Method TryFromString

php/src/vaas/Sha256.php:46–56

* Gets Sha256 from string * @param string $hashString the string to create the hash from * @return Future that resolves to the sha256 object * @throws InvalidSha256Exception if the hash is invalid */

(string $hashString)

     * @throws InvalidSha256Exception if the hash is invalid
     */
    public static function TryFromString(string $hashString): Future
    {
        return async(function () use($hashString) {
            if (Sha256::IsValid($hashString)->await()) {
                $sha256 = new Sha256();
                $sha256->_hash = $hashString;
                return $sha256;
            }
            throw new InvalidSha256Exception();
        });
    }

    /**
     * Validates a hash to be a valid sha256