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<?php |
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namespace BitWasp\Bitcoin\Script; |
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class Opcodes implements \ArrayAccess |
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{ |
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const OP_0 = 0; |
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const OP_PUSHDATA1 = 76; |
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const OP_PUSHDATA2 = 77; |
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const OP_PUSHDATA4 = 78; |
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const OP_1NEGATE = 79; |
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const OP_1 = 81; |
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const OP_2 = 82; |
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const OP_3 = 83; |
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const OP_4 = 84; |
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const OP_5 = 85; |
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const OP_6 = 86; |
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const OP_7 = 87; |
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const OP_8 = 88; |
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const OP_9 = 89; |
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const OP_10 = 90; |
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const OP_11 = 91; |
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const OP_12 = 92; |
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const OP_13 = 93; |
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const OP_14 = 94; |
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const OP_15 = 95; |
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const OP_16 = 96; |
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// Flow Control |
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const OP_NOP = 97; |
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const OP_IF = 99; |
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const OP_NOTIF = 100; |
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const OP_ELSE = 103; |
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const OP_ENDIF = 104; |
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const OP_VERIFY = 105; |
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const OP_RETURN = 106; |
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const OP_TOALTSTACK = 107; |
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const OP_FROMALTSTACK = 108; |
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const OP_IFDUP = 115; |
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const OP_DEPTH = 116; |
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const OP_DROP = 117; |
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const OP_DUP = 118; |
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const OP_NIP = 119; |
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const OP_OVER = 120; |
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const OP_PICK = 121; |
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const OP_ROLL = 122; |
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const OP_ROT = 123; |
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const OP_SWAP = 124; |
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const OP_TUCK = 125; |
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const OP_2DROP = 109; |
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const OP_2DUP = 110; |
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const OP_3DUP = 111; |
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const OP_2OVER = 112; |
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const OP_2ROT = 113; |
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const OP_2SWAP = 114; |
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// Splice |
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const OP_CAT = 126; /* disabled */ |
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const OP_SUBSTR = 127; /* disabled */ |
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const OP_LEFT = 128; /* disabled */ |
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const OP_RIGHT = 129; /* disabled */ |
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const OP_SIZE = 130; /* disabled */ |
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// Bitwise logic |
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const OP_INVERT = 131; /* Disabled */ |
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const OP_AND = 132; /* Disabled */ |
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const OP_OR = 133; /* Disabled */ |
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const OP_XOR = 134; /* Disabled */ |
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const OP_EQUAL = 135; |
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const OP_EQUALVERIFY = 136; |
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// Arithmetic |
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const OP_1ADD = 139; |
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const OP_1SUB = 140; |
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const OP_2MUL = 141; |
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const OP_2DIV = 142; |
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const OP_NEGATE = 143; |
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const OP_ABS = 144; |
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const OP_NOT = 145; |
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const OP_0NOTEQUAL = 146; |
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const OP_ADD = 147; |
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const OP_SUB = 148; |
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const OP_MUL = 149; |
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const OP_DIV = 150; |
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const OP_MOD = 151; |
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const OP_LSHIFT = 152; |
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const OP_RSHIFT = 153; |
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const OP_BOOLAND = 154; |
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const OP_BOOLOR = 155; |
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const OP_NUMEQUAL = 156; |
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const OP_NUMEQUALVERIFY = 157; |
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const OP_NUMNOTEQUAL = 158; |
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const OP_LESSTHAN = 159; |
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const OP_GREATERTHAN = 160; |
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const OP_LESSTHANOREQUAL = 161; |
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const OP_GREATERTHANOREQUAL = 162; |
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const OP_MIN = 163; |
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const OP_MAX = 164; |
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const OP_WITHIN = 165; |
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// Crypto |
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const OP_RIPEMD160 = 166; |
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const OP_SHA1 = 167; |
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const OP_SHA256 = 168; |
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const OP_HASH160 = 169; |
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const OP_HASH256 = 170; |
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const OP_CODESEPARATOR = 171; |
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const OP_CHECKSIG = 172; |
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const OP_CHECKSIGVERIFY = 173; |
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const OP_CHECKMULTISIG = 174; |
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const OP_CHECKMULTISIGVERIFY = 175; |
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// Pseudo Words |
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const OP_PUBKEYHASH = 253; |
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const OP_PUBKEY = 254; |
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const OP_INVALIDOPCODE = 255; |
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// Reserved |
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// So are any which are not assigned |
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const OP_RESERVED = 80; |
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const OP_VER = 98; |
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const OP_VERIF = 101; |
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const OP_VERNOTIF = 102; |
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const OP_RESERVED1 = 137; |
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const OP_RESERVED2 = 138; |
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const OP_NOP1 = 176; |
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const OP_CHECKLOCKTIMEVERIFY = 177; |
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const OP_CHECKSEQUENCEVERIFY = 178; |
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const OP_NOP3 = 178; |
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const OP_NOP4 = 179; |
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const OP_NOP5 = 180; |
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const OP_NOP6 = 181; |
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const OP_NOP7 = 182; |
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const OP_NOP8 = 183; |
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const OP_NOP9 = 184; |
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const OP_NOP10 = 185; |
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/** |
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* @var array |
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*/ |
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private static $names = [ |
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self::OP_0 => 'OP_0', |
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self::OP_PUSHDATA1 => 'OP_PUSHDATA1', |
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self::OP_PUSHDATA2 => 'OP_PUSHDATA2', |
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self::OP_PUSHDATA4 => 'OP_PUSHDATA4', |
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self::OP_1NEGATE => 'OP_1NEGATE', |
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self::OP_1 => 'OP_1', |
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self::OP_2 => 'OP_2', |
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self::OP_3 => 'OP_3', |
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self::OP_4 => 'OP_4', |
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self::OP_5 => 'OP_5', |
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self::OP_6 => 'OP_6', |
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self::OP_7 => 'OP_7', |
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self::OP_8 => 'OP_8', |
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self::OP_9 => 'OP_9', |
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self::OP_10 => 'OP_10', |
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self::OP_11 => 'OP_11', |
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self::OP_12 => 'OP_12', |
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self::OP_13 => 'OP_13', |
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self::OP_14 => 'OP_14', |
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self::OP_15 => 'OP_15', |
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self::OP_16 => 'OP_16', |
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// Flow Control |
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self::OP_NOP => 'OP_NOP', |
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self::OP_IF => 'OP_IF', |
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self::OP_NOTIF => 'OP_NOTIF', |
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self::OP_ELSE => 'OP_ELSE', |
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self::OP_ENDIF => 'OP_ENDIF', |
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self::OP_VERIFY => 'OP_VERIFY', |
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self::OP_RETURN => 'OP_RETURN', |
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self::OP_TOALTSTACK => 'OP_TOALTSTACK', |
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self::OP_FROMALTSTACK => 'OP_FROMALTSTACK', |
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self::OP_IFDUP => 'OP_IFDUP', |
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self::OP_DEPTH => 'OP_DEPTH', |
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self::OP_DROP => 'OP_DROP', |
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self::OP_DUP => 'OP_DUP', |
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self::OP_NIP => 'OP_NIP', |
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self::OP_OVER => 'OP_OVER', |
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self::OP_PICK => 'OP_PICK', |
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self::OP_ROLL => 'OP_ROLL', |
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self::OP_ROT => 'OP_ROT', |
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self::OP_SWAP => 'OP_SWAP', |
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self::OP_TUCK => 'OP_TUCK', |
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self::OP_2DROP => 'OP_2DROP', |
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self::OP_2DUP => 'OP_2DUP', |
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self::OP_3DUP => 'OP_3DUP', |
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self::OP_2OVER => 'OP_2OVER', |
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self::OP_2ROT => 'OP_2ROT', |
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self::OP_2SWAP => 'OP_2SWAP', |
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// Splice |
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self::OP_CAT => 'OP_CAT', /* disabled */ |
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self::OP_SUBSTR => 'OP_SUBSTR', /* disabled */ |
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self::OP_LEFT => 'OP_LEFT', /* disabled */ |
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self::OP_RIGHT => 'OP_RIGHT', /* disabled */ |
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self::OP_SIZE => 'OP_SIZE', /* disabled */ |
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// Bitwise logic |
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self::OP_INVERT => 'OP_INVERT', /* Disabled */ |
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self::OP_AND => 'OP_AND', /* Disabled */ |
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self::OP_OR => 'OP_OR', /* Disabled */ |
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self::OP_XOR => 'OP_XOR', /* Disabled */ |
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self::OP_EQUAL => 'OP_EQUAL', |
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self::OP_EQUALVERIFY => 'OP_EQUALVERIFY', |
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// Arithmetic |
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self::OP_1ADD => 'OP_1ADD', |
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self::OP_1SUB => 'OP_1SUB', |
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self::OP_2MUL => 'OP_2MUL', |
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self::OP_2DIV => 'OP_2DIV', |
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self::OP_NEGATE => 'OP_NEGATE', |
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self::OP_ABS => 'OP_ABS', |
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self::OP_NOT => 'OP_NOT', |
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self::OP_0NOTEQUAL => 'OP_0NOTEQUAL', |
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self::OP_ADD => 'OP_ADD', |
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self::OP_SUB => 'OP_SUB', |
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self::OP_MUL => 'OP_MUL', |
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self::OP_DIV => 'OP_DIV', |
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self::OP_MOD => 'OP_MOD', |
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self::OP_LSHIFT => 'OP_LSHIFT', |
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self::OP_RSHIFT => 'OP_RSHIFT', |
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self::OP_BOOLAND => 'OP_BOOLAND', |
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self::OP_BOOLOR => 'OP_BOOLOR', |
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self::OP_NUMEQUAL => 'OP_NUMEQUAL', |
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self::OP_NUMEQUALVERIFY => 'OP_NUMEQUALVERIFY', |
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self::OP_NUMNOTEQUAL => 'OP_NUMNOTEQUAL', |
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self::OP_LESSTHAN => 'OP_LESSTHAN', |
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self::OP_GREATERTHAN => 'OP_GREATERTHAN', |
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self::OP_LESSTHANOREQUAL => 'OP_LESSTHANOREQUAL', |
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self::OP_GREATERTHANOREQUAL => 'OP_GREATERTHANOREQUAL', |
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self::OP_MIN => 'OP_MIN', |
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self::OP_MAX => 'OP_MAX', |
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self::OP_WITHIN => 'OP_WITHIN', |
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// Crypto |
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self::OP_RIPEMD160 => 'OP_RIPEMD160', |
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self::OP_SHA1 => 'OP_SHA1', |
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self::OP_SHA256 => 'OP_SHA256', |
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self::OP_HASH160 => 'OP_HASH160', |
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self::OP_HASH256 => 'OP_HASH256', |
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self::OP_CODESEPARATOR => 'OP_CODESEPARATOR', |
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244
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self::OP_CHECKSIG => 'OP_CHECKSIG', |
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self::OP_CHECKSIGVERIFY => 'OP_CHECKSIGVERIFY', |
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self::OP_CHECKMULTISIG => 'OP_CHECKMULTISIG', |
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self::OP_CHECKMULTISIGVERIFY => 'OP_CHECKMULTISIGVERIFY', |
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248
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249
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// Pseudo Words |
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250
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self::OP_PUBKEYHASH => 'OP_PUBKEYHASH', |
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251
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self::OP_PUBKEY => 'OP_PUBKEY', |
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252
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self::OP_INVALIDOPCODE => 'OP_INVALIDOPCODE', |
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253
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254
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// Reserved |
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255
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// So are any which are not assigned |
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256
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self::OP_RESERVED => 'OP_RESERVED', |
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257
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self::OP_VER => 'OP_VER', |
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258
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self::OP_VERIF => 'OP_VERIF', |
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259
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self::OP_VERNOTIF => 'OP_VERNOTIF', |
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260
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self::OP_RESERVED1 => 'OP_RESERVED1', |
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261
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self::OP_RESERVED2 => 'OP_RESERVED2', |
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262
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self::OP_NOP1 => 'OP_NOP1', |
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263
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self::OP_CHECKLOCKTIMEVERIFY => 'OP_CHECKLOCKTIMEVERIFY', |
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264
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self::OP_CHECKSEQUENCEVERIFY => 'OP_CHECKSEQUENCEVERIFY', |
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265
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self::OP_NOP3 => 'OP_NOP3', |
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266
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self::OP_NOP4 => 'OP_NOP4', |
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267
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self::OP_NOP5 => 'OP_NOP5', |
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268
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self::OP_NOP6 => 'OP_NOP6', |
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269
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self::OP_NOP7 => 'OP_NOP7', |
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270
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self::OP_NOP8 => 'OP_NOP8', |
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271
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self::OP_NOP9 => 'OP_NOP9', |
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272
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self::OP_NOP10 => 'OP_NOP10', |
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273
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]; |
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274
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275
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/** |
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276
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* @var array |
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277
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*/ |
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278
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private $known = []; |
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279
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280
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3256 |
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public function __construct() |
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281
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{ |
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282
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3256 |
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$this->known = array_flip(self::$names); |
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283
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3256 |
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} |
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284
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285
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/** |
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286
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* @param integer $op |
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287
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*/ |
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288
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24 |
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private function opExists($op) |
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289
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{ |
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290
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24 |
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if (!array_key_exists($op, self::$names)) { |
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291
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6 |
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throw new \RuntimeException("Opcode not found"); |
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292
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} |
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293
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18 |
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} |
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294
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295
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/** |
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296
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* @param string $name |
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297
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*/ |
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298
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452 |
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private function opNameExists($name) |
|
299
|
|
|
{ |
|
300
|
452 |
|
if (!array_key_exists($name, $this->known)) { |
|
301
|
12 |
|
throw new \RuntimeException("Opcode by that name not found"); |
|
302
|
|
|
} |
|
303
|
440 |
|
} |
|
304
|
|
|
|
|
305
|
|
|
/** |
|
306
|
|
|
* @param int $op |
|
307
|
|
|
* @return string |
|
308
|
|
|
*/ |
|
309
|
24 |
|
public function getOp($op) |
|
310
|
|
|
{ |
|
311
|
24 |
|
$this->opExists($op); |
|
312
|
18 |
|
return self::$names[$op]; |
|
313
|
|
|
} |
|
314
|
|
|
|
|
315
|
|
|
/** |
|
316
|
|
|
* @param string $name |
|
317
|
|
|
* @return int |
|
318
|
|
|
*/ |
|
319
|
452 |
|
public function getOpByName($name) |
|
320
|
|
|
{ |
|
321
|
452 |
|
$this->opNameExists($name); |
|
322
|
440 |
|
return $this->known[$name]; |
|
323
|
|
|
} |
|
324
|
|
|
|
|
325
|
|
|
/** |
|
326
|
|
|
* @param int $opcode |
|
327
|
|
|
* @return string |
|
328
|
|
|
*/ |
|
329
|
6 |
|
public function offsetGet($opcode) |
|
330
|
|
|
{ |
|
331
|
6 |
|
return $this->getOp($opcode); |
|
332
|
|
|
} |
|
333
|
|
|
|
|
334
|
|
|
/** |
|
335
|
|
|
* @param int $opcode |
|
336
|
|
|
* @return bool |
|
337
|
|
|
*/ |
|
338
|
2554 |
|
public function offsetExists($opcode) |
|
339
|
|
|
{ |
|
340
|
2554 |
|
return array_key_exists($opcode, self::$names); |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
12 |
|
private function errorNoWrite() |
|
344
|
|
|
{ |
|
345
|
12 |
|
throw new \RuntimeException('Cannot write to Opcodes'); |
|
346
|
|
|
} |
|
347
|
|
|
|
|
348
|
|
|
/** |
|
349
|
|
|
* @param int $opcode |
|
350
|
|
|
*/ |
|
351
|
6 |
|
public function offsetUnset($opcode) |
|
352
|
|
|
{ |
|
353
|
6 |
|
$this->errorNoWrite(); |
|
354
|
|
|
} |
|
355
|
|
|
|
|
356
|
|
|
/** |
|
357
|
|
|
* @param int $opcode |
|
358
|
|
|
* @param mixed $value |
|
359
|
|
|
*/ |
|
360
|
6 |
|
public function offsetSet($opcode, $value) |
|
361
|
|
|
{ |
|
362
|
6 |
|
$this->errorNoWrite(); |
|
363
|
|
|
} |
|
364
|
|
|
|
|
365
|
|
|
/** |
|
366
|
|
|
* @return array |
|
367
|
|
|
*/ |
|
368
|
|
|
public function __debugInfo() |
|
369
|
|
|
{ |
|
370
|
|
|
return []; |
|
371
|
|
|
} |
|
372
|
|
|
} |
|
373
|
|
|
|
Bit-Wasp /
bitcoin-php
