extracted payment password validator from transfer route to its own validator

src/validators/payment.secret.validator.js

@@ -0,0 +1,15 @@
+const tpasswordValidator = require('./tpassword.validator.js');
+const tpinValidator = require('./tpin.validator.js');
+
+const paymentSecretValidator = async (req, res, next) => {
+  const { tpin, tpassword } = req.body;
+  if (tpin) {
+    return tpinValidator(req, res, next);
+  } else if (tpassword) {
+    return tpasswordValidator(req, res, next);
+  } else {
+    return res.status(400).json({ error: 'tpin or tpassword is required' });
+  }
+};
+
+module.exports = paymentSecretValidator;