hotfix: 500 on ada-holder/stake key voting power

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

@@ -1,13 +1,46 @@
+WITH RewardRest AS (
+  SELECT 
+    SUM(amount) AS amount,
+    addr_id
+  FROM
+    reward_rest
+  GROUP BY
+    addr_id
+),
+Reward AS (
+  SELECT
+    SUM(amount) AS amount,
+    addr_id
+  FROM
+    reward
+  GROUP BY
+    addr_id
+),
+Balance AS (
+  SELECT
+    COALESCE(SUM(uv.value), 0) AS amount,
+    sa.id AS addr_id,
+    encode(sa.hash_raw, 'hex') AS addr_raw
+  FROM
+    stake_address sa
+  JOIN utxo_view uv ON uv.stake_address_id = sa.id
+  GROUP BY
+    addr_id,
+    addr_raw
+)
 SELECT
-  COALESCE(SUM(tx_out.value), 0) AS voting_power,
-  stake_address.id as addr_id
+  (COALESCE(rr.amount, 0) + COALESCE(r.amount, 0) + COALESCE(b.amount, 0)) AS total_balance,
+  b.addr_raw
 FROM
-  stake_address
-JOIN
-  tx_out on tx_out.stake_address_id = stake_address.id
+  Balance b
 LEFT JOIN
-  tx_in ON tx_in.tx_out_id = tx_out.id AND tx_in.tx_out_index = tx_out.index
+  RewardRest rr ON rr.addr_id = b.addr_id
+LEFT JOIN
+  Reward r ON r.addr_id = rr.addr_id
 WHERE
-  stake_address.hash_raw = decode(?, 'hex') AND tx_in.id IS NULL
+  b.addr_id = (SELECT id FROM stake_address WHERE hash_raw = decode(?, 'hex'))
 GROUP BY
-  stake_address.id;
+  b.addr_raw,
+  rr.amount,
+  r.amount,
+  b.amount