 sqlExecute(
                     '''UPDATE sent SET ackdata=? WHERE ackdata=? AND folder = 'sent' ''',
@@ -262,7 +262,7 @@ class singleWorker(StoppableThread):
         TTL = int(28 * 24 * 60 * 60 + helper_random.randomrandrange(-300, 300))
         embeddedTime = int(time.time() + TTL)
         payload = pack('>Q', (embeddedTime))
-        payload += '\x00\x00\x00\x01'  # object type: pubkey
+        payload += b'\x00\x00\x00\x01'  # object type: pubkey
         payload += encodeVarint(addressVersionNumber)  # Address version number
         payload += encodeVarint(streamNumber)
         # bitfield of features supported by me (see the wiki).
@@ -339,7 +339,7 @@ class singleWorker(StoppableThread):
         # expiresTime time.
 
         payload = pack('>Q', (embeddedTime))
-        payload += '\x00\x00\x00\x01'  # object type: pubkey
+        payload += b'\x00\x00\x00\x01'  # object type: pubkey
         payload += encodeVarint(addressVersionNumber)  # Address version number
         payload += encodeVarint(streamNumber)
         # bitfield of features supported by me (see the wiki).
@@ -414,7 +414,7 @@ class singleWorker(StoppableThread):
         TTL = int(28 * 24 * 60 * 60 + helper_random.randomrandrange(-300, 300))
         embeddedTime = int(time.time() + TTL)
         payload = pack('>Q', (embeddedTime))
-        payload += '\x00\x00\x00\x01'  # object type: pubkey
+        payload += b'\x00\x00\x00\x01'  # object type: pubkey
         payload += encodeVarint(addressVersionNumber)  # Address version number
         payload += encodeVarint(streamNumber)
         dataToEncrypt = protocol.getBitfield(myAddress)
@@ -600,7 +600,7 @@ class singleWorker(StoppableThread):
             TTL = int(TTL + helper_random.randomrandrange(-300, 300))
             embeddedTime = int(time.time() + TTL)
             payload = pack('>Q', embeddedTime)
-            payload += '\x00\x00\x00\x03'  # object type: broadcast
+            payload += b'\x00\x00\x00\x03'  # object type: broadcast
 
             if addressVersionNumber <= 3:
                 payload += encodeVarint(4)  # broadcast version
@@ -616,7 +616,7 @@ class singleWorker(StoppableThread):
                 tag = doubleHashOfAddressData[32:]
                 payload += tag
             else:
-                tag = ''
+                tag = b''
 
             dataToEncrypt = encodeVarint(addressVersionNumber)
             dataToEncrypt += encodeVarint(streamNumber)
@@ -789,7 +789,7 @@ class singleWorker(StoppableThread):
                 # We don't have the needed pubkey in the pubkeys table already.
                 else:
                     if toAddressVersionNumber <= 3:
-                        toTag = ''
+                        toTag = b''
                     else:
                         toTag = highlevelcrypto.double_sha512(
                             encodeVarint(toAddressVersionNumber)
@@ -1201,14 +1201,14 @@ class singleWorker(StoppableThread):
                     'Not bothering to include ackdata because we are'
                     ' sending to ourselves or a chan.'
                 )
-                fullAckPayload = ''
+                fullAckPayload = b''
             elif not protocol.checkBitfield(
                     behaviorBitfield, protocol.BITFIELD_DOESACK):
                 self.logger.info(
                     'Not bothering to include ackdata because'
                     ' the receiver said that they won\'t relay it anyway.'
                 )
-                fullAckPayload = ''
+                fullAckPayload = b''
             else:
                 # The fullAckPayload is a normal msg protocol message
                 # with the proof of work already completed that the
@@ -1217,7 +1217,7 @@ class singleWorker(StoppableThread):
                     ackdata, toStreamNumber, TTL)
             payload += encodeVarint(len(fullAckPayload))
             payload += fullAckPayload
-            dataToSign = pack('>Q', embeddedTime) + '\x00\x00\x00\x02' + \
+            dataToSign = pack('>Q', embeddedTime) + b'\x00\x00\x00\x02' + \
                 encodeVarint(1) + encodeVarint(toStreamNumber) + payload
             signature = highlevelcrypto.sign(
                 dataToSign, privSigningKeyHex, self.digestAlg)
@@ -1227,7 +1227,7 @@ class singleWorker(StoppableThread):
             # We have assembled the data that will be encrypted.
             try:
                 encrypted = highlevelcrypto.encrypt(
-                    payload, "04" + hexlify(pubEncryptionKeyBase256)
+                    payload, b"04" + hexlify(pubEncryptionKeyBase256)
                 )
             except:  # noqa:E722
                 self.logger.warning("highlevelcrypto.encrypt didn't work")
@@ -1247,7 +1247,7 @@ class singleWorker(StoppableThread):
                 continue
 
             encryptedPayload = pack('>Q', embeddedTime)
-            encryptedPayload += '\x00\x00\x00\x02'  # object type: msg
+            encryptedPayload += b'\x00\x00\x00\x02'  # object type: msg
             encryptedPayload += encodeVarint(1)  # msg version
             encryptedPayload += encodeVarint(toStreamNumber) + encrypted
             target = 2 ** 64 / (
@@ -1429,7 +1429,7 @@ class singleWorker(StoppableThread):
         TTL = TTL + helper_random.randomrandrange(-300, 300)
         embeddedTime = int(time.time() + TTL)
         payload = pack('>Q', embeddedTime)
-        payload += '\x00\x00\x00\x00'  # object type: getpubkey
+        payload += b'\x00\x00\x00\x00'  # object type: getpubkey
         payload += encodeVarint(addressVersionNumber)
         payload += encodeVarint(streamNumber)
         if addressVersionNumber <= 3:
@@ -1511,4 +1511,4 @@ class singleWorker(StoppableThread):
         payload = self._doPOWDefaults(
             payload, TTL, log_prefix='(For ack message)', log_time=True)
 
-        return protocol.CreatePacket('object', payload)
+        return protocol.CreatePacket(b'object', payload)

src/helper_bitcoin.py

@@ -19,17 +19,17 @@ def calculateBitcoinAddressFromPubkey(pubkey):
     sha = hashlib.new('sha256')
     sha.update(pubkey)
     ripe.update(sha.digest())
-    ripeWithProdnetPrefix = '\x00' + ripe.digest()
+    ripeWithProdnetPrefix = b'\x00' + ripe.digest()
 
     checksum = hashlib.sha256(hashlib.sha256(
         ripeWithProdnetPrefix).digest()).digest()[:4]
     binaryBitcoinAddress = ripeWithProdnetPrefix + checksum
     numberOfZeroBytesOnBinaryBitcoinAddress = 0
-    while binaryBitcoinAddress[0] == '\x00':
+    while binaryBitcoinAddress[0] == b'\x00':
         numberOfZeroBytesOnBinaryBitcoinAddress += 1
         binaryBitcoinAddress = binaryBitcoinAddress[1:]
     base58encoded = arithmetic.changebase(binaryBitcoinAddress, 256, 58)
-    return "1" * numberOfZeroBytesOnBinaryBitcoinAddress + base58encoded
+    return b"1" * numberOfZeroBytesOnBinaryBitcoinAddress + base58encoded
 
 
 def calculateTestnetAddressFromPubkey(pubkey):
@@ -43,14 +43,14 @@ def calculateTestnetAddressFromPubkey(pubkey):
     sha = hashlib.new('sha256')
     sha.update(pubkey)
     ripe.update(sha.digest())
-    ripeWithProdnetPrefix = '\x6F' + ripe.digest()
+    ripeWithProdnetPrefix = b'\x6F' + ripe.digest()
 
     checksum = hashlib.sha256(hashlib.sha256(
         ripeWithProdnetPrefix).digest()).digest()[:4]
     binaryBitcoinAddress = ripeWithProdnetPrefix + checksum
     numberOfZeroBytesOnBinaryBitcoinAddress = 0
-    while binaryBitcoinAddress[0] == '\x00':
+    while binaryBitcoinAddress[0] == b'\x00':
         numberOfZeroBytesOnBinaryBitcoinAddress += 1
         binaryBitcoinAddress = binaryBitcoinAddress[1:]
     base58encoded = arithmetic.changebase(binaryBitcoinAddress, 256, 58)
-    return "1" * numberOfZeroBytesOnBinaryBitcoinAddress + base58encoded
+    return b"1" * numberOfZeroBytesOnBinaryBitcoinAddress + base58encoded

src/network/bmproto.py

@@ -82,7 +82,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
         """Process incoming header"""
         self.magic, self.command, self.payloadLength, self.checksum = \
             protocol.Header.unpack(self.read_buf[:protocol.Header.size])
-        self.command = self.command.rstrip('\x00')
+        self.command = self.command.rstrip(b'\x00')
         if self.magic != protocol.magic:
             # skip 1 byte in order to sync
             self.set_state("bm_header", length=1)
@@ -107,7 +107,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
             self.invalid = True
         retval = True
         if not self.fullyEstablished and self.command not in (
-                "error", "version", "verack"):
+                b"error", b"version", b"verack"):
             logger.error(
                 'Received command %s before connection was fully'
                 ' established, ignoring', self.command)
@@ -168,14 +168,14 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
         """Decode node details from the payload"""
         # protocol.checkIPAddress()
         services, host, port = self.decode_payload_content("Q16sH")
-        if host[0:12] == '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF':
+        if host[0:12] == b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF':
             host = socket.inet_ntop(socket.AF_INET, str(host[12:16]))
-        elif host[0:6] == '\xfd\x87\xd8\x7e\xeb\x43':
+        elif host[0:6] == b'\xfd\x87\xd8\x7e\xeb\x43':
             # Onion, based on BMD/bitcoind
-            host = base64.b32encode(host[6:]).lower() + ".onion"
+            host = base64.b32encode(host[6:]).lower() + b".onion"
         else:
             host = socket.inet_ntop(socket.AF_INET6, str(host))
-        if host == "":
+        if host == b"":
             # This can happen on Windows systems which are not 64-bit
             # compatible so let us drop the IPv6 address.
             host = socket.inet_ntop(socket.AF_INET, str(host[12:16]))
@@ -477,7 +477,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
 
     def bm_command_ping(self):
         """Incoming ping, respond to it."""
-        self.append_write_buf(protocol.CreatePacket('pong'))
+        self.append_write_buf(protocol.CreatePacket(b'pong'))
         return True
 
     @staticmethod
@@ -531,12 +531,12 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
         if not self.peerValidityChecks():
             # ABORT afterwards
             return True
-        self.append_write_buf(protocol.CreatePacket('verack'))
+        self.append_write_buf(protocol.CreatePacket(b'verack'))
         self.verackSent = True
         ua_valid = re.match(
             r'^/[a-zA-Z]+:[0-9]+\.?[\w\s\(\)\./:;-]*/$', self.userAgent)
         if not ua_valid:
-            self.userAgent = '/INVALID:0/'
+            self.userAgent = b'/INVALID:0/'
         if not self.isOutbound:
             self.append_write_buf(protocol.assembleVersionMessage(
                 self.destination.host, self.destination.port,

src/network/connectionpool.py

@@ -381,7 +381,7 @@ class BMConnectionPool(object):
                 minTx -= 300 - 20
             if i.lastTx < minTx:
                 if i.fullyEstablished:
-                    i.append_write_buf(protocol.CreatePacket('ping'))
+                    i.append_write_buf(protocol.CreatePacket(b'ping'))
                 else:
                     i.close_reason = "Timeout (%is)" % (
                         time.time() - i.lastTx)

src/network/downloadthread.py

@@ -72,7 +72,7 @@ class DownloadThread(StoppableThread):
                 if not chunkCount:
                     continue
                 payload[0:0] = addresses.encodeVarint(chunkCount)
-                i.append_write_buf(protocol.CreatePacket('getdata', payload))
+                i.append_write_buf(protocol.CreatePacket(b'getdata', payload))
                 self.logger.debug(
                     '%s:%i Requesting %i objects',
                     i.destination.host, i.destination.port, chunkCount)

src/network/invthread.py

@@ -90,15 +90,15 @@ class InvThread(StoppableThread):
                     if fluffs:
                         random.shuffle(fluffs)
                         connection.append_write_buf(protocol.CreatePacket(
-                            'inv',
+                            b'inv',
                             addresses.encodeVarint(
-                                len(fluffs)) + ''.join(fluffs)))
+                                len(fluffs)) + b''.join(fluffs)))
                     if stems:
                         random.shuffle(stems)
                         connection.append_write_buf(protocol.CreatePacket(
-                            'dinv',
+                            b'dinv',
                             addresses.encodeVarint(
-                                len(stems)) + ''.join(stems)))
+                                len(stems)) + b''.join(stems)))
 
             invQueue.iterate()
             for _ in range(len(chunk)):

src/network/tcp.py

@@ -221,7 +221,7 @@ class TCPConnection(BMProto, TLSDispatcher):
                 'Sending huge inv message with %i objects to just this'
                 ' one peer', objectCount)
             self.append_write_buf(protocol.CreatePacket(
-                'inv', addresses.encodeVarint(objectCount) + payload))
+                b'inv', addresses.encodeVarint(objectCount) + payload))
 
         # Select all hashes for objects in this stream.
         bigInvList = {}

src/network/tls.py

@@ -34,7 +34,7 @@ else:
 # ciphers
 if (
     ssl.OPENSSL_VERSION_NUMBER >= 0x10100000
-    and not ssl.OPENSSL_VERSION.startswith(b"LibreSSL")
+    and not ssl.OPENSSL_VERSION.startswith("LibreSSL")
 ):
     sslProtocolCiphers = "AECDH-AES256-SHA@SECLEVEL=0"
 else:

src/network/uploadthread.py

@@ -49,7 +49,7 @@ class UploadThread(StoppableThread):
                         break
                     try:
                         payload.extend(protocol.CreatePacket(
-                            'object', state.Inventory[chunk].payload))
+                            b'object', state.Inventory[chunk].payload))
                         chunk_count += 1
                     except KeyError:
                         i.antiIntersectionDelay()

src/protocol.py

@@ -173,7 +173,7 @@ def checkIPAddress(host, private=False):
         return checkIPv4Address(host[12:], hostStandardFormat, private)
     elif host[0:6] == b'\xfd\x87\xd8\x7e\xeb\x43':
         # Onion, based on BMD/bitcoind
-        hostStandardFormat = base64.b32encode(host[6:]).lower() + ".onion"
+        hostStandardFormat = base64.b32encode(host[6:]).lower() + b".onion"
         if private:
             return False
         return hostStandardFormat
@@ -512,9 +512,9 @@ def decryptAndCheckPubkeyPayload(data, address):
         readPosition = 0
         # bitfieldBehaviors = decryptedData[readPosition:readPosition + 4]
         readPosition += 4
-        pubSigningKey = '\x04' + decryptedData[readPosition:readPosition + 64]
+        pubSigningKey = b'\x04' + decryptedData[readPosition:readPosition + 64]
         readPosition += 64
-        pubEncryptionKey = '\x04' + decryptedData[readPosition:readPosition + 64]
+        pubEncryptionKey = b'\x04' + decryptedData[readPosition:readPosition + 64]
         readPosition += 64
         specifiedNonceTrialsPerByteLength = decodeVarint(
             decryptedData[readPosition:readPosition + 10])[1]