Block discrepancy code

gistfile1.txt

import requests
import json
known = {}
# investigate block 2,623,809

block = 2623809

request_json = "{\r\n        \"jsonrpc\": \"2.0\",\r\n        \"method\": \"getblockhash\",\r\n        \"params\": [2623809],\r\n        \"id\": 3\r\n}"
request_json_prev = "{\r\n        \"jsonrpc\": \"2.0\",\r\n        \"method\": \"getblock\",\r\n        \"params\": [2623810,1],\r\n        \"id\": 3\r\n}"


def get_blockhash(addr):
    try:
        r = requests.post(addr, data=request_json, timeout=2)
        jr = r.json()
        print(addr, jr['result'])
    except:
        pass


def get_blockhash_prev(addr):
    try:
        r = requests.post(addr, data=request_json_prev, timeout=2)
        jr = r.json()
        print(addr, jr['result']['previousblockhash'])
    except:
        pass


def all_in_one():
    #from endpoints to results
    z = requests.get("https://api.happynodes.f27.ventures/redis/endpoints", timeout=10)
    dynamic_endpoints = json.loads(z.text)
    print(len(dynamic_endpoints['sites']))
    for s in dynamic_endpoints['sites']:
        port = s['port']
        url = s['url']
        protocol = s['protocol']
        full_addr = protocol + "://" + url + ":" + str(port)
        get_blockhash_prev(full_addr)


all_in_one()