def runUdpReceiver(self):
while True:
data, addr = self.server.recvfrom(1024)
dataJson = json.loads(data)
if (dataJson["coin"] == "simplecoin"):
# address = "http://" + addr[0] + ":"+ str(addr[1])
# Address of ledger on other client should be on port 8001
address = "http://" + addr[0] + ":" + str(8001)
tosend = dict()
tosend['ip'] = socket.gethostbyname(socket.gethostname())
tosend['encryptedNonce'] = encryptedNonce
tosend['wallet'] = Wallet("new Name", creatorKey, "")
# At this point I have sent a post request and am saving the response which is a list of all known peers and
# an ecrypted nonce, and a public key
r = request.post(url=address + "/peers", data=tosend)
postResponse = r.getresponse()
if (postResponse.text == ""):
print("already registered with other peer")
else:
postData = postResponse.read()
alldata = JSON.parse(postData)
encryptedNonced = alldata['encryptedNonce']
publicKey = alldata['publicKey']
decryptedNonced = rsa.decryptMessage(
publicKey, encryptedNonced)
if (decryptedNonced == nonce):
currPeerList = ledger.getPeerList()
newPostPeers = alldata['peerList']
util.joinPeerLists(newPostPeers, currPeerList)
def test1():
if request.method == 'POST':
data = json.loads(request.get_data().decode('UTF-8'))
encryptedNonce = data['encryptedNonce']
publicKey = data['wallet']['publicKey']
name = data['wallet']['name']
ip = data['ip']
decryptedNonce = rsa.decryptMessage(publicKey, encryptedNonce)
reEncryptedNonce = rsa.encryptMessage(creatorPrivKey, decryptedNonce)
if self.isDuplicate(ip):
# don't send back peer list
return ""
else:
# add to my list
lock.acquire(blocking=True)
peerList.append(Peer(ip, Wallet(name, publicKey)))
lock.release()
# send get request at /peers?mode=json
g = requests.get(url=address + "/peers?mode=json")
getResponse = g.getresponse()
getData = getResponse.read()
allGetData = JSON.parse(getData)
# peerList is returned in unencrypted json
newList = allGetData["peerList"]
util.joinPeerLists(newList, peerList)
# send back all known peers with encrypted nonce with my private key
tosend = {
"peerList": peerList,
"publicKey": creatorKey,
"encryptedNonce": reEncryptedNonce
}
jsonPeerList = json.dumps(peerList, indent=4, cls=ChainEncoder)
return jsonPeerList
else:
mode = request.args.get('mode')
if (mode == "json"):
# returns an unencrypted JSON with a list of all known peers
tosend = {
"peerList": peerList,
}
jsonPeerList = json.dumps(peerList, indent=4, cls=ChainEncoder)
return jsonPeerList
else:
# returns an HTML page populated with a list of all known peers
return render_template(
'startBlock.html',
peers=peerList,
)
def decryptHash(self):
#Decrypt operation with sender public key
return rsa.decryptMessage(self.senderPub, str(self.hash))