def test_should_reload_config_file_if_changed(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.with_variables_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()) == 1
# when
second_config_file = BandConfig.sample_config(tmpdir)
shutil.copyfile(second_config_file, config_file)
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
def test_should_not_create_orders_if_bands_overlap(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.bands_overlapping_invalid_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))
# and
keeper.approve()
# when
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 0
def test_should_use_specified_gas_price_for_all_transactions(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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} "
f"--gas-price 70000000000"),
web3=deployment.web3)
keeper.lifecycle = Lifecycle(web3=keeper.web3)
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# and
start_block_number = deployment.web3.eth.blockNumber
# when
keeper.approve()
self.synchronize_orders_twice(keeper)
keeper.shutdown()
# then
for block_number in range(start_block_number+1, deployment.web3.eth.blockNumber+1):
for transaction in deployment.web3.eth.getBlock(block_number, full_transactions=True).transactions:
assert transaction.gasPrice == 70000000000
def test_should_support_config_files_with_variables(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.with_variables_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()) == 1
# and
assert self.orders_by_token(deployment, deployment.gem)[0].maker == deployment.our_address
assert self.orders_by_token(deployment, deployment.gem)[0].pay_amount == Wad.from_number(5.0)
assert self.orders_by_token(deployment, deployment.gem)[0].pay_token == deployment.gem.address
assert self.orders_by_token(deployment, deployment.gem)[0].buy_amount == Wad.from_number(520)
assert self.orders_by_token(deployment, deployment.gem)[0].buy_token == deployment.sai.address
def test_should_cancel_orders_if_price_disappears(self, tmpdir):
# given
config = BandConfig.sample_config(tmpdir)
bands = self.create_bands(config)
# and
buy_order = FakeOrder(Wad.from_number(75), Wad.from_number(96))
sell_order = FakeOrder(Wad.from_number(7.5), Wad.from_number(208))
# when
price = Price(buy_price=Wad.from_number(100), sell_price=Wad.from_number(200))
orders_to_cancel = bands.cancellable_orders([buy_order], [sell_order], price)
# then
assert(orders_to_cancel == [])
# when
price = Price(buy_price=Wad.from_number(100), sell_price=None)
orders_to_cancel = bands.cancellable_orders([buy_order], [sell_order], price)
# then
assert(orders_to_cancel == [sell_order])
# when
price = Price(buy_price=None, sell_price=Wad.from_number(200))
orders_to_cancel = bands.cancellable_orders([buy_order], [sell_order], price)
# then
assert(orders_to_cancel == [buy_order])
# when
price = Price(buy_price=None, sell_price=None)
orders_to_cancel = bands.cancellable_orders([buy_order], [sell_order], price)
# then
assert(orders_to_cancel == [buy_order, sell_order])
def test_should_not_create_any_orders_but_not_terminate_if_eth_balance_before_minimum(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} "
f"--min-eth-balance 100.0"),
web3=deployment.web3)
keeper.lifecycle = Lifecycle(web3=keeper.web3)
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# and
self.leave_only_some_eth(deployment, Wad.from_number(10.0)) # there is a 5.0 ETH block reward even in testrpc,
# that's why `--min-eth-balance` is higher than 10
# when
keeper.approve()
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 0
assert not keeper.lifecycle.terminated_internally
def test_should_not_cancel_anything_if_no_orders_to_cancel_regardless_of_price_availability(self, tmpdir):
# given
config = BandConfig.sample_config(tmpdir)
bands = self.create_bands(config)
# when
price = Price(buy_price=Wad.from_number(100), sell_price=Wad.from_number(200))
orders_to_cancel = bands.cancellable_orders([], [], price)
# then
assert(orders_to_cancel == [])
# when
price = Price(buy_price=Wad.from_number(100), sell_price=None)
orders_to_cancel = bands.cancellable_orders([], [], price)
# then
assert(orders_to_cancel == [])
# when
price = Price(buy_price=None, sell_price=Wad.from_number(200))
orders_to_cancel = bands.cancellable_orders([], [], price)
# then
assert(orders_to_cancel == [])
# when
price = Price(buy_price=None, sell_price=None)
orders_to_cancel = bands.cancellable_orders([], [], price)
# then
assert(orders_to_cancel == [])
def test_should_cancel_all_orders_but_not_terminate_if_market_gets_closed(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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
# when
deployment.otc._contract.transact().stop()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 0
assert not keeper.lifecycle.terminated_internally
def test_should_place_extra_order_only_if_order_brought_below_min(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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))
# and
keeper.approve()
self.synchronize_orders_twice(keeper)
assert len(deployment.otc.get_orders()) == 2
sai_order_id = self.orders_by_token(deployment, deployment.sai)[0].order_id
# when
deployment.otc.take(sai_order_id, Wad.from_number(20)).transact()
# and
keeper.order_book_manager.wait_for_order_book_refresh()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
# when
deployment.otc.take(sai_order_id, Wad.from_number(5)).transact()
# and
keeper.order_book_manager.wait_for_order_book_refresh()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
# when
deployment.otc.take(sai_order_id, Wad.from_number(1)).transact()
# and
keeper.order_book_manager.wait_for_order_book_refresh()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 3
assert deployment.otc.get_orders()[2].pay_amount == Wad.from_number(26)
assert deployment.otc.get_orders()[2].pay_token == deployment.sai.address
assert deployment.otc.get_orders()[2].buy_amount == Wad(270833333333333333)
assert deployment.otc.get_orders()[2].buy_token == deployment.gem.address
def test_should_not_create_orders_if_neither_buy_nor_sell_price_available(self, tmpdir):
# given
config = BandConfig.sample_config(tmpdir)
bands = self.create_bands(config)
# when
price = Price(buy_price=None, sell_price=None)
new_orders, _, _ = bands.new_orders([], [], Wad.from_number(1000000), Wad.from_number(1000000), price)
# then
assert(new_orders == [])
def test_should_cancel_selected_sell_orders_to_bring_the_band_total_below_max_and_closest_to_it(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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))
# and
keeper.approve()
self.synchronize_orders_twice(keeper)
assert len(deployment.otc.get_orders()) == 2
# when [7.5+2.0 = 9.5]
deployment.otc.make(deployment.gem.address, Wad.from_number(2), deployment.sai.address, Wad.from_number(208)).transact()
# and
keeper.order_book_manager.wait_for_order_book_refresh()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 3
# when [9.5+0.5 = 10]
deployment.otc.make(deployment.gem.address, Wad.from_number(0.5), deployment.sai.address, Wad.from_number(52)).transact()
# and
keeper.order_book_manager.wait_for_order_book_refresh()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 4
# when [10+0.1 = 10.1] --> above max!
deployment.otc.make(deployment.gem.address, Wad.from_number(0.1), deployment.sai.address, Wad.from_number(10.4)).transact()
# and
keeper.order_book_manager.wait_for_order_book_refresh()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 4
assert reduce(Wad.__add__, map(lambda order: order.pay_amount, self.orders_by_token(deployment, deployment.gem)), Wad(0)) \
== Wad.from_number(10.0)
def test_should_create_only_sell_orders_if_only_sell_price_is_available(self, tmpdir):
# given
config = BandConfig.sample_config(tmpdir)
bands = self.create_bands(config)
# when
price = Price(buy_price=None, sell_price=Wad.from_number(200))
new_orders, _, _ = bands.new_orders([], [], Wad.from_number(1000000), Wad.from_number(1000000), price)
# then
assert(len(new_orders) == 1)
assert(new_orders[0].is_sell is True)
assert(new_orders[0].price == Wad.from_number(208))
def test_should_cancel_selected_sell_orders_to_bring_the_band_total_below_max_and_closest_to_it(
self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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"--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))
# and
keeper.approve()
self.synchronize_orders_twice(keeper)
assert len(deployment.otc.get_orders()) == 2
# when [7.5+2.0 = 9.5]
deployment.otc.make(deployment.gem.address,
Wad.from_number(2), deployment.sai.address,
Wad.from_number(208)).transact()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 3
# when [9.5+0.5 = 10]
deployment.otc.make(deployment.gem.address,
Wad.from_number(0.5), deployment.sai.address,
Wad.from_number(52)).transact()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 4
# when [10+0.1 = 10.1] --> above max!
deployment.otc.make(deployment.gem.address,
Wad.from_number(0.1), deployment.sai.address,
Wad.from_number(10.4)).transact()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 4
assert reduce(Wad.__add__, map(lambda order: order.pay_amount, self.orders_by_token(deployment, deployment.gem)), Wad(0)) \
== Wad.from_number(10.0)
def test_should_create_both_buy_and_sell_orders_when_rules_allows_it(self, tmpdir):
config = BandConfig.sample_config(tmpdir)
bands = self.create_bands(config)
price = Price(buy_price=Wad.from_number(100.01), sell_price=Wad.from_number(200.03))
new_orders, _, _ = bands.new_orders([], [], Wad.from_number(1000000), Wad.from_number(1000000), price)
assert(len(new_orders) == 2)
assert(new_orders[0].is_sell is False)
assert(new_orders[0].amount == Wad.from_number(0.78117))
assert(new_orders[0].price == Wad.from_number(96.01))
assert(new_orders[1].is_sell is True)
assert(new_orders[1].price == Wad.from_number(208.03))
assert(new_orders[1].amount == Wad.from_number(7.5))
def test_should_create_orders_on_startup(self, deployment: Deployment,
tmpdir):
# given
config_file = BandConfig.sample_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"--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_by_token(
deployment, deployment.sai)[0].maker == deployment.our_address
assert self.orders_by_token(
deployment, deployment.sai)[0].pay_amount == Wad.from_number(75)
assert self.orders_by_token(
deployment, deployment.sai)[0].pay_token == deployment.sai.address
assert self.orders_by_token(
deployment,
deployment.sai)[0].buy_amount == Wad.from_number(0.78125)
assert self.orders_by_token(
deployment, deployment.sai)[0].buy_token == deployment.gem.address
# and
assert self.orders_by_token(
deployment, deployment.gem)[0].maker == deployment.our_address
assert self.orders_by_token(
deployment, deployment.gem)[0].pay_amount == Wad.from_number(7.5)
assert self.orders_by_token(
deployment, deployment.gem)[0].pay_token == deployment.gem.address
assert self.orders_by_token(
deployment, deployment.gem)[0].buy_amount == Wad.from_number(780)
assert self.orders_by_token(
deployment, deployment.gem)[0].buy_token == deployment.sai.address
def test_should_reload_config_file_if_changed(self, deployment: Deployment,
tmpdir):
# given
config_file = BandConfig.with_variables_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()) == 1
# when
second_config_file = BandConfig.sample_config(tmpdir)
shutil.copyfile(second_config_file, config_file)
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
def test_should_cancel_the_only_buy_order_and_place_a_new_one_if_above_max(
self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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))
# and
keeper.approve()
# and
# [one artificially created order above the max band threshold]
deployment.otc.make(deployment.sai.address,
Wad.from_number(170), deployment.gem.address,
Wad.from_number(1.770805)).transact()
# and
keeper.order_book_manager.wait_for_order_book_refresh()
# when
self.synchronize_orders_twice(keeper)
# then
# [the artificial order gets cancelled, a new one gets created instead]
assert len(deployment.otc.get_orders()) == 2
assert self.orders_by_token(
deployment, deployment.sai)[0].maker == deployment.our_address
assert self.orders_by_token(
deployment, deployment.sai)[0].pay_amount == Wad.from_number(75)
assert self.orders_by_token(
deployment, deployment.sai)[0].pay_token == deployment.sai.address
assert self.orders_by_token(
deployment,
deployment.sai)[0].buy_amount == Wad.from_number(0.78125)
assert self.orders_by_token(
deployment, deployment.sai)[0].buy_token == deployment.gem.address
def test_should_create_only_sell_orders_if_only_sell_price_is_available(
self, tmpdir):
# given
config = BandConfig.sample_config(tmpdir)
bands = self.create_bands(config)
# when
price = Price(buy_price=None, sell_price=Wad.from_number(200))
new_orders, _, _ = bands.new_orders([], [], Wad.from_number(1000000),
Wad.from_number(1000000), price)
# then
assert (len(new_orders) == 1)
assert (new_orders[0].is_sell is True)
assert (new_orders[0].price == Wad.from_number(208))
def test_should_cancel_all_orders_but_not_terminate_if_config_file_becomes_invalid(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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 eth_dai-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
# when
second_config_file = BandConfig.bands_overlapping_invalid_config(tmpdir)
shutil.copyfile(second_config_file, config_file)
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 0
assert not keeper.lifecycle.terminated_internally
def test_should_cancel_all_orders_outside_bands(self,
deployment: Deployment,
tmpdir):
# given
config_file = BandConfig.sample_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))
# and
keeper.approve()
self.synchronize_orders_twice(keeper)
assert len(deployment.otc.get_orders()) == 2
# when
deployment.otc.make(
deployment.sai.address, Wad.from_number(5), deployment.gem.address,
Wad.from_number(0.0538)).transact() #price=92.936802973977695
deployment.otc.make(deployment.sai.address,
Wad.from_number(5), deployment.gem.address,
Wad.from_number(0.0505)).transact() #price=99.0
deployment.otc.make(deployment.gem.address,
Wad.from_number(0.5), deployment.sai.address,
Wad.from_number(50.5)).transact() #price=101
deployment.otc.make(deployment.gem.address,
Wad.from_number(0.5), deployment.sai.address,
Wad.from_number(53.5)).transact() #price=107
assert len(deployment.otc.get_orders()) == 6
# and
keeper.order_book_manager.wait_for_order_book_refresh()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
def test_should_place_extra_order_only_if_order_brought_below_min(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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"--config {config_file}"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# and
keeper.approve()
self.synchronize_orders_twice(keeper)
assert len(deployment.otc.get_orders()) == 2
sai_order_id = self.orders_by_token(deployment, deployment.sai)[0].order_id
# when
deployment.otc.take(sai_order_id, Wad.from_number(20)).transact()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
# when
deployment.otc.take(sai_order_id, Wad.from_number(5)).transact()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
# when
deployment.otc.take(sai_order_id, Wad.from_number(1)).transact()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 3
assert deployment.otc.get_orders()[2].pay_amount == Wad.from_number(26)
assert deployment.otc.get_orders()[2].pay_token == deployment.sai.address
assert deployment.otc.get_orders()[2].buy_amount == Wad(270833333333333333)
assert deployment.otc.get_orders()[2].buy_token == deployment.gem.address
def test_should_refuse_to_start_if_eth_reserve_lower_than_min_eth_balance(
self, deployment: Deployment, tmpdir: py.path.local):
# given
config_file = BandConfig.two_adjacent_bands_config(tmpdir)
# expect
with pytest.raises(
Exception,
match="--eth-reserve must be higher than --min-eth-balance"):
EtherDeltaMarketMakerKeeper(args=args(
f"--eth-from {deployment.our_address} --config {config_file}"
f" --tub-address {deployment.tub.address}"
f" --etherdelta-address {deployment.etherdelta.address}"
f" --etherdelta-socket https://127.0.0.1:99999/"
f" --order-age 3600 --eth-reserve 99.9"
f" --min-eth-balance 100.0"
f" --min-eth-deposit 1 --min-sai-deposit 400"),
web3=deployment.web3)
def test_should_support_config_files_with_variables(
self, deployment: Deployment, tmpdir: py.path.local):
# given
config_file = BandConfig.with_variables_config(tmpdir)
# and
keeper = EtherDeltaMarketMakerKeeper(args=args(
f"--eth-from {deployment.our_address} --config {config_file}"
f" --tub-address {deployment.tub.address}"
f" --etherdelta-address {deployment.etherdelta.address}"
f" --etherdelta-socket https://127.0.0.1:99999/"
f" --order-age 3600 --eth-reserve 10"
f" --min-eth-deposit 1 --min-sai-deposit 400"
f" --cancel-on-shutdown --withdraw-on-shutdown"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
keeper.etherdelta_api.publish_order = MagicMock()
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# when
keeper.approve()
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
# then
assert len(self.orders(keeper)) == 1
# and
assert self.orders_by_token(
keeper, EtherDelta.ETH_TOKEN)[0].maker == deployment.our_address
assert self.orders_by_token(
keeper, EtherDelta.ETH_TOKEN)[0].pay_amount == Wad.from_number(5.0)
assert self.orders_by_token(
keeper, EtherDelta.ETH_TOKEN)[0].pay_token == EtherDelta.ETH_TOKEN
assert self.orders_by_token(
keeper, EtherDelta.ETH_TOKEN)[0].buy_amount == Wad.from_number(520)
assert self.orders_by_token(
keeper,
EtherDelta.ETH_TOKEN)[0].buy_token == deployment.sai.address
def test_should_cancel_all_orders_but_not_terminate_if_eth_balance_before_minimum(
self, deployment: Deployment, tmpdir: py.path.local):
# given
config_file = BandConfig.two_adjacent_bands_config(tmpdir)
# and
keeper = EtherDeltaMarketMakerKeeper(args=args(
f"--eth-from {deployment.our_address} --config {config_file}"
f" --tub-address {deployment.tub.address}"
f" --etherdelta-address {deployment.etherdelta.address}"
f" --etherdelta-socket https://127.0.0.1:99999/"
f" --order-age 3600 --eth-reserve 200"
f" --min-eth-balance 100.0"
f" --min-eth-deposit 1 --min-sai-deposit 400"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
keeper.etherdelta_api.publish_order = MagicMock()
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# when
keeper.approve()
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
# then
assert len(self.orders(keeper)) == 2
# when
self.leave_only_some_eth(deployment, Wad.from_number(
10.0)) # there is a 5.0 ETH block reward even in testrpc,
# that's why `--min-eth-balance` is higher than 10
# and
keeper.synchronize_orders()
# then
assert len(self.orders(keeper)) == 0
assert not keeper.lifecycle.terminated_internally
def test_new_sell_orders_maker_amount_fail_case(tmpdir):
bands_file = BandConfig.sample_config_dif_margins(tmpdir)
bands_config = ReloadableConfig(str(bands_file))
airswap_bands = AirswapBands.read(bands_config, EmptyFeed(), FixedFeed({'canBuy': True, 'canSell': True}), History())
maker_amount = Wad(106200000000000000000)
taker_amount = Wad(0)
our_sell_balance = Wad(1562000000000000000)
sell_limit = Wad(1562000000000000000000)
target_price = WebSocketPriceFeed(FakeFeed({"buyPrice": "120", "sellPrice": "130"})).get_price()
new_order = airswap_bands._new_side_orders('sell',
maker_amount,
taker_amount,
our_sell_balance,
sell_limit,
airswap_bands.sell_bands[0],
target_price.sell_price)
assert new_order == {}
def test_should_create_both_buy_and_sell_orders_if_both_prices_are_available(
self, tmpdir):
# given
config = BandConfig.sample_config(tmpdir)
bands = self.create_bands(config)
# when
price = Price(buy_price=Wad.from_number(100),
sell_price=Wad.from_number(200))
new_orders, _, _ = bands.new_orders([], [], Wad.from_number(1000000),
Wad.from_number(1000000), price)
# then
assert (len(new_orders) == 2)
assert (new_orders[0].is_sell is False)
assert (new_orders[0].price == Wad.from_number(96))
assert (new_orders[0].amount == Wad.from_number(0.78125))
assert (new_orders[1].is_sell is True)
assert (new_orders[1].price == Wad.from_number(208))
assert (new_orders[1].amount == Wad.from_number(7.5))
def test_should_cancel_orders_on_shutdown_and_withdraw_if_asked_to_do_so(
self, deployment: Deployment, tmpdir: py.path.local):
# given
config_file = BandConfig.sample_config(tmpdir)
# and
keeper = EtherDeltaMarketMakerKeeper(args=args(
f"--eth-from {deployment.our_address} --config {config_file}"
f" --tub-address {deployment.tub.address}"
f" --etherdelta-address {deployment.etherdelta.address}"
f" --etherdelta-socket https://127.0.0.1:99999/"
f" --order-age 3600 --eth-reserve 10"
f" --min-eth-deposit 1 --min-sai-deposit 400"
f" --cancel-on-shutdown --withdraw-on-shutdown"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
keeper.etherdelta_api.publish_order = MagicMock()
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# and
keeper.approve()
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
assert len(self.orders(keeper)) == 2
# when
keeper.shutdown()
# then
assert len(self.orders(keeper)) == 0
# and
assert deployment.etherdelta.balance_of(
deployment.our_address) == Wad(0)
assert deployment.etherdelta.balance_of_token(
deployment.sai.address, deployment.our_address) == Wad(0)
def test_should_cancel_all_orders_but_not_terminate_if_eth_balance_below_minimum(
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} "
f"--min-eth-balance 100.0"),
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
# when
self.leave_only_some_eth(deployment, Wad.from_number(
10.0)) # there is a 5.0 ETH block reward even in testrpc,
# that's why `--min-eth-balance` is higher than 10
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 0
assert not keeper.lifecycle.terminated_internally
def test_should_use_specified_gas_price_for_all_transactions(
self, deployment: Deployment, tmpdir: py.path.local):
# given
config_file = BandConfig.sample_config(tmpdir)
# and
keeper = EtherDeltaMarketMakerKeeper(args=args(
f"--eth-from {deployment.our_address} --config {config_file}"
f" --tub-address {deployment.tub.address}"
f" --etherdelta-address {deployment.etherdelta.address}"
f" --etherdelta-socket https://127.0.0.1:99999/"
f" --order-age 3600 --eth-reserve 10"
f" --min-eth-deposit 1 --min-sai-deposit 400"
f" --cancel-on-shutdown"
f" --gas-price 69000000000"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
keeper.etherdelta_api.publish_order = MagicMock()
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# and
start_block_number = deployment.web3.eth.blockNumber
# when
keeper.approve()
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
keeper.shutdown()
# then
for block_number in range(start_block_number + 1,
deployment.web3.eth.blockNumber + 1):
for transaction in deployment.web3.eth.getBlock(
block_number, full_transactions=True).transactions:
assert transaction.gasPrice == 69000000000
def test_should_create_orders_in_multiple_bands(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 eth_dai-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
def test_should_support_config_files_with_variables(
self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.with_variables_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()) == 1
# and
assert self.orders_by_token(
deployment, deployment.gem)[0].maker == deployment.our_address
assert self.orders_by_token(
deployment, deployment.gem)[0].pay_amount == Wad.from_number(5.0)
assert self.orders_by_token(
deployment, deployment.gem)[0].pay_token == deployment.gem.address
assert self.orders_by_token(
deployment, deployment.gem)[0].buy_amount == Wad.from_number(520)
assert self.orders_by_token(
deployment, deployment.gem)[0].buy_token == deployment.sai.address
def test_should_fail_to_operate_if_bands_overlap(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.bands_overlapping_invalid_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"--config {config_file}"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# and
keeper.approve()
# expect
with pytest.raises(Exception):
self.synchronize_orders_twice(keeper)
def test_should_cancel_the_only_sell_order_and_place_a_new_one_if_above_max(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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))
# and
keeper.approve()
# and
# [one artificially created order above the max band threshold]
deployment.otc.make(deployment.gem.address, Wad.from_number(20), deployment.sai.address, Wad.from_number(2080)).transact()
# and
keeper.order_book_manager.wait_for_order_book_refresh()
# when
self.synchronize_orders_twice(keeper)
# then
# [the artificial order gets cancelled, a new one gets created instead]
assert len(deployment.otc.get_orders()) == 2
assert self.orders_by_token(deployment, deployment.gem)[0].maker == deployment.our_address
assert self.orders_by_token(deployment, deployment.gem)[0].pay_amount == Wad.from_number(7.5)
assert self.orders_by_token(deployment, deployment.gem)[0].pay_token == deployment.gem.address
assert self.orders_by_token(deployment, deployment.gem)[0].buy_amount == Wad.from_number(780)
assert self.orders_by_token(deployment, deployment.gem)[0].buy_token == deployment.sai.address
def test_should_create_orders_in_multiple_bands(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
def test_should_cancel_orders_if_price_disappears(self, tmpdir):
# given
config = BandConfig.sample_config(tmpdir)
bands = self.create_bands(config)
# and
buy_order = FakeOrder(Wad.from_number(75), Wad.from_number(96))
sell_order = FakeOrder(Wad.from_number(7.5), Wad.from_number(208))
# when
price = Price(buy_price=Wad.from_number(100),
sell_price=Wad.from_number(200))
orders_to_cancel = bands.cancellable_orders([buy_order], [sell_order],
price)
# then
assert (orders_to_cancel == [])
# when
price = Price(buy_price=Wad.from_number(100), sell_price=None)
orders_to_cancel = bands.cancellable_orders([buy_order], [sell_order],
price)
# then
assert (orders_to_cancel == [sell_order])
# when
price = Price(buy_price=None, sell_price=Wad.from_number(200))
orders_to_cancel = bands.cancellable_orders([buy_order], [sell_order],
price)
# then
assert (orders_to_cancel == [buy_order])
# when
price = Price(buy_price=None, sell_price=None)
orders_to_cancel = bands.cancellable_orders([buy_order], [sell_order],
price)
# then
assert (orders_to_cancel == [buy_order, sell_order])
def test_should_cancel_all_orders_but_not_terminate_if_market_gets_closed(
self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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
# when
deployment.otc._contract.transact().stop()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 0
assert not keeper.lifecycle.terminated_internally
def test_should_use_specified_gas_price_for_all_transactions(
self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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} "
f"--gas-price 70000000000"),
web3=deployment.web3)
keeper.lifecycle = Lifecycle(web3=keeper.web3)
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# and
start_block_number = deployment.web3.eth.blockNumber
# when
keeper.approve()
self.synchronize_orders_twice(keeper)
keeper.shutdown()
# then
for block_number in range(start_block_number + 1,
deployment.web3.eth.blockNumber + 1):
for transaction in deployment.web3.eth.getBlock(
block_number, full_transactions=True).transactions:
assert transaction.gasPrice == 70000000000
def test_should_cancel_all_orders_outside_bands(self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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))
# and
keeper.approve()
self.synchronize_orders_twice(keeper)
assert len(deployment.otc.get_orders()) == 2
# when
deployment.otc.make(deployment.sai.address, Wad.from_number(5), deployment.gem.address, Wad.from_number(0.0538)).transact() #price=92.936802973977695
deployment.otc.make(deployment.sai.address, Wad.from_number(5), deployment.gem.address, Wad.from_number(0.0505)).transact() #price=99.0
deployment.otc.make(deployment.gem.address, Wad.from_number(0.5), deployment.sai.address, Wad.from_number(50.5)).transact() #price=101
deployment.otc.make(deployment.gem.address, Wad.from_number(0.5), deployment.sai.address, Wad.from_number(53.5)).transact() #price=107
assert len(deployment.otc.get_orders()) == 6
# and
keeper.order_book_manager.wait_for_order_book_refresh()
# and
self.synchronize_orders_twice(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
def test_should_send_replacement_orders_the_moment_old_ones_get_cancelled(
self, deployment: Deployment, tmpdir):
# given
config_file = BandConfig.sample_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)
# and
keeper.approve()
# when
self.set_price(deployment, Wad.from_number(100))
self.synchronize_orders_once(keeper)
# then
assert len(deployment.otc.get_orders()) == 2
# and
assert self.orders_by_token(
deployment, deployment.sai)[0].maker == deployment.our_address
assert self.orders_by_token(
deployment, deployment.sai)[0].pay_amount == Wad.from_number(75)
assert self.orders_by_token(
deployment, deployment.sai)[0].pay_token == deployment.sai.address
assert self.orders_by_token(
deployment,
deployment.sai)[0].buy_amount == Wad.from_number(0.78125)
assert self.orders_by_token(
deployment, deployment.sai)[0].buy_token == deployment.gem.address
# and
assert self.orders_by_token(
deployment, deployment.gem)[0].maker == deployment.our_address
assert self.orders_by_token(
deployment, deployment.gem)[0].pay_amount == Wad.from_number(7.5)
assert self.orders_by_token(
deployment, deployment.gem)[0].pay_token == deployment.gem.address
assert self.orders_by_token(
deployment, deployment.gem)[0].buy_amount == Wad.from_number(780)
assert self.orders_by_token(
deployment, deployment.gem)[0].buy_token == deployment.sai.address
# when
self.set_price(deployment, Wad.from_number(200))
block_number_before = deployment.web3.eth.blockNumber
self.synchronize_orders_once(keeper)
block_number_after = deployment.web3.eth.blockNumber
# then
assert len(deployment.otc.get_orders()) == 2
# and
assert block_number_after - block_number_before == 4
# and
assert self.orders_by_token(
deployment, deployment.sai)[0].maker == deployment.our_address
assert self.orders_by_token(
deployment, deployment.sai)[0].pay_amount == Wad.from_number(75)
assert self.orders_by_token(
deployment, deployment.sai)[0].pay_token == deployment.sai.address
assert self.orders_by_token(
deployment,
deployment.sai)[0].buy_amount == Wad.from_number(0.78125 / 2)
assert self.orders_by_token(
deployment, deployment.sai)[0].buy_token == deployment.gem.address
# and
assert self.orders_by_token(
deployment, deployment.gem)[0].maker == deployment.our_address
assert self.orders_by_token(
deployment, deployment.gem)[0].pay_amount == Wad.from_number(7.5)
assert self.orders_by_token(
deployment, deployment.gem)[0].pay_token == deployment.gem.address
assert self.orders_by_token(
deployment,
deployment.gem)[0].buy_amount == Wad.from_number(780 * 2)
assert self.orders_by_token(
deployment, deployment.gem)[0].buy_token == deployment.sai.address
def test_should_place_extra_order_only_if_order_brought_below_min(
self, deployment: Deployment, tmpdir: py.path.local):
# given
config_file = BandConfig.sample_config(tmpdir)
# and
keeper = EtherDeltaMarketMakerKeeper(args=args(
f"--eth-from {deployment.our_address} --config {config_file}"
f" --tub-address {deployment.tub.address}"
f" --etherdelta-address {deployment.etherdelta.address}"
f" --etherdelta-socket https://127.0.0.1:99999/"
f" --order-age 3600 --eth-reserve 10"
f" --min-eth-deposit 1 --min-sai-deposit 400"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
keeper.etherdelta_api.publish_order = MagicMock()
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# and
keeper.approve()
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
assert len(self.orders(keeper)) == 2
sai_order = self.orders_by_token(keeper, deployment.sai.address)[0]
# when
print(sai_order.sell_to_buy_price)
print(sai_order.buy_to_sell_price)
deployment.etherdelta.trade(sai_order,
Wad.from_number(20) /
Wad.from_number(96)).transact()
# and
keeper.synchronize_orders()
# then
assert len(self.orders(keeper)) == 2
# when
deployment.etherdelta.trade(sai_order,
Wad.from_number(5) /
Wad.from_number(96)).transact()
# and
keeper.synchronize_orders()
# then
assert len(self.orders(keeper)) == 2
# when
deployment.etherdelta.trade(sai_order,
Wad.from_number(1) /
Wad.from_number(96)).transact()
# and
keeper.synchronize_orders()
# then
assert len(self.orders(keeper)) == 3
assert self.orders(keeper)[2].pay_amount == Wad.from_number(26)
assert self.orders(keeper)[2].pay_token == deployment.sai.address
assert self.orders(keeper)[2].buy_amount == Wad(270833333000000000)
assert self.orders(keeper)[2].buy_token == EtherDelta.ETH_TOKEN
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
def test_should_cancel_selected_sell_orders_to_bring_the_band_total_below_max_and_closest_to_it(
self, deployment: Deployment, tmpdir: py.path.local):
# given
config_file = BandConfig.sample_config(tmpdir)
# and
keeper = EtherDeltaMarketMakerKeeper(args=args(
f"--eth-from {deployment.our_address} --config {config_file}"
f" --tub-address {deployment.tub.address}"
f" --etherdelta-address {deployment.etherdelta.address}"
f" --etherdelta-socket https://127.0.0.1:99999/"
f" --order-age 3600 --eth-reserve 10"
f" --min-eth-deposit 1 --min-sai-deposit 400"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
keeper.etherdelta_api.publish_order = MagicMock()
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# and
keeper.approve()
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
assert len(self.orders(keeper)) == 2
# when [7.5+2.0 = 9.5]
keeper.our_orders.append(
deployment.etherdelta.create_order(EtherDelta.ETH_TOKEN,
Wad.from_number(2),
deployment.sai.address,
Wad.from_number(208), 1000000))
# and
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
# then
assert len(self.orders(keeper)) == 3
# when [9.5+0.5 = 10]
keeper.our_orders.append(
deployment.etherdelta.create_order(EtherDelta.ETH_TOKEN,
Wad.from_number(0.5),
deployment.sai.address,
Wad.from_number(52), 1000000))
# and
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
# then
assert len(self.orders(keeper)) == 4
# when [10+0.1 = 10.1] --> above max!
keeper.our_orders.append(
deployment.etherdelta.create_order(EtherDelta.ETH_TOKEN,
Wad.from_number(0.1),
deployment.sai.address,
Wad.from_number(10.4), 1000000))
# and
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
# then
assert len(self.orders(keeper)) == 4
assert reduce(Wad.__add__, map(lambda order: order.pay_amount, self.orders_by_token(keeper, EtherDelta.ETH_TOKEN)), Wad(0)) \
== Wad.from_number(10.0)
def test_should_deposit_and_create_orders_on_startup(
self, deployment: Deployment, tmpdir: py.path.local):
# given
config_file = BandConfig.sample_config(tmpdir)
# and
keeper = EtherDeltaMarketMakerKeeper(args=args(
f"--eth-from {deployment.our_address} --config {config_file}"
f" --tub-address {deployment.tub.address}"
f" --etherdelta-address {deployment.etherdelta.address}"
f" --etherdelta-socket https://127.0.0.1:99999/"
f" --order-age 3600 --eth-reserve 10"
f" --min-eth-deposit 1 --min-sai-deposit 400"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
keeper.etherdelta_api.publish_order = MagicMock()
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# when
keeper.approve()
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
# then
assert deployment.etherdelta.balance_of(
deployment.our_address) > Wad(0)
assert deployment.etherdelta.balance_of_token(
deployment.sai.address, deployment.our_address) > Wad(0)
# and
assert len(self.orders(keeper)) == 2
assert keeper.etherdelta_api.publish_order.call_count == 2
# and
assert self.orders_by_token(
keeper, deployment.sai.address)[0].maker == deployment.our_address
assert self.orders_by_token(
keeper,
deployment.sai.address)[0].pay_amount == Wad.from_number(75)
assert self.orders_by_token(
keeper,
deployment.sai.address)[0].pay_token == deployment.sai.address
assert self.orders_by_token(
keeper,
deployment.sai.address)[0].buy_amount == Wad.from_number(0.78125)
assert self.orders_by_token(
keeper,
deployment.sai.address)[0].buy_token == EtherDelta.ETH_TOKEN
# and
assert self.orders_by_token(
keeper, EtherDelta.ETH_TOKEN)[0].maker == deployment.our_address
assert self.orders_by_token(
keeper, EtherDelta.ETH_TOKEN)[0].pay_amount == Wad.from_number(7.5)
assert self.orders_by_token(
keeper, EtherDelta.ETH_TOKEN)[0].pay_token == EtherDelta.ETH_TOKEN
assert self.orders_by_token(
keeper, EtherDelta.ETH_TOKEN)[0].buy_amount == Wad.from_number(780)
assert self.orders_by_token(
keeper,
EtherDelta.ETH_TOKEN)[0].buy_token == deployment.sai.address
def test_should_cancel_all_orders_outside_bands(self,
deployment: Deployment,
tmpdir: py.path.local):
# given
config_file = BandConfig.sample_config(tmpdir)
# and
keeper = EtherDeltaMarketMakerKeeper(args=args(
f"--eth-from {deployment.our_address} --config {config_file}"
f" --tub-address {deployment.tub.address}"
f" --etherdelta-address {deployment.etherdelta.address}"
f" --etherdelta-socket https://127.0.0.1:99999/"
f" --order-age 3600 --eth-reserve 10"
f" --min-eth-deposit 1 --min-sai-deposit 400"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
keeper.etherdelta_api.publish_order = MagicMock()
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# and
keeper.approve()
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
assert len(self.orders(keeper)) == 2
# when
keeper.our_orders.append(
deployment.etherdelta.create_order(
deployment.sai.address,
Wad.from_number(5), EtherDelta.ETH_TOKEN,
Wad.from_number(0.0538), 1000000)) #price=92.936802973977695
keeper.our_orders.append(
deployment.etherdelta.create_order(deployment.sai.address,
Wad.from_number(5),
EtherDelta.ETH_TOKEN,
Wad.from_number(0.0505),
1000000)) #price=99.0
keeper.our_orders.append(
deployment.etherdelta.create_order(EtherDelta.ETH_TOKEN,
Wad.from_number(0.5),
deployment.sai.address,
Wad.from_number(50.5),
1000000)) #price=101
keeper.our_orders.append(
deployment.etherdelta.create_order(EtherDelta.ETH_TOKEN,
Wad.from_number(0.5),
deployment.sai.address,
Wad.from_number(53.5),
1000000)) #price=107
assert len(self.orders(keeper)) == 6
# and
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
# then
assert len(self.orders(keeper)) == 2
def test_should_take_over_order_from_adjacent_band_when_price_changes(
self, deployment: Deployment, tmpdir: py.path.local):
# given
config_file = BandConfig.two_adjacent_bands_config(tmpdir)
# and
keeper = EtherDeltaMarketMakerKeeper(args=args(
f"--eth-from {deployment.our_address} --config {config_file}"
f" --tub-address {deployment.tub.address}"
f" --etherdelta-address {deployment.etherdelta.address}"
f" --etherdelta-socket https://127.0.0.1:99999/"
f" --order-age 3600 --eth-reserve 10"
f" --min-eth-deposit 1 --min-sai-deposit 400"),
web3=deployment.web3)
keeper.lifecycle = Web3Lifecycle(web3=keeper.web3)
keeper.etherdelta_api.publish_order = MagicMock()
# and
self.mint_tokens(deployment)
self.set_price(deployment, Wad.from_number(100))
# when
keeper.approve()
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
# then
assert len(self.orders(keeper)) == 2
# and
assert self.orders_sorted(
self.orders(keeper))[0].maker == deployment.our_address
assert self.orders_sorted(
self.orders(keeper))[0].pay_amount == Wad.from_number(7.5)
assert self.orders_sorted(
self.orders(keeper))[0].pay_token == EtherDelta.ETH_TOKEN
assert self.orders_sorted(
self.orders(keeper))[0].buy_amount == Wad.from_number(780)
assert self.orders_sorted(
self.orders(keeper))[0].buy_token == deployment.sai.address
# and
assert self.orders_sorted(
self.orders(keeper))[1].maker == deployment.our_address
assert self.orders_sorted(
self.orders(keeper))[1].pay_amount == Wad.from_number(9.5)
assert self.orders_sorted(
self.orders(keeper))[1].pay_token == EtherDelta.ETH_TOKEN
assert self.orders_sorted(
self.orders(keeper))[1].buy_amount == Wad.from_number(1026)
assert self.orders_sorted(
self.orders(keeper))[1].buy_token == deployment.sai.address
# when
self.set_price(deployment, Wad.from_number(96))
# and
keeper.synchronize_orders(
) # ... first call is so it can made deposits
keeper.synchronize_orders(
) # ... second call is so the actual orders can get placed
# then
assert len(self.orders(keeper)) == 2
# and
# ...new order in the <0.02,0.06> band gets created
assert self.orders_sorted(
self.orders(keeper))[0].maker == deployment.our_address
assert self.orders_sorted(
self.orders(keeper))[0].pay_amount == Wad.from_number(7.5)
assert self.orders_sorted(
self.orders(keeper))[0].pay_token == EtherDelta.ETH_TOKEN
assert self.orders_sorted(
self.orders(keeper))[0].buy_amount == Wad.from_number(748.8)
assert self.orders_sorted(
self.orders(keeper))[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(
self.orders(keeper))[1].maker == deployment.our_address
assert self.orders_sorted(
self.orders(keeper))[1].pay_amount == Wad.from_number(7.5)
assert self.orders_sorted(
self.orders(keeper))[1].pay_token == EtherDelta.ETH_TOKEN
assert self.orders_sorted(
self.orders(keeper))[1].buy_amount == Wad.from_number(780)
assert self.orders_sorted(
self.orders(keeper))[1].buy_token == deployment.sai.address
