fix: calculating child and parent balance

src/db/migrations/1757433339849-add-reservation-amount-to-account-entity.ts

@@ -0,0 +1,13 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddReservationAmountToAccountEntity1757433339849 implements MigrationInterface {
+  name = 'AddReservationAmountToAccountEntity1757433339849';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`ALTER TABLE "accounts" ADD "reserved_balance" numeric(10,2) NOT NULL DEFAULT '0'`);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`ALTER TABLE "accounts" DROP COLUMN "reserved_balance"`);
+  }
+}