Completed
Pull Request — master (#359)
by Ruben de
14:27
created

PrivateKeySerializer::fromParser()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 7
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 1.0233

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 5
c 1
b 0
f 0
nc 1
nop 1
dl 0
loc 7
ccs 5
cts 7
cp 0.7143
crap 1.0233
rs 9.4285
1
<?php
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namespace BitWasp\Bitcoin\Crypto\EcAdapter\Impl\PhpEcc\Serializer\Key;
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use BitWasp\Bitcoin\Crypto\EcAdapter\Impl\PhpEcc\Adapter\EcAdapter;
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use BitWasp\Bitcoin\Crypto\EcAdapter\Serializer\Key\PrivateKeySerializerInterface;
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use BitWasp\Bitcoin\Crypto\EcAdapter\Impl\PhpEcc\Key\PrivateKey;
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use BitWasp\Bitcoin\Crypto\EcAdapter\Key\PrivateKeyInterface;
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use BitWasp\Buffertools\Buffer;
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use BitWasp\Buffertools\BufferInterface;
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use BitWasp\Buffertools\Parser;
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class PrivateKeySerializer implements PrivateKeySerializerInterface
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{
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    /**
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     * @var EcAdapter
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     */
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    private $ecAdapter;
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    /**
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     * @var bool
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     */
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    private $haveNextCompressed = false;
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    /**
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     * @param EcAdapter $ecAdapter
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     */
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    public function __construct(EcAdapter $ecAdapter)
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    {
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        $this->ecAdapter = $ecAdapter;
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    }
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    /**
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     * @param PrivateKeyInterface $privateKey
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     * @return BufferInterface
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     */
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    public function serialize(PrivateKeyInterface $privateKey)
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    {
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        return Buffer::int(
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            gmp_strval($privateKey->getSecret(), 10),
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            32,
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            $this->ecAdapter->getMath()
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        );
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    }
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    /**
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     * @return $this
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     */
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    public function setNextCompressed()
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    {
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        $this->haveNextCompressed = true;
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        return $this;
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    }
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    /**
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     * @param Parser $parser
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     * @return PrivateKey
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     */
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    public function fromParser(Parser $parser)
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    {
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        $compressed = $this->haveNextCompressed;
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        $this->haveNextCompressed = false;
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        $int = gmp_init($parser->readBytes(32)->getHex(), 16);
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        return $this->ecAdapter->getPrivateKey($int, $compressed);
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    }
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    /**
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     * @param BufferInterface|string $string
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     * @return PrivateKey
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     */
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    public function parse($string)
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    {
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        return $this->fromParser(new Parser($string));
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    }
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}
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