def getwalletfrompkey(request, pkey):
data = {}
print(type(pkey))
wallet = generate_wallet_from_pkey(pkey)
data["public_key"] = pkey
data["wallet"] = wallet
return HttpResponse(json.dumps(data), content_type="application/json")
def landing(request):
try:
pubkey = request.session['pubkey']
prikey = request.session['prikey']
print(pubkey)
print(pubkey.encode('utf-8'))
print(type(pubkey.encode('utf-8')))
wallet_id = generate_wallet_from_pkey(
pubkey
) #hashlib.sha256(pubkey.encode('utf-8')).hexdigest() #SHA256.new(pubkey).hexdigest()
balance = getbalance(pubkey)
if balance is None:
balance = 0
return render(request, "ok.html", locals())
except KeyError:
return render(request, "index.html", locals())
def getbalance(pubkey):
wallet_id = generate_wallet_from_pkey(pubkey)
outgoing = transaction.objects.filter(sender=pubkey).aggregate(
Sum('amount'))['amount__sum']
income = transaction.objects.filter(receiver=wallet_id).aggregate(
Sum('amount'))['amount__sum']
# print(outgoing)
# print(income)
if income and outgoing:
# print("user have both")
return (income - outgoing)
elif outgoing is None:
# print("user dont have outgoing")
return income
elif income is None:
return 0
else:
return 0
def sendcloudcoin(request):
allify = {}
data = {}
if request.method == 'POST':
senderprivatekey = request.POST.get('sprikey')
receiverwallet = request.POST.get('receiverwallet').strip()
amount = request.POST.get('amount').strip()
sender = generate_pubkey_from_prikey(senderprivatekey)
#print(checkreward())
if not receiverwallet:
allify['response'] = "fail"
allify['explain'] = "Please fill the receiver box"
return HttpResponse(json.dumps(allify),
content_type="application/json")
try:
amount = int(request.POST.get('amount').strip())
except ValueError:
allify['response'] = "fail"
allify['explain'] = "Please fill the balance box"
return HttpResponse(json.dumps(allify),
content_type="application/json")
if int(amount) <= 0:
allify['response'] = "fail"
allify['explain'] = "insufficient balance"
return HttpResponse(json.dumps(allify),
content_type="application/json")
balance = getbalance(sender)
if balance is None:
balance = 0
if int(amount) > int(balance):
allify['response'] = "fail"
allify['explain'] = "insufficient balance"
return HttpResponse(json.dumps(allify),
content_type="application/json")
else:
utc = arrow.utcnow()
local = utc.to('GMT')
first_timestamp = local.timestamp
data['sender'] = str(sender) #1
data['receiver'] = str(receiverwallet) #2
data['previous_hash'] = str(
transaction.objects.all().last().blockhash) #3
data['amount'] = str(amount) #4
data['timestamp'] = str(first_timestamp) #5
perfect = miner(first_timestamp, sender, receiverwallet, amount)
data["nonce"] = str(perfect)
data = collections.OrderedDict(sorted(data.items()))
datashash = hashlib.sha256(
json.dumps(data).encode('utf-8')).hexdigest()
#print(checkreward())
try:
sk = SigningKey.from_string(bytes.fromhex(senderprivatekey),
curve=SECP256k1)
vk = sk.get_verifying_key() #public_key
print(vk.to_string().hex())
except UnicodeDecodeError:
data["response"] = "Check your wallet details"
return HttpResponse(json.dumps(data),
content_type="application/json")
print("digital sign ishere", datashash.encode('utf-8'))
digitalSignature = sk.sign(datashash.encode('utf-8'))
digitalSignature = json.dumps(digitalSignature.hex())
wllt = generate_wallet_from_pkey(sender)
newtrans = transaction(
sender=sender,
senderwallet=wllt,
receiver=receiverwallet,
prevblockhash=transaction.objects.all().last().blockhash,
blockhash=datashash,
amount=amount,
nonce=perfect,
first_timestamp=first_timestamp,
P2PKH=digitalSignature,
verification=True)
newtrans.save()
ip = ni.ifaddresses('eth0')[ni.AF_INET][0]['addr']
geturl = "http://{}/api/v1/gettransaction/{}/".format(
ip, newtrans.id)
test = {
"server": False,
"sender": sender,
"receiver": receiverwallet,
"prevblockhash": transaction.objects.all().last().blockhash,
"blockhash": datashash,
"amount": amount,
"nonce": perfect,
"timestamp": first_timestamp,
"P2PKH": digitalSignature,
"verification": True,
"block": transaction.objects.all().last().id + 1,
"message": "new_transaction",
"url": geturl
}
payload = json.dumps(test)
ws = websocket.WebSocket()
wsip = "ws://{}:9000".format(ip)
ws.connect(wsip)
ws.send(payload)
allify['response'] = "ok"
allify['explain'] = "You currency transfered successfuly"
allify['datashash'] = datashash
allify['datastring'] = json.dumps(allify)
return HttpResponse(json.dumps(allify),
content_type="application/json")
def onMessage(self, payload, isBinary):
data = {}
print("onmessage")
allify = {}
if isBinary:
print("Binary message received: {0} bytes".format(len(payload)))
else:
payloaded = json.loads(payload.decode('utf-8'))
print(payloaded["host"])
if str(payloaded["host"]) == str(ip):
print("bu zaten sensin")
else:
payloaded = json.loads(payload.decode('utf-8'))
if 'sender' in payloaded:
data['sender'] = str(payloaded["sender"]) #1
data['receiver'] = str(payloaded["receiver"]) #2
data['previous_hash'] = str(
transaction.objects.all().last().blockhash) #3
data['amount'] = str(payloaded["amount"]) #4
data['timestamp'] = str(payloaded["timestamp"]) #5
data["nonce"] = str(payloaded["nonce"])
data = collections.OrderedDict(sorted(data.items()))
datashash = hashlib.sha256(
json.dumps(data).encode('utf-8')).hexdigest()
sig = json.loads(payloaded["P2PKH"])
print("datahashhere", datashash.encode('utf-8'))
print("sigbyte is here", sig)
print("sende weas here", payloaded["sender"])
wllt = generate_wallet_from_pkey(payloaded["sender"])
if (sig == "reward"):
newtrans = transaction(
sender=payloaded["sender"],
senderwallet=wllt,
receiver=payloaded["receiver"],
prevblockhash=transaction.objects.all().last(
).blockhash,
blockhash=payloaded["blockhash"],
amount=Decimal(payloaded["amount"]),
nonce=payloaded["nonce"],
first_timestamp=payloaded["timestamp"],
P2PKH=payloaded["P2PKH"],
verification=True).save()
else:
try:
sigbyte = bytes.fromhex(sig)
vk = VerifyingKey.from_string(bytes.fromhex(
payloaded["sender"]),
curve=SECP256k1)
tt = vk.verify(sigbyte,
datashash.encode('utf-8')) # True
except BadSignatureError:
print("unbelieveable")
data["response"] = "unbelieveable"
newtrans = transaction(
sender=payloaded["sender"],
senderwallet=wllt,
receiver=payloaded["receiver"],
prevblockhash=transaction.objects.all().last(
).blockhash,
blockhash=payloaded["blockhash"],
amount=Decimal(payloaded["amount"]),
nonce=payloaded["nonce"],
first_timestamp=payloaded["timestamp"],
P2PKH=payloaded["P2PKH"],
verification=False).save()
print("badsignature")
newtrans = transaction(
sender=payloaded["sender"],
senderwallet=wllt,
receiver=payloaded["receiver"],
prevblockhash=transaction.objects.all().last(
).blockhash,
blockhash=payloaded["blockhash"],
amount=Decimal(payloaded["amount"]),
nonce=payloaded["nonce"],
first_timestamp=payloaded["timestamp"],
P2PKH=payloaded["P2PKH"],
verification=True).save()
else:
print("other message")
BroadcastServerFactory.broadcast(payloaded)