get_data.py

import requests
from time import sleep

def f(x):
    return """{
  transactions(
    address_friendly: "Ef8gQpp7pKD9GzBrcr3ju9faPjEWHPerhZ4tFpSiDoDUINxn",
    order_by: "lt"
    lt_gt: """ + '"' + str(x) + '"' + """
    page_size: 150
    page: 0
  ) {
    gen_utime
    hash
    lt
  }
}"""

endpoint = 'https://dton.io/graphql/'

cur = 0
total = []

while True:
    response = requests.post(endpoint, json={'query': f(cur)})
    try:
        data = response.json()['data']['transactions']
    except Exception as e:
        sleep(1)
        continue
        
    print(f"Got: {len(data)}")
    
    cur = int(max([i['lt'] for i in data]))
    
    if len(data) == 0:
        break
    else:
        total.extend(data)
    sleep(1)

print(len(total))