def test_bite_and_flip(self, web3, mcd, gal_address, keeper_address):
# given
c = mcd.collaterals['ETH-A']
keeper = AuctionKeeper(args=args(f"--eth-from {keeper_address} "
f"--type flip "
f"--from-block 1 "
f"--ilk {c.ilk.name} "
f"--model ./bogus-model.sh"),
web3=mcd.web3)
keeper.approve()
unsafe_cdp = create_unsafe_cdp(mcd, c, Wad.from_number(1.2),
gal_address)
assert len(mcd.active_auctions()["flips"][c.ilk.name]) == 0
# Keeper won't bid with a 0 Dai balance
purchase_dai(Wad(20), keeper_address)
assert mcd.dai_adapter.join(
keeper_address, Wad(20)).transact(from_address=keeper_address)
# when
keeper.check_cdps()
wait_for_other_threads()
# then
print(mcd.cat.past_bites(10))
assert len(mcd.cat.past_bites(10)) > 0
urn = mcd.vat.urn(unsafe_cdp.ilk, unsafe_cdp.address)
assert urn.art == Wad(0) # unsafe cdp has been bitten
assert urn.ink == Wad(0) # unsafe cdp is now safe ...
assert c.flipper.kicks() == 1 # One auction started
def test_bite_only(self, other_keeper: AuctionKeeper, d: DssDeployment, c: Collateral, unsafe_cdp: Urn):
# given
nflip = d.cat.nflip()
nkick = c.flipper.kicks()
# when
other_keeper.check_cdps()
wait_for_other_threads()
# then
urn = d.vat.urn(unsafe_cdp.ilk, unsafe_cdp.address)
assert urn.art == Wad(0) # unsafe cdp has been biten
assert urn.ink == Wad(0) # unsafe cdp is now safe ...
assert d.cat.nflip() == nflip + 1 # One more flip available
assert c.flipper.kicks() == nkick # No auction started because no available fund to tend()
def test_bite_and_flip(self, web3, mcd, gal_address, keeper_address):
# given
c = mcd.collaterals['ETH-A']
keeper = AuctionKeeper(args=args(f"--eth-from {keeper_address} "
f"--type flip "
f"--network testnet "
f"--ilk {c.ilk.name} "
f"--model ./bogus-model.sh"),
web3=mcd.web3)
keeper.approve()
unsafe_cdp = create_unsafe_cdp(mcd, c, Wad.from_number(1.2),
gal_address)
assert len(mcd.active_auctions()["flips"][c.ilk.name]) == 0
# when
keeper.check_cdps()
wait_for_other_threads()
# then
urn = mcd.vat.urn(unsafe_cdp.ilk, unsafe_cdp.address)
assert urn.art == Wad(0) # unsafe cdp has been bitten
assert urn.ink == Wad(0) # unsafe cdp is now safe ...
assert c.flipper.kicks() == 1 # One auction started