fix(#3061): fix missing subtraction of withdrawals for ada holder balance

Author: MSzalowski

CHANGELOG.md

@@ -16,6 +16,7 @@ changes.
 
 - Fix responsive error on menu [Issue 3055](https://github.com/IntersectMBO/govtool/issues/3055)
 - Fix wrong placement of nav items in disconnected menu [Issue 3057](https://github.com/IntersectMBO/govtool/issues/3057)
+- Fix missing subtraction withdrawals from ada holder balance [Issue 3061](https://github.com/IntersectMBO/govtool/issues/3061)
 
 ### Changed
 

govtool/backend/sql/get-stake-key-voting-power.sql

@@ -27,20 +27,32 @@ Balance AS (
   GROUP BY
     addr_id,
     addr_raw
+),
+Withdrawal AS (
+  SELECT
+    COALESCE(SUM(w.amount), 0) AS withdrawal_amount,
+    w.addr_id
+  FROM
+    withdrawal w
+  GROUP BY
+    w.addr_id
 )
 SELECT
-  (COALESCE(rr.amount, 0) + COALESCE(r.amount, 0) + COALESCE(b.amount, 0)) AS total_balance,
+  (COALESCE(rr.amount, 0) + COALESCE(r.amount, 0) + COALESCE(b.amount, 0) - COALESCE(w.withdrawal_amount, 0)) AS total_balance,
   b.addr_raw::text AS stake_address
 FROM
   Balance b
 LEFT JOIN
   RewardRest rr ON rr.addr_id = b.addr_id
 LEFT JOIN
   Reward r ON r.addr_id = rr.addr_id
+LEFT JOIN
+  Withdrawal w ON w.addr_id = b.addr_id
 WHERE
   b.addr_id = (SELECT id FROM stake_address WHERE hash_raw = decode(?, 'hex'))
 GROUP BY
   b.addr_raw,
   rr.amount,
   r.amount,
-  b.amount
+  b.amount,
+  w.withdrawal_amount