nostrdvm/nostr_dvm/utils/nip89_utils.py
2024-08-20 18:40:46 +02:00

138 lines
5.0 KiB
Python

import os
from datetime import timedelta
from hashlib import sha256
from pathlib import Path
import dotenv
from nostr_sdk import Tag, Keys, EventBuilder, Filter, Alphabet, PublicKey, Client, EventId, SingleLetterTag, Kind
from nostr_dvm.utils.definitions import EventDefinitions
from nostr_dvm.utils.nostr_utils import send_event
from nostr_dvm.utils.print import bcolors
class NIP89Config:
DTAG: str = ""
NAME: str = ""
KIND: int = None
PK: str = ""
CONTENT: str = ""
def nip89_create_d_tag(name, pubkey, image):
key_str = str(name + image + pubkey)
d_tag = sha256(key_str.encode('utf-8')).hexdigest()[:16]
return d_tag
async def nip89_announce_tasks(dvm_config, client):
k_tag = Tag.parse(["k", str(dvm_config.NIP89.KIND.as_u64())])
d_tag = Tag.parse(["d", dvm_config.NIP89.DTAG])
keys = Keys.parse(dvm_config.NIP89.PK)
content = dvm_config.NIP89.CONTENT
event = EventBuilder(EventDefinitions.KIND_ANNOUNCEMENT, content, [k_tag, d_tag]).to_event(keys)
eventid = await send_event(event, client=client, dvm_config=dvm_config)
print(bcolors.BLUE + "[" + dvm_config.NIP89.NAME + "] Announced NIP 89 for " + dvm_config.NIP89.NAME +" (" + eventid.id.to_hex() +")" + bcolors.ENDC)
async def fetch_nip89_parameters_for_deletion(keys, eventid, client, dvmconfig, pow=False):
idfilter = Filter().id(EventId.from_hex(eventid)).limit(1)
nip89events = await client.get_events_of([idfilter], timedelta(seconds=dvmconfig.RELAY_TIMEOUT))
d_tag = ""
if len(nip89events) == 0:
print("Event not found. Potentially gone.")
for event in nip89events:
print(event.as_json())
for tag in event.tags():
if tag.as_vec()[0] == "d":
d_tag = tag.as_vec()[1]
if d_tag == "":
print("No dtag found")
return
if event.author().to_hex() == keys.public_key().to_hex():
await nip89_delete_announcement(event.id().to_hex(), keys, d_tag, client, dvmconfig)
if pow:
await nip89_delete_announcement_pow(event.id().to_hex(), keys, d_tag, client, dvmconfig)
print("NIP89 announcement deleted from known relays!")
else:
print("Privatekey does not belong to event")
async def nip89_delete_announcement(eid: str, keys: Keys, dtag: str, client: Client, config):
e_tag = Tag.parse(["e", eid])
a_tag = Tag.parse(
["a", str(EventDefinitions.KIND_ANNOUNCEMENT.as_u64()) + ":" + keys.public_key().to_hex() + ":" + dtag])
event = EventBuilder(Kind(5), "", [e_tag, a_tag]).to_event(keys)
print(f"POW event: {event.as_json()}")
await send_event(event, client, config)
async def nip89_delete_announcement_pow(eid: str, keys: Keys, dtag: str, client: Client, config):
e_tag = Tag.parse(["e", eid])
a_tag = Tag.parse(
["a", str(EventDefinitions.KIND_ANNOUNCEMENT.as_u64()) + ":" + keys.public_key().to_hex() + ":" + dtag])
event = EventBuilder(Kind(5), "", [e_tag, a_tag]).to_pow_event(keys, 28)
print(f"POW event: {event.as_json()}")
await send_event(event, client, config)
async def nip89_fetch_all_dvms(client):
ktags = []
for i in range(5000, 5999):
ktags.append(str(i))
filter = Filter().kind(EventDefinitions.KIND_ANNOUNCEMENT).custom_tag(SingleLetterTag.lowercase(Alphabet.K), ktags)
events = await client.get_events_of([filter], timedelta(seconds=5))
for event in events:
print(event.as_json())
async def nip89_fetch_events_pubkey(client, pubkey, kind):
ktags = [str(kind.as_u64())]
nip89filter = (Filter().kind(EventDefinitions.KIND_ANNOUNCEMENT).author(PublicKey.parse(pubkey)).
custom_tag(SingleLetterTag.lowercase(Alphabet.K), ktags))
events = await client.get_events_of([nip89filter], timedelta(seconds=4))
dvms = {}
for event in events:
if dvms.get(event.author().to_hex()):
if dvms.get(event.author().to_hex()).created_at().as_secs() < event.created_at().as_secs():
dvms[event.author().to_hex()] = event
else:
dvms[event.author().to_hex()] = event
# should be one element of the kind now
for dvm in dvms:
return dvms[dvm].content()
def check_and_set_d_tag(identifier, name, pk, imageurl):
if not os.getenv("NIP89_DTAG_" + identifier.upper()):
new_dtag = nip89_create_d_tag(name, Keys.parse(pk).public_key().to_hex(),
imageurl)
nip89_add_dtag_to_env_file("NIP89_DTAG_" + identifier.upper(), new_dtag)
print("Some new dtag:" + new_dtag)
return new_dtag
else:
return os.getenv("NIP89_DTAG_" + identifier.upper())
def nip89_add_dtag_to_env_file(dtag, oskey):
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)
dotenv.set_key(env_path, dtag, oskey)
def create_amount_tag(cost=None):
if cost is None:
return "flexible"
elif cost == 0:
return "free"
else:
return str(cost)