akaunting/database/migrations/2017_09_01_000000_create_transfers_table.php

<?php

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

class CreateTransfersTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('transfers', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('company_id');
            $table->integer('payment_id');
            $table->integer('revenue_id');
            $table->timestamps();
            $table->softDeletes();

            $table->index('company_id');
        });
    }

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