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48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
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import time
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import pygeohash
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from nostr_sdk import Keys, Client, EventBuilder, NostrSigner, Filter
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from api.models import Order
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from decouple import config
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class Nostr:
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"""Simple nostr events manager to be used as a cache system for clients"""
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async def send_new_order_event(self, order):
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"""Creates the event and sends it to the coordinator relay"""
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# Initialize with coordinator Keys
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keys = Keys.generate()
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signer = NostrSigner.keys(keys)
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client = Client(signer)
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# Add relays and connect
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await client.add_relays(["ws://localhost:888"])
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await client.connect()
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event = EventBuilder(38383, "", generate_tags(order)).to_event(keys)
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output = await client.send_event(event)
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print(f"Nostr event sent: {output}")
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def generate_tags(self, order):
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return [
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["d", order.id],
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["name", order.maker.robot_name],
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["k", order.type.lower()],
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["f", order.currency],
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["s", Order.Status(order.status).label],
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["amt", order.last_satoshis],
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["fa", order.amount],
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["pm", order.payment_method.split(" ")],
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["premium", order.premium_percentile],
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["source", f"{config("HOST_NAME")}/{config("COORDINATOR_ALIAS")}/order/{order.id}"],
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["expiration", order.expires_at.timestamp()],
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["y", "robosats"],
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["coordinator", config("COORDINATOR_ALIAS", cast=str)]
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["z", "order"],
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["n", order.network],
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["layer", "lightning"],
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["g", pygeohash.encode(order.latitude, order.longitude)],
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["bond", order.bond]
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]
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