work on pow for public keys

Makefile

@@ -30,4 +30,4 @@ soft-reset:
 reset:
 	@echo "Hard-resetting Onionr..."
 	rm -rf onionr/data/ | true > /dev/null 2>&1
-	@./RUN-LINUX.sh version | grep -v "Failed" --color=always
+	#@./RUN-LINUX.sh version | grep -v "Failed" --color=always

onionr/api.py

@@ -227,8 +227,8 @@ class API:
                     response = 'none'
                 resp = Response(response)
             elif action == 'kex':
-                peers = self._core.listPeers()
+                peers = self._core.listPeers(getPow=True)
-                response = ','.join(self._core.listPeers())
+                response = ','.join(peers)
                 resp = Response(response)
             else:
                 resp = Response("")

onionr/communicator.py

@@ -679,7 +679,7 @@ class OnionrCommunicate:
         except KeyError:
             return False
         dataLen = len(blockContent)
-        print(blockContent)
+        
         expectedHash = self._crypto.blake2bHash(base64.b64decode(metadata['powToken']) + self._crypto.blake2bHash(blockContent.encode()))
         difficulty = 0
         try:

onionr/core.py

@@ -76,7 +76,7 @@ class Core:
             exit(1)
         return
 
-    def addPeer(self, peerID, name=''):
+    def addPeer(self, peerID, powID, name=''):
         '''
             Adds a public key to the key database (misleading function name)
 
@@ -85,10 +85,11 @@ class Core:
         # This function simply adds a peer to the DB
         if not self._utils.validatePubKey(peerID):
             return False
+        
         conn = sqlite3.connect(self.peerDB)
         hashID = self._crypto.pubKeyHashID(peerID)
         c = conn.cursor()
-        t = (peerID, name, 'unknown', hashID)
+        t = (peerID, name, 'unknown', hashID, powID)
 
         for i in c.execute("SELECT * FROM PEERS where id = '" + peerID + "';"):
             try:
@@ -99,7 +100,7 @@ class Core:
                 pass
             except IndexError:
                 pass
-        c.execute('INSERT INTO peers (id, name, dateSeen, hashID) VALUES(?, ?, ?, ?);', t)
+        c.execute('INSERT INTO peers (id, name, dateSeen, pow, hashID) VALUES(?, ?, ?, ?, ?);', t)
         conn.commit()
         conn.close()
 
@@ -212,7 +213,8 @@ class Core:
             bytesStored int,
             trust int,
             pubkeyExchanged int,
-            hashID);
+            hashID text,
+            pow text not null);
         ''')
         conn.commit()
         conn.close()
@@ -431,7 +433,7 @@ class Core:
         conn.close()
         return addressList
 
-    def listPeers(self, randomOrder=True):
+    def listPeers(self, randomOrder=True, getPow=False):
         '''
             Return a list of public keys (misleading function name)
 
@@ -448,9 +450,15 @@ class Core:
         for i in c.execute(payload):
             try:
                 if len(i[0]) != 0:
+                    if getPow:
+                        peerList.append(i[0] + '-' + i[11])
+                    else:
                         peerList.append(i[0])
             except TypeError:
                 pass
+        if getPow:
+            peerList.append(self._crypto.pubKey + '-' + self._crypto.pubKeyPowToken)
+        else:
             peerList.append(self._crypto.pubKey)
         conn.close()
         return peerList
@@ -633,6 +641,7 @@ class Core:
         powProof = onionrproofs.POW(data)
         powToken = ''
         # wait for proof to complete
+        try:
             while True:
                 powToken = powProof.getResult()
                 if powToken == False:
@@ -646,6 +655,10 @@ class Core:
                     pass
                 finally:
                     break
+        except KeyboardInterrupt:
+            logger.warn("Got keyboard interrupt while working on inserting block, stopping.")
+            powProof.shutdown()
+            return ''
 
         try:
             data.decode()

onionr/onionr.py

@@ -389,6 +389,7 @@ class Onionr:
         addedHash = self.onionrCore.insertBlock(messageToAdd, header='txt')
         #self.onionrCore.addToBlockDB(addedHash, selfInsert=True)
         #self.onionrCore.setBlockType(addedHash, 'txt')
+        if addedHash != '':
             logger.info("Message inserted as as block %s" % addedHash)
         return
 

onionr/onionrcrypto.py

@@ -17,15 +17,19 @@
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 '''
-import nacl.signing, nacl.encoding, nacl.public, nacl.hash, nacl.secret, os, binascii, base64, hashlib, logger
+import nacl.signing, nacl.encoding, nacl.public, nacl.hash, nacl.secret, os, binascii, base64, hashlib, logger, onionrproofs, time
 
 class OnionrCrypto:
     def __init__(self, coreInstance):
         self._core = coreInstance
         self._keyFile = 'data/keys.txt'
+        self.keyPowFile = 'data/keyPow.txt'
         self.pubKey = None
         self.privKey = None
         
+        self.pubKeyPowToken = None
+        self.pubKeyPowHash = None
+
         self.HASH_ID_ROUNDS = 2000
 
         # Load our own pub/priv Ed25519 keys, gen & save them if they don't exist
@@ -34,12 +38,30 @@ class OnionrCrypto:
                 keys = keys.read().split(',')
                 self.pubKey = keys[0]
                 self.privKey = keys[1]
+            try:
+                with open(self.keyPowFile, 'r') as powFile:
+                    data = powFile.read()
+                    self.pubKeyPowHash = data.split('-')[0]
+                    self.pubKeyPowToken = data.split('-')[1]
+            except (FileNotFoundError, IndexError):
+                pass
         else:
             keys = self.generatePubKey()
             self.pubKey = keys[0]
             self.privKey = keys[1]
             with open(self._keyFile, 'w') as keyfile:
                 keyfile.write(self.pubKey + ',' + self.privKey)
+            with open(self.keyPowFile, 'w') as keyPowFile:
+                proof = onionrproofs.POW(self.pubKey)
+                logger.info('Doing necessary work to insert our public key')
+                while True:
+                    time.sleep(0.2)
+                    powToken = proof.getResult()
+                    if powToken != False:
+                        break
+                keyPowFile.write(base64.b64encode(powToken[1]).decode())
+                self.pubKeyPowToken = powToken[1]
+                self.pubKeyPowHash = powToken[0]
         return
 
     def edVerify(self, data, key, sig, encodedData=True):

onionr/onionrutils.py

@@ -101,9 +101,16 @@ class OnionrUtils:
             retVal = False
             if newKeyList != False:
                 for key in newKeyList.split(','):
-                    if not key in self._core.listPeers(randomOrder=False) and type(key) != None and key != self._core._crypto.pubKey:
+                    key = key.split('-')
-                        if self._core.addPeer(key):
+                    if len(key[0]) > 60 or len(key[1]) > 1000:
+                        logger.warn(key[0] + ' or its pow value is too large.')
+                        continue
+                    if self._core._crypto.blake2bHash(base64.b64decode(key[1]) + key[0]).startswith('0000'):
+                        if not key[0] in self._core.listPeers(randomOrder=False) and type(key) != None and key[0] != self._core._crypto.pubKey:
+                            if self._core.addPeer(key[0], key[1]):
                                 retVal = True
+                    else:
+                        logger.warn(key[0] + 'pow failed')
             return retVal
         except Exception as error:
             logger.error('Failed to merge keys.', error=error)