211 lines
8.0 KiB
Python
211 lines
8.0 KiB
Python
import stripe
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from alpaca.trading.client import TradingClient
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from django.conf import settings
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from django.contrib.auth.models import AbstractUser
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from django.db import models
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from serde import ValidationError
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from core.lib.customers import get_or_create, update_customer_fields
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from core.lib.serde import ccxt_s
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from core.util import logs
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log = logs.get_logger(__name__)
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class Plan(models.Model):
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name = models.CharField(max_length=255, unique=True)
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description = models.CharField(max_length=1024, null=True, blank=True)
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cost = models.IntegerField()
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product_id = models.CharField(max_length=255, unique=True, null=True, blank=True)
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image = models.CharField(max_length=1024, null=True, blank=True)
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def __str__(self):
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return f"{self.name} (£{self.cost})"
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class User(AbstractUser):
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# Stripe customer ID
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stripe_id = models.CharField(max_length=255, null=True, blank=True)
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last_payment = models.DateTimeField(null=True, blank=True)
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plans = models.ManyToManyField(Plan, blank=True)
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email = models.EmailField(unique=True)
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self._original = self
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def save(self, *args, **kwargs):
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"""
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Override the save function to create a Stripe customer.
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"""
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if settings.STRIPE_ENABLED:
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if not self.stripe_id: # stripe ID not stored
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self.stripe_id = get_or_create(
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self.email, self.first_name, self.last_name
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)
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to_update = {}
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if self.email != self._original.email:
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to_update["email"] = self.email
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if self.first_name != self._original.first_name:
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to_update["first_name"] = self.first_name
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if self.last_name != self._original.last_name:
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to_update["last_name"] = self.last_name
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update_customer_fields(self.stripe_id, **to_update)
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super().save(*args, **kwargs)
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def delete(self, *args, **kwargs):
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if settings.STRIPE_ENABLED:
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if self.stripe_id:
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stripe.Customer.delete(self.stripe_id)
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log.info(f"Deleted Stripe customer {self.stripe_id}")
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super().delete(*args, **kwargs)
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def has_plan(self, plan):
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plan_list = [plan.name for plan in self.plans.all()]
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return plan in plan_list
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class Account(models.Model):
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EXCHANGE_CHOICES = (("alpaca", "Alpaca"),)
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user = models.ForeignKey(User, on_delete=models.CASCADE)
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name = models.CharField(max_length=255)
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exchange = models.CharField(choices=EXCHANGE_CHOICES, max_length=255)
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api_key = models.CharField(max_length=255)
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api_secret = models.CharField(max_length=255)
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sandbox = models.BooleanField(default=False)
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def get_account(self):
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trading_client = TradingClient(
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self.api_key, self.api_secret, paper=self.sandbox
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)
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return trading_client.get_account()
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class Session(models.Model):
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user = models.ForeignKey(User, on_delete=models.CASCADE)
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request = models.CharField(max_length=255, null=True, blank=True)
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session = models.CharField(max_length=255, null=True, blank=True)
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subscription_id = models.CharField(max_length=255, null=True, blank=True)
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plan = models.ForeignKey(Plan, null=True, blank=True, on_delete=models.CASCADE)
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class Hook(models.Model):
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user = models.ForeignKey(User, on_delete=models.CASCADE)
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name = models.CharField(max_length=1024, null=True, blank=True, unique=True)
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hook = models.CharField(max_length=255, unique=True)
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received = models.IntegerField(default=0)
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class Trade(models.Model):
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SYMBOL_CHOICES = (
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("BTC/USD", "Bitcoin/US Dollar"),
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("LTC/USD", "Litecoin/US Dollar"),
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)
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TYPE_CHOICES = (
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("market", "Market"),
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("limit", "Limit"),
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)
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DIRECTION_CHOICES = (
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("buy", "Buy"),
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("sell", "Sell"),
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)
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account = models.ForeignKey(Account, on_delete=models.CASCADE)
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hook = models.ForeignKey(Hook, on_delete=models.CASCADE, null=True, blank=True)
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symbol = models.CharField(choices=SYMBOL_CHOICES, max_length=255)
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type = models.CharField(choices=TYPE_CHOICES, max_length=255)
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amount = models.FloatField()
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price = models.FloatField(null=True, blank=True)
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stop_loss = models.FloatField(null=True, blank=True)
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take_profit = models.FloatField(null=True, blank=True)
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status = models.CharField(max_length=255, null=True, blank=True)
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direction = models.CharField(choices=DIRECTION_CHOICES, max_length=255)
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# To populate from the trade
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order_id = models.CharField(max_length=255, null=True, blank=True)
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client_order_id = models.CharField(max_length=255, null=True, blank=True)
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response = models.JSONField(null=True, blank=True)
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self._original = self
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def save(self, *args, **kwargs):
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"""
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Override the save function to place the trade.
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"""
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if self.response is None:
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# the trade is not placed yet
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if self.account.exchange == "alpaca":
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trading_client = TradingClient(
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self.account.api_key, self.account.api_secret, paper=self.sandbox
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)
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if self.type == "market":
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order = account.create_order(
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self.symbol, self.type, self.direction, self.amount
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)
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elif self.type == "limit":
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params = ""
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order = account.create_limit_order(
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self.symbol,
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self.type,
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self.direction,
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self.amount,
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self.price,
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params,
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)
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print("ORDER", order)
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try:
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parsed = ccxt_s.CCXTRoot.from_dict(order)
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except ValidationError as e:
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log.error(f"Error creating trade: {e}")
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return False
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self.status = parsed.status
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self.response = order
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else:
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# there is a trade open
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# get trade
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# update trade
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pass
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super().save(*args, **kwargs)
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def delete(self, *args, **kwargs):
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# close the trade
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super().delete(*args, **kwargs)
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class Callback(models.Model):
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hook = models.ForeignKey(Hook, on_delete=models.CASCADE)
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title = models.CharField(max_length=1024, null=True, blank=True)
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message = models.CharField(max_length=1024, null=True, blank=True)
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period = models.CharField(max_length=255, null=True, blank=True)
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timestamp_sent = models.BigIntegerField(null=True, blank=True)
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timestamp_trade = models.BigIntegerField(null=True, blank=True)
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market_exchange = models.CharField(max_length=255, null=True, blank=True)
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market_item = models.CharField(max_length=255, null=True, blank=True)
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market_currency = models.CharField(max_length=255, null=True, blank=True)
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market_contract = models.CharField(max_length=255, null=True, blank=True)
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# class Perms(models.Model):
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# class Meta:
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# permissions = (
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# ("bypass_hashing", "Can bypass field hashing"), #
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# ("bypass_blacklist", "Can bypass the blacklist"), #
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# ("bypass_encryption", "Can bypass field encryption"), #
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# ("bypass_obfuscation", "Can bypass field obfuscation"), #
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# ("bypass_delay", "Can bypass data delay"), #
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# ("bypass_randomisation", "Can bypass data randomisation"), #
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# ("post_irc", "Can post to IRC"),
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# ("post_discord", "Can post to Discord"),
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# ("query_search", "Can search with query strings"), #
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# ("use_insights", "Can use the Insights page"),
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# ("index_int", "Can use the internal index"),
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# ("index_meta", "Can use the meta index"),
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# ("restricted_sources", "Can access restricted sources"),
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# )
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