nostrdvm/bot.py
Believethehype 36439d3390 cleanup
2023-11-24 22:07:00 +01:00

212 lines
12 KiB
Python

import json
import time
from datetime import timedelta
from threading import Thread
from nostr_sdk import (Keys, Client, Timestamp, Filter, nip04_decrypt, HandleNotification, EventBuilder, PublicKey,
Options)
from utils.admin_utils import admin_make_database_updates
from utils.backend_utils import get_amount_per_task
from utils.database_utils import get_or_add_user, update_user_balance, create_sql_table, update_sql_table, User
from utils.definitions import EventDefinitions
from utils.nostr_utils import send_event
from utils.zap_utils import parse_zap_event_tags
class Bot:
def __init__(self, dvm_config, admin_config=None):
self.NAME = "Bot"
dvm_config.DB = "db/" + self.NAME + ".db"
self.dvm_config = dvm_config
self.admin_config = admin_config
self.keys = Keys.from_sk_str(dvm_config.PRIVATE_KEY)
wait_for_send = True
skip_disconnected_relays = True
opts = (Options().wait_for_send(wait_for_send).send_timeout(timedelta(seconds=self.dvm_config.RELAY_TIMEOUT))
.skip_disconnected_relays(skip_disconnected_relays))
self.client = Client.with_opts(self.keys, opts)
pk = self.keys.public_key()
print("Nostr BOT public key: " + str(pk.to_bech32()) + " Hex: " + str(pk.to_hex()) + " Name: " + self.NAME +
" Supported DVM tasks: " +
', '.join(p.NAME + ":" + p.TASK for p in self.dvm_config.SUPPORTED_DVMS) + "\n")
for relay in self.dvm_config.RELAY_LIST:
self.client.add_relay(relay)
self.client.connect()
zap_filter = Filter().pubkey(pk).kinds([EventDefinitions.KIND_ZAP]).since(Timestamp.now())
dm_filter = Filter().pubkey(pk).kinds([EventDefinitions.KIND_DM]).since(Timestamp.now())
self.client.subscribe([zap_filter, dm_filter])
create_sql_table(self.dvm_config.DB)
admin_make_database_updates(adminconfig=self.admin_config, dvmconfig=self.dvm_config, client=self.client)
class NotificationHandler(HandleNotification):
client = self.client
dvm_config = self.dvm_config
keys = self.keys
def handle(self, relay_url, nostr_event):
if nostr_event.kind() == EventDefinitions.KIND_DM:
handle_dm(nostr_event)
elif nostr_event.kind() == EventDefinitions.KIND_ZAP:
handle_zap(nostr_event)
def handle_msg(self, relay_url, msg):
return
def handle_dm(nostr_event):
sender = nostr_event.pubkey().to_hex()
try:
decrypted_text = nip04_decrypt(self.keys.secret_key(), nostr_event.pubkey(), nostr_event.content())
user = get_or_add_user(db=self.dvm_config.DB, npub=sender, client=self.client, config=self.dvm_config)
# We do a selection of tasks now, maybe change this later, Idk.
if decrypted_text[0].isdigit():
index = int(decrypted_text.split(' ')[0]) - 1
task = self.dvm_config.SUPPORTED_DVMS[index].TASK
print("[" + self.NAME + "] Request from " + str(user.name) + " (" + str(user.nip05) + ", Balance: "
+ str(user.balance) + " Sats) Task: " + str(task))
duration = 1
required_amount = get_amount_per_task(self.dvm_config.SUPPORTED_DVMS[index].TASK,
self.dvm_config, duration)
if user.isblacklisted:
# 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)
elif user.iswhitelisted or user.balance >= required_amount or required_amount == 0:
if not user.iswhitelisted:
balance = max(user.balance - required_amount, 0)
update_sql_table(db=self.dvm_config.DB, npub=user.npub, balance=balance,
iswhitelisted=user.iswhitelisted, isblacklisted=user.isblacklisted,
nip05=user.nip05, lud16=user.lud16, name=user.name,
lastactive=Timestamp.now().as_secs())
time.sleep(2.0)
evt = EventBuilder.new_encrypted_direct_msg(self.keys, nostr_event.pubkey(),
"Your Job is now scheduled. New balance is " +
str(balance)
+ " Sats.\nI will DM you once I'm done "
"processing.",
nostr_event.id()).to_event(self.keys)
else:
time.sleep(2.0)
evt = EventBuilder.new_encrypted_direct_msg(self.keys, nostr_event.pubkey(),
"Your Job is now scheduled. As you are "
"whitelisted, your balance remains at"
+ str(user.balance) + " Sats.\n"
"I will DM you once I'm "
"done processing.",
nostr_event.id()).to_event(self.keys)
print("[" + self.NAME + "] Replying " + user.name + " with \"scheduled\" confirmation")
send_event(evt, client=self.client, dvm_config=dvm_config)
i_tag = decrypted_text.replace(decrypted_text.split(' ')[0] + " ", "")
# TODO more advanced logic, more parsing, params etc, just very basic test functions for now
dvm_keys = Keys.from_sk_str(self.dvm_config.SUPPORTED_DVMS[index].PK)
params = {
"sender": nostr_event.pubkey().to_hex(),
"input": i_tag,
"task": self.dvm_config.SUPPORTED_DVMS[index].TASK
}
message = json.dumps(params)
evt = EventBuilder.new_encrypted_direct_msg(self.keys, dvm_keys.public_key(),
message, None).to_event(self.keys)
print("[" + self.NAME + "] Forwarding task " + self.dvm_config.SUPPORTED_DVMS[index].TASK +
" for user " + user.name + " to " + self.dvm_config.SUPPORTED_DVMS[index].NAME)
send_event(evt, client=self.client, dvm_config=dvm_config)
else:
print("payment-required")
time.sleep(2.0)
evt = EventBuilder.new_encrypted_direct_msg(self.keys, nostr_event.pubkey(),
"Balance required, please zap me with at least " +
str(int(required_amount - user.balance))
+ " Sats, then try again.",
nostr_event.id()).to_event(self.keys)
send_event(evt, client=self.client, dvm_config=dvm_config)
# TODO if we receive the result from one of the dvms, need some better management, maybe check for keys
elif decrypted_text.startswith('{"result":'):
dvm_result = json.loads(decrypted_text)
user_npub_hex = dvm_result["sender"]
user = get_or_add_user(db=self.dvm_config.DB, npub=user_npub_hex,
client=self.client, config=self.dvm_config)
print("[" + self.NAME + "] Received results, message to orignal sender " + user.name)
reply_event = EventBuilder.new_encrypted_direct_msg(self.keys,
PublicKey.from_hex(user.npub),
dvm_result["result"],
None).to_event(self.keys)
send_event(reply_event, client=self.client, dvm_config=dvm_config)
else:
print("[" + self.NAME + "] Message from " + user.name + ": " + decrypted_text)
message = "DVMs that I support:\n\n"
index = 1
for p in self.dvm_config.SUPPORTED_DVMS:
message += str(index) + " " + p.NAME + " " + p.TASK + " " + str(p.COST) + " Sats" + "\n"
index += 1
time.sleep(1.0)
evt = EventBuilder.new_encrypted_direct_msg(self.keys, nostr_event.pubkey(),
message + "\nSelect an Index and provide an input ("
"e.g. 1 A purple ostrich)",
nostr_event.id()).to_event(self.keys)
send_event(evt, client=self.client, dvm_config=dvm_config)
except Exception as e:
print("Error in bot " + str(e))
def handle_zap(zap_event):
print("[" + self.NAME + "] Zap received")
try:
invoice_amount, zapped_event, sender, anon = parse_zap_event_tags(zap_event,
self.keys, self.NAME,
self.client, self.dvm_config)
user = get_or_add_user(self.dvm_config.DB, sender, client=self.client, config=self.dvm_config)
if zapped_event is not None:
if not anon:
print("[" + self.NAME + "] Note Zap received for Bot balance: " + str(
invoice_amount) + " Sats from " + str(
user.name))
update_user_balance(self.dvm_config.DB, sender, invoice_amount, client=self.client,
config=self.dvm_config)
# a regular note
elif not anon:
print("[" + self.NAME + "] Profile Zap received for Bot balance: " + str(
invoice_amount) + " Sats from " + str(
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))
self.client.handle_notifications(NotificationHandler())
while True:
time.sleep(1.0)
def run(self):
bot = Bot
nostr_dvm_thread = Thread(target=bot, args=[self.dvm_config])
nostr_dvm_thread.start()