import json import os import re from datetime import timedelta from pathlib import Path from threading import Thread import dotenv from nostr_sdk import Client, Timestamp, PublicKey, Tag, Keys, Options, Alphabet from interfaces.dvmtaskinterface import DVMTaskInterface from tasks.convert_media import MediaConverter from utils.admin_utils import AdminConfig from utils.backend_utils import keep_alive from utils.definitions import EventDefinitions from utils.dvmconfig import DVMConfig from utils.nip89_utils import NIP89Config, check_and_set_d_tag from utils.nostr_utils import get_event_by_id, check_and_set_private_key from utils.output_utils import post_process_list_to_users """ This File contains a Module to find inactive follows for a user on nostr Accepted Inputs: None needed Outputs: A list of users that have been inactive Params: None """ class DiscoverInactiveFollows(DVMTaskInterface): KIND: int = EventDefinitions.KIND_NIP90_PEOPLE_DISCOVERY TASK: str = "inactive-follows" FIX_COST: float = 50 client: Client dvm_config: DVMConfig def __init__(self, name, dvm_config: DVMConfig, nip89config: NIP89Config, admin_config: AdminConfig = None, options=None): super().__init__(name, dvm_config, nip89config, admin_config, options) def is_input_supported(self, tags): # no input required return True def create_request_form_from_nostr_event(self, event, client=None, dvm_config=None): self.client = client self.dvm_config = dvm_config request_form = {"jobID": event.id().to_hex()} # default values user = event.pubkey().to_hex() since_days = 90 for tag in event.tags(): if tag.as_vec()[0] == 'param': param = tag.as_vec()[1] if param == "user": # check for param type user = tag.as_vec()[2] elif param == "since_days": # check for param type since_days = int(tag.as_vec()[2]) options = { "user": user, "since_days": since_days } request_form['options'] = json.dumps(options) return request_form def process(self, request_form): from nostr_sdk import Filter from types import SimpleNamespace ns = SimpleNamespace() options = DVMTaskInterface.set_options(request_form) step = 20 followers_filter = Filter().author(PublicKey.from_hex(options["user"])).kind(3).limit(1) followers = self.client.get_events_of([followers_filter], timedelta(seconds=self.dvm_config.RELAY_TIMEOUT)) if len(followers) > 0: result_list = [] newest = 0 best_entry = followers[0] for entry in followers: if entry.created_at().as_secs() > newest: newest = entry.created_at().as_secs() best_entry = entry print(best_entry.as_json()) followings = [] ns.dic = {} for tag in best_entry.tags(): if tag.as_vec()[0] == "p": following = tag.as_vec()[1] followings.append(following) ns.dic[following] = "False" print("Followings: " + str(len(followings))) not_active_since_seconds = int(options["since_days"]) * 24 * 60 * 60 dif = Timestamp.now().as_secs() - not_active_since_seconds not_active_since = Timestamp.from_secs(dif) def scanList(users, instance, i, st, notactivesince): from nostr_sdk import Filter keys = Keys.from_sk_str(self.dvm_config.PRIVATE_KEY) opts = Options().wait_for_send(True).send_timeout( timedelta(seconds=10)).skip_disconnected_relays(False) cli = Client.with_opts(keys, opts) for relay in self.dvm_config.RELAY_LIST: cli.add_relay(relay) cli.connect() filters = [] for i in range(i + st): filter1 = Filter().author(PublicKey.from_hex(users[i])).since(notactivesince).limit(1) filters.append(filter1) event_from_authors = cli.get_events_of(filters, timedelta(seconds=10)) for author in event_from_authors: instance.dic[author.pubkey().to_hex()] = "True" print(str(i) + "/" + str(len(users))) cli.disconnect() threads = [] begin = 0 # Spawn some threads to speed things up while begin < len(followings) - step: args = [followings, ns, begin, step, not_active_since] t = Thread(target=scanList, args=args) threads.append(t) begin = begin + step # last to step size missing_scans = (len(followings) - begin) args = [followings, ns, begin, missing_scans, not_active_since] t = Thread(target=scanList, args=args) threads.append(t) # Start all threads for x in threads: x.start() # Wait for all of them to finish for x in threads: x.join() result = {k for (k, v) in ns.dic.items() if v == "False"} if len(result) == 0: print("Not found") return "No inactive followers found on relays." print("Inactive accounts found: " + str(len(result))) for k in result: p_tag = Tag.parse(["p", k]) result_list.append(p_tag.as_vec()) return json.dumps(result_list) def post_process(self, result, event): """Overwrite the interface function to return a social client readable format, if requested""" for tag in event.tags(): if tag.as_vec()[0] == 'output': format = tag.as_vec()[1] if format == "text/plain": # check for output type result = post_process_list_to_users(result) # if not text/plain, don't post-process return result # We build an example here that we can call by either calling this file directly from the main directory, # or by adding it to our playground. You can call the example and adjust it to your needs or redefine it in the # playground or elsewhere def build_example(name, identifier, admin_config): dvm_config = DVMConfig() dvm_config.PRIVATE_KEY = check_and_set_private_key(identifier) dvm_config.LNBITS_INVOICE_KEY = os.getenv("LNBITS_INVOICE_KEY") dvm_config.LNBITS_URL = os.getenv("LNBITS_HOST") # Add NIP89 nip90params = { "user": { "required": False, "values": [], "description": "Do the task for another user" }, "since_days": { "required": False, "values": [], "description": "The number of days a user has not been active to be considered inactive" } } nip89info = { "name": name, "image": "https://image.nostr.build/c33ca6fc4cc038ca4adb46fdfdfda34951656f87ee364ef59095bae1495ce669.jpg", "about": "I discover users you follow, but that have been inactive on Nostr", "nip90Params": nip90params } nip89config = NIP89Config() nip89config.DTAG = nip89config.DTAG = check_and_set_d_tag(identifier, name, dvm_config.PRIVATE_KEY, nip89info["image"]) nip89config.CONTENT = json.dumps(nip89info) return DiscoverInactiveFollows(name=name, dvm_config=dvm_config, nip89config=nip89config, admin_config=admin_config) if __name__ == '__main__': env_path = Path('.env') if env_path.is_file(): print(f'loading environment from {env_path.resolve()}') dotenv.load_dotenv(env_path, verbose=True, override=True) else: raise FileNotFoundError(f'.env file not found at {env_path} ') admin_config = AdminConfig() admin_config.REBROADCAST_NIP89 = False admin_config.UPDATE_PROFILE = False admin_config.LUD16 = "" dvm = build_example("Bygones", "discovery_inactive_follows", admin_config) dvm.run() keep_alive()