pub fn get_fee_payer<'a, 'b>(
    authority: &UncheckedAccount<'_>,
    auction_house: &Account<'_, AuctionHouse>,
    wallet: AccountInfo<'a>,
    auction_house_fee_account: AccountInfo<'a>,
    auction_house_seeds: &'b [&'b [u8]]
) -> Result<(AccountInfo<'a>, &'b [&'b [u8]])>