mirror of
https://github.com/RoboSats/robosats.git
synced 2024-12-15 03:46:24 +00:00
115 lines
3.7 KiB
Python
115 lines
3.7 KiB
Python
import pygeohash
|
|
import hashlib
|
|
import uuid
|
|
|
|
from asgiref.sync import sync_to_async
|
|
from nostr_sdk import Keys, Client, EventBuilder, NostrSigner, Kind, Tag
|
|
from api.models import Order
|
|
from decouple import config
|
|
|
|
|
|
class Nostr:
|
|
"""Simple nostr events manager to be used as a cache system for clients"""
|
|
|
|
async def send_order_event(self, order):
|
|
"""Creates the event and sends it to the coordinator relay"""
|
|
|
|
if config("NOSTR_NSEC", cast=str, default="") == "":
|
|
return
|
|
|
|
print("Sending nostr event")
|
|
|
|
# Initialize with coordinator Keys
|
|
keys = Keys.parse(config("NOSTR_NSEC", cast=str))
|
|
signer = NostrSigner.keys(keys)
|
|
client = Client(signer)
|
|
|
|
# Add relays and connect
|
|
await client.add_relays(["ws://localhost:7777"])
|
|
await client.connect()
|
|
|
|
robot_name = await self.get_robot_name(order)
|
|
robot_hash_id = await self.get_robot_hash_id(order)
|
|
currency = await self.get_robot_currency(order)
|
|
|
|
event = EventBuilder(
|
|
Kind(38383),
|
|
"",
|
|
self.generate_tags(order, robot_name, robot_hash_id, currency),
|
|
).to_event(keys)
|
|
await client.send_event(event)
|
|
print(f"Nostr event sent: {event.as_json()}")
|
|
|
|
@sync_to_async
|
|
def get_robot_name(self, order):
|
|
return order.maker.username
|
|
|
|
@sync_to_async
|
|
def get_robot_hash_id(self, order):
|
|
return order.maker.robot.hash_id
|
|
|
|
@sync_to_async
|
|
def get_robot_currency(self, order):
|
|
return str(order.currency)
|
|
|
|
def generate_tags(self, order, robot_name, robot_hash_id, currency):
|
|
hashed_id = hashlib.md5(
|
|
f"{config("COORDINATOR_ALIAS", cast=str)}{order.id}".encode("utf-8")
|
|
).hexdigest()
|
|
|
|
tags = [
|
|
Tag.parse(["d", str(uuid.UUID(hashed_id))]),
|
|
Tag.parse(["name", robot_name, robot_hash_id]),
|
|
Tag.parse(["k", "sell" if order.type == Order.Types.SELL else "buy"]),
|
|
Tag.parse(["f", currency]),
|
|
Tag.parse(["s", self.get_status_tag(order)]),
|
|
Tag.parse(["amt", "0"]),
|
|
Tag.parse(
|
|
["fa"]
|
|
+ (
|
|
[str(order.amount)]
|
|
if not order.has_range
|
|
else [str(order.min_amount), str(order.max_amount)]
|
|
)
|
|
),
|
|
Tag.parse(["pm"] + order.payment_method.split(" ")),
|
|
Tag.parse(["premium", str(order.premium)]),
|
|
Tag.parse(
|
|
[
|
|
"source",
|
|
f"http://{config("HOST_NAME")}/order/{config("COORDINATOR_ALIAS", cast=str).lower()}/{order.id}",
|
|
]
|
|
),
|
|
Tag.parse(
|
|
[
|
|
"expiration",
|
|
str(int(order.expires_at.timestamp())),
|
|
str(order.escrow_duration),
|
|
]
|
|
),
|
|
Tag.parse(["y", "robosats", config("COORDINATOR_ALIAS", cast=str).lower()]),
|
|
Tag.parse(["n", str(config("NETWORK"))]),
|
|
Tag.parse(["layer"] + self.get_layer_tag(order)),
|
|
Tag.parse(["bond", str(order.bond_size)]),
|
|
Tag.parse(["z", "order"]),
|
|
]
|
|
|
|
if order.latitude and order.longitude:
|
|
tags.extend(
|
|
[Tag.parse(["g", pygeohash.encode(order.latitude, order.longitude)])]
|
|
)
|
|
|
|
return tags
|
|
|
|
def get_status_tag(self, order):
|
|
if order.status == Order.Status.PUB:
|
|
return "pending"
|
|
else:
|
|
return "success"
|
|
|
|
def get_layer_tag(self, order):
|
|
if order.type == Order.Types.SELL:
|
|
return ["onchain", "lightning"]
|
|
else:
|
|
return ["lightning"]
|