<?php
declare(strict_types=1);
namespace ParagonIE\Halite\Structure;
class Node
{
private $data;
private $hash;
public function __construct(string $data)
{
$this->data = $data;
$this->hash = \Sodium\crypto_generichash($data);
}
/**
* Get the data
*
* @return string
*/
public function getData(): string
{
return $this->data;
}
/**
* Get a hash of the data (defaults to hex encoded)
*
* @param bool $raw
* @return string
*/
public function getHash(bool $raw = false): string
{
if ($raw) {
return $this->hash;
}
return \Sodium\bin2hex($this->hash);
}
/**
* Nodes are immutable, but you can create one with extra data.
*
* @param string $concat
* @return Node
*/
public function getExpandedNode(string $concat): Node
{
return new Node($this->data . $concat);
}
}
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