paginate transactions

main.py

import requests

def flatten_list(_2d_list):
    flat_list = []
    # Iterate through the outer list
    for element in _2d_list:
        if type(element) is list:
            # If the element is of type list, iterate through the sublist
            for item in element:
                flat_list.append(item)
        else:
            flat_list.append(element)
    return flat_list

transaction_list_length = 1000
all_transactions = []
pubkey = "9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM"
transaction_list = requests.post(
        "QUICKNODE_URL",
        json={
      "jsonrpc": "2.0",
      "id": 1,
      "method": "getSignaturesForAddress",
      "params": [pubkey,{"limit": transaction_list_length}]
            },
          headers={'accept-encoding': 'gzip'}
        )
all_transactions.append(transaction_list.json()['result'])
while transaction_list_length >= 1000:
    last_signature = all_transactions[-1][-1]
    transaction_list = requests.post(
        "QUICKNODE_URL",
        json={
      "jsonrpc": "2.0",
      "id": 1,
      "method": "getSignaturesForAddress",
      "params": [pubkey,{"before": last_signature['signature']}]
            },
          headers={'accept-encoding': 'gzip'}
        ).json()['result']
    all_transactions.append(transaction_list)
    transaction_list_length = len(transaction_list)
    print("current:", transaction_list_length)
    print("total:", len(all_transactions))

all_transactions = flatten_list(all_transactions)
for obj in all_transactions:
  print(obj['signature'])