def test_price(self, web3, mcd):
collateral = mcd.collaterals['ETH-B']
# Note this isn't actually an OSM, but we can still read storage slots
osm = OSM(web3, collateral.pip.address)
raw_price = osm._extract_price(2)
assert isinstance(raw_price, int)
assert Wad.from_number(200) == Wad(raw_price)
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 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)