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class block{
private $index;
private $timestamp;
private $data;
private $previous_hash;
private $random_str;
private $hash;
public function __construct($index,$timestamp,$data,$random_str,$previous_hash)
{
$this->index=$index;
$this->timestamp=$timestamp;
$this->data=$data;
$this->previous_hash=$previous_hash;
$this->random_str=$random_str;
$this->hash=$this->hash_block();
}
public function __get($name){
return $this->$name;
}
private function hash_block(){
$str=$this->index.$this->timestamp.$this->data.$this->random_str.$this->previous_hash;
return hash("sha256",$str);
}
}