mirror of
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52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
from django.core.validators import MaxValueValidator, MinValueValidator
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from django.contrib.auth.models import User
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from django.db import models
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from django.conf import settings
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from django.utils import timezone
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class TakeOrder(models.Model):
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amount = models.DecimalField(max_digits=18, decimal_places=8, null=True, blank=True)
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order = models.ForeignKey(
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"api.Order",
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related_name="order",
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on_delete=models.CASCADE,
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null=False,
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default=None,
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blank=False,
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)
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taker = models.ForeignKey(
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User,
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related_name="pretaker",
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on_delete=models.CASCADE,
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null=False,
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default=None,
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blank=False,
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)
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expires_at = models.DateTimeField()
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taker_bond = models.OneToOneField(
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"api.LNPayment",
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related_name="take_order",
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on_delete=models.SET_NULL,
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null=True,
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default=None,
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blank=True,
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)
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last_satoshis = models.PositiveBigIntegerField(
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null=True,
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default=None,
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validators=[MinValueValidator(0), MaxValueValidator(settings.MAX_TRADE * 2)],
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blank=True,
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)
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# timestamp of last_satoshis
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last_satoshis_time = models.DateTimeField(null=True, default=None, blank=True)
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def cancel(self, cls):
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if self.expires_at > timezone.now():
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self.expires_at = timezone.now()
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self.save(update_fields=["expires_at"])
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cls.cancel_bond(self.taker_bond)
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def __str__(self):
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return f"Order {self.order.id} taken by Robot({self.taker.robot.id},{self.taker.username}) for {self.amount} fiat units"
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