Pterodactyl-Panel/database/migrations/2017_08_05_174811_SetAllocationUnqiueUsingMultipleFields.php

<?php

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

class SetAllocationUnqiueUsingMultipleFields extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('allocations', function (Blueprint $table) {
            $table->unique(['node_id', 'ip', 'port']);
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('allocations', function (Blueprint $table) {
            $table->dropUnique(['node_id', 'ip', 'port']);
        });
    }
}