SELECT date(t2.block_timestamp) AS date, SUM(swap_fee_amount_usd) AS SUM_Swap_Fee_USD
FROM terra.swaps t1
INNER JOIN terra.blocks t2
ON t1.block_id = t2.block_id
WHERE swap_pair= 'LUNA to UST' AND date >= '2021-12-01'
GROUP BY date
ORDER BY date DESC
LIMIT 100;