def tend(flapper: Flapper, id: int, address: Address, lot: Rad, bid: Wad):
assert (isinstance(flapper, Flapper))
assert (isinstance(id, int))
assert (isinstance(lot, Rad))
assert (isinstance(bid, Wad))
assert flapper.live() == 1
current_bid = flapper.bids(id)
assert current_bid.guy != Address(
"0x0000000000000000000000000000000000000000")
assert current_bid.tic > datetime.now().timestamp(
) or current_bid.tic == 0
assert current_bid.end > datetime.now().timestamp()
assert lot == current_bid.lot
assert bid > current_bid.bid
assert bid >= flapper.beg() * current_bid.bid
assert flapper.tend(id, lot, bid).transact(from_address=address)
log = TestFlapper.last_log(flapper)
assert isinstance(log, Flapper.TendLog)
assert log.guy == address
assert log.id == id
assert log.lot == lot
assert log.bid == bid
def create_surplus(mcd: DssDeployment, flapper: Flapper,
deployment_address: Address):
assert isinstance(mcd, DssDeployment)
assert isinstance(flapper, Flapper)
assert isinstance(deployment_address, Address)
joy = mcd.vat.dai(mcd.vow.address)
if joy < mcd.vow.hump() + mcd.vow.bump():
# Create a CDP with surplus
print('Creating a CDP with surplus')
collateral = mcd.collaterals['ETH-B']
assert flapper.kicks() == 0
wrap_eth(mcd, deployment_address, Wad.from_number(0.1))
collateral.approve(deployment_address)
assert collateral.adapter.join(
deployment_address,
Wad.from_number(0.1)).transact(from_address=deployment_address)
frob(mcd,
collateral,
deployment_address,
dink=Wad.from_number(0.1),
dart=Wad.from_number(10))
assert mcd.jug.drip(
collateral.ilk).transact(from_address=deployment_address)
joy = mcd.vat.dai(mcd.vow.address)
assert joy >= mcd.vow.hump() + mcd.vow.bump()
else:
print(f'Surplus of {joy} already exists; skipping CDP creation')
def from_json(web3: Web3, conf: str):
conf = json.loads(conf)
mom = DSGuard(web3, Address(conf['MCD_MOM']))
vat = Vat(web3, Address(conf['MCD_VAT']))
vow = Vow(web3, Address(conf['MCD_VOW']))
drip = Drip(web3, Address(conf['MCD_DRIP']))
pit = Pit(web3, Address(conf['MCD_PIT']))
cat = Cat(web3, Address(conf['MCD_CAT']))
flap = Flapper(web3, Address(conf['MCD_FLAP']))
flop = Flopper(web3, Address(conf['MCD_FLOP']))
dai = DSToken(web3, Address(conf['MCD_DAI']))
dai_adapter = DaiAdapter(web3, Address(conf['MCD_JOIN_DAI']))
dai_move = DaiVat(web3, Address(conf['MCD_MOVE_DAI']))
mkr = DSToken(web3, Address(conf['MCD_GOV']))
collaterals = []
for name in conf['COLLATERALS']:
collateral = Collateral(Ilk(name))
collateral.gem = DSToken(web3, Address(conf[name]))
collateral.adapter = GemAdapter(web3, Address(conf[f'MCD_JOIN_{name}']))
collateral.mover = GemVat(web3, Address(conf[f'MCD_MOVE_{name}']))
collateral.flipper = Flipper(web3, Address(conf[f'MCD_FLIP_{name}']))
collateral.pip = DSValue(web3, Address(conf[f'PIP_{name}']))
collateral.spotter = Spotter(web3, Address(conf[f'MCD_SPOT_{name}']))
collaterals.append(collateral)
return DssDeployment.Config(mom, vat, vow, drip, pit, cat, flap, flop, dai, dai_adapter, dai_move, mkr,
collaterals)
def __init__(self, flapper: Flapper, mkr: Address):
assert isinstance(flapper, Flapper)
assert isinstance(mkr, Address)
self.flapper = flapper
self.beg = flapper.beg()
self.mkr = mkr
def from_json(web3: Web3, conf: str):
conf = json.loads(conf)
pause = DSPause(web3, Address(conf['MCD_PAUSE']))
vat = Vat(web3, Address(conf['MCD_VAT']))
vow = Vow(web3, Address(conf['MCD_VOW']))
jug = Jug(web3, Address(conf['MCD_JUG']))
cat = Cat(web3, Address(conf['MCD_CAT']))
dai = DSToken(web3, Address(conf['MCD_DAI']))
dai_adapter = DaiJoin(web3, Address(conf['MCD_JOIN_DAI']))
flapper = Flapper(web3, Address(conf['MCD_FLAP']))
flopper = Flopper(web3, Address(conf['MCD_FLOP']))
mkr = DSToken(web3, Address(conf['MCD_GOV']))
spotter = Spotter(web3, Address(conf['MCD_SPOT']))
collaterals = {}
for name in DssDeployment.Config._infer_collaterals_from_addresses(conf.keys()):
ilk = Ilk(name[0].replace('_', '-'))
if name[1] == "ETH":
gem = DSEthToken(web3, Address(conf[name[1]]))
else:
gem = DSToken(web3, Address(conf[name[1]]))
# TODO: If problematic, skip pip for deployments which use a medianizer.
collateral = Collateral(ilk=ilk, gem=gem,
adapter=GemJoin(web3, Address(conf[f'MCD_JOIN_{name[0]}'])),
flipper=Flipper(web3, Address(conf[f'MCD_FLIP_{name[0]}'])),
pip=DSValue(web3, Address(conf[f'PIP_{name[1]}'])))
collaterals[ilk.name] = collateral
return DssDeployment.Config(pause, vat, vow, jug, cat, flapper, flopper,
dai, dai_adapter, mkr, spotter, collaterals)
def setup_method(self):
self.web3 = Web3(HTTPProvider("http://localhost:8555"))
self.web3.eth.defaultAccount = self.web3.eth.accounts[0]
self.our_address = Address(self.web3.eth.defaultAccount)
self.dai = DSToken.deploy(self.web3, 'DAI')
self.gem = DSToken.deploy(self.web3, 'MKR')
self.flapper = Flapper.deploy(self.web3, self.dai.address, self.gem.address)
def from_json(web3: Web3, conf: str):
conf = json.loads(conf)
pause = DSPause(web3, Address(conf['MCD_PAUSE']))
vat = Vat(web3, Address(conf['MCD_VAT']))
vow = Vow(web3, Address(conf['MCD_VOW']))
jug = Jug(web3, Address(conf['MCD_JUG']))
cat = Cat(web3, Address(conf['MCD_CAT']))
dai = DSToken(web3, Address(conf['MCD_DAI']))
dai_adapter = DaiJoin(web3, Address(conf['MCD_JOIN_DAI']))
flapper = Flapper(web3, Address(conf['MCD_FLAP']))
flopper = Flopper(web3, Address(conf['MCD_FLOP']))
pot = Pot(web3, Address(conf['MCD_POT']))
mkr = DSToken(web3, Address(conf['MCD_GOV']))
spotter = Spotter(web3, Address(conf['MCD_SPOT']))
ds_chief = DSChief(web3, Address(conf['MCD_ADM']))
esm = ShutdownModule(web3, Address(conf['MCD_ESM']))
end = End(web3, Address(conf['MCD_END']))
proxy_registry = ProxyRegistry(web3,
Address(conf['PROXY_REGISTRY']))
dss_proxy_actions = DssProxyActionsDsr(
web3, Address(conf['PROXY_ACTIONS_DSR']))
collaterals = {}
for name in DssDeployment.Config._infer_collaterals_from_addresses(
conf.keys()):
ilk = Ilk(name[0].replace('_', '-'))
if name[1] == "ETH":
gem = DSEthToken(web3, Address(conf[name[1]]))
else:
gem = DSToken(web3, Address(conf[name[1]]))
# PIP contract may be a DSValue, OSM, or bogus address.
pip_address = Address(conf[f'PIP_{name[1]}'])
network = DssDeployment.NETWORKS.get(web3.net.version,
"testnet")
if network == "testnet":
pip = DSValue(web3, pip_address)
else:
pip = OSM(web3, pip_address)
collateral = Collateral(
ilk=ilk,
gem=gem,
adapter=GemJoin(web3,
Address(conf[f'MCD_JOIN_{name[0]}'])),
flipper=Flipper(web3,
Address(conf[f'MCD_FLIP_{name[0]}'])),
pip=pip)
collaterals[ilk.name] = collateral
return DssDeployment.Config(pause, vat, vow, jug, cat, flapper,
flopper, pot, dai, dai_adapter, mkr,
spotter, ds_chief, esm, end,
proxy_registry, dss_proxy_actions,
collaterals)
def setup_method(self):
self.web3 = Web3(HTTPProvider("http://localhost:8555"))
self.web3.eth.defaultAccount = self.web3.eth.accounts[0]
self.keeper_address = Address(self.web3.eth.defaultAccount)
self.gal_address = Address(self.web3.eth.accounts[1])
self.other_address = Address(self.web3.eth.accounts[2])
self.dai = DSToken.deploy(self.web3, 'DAI')
self.mkr = DSToken.deploy(self.web3, 'MKR')
self.flapper = Flapper.deploy(self.web3, self.dai.address,
self.mkr.address)
self.keeper = AuctionKeeper(args=args(
f"--eth-from {self.keeper_address} "
f"--flapper {self.flapper.address} "
f"--model ./bogus-model.sh"),
web3=self.web3)
self.keeper.approve()
# So that `gal_address` can kick auctions, it must have some DAI in its account
# and also Flapper must be approved to access it
self.dai.mint(Wad.from_number(5000000)).transact()
self.dai.transfer(self.gal_address,
Wad.from_number(5000000)).transact()
self.dai.approve(
self.flapper.address).transact(from_address=self.gal_address)
# So that `keeper_address` and `other_address` can bid in auctions,
# they both need to have MKR in their accounts.
self.mkr.mint(Wad.from_number(10000000)).transact()
self.mkr.transfer(self.other_address,
Wad.from_number(5000000)).transact()
self.model = MagicMock()
self.model.get_stance = MagicMock(return_value=None)
self.model_factory = self.keeper.auctions.model_factory
self.model_factory.create_model = MagicMock(return_value=self.model)
def from_json(web3: Web3, conf: str):
def address_in_configs(key: str, conf: str) -> bool:
if key not in conf:
return False
elif not conf[key]:
return False
elif conf[key] == "0x0000000000000000000000000000000000000000":
return False
else:
return True
conf = json.loads(conf)
pause = DSPause(web3, Address(conf['MCD_PAUSE']))
vat = Vat(web3, Address(conf['MCD_VAT']))
vow = Vow(web3, Address(conf['MCD_VOW']))
jug = Jug(web3, Address(conf['MCD_JUG']))
cat = Cat(web3, Address(conf['MCD_CAT'])) if address_in_configs(
'MCD_CAT', conf) else None
dog = Dog(web3, Address(conf['MCD_DOG'])) if address_in_configs(
'MCD_DOG', conf) else None
dai = DSToken(web3, Address(conf['MCD_DAI']))
dai_adapter = DaiJoin(web3, Address(conf['MCD_JOIN_DAI']))
flapper = Flapper(web3, Address(conf['MCD_FLAP']))
flopper = Flopper(web3, Address(conf['MCD_FLOP']))
pot = Pot(web3, Address(conf['MCD_POT']))
mkr = DSToken(web3, Address(conf['MCD_GOV']))
spotter = Spotter(web3, Address(conf['MCD_SPOT']))
ds_chief = DSChief(web3, Address(conf['MCD_ADM']))
esm = ShutdownModule(web3, Address(conf['MCD_ESM']))
end = End(web3, Address(conf['MCD_END']))
proxy_registry = ProxyRegistry(web3,
Address(conf['PROXY_REGISTRY']))
dss_proxy_actions = DssProxyActionsDsr(
web3, Address(conf['PROXY_ACTIONS_DSR']))
cdp_manager = CdpManager(web3, Address(conf['CDP_MANAGER']))
dsr_manager = DsrManager(web3, Address(conf['DSR_MANAGER']))
faucet = TokenFaucet(
web3, Address(conf['FAUCET'])) if address_in_configs(
'FAUCET', conf) else None
collaterals = {}
for name in DssDeployment.Config._infer_collaterals_from_addresses(
conf.keys()):
ilk = vat.ilk(name[0].replace('_', '-'))
if name[1] == "ETH":
gem = DSEthToken(web3, Address(conf[name[1]]))
else:
gem = DSToken(web3, Address(conf[name[1]]))
if name[1] in [
'USDC', 'WBTC', 'TUSD', 'USDT', 'GUSD', 'RENBTC'
]:
adapter = GemJoin5(web3,
Address(conf[f'MCD_JOIN_{name[0]}']))
else:
adapter = GemJoin(web3,
Address(conf[f'MCD_JOIN_{name[0]}']))
# PIP contract may be a DSValue, OSM, or bogus address.
pip_name = f'PIP_{name[1]}'
pip_address = Address(
conf[pip_name]
) if pip_name in conf and conf[pip_name] else None
val_name = f'VAL_{name[1]}'
val_address = Address(
conf[val_name]
) if val_name in conf and conf[val_name] else None
if pip_address: # Configure OSM as price source
if name[1].startswith('UNIV2'):
pip = Univ2LpOSM(web3, pip_address)
else:
pip = OSM(web3, pip_address)
elif val_address: # Configure price using DSValue
pip = DSValue(web3, val_address)
else:
pip = None
auction = None
if f'MCD_FLIP_{name[0]}' in conf:
auction = Flipper(web3,
Address(conf[f'MCD_FLIP_{name[0]}']))
elif f'MCD_CLIP_{name[0]}' in conf:
auction = Clipper(web3,
Address(conf[f'MCD_CLIP_{name[0]}']))
collateral = Collateral(ilk=ilk,
gem=gem,
adapter=adapter,
auction=auction,
pip=pip,
vat=vat)
collaterals[ilk.name] = collateral
return DssDeployment.Config(pause, vat, vow, jug, cat, dog,
flapper, flopper, pot, dai,
dai_adapter, mkr, spotter, ds_chief,
esm, end, proxy_registry,
dss_proxy_actions, cdp_manager,
dsr_manager, faucet, collaterals)
def last_log(flapper: Flapper):
current_block = flapper.web3.eth.blockNumber
return flapper.past_logs(current_block - 1, current_block)[0]
def __init__(self, flapper: Flapper):
assert isinstance(flapper, Flapper)
self.flapper = flapper
self.beg = flapper.beg()
def deploy(web3: Web3, debt_ceiling: Wad):
assert isinstance(web3, Web3)
vat = Vat.deploy(web3=web3)
pit = Pit.deploy(web3=web3, vat=vat.address)
assert pit.file_global_line(debt_ceiling).transact() # Global debt Ceiling
assert vat.rely(pit.address).transact()
dai = DSToken.deploy(web3=web3, symbol='DAI')
dai_adapter = DaiAdapter.deploy(web3=web3, vat=vat.address, dai=dai.address)
dai_move = DaiVat.deploy(web3=web3, vat=vat.address)
assert vat.rely(dai_adapter.address).transact()
assert vat.rely(dai_move.address).transact()
mkr = DSToken.deploy(web3=web3, symbol='MKR')
# TODO: use a DSProxy
mom = DSGuard.deploy(web3)
assert mom.permit(DSGuard.ANY, DSGuard.ANY, DSGuard.ANY).transact()
assert dai.set_authority(mom.address).transact()
assert mkr.set_authority(mom.address).transact()
vow = Vow.deploy(web3=web3)
drip = Drip.deploy(web3=web3, vat=vat.address)
flap = Flapper.deploy(web3=web3, dai=dai_move.address, gem=mkr.address)
assert vow.file_vat(vat).transact()
assert vow.file_flap(flap).transact()
assert vow.file_bump(Wad.from_number(1000)).transact()
assert vow.file_sump(Wad.from_number(10)).transact()
assert drip.file_vow(vow).transact()
assert vat.rely(vow.address).transact()
assert vat.rely(drip.address).transact()
assert vat.rely(flap.address).transact()
cat = Cat.deploy(web3=web3, vat=vat.address)
assert cat.file_vow(vow).transact()
assert cat.file_pit(pit).transact()
flop = Flopper.deploy(web3=web3, dai=dai_move.address, gem=mkr.address)
assert vow.file_flop(flop).transact()
assert vat.rely(cat.address).transact()
assert vat.rely(flop.address).transact()
assert vow.rely(cat.address).transact()
assert flop.rely(vow.address).transact()
config = DssDeployment.Config(mom, vat, vow, drip, pit, cat, flap, flop, dai, dai_adapter, dai_move, mkr)
deployment = DssDeployment(web3, config)
collateral = Collateral.deploy(web3=web3, name='WETH', vat=vat)
deployment.deploy_collateral(collateral,
debt_ceiling=Wad.from_number(100000),
penalty=Ray.from_number(1),
flop_lot=Wad.from_number(10000),
ratio=Ray.from_number(1.5),
initial_price=Wad.from_number(219))
return deployment
