Address operations: simplified the code a bit

src/addresses.py

@@ -52,7 +52,7 @@ def decodeBase58(string, alphabet=ALPHABET):
         for char in string:
             num *= base
             num += alphabet.index(char)
-    except:
+    except:  # ValueError
         # character not found (like a space character or a 0)
         return 0
     return num
@@ -279,10 +279,7 @@ def decodeAddress(address):
 
 def addBMIfNotPresent(address):
     address = str(address).strip()
-    if address[:3] != 'BM-':
+    return address if address[:3] == 'BM-' else 'BM-' + address
-        return 'BM-'+address
-    else:
-        return address
 
 
 if __name__ == "__main__":

src/class_singleWorker.py

@@ -34,7 +34,6 @@ from helper_sql import sqlQuery, sqlExecute
 # This thread, of which there is only one, does the heavy lifting:
 # calculating POWs.
 
-
 def sizeof_fmt(num, suffix='h/s'):
     for unit in ['', 'k', 'M', 'G', 'T', 'P', 'E', 'Z']:
         if abs(num) < 1000.0:
@@ -170,6 +169,62 @@ class singleWorker(threading.Thread, StoppableThread):
             queues.workerQueue.task_done()
         logger.info("Quitting...")
 
+    def _getKeysForAddress(self, address):
+        privSigningKeyBase58 = BMConfigParser().get(
+            address, 'privsigningkey')
+        privEncryptionKeyBase58 = BMConfigParser().get(
+            address, 'privencryptionkey')
+
+        privSigningKeyHex = hexlify(shared.decodeWalletImportFormat(
+            privSigningKeyBase58))
+        privEncryptionKeyHex = hexlify(shared.decodeWalletImportFormat(
+            privEncryptionKeyBase58))
+
+        # The \x04 on the beginning of the public keys are not sent.
+        # This way there is only one acceptable way to encode
+        # and send a public key.
+        pubSigningKey = unhexlify(highlevelcrypto.privToPub(
+            privSigningKeyHex))[1:]
+        pubEncryptionKey = unhexlify(highlevelcrypto.privToPub(
+            privEncryptionKeyHex))[1:]
+
+        return privSigningKeyHex, privEncryptionKeyHex, \
+            pubSigningKey, pubEncryptionKey
+
+    def _doPOWDefaults(self, payload, TTL,
+                       log_prefix='',
+                       log_time=False):
+        target = 2 ** 64 / (
+            defaults.networkDefaultProofOfWorkNonceTrialsPerByte * (
+                len(payload) + 8 +
+                defaults.networkDefaultPayloadLengthExtraBytes + ((
+                    TTL * (
+                        len(payload) + 8 +
+                        defaults.networkDefaultPayloadLengthExtraBytes
+                    )) / (2 ** 16))
+            ))
+        initialHash = hashlib.sha512(payload).digest()
+        logger.info(
+            '%s Doing proof of work... TTL set to %s', log_prefix, TTL)
+        if log_time:
+            start_time = time.time()
+        trialValue, nonce = proofofwork.run(target, initialHash)
+        logger.info(
+            '%s Found proof of work %s Nonce: %s',
+            log_prefix, trialValue, nonce
+        )
+        try:
+            delta = time.time() - start_time
+            logger.info(
+                'PoW took %.1f seconds, speed %s.',
+                delta, sizeof_fmt(nonce / delta)
+            )
+        except:  # NameError
+            pass
+        payload = pack('>Q', nonce) + payload
+        # inventoryHash = calculateInventoryHash(payload)
+        return payload
+
     # This function also broadcasts out the pubkey message
     # once it is done with the POW
     def doPOWForMyV2Pubkey(self, hash):
@@ -198,10 +253,9 @@ class singleWorker(threading.Thread, StoppableThread):
         payload += protocol.getBitfield(myAddress)
 
         try:
-            privSigningKeyBase58 = BMConfigParser().get(
+            # privSigningKeyHex, privEncryptionKeyHex
-                myAddress, 'privsigningkey')
+            _, _, pubSigningKey, pubEncryptionKey = \
-            privEncryptionKeyBase58 = BMConfigParser().get(
+                self._getKeysForAddress(myAddress)
-                myAddress, 'privencryptionkey')
         except Exception as err:
             logger.error(
                 'Error within doPOWForMyV2Pubkey. Could not read'
@@ -210,36 +264,11 @@ class singleWorker(threading.Thread, StoppableThread):
             )
             return
 
-        privSigningKeyHex = hexlify(shared.decodeWalletImportFormat(
+        payload += pubSigningKey + pubEncryptionKey
-            privSigningKeyBase58))
-        privEncryptionKeyHex = hexlify(shared.decodeWalletImportFormat(
-            privEncryptionKeyBase58))
-        pubSigningKey = unhexlify(highlevelcrypto.privToPub(
-            privSigningKeyHex))
-        pubEncryptionKey = unhexlify(highlevelcrypto.privToPub(
-            privEncryptionKeyHex))
-
-        payload += pubSigningKey[1:]
-        payload += pubEncryptionKey[1:]
 
         # Do the POW for this pubkey message
-        target = 2 ** 64 / (
+        payload = self._doPOWDefaults(
-            defaults.networkDefaultProofOfWorkNonceTrialsPerByte * (
+            payload, TTL, log_prefix='(For pubkey message)')
-                len(payload) + 8 +
-                defaults.networkDefaultPayloadLengthExtraBytes + ((
-                    TTL * (
-                        len(payload) + 8 +
-                        defaults.networkDefaultPayloadLengthExtraBytes
-                    )) / (2 ** 16))
-            ))
-        logger.info('(For pubkey message) Doing proof of work...')
-        initialHash = hashlib.sha512(payload).digest()
-        trialValue, nonce = proofofwork.run(target, initialHash)
-        logger.info(
-            '(For pubkey message) Found proof of work %s Nonce: %s',
-            trialValue, nonce
-        )
-        payload = pack('>Q', nonce) + payload
 
         inventoryHash = calculateInventoryHash(payload)
         objectType = 1
@@ -296,10 +325,9 @@ class singleWorker(threading.Thread, StoppableThread):
         payload += protocol.getBitfield(myAddress)
 
         try:
-            privSigningKeyBase58 = BMConfigParser().get(
+            privSigningKeyHex, privEncryptionKeyHex, \
-                myAddress, 'privsigningkey')
+                pubSigningKey, pubEncryptionKey = self._getKeysForAddress(
-            privEncryptionKeyBase58 = BMConfigParser().get(
+                    myAddress)
-                myAddress, 'privencryptionkey')
         except Exception as err:
             logger.error(
                 'Error within sendOutOrStoreMyV3Pubkey. Could not read'
@@ -308,17 +336,7 @@ class singleWorker(threading.Thread, StoppableThread):
             )
             return
 
-        privSigningKeyHex = hexlify(shared.decodeWalletImportFormat(
+        payload += pubSigningKey + pubEncryptionKey
-            privSigningKeyBase58))
-        privEncryptionKeyHex = hexlify(shared.decodeWalletImportFormat(
-            privEncryptionKeyBase58))
-        pubSigningKey = unhexlify(highlevelcrypto.privToPub(
-            privSigningKeyHex))
-        pubEncryptionKey = unhexlify(highlevelcrypto.privToPub(
-            privEncryptionKeyHex))
-
-        payload += pubSigningKey[1:]
-        payload += pubEncryptionKey[1:]
 
         payload += encodeVarint(BMConfigParser().getint(
             myAddress, 'noncetrialsperbyte'))
@@ -330,24 +348,9 @@ class singleWorker(threading.Thread, StoppableThread):
         payload += signature
 
         # Do the POW for this pubkey message
-        target = 2 ** 64 / (
+        payload = self._doPOWDefaults(
-            defaults.networkDefaultProofOfWorkNonceTrialsPerByte * (
+            payload, TTL, log_prefix='(For pubkey message)')
-                len(payload) + 8 +
-                defaults.networkDefaultPayloadLengthExtraBytes + ((
-                    TTL * (
-                        len(payload) + 8 +
-                        defaults.networkDefaultPayloadLengthExtraBytes
-                    )) / (2 ** 16))
-            ))
-        logger.info('(For pubkey message) Doing proof of work...')
-        initialHash = hashlib.sha512(payload).digest()
-        trialValue, nonce = proofofwork.run(target, initialHash)
-        logger.info(
-            '(For pubkey message) Found proof of work. Nonce: %s',
-            str(nonce)
-        )
 
-        payload = pack('>Q', nonce) + payload
         inventoryHash = calculateInventoryHash(payload)
         objectType = 1
         Inventory()[inventoryHash] = (
@@ -362,8 +365,8 @@ class singleWorker(threading.Thread, StoppableThread):
                 myAddress, 'lastpubkeysendtime', str(int(time.time())))
             BMConfigParser().save()
         except:
-            # The user deleted the address out of the keys.dat file before this
+            # The user deleted the address out of the keys.dat file
-            # finished.
+            # before this finished.
             pass
 
     # If this isn't a chan address, this function assembles
@@ -388,10 +391,9 @@ class singleWorker(threading.Thread, StoppableThread):
         dataToEncrypt = protocol.getBitfield(myAddress)
 
         try:
-            privSigningKeyBase58 = BMConfigParser().get(
+            privSigningKeyHex, privEncryptionKeyHex, \
-                myAddress, 'privsigningkey')
+                pubSigningKey, pubEncryptionKey = self._getKeysForAddress(
-            privEncryptionKeyBase58 = BMConfigParser().get(
+                    myAddress)
-                myAddress, 'privencryptionkey')
         except Exception as err:
             logger.error(
                 'Error within sendOutOrStoreMyV4Pubkey. Could not read'
@@ -400,16 +402,7 @@ class singleWorker(threading.Thread, StoppableThread):
             )
             return
 
-        privSigningKeyHex = hexlify(shared.decodeWalletImportFormat(
+        dataToEncrypt += pubSigningKey + pubEncryptionKey
-            privSigningKeyBase58))
-        privEncryptionKeyHex = hexlify(shared.decodeWalletImportFormat(
-            privEncryptionKeyBase58))
-        pubSigningKey = unhexlify(highlevelcrypto.privToPub(
-            privSigningKeyHex))
-        pubEncryptionKey = unhexlify(highlevelcrypto.privToPub(
-            privEncryptionKeyHex))
-        dataToEncrypt += pubSigningKey[1:]
-        dataToEncrypt += pubEncryptionKey[1:]
 
         dataToEncrypt += encodeVarint(BMConfigParser().getint(
             myAddress, 'noncetrialsperbyte'))
@@ -440,24 +433,9 @@ class singleWorker(threading.Thread, StoppableThread):
             dataToEncrypt, hexlify(pubEncryptionKey))
 
         # Do the POW for this pubkey message
-        target = 2 ** 64 / (
+        payload = self._doPOWDefaults(
-            defaults.networkDefaultProofOfWorkNonceTrialsPerByte * (
+            payload, TTL, log_prefix='(For pubkey message)')
-                len(payload) + 8 +
-                defaults.networkDefaultPayloadLengthExtraBytes + ((
-                    TTL * (
-                        len(payload) + 8 +
-                        defaults.networkDefaultPayloadLengthExtraBytes
-                    )) / (2 ** 16))
-            ))
-        logger.info('(For pubkey message) Doing proof of work...')
-        initialHash = hashlib.sha512(payload).digest()
-        trialValue, nonce = proofofwork.run(target, initialHash)
-        logger.info(
-            '(For pubkey message) Found proof of work %s Nonce: %s',
-            trialValue, nonce
-        )
 
-        payload = pack('>Q', nonce) + payload
         inventoryHash = calculateInventoryHash(payload)
         objectType = 1
         Inventory()[inventoryHash] = (
@@ -502,10 +480,9 @@ class singleWorker(threading.Thread, StoppableThread):
             # We need to convert our private keys to public keys in order
             # to include them.
             try:
-                privSigningKeyBase58 = BMConfigParser().get(
+                privSigningKeyHex, privEncryptionKeyHex, \
-                    fromaddress, 'privsigningkey')
+                    pubSigningKey, pubEncryptionKey = self._getKeysForAddress(
-                privEncryptionKeyBase58 = BMConfigParser().get(
+                        fromaddress)
-                    fromaddress, 'privencryptionkey')
             except:
                 queues.UISignalQueue.put((
                     'updateSentItemStatusByAckdata', (
@@ -522,18 +499,11 @@ class singleWorker(threading.Thread, StoppableThread):
                 ''' WHERE ackdata=? AND status='broadcastqueued' ''',
                 ackdata)
 
-            privSigningKeyHex = hexlify(shared.decodeWalletImportFormat(
-                privSigningKeyBase58))
-            privEncryptionKeyHex = hexlify(shared.decodeWalletImportFormat(
-                privEncryptionKeyBase58))
-
             # At this time these pubkeys are 65 bytes long
             # because they include the encoding byte which we won't
             # be sending in the broadcast message.
-            pubSigningKey = \
+            # pubSigningKey = \
-                highlevelcrypto.privToPub(privSigningKeyHex).decode('hex')
+            #     highlevelcrypto.privToPub(privSigningKeyHex).decode('hex')
-            pubEncryptionKey = unhexlify(highlevelcrypto.privToPub(
-                privEncryptionKeyHex))
 
             if TTL > 28 * 24 * 60 * 60:
                 TTL = 28 * 24 * 60 * 60
@@ -565,8 +535,7 @@ class singleWorker(threading.Thread, StoppableThread):
             dataToEncrypt += encodeVarint(streamNumber)
             # behavior bitfield
             dataToEncrypt += protocol.getBitfield(fromaddress)
-            dataToEncrypt += pubSigningKey[1:]
+            dataToEncrypt += pubSigningKey + pubEncryptionKey
-            dataToEncrypt += pubEncryptionKey[1:]
             if addressVersionNumber >= 3:
                 dataToEncrypt += encodeVarint(BMConfigParser().getint(
                     fromaddress, 'noncetrialsperbyte'))
@@ -604,16 +573,6 @@ class singleWorker(threading.Thread, StoppableThread):
             payload += highlevelcrypto.encrypt(
                 dataToEncrypt, hexlify(pubEncryptionKey))
 
-            target = 2 ** 64 / (
-                defaults.networkDefaultProofOfWorkNonceTrialsPerByte * (
-                    len(payload) + 8 +
-                    defaults.networkDefaultPayloadLengthExtraBytes + ((
-                        TTL * (
-                            len(payload) + 8 +
-                            defaults.networkDefaultPayloadLengthExtraBytes
-                        )) / (2 ** 16))
-                ))
-            logger.info('(For broadcast message) Doing proof of work...')
             queues.UISignalQueue.put((
                 'updateSentItemStatusByAckdata', (
                     ackdata,
@@ -621,14 +580,8 @@ class singleWorker(threading.Thread, StoppableThread):
                         "MainWindow",
                         "Doing work necessary to send broadcast..."))
             ))
-            initialHash = hashlib.sha512(payload).digest()
+            payload = self._doPOWDefaults(
-            trialValue, nonce = proofofwork.run(target, initialHash)
+                payload, TTL, log_prefix='(For broadcast message)')
-            logger.info(
-                '(For broadcast message) Found proof of work %s Nonce: %s',
-                trialValue, nonce
-            )
-
-            payload = pack('>Q', nonce) + payload
 
             # Sanity check. The payload size should never be larger
             # than 256 KiB. There should be checks elsewhere in the code
@@ -1093,10 +1046,9 @@ class singleWorker(threading.Thread, StoppableThread):
             # We need to convert our private keys to public keys in order
             # to include them.
             try:
-                privSigningKeyBase58 = BMConfigParser().get(
+                privSigningKeyHex, privEncryptionKeyHex, \
-                    fromaddress, 'privsigningkey')
+                    pubSigningKey, pubEncryptionKey = self._getKeysForAddress(
-                privEncryptionKeyBase58 = BMConfigParser().get(
+                        fromaddress)
-                    fromaddress, 'privencryptionkey')
             except:
                 queues.UISignalQueue.put((
                     'updateSentItemStatusByAckdata', (
@@ -1108,21 +1060,7 @@ class singleWorker(threading.Thread, StoppableThread):
                 ))
                 continue
 
-            privSigningKeyHex = hexlify(shared.decodeWalletImportFormat(
+            payload += pubSigningKey + pubEncryptionKey
-                privSigningKeyBase58))
-            privEncryptionKeyHex = hexlify(shared.decodeWalletImportFormat(
-                privEncryptionKeyBase58))
-
-            pubSigningKey = unhexlify(highlevelcrypto.privToPub(
-                privSigningKeyHex))
-            pubEncryptionKey = unhexlify(highlevelcrypto.privToPub(
-                privEncryptionKeyHex))
-
-            # The \x04 on the beginning of the public keys are not sent.
-            # This way there is only one acceptable way to encode
-            # and send a public key.
-            payload += pubSigningKey[1:]
-            payload += pubEncryptionKey[1:]
 
             if fromAddressVersionNumber >= 3:
                 # If the receiver of our message is in our address book,
@@ -1411,23 +1349,8 @@ class singleWorker(threading.Thread, StoppableThread):
                     "Doing work necessary to request encryption key."))
         ))
 
-        target = 2 ** 64 / (
+        payload = self._doPOWDefaults(payload, TTL)
-            defaults.networkDefaultProofOfWorkNonceTrialsPerByte * (
-                len(payload) + 8 +
-                defaults.networkDefaultPayloadLengthExtraBytes + ((
-                    TTL * (
-                        len(payload) + 8 +
-                        defaults.networkDefaultPayloadLengthExtraBytes
-                    )) / (2 ** 16))
-            ))
-        initialHash = hashlib.sha512(payload).digest()
-        trialValue, nonce = proofofwork.run(target, initialHash)
-        logger.info(
-            'Found proof of work %s Nonce: %s',
-            trialValue, nonce
-        )
 
-        payload = pack('>Q', nonce) + payload
         inventoryHash = calculateInventoryHash(payload)
         objectType = 1
         Inventory()[inventoryHash] = (
@@ -1484,33 +1407,7 @@ class singleWorker(threading.Thread, StoppableThread):
         # type/version/stream already included
         payload = pack('>Q', (embeddedTime)) + ackdata
 
-        target = 2 ** 64 / (
+        payload = self._doPOWDefaults(
-            defaults.networkDefaultProofOfWorkNonceTrialsPerByte * (
+            payload, TTL, log_prefix='(For ack message)', log_time=True)
-                len(payload) + 8 +
-                defaults.networkDefaultPayloadLengthExtraBytes + ((
-                    TTL * (
-                        len(payload) + 8 +
-                        defaults.networkDefaultPayloadLengthExtraBytes
-                    )) / (2 ** 16))
-            ))
-        logger.info(
-            '(For ack message) Doing proof of work. TTL set to %s', TTL)
 
-        powStartTime = time.time()
-        initialHash = hashlib.sha512(payload).digest()
-        trialValue, nonce = proofofwork.run(target, initialHash)
-        logger.info(
-            '(For ack message) Found proof of work %s Nonce: %s',
-            trialValue, nonce
-        )
-        try:
-            logger.info(
-                'PoW took %.1f seconds, speed %s.',
-                time.time() - powStartTime,
-                sizeof_fmt(nonce / (time.time() - powStartTime))
-            )
-        except:
-            pass
-
-        payload = pack('>Q', nonce) + payload
         return protocol.CreatePacket('object', payload)

src/shared.py

@@ -130,19 +130,15 @@ def decodeWalletImportFormat(WIFstring):
         )
         os._exit(0)
         # return ""
-    else:
+    elif privkey[0] == '\x80':  # checksum passed
-        # checksum passed
-        if privkey[0] == '\x80':
         return privkey[1:]
-        else:
+
     logger.critical(
-                'Major problem! When trying to decode one of your'
+        'Major problem! When trying to decode one of your  private keys,'
-                ' private keys, the checksum passed but the key doesn\'t'
+        ' the checksum passed but the key doesn\'t begin with hex 80.'
-                ' begin with hex 80. Here is the PRIVATE key: %s',
+        ' Here is the PRIVATE key: %s', WIFstring
-                WIFstring
     )
     os._exit(0)
-            # return ""
 
 
 def reloadMyAddressHashes():
@@ -383,15 +379,15 @@ def decryptAndCheckPubkeyPayload(data, address):
         readPosition += signatureLengthLength
         signature = decryptedData[readPosition:readPosition + signatureLength]
 
-        if highlevelcrypto.verify(
+        if not highlevelcrypto.verify(
                 signedData, signature, hexlify(publicSigningKey)):
-            logger.info(
-                'ECDSA verify passed (within decryptAndCheckPubkeyPayload)')
-        else:
             logger.info(
                 'ECDSA verify failed (within decryptAndCheckPubkeyPayload)')
             return 'failed'
 
+        logger.info(
+            'ECDSA verify passed (within decryptAndCheckPubkeyPayload)')
+
         sha = hashlib.new('sha512')
         sha.update(publicSigningKey + publicEncryptionKey)
         ripeHasher = hashlib.new('ripemd160')
@@ -460,7 +456,7 @@ def checkAndShareObjectWithPeers(data):
         )
         return 0
     # The EOL time was more than an hour ago. That's too much.
-    if endOfLifeTime - int(time.time()) < - 3600:
+    if endOfLifeTime - int(time.time()) < -3600:
         logger.info(
             'This object\'s End of Life time was more than an hour ago.'
             ' Ignoring the object. Time is %s' % endOfLifeTime