|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace BitWasp\Bitcoin\Script; |
|
6
|
|
|
|
|
7
|
|
|
use BitWasp\Bitcoin\Bitcoin; |
|
8
|
|
|
use BitWasp\Bitcoin\Crypto\EcAdapter\Adapter\EcAdapterInterface; |
|
9
|
|
|
use BitWasp\Bitcoin\Math\Math; |
|
10
|
|
|
use BitWasp\Bitcoin\Script\Consensus\BitcoinConsensus; |
|
11
|
|
|
use BitWasp\Bitcoin\Script\Consensus\ConsensusInterface; |
|
12
|
|
|
use BitWasp\Bitcoin\Script\Consensus\NativeConsensus; |
|
13
|
|
|
use BitWasp\Bitcoin\Script\Factory\OutputScriptFactory; |
|
14
|
|
|
use BitWasp\Bitcoin\Script\Factory\ScriptCreator; |
|
15
|
|
|
use BitWasp\Bitcoin\Script\Parser\Operation; |
|
16
|
|
|
use BitWasp\Buffertools\Buffer; |
|
17
|
|
|
use BitWasp\Buffertools\BufferInterface; |
|
18
|
|
|
|
|
19
|
|
|
class ScriptFactory |
|
20
|
|
|
{ |
|
21
|
|
|
/** |
|
22
|
|
|
* @var OutputScriptFactory |
|
23
|
|
|
*/ |
|
24
|
|
|
private static $outputScriptFactory = null; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* @param string $string |
|
28
|
|
|
* @return ScriptInterface |
|
29
|
|
|
* @throws \Exception |
|
30
|
|
|
*/ |
|
31
|
21 |
|
public static function fromHex(string $string): ScriptInterface |
|
32
|
|
|
{ |
|
33
|
21 |
|
return self::fromBuffer(Buffer::hex($string)); |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
|
|
/** |
|
37
|
|
|
* @param BufferInterface $buffer |
|
38
|
|
|
* @param Opcodes|null $opcodes |
|
39
|
|
|
* @param Math|null $math |
|
40
|
|
|
* @return ScriptInterface |
|
41
|
|
|
*/ |
|
42
|
21 |
|
public static function fromBuffer(BufferInterface $buffer, Opcodes $opcodes = null, Math $math = null): ScriptInterface |
|
43
|
|
|
{ |
|
44
|
21 |
|
return self::create($buffer, $opcodes, $math)->getScript(); |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
/** |
|
48
|
|
|
* @param BufferInterface|null $buffer |
|
49
|
|
|
* @param Opcodes|null $opcodes |
|
50
|
|
|
* @param Math|null $math |
|
51
|
|
|
* @return ScriptCreator |
|
52
|
|
|
*/ |
|
53
|
5384 |
|
public static function create(BufferInterface $buffer = null, Opcodes $opcodes = null, Math $math = null): ScriptCreator |
|
54
|
|
|
{ |
|
55
|
5384 |
|
return new ScriptCreator($math ?: Bitcoin::getMath(), $opcodes ?: new Opcodes(), $buffer); |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* Create a script consisting only of push-data operations. |
|
60
|
|
|
* Suitable for a scriptSig. |
|
61
|
|
|
* |
|
62
|
|
|
* @param BufferInterface[] $buffers |
|
63
|
|
|
* @return ScriptInterface |
|
64
|
|
|
*/ |
|
65
|
|
|
public static function pushAll(array $buffers): ScriptInterface |
|
66
|
|
|
{ |
|
67
|
95 |
|
return self::sequence(array_map(function ($buffer) { |
|
68
|
78 |
|
if (!($buffer instanceof BufferInterface)) { |
|
69
|
|
|
throw new \RuntimeException('Script contained a non-push opcode'); |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
78 |
|
$size = $buffer->getSize(); |
|
73
|
78 |
|
if ($size === 0) { |
|
74
|
24 |
|
return Opcodes::OP_0; |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
78 |
|
$first = ord($buffer->getBinary()[0]); |
|
78
|
78 |
|
if ($size === 1 && $first >= 1 && $first <= 16) { |
|
79
|
4 |
|
return \BitWasp\Bitcoin\Script\encodeOpN($first); |
|
80
|
|
|
} else { |
|
81
|
78 |
|
return $buffer; |
|
82
|
|
|
} |
|
83
|
95 |
|
}, $buffers)); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
/** |
|
87
|
|
|
* @param int[]|\BitWasp\Bitcoin\Script\Interpreter\Number[]|BufferInterface[] $sequence |
|
88
|
|
|
* @return ScriptInterface |
|
89
|
|
|
*/ |
|
90
|
5346 |
|
public static function sequence(array $sequence): ScriptInterface |
|
91
|
|
|
{ |
|
92
|
5346 |
|
return self::create()->sequence($sequence)->getScript(); |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* @param Operation[] $operations |
|
97
|
|
|
* @return ScriptInterface |
|
98
|
|
|
*/ |
|
99
|
20 |
|
public static function fromOperations(array $operations): ScriptInterface |
|
100
|
|
|
{ |
|
101
|
20 |
|
$sequence = []; |
|
102
|
20 |
|
foreach ($operations as $operation) { |
|
103
|
19 |
|
if (!($operation instanceof Operation)) { |
|
104
|
|
|
throw new \RuntimeException("Invalid input to fromOperations"); |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
19 |
|
$sequence[] = $operation->encode(); |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
20 |
|
return self::sequence($sequence); |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
/** |
|
114
|
|
|
* @return OutputScriptFactory |
|
115
|
|
|
*/ |
|
116
|
211 |
|
public static function scriptPubKey(): OutputScriptFactory |
|
117
|
|
|
{ |
|
118
|
211 |
|
if (self::$outputScriptFactory === null) { |
|
119
|
|
|
self::$outputScriptFactory = new OutputScriptFactory(); |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
211 |
|
return self::$outputScriptFactory; |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
|
|
/** |
|
126
|
|
|
* @param EcAdapterInterface|null $ecAdapter |
|
127
|
|
|
* @return NativeConsensus |
|
128
|
|
|
*/ |
|
129
|
1 |
|
public static function getNativeConsensus(EcAdapterInterface $ecAdapter = null): NativeConsensus |
|
130
|
|
|
{ |
|
131
|
1 |
|
return new NativeConsensus($ecAdapter ?: Bitcoin::getEcAdapter()); |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
|
|
/** |
|
135
|
|
|
* @return BitcoinConsensus |
|
136
|
|
|
*/ |
|
137
|
81 |
|
public static function getBitcoinConsensus(): BitcoinConsensus |
|
138
|
|
|
{ |
|
139
|
81 |
|
return new BitcoinConsensus(); |
|
140
|
|
|
} |
|
141
|
|
|
|
|
142
|
|
|
/** |
|
143
|
|
|
* @param EcAdapterInterface|null $ecAdapter |
|
144
|
|
|
* @return ConsensusInterface |
|
145
|
|
|
*/ |
|
146
|
80 |
|
public static function consensus(EcAdapterInterface $ecAdapter = null): ConsensusInterface |
|
147
|
|
|
{ |
|
148
|
80 |
|
if (extension_loaded('bitcoinconsensus')) { |
|
149
|
80 |
|
return self::getBitcoinConsensus(); |
|
150
|
|
|
} else { |
|
151
|
|
|
return self::getNativeConsensus($ecAdapter); |
|
152
|
|
|
} |
|
153
|
|
|
} |
|
154
|
|
|
} |
|
155
|
|
|
|
Bit-Wasp /
bitcoin-php
