Salehcompare tobin tax vs spread fee
    Updated 2022-03-27
    SELECT CASE WHEN s.date is null then t.DATE
    else s.date end as date,
    t.amount as tubin_gas_fee,
    s.fee_usd as spread_gas_fee
    FROM
    (SELECT date_trunc('month', block_timestamp)::date as date,
    sum(fee[0]:amount)/1000000 as amount
    FROM terra.transactions
    WHERE fee[0]:denom = 'uusd'
    GROUP by date) t
    full join
    (SELECT date_trunc('month', block_timestamp)::date as DATE,
    sum(SWAP_FEE_AMOUNT_USD) as fee_usd
    FROM terra.swaps
    WHERE ((token_0_currency = 'LUNA' and token_1_currency = 'UST') OR (token_1_currency = 'LUNA' and token_0_currency = 'UST'))
    and block_timestamp::date<='2021-09-30'
    group by date) s
    on s.date= t.date
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