feat: changed backend-pg to backend

backend/src/db/migrations/20231201151432_backup-key.ts

@@ -0,0 +1,26 @@
+import { Knex } from "knex";
+
+import { TableName } from "../schemas";
+
+export async function up(knex: Knex): Promise<void> {
+  const doesTableExist = await knex.schema.hasTable(TableName.BackupPrivateKey);
+  if (!doesTableExist) {
+    await knex.schema.createTable(TableName.BackupPrivateKey, (t) => {
+      t.uuid("id", { primaryKey: true }).defaultTo(knex.fn.uuid());
+      t.text("encryptedPrivateKey").notNullable();
+      t.text("iv").notNullable();
+      t.text("tag").notNullable();
+      t.string("algorithm").notNullable();
+      t.string("keyEncoding").notNullable();
+      t.text("salt").notNullable();
+      t.text("verifier").notNullable();
+      t.timestamps(true, true, true);
+      t.uuid("userId").notNullable().unique();
+      t.foreign("userId").references("id").inTable(TableName.Users).onDelete("CASCADE");
+    });
+  }
+}
+
+export async function down(knex: Knex): Promise<void> {
+  await knex.schema.dropTableIfExists(TableName.BackupPrivateKey);
+}