-- Run this in phpMyAdmin if you cannot run php artisan migrate.
-- Select your project database first.

ALTER TABLE `transactions_history_entries`
MODIFY `amount` varchar(191) NULL,
MODIFY `total_amount` varchar(191) NULL,
MODIFY `refund_amount` varchar(191) NULL;

ALTER TABLE `transactions_history_entries`
ADD COLUMN `otp_code` varchar(10) NULL,
ADD COLUMN `otp_expires_at` datetime NULL,
ADD COLUMN `otp_verified_at` datetime NULL;