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[MEVBlocker] additional columns on base value_per_tx query #134

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Feb 10, 2025
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[MEVBlocker] additional columns on base value_per_tx query #134

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11 changes: 9 additions & 2 deletions mevblocker/fees/value_per_tx_4188777.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,7 @@ last_tx_in_bundle AS (
searcher_txs AS (
SELECT
m.tx_1,
m.tx_from_1,
m.hash AS search_tx,
m.index,
m.block_number,
Expand All @@ -116,7 +117,9 @@ kickback_txs AS (
et.hash,
st.search_tx,
st.tx_1 AS target_tx,
st.tx_from_1 AS target_from,
value AS backrun_value_wei,
et.to AS refund_recipient,
CAST(et.gas_used AS uint256) * (et.gas_price - COALESCE(b.base_fee_per_gas, 0)) AS backrun_tip_wei
FROM searcher_txs AS st
INNER JOIN ethereum_transactions_filtered AS et
Expand All @@ -139,26 +142,30 @@ user_txs AS (
tx.block_time,
tx.block_number,
tx.hash,
tx.tx_from,
CAST(tx.gas_used AS uint256) * (tx.gas_price - COALESCE(b.base_fee_per_gas, 0)) AS user_tip_wei
FROM mev_blocker_tx AS tx
LEFT JOIN ethereum.blocks AS b ON block_number = number
WHERE
tx.hash NOT IN (SELECT search_tx FROM searcher_txs)
AND CAST(tx.hash AS varchar) NOT IN (SELECT hash FROM nonexclusive_flow)
-- deduplicate approve txs that appear in bundles and individually
GROUP BY 1, 2, 3, 4
GROUP BY 1, 2, 3, 4, 5
)

-- coalesce is needed because of the outer join
SELECT
COALESCE(u.block_time, kickback.block_time) AS block_time,
COALESCE(u.block_number, kickback.block_number) AS block_number,
COALESCE(u.hash, kickback.target_tx) AS hash,
COALESCE(u.tx_from, kickback.target_from) AS address,
ARRAY_AGG(searcher.search_tx) AS searcher_txs,
ARRAY_AGG(kickback.hash) AS kickback_txs,
COALESCE(user_tip_wei, 0) AS user_tip_wei,
COALESCE(SUM(backrun_value_wei), 0) AS backrun_value_wei,
COALESCE(SUM(backrun_tip_wei), 0) AS backrun_tip_wei,
-- in practice there is only a single refund recipient per target transaction. Collapsing using the largest is a bit hacky but should work.
MAX(refund_recipient) AS refund_recipient,
CAST(0.3 * (COALESCE(user_tip_wei, 0) + COALESCE(SUM(backrun_tip_wei), 0) + (COALESCE(SUM(backrun_value_wei), 0) / 9)) AS uint256) AS tx_mevblocker_fee_wei
FROM user_txs AS u
LEFT JOIN searcher_txs AS searcher
Expand All @@ -168,4 +175,4 @@ FULL JOIN kickback_txs AS kickback
ON
u.hash = kickback.target_tx
AND searcher.search_tx = kickback.search_tx
GROUP BY 1, 2, 3, 6
GROUP BY 1, 2, 3, 4, 7