def METHOD_NAME(crv3_to_add=1e6*1e18):
    crv3Liquidity = crv3_to_add / threepool_swap.get_virtual_price() * 1e18
    ousd_to_add = crv3_to_add * 2
    # add liquidity
    lp_before = ousd_metapool.balanceOf(me)
    ousd_metapool.add_liquidity([ousd_to_add, crv3Liquidity], 0, me, OPTS)
    lp_after = ousd_metapool.balanceOf(me)
    return [crv3Liquidity, ousd_to_add, lp_after-lp_before]