<?php
namespace App;
use Illuminate\Database\Eloquent\Model;

class OptionOrder extends Model
{
    protected $table = 'option_order';
    protected $fillable = ['user_id','pair_id','symbol','direction','amount','fee','open_price','close_price','profit_rate','income','delivery_time','status'];
    public function pair() { return $this->belongsTo(OptionPair::class, 'pair_id'); }
}