chore: event registry table migration

scripts/migrations/src/migrations/20241216T160549_event_registry.ts

@@ -0,0 +1,27 @@
+import { Kysely } from "kysely";
+
+/**
+ * The up function is called when you update your database schema to the next version and down when you go back to previous version.
+ * The only argument for the functions is an instance of Kysely<any>. It's important to use Kysely<any> and not Kysely<YourDatabase>.
+ * ref: https://kysely.dev/docs/migrations#migration-files
+ */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export async function up(db: Kysely<any>): Promise<void> {
+    const CHAIN_ID_TYPE = "integer";
+
+    await db.schema
+        .createTable("events")
+        .addColumn("chainId", CHAIN_ID_TYPE)
+        .addColumn("blockNumber", "integer")
+        .addColumn("blockTimestamp", "integer")
+        .addColumn("logIndex", "integer")
+        .addColumn("rawEvent", "jsonb")
+        .addPrimaryKeyConstraint("events_pkey", ["chainId"])
+        .execute();
+}
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export async function down(db: Kysely<any>): Promise<void> {
+    // Drop everything in reverse order
+    await db.schema.dropTable("events").execute();
+}