Completed
Pull Request — master (#451)
by thomas
30:19 queued 02:49
created

SignatureSort::link()   B

Complexity

Conditions 5
Paths 5

Size

Total Lines 19
Code Lines 11

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 30

Importance

Changes 0
Metric Value
cc 5
eloc 11
nc 5
nop 3
dl 0
loc 19
ccs 0
cts 17
cp 0
crap 30
rs 8.8571
c 0
b 0
f 0
1
<?php
2
3
namespace BitWasp\Bitcoin\Signature;
4
5
use BitWasp\Bitcoin\Bitcoin;
6
use BitWasp\Bitcoin\Crypto\EcAdapter\Adapter\EcAdapterInterface;
7
use BitWasp\Buffertools\BufferInterface;
8
9
class SignatureSort implements SignatureSortInterface
10
{
11
    /**
12
     * @var EcAdapterInterface
13
     */
14
    private $ecAdapter;
15
16
    /**
17
     * SignatureSort constructor.
18
     * @param EcAdapterInterface $ecAdapter
19
     */
20
    public function __construct(EcAdapterInterface $ecAdapter = null)
21
    {
22
        $this->ecAdapter = $ecAdapter ?: Bitcoin::getEcAdapter();
23
    }
24
25
    /**
26
     * @param \BitWasp\Bitcoin\Crypto\EcAdapter\Signature\SignatureInterface[] $signatures
27
     * @param \BitWasp\Bitcoin\Crypto\EcAdapter\Key\PublicKeyInterface[] $publicKeys
28
     * @param BufferInterface $messageHash
29
     * @return \SplObjectStorage
30
     */
31
    public function link(array $signatures, array $publicKeys, BufferInterface $messageHash)
32
    {
33
        $sigCount = count($signatures);
34
        $storage = new \SplObjectStorage();
35
        foreach ($signatures as $signature) {
36
            foreach ($publicKeys as $key) {
37
                if ($this->ecAdapter->verify($messageHash, $key, $signature)) {
38
                    $storage->attach($key, $signature);
39
                    if (count($storage) === $sigCount) {
40
                        break 2;
41
                    }
42
43
                    break;
44
                }
45
            }
46
        }
47
48
        return $storage;
49
    }
50
}
51