NetworkMessageSerializer::parse() - Code Metrics - Inspection of "Bump bitcoin-php" - Bit-Wasp/bitcoin-p2p-php - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#64)

by thomas

created 2016-06-01 00:57 UTC

NetworkMessageSerializer::parse() A

↳ Parent: NetworkMessageSerializer

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
cc	1
eloc	2
nc	1
nop	1
crap	1

<?php

namespace BitWasp\Bitcoin\Networking\Serializer;

use BitWasp\Bitcoin\Bitcoin;
use BitWasp\Bitcoin\Crypto\Hash;
use BitWasp\Bitcoin\Network\NetworkInterface;
use BitWasp\Bitcoin\Networking\Message;
use BitWasp\Bitcoin\Networking\Messages\Block;
use BitWasp\Bitcoin\Networking\Messages\FilterClear;
use BitWasp\Bitcoin\Networking\Messages\GetAddr;
use BitWasp\Bitcoin\Networking\Messages\MemPool;
use BitWasp\Bitcoin\Networking\Messages\SendHeaders;
use BitWasp\Bitcoin\Networking\Messages\Tx;
use BitWasp\Bitcoin\Networking\Messages\VerAck;
use BitWasp\Bitcoin\Networking\NetworkMessage;
use BitWasp\Bitcoin\Networking\Serializer\Message\AddrSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\AlertSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\FeeFilterSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\FilterAddSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\FilterLoadSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\GetBlocksSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\GetDataSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\GetHeadersSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\HeadersSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\InvSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\MerkleBlockSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\NotFoundSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\PingSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\PongSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\RejectSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Message\VersionSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Structure\AlertDetailSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Structure\InventorySerializer;
use BitWasp\Bitcoin\Networking\Serializer\Structure\NetworkAddressSerializer;
use BitWasp\Bitcoin\Networking\Serializer\Structure\NetworkAddressTimestampSerializer;
use BitWasp\Bitcoin\Serializer\Bloom\BloomFilterSerializer;
use BitWasp\Bitcoin\Serializer\Block\FilteredBlockSerializer;
use BitWasp\Bitcoin\Serializer\Block\BlockHeaderSerializer;
use BitWasp\Bitcoin\Serializer\Block\BlockSerializer;
use BitWasp\Bitcoin\Serializer\Block\PartialMerkleTreeSerializer;
use BitWasp\Bitcoin\Serializer\Chain\BlockLocatorSerializer;
use BitWasp\Bitcoin\Serializer\Transaction\TransactionSerializer;
use BitWasp\Buffertools\Buffertools;
use BitWasp\Buffertools\Parser;
use BitWasp\Buffertools\Buffer;
use BitWasp\Buffertools\TemplateFactory;

class NetworkMessageSerializer
{
    /**
     * @var NetworkInterface
     */
    private $network;

    /**
     * @var \BitWasp\Bitcoin\Math\Math
     */
    private $math;

    /**
     * @var TransactionSerializer
     */
    private $txSerializer;

    /**
     * @var BlockHeaderSerializer
     */
    private $headerSerializer;

    /**
     * @var GetDataSerializer
     */
    private $getDataSerializer;

    /**
     * @var InvSerializer
     */
    private $invSerializer;

    /**
     * @var BlockSerializer
     */
    private $blockSerializer;

    /**
     * @var FilteredBlockSerializer
     */
    private $filteredBlockSerializer;

    /**
     * @var HeadersSerializer
     */
    private $headersSerializer;

    /**
     * @var FilterAddSerializer
     */
    private $filterAddSerializer;

    /**
     * @var FilterLoadSerializer
     */
    private $filterLoadSerializer;

    /**
     * @var MerkleBlockSerializer
     */
    private $merkleBlockSerializer;

    /**
     * @var PingSerializer
     */
    private $pingSerializer;

    /**
     * @var AlertSerializer
     */
    private $alertSerializer;

    /**
     * @var InventorySerializer
     */
    private $inventorySerializer;

    /**
     * @var NotFoundSerializer
     */
    private $notFoundSerializer;

    /**
     * @var RejectSerializer
     */
    private $rejectSerializer;

    /**
     * @var BlockLocatorSerializer
     */
    private $blockLocatorSerializer;

    /**
     * @var GetBlocksSerializer
     */
    private $getBlocksSerializer;

    /**
     * @var GetHeadersSerializer
     */
    private $getHeadersSerializer;

    /**
     * @var PongSerializer
     */
    private $pongSerializer;

    /**
     * @var VersionSerializer
     */
    private $versionSerializer;

    /**
     * @var FeeFilterSerializer
     */
    private $feeFilterSerializer;

    /**
     * @var AddrSerializer
     */
    private $addrSerializer;

    /**
     * @param NetworkInterface $network
     */
    public function __construct(NetworkInterface $network)
    {
        $this->math = Bitcoin::getMath();
        $this->network = $network;
        $this->txSerializer = new TransactionSerializer();
        $this->headerSerializer = new BlockHeaderSerializer();
        $this->blockSerializer = new BlockSerializer($this->math, $this->headerSerializer, $this->txSerializer);
        $this->filteredBlockSerializer = new FilteredBlockSerializer($this->headerSerializer, new PartialMerkleTreeSerializer());
        $this->headersSerializer = new HeadersSerializer($this->headerSerializer);
        $this->filterAddSerializer = new FilterAddSerializer();
        $this->filterLoadSerializer = new FilterLoadSerializer(new BloomFilterSerializer());
        $this->merkleBlockSerializer = new MerkleBlockSerializer($this->filteredBlockSerializer);
        $this->pingSerializer = new PingSerializer();
        $this->pongSerializer = new PongSerializer();
        $this->alertSerializer = new AlertSerializer(new AlertDetailSerializer());
        $this->inventorySerializer = new InventorySerializer();
        $this->getDataSerializer = new GetDataSerializer($this->inventorySerializer);
        $this->invSerializer = new InvSerializer($this->inventorySerializer);
        $this->notFoundSerializer = new NotFoundSerializer($this->inventorySerializer);
        $this->feeFilterSerializer = new FeeFilterSerializer();
        $this->rejectSerializer = new RejectSerializer();
        $this->blockLocatorSerializer = new BlockLocatorSerializer();
        $this->getBlocksSerializer = new GetBlocksSerializer($this->blockLocatorSerializer);
        $this->getHeadersSerializer = new GetHeadersSerializer($this->blockLocatorSerializer);
        $this->versionSerializer = new VersionSerializer(new NetworkAddressSerializer());
        $this->addrSerializer = new AddrSerializer(new NetworkAddressTimestampSerializer());
    }

    /**
     * @return \BitWasp\Buffertools\Template
     */
    private function getHeaderTemplate()
    {
        return (new TemplateFactory())
            ->bytestringle(4)
            ->bytestring(12)
            ->uint32le()
            ->bytestring(4)
            ->getTemplate();
    }

    /**
     * @param Parser $parser
     * @return NetworkMessage
     * @throws \BitWasp\Buffertools\Exceptions\ParserOutOfRange
     * @throws \Exception
     */
    public function fromParser(Parser & $parser)
    {
        list ($netBytes, $command, $payloadSize, $checksum) = $this->getHeaderTemplate()->parse($parser);
        /** @var Buffer $netBytes */
        /** @var Buffer $command */
        /** @var int|string $payloadSize */
        /** @var Buffer $checksum */

        if ($netBytes->getHex() !== $this->network->getNetMagicBytes()) {
            throw new \RuntimeException('Invalid magic bytes for network');
        }

        $buffer = $payloadSize > 0
            ? $parser->readBytes($payloadSize)
            : new Buffer('', 0, $this->math);

        // Compare payload checksum against header value
        if (Hash::sha256d($buffer)->slice(0, 4)->getBinary() !== $checksum->getBinary()) {
            throw new \RuntimeException('Invalid packet checksum');
        }

        $cmd = trim($command->getBinary());
        switch ($cmd) {
            case Message::VERSION:
                $payload = $this->versionSerializer->parse($buffer);
                break;
            case Message::VERACK:
                $payload = new VerAck();
                break;
            case Message::SENDHEADERS:
                $payload = new SendHeaders();
                break;
            case Message::ADDR:
                $payload = $this->addrSerializer->parse($buffer);
                break;
            case Message::INV:
                $payload = $this->invSerializer->parse($buffer);
                break;
            case Message::GETDATA:
                $payload = $this->getDataSerializer->parse($buffer);
                break;
            case Message::NOTFOUND:
                $payload = $this->notFoundSerializer->parse($buffer);
                break;
            case Message::GETBLOCKS:
                $payload = $this->getBlocksSerializer->parse($buffer);
                break;
            case Message::GETHEADERS:
                $payload = $this->getHeadersSerializer->parse($buffer);
                break;
            case Message::TX:
                $payload = new Tx($this->txSerializer->parse($buffer));
                break;
            case Message::BLOCK:
                $payload = new Block($this->blockSerializer->parse($buffer));
                break;
            case Message::HEADERS:
                $payload = $this->headersSerializer->parse($buffer);
                break;
            case Message::GETADDR:
                $payload = new GetAddr();
                break;
            case Message::MEMPOOL:
                $payload = new MemPool();
                break;
            case Message::FEEFILTER:
                $payload = $this->feeFilterSerializer->parse($buffer);
                break;
            case Message::FILTERLOAD:
                $payload = $this->filterLoadSerializer->parse($buffer);
                break;
            case Message::FILTERADD:
                $payload = $this->filterAddSerializer->parse($buffer);
                break;
            case Message::FILTERCLEAR:
                $payload = new FilterClear();
                break;
            case Message::MERKLEBLOCK:
                $payload = $this->merkleBlockSerializer->parse($buffer);
                break;
            case Message::PING:
                $payload = $this->pingSerializer->parse($buffer);
                break;
            case Message::PONG:
                $payload = $this->pongSerializer->parse($buffer);
                break;
            case Message::REJECT:
                $payload = $this->rejectSerializer->parse($buffer);
                break;
            case Message::ALERT:
                $payload = $this->alertSerializer->parse($buffer);
                break;
            default:
                throw new \RuntimeException('Invalid command');
        }

        return new NetworkMessage(
            $this->network,
            $payload
        );
    }

    /**
     * @param NetworkMessage $object
     * @return Buffer
     */
    public function serialize(NetworkMessage $object)
    {
        $payload = $object->getPayload()->getBuffer();
        $command = str_pad(unpack("H*", $object->getCommand())[1], 24, '0', STR_PAD_RIGHT);
        $header = $this->getHeaderTemplate()->write([
            Buffer::hex($this->network->getNetMagicBytes(), null, $this->math),
            Buffer::hex($command, null, $this->math),
            $payload->getSize(),
            $object->getChecksum()
        ]);

        return Buffertools::concat($header, $payload);
    }

    /**
     * @param $data
     * @return NetworkMessage
     * @throws \Exception
     */
    public function parse($data)
    {
        return $this->fromParser(new Parser($data, $this->math));
    }
}


1		<?php
2
3		namespace BitWasp\Bitcoin\Networking\Serializer;
4
5		use BitWasp\Bitcoin\Bitcoin;
6		use BitWasp\Bitcoin\Crypto\Hash;
7		use BitWasp\Bitcoin\Network\NetworkInterface;
8		use BitWasp\Bitcoin\Networking\Message;
9		use BitWasp\Bitcoin\Networking\Messages\Block;
10		use BitWasp\Bitcoin\Networking\Messages\FilterClear;
11		use BitWasp\Bitcoin\Networking\Messages\GetAddr;
12		use BitWasp\Bitcoin\Networking\Messages\MemPool;
13		use BitWasp\Bitcoin\Networking\Messages\SendHeaders;
14		use BitWasp\Bitcoin\Networking\Messages\Tx;
15		use BitWasp\Bitcoin\Networking\Messages\VerAck;
16		use BitWasp\Bitcoin\Networking\NetworkMessage;
17		use BitWasp\Bitcoin\Networking\Serializer\Message\AddrSerializer;
18		use BitWasp\Bitcoin\Networking\Serializer\Message\AlertSerializer;
19		use BitWasp\Bitcoin\Networking\Serializer\Message\FeeFilterSerializer;
20		use BitWasp\Bitcoin\Networking\Serializer\Message\FilterAddSerializer;
21		use BitWasp\Bitcoin\Networking\Serializer\Message\FilterLoadSerializer;
22		use BitWasp\Bitcoin\Networking\Serializer\Message\GetBlocksSerializer;
23		use BitWasp\Bitcoin\Networking\Serializer\Message\GetDataSerializer;
24		use BitWasp\Bitcoin\Networking\Serializer\Message\GetHeadersSerializer;
25		use BitWasp\Bitcoin\Networking\Serializer\Message\HeadersSerializer;
26		use BitWasp\Bitcoin\Networking\Serializer\Message\InvSerializer;
27		use BitWasp\Bitcoin\Networking\Serializer\Message\MerkleBlockSerializer;
28		use BitWasp\Bitcoin\Networking\Serializer\Message\NotFoundSerializer;
29		use BitWasp\Bitcoin\Networking\Serializer\Message\PingSerializer;
30		use BitWasp\Bitcoin\Networking\Serializer\Message\PongSerializer;
31		use BitWasp\Bitcoin\Networking\Serializer\Message\RejectSerializer;
32		use BitWasp\Bitcoin\Networking\Serializer\Message\VersionSerializer;
33		use BitWasp\Bitcoin\Networking\Serializer\Structure\AlertDetailSerializer;
34		use BitWasp\Bitcoin\Networking\Serializer\Structure\InventorySerializer;
35		use BitWasp\Bitcoin\Networking\Serializer\Structure\NetworkAddressSerializer;
36		use BitWasp\Bitcoin\Networking\Serializer\Structure\NetworkAddressTimestampSerializer;
37		use BitWasp\Bitcoin\Serializer\Bloom\BloomFilterSerializer;
38		use BitWasp\Bitcoin\Serializer\Block\FilteredBlockSerializer;
39		use BitWasp\Bitcoin\Serializer\Block\BlockHeaderSerializer;
40		use BitWasp\Bitcoin\Serializer\Block\BlockSerializer;
41		use BitWasp\Bitcoin\Serializer\Block\PartialMerkleTreeSerializer;
42		use BitWasp\Bitcoin\Serializer\Chain\BlockLocatorSerializer;
43		use BitWasp\Bitcoin\Serializer\Transaction\TransactionSerializer;
44		use BitWasp\Buffertools\Buffertools;
45		use BitWasp\Buffertools\Parser;
46		use BitWasp\Buffertools\Buffer;
47		use BitWasp\Buffertools\TemplateFactory;
48
49		class NetworkMessageSerializer
50		{
51		/**
52		* @var NetworkInterface
53		*/
54		private $network;
55
56		/**
57		* @var \BitWasp\Bitcoin\Math\Math
58		*/
59		private $math;
60
61		/**
62		* @var TransactionSerializer
63		*/
64		private $txSerializer;
65
66		/**
67		* @var BlockHeaderSerializer
68		*/
69		private $headerSerializer;
70
71		/**
72		* @var GetDataSerializer
73		*/
74		private $getDataSerializer;
75
76		/**
77		* @var InvSerializer
78		*/
79		private $invSerializer;
80
81		/**
82		* @var BlockSerializer
83		*/
84		private $blockSerializer;
85
86		/**
87		* @var FilteredBlockSerializer
88		*/
89		private $filteredBlockSerializer;
90
91		/**
92		* @var HeadersSerializer
93		*/
94		private $headersSerializer;
95
96		/**
97		* @var FilterAddSerializer
98		*/
99		private $filterAddSerializer;
100
101		/**
102		* @var FilterLoadSerializer
103		*/
104		private $filterLoadSerializer;
105
106		/**
107		* @var MerkleBlockSerializer
108		*/
109		private $merkleBlockSerializer;
110
111		/**
112		* @var PingSerializer
113		*/
114		private $pingSerializer;
115
116		/**
117		* @var AlertSerializer
118		*/
119		private $alertSerializer;
120
121		/**
122		* @var InventorySerializer
123		*/
124		private $inventorySerializer;
125
126		/**
127		* @var NotFoundSerializer
128		*/
129		private $notFoundSerializer;
130
131		/**
132		* @var RejectSerializer
133		*/
134		private $rejectSerializer;
135
136		/**
137		* @var BlockLocatorSerializer
138		*/
139		private $blockLocatorSerializer;
140
141		/**
142		* @var GetBlocksSerializer
143		*/
144		private $getBlocksSerializer;
145
146		/**
147		* @var GetHeadersSerializer
148		*/
149		private $getHeadersSerializer;
150
151		/**
152		* @var PongSerializer
153		*/
154		private $pongSerializer;
155
156		/**
157		* @var VersionSerializer
158		*/
159		private $versionSerializer;
160
161		/**
162		* @var FeeFilterSerializer
163		*/
164		private $feeFilterSerializer;
165
166		/**
167		* @var AddrSerializer
168		*/
169		private $addrSerializer;
170
171		/**
172		* @param NetworkInterface $network
173		*/
174	84	public function __construct(NetworkInterface $network)
175		{
176	84	$this->math = Bitcoin::getMath();
177	84	$this->network = $network;
178	84	$this->txSerializer = new TransactionSerializer();
179	84	$this->headerSerializer = new BlockHeaderSerializer();
180	84	$this->blockSerializer = new BlockSerializer($this->math, $this->headerSerializer, $this->txSerializer);
181	84	$this->filteredBlockSerializer = new FilteredBlockSerializer($this->headerSerializer, new PartialMerkleTreeSerializer());
182	84	$this->headersSerializer = new HeadersSerializer($this->headerSerializer);
183	84	$this->filterAddSerializer = new FilterAddSerializer();
184	84	$this->filterLoadSerializer = new FilterLoadSerializer(new BloomFilterSerializer());
185	84	$this->merkleBlockSerializer = new MerkleBlockSerializer($this->filteredBlockSerializer);
186	84	$this->pingSerializer = new PingSerializer();
187	84	$this->pongSerializer = new PongSerializer();
188	84	$this->alertSerializer = new AlertSerializer(new AlertDetailSerializer());
189	84	$this->inventorySerializer = new InventorySerializer();
190	84	$this->getDataSerializer = new GetDataSerializer($this->inventorySerializer);
191	84	$this->invSerializer = new InvSerializer($this->inventorySerializer);
192	84	$this->notFoundSerializer = new NotFoundSerializer($this->inventorySerializer);
193	84	$this->feeFilterSerializer = new FeeFilterSerializer();
194	84	$this->rejectSerializer = new RejectSerializer();
195	84	$this->blockLocatorSerializer = new BlockLocatorSerializer();
196	84	$this->getBlocksSerializer = new GetBlocksSerializer($this->blockLocatorSerializer);
197	84	$this->getHeadersSerializer = new GetHeadersSerializer($this->blockLocatorSerializer);
198	84	$this->versionSerializer = new VersionSerializer(new NetworkAddressSerializer());
199	84	$this->addrSerializer = new AddrSerializer(new NetworkAddressTimestampSerializer());
200	84	}
201
202		/**
203		* @return \BitWasp\Buffertools\Template
204		*/
205	84	private function getHeaderTemplate()
206		{
207	84	return (new TemplateFactory())
208	84	->bytestringle(4)
209	84	->bytestring(12)
210	84	->uint32le()
211	84	->bytestring(4)
212	84	->getTemplate();
213		}
214
215		/**
216		* @param Parser $parser
217		* @return NetworkMessage
218		* @throws \BitWasp\Buffertools\Exceptions\ParserOutOfRange
219		* @throws \Exception
220		*/
221	52	public function fromParser(Parser & $parser)
222		{
223	52	list ($netBytes, $command, $payloadSize, $checksum) = $this->getHeaderTemplate()->parse($parser);
224		/** @var Buffer $netBytes */
225		/** @var Buffer $command */
226		/** @var int\|string $payloadSize */
227		/** @var Buffer $checksum */
228
229	52	if ($netBytes->getHex() !== $this->network->getNetMagicBytes()) {
230	2	throw new \RuntimeException('Invalid magic bytes for network');
231		}
232
233		$buffer = $payloadSize > 0
234	50	? $parser->readBytes($payloadSize)
235	50	: new Buffer('', 0, $this->math);
236
237		// Compare payload checksum against header value
238	50	if (Hash::sha256d($buffer)->slice(0, 4)->getBinary() !== $checksum->getBinary()) {
239	2	throw new \RuntimeException('Invalid packet checksum');
240		}
241
242	48	$cmd = trim($command->getBinary());
243		switch ($cmd) {
244	48	case Message::VERSION:
245	2	$payload = $this->versionSerializer->parse($buffer);
246	2	break;
247	46	case Message::VERACK:
248	2	$payload = new VerAck();
249	2	break;
250	44	case Message::SENDHEADERS:
251	2	$payload = new SendHeaders();
252	2	break;
253	42	case Message::ADDR:
254	2	$payload = $this->addrSerializer->parse($buffer);
255	2	break;
256	40	case Message::INV:
257	2	$payload = $this->invSerializer->parse($buffer);
258	2	break;
259	38	case Message::GETDATA:
260	2	$payload = $this->getDataSerializer->parse($buffer);
261	2	break;
262	36	case Message::NOTFOUND:
263	2	$payload = $this->notFoundSerializer->parse($buffer);
264	2	break;
265	34	case Message::GETBLOCKS:
266	2	$payload = $this->getBlocksSerializer->parse($buffer);
267	2	break;
268	32	case Message::GETHEADERS:
269	2	$payload = $this->getHeadersSerializer->parse($buffer);
270	2	break;
271	30	case Message::TX:
272	2	$payload = new Tx($this->txSerializer->parse($buffer));
273	2	break;
274	28	case Message::BLOCK:
275	2	$payload = new Block($this->blockSerializer->parse($buffer));
276	2	break;
277	26	case Message::HEADERS:
278	2	$payload = $this->headersSerializer->parse($buffer);
279	2	break;
280	24	case Message::GETADDR:
281	2	$payload = new GetAddr();
282	2	break;
283	22	case Message::MEMPOOL:
284	2	$payload = new MemPool();
285	2	break;
286	20	case Message::FEEFILTER:
287	2	$payload = $this->feeFilterSerializer->parse($buffer);
288	2	break;
289	18	case Message::FILTERLOAD:
290	2	$payload = $this->filterLoadSerializer->parse($buffer);
291	2	break;
292	16	case Message::FILTERADD:
293	2	$payload = $this->filterAddSerializer->parse($buffer);
294	2	break;
295	14	case Message::FILTERCLEAR:
296	2	$payload = new FilterClear();
297	2	break;
298	12	case Message::MERKLEBLOCK:
299	2	$payload = $this->merkleBlockSerializer->parse($buffer);
300	2	break;
301	10	case Message::PING:
302	2	$payload = $this->pingSerializer->parse($buffer);
303	2	break;
304	8	case Message::PONG:
305	2	$payload = $this->pongSerializer->parse($buffer);
306	2	break;
307	6	case Message::REJECT:
308	2	$payload = $this->rejectSerializer->parse($buffer);
309	2	break;
310	4	case Message::ALERT:
311	2	$payload = $this->alertSerializer->parse($buffer);
312	2	break;
313	2	default:
314	2	throw new \RuntimeException('Invalid command');
315	2	}
316
317	46	return new NetworkMessage(
318	46	$this->network,
319		$payload
320	46	);
321		}
322
323		/**
324		* @param NetworkMessage $object
325		* @return Buffer
326		*/
327	84	public function serialize(NetworkMessage $object)
328		{
329	84	$payload = $object->getPayload()->getBuffer();
330	84	$command = str_pad(unpack("H*", $object->getCommand())[1], 24, '0', STR_PAD_RIGHT);
331	84	$header = $this->getHeaderTemplate()->write([
332	84	Buffer::hex($this->network->getNetMagicBytes(), null, $this->math),
333	84	Buffer::hex($command, null, $this->math),
334	84	$payload->getSize(),
335	84	$object->getChecksum()
336	56	]);
337
338	84	return Buffertools::concat($header, $payload);
339		}
340
341		/**
342		* @param $data
343		* @return NetworkMessage
344		* @throws \Exception
345		*/
346	54	public function parse($data)
347		{
348	54	return $this->fromParser(new Parser($data, $this->math));
349		}
350		}
351

Bit-Wasp / bitcoin-p2p-php

Pull Request — master (#64)

NetworkMessageSerializer::parse() A

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