Check whether an account commenced a double baking lately

tezos_double_baking.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
Get double baking events from Tezos blockchain and check whether an offender was a certain baker.

me - your baker address,
tail - history length to check for double baking,
url - public api to use.

@source https://gist.github.com/yellowred/c93288db6897ae29745a4f19ec752a17
"""
import urllib, json, sys

tail = '100'
me = 'tz1XQ7SRj4QQWjaeebNd8dFwuTrCot3GGDRF'
url = "http://api.tzscan.io/v1/operations?type=Double_baking_evidence&p=0&number=" + tail

response = urllib.urlopen(url)
data = json.loads(response.read())
double_baked = False

for elem in data:
  for ops in elem['type']['operations']:
    if ops['offender']['tz'] == me:
      print elem['hash']
      double_baked = True

if double_baked:
  sys.exit(1)
sys.exit(0)