def kick(mcd, c: Collateral, gal_address) -> int:
create_cdp_with_surplus(mcd, c, gal_address)
assert mcd.vow.flap().transact(from_address=gal_address)
kick = mcd.flapper.kicks()
assert kick > 0
current_bid = mcd.flapper.bids(kick)
assert current_bid.lot == mcd.vow.bump()
return kick
def test_should_detect_flap(self, web3, mcd, c, gal_address, keeper_address):
# given some MKR is available to the keeper and a count of flap auctions
mint_mkr(mcd.mkr, keeper_address, Wad.from_number(50000))
kicks = mcd.flapper.kicks()
# when surplus is generated
create_cdp_with_surplus(mcd, c, gal_address)
self.keeper.check_flap()
wait_for_other_threads()
# then ensure another flap auction was kicked off
assert mcd.flapper.kicks() == kicks + 1
# clean up by letting the auction expire
time_travel_by(web3, mcd.flapper.tau() + 1)
def test_should_detect_flap(self, web3, mcd, c, gal_address, keeper_address):
# given some MKR is available to the keeper and a count of flap auctions
mint_mkr(mcd.mkr, keeper_address, Wad.from_number(50000))
kicks = mcd.flapper.kicks()
# when surplus is generated
create_cdp_with_surplus(mcd, c, gal_address)
self.keeper.check_flap()
wait_for_other_threads()
# then ensure another flap auction was kicked off
kick = mcd.flapper.kicks()
assert kick == kicks + 1
# clean up by letting someone else bid and waiting until the auction ends
auction = self.flapper.bids(kick)
assert self.flapper.tend(kick, auction.lot, Wad.from_number(30)).transact(from_address=self.other_address)
time_travel_by(web3, mcd.flapper.ttl() + 1)
