def METHOD_NAME(safe, convex, convex_rewards, threepool_lp, convex_threepool_lp):
    before_bal_rewards = convex_rewards.balanceOf(safe)
    convex.stake_all(threepool_lp)
    assert convex_threepool_lp.balanceOf(safe) == 0
    assert convex_rewards.balanceOf(safe) > before_bal_rewards