mirror of
https://github.com/RoboSats/robosats.git
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313 lines
10 KiB
Python
313 lines
10 KiB
Python
from celery import shared_task
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from celery.exceptions import SoftTimeLimitExceeded
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@shared_task(name="users_cleansing", time_limit=600)
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def users_cleansing():
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"""
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Deletes users never used 12 hours after creation
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"""
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from datetime import timedelta
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from django.contrib.auth.models import User
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from django.db.models import Q
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from django.utils import timezone
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from api.logics import Logics
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# Users who's last login has not been in the last 6 hours
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active_time_range = (timezone.now() - timedelta(hours=6), timezone.now())
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queryset = User.objects.filter(~Q(last_login__range=active_time_range))
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queryset = queryset.filter(is_staff=False) # Do not delete staff users
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# And do not have an active trade, any past contract or any reward.
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deleted_users = []
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for user in queryset:
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# Try an except, due to unknown cause for users lacking robots.
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try:
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if (
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user.robot.earned_rewards > 0
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or user.robot.claimed_rewards > 0
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or user.robot.telegram_enabled is True
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):
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continue
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if not user.robot.total_contracts == 0:
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continue
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valid, _, _ = Logics.validate_already_maker_or_taker(user)
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if valid:
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deleted_users.append(str(user))
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user.delete()
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except Exception:
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pass
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results = {
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"num_deleted": len(deleted_users),
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"deleted_users": deleted_users,
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}
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return results
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@shared_task(name="follow_send_payment", time_limit=180, soft_time_limit=175)
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def follow_send_payment(hash):
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"""Sends sats to buyer, continuous update"""
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from datetime import timedelta
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from decouple import config
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from django.utils import timezone
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from api.lightning.node import LNNode
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from api.models import LNPayment
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if config("DEBUG_PERMISSIONED_PAYOUTS", cast=bool, default=False):
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return
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lnpayment = LNPayment.objects.get(payment_hash=hash)
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lnpayment.last_routing_time = timezone.now()
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lnpayment.save(update_fields=["last_routing_time"])
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# Default is 0ppm. Set by the user over API. Client's default is 1000 ppm.
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fee_limit_sat = int(
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float(lnpayment.num_satoshis) * float(lnpayment.routing_budget_ppm) / 1_000_000
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)
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timeout_seconds = config("PAYOUT_TIMEOUT_SECONDS", cast=int, default=90)
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try:
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results = LNNode.follow_send_payment(lnpayment, fee_limit_sat, timeout_seconds)
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except SoftTimeLimitExceeded:
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# If the 175 seconds have been consumed without follow_send_payment()
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# returning, we set the last routing time as 'in 10 minutes'
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# so the next check happens in 10 minutes, instead of right now.
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lnpayment.last_routing_time = timezone.now() + timedelta(minutes=10)
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lnpayment.save(update_fields=["last_routing_time"])
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print(
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f"Order: {lnpayment.order_paid_LN.id} SOFT TIME LIMIT REACHED. Hash: {hash}"
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)
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results = {}
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return results
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@shared_task(name="send_devfund_donation", time_limit=300, soft_time_limit=295)
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def send_devfund_donation(order_id, proceeds, reason):
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"""Sends a fraction of order.proceeds via keysend as
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donation to the RoboSats Open Source project devfund.
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"""
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from decouple import config
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from django.contrib.auth.models import User
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from api.lightning.node import LNNode
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from api.models import LNPayment, Order
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from api.utils import get_devfund_pubkey
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target_pubkey = get_devfund_pubkey(config("NETWORK", cast=str))
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order = Order.objects.get(id=order_id)
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coordinator_alias = config("COORDINATOR_ALIAS", cast=str, default="NoAlias")
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donation_fraction = min(1.0, max(0.00, config("DEVFUND", cast=float, default=0.2)))
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message = f"Devfund donation; {coordinator_alias}; {order}; {donation_fraction}; {reason};"
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num_satoshis = int(proceeds * donation_fraction)
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routing_budget_sats = int(max(5, num_satoshis * 0.000_1))
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timeout = 280
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sign = False
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valid, keysend_payment = LNNode.send_keysend(
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target_pubkey, message, num_satoshis, routing_budget_sats, timeout, sign
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)
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if not valid:
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return False
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lnpayment = LNPayment.objects.create(
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concept=LNPayment.Concepts.DEVDONAT,
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type=LNPayment.Types.KEYS,
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sender=User.objects.get(
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username=config("ESCROW_USERNAME", cast=str, default="admin")
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),
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invoice=f"Target pubkey: {target_pubkey}; At: {keysend_payment['created_at']}",
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routing_budget_sats=routing_budget_sats,
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description=message,
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num_satoshis=num_satoshis,
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order_donated=order,
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**keysend_payment,
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)
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order.log(
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f"Development fund donation LNPayment({lnpayment.payment_hash},{str(lnpayment)}) was made via keysend for {num_satoshis} Sats"
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)
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return True
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@shared_task(name="payments_cleansing", time_limit=600)
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def payments_cleansing():
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"""
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Deletes cancelled payments (hodl invoices never locked) that
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belong to orders expired more than 3 days ago.
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Deletes 'cancelled' or 'create' onchain_payments
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"""
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from datetime import timedelta
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from django.db.models import Q
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from django.utils import timezone
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from api.models import LNPayment, OnchainPayment
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# Orders that have expired more than -3 days ago
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# Usually expiry is 1 day for every finished order. So ~4 days until
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# a never locked hodl invoice is removed.
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finished_time = timezone.now() - timedelta(days=3)
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queryset = LNPayment.objects.filter(
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Q(status=LNPayment.Status.CANCEL),
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Q(order_made__expires_at__lt=finished_time)
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| Q(order_taken__expires_at__lt=finished_time),
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)
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# And do not have an active trade, any past contract or any reward.
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deleted_lnpayments = []
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for lnpayment in queryset:
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# Try and except. In case some payment is already missing.
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try:
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name = str(lnpayment)
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lnpayment.delete()
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deleted_lnpayments.append(name)
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except Exception:
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pass
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# same for onchain payments
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queryset = OnchainPayment.objects.filter(
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Q(status__in=[OnchainPayment.Status.CANCE, OnchainPayment.Status.CREAT]),
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Q(order_paid_TX__expires_at__lt=finished_time) | Q(order_paid_TX__isnull=True),
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)
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# And do not have an active trade, any past contract or any reward.
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deleted_onchainpayments = []
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for onchainpayment in queryset:
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# Try and except. In case some payment is already missing.
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try:
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name = str(onchainpayment)
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onchainpayment.delete()
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deleted_onchainpayments.append(name)
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except Exception:
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pass
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results = {
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"num_lnpayments_deleted": len(deleted_lnpayments),
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"deleted_lnpayments": deleted_lnpayments,
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"num_onchainpayments_deleted": len(deleted_onchainpayments),
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"deleted_onchainpayments": deleted_onchainpayments,
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}
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return results
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@shared_task(
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name="cache_external_market_prices",
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ignore_result=True,
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time_limit=120,
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soft_time_limit=115,
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)
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def cache_market():
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import math
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from django.utils import timezone
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from .models import Currency
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from .utils import get_exchange_rates
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currency_codes = list(Currency.currency_dict.values())
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try:
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exchange_rates = get_exchange_rates(currency_codes)
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if not exchange_rates:
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return
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results = {}
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for i in range(
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len(Currency.currency_dict.values())
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): # currencies are indexed starting at 1 (USD)
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rate = exchange_rates[i]
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results[i] = {currency_codes[i], rate}
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# Do not update if no new rate was found
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if math.isnan(rate):
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continue
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# Create / Update database cached prices
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currency_key = list(Currency.currency_dict.keys())[i]
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Currency.objects.update_or_create(
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id=int(currency_key),
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currency=int(currency_key),
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# if there is a Cached market prices matching that id, it updates it with defaults below
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defaults={
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"exchange_rate": float(rate),
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"timestamp": timezone.now(),
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},
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)
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return results
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except SoftTimeLimitExceeded:
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print("SOFT LIMIT REACHED. Could not fetch current external market prices.")
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return
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@shared_task(name="send_notification", ignore_result=True, time_limit=120)
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def send_notification(order_id=None, chat_message_id=None, message=None):
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if order_id:
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from api.models import Order
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order = Order.objects.get(id=order_id)
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elif chat_message_id:
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from chat.models import Message
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chat_message = Message.objects.get(id=chat_message_id)
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order = chat_message.order
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from api.notifications import Notifications
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notifications = Notifications()
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if message == "welcome":
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notifications.welcome(order)
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elif message == "order_expired_untaken":
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notifications.order_expired_untaken(order)
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elif message == "trade_successful":
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notifications.trade_successful(order)
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elif message == "public_order_cancelled":
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notifications.public_order_cancelled(order)
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elif message == "taker_expired_b4bond":
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notifications.taker_expired_b4bond(order)
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elif message == "order_published":
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notifications.order_published(order)
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elif message == "order_taken_confirmed":
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notifications.order_taken_confirmed(order)
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elif message == "fiat_exchange_starts":
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notifications.fiat_exchange_starts(order)
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elif message == "dispute_opened":
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notifications.dispute_opened(order)
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elif message == "collaborative_cancelled":
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notifications.collaborative_cancelled(order)
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elif message == "new_chat_message":
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notifications.new_chat_message(order, chat_message)
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elif message == "coordinator_cancelled":
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notifications.coordinator_cancelled(order)
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elif message == "dispute_closed":
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notifications.dispute_closed(order)
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elif message == "lightning_failed":
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notifications.lightning_failed(order)
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return
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