def DeterminLotNumber(modeladmin, request, queryset):
for p in queryset:
markets = Market.objects.filter(product=p)
for m in markets:
all_securities = Security.objects.filter(market__product=p)
r = 1
for s in all_securities:
r = lcm(r, s.selling_price)
try:
lmsr = LMSR.objects.get(product=p)
except LMSR.DoesNotExist:
lmsr = LMSR(product=p)
lmsr.P0 = r
lmsr.save()
start_price = [round(lmsr.P0 / p.security_number, 2)
] * p.security_number
amount = [0] * p.security_number
securityprice = SecurityPrice.objects.get(market=m)
securityprice.price = start_price
securityprice.amount = amount
securityprice.save()
data = start_price
data.insert(0, int(time.mktime(m.open_time.timetuple())) * 1000)
pricehistory = PriceHistory.objects.get(product=p, is_open=True)
pricehistory.data = [data]
pricehistory.save()
securities = Security.objects.filter(market=m)
for s in securities:
s.lot = r / s.selling_price
s.save()
p.lot_setting = True
p.save()
def DeterminCostPrice(modeladmin, request, queryset):
for p in queryset:
stock = 100000.0 / (500 * (p.security_number + 1))
first_market = Market.objects.filter(product=p).get(market_number=1)
try:
lmsr = LMSR.objects.get(product=p)
player_number = Participation.objects.filter(
market__product=p).count()
if Market.objects.filter(product=p).count() == 1:
if player_number >= 20:
'''market make'''
new_market = Market(product=p,
open_time=p.open_time,
close_time=p.close_time,
name=p.name,
market_number=2,
name_setting=True)
new_market.save()
new_securityprice = SecurityPrice(market=new_market,
price=[],
amount=[])
new_securityprice.save()
new_pricehistory = PriceHistory(product=p,
data=[],
number=2)
new_pricehistory.save()
p.market_number = 2
for security in first_market.security_set.all():
new_security = Security(
market=new_market,
product_name=security.product_name,
attributes=security.attributes,
attribute_name=security.attribute_name,
selling_price=security.selling_price,
number=security.number,
gross_margin=500)
new_security.save()
elif player_number > 10:
p.player_number = player_number
lmsr.b = stock * p.player_number / math.log(
(1.0 - 1.0 / p.security_number) / (1.0 - 0.99))
lmsr.save()
else:
pass
elif Market.objects.filter(product=p).count() == 2:
if player_number >= 40:
'''market make'''
new_market = Market(product=p,
open_time=p.open_time,
close_time=p.close_time,
name=p.name,
market_number=3,
name_setting=True)
new_market.save()
new_securityprice = SecurityPrice(market=new_market,
price=[],
amount=[])
new_securityprice.save()
new_pricehistory = PriceHistory(product=p,
data=[],
number=3)
new_pricehistory.save()
p.market_number = 3
for security in first_market.security_set.all():
new_security = Security(
market=new_market,
product_name=security.product_name,
attributes=security.attributes,
attribute_name=security.attribute_name,
selling_price=security.selling_price,
number=security.number,
gross_margin=500)
new_security.save()
elif player_number > 21:
p.player_number = player_number
lmsr.b = stock * p.player_number / math.log(
(1.0 - 1.0 / p.security_number) / (1.0 - 0.99))
lmsr.save()
else:
pass
else:
pass
except LMSR.DoesNotExist:
lmsr = LMSR(product=p)
lmsr.P0 = 500
lmsr.b = stock * p.player_number / math.log(
(1.0 - 1.0 / p.security_number) / (1.0 - 0.99))
lmsr.save()
securities = Security.objects.filter(market=first_market)
for s in securities:
s.gross_margin = 500
s.save()
markets = Market.objects.filter(product=p)
markets.update(open_time=p.open_time)
markets.update(close_time=p.close_time)
start_price = [round(lmsr.P0 / p.security_number, 2)
] * p.security_number
amount = [0] * p.security_number
start_rate = [round(1.0 / p.security_number * 0.5 + 0.5, 2)
] * p.security_number
data = copy.copy(start_rate)
data.insert(0, int(time.mktime(p.open_time.timetuple())) * 1000)
ph = PriceHistory.objects.filter(product=p, is_open=True)
ph.update(is_open=False)
for m in markets:
securityprice = SecurityPrice.objects.get(market=m)
securityprice.price = start_price
securityprice.amount = amount
securityprice.sale_rate = start_rate
securityprice.save()
pricehistory = PriceHistory(product=p,
data=[data],
number=m.market_number,
is_open=True)
pricehistory.save()
p.cost_setting = True
p.save()
