wait_for_address_tx.py

#!/usr/bin/env python

import urllib2
import json
import sys
import time
import wget
import os

if len(sys.argv) == 1:
    address = raw_input('Please enter the receiving address: ')
    print(address)
    satoshi_amount = int(raw_input('Please enter sending amount (in satoshi): '))
else:
    address = sys.argv[1]
    satoshi_amount = int(sys.argv[2])
amount = satoshi_amount * 0.00000001
os.system("rm /tmp/qr.png")
url = "https://chart.googleapis.com/chart?chs=250x250&cht=qr&chl= bitcoincash:%s?amount=%s" % (address, amount)
print("Generating QR code.")
wget.download(url, out="/tmp/qr.png")
print()

os.system("xdg-open /tmp/qr.png")


response = urllib2.urlopen('https://bch-chain.api.btc.com/v3/address/%s' % address)
data = json.load(response)


while data['data'] is None:
    print("This wallet address has no tx activity. Trying again in 5 seconds.")
    time.sleep(5)
    response = urllib2.urlopen('https://bch-chain.api.btc.com/v3/address/%s' % address)
    data = json.load(response)

last_tx =  data['data']['last_tx']
response = urllib2.urlopen('https://bch-chain.api.btc.com/v3/tx/%s' % last_tx)
data = json.load(response)
outputs = data['data']['outputs']
total_amount = 0
for output in outputs:
    for addr in output['addresses']:
        if addr == address:
            total_amount += int(output['value'])

print("\n")
if satoshi_amount > total_amount:
    print("The last tx did not hold the right amount of satoshi. Expected: %s, Got: %s" % (satoshi_amount, total_amount))
else:
    print("SUCCESS!! Found the expected satoshi amount. Expected: %s, Got %s" % (satoshi_amount, total_amount))