exchange-2.0/database/migrations/2020_10_22_071121_create_addresses_table.php

<?php

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;

class CreateAddressesTable extends Migration
{

    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('addresses', function (Blueprint $table) {
            $table->id();
            $table->bigInteger('country_id')->unsigned()->nullable();
            $table->foreign('country_id')->references('id')->on('countries')->onDelete('cascade');
            $table->bigInteger('company_id')->unsigned()->nullable();
            $table->foreign('company_id')->references('id')->on('companies')->onDelete('cascade');
            $table->bigInteger('state_id')->unsigned()->nullable();
            $table->foreign('state_id')->references('id')->on('states')->onDelete('cascade');
            $table->bigInteger('district_id')->unsigned()->nullable();
            $table->foreign('district_id')->references('id')->on('districts')->onDelete('cascade');
            $table->string('postcode')->nullable();
            $table->string('street_one')->nullable();
            $table->string('street_two')->nullable();
            $table->integer('billing_type')->nullable();
            $table->timestamps();
            $table->softDeletes();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::drop('addresses');
    }
}