def place_order_function(new_order: NewOrder):
assert (isinstance(new_order, NewOrder))
if new_order.is_sell:
pay_token = self.token_sell().address
buy_token = self.token_buy().address
else:
pay_token = self.token_buy().address
buy_token = self.token_sell().address
transact = self.otc.make(pay_token=pay_token,
pay_amount=new_order.pay_amount,
buy_token=buy_token,
buy_amount=new_order.buy_amount).transact(
gas_price=self.gas_price)
if transact is not None and transact.successful and transact.result is not None:
return Order(market=self.otc,
order_id=transact.result,
maker=self.our_address,
pay_token=pay_token,
pay_amount=new_order.pay_amount,
buy_token=buy_token,
buy_amount=new_order.buy_amount,
timestamp=0)
else:
return None
def apply_take(self, order_book: List[Order], log_take: LogTake):
this_order = next(
filter(lambda order: order.order_id == log_take.order_id,
order_book), None)
if this_order is not None:
assert this_order.pay_token == log_take.pay_token
assert this_order.buy_token == log_take.buy_token
remaining_orders = list(
filter(lambda order: order.order_id != log_take.order_id,
order_book))
this_order = Order(
self.otc,
order_id=this_order.order_id,
pay_amount=this_order.pay_amount - log_take.take_amount,
pay_token=this_order.pay_token,
buy_amount=this_order.buy_amount - log_take.give_amount,
buy_token=this_order.buy_token,
maker=this_order.maker,
timestamp=this_order.timestamp)
if this_order.pay_amount > Wad(0) and this_order.buy_amount > Wad(
0):
return remaining_orders + [this_order]
else:
return remaining_orders
else:
return order_book
def apply_make(self, order_book: List[Order], log_make: LogMake) -> List[Order]:
return order_book + [Order(self.otc,
order_id=log_make.order_id,
pay_amount=log_make.pay_amount,
pay_token=log_make.pay_token,
buy_amount=log_make.buy_amount,
buy_token=log_make.buy_token,
maker=log_make.maker,
timestamp=log_make.timestamp)]
def place_order_function(self, new_order: NewOrder):
assert(isinstance(new_order, NewOrder))
if new_order.is_sell:
buy_or_sell = "SELL"
pay_token = self.token_sell.address
buy_token = self.token_buy.address
new_order.buy_amount = self.buy_token.unnormalize_amount(new_order.buy_amount)
b_token = self.buy_token
p_token = self.sell_token
new_order.pay_amount = self.sell_token.unnormalize_amount(new_order.pay_amount)
token_name = self.sell_token.name
quote_token = self.buy_token.name
else:
buy_or_sell = "BUY"
pay_token = self.token_buy.address
buy_token = self.token_sell.address
new_order.pay_amount = self.buy_token.unnormalize_amount(new_order.pay_amount)
p_token = self.buy_token
b_token = self.sell_token
new_order.buy_amount = self.sell_token.unnormalize_amount(new_order.buy_amount)
token_name = self.sell_token.name
quote_token = self.buy_token.name
transact = self.otc.make(p_token=p_token, pay_amount=new_order.pay_amount,
b_token=b_token, buy_amount=new_order.buy_amount).transact(gas_price=self.gas_price)
if new_order.is_sell:
new_order.buy_amount = self.buy_token.normalize_amount(new_order.buy_amount)
new_order.pay_amount = self.sell_token.normalize_amount(new_order.pay_amount)
buy_or_sell_price = new_order.buy_amount/new_order.pay_amount
amount = new_order.pay_amount
else:
new_order.pay_amount = self.buy_token.normalize_amount(new_order.pay_amount)
new_order.buy_amount = self.sell_token.normalize_amount(new_order.buy_amount)
buy_or_sell_price = new_order.pay_amount/new_order.buy_amount
amount = new_order.buy_amount
if transact is not None and transact.successful and transact.result is not None:
self.logger.info(f'Placing {buy_or_sell} order of amount {amount} {token_name} @ price {buy_or_sell_price} {quote_token}')
self.logger.info(f'Placing {buy_or_sell} order pay token: {p_token.name} with amount: {new_order.pay_amount}, buy token: {b_token.name} with amount: {new_order.buy_amount}')
return Order(market=self.otc,
order_id=transact.result,
maker=self.our_address,
pay_token=pay_token,
pay_amount=new_order.pay_amount,
buy_token=buy_token,
buy_amount=new_order.buy_amount,
timestamp=0)
else:
return None