|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
|
|
4
|
|
|
namespace BitWasp\Bitcoin\Serializer\Key\HierarchicalKey; |
|
5
|
|
|
|
|
6
|
|
|
use BitWasp\Bitcoin\Crypto\EcAdapter\Adapter\EcAdapterInterface; |
|
7
|
|
|
use BitWasp\Bitcoin\Key\Deterministic\HierarchicalKey; |
|
8
|
|
|
use BitWasp\Bitcoin\Key\PrivateKeyFactory; |
|
9
|
|
|
use BitWasp\Bitcoin\Key\PublicKeyFactory; |
|
10
|
|
|
use BitWasp\Bitcoin\Network\NetworkInterface; |
|
11
|
|
|
use BitWasp\Bitcoin\Serializer\Types; |
|
12
|
|
|
use BitWasp\Buffertools\Buffer; |
|
13
|
|
|
use BitWasp\Buffertools\BufferInterface; |
|
14
|
|
|
use BitWasp\Buffertools\Exceptions\ParserOutOfRange; |
|
15
|
|
|
use BitWasp\Buffertools\Parser; |
|
16
|
|
|
|
|
17
|
|
|
class ExtendedKeySerializer |
|
18
|
|
|
{ |
|
19
|
|
|
/** |
|
20
|
|
|
* @var EcAdapterInterface |
|
21
|
|
|
*/ |
|
22
|
|
|
private $ecAdapter; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* @var \BitWasp\Buffertools\Types\ByteString |
|
26
|
|
|
*/ |
|
27
|
|
|
private $bytestring4; |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* @var \BitWasp\Buffertools\Types\Uint8 |
|
31
|
|
|
*/ |
|
32
|
|
|
private $uint8; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* @var \BitWasp\Buffertools\Types\Uint32 |
|
36
|
|
|
*/ |
|
37
|
|
|
private $uint32; |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* @var \BitWasp\Buffertools\Types\ByteString |
|
41
|
|
|
*/ |
|
42
|
|
|
private $bytestring32; |
|
43
|
|
|
|
|
44
|
|
|
/** |
|
45
|
|
|
* @var \BitWasp\Buffertools\Types\ByteString |
|
46
|
|
|
*/ |
|
47
|
|
|
private $bytestring33; |
|
48
|
|
|
|
|
49
|
|
|
/** |
|
50
|
|
|
* @param EcAdapterInterface $ecAdapter |
|
51
|
|
|
* @throws \Exception |
|
52
|
|
|
*/ |
|
53
|
26 |
|
public function __construct(EcAdapterInterface $ecAdapter) |
|
54
|
|
|
{ |
|
55
|
26 |
|
$this->ecAdapter = $ecAdapter; |
|
56
|
26 |
|
$this->bytestring4 = Types::bytestring(4); |
|
57
|
26 |
|
$this->uint8 = Types::uint8(); |
|
58
|
26 |
|
$this->uint32 = Types::uint32(); |
|
59
|
26 |
|
$this->bytestring32 = Types::bytestring(32); |
|
60
|
26 |
|
$this->bytestring33 = Types::bytestring(33); |
|
61
|
26 |
|
} |
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* @param NetworkInterface $network |
|
65
|
|
|
* @throws \Exception |
|
66
|
|
|
*/ |
|
67
|
26 |
|
private function checkNetwork(NetworkInterface $network) |
|
68
|
|
|
{ |
|
69
|
|
|
try { |
|
70
|
26 |
|
$network->getHDPrivByte(); |
|
71
|
26 |
|
$network->getHDPubByte(); |
|
72
|
|
|
} catch (\Exception $e) { |
|
73
|
|
|
throw new \Exception('Network not configured for HD wallets'); |
|
74
|
|
|
} |
|
75
|
26 |
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* @param NetworkInterface $network |
|
79
|
|
|
* @param HierarchicalKey $key |
|
80
|
|
|
* @return Buffer |
|
81
|
|
|
*/ |
|
82
|
6 |
|
public function serialize(NetworkInterface $network, HierarchicalKey $key) |
|
83
|
|
|
{ |
|
84
|
6 |
|
$this->checkNetwork($network); |
|
85
|
|
|
|
|
86
|
6 |
|
list ($prefix, $data) = $key->isPrivate() |
|
87
|
6 |
|
? [$network->getHDPrivByte(), new Buffer("\x00". $key->getPrivateKey()->getBinary(), 33)] |
|
88
|
6 |
|
: [$network->getHDPubByte(), $key->getPublicKey()->getBuffer()]; |
|
89
|
|
|
|
|
90
|
6 |
|
return new Buffer( |
|
91
|
6 |
|
pack("H*", $prefix) . |
|
92
|
6 |
|
$this->uint8->write($key->getDepth()) . |
|
93
|
6 |
|
$this->uint32->write($key->getFingerprint()) . |
|
94
|
6 |
|
$this->uint32->write($key->getSequence()) . |
|
95
|
6 |
|
$this->bytestring32->write($key->getChainCode()) . |
|
96
|
6 |
|
$this->bytestring33->write($data) |
|
97
|
|
|
); |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
|
|
/** |
|
101
|
|
|
* @param NetworkInterface $network |
|
102
|
|
|
* @param Parser $parser |
|
103
|
|
|
* @return HierarchicalKey |
|
104
|
|
|
* @throws ParserOutOfRange |
|
105
|
|
|
*/ |
|
106
|
22 |
|
public function fromParser(NetworkInterface $network, Parser $parser) |
|
107
|
|
|
{ |
|
108
|
22 |
|
$this->checkNetwork($network); |
|
109
|
|
|
|
|
110
|
|
|
try { |
|
111
|
|
|
list ($bytes, $depth, $parentFingerprint, $sequence, $chainCode, $keyData) = [ |
|
112
|
22 |
|
$this->bytestring4->read($parser), |
|
113
|
21 |
|
$this->uint8->read($parser), |
|
114
|
21 |
|
$this->uint32->read($parser), |
|
115
|
21 |
|
$this->uint32->read($parser), |
|
116
|
21 |
|
$this->bytestring32->read($parser), |
|
117
|
20 |
|
$this->bytestring33->read($parser), |
|
118
|
|
|
]; |
|
119
|
|
|
|
|
120
|
20 |
|
$bytes = $bytes->getHex(); |
|
121
|
2 |
|
} catch (ParserOutOfRange $e) { |
|
122
|
2 |
|
throw new ParserOutOfRange('Failed to extract HierarchicalKey from parser'); |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
20 |
|
if ($bytes !== $network->getHDPubByte() && $bytes !== $network->getHDPrivByte()) { |
|
126
|
1 |
|
throw new \InvalidArgumentException('HD key magic bytes do not match network magic bytes'); |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
19 |
|
$key = ($network->getHDPrivByte() === $bytes) |
|
130
|
11 |
|
? PrivateKeyFactory::fromHex($keyData->slice(1), true, $this->ecAdapter) |
|
131
|
19 |
|
: PublicKeyFactory::fromHex($keyData, $this->ecAdapter); |
|
132
|
|
|
|
|
133
|
19 |
|
return new HierarchicalKey($this->ecAdapter, $depth, $parentFingerprint, $sequence, $chainCode, $key); |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
|
|
/** |
|
137
|
|
|
* @param NetworkInterface $network |
|
138
|
|
|
* @param BufferInterface $buffer |
|
139
|
|
|
* @return HierarchicalKey |
|
140
|
|
|
*/ |
|
141
|
22 |
|
public function parse(NetworkInterface $network, BufferInterface $buffer) |
|
142
|
|
|
{ |
|
143
|
22 |
|
return $this->fromParser($network, new Parser($buffer)); |
|
144
|
|
|
} |
|
145
|
|
|
} |
|
146
|
|
|
|
Bit-Wasp /
bitcoin-php
