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xmrauctions/sales/tasks/payments.py

128 lines
5.4 KiB
Python

import logging
from decimal import Decimal
from huey import crontab
from huey.contrib.djhuey import periodic_task
from django.conf import settings
from core.monero import AuctionWallet
from sales.models import ItemSale
logger = logging.getLogger('django.server')
@periodic_task(crontab(minute='*/3'))
def poll_for_buyer_escrow_payments():
aw = AuctionWallet()
if aw.connected is False:
logging.error('[ERROR] Auction wallet is not connected. Quitting.')
return False
item_sales = ItemSale.objects.filter(payment_received=False)
for sale in item_sales:
logger.info(f'[INFO] Polling escrow address #{sale.escrow_account_index} for sale #{sale.id} for new funds.')
sale_account = aw.wallet.accounts[sale.escrow_account_index]
unlocked = sale_account.balances()[1]
sale.received_payment_xmr = unlocked
if unlocked >= Decimal(str(sale.expected_payment_xmr)):
logger.info(f'[INFO] Found payment of {sale.received_payment_xmr} XMR for sale #{sale.id}.')
sale.payment_received = True
sale.save()
@periodic_task(crontab(minute='*/3'))
def pay_sellers_on_sold_items():
aw = AuctionWallet()
if aw.connected is False:
logging.error('[ERROR] Auction wallet is not connected. Quitting.')
return False
item_sales = ItemSale.objects.filter(item_received=True, payment_received=True).filter(seller_paid=False)
for sale in item_sales:
# Take platform fees from the sale - the 50:50 split between buyer/seller
sale_total = sale.agreed_price_xmr - sale.platform_fee_xmr
sale_account = aw.wallet.accounts[sale.escrow_account_index]
if sale_account.balances()[1] >= Decimal(str(sale.agreed_price_xmr)):
try:
# Construct a transaction so we can get current fee and subtract from the total
_tx = sale_account.transfer(
sale.item.payout_address, Decimal(.01), relay=False
)
new_total = sale_total - float(_tx[0].fee)
logger.info(f'[INFO] Sending {new_total} XMR from wallet account #{sale.escrow_account_index} to item owner\'s payout address for sale #{sale.id}.')
# Make the transaction with network fee removed
tx = sale_account.transfer(
sale.item.payout_address, new_total, relay=True
)
sale.network_fee_xmr = _tx[0].fee
sale.seller_payout_transaction = tx[0]
sale.seller_paid = True
sale.escrow_complete = True
sale.save()
except Exception as e:
logger.error(f'[ERROR] Unable to pay seller for sale #{sale.id}: ')
else:
logger.warning(f'[WARNING] Not enough unlocked funds available in account #{sale.escrow_account_index} for sale #{sale.id}.')
if sale.seller_paid and sale.seller_notified_of_payout is False:
email_template = EmailTemplate(
item=sale,
scenario='sale_completed',
role='seller'
)
sent = email_template.send()
sale.seller_notified_of_payout = True
sale.save()
@periodic_task(crontab(minute='*/30'))
def pay_platform_on_sold_items():
aw = AuctionWallet()
if aw.connected is False:
logging.error('[ERROR] Auction wallet is not connected. Quitting.')
return False
aof = settings.PLATFORM_WALLET_ADDRESS
if aof is None:
aof = str(aw.wallet.accounts[0].address())
item_sales = ItemSale.objects.filter(escrow_complete=True, seller_paid=True, item_received=True).filter(platform_paid=False)
for sale in item_sales:
logger.info(f'[INFO] Paying platform fees for sale #{sale.id} to wallet {aof}.')
sale_account = aw.wallet.accounts[sale.escrow_account_index]
bal = sale_account.balances()[1]
if bal >= 0:
try:
if settings.PLATFORM_FEE_PERCENT > 0:
logger.info(f'[INFO] Getting platform fees of {bal} XMR')
sale_account.sweep_all(aof)
else:
logging.info('No platform fees are set - proceeding without taking fees.')
sale.platform_paid = True
sale.sale_finalized = True
sale.save()
return True
except Exception as e:
logger.error(f'[ERROR] Unable to pay platform for sale #{sale.id} - trying again')
else:
logger.warning(f'[WARNING] Not enough unlocked funds available in account #{sale.escrow_account_index} for sale #{sale.id}.')
@periodic_task(crontab(minute='*'))
def closed_cancelled_sales():
aw = AuctionWallet()
if aw.connected is False:
logging.error('[ERROR] Auction wallet is not connected. Quitting.')
return False
item_sales = ItemSale.objects.filter(sale_cancelled=True)
for sale in item_sales:
logger.info(f'[INFO] Deleting sale #{sale.id} and transferring back any sent funds to the buyer.')
sale_account = aw.wallet.accounts[sale.escrow_account_index]
if sale_account.balances()[0] > Decimal(0.0):
try:
sale_account.sweep_all(sale.bid.return_address)
sale.delete()
except Exception as e:
logger.error(f'[ERROR] Unable to return funds to use for sale #{sale.id}.')
else:
sale.delete()