SELECT DISTINCT s.tx_hash as tx_hash,

gas_price AS gas_price_gwei,

DATE_TRUNC('month', s.block_timestamp) AS month

FROM crosschain.defi.ez_dex_swaps s

JOIN ethereum.core.fact_transactions t ON s.tx_hash = t.tx_hash

WHERE lower(platform) LIKE 'uniswap%'

AND s.blockchain = 'ethereum'

AND s.block_timestamp >= '2020-01-01'

),

average_gas_price_per_month AS (

SELECT

DATE_TRUNC('month', block_timestamp) AS month,

AVG(gas_price) AS avg_gas_price_gwei

FROM ethereum.core.fact_transactions

WHERE block_timestamp >= '2020-01-01'

GROUP BY month

u.month,

CASE

WHEN u.gas_price_gwei > 200 THEN '200+ gwei'

WHEN u.gas_price_gwei > 100 AND u.gas_price_gwei <= 200 THEN '100-200 gwei'

WHEN u.gas_price_gwei > 50 AND u.gas_price_gwei <= 100 THEN '50-100 gwei'

WHEN u.gas_price_gwei > 25 AND u.gas_price_gwei <= 50 THEN '25-50 gwei'

WHEN u.gas_price_gwei > 10 AND u.gas_price_gwei <= 25 THEN '10-25 gwei'

ELSE '0-10 gwei'

END AS category,

COUNT(u.tx_hash) AS number_of_swaps,

a.avg_gas_price_gwei / 6 as avg_gas_price -- due to aggregation on the bar chart

FROM uniswap_swaps_gas_price u

JOIN average_gas_price_per_month a ON u.month = a.month

GROUP BY u.month, category, a.avg_gas_price_gwei

ORDER BY