def DEN_exchange(w3, exchange_abi, factory, DEN_token):
factory.createExchange(DEN_token.address, transact={})
exchange_address = factory.getExchange(DEN_token.address)
exchange = ConciseContract(
w3.eth.contract(address=exchange_address, abi=exchange_abi))
DEN_token.approve(exchange_address, DEN_RESERVE, transact={})
exchange.addLiquidity(0,
DEN_RESERVE,
DEADLINE,
transact={'value': ETH_RESERVE})
return exchange
def HAY_exchange(w3, exchange_abi, factory, HAY_token):
factory.createExchange(HAY_token.address, transact={})
exchange_address = factory.getExchange(HAY_token.address)
exchange = ConciseContract(
w3.eth.contract(address=exchange_address, abi=exchange_abi))
HAY_token.approve(exchange_address, HAY_RESERVE, transact={})
exchange.addLiquidity(0,
HAY_RESERVE,
DEADLINE,
transact={'value': ETH_RESERVE})
print('exchange.totalSupply()')
print(exchange.totalSupply())
return exchange
