fixes

deploy/create_roles.sql

@@ -5,6 +5,8 @@ grant all on schema public to backend;
 create role srv;
 grant connect on database dexorder to srv;
 -- for fetching orders
+grant select on seriesdict to srv;
+-- for fetching orders
 grant select on orderindex to srv;
 grant select on token to srv;
 grant select on pool to srv;