Merge pull request #4 from cowprotocol/monthly_fee_query

Monthly fee query

mevblocker/fees/fee_4002039.sql

@@ -0,0 +1,64 @@
+-- Computes the monthly per block fee that MEVBlocker subscribed builders need to pay for every block they land.
+-- Parameters:
+--  {{start}} - the timestamp for which the analysis should start (inclusively)
+--  {{end}} - the timestamp for which the analysis should end (exclusively)
+
+WITH block_range AS (
+    SELECT
+        MIN(number) AS start_block,
+        MAX(number) + 1 AS end_block -- range is exclusive
+    FROM ethereum.blocks
+    WHERE
+        time >= TIMESTAMP '{{start}}'
+        AND time < TIMESTAMP '{{end}}'
+),
+
+builders_extra_data AS (
+    SELECT
+        start_block,
+        end_block,
+        ed.extra_data_item
+    FROM query_4001804
+    CROSS JOIN UNNEST(extra_data) AS ed (extra_data_item)
+),
+
+builder_addresses AS (
+    SELECT
+        start_block,
+        end_block,
+        t.builder_address
+    FROM query_4001804
+    CROSS JOIN UNNEST(builder_addresses) AS t (builder_address)
+),
+
+-- select number of blocks from subscribed builders
+blocks AS (
+    SELECT COUNT(*) AS cnt_blocks
+    FROM ethereum.raw_0004 AS b
+    WHERE
+        (
+            FROM_HEX(b.block.extraData) IN (SELECT extra_data_item FROM builders_extra_data WHERE blockNumber >= start_block AND blockNumber < end_block) --noqa: RF01
+            OR FROM_HEX(b.block.miner) IN (SELECT builder_address FROM builder_addresses WHERE blockNumber >= start_block AND blockNumber < end_block) --noqa: RF01
+        )
+        AND b.blockNumber >= (SELECT start_block FROM block_range)
+        AND b.blockNumber < (SELECT end_block FROM block_range)
+),
+
+-- select total fee
+fee AS (
+    SELECT
+        SUM(user_tip_wei) AS total_user_tip_wei,
+        SUM(backrun_value_wei) AS total_backrun_value_wei,
+        SUM(backrun_tip_wei) AS total_backrun_tip_wei,
+        SUM(block_fee_wei) AS total_fee_wei
+    FROM "query_3999838(start='{{start}}', end='{{end}}')"
+)
+
+-- compute average fee per block
+SELECT
+    f.*,
+    b.cnt_blocks AS total_blocks,
+    (f.total_fee_wei / b.cnt_blocks) AS avg_block_fee_wei,
+    (f.total_fee_wei / b.cnt_blocks / 1e18) AS avg_block_fee
+FROM fee AS f
+CROSS JOIN blocks AS b