import json
import os
import signal
import time
from datetime import timedelta
from nostr_sdk import (Keys, Client, Timestamp, Filter, nip04_decrypt, HandleNotification, EventBuilder, PublicKey,
Options, Tag, Event, nip04_encrypt, NostrSigner, EventId, Nip19Event, Kind, KindEnum,
UnsignedEvent, UnwrappedGift)
from nostr_dvm.utils.admin_utils import admin_make_database_updates
from nostr_dvm.utils.database_utils import get_or_add_user, update_user_balance, create_sql_table, update_sql_table
from nostr_dvm.utils.definitions import EventDefinitions
from nostr_dvm.utils.nip89_utils import nip89_fetch_events_pubkey, NIP89Config
from nostr_dvm.utils.nostr_utils import send_event
from nostr_dvm.utils.output_utils import PostProcessFunctionType, post_process_list_to_users, \
post_process_list_to_events
from nostr_dvm.utils.zap_utils import parse_zap_event_tags, pay_bolt11_ln_bits, zaprequest
from nostr_dvm.utils.cashu_utils import redeem_cashu
class Bot:
job_list: list
# This is a simple list just to keep track which events we created and manage, so we don't pay for other requests
def __init__(self, dvm_config, admin_config=None):
self.NAME = "Bot"
dvm_config.DB = "db/" + self.NAME + ".db"
self.dvm_config = dvm_config
nip89config = NIP89Config()
nip89config.NAME = self.NAME
self.dvm_config.NIP89 = nip89config
self.admin_config = admin_config
self.keys = Keys.parse(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))
signer = NostrSigner.keys(self.keys)
self.client = Client.with_opts(signer, opts)
pk = self.keys.public_key()
self.job_list = []
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())
nip59_filter = Filter().pubkey(pk).kind(Kind.from_enum(KindEnum.GIFT_WRAP())).since(
Timestamp.from_secs(Timestamp.now().as_secs() - 60 * 60 * 24 * 7))
kinds = [EventDefinitions.KIND_NIP90_GENERIC, EventDefinitions.KIND_FEEDBACK]
for dvm in self.dvm_config.SUPPORTED_DVMS:
if dvm.KIND not in kinds:
kinds.append(Kind(dvm.KIND.as_u64() + 1000))
dvm_filter = (Filter().kinds(kinds).since(Timestamp.now()))
self.client.subscribe([zap_filter, dm_filter, nip59_filter, dvm_filter], None)
create_sql_table(self.dvm_config.DB)
admin_make_database_updates(adminconfig=self.admin_config, dvmconfig=self.dvm_config, client=self.client)
# add_sql_table_column(dvm_config.DB)
class NotificationHandler(HandleNotification):
client = self.client
dvm_config = self.dvm_config
keys = self.keys
def handle(self, relay_url, subscription_id, nostr_event):
if (EventDefinitions.KIND_NIP90_EXTRACT_TEXT.as_u64() + 1000 <= nostr_event.kind().as_u64()
<= EventDefinitions.KIND_NIP90_GENERIC.as_u64() + 1000):
handle_nip90_response_event(nostr_event)
elif nostr_event.kind() == EventDefinitions.KIND_FEEDBACK:
handle_nip90_feedback(nostr_event)
elif nostr_event.kind() == EventDefinitions.KIND_ZAP:
handle_zap(nostr_event)
elif nostr_event.kind() == EventDefinitions.KIND_DM:
try:
handle_dm(nostr_event, False)
except Exception as e:
print(f"Error during content NIP04 decryption: {e}")
elif nostr_event.kind().match_enum(KindEnum.GIFT_WRAP()):
try:
handle_dm(nostr_event, True)
except Exception as e:
print(f"Error during content NIP59 decryption: {e}")
def handle_msg(self, relay_url, msg):
return
def handle_dm(nostr_event, giftwrap):
sender = nostr_event.author().to_hex()
if sender == self.keys.public_key().to_hex():
return
decrypted_text = ""
try:
sealed = " "
if giftwrap:
try:
# Extract rumor
unwrapped_gift = UnwrappedGift.from_gift_wrap(self.keys, nostr_event)
sender = unwrapped_gift.sender().to_hex()
rumor: UnsignedEvent = unwrapped_gift.rumor()
# Check timestamp of rumor
if rumor.created_at().as_secs() >= Timestamp.now().as_secs():
if rumor.kind().match_enum(KindEnum.SEALED_DIRECT()):
decrypted_text = rumor.content()
print(f"Received new msg [sealed]: {decrypted_text}")
sealed = " [sealed] "
# client.send_sealed_msg(sender, f"Echo: {msg}", None)
else:
print(f"{rumor.as_json()}")
except Exception as e:
print(f"Error during content NIP59 decryption: {e}")
else:
try:
decrypted_text = nip04_decrypt(self.keys.secret_key(), nostr_event.author(),
nostr_event.content())
except Exception as e:
print(f"Error during content NIP04 decryption: {e}")
if decrypted_text != "":
user = get_or_add_user(db=self.dvm_config.DB, npub=sender, client=self.client,
config=self.dvm_config)
print("[" + self.NAME + "]" + sealed + "Message from " + user.name + ": " + decrypted_text)
# if user selects an index from the overview list...
if decrypted_text != "" and decrypted_text[0].isdigit():
split = decrypted_text.split(' ')
index = int(split[0]) - 1
# if user sends index info, e.g. 1 info, we fetch the nip89 information and reply with it.
if len(split) > 1 and split[1].lower() == "info":
answer_nip89(nostr_event, index, giftwrap, sender)
# otherwise we probably have to do some work, so build an event from input and send it to the DVM
else:
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))
if user.isblacklisted:
# If users are blacklisted for some reason, tell them.
answer_blacklisted(nostr_event, giftwrap, sender)
else:
# Parse inputs to params
tags = build_params(decrypted_text, sender, index)
p_tag = Tag.parse(['p', self.dvm_config.SUPPORTED_DVMS[index].PUBLIC_KEY])
if self.dvm_config.SUPPORTED_DVMS[index].SUPPORTS_ENCRYPTION:
tags_str = []
for tag in tags:
tags_str.append(tag.as_vec())
params_as_str = json.dumps(tags_str)
print(params_as_str)
# and encrypt them
encrypted_params = nip04_encrypt(self.keys.secret_key(),
PublicKey.from_hex(
self.dvm_config.SUPPORTED_DVMS[
index].PUBLIC_KEY),
params_as_str)
# add encrypted and p tag on the outside
encrypted_tag = Tag.parse(['encrypted'])
# add the encrypted params to the content
nip90request = (EventBuilder(self.dvm_config.SUPPORTED_DVMS[index].KIND,
encrypted_params, [p_tag, encrypted_tag]).
to_event(self.keys))
else:
tags.append(p_tag)
nip90request = (EventBuilder(self.dvm_config.SUPPORTED_DVMS[index].KIND,
"", tags).
to_event(self.keys))
# remember in the job_list that we have made an event, if anybody asks for payment,
# we know we actually sent the request
entry = {"npub": user.npub, "event_id": nip90request.id().to_hex(),
"dvm_key": self.dvm_config.SUPPORTED_DVMS[index].PUBLIC_KEY, "is_paid": False, "giftwrap": giftwrap}
self.job_list.append(entry)
# send the event to the DVM
send_event(nip90request, client=self.client, dvm_config=self.dvm_config)
# print(nip90request.as_json())
elif decrypted_text.lower().startswith("balance"):
time.sleep(3.0)
message = "Your current balance is " + str(user.balance) + ("Sats. Zap me to add to your "
"balance. I will use your "
"balance interact with the DVMs "
"for you.\n I support both "
"public and private Zaps, "
"as well as "
"Zapplepay.\nAlternativly you "
"can add a #cashu token with "
"\"-cashu cashuASomeToken\" to "
"your command.\n Make sure the "
"token is worth the requested "
"amount mint fees (at least 3 "
"sat).\n Not all DVMs might "
"accept Cashu tokens.")
if giftwrap:
self.client.send_sealed_msg(PublicKey.parse(sender), message, None)
else:
evt = EventBuilder.encrypted_direct_msg(self.keys, PublicKey.parse(sender),
message,None).to_event(self.keys)
send_event(evt, client=self.client, dvm_config=dvm_config)
elif decrypted_text.startswith("cashuA"):
print("Received Cashu token:" + decrypted_text)
cashu_redeemed, cashu_message, total_amount, fees = redeem_cashu(decrypted_text,
self.dvm_config,
self.client)
print(cashu_message)
if cashu_message == "success":
update_user_balance(self.dvm_config.DB, sender, total_amount, client=self.client,
config=self.dvm_config)
else:
time.sleep(2.0)
message = "Error: " + cashu_message + ". Token has not been redeemed."
if giftwrap:
self.client.send_sealed_msg(PublicKey.parse(sender), message, None)
else:
evt = EventBuilder.encrypted_direct_msg(self.keys, PublicKey.from_hex(sender), message,
None).to_event(self.keys)
send_event(evt, client=self.client, dvm_config=self.dvm_config)
elif decrypted_text.lower().startswith("what's the second best"):
time.sleep(3.0)
message = "No, there is no second best.\n\nhttps://cdn.nostr.build/p/mYLv.mp4"
if giftwrap:
self.client.send_sealed_msg(PublicKey.parse(sender), message, None)
else:
evt = EventBuilder.encrypted_direct_msg(self.keys, PublicKey.parse(sender),
message,
nostr_event.id()).to_event(self.keys)
send_event(evt, client=self.client, dvm_config=self.dvm_config)
else:
# Build an overview of known DVMs and send it to the user
answer_overview(nostr_event, giftwrap, sender)
except Exception as e:
print("Error in bot " + str(e))
def handle_nip90_feedback(nostr_event):
# print(nostr_event.as_json())
try:
is_encrypted = False
status = ""
etag = ""
ptag = ""
content = nostr_event.content()
for tag in nostr_event.tags():
if tag.as_vec()[0] == "status":
status = tag.as_vec()[1]
if len(tag.as_vec()) > 2:
content = tag.as_vec()[2]
elif tag.as_vec()[0] == "e":
etag = tag.as_vec()[1]
elif tag.as_vec()[0] == "p":
ptag = tag.as_vec()[1]
elif tag.as_vec()[0] == "encrypted":
is_encrypted = True
if is_encrypted:
if ptag == self.keys.public_key().to_hex():
tags_str = nip04_decrypt(Keys.parse(dvm_config.PRIVATE_KEY).secret_key(),
nostr_event.author(), nostr_event.content())
params = json.loads(tags_str)
params.append(Tag.parse(["p", ptag]).as_vec())
params.append(Tag.parse(["encrypted"]).as_vec())
event_as_json = json.loads(nostr_event.as_json())
event_as_json['tags'] = params
event_as_json['content'] = ""
nostr_event = Event.from_json(json.dumps(event_as_json))
for tag in nostr_event.tags():
if tag.as_vec()[0] == "status":
status = tag.as_vec()[1]
if len(tag.as_vec()) > 2:
content = tag.as_vec()[2]
elif tag.as_vec()[0] == "e":
etag = tag.as_vec()[1]
elif tag.as_vec()[0] == "content":
content = tag.as_vec()[1]
else:
return
if status == "success" or status == "error" or status == "processing" or status == "partial" and content != "":
entry = next((x for x in self.job_list if x['event_id'] == etag), None)
if entry is not None and entry['dvm_key'] == nostr_event.author().to_hex():
user = get_or_add_user(db=self.dvm_config.DB, npub=entry['npub'],
client=self.client, config=self.dvm_config)
time.sleep(2.0)
if entry["giftwrap"]:
self.client.send_sealed_msg(PublicKey.parse(entry["npub"]), content, None)
else:
reply_event = EventBuilder.encrypted_direct_msg(self.keys,
PublicKey.from_hex(entry['npub']),
content,
None).to_event(self.keys)
send_event(reply_event, client=self.client, dvm_config=dvm_config)
print(status + ": " + content)
print(
"[" + self.NAME + "] Received reaction from " + nostr_event.author().to_hex() + " message to orignal sender " + user.name)
elif status == "payment-required" or status == "partial":
for tag in nostr_event.tags():
if tag.as_vec()[0] == "amount":
amount_msats = int(tag.as_vec()[1])
amount = int(amount_msats / 1000)
entry = next((x for x in self.job_list if x['event_id'] == etag), None)
if entry is not None and entry['is_paid'] is False and entry[
'dvm_key'] == nostr_event.author().to_hex():
# if we get a bolt11, we pay and move on
user = get_or_add_user(db=self.dvm_config.DB, npub=entry["npub"],
client=self.client, config=self.dvm_config)
if user.balance >= amount:
balance = max(user.balance - 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(), subscribed=user.subscribed)
message = "Paid " + str(amount) + " Sats from balance to DVM. New balance is " + str(balance) + " Sats.\n"
if entry["giftwrap"]:
self.client.send_sealed_msg(PublicKey.parse(entry["npub"]), message, None)
else:
evt = EventBuilder.encrypted_direct_msg(self.keys,
PublicKey.parse(entry["npub"]),
message,
None).to_event(self.keys)
send_event(evt, client=self.client, dvm_config=dvm_config)
print(
"[" + self.NAME + "] Replying " + user.name + " with \"scheduled\" confirmation")
else:
print("Bot payment-required")
time.sleep(2.0)
evt = EventBuilder.encrypted_direct_msg(self.keys,
PublicKey.parse(entry["npub"]),
"Current balance: " + str(
user.balance) + " Sats. Balance of " + str(
amount) + " Sats required. Please zap me with at least " +
str(int(amount - user.balance))
+ " Sats, then try again.",
None).to_event(self.keys)
send_event(evt, client=self.client, dvm_config=dvm_config)
return
if len(tag.as_vec()) > 2:
bolt11 = tag.as_vec()[2]
# else we create a zap
else:
user = get_or_add_user(db=self.dvm_config.DB, npub=nostr_event.author().to_hex(),
client=self.client, config=self.dvm_config)
print("Paying: " + user.name)
bolt11 = zaprequest(user.lud16, amount, "Zap", nostr_event, self.keys,
self.dvm_config,
"private")
if bolt11 == None:
print("Receiver has no Lightning address")
return
try:
print(bolt11)
payment_hash = pay_bolt11_ln_bits(bolt11, self.dvm_config)
self.job_list[self.job_list.index(entry)]['is_paid'] = True
print("[" + self.NAME + "] payment_hash: " + payment_hash +
" Forwarding payment of " + str(amount) + " Sats to DVM")
except Exception as e:
print(e)
except Exception as e:
print(e)
def handle_nip90_response_event(nostr_event: Event):
try:
ptag = ""
etag = ""
is_encrypted = False
for tag in nostr_event.tags():
if tag.as_vec()[0] == "e":
etag = tag.as_vec()[1]
elif tag.as_vec()[0] == "p":
ptag = tag.as_vec()[1]
elif tag.as_vec()[0] == "encrypted":
is_encrypted = True
entry = next((x for x in self.job_list if x['event_id'] == etag), None)
if entry is not None and entry[
'dvm_key'] == nostr_event.author().to_hex():
print(entry)
user = get_or_add_user(db=self.dvm_config.DB, npub=entry['npub'],
client=self.client, config=self.dvm_config)
self.job_list.remove(entry)
content = nostr_event.content()
if is_encrypted:
if ptag == self.keys.public_key().to_hex():
content = nip04_decrypt(self.keys.secret_key(), nostr_event.author(), content)
else:
return
dvms = [x for x in self.dvm_config.SUPPORTED_DVMS if
x.PUBLIC_KEY == nostr_event.author().to_hex() and x.KIND.as_u64() == nostr_event.kind().as_u64() - 1000]
if len(dvms) > 0:
dvm = dvms[0]
if dvm.dvm_config.EXTERNAL_POST_PROCESS_TYPE != PostProcessFunctionType.NONE:
if dvm.dvm_config.EXTERNAL_POST_PROCESS_TYPE == PostProcessFunctionType.LIST_TO_EVENTS:
content = post_process_list_to_events(content)
elif dvm.dvm_config.EXTERNAL_POST_PROCESS_TYPE == PostProcessFunctionType.LIST_TO_USERS:
content = post_process_list_to_users(content)
print("[" + self.NAME + "] Received results, message to orignal sender " + user.name)
time.sleep(1.0)
if entry["giftwrap"]:
self.client.send_sealed_msg(PublicKey.parse(user.npub), content, None)
else:
reply_event = EventBuilder.encrypted_direct_msg(self.keys,
PublicKey.parse(user.npub),
content,
None).to_event(self.keys)
send_event(reply_event, client=self.client, dvm_config=dvm_config)
except Exception as e:
print(e)
def handle_zap(zap_event):
print("[" + self.NAME + "] Zap received")
try:
invoice_amount, zapped_event, sender, message, anon = parse_zap_event_tags(zap_event,
self.keys, self.NAME,
self.client, self.dvm_config)
etag = ""
print(zap_event.tags())
print(zapped_event.tags())
for tag in zapped_event.tags():
if tag.as_vec()[0] == "e":
etag = tag.as_vec()[1]
user = get_or_add_user(self.dvm_config.DB, sender, client=self.client, config=self.dvm_config)
entry = next((x for x in self.job_list if x['event_id'] == etag), None)
print(entry)
# print(entry['dvm_key'])
# print(str(zapped_event.author().to_hex()))
# print(str(zap_event.author().to_hex()))
print(sender)
if entry is not None and entry['is_paid'] is True and entry['dvm_key'] == sender:
# if we get a bolt11, we pay and move on
user = get_or_add_user(db=self.dvm_config.DB, npub=entry["npub"],
client=self.client, config=self.dvm_config)
sender = user.npub
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))
def answer_overview(nostr_event, giftwrap, sender):
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 + "\n\t" + str(p.FIX_COST) +
" Sats + " + str(p.PER_UNIT_COST) + " Sats per Second\n\n")
else:
message += (str(index) + " " + p.NAME + " " + p.TASK + "\n\t" + str(p.FIX_COST) +
" Sats\n\n")
index += 1
time.sleep(3.0)
text = 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"
if giftwrap:
self.client.send_sealed_msg(PublicKey.parse(sender), text, None)
else:
evt = EventBuilder.encrypted_direct_msg(self.keys, PublicKey.parse(sender),
text,
nostr_event.id()).to_event(self.keys)
send_event(evt, client=self.client, dvm_config=dvm_config)
def answer_blacklisted(nostr_event, giftwrap, sender):
message = "Your are currently blocked from this service."
if giftwrap:
self.client.send_sealed_msg(PublicKey.parse(sender), message, None)
else:
# For some reason an admin might blacklist npubs, e.g. for abusing the service
evt = EventBuilder.encrypted_direct_msg(self.keys, nostr_event.author(),
message, None).to_event(self.keys)
send_event(evt, client=self.client, dvm_config=dvm_config)
def answer_nip89(nostr_event, index, giftwrap, sender):
info = print_dvm_info(self.client, index)
if info is None:
info = "No NIP89 Info found for " + self.dvm_config.SUPPORTED_DVMS[index].NAME
time.sleep(2.0)
if giftwrap:
self.client.send_sealed_msg(PublicKey.parse(sender), info, None)
else:
evt = EventBuilder.encrypted_direct_msg(self.keys, nostr_event.author(),
info, None).to_event(self.keys)
send_event(evt, client=self.client, dvm_config=dvm_config)
def build_params(decrypted_text, author, index):
tags = []
splitzero = decrypted_text.split(' -')
split = splitzero[0].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:
remaining_text = decrypted_text.replace(split[0], "")
params = remaining_text.split(" -")
tag = Tag.parse(["param", "user", author])
tags.append(tag)
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)
except Exception as e:
print(e)
print("Couldn't add " + str(i))
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)
elif (input.startswith("nevent") or input.startswith("nostr:nevent") or input.startswith("note") or
input.startswith("nostr:note")):
input_type = "event"
if str(input).startswith('note'):
event_id = EventId.from_bech32(input)
elif str(input).startswith("nevent"):
event_id = Nip19Event.from_bech32(input).event_id()
elif str(input).startswith('nostr:note'):
event_id = EventId.from_nostr_uri(input)
elif str(input).startswith("nostr:nevent"):
event_id = Nip19Event.from_nostr_uri(input).event_id()
else:
event_id = EventId.from_hex(input)
i_tag = Tag.parse(["i", event_id.to_hex(), 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)