Decred Wallet Class - PHP

example.php

<?php
include_once('Wallet.php');

$wallet = Decred\Wallet::create(Decred\Wallet::SEED); // create with seed
// or
$wallet = Decred\Wallet::create(Decred\Wallet::NOSEED); // create without seed

Wallet.php

<?php
/**
 * Decred class to simplify the use of dcraddrgen
 * @author Walker de Alencar <@walkeralencar>
 * @license LGPL 3
 */
namespace Decred;

class Wallet
{
    const SEED = 'seed',
          NOSEED = 'noseed';

    private $address = null;

    /**
     * @param $output
     * @param string $type can use: 'seed'|'noseed'
     * @return string
     * @throws Exception
     */
    protected function generate($output, $type = Decred\Wallet::SEED)
    {
        if (!in_array($type, ['seed', 'noseed'])) {
            throw new \Exception('Invalid Type!');
        }

        if (!exec('dcraddrgen'.($type === 'seed' ? '' : ' -'.$type).' '.$output)) {
            throw new \Exception('dcraddrgen Not Working!');
        }

        $address = file_get_contents($output);

        unlink($output); // DELETE FILE FROM DISK

        return $address;
    }

    /**
     * @param $output
     * @param string $type can use: 'seed'|'noseed'
     * @return array
     * @throws Exception
     */
    public static function create($type)
    {
        $address = null;
        try {
            $address = (new self)->generate(microtime(true), $type);
        } catch (\Exception $e) {
            $result = [
                'error' => true,
                'message' => $e->getMessage()
            ];
        } finally {
            $result = [
                'error' => false,
                'message' => 'Wallet ' . $type . ' generated with sucess!',
                'wallet' => $address
            ];
        }

        return $result;

    }

}