def main(self):
with Lifecycle(self.web3) as lifecycle:
lifecycle.initial_delay(10)
lifecycle.on_startup(self.startup)
lifecycle.on_block(self.synchronize_orders)
lifecycle.on_shutdown(self.shutdown)
def test_should_take_over_order_from_adjacent_band_when_price_changes(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.two_adjacent_bands_config(tmpdir)
# and
keeper = OasisMarketMakerKeeper(args=args(f"--eth-from {deployment.our_address} "
f"--tub-address {deployment.tub.address} "
f"--oasis-address {deployment.otc.address} "
f"--buy-token-address {deployment.sai.address} "
f"--sell-token-address {deployment.gem.address} "
f"--price-feed tub "
f"--config {config_file}"),
web3=deployment.web3)
keeper.lifecycle = Lifecycle(web3=keeper.web3)
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# when
keeper.approve()
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
# and
assert self.orders_sorted(deployment.otc.get_orders())[0].maker == deployment.our_address
assert self.orders_sorted(deployment.otc.get_orders())[0].pay_amount == Wad.from_number(7.5)
assert self.orders_sorted(deployment.otc.get_orders())[0].pay_token == deployment.gem.address
assert self.orders_sorted(deployment.otc.get_orders())[0].buy_amount == Wad.from_number(780)
assert self.orders_sorted(deployment.otc.get_orders())[0].buy_token == deployment.sai.address
# and
assert self.orders_sorted(deployment.otc.get_orders())[1].maker == deployment.our_address
assert self.orders_sorted(deployment.otc.get_orders())[1].pay_amount == Wad.from_number(9.5)
assert self.orders_sorted(deployment.otc.get_orders())[1].pay_token == deployment.gem.address
assert self.orders_sorted(deployment.otc.get_orders())[1].buy_amount == Wad.from_number(1026)
assert self.orders_sorted(deployment.otc.get_orders())[1].buy_token == deployment.sai.address
# when
self.set_price(deployment, Wad.from_number(96))
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
# and
# ...new order in the <0.02,0.06> band gets created
assert self.orders_sorted(deployment.otc.get_orders())[0].maker == deployment.our_address
assert self.orders_sorted(deployment.otc.get_orders())[0].pay_amount == Wad.from_number(7.5)
assert self.orders_sorted(deployment.otc.get_orders())[0].pay_token == deployment.gem.address
assert self.orders_sorted(deployment.otc.get_orders())[0].buy_amount == Wad.from_number(748.8)
assert self.orders_sorted(deployment.otc.get_orders())[0].buy_token == deployment.sai.address
# and
# ...the order from <0.02,0.06> ends up in the <0.06,0.10> band
assert self.orders_sorted(deployment.otc.get_orders())[1].maker == deployment.our_address
assert self.orders_sorted(deployment.otc.get_orders())[1].pay_amount == Wad.from_number(7.5)
assert self.orders_sorted(deployment.otc.get_orders())[1].pay_token == deployment.gem.address
assert self.orders_sorted(deployment.otc.get_orders())[1].buy_amount == Wad.from_number(780)
assert self.orders_sorted(deployment.otc.get_orders())[1].buy_token == deployment.sai.address
