iso8583_esm/lib/requiredEcho.js

A javascript library for messaging in iso 8583 messaging format.

import * as helpers from './helpers';
export function requiredEcho(json, iso_send, iso_answer) {
    const message_code = `${iso_send[0]}`;
    const processing_code = `${iso_send[3]}`;
    const key = 'required_echo';
    const required_fields = helpers.findRequiredFields(json, key, processing_code, message_code);
    for (let i = 0; i < required_fields.length; i++) {
        const field = required_fields[i];
        if (iso_send[field] !== iso_answer[field]) {
            return false;
        }
    }
    return true;
}