mirror of
https://github.com/believethehype/nostrdvm.git
synced 2025-03-18 13:51:55 +01:00
576 lines
32 KiB
Python
576 lines
32 KiB
Python
import json
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import os
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import signal
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import time
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from datetime import timedelta
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from nostr_sdk import (Keys, Client, Timestamp, Filter, nip04_decrypt, HandleNotification, EventBuilder, PublicKey,
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Options, Tag, Event, nip04_encrypt)
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from nostr_dvm.utils.admin_utils import admin_make_database_updates
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from nostr_dvm.utils.database_utils import get_or_add_user, update_user_balance, create_sql_table, update_sql_table
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from nostr_dvm.utils.definitions import EventDefinitions
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from nostr_dvm.utils.nip89_utils import nip89_fetch_events_pubkey, NIP89Config
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from nostr_dvm.utils.nostr_utils import send_event
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from nostr_dvm.utils.output_utils import PostProcessFunctionType, post_process_list_to_users, post_process_list_to_events
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from nostr_dvm.utils.zap_utils import parse_zap_event_tags, pay_bolt11_ln_bits, zap
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from nostr_dvm.utils.cashu_utils import redeem_cashu
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class Bot:
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job_list: list
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# This is a simple list just to keep track which events we created and manage, so we don't pay for other requests
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def __init__(self, dvm_config, admin_config=None):
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self.NAME = "Bot"
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dvm_config.DB = "db/" + self.NAME + ".db"
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self.dvm_config = dvm_config
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nip89config = NIP89Config()
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nip89config.NAME = self.NAME
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self.dvm_config.NIP89 = nip89config
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self.admin_config = admin_config
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self.keys = Keys.from_sk_str(dvm_config.PRIVATE_KEY)
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wait_for_send = True
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skip_disconnected_relays = True
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opts = (Options().wait_for_send(wait_for_send).send_timeout(timedelta(seconds=self.dvm_config.RELAY_TIMEOUT))
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.skip_disconnected_relays(skip_disconnected_relays))
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self.client = Client.with_opts(self.keys, opts)
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pk = self.keys.public_key()
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self.job_list = []
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print("Nostr BOT public key: " + str(pk.to_bech32()) + " Hex: " + str(pk.to_hex()) + " Name: " + self.NAME +
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" Supported DVM tasks: " +
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', '.join(p.NAME + ":" + p.TASK for p in self.dvm_config.SUPPORTED_DVMS) + "\n")
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for relay in self.dvm_config.RELAY_LIST:
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self.client.add_relay(relay)
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self.client.connect()
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zap_filter = Filter().pubkey(pk).kinds([EventDefinitions.KIND_ZAP]).since(Timestamp.now())
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dm_filter = Filter().pubkey(pk).kinds([EventDefinitions.KIND_DM]).since(Timestamp.now())
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kinds = [EventDefinitions.KIND_NIP90_GENERIC, EventDefinitions.KIND_FEEDBACK]
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for dvm in self.dvm_config.SUPPORTED_DVMS:
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if dvm.KIND not in kinds:
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kinds.append(dvm.KIND + 1000)
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dvm_filter = (Filter().kinds(kinds).since(Timestamp.now()))
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self.client.subscribe([zap_filter, dm_filter, dvm_filter])
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create_sql_table(self.dvm_config.DB)
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admin_make_database_updates(adminconfig=self.admin_config, dvmconfig=self.dvm_config, client=self.client)
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class NotificationHandler(HandleNotification):
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client = self.client
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dvm_config = self.dvm_config
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keys = self.keys
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def handle(self, relay_url, nostr_event):
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if (EventDefinitions.KIND_NIP90_EXTRACT_TEXT + 1000 <= nostr_event.kind()
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<= EventDefinitions.KIND_NIP90_GENERIC + 1000):
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handle_nip90_response_event(nostr_event)
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elif nostr_event.kind() == EventDefinitions.KIND_FEEDBACK:
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handle_nip90_feedback(nostr_event)
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elif nostr_event.kind() == EventDefinitions.KIND_DM:
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handle_dm(nostr_event)
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elif nostr_event.kind() == EventDefinitions.KIND_ZAP:
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handle_zap(nostr_event)
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def handle_msg(self, relay_url, msg):
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return
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def handle_dm(nostr_event):
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sender = nostr_event.pubkey().to_hex()
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try:
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decrypted_text = nip04_decrypt(self.keys.secret_key(), nostr_event.pubkey(), nostr_event.content())
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user = get_or_add_user(db=self.dvm_config.DB, npub=sender, client=self.client, config=self.dvm_config)
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print("[" + self.NAME + "] Message from " + user.name + ": " + decrypted_text)
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# if user selects an index from the overview list...
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if decrypted_text[0].isdigit():
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split = decrypted_text.split(' ')
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index = int(split[0]) - 1
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# if user sends index info, e.g. 1 info, we fetch the nip89 information and reply with it.
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if len(split) > 1 and split[1].lower() == "info":
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answer_nip89(nostr_event, index)
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# otherwise we probably have to do some work, so build an event from input and send it to the DVM
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else:
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task = self.dvm_config.SUPPORTED_DVMS[index].TASK
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print("[" + self.NAME + "] Request from " + str(user.name) + " (" + str(user.nip05) +
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", Balance: " + str(user.balance) + " Sats) Task: " + str(task))
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if user.isblacklisted:
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# If users are blacklisted for some reason, tell them.
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answer_blacklisted(nostr_event)
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else:
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# Parse inputs to params
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tags = build_params(decrypted_text, nostr_event, index)
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p_tag = Tag.parse(['p', self.dvm_config.SUPPORTED_DVMS[index].PUBLIC_KEY])
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if self.dvm_config.SUPPORTED_DVMS[index].SUPPORTS_ENCRYPTION:
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tags_str = []
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for tag in tags:
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tags_str.append(tag.as_vec())
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params_as_str = json.dumps(tags_str)
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print(params_as_str)
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# and encrypt them
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encrypted_params = nip04_encrypt(self.keys.secret_key(),
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PublicKey.from_hex(
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self.dvm_config.SUPPORTED_DVMS[index].PUBLIC_KEY),
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params_as_str)
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# add encrypted and p tag on the outside
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encrypted_tag = Tag.parse(['encrypted'])
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# add the encrypted params to the content
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nip90request = (EventBuilder(self.dvm_config.SUPPORTED_DVMS[index].KIND,
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encrypted_params, [p_tag, encrypted_tag]).
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to_event(self.keys))
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else:
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tags.append(p_tag)
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nip90request = (EventBuilder(self.dvm_config.SUPPORTED_DVMS[index].KIND,
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"", tags).
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to_event(self.keys))
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# remember in the job_list that we have made an event, if anybody asks for payment,
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# we know we actually sent the request
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entry = {"npub": user.npub, "event_id": nip90request.id().to_hex(),
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"dvm_key": self.dvm_config.SUPPORTED_DVMS[index].PUBLIC_KEY, "is_paid": False}
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self.job_list.append(entry)
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# send the event to the DVM
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send_event(nip90request, client=self.client, dvm_config=self.dvm_config)
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# print(nip90request.as_json())
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elif decrypted_text.lower().startswith("balance"):
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time.sleep(3.0)
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evt = EventBuilder.new_encrypted_direct_msg(self.keys, nostr_event.pubkey(),
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"Your current balance is " + str(
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user.balance) + " Sats. Zap me to add to your balance. I will use your balance interact with the DVMs for you.\n"
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"I support both public and private Zaps, as well as Zapplepay.\n"
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"Alternativly you can add a #cashu token with \"-cashu cashuASomeToken\" to your command.\n Make sure the token is worth the requested amount + "
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"mint fees (at least 3 sat).\n Not all DVMs might accept Cashu tokens."
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, None).to_event(self.keys)
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send_event(evt, client=self.client, dvm_config=dvm_config)
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elif decrypted_text.startswith("cashuA"):
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print("Received Cashu token:" + decrypted_text)
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cashu_redeemed, cashu_message, total_amount, fees = redeem_cashu(decrypted_text, self.dvm_config,
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self.client)
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print(cashu_message)
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if cashu_message == "success":
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update_user_balance(self.dvm_config.DB, sender, total_amount, client=self.client,
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config=self.dvm_config)
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else:
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time.sleep(2.0)
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message = "Error: " + cashu_message + ". Token has not been redeemed."
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evt = EventBuilder.new_encrypted_direct_msg(self.keys, PublicKey.from_hex(sender), message,
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None).to_event(self.keys)
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send_event(evt, client=self.client, dvm_config=self.dvm_config)
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elif decrypted_text.lower().startswith("what's the second best"):
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time.sleep(3.0)
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evt = EventBuilder.new_encrypted_direct_msg(self.keys, nostr_event.pubkey(),
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"No, there is no second best.\n\nhttps://cdn.nostr.build/p/mYLv.mp4",
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nostr_event.id()).to_event(self.keys)
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send_event(evt, client=self.client, dvm_config=self.dvm_config)
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else:
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# Build an overview of known DVMs and send it to the user
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answer_overview(nostr_event)
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except Exception as e:
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print("Error in bot " + str(e))
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def handle_nip90_feedback(nostr_event):
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print(nostr_event.as_json())
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try:
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is_encrypted = False
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status = ""
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etag = ""
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ptag = ""
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content = nostr_event.content()
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for tag in nostr_event.tags():
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if tag.as_vec()[0] == "status":
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status = tag.as_vec()[1]
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if len(tag.as_vec()) > 2:
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content = tag.as_vec()[2]
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elif tag.as_vec()[0] == "e":
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etag = tag.as_vec()[1]
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elif tag.as_vec()[0] == "p":
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ptag = tag.as_vec()[1]
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elif tag.as_vec()[0] == "encrypted":
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is_encrypted = True
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if is_encrypted:
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if ptag == self.keys.public_key().to_hex():
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tags_str = nip04_decrypt(Keys.from_sk_str(dvm_config.PRIVATE_KEY).secret_key(),
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nostr_event.pubkey(), nostr_event.content())
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params = json.loads(tags_str)
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params.append(Tag.parse(["p", ptag]).as_vec())
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params.append(Tag.parse(["encrypted"]).as_vec())
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event_as_json = json.loads(nostr_event.as_json())
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event_as_json['tags'] = params
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event_as_json['content'] = ""
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nostr_event = Event.from_json(json.dumps(event_as_json))
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for tag in nostr_event.tags():
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if tag.as_vec()[0] == "status":
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status = tag.as_vec()[1]
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if len(tag.as_vec()) > 2:
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content = tag.as_vec()[2]
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elif tag.as_vec()[0] == "e":
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etag = tag.as_vec()[1]
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elif tag.as_vec()[0] == "content":
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content = tag.as_vec()[1]
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else:
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return
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if status == "success" or status == "error" or status == "processing" or status == "partial" and content != "":
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entry = next((x for x in self.job_list if x['event_id'] == etag), None)
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if entry is not None and entry['dvm_key'] == nostr_event.pubkey().to_hex():
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user = get_or_add_user(db=self.dvm_config.DB, npub=entry['npub'],
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client=self.client, config=self.dvm_config)
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time.sleep(2.0)
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reply_event = EventBuilder.new_encrypted_direct_msg(self.keys,
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PublicKey.from_hex(user.npub),
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content,
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None).to_event(self.keys)
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print(status + ": " + content)
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print(
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"[" + self.NAME + "] Received reaction from " + nostr_event.pubkey().to_hex() + " message to orignal sender " + user.name)
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send_event(reply_event, client=self.client, dvm_config=dvm_config)
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elif status == "payment-required" or status == "partial":
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for tag in nostr_event.tags():
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if tag.as_vec()[0] == "amount":
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amount_msats = int(tag.as_vec()[1])
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amount = int(amount_msats / 1000)
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entry = next((x for x in self.job_list if x['event_id'] == etag), None)
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if entry is not None and entry['is_paid'] is False and entry[
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'dvm_key'] == nostr_event.pubkey().to_hex():
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# if we get a bolt11, we pay and move on
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user = get_or_add_user(db=self.dvm_config.DB, npub=entry["npub"],
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client=self.client, config=self.dvm_config)
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if user.balance >= amount:
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balance = max(user.balance - amount, 0)
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update_sql_table(db=self.dvm_config.DB, npub=user.npub, balance=balance,
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iswhitelisted=user.iswhitelisted, isblacklisted=user.isblacklisted,
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nip05=user.nip05, lud16=user.lud16, name=user.name,
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lastactive=Timestamp.now().as_secs())
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evt = EventBuilder.new_encrypted_direct_msg(self.keys,
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PublicKey.from_hex(entry["npub"]),
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"Paid " + str(
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amount) + " Sats from balance to DVM. New balance is " +
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str(balance)
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+ " Sats.\n",
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None).to_event(self.keys)
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print(
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"[" + self.NAME + "] Replying " + user.name + " with \"scheduled\" confirmation")
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send_event(evt, client=self.client, dvm_config=dvm_config)
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else:
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print("Bot payment-required")
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time.sleep(2.0)
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evt = EventBuilder.new_encrypted_direct_msg(self.keys,
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PublicKey.from_hex(entry["npub"]),
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"Current balance: " + str(
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user.balance) + " Sats. Balance of " + str(
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amount) + " Sats required. Please zap me with at least " +
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str(int(amount - user.balance))
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+ " Sats, then try again.",
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None).to_event(self.keys)
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send_event(evt, client=self.client, dvm_config=dvm_config)
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return
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if len(tag.as_vec()) > 2:
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bolt11 = tag.as_vec()[2]
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# else we create a zap
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else:
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user = get_or_add_user(db=self.dvm_config.DB, npub=nostr_event.pubkey().to_hex(),
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client=self.client, config=self.dvm_config)
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print("Paying: " + user.name)
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bolt11 = zap(user.lud16, amount, "Zap", nostr_event, self.keys, self.dvm_config,
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"private")
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if bolt11 == None:
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print("Receiver has no Lightning address")
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return
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try:
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print(bolt11)
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payment_hash = pay_bolt11_ln_bits(bolt11, self.dvm_config)
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self.job_list[self.job_list.index(entry)]['is_paid'] = True
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print("[" + self.NAME + "] payment_hash: " + payment_hash +
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" Forwarding payment of " + str(amount) + " Sats to DVM")
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except Exception as e:
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print(e)
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except Exception as e:
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print(e)
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def handle_nip90_response_event(nostr_event: Event):
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try:
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ptag = ""
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etag = ""
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is_encrypted = False
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for tag in nostr_event.tags():
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if tag.as_vec()[0] == "e":
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etag = tag.as_vec()[1]
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elif tag.as_vec()[0] == "p":
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ptag = tag.as_vec()[1]
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elif tag.as_vec()[0] == "encrypted":
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is_encrypted = True
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entry = next((x for x in self.job_list if x['event_id'] == etag), None)
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if entry is not None and entry[
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'dvm_key'] == nostr_event.pubkey().to_hex():
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print(entry)
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user = get_or_add_user(db=self.dvm_config.DB, npub=entry['npub'],
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client=self.client, config=self.dvm_config)
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self.job_list.remove(entry)
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content = nostr_event.content()
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if is_encrypted:
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if ptag == self.keys.public_key().to_hex():
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content = nip04_decrypt(self.keys.secret_key(), nostr_event.pubkey(), content)
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else:
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return
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dvms = [x for x in self.dvm_config.SUPPORTED_DVMS if
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x.PUBLIC_KEY == nostr_event.pubkey().to_hex() and x.KIND == nostr_event.kind() - 1000]
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if len(dvms) > 0:
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dvm = dvms[0]
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if dvm.dvm_config.EXTERNAL_POST_PROCESS_TYPE != PostProcessFunctionType.NONE:
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if dvm.dvm_config.EXTERNAL_POST_PROCESS_TYPE == PostProcessFunctionType.LIST_TO_EVENTS:
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content = post_process_list_to_events(content)
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elif dvm.dvm_config.EXTERNAL_POST_PROCESS_TYPE == PostProcessFunctionType.LIST_TO_USERS:
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content = post_process_list_to_users(content)
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print("[" + self.NAME + "] Received results, message to orignal sender " + user.name)
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time.sleep(1.0)
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reply_event = EventBuilder.new_encrypted_direct_msg(self.keys,
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PublicKey.from_hex(user.npub),
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content,
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None).to_event(self.keys)
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send_event(reply_event, client=self.client, dvm_config=dvm_config)
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except Exception as e:
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print(e)
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def handle_zap(zap_event):
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print("[" + self.NAME + "] Zap received")
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try:
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invoice_amount, zapped_event, sender, message, anon = parse_zap_event_tags(zap_event,
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self.keys, self.NAME,
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self.client, self.dvm_config)
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etag = ""
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for tag in zap_event.tags():
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if tag.as_vec()[0] == "e":
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etag = tag.as_vec()[1]
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user = get_or_add_user(self.dvm_config.DB, sender, client=self.client, config=self.dvm_config)
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entry = next((x for x in self.job_list if x['event_id'] == etag), None)
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print(entry)
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# print(entry['dvm_key'])
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# print(str(zapped_event.pubkey().to_hex()))
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# print(str(zap_event.pubkey().to_hex()))
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print(sender)
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if entry is not None and entry['is_paid'] is True and entry['dvm_key'] == sender:
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# if we get a bolt11, we pay and move on
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user = get_or_add_user(db=self.dvm_config.DB, npub=entry["npub"],
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client=self.client, config=self.dvm_config)
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sender = user.npub
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if zapped_event is not None:
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if not anon:
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print("[" + self.NAME + "] Note Zap received for Bot balance: " + str(
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invoice_amount) + " Sats from " + str(
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user.name))
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update_user_balance(self.dvm_config.DB, sender, invoice_amount, client=self.client,
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config=self.dvm_config)
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# a regular note
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elif not anon:
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print("[" + self.NAME + "] Profile Zap received for Bot balance: " + str(
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invoice_amount) + " Sats from " + str(
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user.name))
|
|
update_user_balance(self.dvm_config.DB, sender, invoice_amount, client=self.client,
|
|
config=self.dvm_config)
|
|
|
|
except Exception as e:
|
|
print("[" + self.NAME + "] Error during content decryption:" + str(e))
|
|
|
|
def answer_overview(nostr_event):
|
|
message = "DVMs that I support:\n\n"
|
|
index = 1
|
|
for p in self.dvm_config.SUPPORTED_DVMS:
|
|
if p.PER_UNIT_COST != 0 and p.PER_UNIT_COST is not None:
|
|
message += (str(index) + " " + p.NAME + " " + p.TASK + " " + str(p.FIX_COST) +
|
|
" Sats + " + str(p.PER_UNIT_COST) + " Sats per Second\n")
|
|
else:
|
|
message += (str(index) + " " + p.NAME + " " + p.TASK + " " + str(p.FIX_COST) +
|
|
" Sats\n")
|
|
index += 1
|
|
|
|
time.sleep(3.0)
|
|
evt = EventBuilder.new_encrypted_direct_msg(self.keys, nostr_event.pubkey(),
|
|
message + "\nSelect an Index and provide an input ("
|
|
"e.g. \"2 A purple ostrich\")\nType \"index info\" to learn "
|
|
"more about each DVM. (e.g. \"2 info\")\n\n"
|
|
"Type \"balance\" to see your current balance",
|
|
nostr_event.id()).to_event(self.keys)
|
|
|
|
send_event(evt, client=self.client, dvm_config=dvm_config)
|
|
|
|
def answer_blacklisted(nostr_event):
|
|
# For some reason an admin might blacklist npubs, e.g. for abusing the service
|
|
evt = EventBuilder.new_encrypted_direct_msg(self.keys, nostr_event.pubkey(),
|
|
"Your are currently blocked from all "
|
|
"services.", None).to_event(self.keys)
|
|
send_event(evt, client=self.client, dvm_config=dvm_config)
|
|
|
|
def answer_nip89(nostr_event, index):
|
|
info = print_dvm_info(self.client, index)
|
|
time.sleep(2.0)
|
|
if info is not None:
|
|
evt = EventBuilder.new_encrypted_direct_msg(self.keys, nostr_event.pubkey(),
|
|
info, None).to_event(self.keys)
|
|
else:
|
|
evt = EventBuilder.new_encrypted_direct_msg(self.keys, nostr_event.pubkey(),
|
|
"No NIP89 Info found for " +
|
|
self.dvm_config.SUPPORTED_DVMS[index].NAME,
|
|
None).to_event(self.keys)
|
|
|
|
send_event(evt, client=self.client, dvm_config=dvm_config)
|
|
|
|
def build_params(decrypted_text, nostr_event, index):
|
|
tags = []
|
|
split = decrypted_text.split(' ')
|
|
|
|
# If only a command without parameters is sent, we assume no input is required, and that means the dvm might take in the user as input (e.g. for content discovery)
|
|
if len(split) == 1:
|
|
tag = Tag.parse(["param", "user", nostr_event.pubkey().to_hex()])
|
|
tags.append(tag)
|
|
output = Tag.parse(["output", "text/plain"])
|
|
tags.append(output)
|
|
relay_list = ["relays"]
|
|
for relay in self.dvm_config.RELAY_LIST:
|
|
relay_list.append(relay)
|
|
relays = Tag.parse(relay_list)
|
|
tags.append(relays)
|
|
return tags
|
|
|
|
tags = []
|
|
command = decrypted_text.replace(split[0] + " ", "")
|
|
split = command.split(" -")
|
|
input = split[0].rstrip()
|
|
if input.startswith("http"):
|
|
temp = input.split(" ")
|
|
if len(temp) > 1:
|
|
input_type = "url"
|
|
i_tag1 = Tag.parse(["i", temp[0], input_type])
|
|
tags.append(i_tag1)
|
|
input_type = "text"
|
|
i_tag2 = Tag.parse(["i", input.replace(temp[0], "").lstrip(), input_type])
|
|
tags.append(i_tag2)
|
|
else:
|
|
input_type = "url"
|
|
i_tag = Tag.parse(["i", input, input_type])
|
|
tags.append(i_tag)
|
|
else:
|
|
print(input)
|
|
input_type = "text"
|
|
i_tag = Tag.parse(["i", input, input_type])
|
|
tags.append(i_tag)
|
|
|
|
alt_tag = Tag.parse(["alt", self.dvm_config.SUPPORTED_DVMS[index].TASK])
|
|
tags.append(alt_tag)
|
|
relaylist = ["relays"]
|
|
for relay in self.dvm_config.RELAY_LIST:
|
|
relaylist.append(relay)
|
|
relays_tag = Tag.parse(relaylist)
|
|
tags.append(relays_tag)
|
|
output_tag = Tag.parse(["output", "text/plain"])
|
|
tags.append(output_tag)
|
|
remaining_text = command.replace(input, "")
|
|
print(remaining_text)
|
|
|
|
params = remaining_text.rstrip().split(" -")
|
|
|
|
for i in params:
|
|
print(i)
|
|
if i != " ":
|
|
try:
|
|
split = i.split(" ")
|
|
if len(split) > 1:
|
|
param = str(split[0])
|
|
print(str(param))
|
|
value = str(split[1])
|
|
print(str(value))
|
|
if param == "cashu":
|
|
tag = Tag.parse([param, value])
|
|
else:
|
|
if param == "user":
|
|
if value.startswith("@") or value.startswith("nostr:") or value.startswith("npub"):
|
|
value = PublicKey.from_bech32(
|
|
value.replace("@", "").replace("nostr:", "")).to_hex()
|
|
tag = Tag.parse(["param", param, value])
|
|
tags.append(tag)
|
|
print("Added params: " + str(tag.as_vec()))
|
|
except Exception as e:
|
|
print(e)
|
|
print("Couldn't add " + str(i))
|
|
|
|
return tags
|
|
|
|
def print_dvm_info(client, index):
|
|
pubkey = self.dvm_config.SUPPORTED_DVMS[index].dvm_config.PUBLIC_KEY
|
|
kind = self.dvm_config.SUPPORTED_DVMS[index].KIND
|
|
nip89content_str = nip89_fetch_events_pubkey(client, pubkey, kind)
|
|
print(nip89content_str)
|
|
if nip89content_str is not None:
|
|
nip89content = json.loads(nip89content_str)
|
|
info = ""
|
|
cashu_accepted = False
|
|
encryption_supported = False
|
|
|
|
if nip89content.get("name"):
|
|
info += "Name: " + nip89content.get("name") + "\n"
|
|
if nip89content.get("image"):
|
|
info += nip89content.get("image") + "\n"
|
|
if nip89content.get("about"):
|
|
info += "About:\n" + nip89content.get("about") + "\n\n"
|
|
if nip89content.get("cashuAccepted"):
|
|
cashu_accepted = str(nip89content.get("cashuAccepted"))
|
|
if nip89content.get("encryptionSupported"):
|
|
encryption_supported = str(nip89content.get("encryptionSupported"))
|
|
|
|
info += "Encryption supported: " + str(encryption_supported) + "\n"
|
|
info += "Cashu accepted: " + str(cashu_accepted) + "\n\n"
|
|
if nip89content.get("nip90Params"):
|
|
params = nip89content["nip90Params"]
|
|
info += "\nParameters:\n"
|
|
for param in params:
|
|
info += "-" + param + '\n'
|
|
info += "Required: " + str(params[param]['required']) + '\n'
|
|
info += "Possible Values: " + json.dumps(params[param]['values']) + '\n\n'
|
|
return info
|
|
|
|
return None
|
|
|
|
self.client.handle_notifications(NotificationHandler())
|
|
|
|
try:
|
|
while True:
|
|
time.sleep(1.0)
|
|
except KeyboardInterrupt:
|
|
print('Stay weird!')
|
|
os.kill(os.getpid(), signal.SIGTERM)
|