Refactor and ignore n/a exchange callbacks

This commit is contained in:
Mark Veidemanis 2022-11-10 07:20:20 +00:00
parent 8b52063473
commit c3d908341a
Signed by: m
GPG Key ID: 5ACFCEED46C0904F
6 changed files with 40 additions and 23 deletions

View File

@ -1,20 +1,20 @@
from decimal import Decimal as D
from alpaca.common.exceptions import APIError
from core.exchanges import GenericAPIError
from core.models import Strategy, Trade
from core.util import logs
from core.exchanges import GenericAPIError
log = logs.get_logger(__name__)
def to_usd(account, amount, from_currency):
if account.exchange == "alpaca":
separator = "/"
elif account.exchange == "oanda":
separator = "_"
symbol = f"{from_currency.upper()}{separator}{to_currency.upper()}"
prices = account.client.get_currencies([symbol])
# def to_usd(account, amount, from_currency):
# if account.exchange == "alpaca":
# separator = "/"
# elif account.exchange == "oanda":
# separator = "_"
# symbol = f"{from_currency.upper()}{separator}{to_currency.upper()}"
# prices = account.client.get_currencies([symbol])
def to_currency(direction, account, amount, from_currency, to_currency):
if account.exchange == "alpaca":
@ -41,6 +41,7 @@ def to_currency(direction, account, amount, from_currency, to_currency):
return converted
def get_pair(account, base, quote):
if account.exchange == "alpaca":
separator = "/"
@ -52,17 +53,23 @@ def get_pair(account, base, quote):
return False
return symbol
def get_trade_size_in_base(direction, account, strategy, cash_balance, price, base, precision):
def get_trade_size_in_base(
direction, account, strategy, cash_balance, price, base, precision
):
trade_size_as_ratio = D(strategy.trade_size_percent) / D(100)
log.debug(f"Trade size as ratio: {trade_size_as_ratio}")
amount_fiat = D(trade_size_as_ratio) * D(cash_balance)
log.debug(f"Trade size: {amount_fiat}")
# We can do this because the quote IS in $ or equivalent
# trade_size_in_base = D(amount_fiat) / D(price)
trade_size_in_base = to_currency(direction, account, amount_fiat, account.currency, base)
trade_size_in_base = to_currency(
direction, account, amount_fiat, account.currency, base
)
log.debug(f"Trade size in base: {trade_size_in_base}")
return trade_size_in_base
def get_tp_sl(direction, strategy, price):
stop_loss_as_ratio = D(strategy.stop_loss_percent) / D(100)
take_profit_as_ratio = D(strategy.take_profit_percent) / D(100)
@ -85,6 +92,7 @@ def get_tp_sl(direction, strategy, price):
log.debug(f"Take profit: {take_profit}")
return (stop_loss, take_profit)
def get_price_bound(direction, strategy, price):
price_slippage_as_ratio = D(strategy.price_slippage_percent) / D(100)
log.debug(f"Price slippage as ratio: {price_slippage_as_ratio}")
@ -146,7 +154,9 @@ def execute_strategy(callback, strategy):
# type = "limit"
type = "market"
trade_size_in_base = get_trade_size_in_base(direction, account, strategy, cash_balance, price, base, display_precision)
trade_size_in_base = get_trade_size_in_base(
direction, account, strategy, cash_balance, price, base, display_precision
)
stop_loss, take_profit = get_tp_sl(direction, strategy, price)
price_bound = round(get_price_bound(direction, strategy, price), display_precision)

View File

@ -353,6 +353,7 @@ AccountInstrumentsSchema = {
)
}
class OrderTransaction(BaseModel):
id: str
accountID: str
@ -367,9 +368,11 @@ class OrderTransaction(BaseModel):
positionFill: str
reason: str
class OrderCreate(BaseModel):
orderCreateTransaction: OrderTransaction
OrderCreateSchema = {
"id": "orderCreateTransaction.id",
"accountID": "orderCreateTransaction.accountID",
@ -385,18 +388,22 @@ OrderCreateSchema = {
"reason": "orderCreateTransaction.reason",
}
class PriceBid(BaseModel):
price: str
liquidity: int
class PriceAsk(BaseModel):
price: str
liquidity: int
class PriceQuoteHomeConversionFactors(BaseModel):
positiveUnits: str
negativeUnits: str
class Price(BaseModel):
type: str
time: str
@ -409,10 +416,12 @@ class Price(BaseModel):
quoteHomeConversionFactors: PriceQuoteHomeConversionFactors
instrument: str
class PricingInfo(BaseModel):
time: str
prices: list[Price]
PricingInfoSchema = {
"time": "time",
"prices": (

View File

@ -69,10 +69,7 @@ class User(AbstractUser):
class Account(models.Model):
EXCHANGE_CHOICES = (
("alpaca", "Alpaca"),
("oanda", "OANDA")
)
EXCHANGE_CHOICES = (("alpaca", "Alpaca"), ("oanda", "OANDA"))
user = models.ForeignKey(User, on_delete=models.CASCADE)
name = models.CharField(max_length=255)
exchange = models.CharField(choices=EXCHANGE_CHOICES, max_length=255)

View File

@ -1,11 +1,9 @@
from django import template
import orjson
from django import template
register = template.Library()
@register.filter
def pretty(data):
return orjson.dumps(
data, option=orjson.OPT_INDENT_2
).decode("utf-8")
return orjson.dumps(data, option=orjson.OPT_INDENT_2).decode("utf-8")

View File

@ -1,5 +1,5 @@
import uuid
import orjson
from django.contrib.auth.mixins import LoginRequiredMixin
from django.http import HttpResponseBadRequest
from django.shortcuts import render

View File

@ -78,6 +78,9 @@ class HookAPI(APIView):
except Hook.DoesNotExist:
return HttpResponseBadRequest("Hook does not exist.")
if data["exchange"].lower() == "n/a":
log.debug("HookAPI callback: exchange is N/A, skipping")
return HttpResponse("OK")
# Create the callback object
callback = Callback.objects.create(hook=hook, **data)
callback.save()