import json import os from pathlib import Path import dotenv from nostr_sdk import Tag, Keys from nostr_dvm.interfaces.dvmtaskinterface import DVMTaskInterface from nostr_dvm.utils.admin_utils import AdminConfig from nostr_dvm.utils.backend_utils import keep_alive from nostr_dvm.utils.definitions import EventDefinitions from nostr_dvm.utils.dvmconfig import DVMConfig from nostr_dvm.utils.nip89_utils import NIP89Config, check_and_set_d_tag from nostr_dvm.utils.nostr_utils import check_and_set_private_key from nostr_dvm.utils.output_utils import post_process_list_to_events from nostr_dvm.utils.zap_utils import check_and_set_ln_bits_keys """ This File contains a Module to search for notes Accepted Inputs: a search query Outputs: A list of events Params: None """ class TrendingNotesNostrBand(DVMTaskInterface): KIND: int = EventDefinitions.KIND_NIP90_CONTENT_DISCOVERY TASK: str = "trending-content" FIX_COST: float = 0 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): for tag in tags: if tag.as_vec()[0] == 'i': input_value = tag.as_vec()[1] input_type = tag.as_vec()[2] if input_type != "text": return False return True def create_request_from_nostr_event(self, event, client=None, dvm_config=None): self.dvm_config = dvm_config print(self.dvm_config.PRIVATE_KEY) request_form = {"jobID": event.id().to_hex()} for tag in event.tags(): if tag.as_vec()[0] == 'i': input_type = tag.as_vec()[2] options = { } request_form['options'] = json.dumps(options) return request_form def process(self, request_form): options = DVMTaskInterface.set_options(request_form) import requests url = "https://api.nostr.band/v0/trending/notes" try: response = requests.get(url) response_json = response.json() result_list = [] i = 0 if len(response_json["notes"]) > 0: for note in response_json["notes"]: i += 1 if i < 20: e_tag = Tag.parse(["e", note["id"]]) print(e_tag.as_vec()) result_list.append(e_tag.as_vec()) else: break return json.dumps(result_list) except: return "error" 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_events(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) npub = Keys.from_sk_str(dvm_config.PRIVATE_KEY).public_key().to_bech32() invoice_key, admin_key, wallet_id, user_id, lnaddress = check_and_set_ln_bits_keys(identifier, npub) dvm_config.LNBITS_INVOICE_KEY = invoice_key dvm_config.LNBITS_ADMIN_KEY = admin_key # The dvm might pay failed jobs back dvm_config.LNBITS_URL = os.getenv("LNBITS_HOST") admin_config.LUD16 = lnaddress # Add NIP89 nip90params = { } nip89info = { "name": name, "image": "https://image.nostr.build/c33ca6fc4cc038ca4adb46fdfdfda34951656f87ee364ef59095bae1495ce669.jpg", "about": "I show trending notes from nostr.band", "encryptionSupported": True, "cashuAccepted": True, "nip90Params": nip90params } nip89config = NIP89Config() nip89config.DTAG = check_and_set_d_tag(identifier, name, dvm_config.PRIVATE_KEY, nip89info["image"]) nip89config.CONTENT = json.dumps(nip89info) return TrendingNotesNostrBand(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 dvm = build_example("Trending Notes on Nostr.band", "trending_notes_nostrband", admin_config) dvm.run() keep_alive()