Completed
Push — master ( a8a46d...6b0176 )
by thomas
23:45
created

PrivateKeyFactory::generate()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 6
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 3
CRAP Score 1

Importance

Changes 0
Metric Value
cc 1
eloc 3
nc 1
nop 1
dl 0
loc 6
ccs 3
cts 3
cp 1
crap 1
rs 9.4285
c 0
b 0
f 0
1
<?php
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declare(strict_types=1);
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namespace BitWasp\Bitcoin\Key\Factory;
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use BitWasp\Bitcoin\Bitcoin;
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use BitWasp\Bitcoin\Crypto\EcAdapter\Adapter\EcAdapterInterface;
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use BitWasp\Bitcoin\Crypto\EcAdapter\EcSerializer;
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use BitWasp\Bitcoin\Crypto\EcAdapter\Key\PrivateKeyInterface;
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use BitWasp\Bitcoin\Crypto\EcAdapter\Serializer\Key\PrivateKeySerializerInterface;
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use BitWasp\Bitcoin\Crypto\Random\Random;
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use BitWasp\Bitcoin\Network\NetworkInterface;
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use BitWasp\Bitcoin\Serializer\Key\PrivateKey\WifPrivateKeySerializer;
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use BitWasp\Buffertools\Buffer;
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use BitWasp\Buffertools\BufferInterface;
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class PrivateKeyFactory
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{
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    /**
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     * @var bool
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     */
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    private $compressed;
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    /**
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     * @var PrivateKeySerializerInterface
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     */
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    private $privSerializer;
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    /**
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     * @var WifPrivateKeySerializer
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     */
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    private $wifSerializer;
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    /**
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     * PrivateKeyFactory constructor.
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     * @param bool $compressed
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     * @param EcAdapterInterface $ecAdapter
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     */
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    public function __construct(bool $compressed, EcAdapterInterface $ecAdapter = null)
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    {
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        $ecAdapter = $ecAdapter ?: Bitcoin::getEcAdapter();
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        $this->privSerializer = EcSerializer::getSerializer(PrivateKeySerializerInterface::class, true, $ecAdapter);
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        $this->wifSerializer = new WifPrivateKeySerializer($this->privSerializer);
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        $this->compressed = $compressed;
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    }
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    /**
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     * @param EcAdapterInterface|null $ecAdapter
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     * @return PrivateKeyFactory
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     */
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    public static function uncompressed(EcAdapterInterface $ecAdapter = null): PrivateKeyFactory
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    {
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        return new self(false, $ecAdapter);
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    }
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    /**
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     * @param EcAdapterInterface|null $ecAdapter
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     * @return PrivateKeyFactory
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     */
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    public static function compressed(EcAdapterInterface $ecAdapter = null): PrivateKeyFactory
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    {
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        return new self(true, $ecAdapter);
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    }
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    /**
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     * @return bool
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     */
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    public function isCompressed(): bool
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    {
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        return $this->compressed;
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    }
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    /**
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     * @param Random $random
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     * @return PrivateKeyInterface
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     * @throws \BitWasp\Bitcoin\Exceptions\RandomBytesFailure
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     */
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    public function generate(Random $random): PrivateKeyInterface
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    {
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        return $this->fromBuffer(
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            $random->bytes(32)
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        );
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    }
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    /**
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     * @param string $hex
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     * @return PrivateKeyInterface
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     * @throws \Exception
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     */
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    public function fromHex(string $hex): PrivateKeyInterface
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    {
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        return $this->fromBuffer(Buffer::hex($hex));
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    }
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    /**
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     * @param BufferInterface $buffer
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     * @return PrivateKeyInterface
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     */
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    public function fromBuffer(BufferInterface $buffer): PrivateKeyInterface
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    {
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        return $this->privSerializer->parse(
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            $buffer,
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            $this->compressed
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        );
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    }
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    /**
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     * @param string $wif
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     * @param NetworkInterface $network
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     * @return PrivateKeyInterface
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     * @throws \BitWasp\Bitcoin\Exceptions\Base58ChecksumFailure
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     * @throws \BitWasp\Bitcoin\Exceptions\InvalidPrivateKey
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     * @throws \Exception
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     */
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    public function fromWif(string $wif, NetworkInterface $network = null): PrivateKeyInterface
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    {
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        return $this->wifSerializer->parse($wif, $network);
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    }
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}
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