def test_fog_and_woe_and_bust(self, sai: SaiDeployment):
# given
sai.tub.join(Wad.from_number(10)).transact()
sai.tub.cork(Wad.from_number(100000)).transact()
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(250).value).transact()
# and
sai.tub.open().transact()
sai.tub.lock(1, Wad.from_number(4)).transact()
sai.tub.draw(1, Wad.from_number(1000)).transact()
# and
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(150).value).transact()
# when
sai.tub.bite(1).transact()
# then
assert sai.tap.fog() == Wad.from_number(4)
assert sai.tap.woe() == Wad.from_number(1000)
assert sai.skr.balance_of(sai.our_address) == Wad.from_number(6)
assert sai.sai.balance_of(sai.our_address) == Wad.from_number(1000)
# when
sai.tap.bust(Wad.from_number(2)).transact()
assert sai.tap.fog() == Wad.from_number(2)
assert sai.tap.woe() == Wad.from_number(700)
assert sai.skr.balance_of(sai.our_address) == Wad.from_number(8)
assert sai.sai.balance_of(sai.our_address) == Wad.from_number(700)
def test_bite_and_safe(self, sai: SaiDeployment):
# given
sai.tub.join(Wad.from_number(10)).transact()
sai.tub.cork(Wad.from_number(100000)).transact()
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(250).value).transact()
# when
sai.tub.open().transact()
sai.tub.lock(1, Wad.from_number(4)).transact()
sai.tub.draw(1, Wad.from_number(1000)).transact()
# then
assert sai.tub.safe(1)
# when
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(150).value).transact()
# then
assert not sai.tub.safe(1)
# when
sai.tub.bite(1).transact()
# then
assert sai.tub.safe(1)
def test_joy_and_boom(self, sai: SaiDeployment):
# given
sai.tub.join(Wad.from_number(10)).transact()
sai.tub.cork(Wad.from_number(100000)).transact()
sai.tub.crop(Ray(1000100000000000000000000000)).transact()
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(250).value).transact()
# and
sai.tub.open().transact()
sai.tub.lock(1, Wad.from_number(4)).transact()
sai.tub.draw(1, Wad.from_number(1000)).transact()
# when
sai.tub.drip().transact()
sai.tub.warp(3600).transact()
sai.tub.drip().transact()
# then
assert sai.skr.balance_of(sai.our_address) == Wad.from_number(6)
assert sai.tap.joy() == Wad(433303616582911495481)
# when
sai.tap.boom(Wad.from_number(1)).transact()
# then
assert sai.skr.balance_of(sai.our_address) == Wad.from_number(5)
assert sai.tap.joy() == Wad(183303616582911495481)
def test_draw_and_tab_and_ice_and_wipe(self, sai: SaiDeployment):
# given
sai.tub.join(Wad.from_number(10)).transact()
sai.tub.cork(Wad.from_number(100000)).transact()
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(250.45).value).transact()
# and
sai.tub.open().transact()
sai.tub.lock(1, Wad.from_number(5)).transact()
# when
sai.tub.draw(1, Wad.from_number(50)).transact()
# then
assert sai.sai.balance_of(sai.our_address) == Wad.from_number(50)
assert sai.tub.tab(1) == Wad.from_number(50)
assert sai.tub.ice() == Wad.from_number(50)
# when
sai.tub.wipe(1, Wad.from_number(30)).transact()
# then
assert sai.sai.balance_of(sai.our_address) == Wad.from_number(20)
assert sai.tub.tab(1) == Wad.from_number(20)
assert sai.tub.ice() == Wad.from_number(20)
def test_tag(self, sai: SaiDeployment):
# when
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(250.45).value).transact()
# then
assert sai.tub.tag() == Wad.from_number(250.45)
def test_should_create_offers_on_startup(self, sai: SaiDeployment):
# given
keeper = self.setup_keeper(sai)
keeper.max_weth_amount = Wad.from_number(10)
keeper.min_weth_amount = Wad.from_number(5)
keeper.max_sai_amount = Wad.from_number(100)
keeper.min_sai_amount = Wad.from_number(50)
keeper.sai_dust_cutoff = Wad.from_number(0)
keeper.weth_dust_cutoff = Wad.from_number(0)
keeper.min_margin_buy = 0.01
keeper.avg_margin_buy = 0.02
keeper.max_margin_buy = 0.03
keeper.min_margin_sell = 0.02
keeper.avg_margin_sell = 0.03
keeper.max_margin_sell = 0.04
keeper.round_places = 2
keeper.gas_price = DefaultGasPrice()
# and
DSToken(web3=sai.web3,
address=sai.tub.gem()).mint(Wad.from_number(1000)).transact()
DSToken(web3=sai.web3,
address=sai.tub.sai()).mint(Wad.from_number(1000)).transact()
# and
print(sai.tub.pip())
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(250).value).transact()
# when
keeper.approve()
keeper.synchronize_offers()
# then
assert len(keeper.otc.active_offers()) == 2
def test_s2s_and_bid_and_ask(self, sai: SaiDeployment):
# when
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(500).value).transact()
sai.tap.jump(Wad.from_number(1.05)).transact()
# then
assert sai.tap.bid() == Wad.from_number(475)
assert sai.tap.s2s() == Wad.from_number(500)
assert sai.tap.ask() == Wad.from_number(525)
def test_shut(self, sai: SaiDeployment):
# given
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(250).value).transact()
sai.tub.open().transact()
# when
sai.tub.shut(1).transact()
# then
assert sai.tub.lad(1) == Address(
'0x0000000000000000000000000000000000000000')
def test_safe(self, sai: SaiDeployment):
# given
sai.tub.cuff(Ray.from_number(1.5)).transact()
sai.tub.chop(Ray.from_number(1.2)).transact()
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(250).value).transact()
# when
sai.tub.open().transact()
# then
assert sai.tub.safe(1)
def test_should_bite_unsafe_cups_only(self, sai: SaiDeployment):
# given
keeper = self.setup_keeper(sai)
# and
sai.tub.join(Wad.from_number(10)).transact()
sai.tub.cork(Wad.from_number(100000)).transact()
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(250).value).transact()
# and
sai.tub.open().transact()
sai.tub.lock(1, Wad.from_number(4)).transact()
sai.tub.draw(1, Wad.from_number(1000)).transact()
# and
assert sai.tub.safe(1)
# when
keeper.check_all_cups()
# then
assert sai.tub.safe(1)
assert sai.tub.tab(1) == Wad.from_number(1000)
# when
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(150).value).transact()
# and
assert not sai.tub.safe(1)
# and
keeper.check_all_cups()
# then
assert sai.tub.safe(1)
assert sai.tub.tab(1) == Wad.from_number(0)
def new_sai() -> SaiDeployment:
def deploy(web3, contract_name, args=None):
contract_factory = web3.eth.contract(
abi=json.loads(
pkg_resources.resource_string('keeper.api.feed',
f'abi/{contract_name}.abi')),
bytecode=pkg_resources.resource_string('keeper.api.feed',
f'abi/{contract_name}.bin'))
tx_hash = contract_factory.deploy(args=args)
receipt = web3.eth.getTransactionReceipt(tx_hash)
return receipt['contractAddress']
web3 = Web3(EthereumTesterProvider())
web3.eth.defaultAccount = web3.eth.accounts[0]
our_address = Address(web3.eth.defaultAccount)
sai = DSToken.deploy(web3, 'SAI')
sin = DSToken.deploy(web3, 'SIN')
gem = DSToken.deploy(web3, 'ETH')
pip = DSValue.deploy(web3)
skr = DSToken.deploy(web3, 'SKR')
pot = DSVault.deploy(web3)
pit = DSVault.deploy(web3)
tip = deploy(web3, 'Tip')
dad = DSGuard.deploy(web3)
jug = deploy(web3, 'SaiJug', [sai.address.address, sin.address.address])
jar = deploy(
web3, 'SaiJar',
[skr.address.address, gem.address.address, pip.address.address])
tub = Tub.deploy(web3, Address(jar), Address(jug), pot.address,
pit.address, Address(tip))
tap = Tap.deploy(web3, tub.address, pit.address)
top = Top.deploy(web3, tub.address, tap.address)
# set permissions
dad.permit(DSGuard.ANY, DSGuard.ANY, DSGuard.ANY).transact()
tub.set_authority(dad.address)
for auth in [sai, sin, skr, pot, pit, tap, top]:
auth.set_authority(dad.address).transact()
# approve, mint some GEMs
tub.approve(directly())
gem.mint(Wad.from_number(1000000)).transact()
web3.currentProvider.rpc_methods.evm_snapshot()
return SaiDeployment(web3, our_address, gem, sai, sin, skr, tub, tap, top)
def tub_target_price(self) -> Wad:
"""SAI per GEM price that we are targeting."""
try:
cmdstr = "setzer price gemini"
process = subprocess.Popen(cmdstr.split(), stdout=subprocess.PIPE)
output, error = process.communicate()
if error != None:
raise ValueError('Error reading feed!')
feed_price = float(output)
ref_per_gem = Wad.from_number(feed_price)
self.logger.debug(
f"Successfully read Gemini feed, target price set to: {feed_price}"
)
except:
self.logger.info(
f"Exception reading Gemini feed, falling back to tub.pip().")
ref_per_gem = Wad(
DSValue(web3=self.web3, address=self.tub.pip()).read_as_int())
return ref_per_gem / self.tub.par()
def test_lock_and_free(self, sai: SaiDeployment):
# given
DSValue(web3=sai.web3, address=sai.tub.pip()).poke_with_int(
Wad.from_number(250).value).transact()
sai.tub.open().transact()
sai.tub.join(Wad.from_number(10)).transact()
# when
print(sai.tub.cupi())
sai.tub.lock(1, Wad.from_number(5)).transact()
# then
assert sai.tub.ink(1) == Wad.from_number(5)
assert sai.tub.air() == Wad.from_number(5)
# when
sai.tub.free(1, Wad.from_number(3)).transact()
# then
assert sai.tub.ink(1) == Wad.from_number(2)
assert sai.tub.air() == Wad.from_number(2)
def target_rate(self) -> Wad:
ref_per_gem = Wad(
DSValue(web3=self.web3, address=self.tub.pip()).read_as_int())
return self.tub.par() / ref_per_gem
def setup_method(self):
self.web3 = Web3(EthereumTesterProvider())
self.web3.eth.defaultAccount = self.web3.eth.accounts[0]
self.dsvalue = DSValue.deploy(self.web3)
def setup_method(self):
self.web3 = Web3(EthereumTesterProvider())
self.dsvalue = DSValue.deploy(self.web3)