mirror of
https://github.com/believethehype/nostrdvm.git
synced 2025-03-17 21:31:52 +01:00
245 lines
9.3 KiB
Python
245 lines
9.3 KiB
Python
import json
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import os
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from datetime import timedelta
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from itertools import islice
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from nostr_sdk import Timestamp, Tag, Keys, Options, SecretKey, NostrSigner, NostrDatabase, \
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ClientBuilder, Filter, SyncOptions, SyncDirection, Kind, PublicKey, RelayFilteringMode, RelayLimits
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from nostr_dvm.interfaces.dvmtaskinterface import DVMTaskInterface, process_venv
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from nostr_dvm.utils.admin_utils import AdminConfig
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from nostr_dvm.utils.definitions import EventDefinitions
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from nostr_dvm.utils.dvmconfig import DVMConfig, build_default_config
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from nostr_dvm.utils.nip88_utils import NIP88Config
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from nostr_dvm.utils.nip89_utils import NIP89Config, check_and_set_d_tag
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from nostr_dvm.utils.output_utils import post_process_list_to_users
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from nostr_dvm.utils.wot_utils import build_wot_network
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"""
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This File contains a Module to search for notes
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Accepted Inputs: a search query
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Outputs: A list of events
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Params: None
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"""
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class SearchUser(DVMTaskInterface):
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KIND: Kind = EventDefinitions.KIND_NIP90_USER_SEARCH
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TASK: str = "search-user"
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FIX_COST: float = 0
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dvm_config: DVMConfig
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last_schedule: int = 0
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db_name = "db/nostr_profiles.db"
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wot_counter = 0
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async def init_dvm(self, name, dvm_config: DVMConfig, nip89config: NIP89Config, nip88config: NIP88Config = None,
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admin_config: AdminConfig = None, options=None):
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dvm_config.SCRIPT = os.path.abspath(__file__)
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if self.dvm_config.UPDATE_DATABASE:
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await self.sync_db()
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async def is_input_supported(self, tags, client=None, dvm_config=None):
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for tag in tags:
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if tag.as_vec()[0] == 'i':
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input_value = tag.as_vec()[1]
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input_type = tag.as_vec()[2]
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if input_type != "text":
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return False
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return True
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async def create_request_from_nostr_event(self, event, client=None, dvm_config=None):
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self.dvm_config = dvm_config
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#print(self.dvm_config.PRIVATE_KEY)
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request_form = {"jobID": event.id().to_hex()}
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# default values
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search = ""
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max_results = 100
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for tag in event.tags().to_vec():
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if tag.as_vec()[0] == 'i':
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input_type = tag.as_vec()[2]
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if input_type == "text":
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search = tag.as_vec()[1]
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elif tag.as_vec()[0] == 'param':
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param = tag.as_vec()[1]
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if param == "max_results": # check for param type
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max_results = int(tag.as_vec()[2])
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options = {
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"search": search,
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"max_results": max_results,
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}
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request_form['options'] = json.dumps(options)
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return request_form
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async def process(self, request_form):
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from nostr_sdk import Filter
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options = self.set_options(request_form)
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sk = SecretKey.parse(self.dvm_config.PRIVATE_KEY)
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keys = Keys.parse(sk.to_hex())
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database = NostrDatabase.lmdb(self.db_name)
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cli = ClientBuilder().database(database).signer(NostrSigner.keys(keys)).build()
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for relay in self.dvm_config.SYNC_DB_RELAY_LIST:
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await cli.add_relay(relay)
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# cli.add_relay("wss://atl.purplerelay.com")
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await cli.connect()
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# Negentropy reconciliation
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# Query events from database
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filter1 = Filter().kind(Kind(0))
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events = await cli.database().query(filter1)
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result_list = []
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print("Events: " + str(len(events.to_vec())))
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index = 0
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if len(events.to_vec()) > 0:
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for event in events.to_vec():
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if index < options["max_results"]:
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try:
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searchterm = " " + options["search"].lower() + " "
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if options["search"].lower() in event.content().lower():
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p_tag = Tag.parse(["p", event.author().to_hex()])
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#print(event.as_json())
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result_list.append(p_tag.as_vec())
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index += 1
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except Exception as exp:
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print(str(exp) + " " + event.author().to_hex())
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else:
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break
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await cli.shutdown()
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return json.dumps(result_list)
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async def post_process(self, result, event):
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"""Overwrite the interface function to return a social client readable format, if requested"""
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for tag in event.tags().to_vec():
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if tag.as_vec()[0] == 'output':
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format = tag.as_vec()[1]
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if format == "text/plain": # check for output type
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result = post_process_list_to_users(result)
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# if not text/plain, don't post-process
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return result
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async def schedule(self, dvm_config):
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if dvm_config.SCHEDULE_UPDATES_SECONDS == 0:
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return 0
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else:
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if Timestamp.now().as_secs() >= self.last_schedule + dvm_config.SCHEDULE_UPDATES_SECONDS:
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if self.dvm_config.UPDATE_DATABASE:
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await self.sync_db()
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self.last_schedule = Timestamp.now().as_secs()
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return 1
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async def sync_db(self):
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sk = SecretKey.parse(self.dvm_config.PRIVATE_KEY)
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keys = Keys.parse(sk.to_hex())
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database = NostrDatabase.lmdb(self.db_name)
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relaylimits = RelayLimits.disable()
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opts = (Options().relay_limits(relaylimits))
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if self.dvm_config.WOT_FILTERING:
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opts = opts.filtering_mode(RelayFilteringMode.WHITELIST)
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cli = ClientBuilder().signer(NostrSigner.keys(keys)).database(database).opts(opts).build()
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for relay in self.dvm_config.SYNC_DB_RELAY_LIST:
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await cli.add_relay(relay)
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await cli.connect()
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if self.dvm_config.WOT_FILTERING and self.wot_counter == 0:
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print("Calculating WOT for " + str(self.dvm_config.WOT_BASED_ON_NPUBS))
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filtering = cli.filtering()
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index_map, G = await build_wot_network(self.dvm_config.WOT_BASED_ON_NPUBS,
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depth=self.dvm_config.WOT_DEPTH, max_batch=500,
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max_time_request=10, dvm_config=self.dvm_config)
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# Do we actually need pagerank here?
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# print('computing global pagerank...')
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# tic = time.time()
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# p_G = nx.pagerank(G, tol=1e-12)
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# print("network after pagerank: " + str(len(p_G)))
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wot_keys = []
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for item in islice(G, len(G)):
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key = next((PublicKey.parse(pubkey) for pubkey, id in index_map.items() if id == item),
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None)
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wot_keys.append(key)
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# toc = time.time()
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# print(f'finished in {toc - tic} seconds')
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await filtering.add_public_keys(wot_keys)
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self.wot_counter += 1
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# only calculate wot every 10th call
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if self.wot_counter >= 10:
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self.wot_counter = 0
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filter1 = Filter().kind(Kind(0))
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# filter = Filter().author(keys.public_key())
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print("Syncing Profile Database.. this might take a while..")
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try:
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dbopts = SyncOptions().direction(SyncDirection.DOWN)
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await cli.sync(filter1, dbopts)
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print("Done Syncing Profile Database.")
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except Exception as exp:
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print(str(exp))
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await cli.shutdown()
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# We build an example here that we can call by either calling this file directly from the main directory,
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# or by adding it to our playground. You can call the example and adjust it to your needs or redefine it in the
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# playground or elsewhere
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def build_example(name, identifier, admin_config):
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dvm_config = build_default_config(identifier)
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dvm_config.USE_OWN_VENV = False
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dvm_config.SHOWLOG = True
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dvm_config.SCHEDULE_UPDATES_SECONDS = 600 # Every 10 seconds
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# Add NIP89
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nip89info = {
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"name": name,
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"picture": "https://image.nostr.build/a99ab925084029d9468fef8330ff3d9be2cf67da473b024f2a6d48b5cd77197f.jpg",
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"about": "I search users.",
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"supportsEncryption": True,
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"acceptsNutZaps": False,
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"nip90Params": {
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"users": {
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"required": False,
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"values": [],
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"description": "Search for content from specific users"
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},
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"since": {
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"required": False,
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"values": [],
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"description": "A unix timestamp in the past from where the search should start"
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},
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"until": {
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"required": False,
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"values": [],
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"description": "A unix timestamp that tells until the search should include results"
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},
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"max_results": {
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"required": False,
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"values": [],
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"description": "The number of maximum results to return (default currently 20)"
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}
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}
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}
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nip89config = NIP89Config()
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nip89config.DTAG = check_and_set_d_tag(identifier, name, dvm_config.PRIVATE_KEY, nip89info["picture"])
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nip89config.CONTENT = json.dumps(nip89info)
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return SearchUser(name=name, dvm_config=dvm_config, nip89config=nip89config,
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admin_config=admin_config)
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if __name__ == '__main__':
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process_venv(SearchUser)
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