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crypto4gas.py
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crypto4gas.py
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#!/usr/bin/env python
from __future__ import print_function
import time
from struct import *
from RF24 import *
from RF24Network import *
import base64
import requests
import json
radio = RF24(25,8) # CE, CSN
network = RF24Network(radio)
millis = lambda: int(round(time.time() * 1000))
octlit = lambda n: int(n, 8)
# Address of our node in Octal format (01, 021, etc)
this_node = octlit("00")
# Address of the other node
other_node = octlit("01")
radio.begin()
time.sleep(0.1)
network.begin(90, this_node) # channel 90
radio.setDataRate(RF24_2MBPS)
radio.printDetails()
packets_sent = 0
last_sent = 0
def decode_MAC(raw):
return ':'.join( base64.b64decode(raw).hex().upper()[i:i+2] for i in range(0,12,2))
while 1:
network.update()
while network.available():
header, payload = network.read(62)
num_group = [int(base64.b64decode(payload[25:31].decode()+'==').hex()[i:i+2],16) for i in range(0,8,2)]
packet = {"dev":decode_MAC(payload[0:8]),"src":decode_MAC(payload[8:16]),"dst":decode_MAC(payload[16:24]),"rss":-num_group[0],"ess":payload[31:].decode().strip("+"),"ch":num_group[1],"ft":num_group[2],"fst":num_group[3]}
print("node "+str(header.from_node)+": ")
print(payload.decode()) # raw packet
print(packet)
print()