force one entry

EspressoSystems · Oct 8, 2024 · e225c69 · e225c69
1 parent 85931e5
commit e225c69
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Showing 2 changed files with 4 additions and 5 deletions.
diff --git a/sequencer/api/migrations/V38__upgrade_certificate.sql b/sequencer/api/migrations/V38__upgrade_certificate.sql
@@ -1,6 +1,5 @@
 CREATE TABLE upgrade_certificate (
-     -- The ID is always set to 0. Setting it explicitly allows us to enforce with every insert or
-    -- update that there is only a single entry in this table: the latest known state.
-    id INT PRIMARY KEY,
+    id bool PRIMARY KEY DEFAULT true,
     data BYTEA
 );
+REVOKE DELETE, TRUNCATE ON upgrade_certificate FROM public;
diff --git a/sequencer/src/persistence/sql.rs b/sequencer/src/persistence/sql.rs
@@ -554,7 +554,7 @@ impl SequencerPersistence for Persistence {
             .db
             .read()
             .await?
-            .query_opt_static("SELECT * FROM upgrade_certificate where id = 0")
+            .query_opt_static("SELECT * FROM upgrade_certificate where id = true")
             .await?;
 
         result
@@ -580,7 +580,7 @@ impl SequencerPersistence for Persistence {
             "upgrade_certificate",
             ["id", "data"],
             ["id"],
-            [[sql_param(&0i32), sql_param(&upgrade_certificate_bytes)]],
+            [[sql_param(&true), sql_param(&upgrade_certificate_bytes)]],
         )
         .await?;
         tx.commit().await