feat(update-validator-rewards): use median instead of avg

most proposers, even bigger companies will earn closer to the median than the average.
ultrasoundmoney · Dec 3, 2024 · 4f3b014 · 4f3b014
1 parent 5e6d772
commit 4f3b014
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diff --git a/.sqlx/query-c4a8b0ebbad2dff414a26c5bb92f50c3a4a481e7d1f839459798236cbffd25fe.json b/.sqlx/query-c4a8b0ebbad2dff414a26c5bb92f50c3a4a481e7d1f839459798236cbffd25fe.json
diff --git a/.sqlx/query-d8e2b668a36e6272aa9a6da3da4f3aa3ec234de3b4051ae7765b32770ed1c6eb.json b/.sqlx/query-d8e2b668a36e6272aa9a6da3da4f3aa3ec234de3b4051ae7765b32770ed1c6eb.json
diff --git a/src/bin/update-validator-rewards/mev_blocks.rs b/src/bin/update-validator-rewards/mev_blocks.rs
@@ -47,15 +47,15 @@ pub async fn calc_mev_reward(
 ) -> Result<ValidatorReward> {
     let mev_per_slot: EthNewtype = sqlx::query!(
         "
-        SELECT AVG(bid_wei)::TEXT
+        SELECT PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY bid_wei)::TEXT AS median_bid_wei
         FROM mev_blocks
         WHERE timestamp > NOW() - INTERVAL '6 months'
         "
     )
     .fetch_one(executor)
     .await
     .unwrap()
-    .avg
+    .median_bid_wei
     .context("expect at least one block in mev_blocks table before computing MEV reward")?
     .parse::<WeiNewtype>()
     .context("failed to parse MEV per slot as Wei")?