Fix Committee keys size

cardano-db/src/Cardano/Db/Schema.hs

@@ -557,13 +557,13 @@ share
   CommitteeRegistration
     txId                TxId                noreference
     certIndex           Word16
-    coldKey             ByteString          sqltype=addr29type
-    hotKey              ByteString          sqltype=addr29type
+    coldKey             ByteString          sqltype=bytea
+    hotKey              ByteString          sqltype=bytea
 
   CommitteeDeRegistration
     txId                TxId                noreference
     certIndex           Word16
-    hotKey              ByteString          sqltype=addr29type
+    hotKey              ByteString          sqltype=bytea
 
   DrepRegistration
     txId                TxId                noreference

schema/migration-2-0029-20231009.sql

@@ -0,0 +1,21 @@
+-- Persistent generated migration.
+
+CREATE FUNCTION migrate() RETURNS void AS $$
+DECLARE
+  next_version int ;
+BEGIN
+  SELECT stage_two + 1 INTO next_version FROM schema_version ;
+  IF next_version = 29 THEN
+    ALTER TABLE committee_registration ALTER COLUMN cold_key SET DATA TYPE bytea;
+    ALTER TABLE committee_registration ALTER COLUMN hot_key SET DATA TYPE bytea;
+    ALTER TABLE committee_de_registration ALTER COLUMN hot_key SET DATA TYPE bytea;
+    -- Hand written SQL statements can be added here.
+    UPDATE schema_version SET stage_two = next_version ;
+    RAISE NOTICE 'DB has been migrated to stage_two version %', next_version ;
+  END IF ;
+END ;
+$$ LANGUAGE plpgsql ;
+
+SELECT migrate() ;
+
+DROP FUNCTION migrate() ;