BitWasp\Trezor\Device\Command\PingService

Complexity

Total Complexity

6

Size/Duplication

Total Lines	34
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
B	call()	0	32	6

<?php

declare(strict_types=1);

namespace BitWasp\Trezor\Device\Command;

use BitWasp\Trezor\Bridge\Session;
use BitWasp\Trezor\Device\Exception\IncorrectNonceException;
use BitWasp\Trezor\Device\Exception\UnexpectedResultException;
use BitWasp\Trezor\Device\Message;
use BitWasp\Trezor\Device\UserInput\CurrentPassphraseInputInterface;
use BitWasp\Trezor\Device\UserInput\CurrentPinInputInterface;
use BitWasp\TrezorProto\ButtonRequest;
use BitWasp\TrezorProto\ButtonRequestType;
use BitWasp\TrezorProto\PassphraseRequest;
use BitWasp\TrezorProto\Ping;
use BitWasp\TrezorProto\PinMatrixRequest;
use BitWasp\TrezorProto\Success;

class PingService extends DeviceService
{
    public function call(
        Session $session,
        Ping $ping,
        CurrentPinInputInterface $pinInput,
        CurrentPassphraseInputInterface $passphraseInput
    ): Success {
        $proto = $session->sendMessage(Message::ping($ping));
        if ($proto instanceof ButtonRequest) {
            // allow user to accept with the button
            $proto = $session->sendMessage($this->confirmWithButton($proto, ButtonRequestType::ButtonRequest_ProtectCall()));
        }

        // allow user to accept with their pin
        if ($proto instanceof PinMatrixRequest) {
            $proto = $session->sendMessage($this->provideCurrentPin($proto, $pinInput));
        }

        // allow user to accept with their passphrase
        if ($proto instanceof PassphraseRequest) {
            $proto = $session->sendMessage($this->provideCurrentPassphrase($passphraseInput));
        }

        if (!($proto instanceof Success)) {
            throw new UnexpectedResultException("Unexpected response, expecting Success, got " . get_class($proto));
        }

        /** @var Success $proto */
        if (!hash_equals($proto->getMessage(), $ping->getMessage())) {
            throw new IncorrectNonceException("Nonce returned by device was incorrect");
        }

        return $proto;
    }
}