def submitTransaction():
content = request.json
try:
transaction = decryptData(PRIVATE_KEY, content['transaction'])
proposingNode = getName()
blockindex = getLastIndex()
timeStamp = str(datetime.datetime.now())
uid = str(uuid.uuid4())
addPendingTransaction(uid, proposingNode, transaction, blockindex,
timeStamp)
ll = retrieveNodeList()
for i in ll:
try:
TEMP_KEY = "keys/tempKey.pem"
saveKeyinFile(TEMP_KEY, i.publicKey)
data = {}
data["transaction"] = encryptData(TEMP_KEY, transaction)
data["proposingNode"] = encryptData(TEMP_KEY, proposingNode)
data["blockindex"] = encryptData(TEMP_KEY, blockindex)
data["timeStamp"] = encryptData(TEMP_KEY, timeStamp)
data["uid"] = encryptData(TEMP_KEY, uid)
rr = requests.post(i.ip + BASE_API + '/getTransaction',
json=data)
except Exception as e:
print(e)
return jsonify({
"code": 0,
"status": "Transaction is submitted to client",
"uid": uid
})
except Exception as e:
print(e)
return jsonify({"code": 1, "status": "Something Went Wrong"})
def clientTranSubmit():
content = request.json
try:
uid = decryptData(PRIVATE_KEY, content['uid'])
status = decryptData(PRIVATE_KEY, content['status'])
if status == "1":
setVoteCount(uid, getVoteCount(uid) + 1)
if calScore(uid) == True and str(getFlag(uid)) == "0":
addToBlockChain(uid)
#call others here
ll = retrieveNodeList()
for i in ll:
try:
TEMP_KEY = "keys/tempKey.pem"
saveKeyinFile(TEMP_KEY, i.publicKey)
data = {}
data["uid"] = encryptData(TEMP_KEY, uid)
data["status"] = encryptData(TEMP_KEY, status)
rr = requests.post(i.ip + BASE_API + '/nodeTranSubmit',
json=data)
except Exception as e:
print(e)
return jsonify({"code": 0, "status": "OK Got IT"})
except Exception as e:
print(e)
return jsonify({"code": 1, "status": "Something Went Wrong"})
def addNodeRequest():
content = request.json
try:
print("in request")
name = decryptData(PRIVATE_KEY, content['name'])
ipaddr = decryptData(PRIVATE_KEY, content['ipaddr'])
publicKey = content['publicKey']
companyName = decryptData(PRIVATE_KEY, content['companyName'])
companyID = decryptData(PRIVATE_KEY, content['companyID'])
#verify if the node doesn't exist?
addNodes(name, ipaddr, publicKey)
ll = getAllClients()
for i in ll:
try:
TEMP_KEY = "keys/tempKey.pem"
saveKeyinFile(TEMP_KEY, i.publicKey)
data = {}
data["name"] = encryptData(TEMP_KEY, name)
data["companyName"] = encryptData(TEMP_KEY, companyName)
data["companyID"] = encryptData(TEMP_KEY, companyID)
try:
rr = requests.post(i.callback_URL + '/addNode', json=data)
except Exception as e:
print(e)
except Exception as e:
print(e)
return jsonify({"code": 0, "status": "Node added"})
except:
return jsonify({"code": 1, "status": "Something Went Wrong here"})
def joinBlockchain():
content = request.form
f = request.files['file']
f.save(secure_filename(f.filename))
json_data = open(f.filename, 'r').read()
# json_data = json.dumps(json_data)
json_data = eval(json_data)
print(type(json_data))
try:
print(content)
nodes = json_data['nodes']
print(nodes)
# new_content = content["new_node_data"]
# name = decryptData(PRIVATE_KEY, new_content['name'])
# ipaddr = decryptData(PRIVATE_KEY, new_content['ipaddr'])
# info = decryptData(PRIVATE_KEY, new_content['info'])
# companyName = decryptData(PRIVATE_KEY, new_content['companyName'])
# companyID = decryptData(PRIVATE_KEY, new_content['companyID'])
name = content["name"]
ipaddr = content["ipaddr"]
info = content["info"]
companyName = content["companyName"]
companyID = content["companyID"]
publicKey = str(open(PUBLIC_KEY, 'r').read())
setBlockChain(name, ipaddr, info)
print(nodes)
z = 0
for i in nodes:
TEMP_KEY = "keys/tempKey.pem"
saveKeyinFile(TEMP_KEY, i["publicKey"])
data = {}
addNodes(i["name"], i["ipaddr"], i["publicKey"])
z = z + 1
data["name"] = encryptData(TEMP_KEY, name)
data["ipaddr"] = encryptData(TEMP_KEY, ipaddr)
data["publicKey"] = publicKey
data["companyName"] = encryptData(TEMP_KEY, companyName)
data["companyID"] = encryptData(TEMP_KEY, companyID)
URL = "http://" + str(i["ipaddr"]) + BASE_API + "/nodeRequest"
print(URL)
try:
rr = requests.post(URL, json=data)
print(rr.json())
except Exception as e:
print(e)
setInit()
return jsonify({"code": 0, "status": "Joined to blockchain"})
except Exception as e:
print(e)
return jsonify({"code": 1, "status": "Something Went Wrong"})
def getTransaction():
content = request.json
try:
proposingNode = decryptData(PRIVATE_KEY, content['proposingNode'])
transaction = decryptData(PRIVATE_KEY, content['transaction'])
blockindex = decryptData(PRIVATE_KEY, content['blockindex'])
timeStamp = decryptData(PRIVATE_KEY, content['timeStamp'])
uid = decryptData(PRIVATE_KEY, content['uid'])
addPendingTransaction(uid, proposingNode, transaction, blockindex,
timeStamp)
#call client for transaction strucutre check
ll = getAllClients()
for i in ll:
try:
TEMP_KEY = "keys/tempKey.pem"
saveKeyinFile(TEMP_KEY, i.publicKey)
data = {}
data["transaction"] = encryptData(TEMP_KEY, transaction)
data["proposingNode"] = encryptData(TEMP_KEY, proposingNode)
data["blockindex"] = encryptData(TEMP_KEY, blockindex)
data["uid"] = encryptData(TEMP_KEY, uid)
rr = requests.post(i.callback_URL + '/addTransaction',
json=data)
except Exception as e:
print(e)
##
#save in pending db
#call client for verify
return jsonify({
"code": 0,
"status": "Transaction is submitted to client"
})
except Exception as e:
print(e)
return jsonify({"code": 1, "status": "Something Went Wrong"})
def checkInit():
rr = requests.get(BASE_URL + "check")
data = rr.json()
saveKeyinFile(PUBLIC_KEY, data['publicKey'])
return data['code']
def save_node_publicKey():
response = requests.get("http://" + NODE_URL + BASE_API + "/check")
response = response.json()
print(response)
saveKeyinFile(nodePublicKey_path, response["publicKey"])