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/*
* Copyright 2013 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.bitcoinj.script;
import com.google.common.collect.ImmutableMap;
import java.util.Map;
/**
* Various constants that define the assembly-like scripting language that forms part of the Bitcoin protocol.
* See {@link Script} for details. Also provides a method to convert them to a string.
*/
public class ScriptOpCodes {
// push value
public static final int OP_0 = 0x00; // push empty vector
public static final int OP_FALSE = OP_0;
public static final int OP_PUSHDATA1 = 0x4c;
public static final int OP_PUSHDATA2 = 0x4d;
public static final int OP_PUSHDATA4 = 0x4e;
public static final int OP_1NEGATE = 0x4f;
public static final int OP_RESERVED = 0x50;
public static final int OP_1 = 0x51;
public static final int OP_TRUE = OP_1;
public static final int OP_2 = 0x52;
public static final int OP_3 = 0x53;
public static final int OP_4 = 0x54;
public static final int OP_5 = 0x55;
public static final int OP_6 = 0x56;
public static final int OP_7 = 0x57;
public static final int OP_8 = 0x58;
public static final int OP_9 = 0x59;
public static final int OP_10 = 0x5a;
public static final int OP_11 = 0x5b;
public static final int OP_12 = 0x5c;
public static final int OP_13 = 0x5d;
public static final int OP_14 = 0x5e;
public static final int OP_15 = 0x5f;
public static final int OP_16 = 0x60;
// control
public static final int OP_NOP = 0x61;
public static final int OP_VER = 0x62;
public static final int OP_IF = 0x63;
public static final int OP_NOTIF = 0x64;
public static final int OP_VERIF = 0x65;
public static final int OP_VERNOTIF = 0x66;
public static final int OP_ELSE = 0x67;
public static final int OP_ENDIF = 0x68;
public static final int OP_VERIFY = 0x69;
public static final int OP_RETURN = 0x6a;
// stack ops
public static final int OP_TOALTSTACK = 0x6b;
public static final int OP_FROMALTSTACK = 0x6c;
public static final int OP_2DROP = 0x6d;
public static final int OP_2DUP = 0x6e;
public static final int OP_3DUP = 0x6f;
public static final int OP_2OVER = 0x70;
public static final int OP_2ROT = 0x71;
public static final int OP_2SWAP = 0x72;
public static final int OP_IFDUP = 0x73;
public static final int OP_DEPTH = 0x74;
public static final int OP_DROP = 0x75;
public static final int OP_DUP = 0x76;
public static final int OP_NIP = 0x77;
public static final int OP_OVER = 0x78;
public static final int OP_PICK = 0x79;
public static final int OP_ROLL = 0x7a;
public static final int OP_ROT = 0x7b;
public static final int OP_SWAP = 0x7c;
public static final int OP_TUCK = 0x7d;
// splice ops
public static final int OP_CAT = 0x7e;
public static final int OP_SUBSTR = 0x7f;
public static final int OP_LEFT = 0x80;
public static final int OP_RIGHT = 0x81;
public static final int OP_SIZE = 0x82;
// bit logic
public static final int OP_INVERT = 0x83;
public static final int OP_AND = 0x84;
public static final int OP_OR = 0x85;
public static final int OP_XOR = 0x86;
public static final int OP_EQUAL = 0x87;
public static final int OP_EQUALVERIFY = 0x88;
public static final int OP_RESERVED1 = 0x89;
public static final int OP_RESERVED2 = 0x8a;
// numeric
public static final int OP_1ADD = 0x8b;
public static final int OP_1SUB = 0x8c;
public static final int OP_2MUL = 0x8d;
public static final int OP_2DIV = 0x8e;
public static final int OP_NEGATE = 0x8f;
public static final int OP_ABS = 0x90;
public static final int OP_NOT = 0x91;
public static final int OP_0NOTEQUAL = 0x92;
public static final int OP_ADD = 0x93;
public static final int OP_SUB = 0x94;
public static final int OP_MUL = 0x95;
public static final int OP_DIV = 0x96;
public static final int OP_MOD = 0x97;
public static final int OP_LSHIFT = 0x98;
public static final int OP_RSHIFT = 0x99;
public static final int OP_BOOLAND = 0x9a;
public static final int OP_BOOLOR = 0x9b;
public static final int OP_NUMEQUAL = 0x9c;
public static final int OP_NUMEQUALVERIFY = 0x9d;
public static final int OP_NUMNOTEQUAL = 0x9e;
public static final int OP_LESSTHAN = 0x9f;
public static final int OP_GREATERTHAN = 0xa0;
public static final int OP_LESSTHANOREQUAL = 0xa1;
public static final int OP_GREATERTHANOREQUAL = 0xa2;
public static final int OP_MIN = 0xa3;
public static final int OP_MAX = 0xa4;
public static final int OP_WITHIN = 0xa5;
// crypto
public static final int OP_RIPEMD160 = 0xa6;
public static final int OP_SHA1 = 0xa7;
public static final int OP_SHA256 = 0xa8;
public static final int OP_HASH160 = 0xa9;
public static final int OP_HASH256 = 0xaa;
public static final int OP_CODESEPARATOR = 0xab;
public static final int OP_CHECKSIG = 0xac;
public static final int OP_CHECKSIGVERIFY = 0xad;
public static final int OP_CHECKMULTISIG = 0xae;
public static final int OP_CHECKMULTISIGVERIFY = 0xaf;
// block state
/** Check lock time of the block. Introduced in BIP 65, replacing OP_NOP2 */
public static final int OP_CHECKLOCKTIMEVERIFY = 0xb1;
public static final int OP_CHECKSEQUENCEVERIFY = 0xb2;
// expansion
public static final int OP_NOP1 = 0xb0;
/** Deprecated by BIP 65 */
@Deprecated
public static final int OP_NOP2 = OP_CHECKLOCKTIMEVERIFY;
/** Deprecated by BIP 112 */
@Deprecated
public static final int OP_NOP3 = OP_CHECKSEQUENCEVERIFY;
public static final int OP_NOP4 = 0xb3;
public static final int OP_NOP5 = 0xb4;
public static final int OP_NOP6 = 0xb5;
public static final int OP_NOP7 = 0xb6;
public static final int OP_NOP8 = 0xb7;
public static final int OP_NOP9 = 0xb8;
public static final int OP_NOP10 = 0xb9;
public static final int OP_INVALIDOPCODE = 0xff;
private static final Map opCodeMap = ImmutableMap.builder()
.put(OP_0, "0")
.put(OP_PUSHDATA1, "PUSHDATA1")
.put(OP_PUSHDATA2, "PUSHDATA2")
.put(OP_PUSHDATA4, "PUSHDATA4")
.put(OP_1NEGATE, "1NEGATE")
.put(OP_RESERVED, "RESERVED")
.put(OP_1, "1")
.put(OP_2, "2")
.put(OP_3, "3")
.put(OP_4, "4")
.put(OP_5, "5")
.put(OP_6, "6")
.put(OP_7, "7")
.put(OP_8, "8")
.put(OP_9, "9")
.put(OP_10, "10")
.put(OP_11, "11")
.put(OP_12, "12")
.put(OP_13, "13")
.put(OP_14, "14")
.put(OP_15, "15")
.put(OP_16, "16")
.put(OP_NOP, "NOP")
.put(OP_VER, "VER")
.put(OP_IF, "IF")
.put(OP_NOTIF, "NOTIF")
.put(OP_VERIF, "VERIF")
.put(OP_VERNOTIF, "VERNOTIF")
.put(OP_ELSE, "ELSE")
.put(OP_ENDIF, "ENDIF")
.put(OP_VERIFY, "VERIFY")
.put(OP_RETURN, "RETURN")
.put(OP_TOALTSTACK, "TOALTSTACK")
.put(OP_FROMALTSTACK, "FROMALTSTACK")
.put(OP_2DROP, "2DROP")
.put(OP_2DUP, "2DUP")
.put(OP_3DUP, "3DUP")
.put(OP_2OVER, "2OVER")
.put(OP_2ROT, "2ROT")
.put(OP_2SWAP, "2SWAP")
.put(OP_IFDUP, "IFDUP")
.put(OP_DEPTH, "DEPTH")
.put(OP_DROP, "DROP")
.put(OP_DUP, "DUP")
.put(OP_NIP, "NIP")
.put(OP_OVER, "OVER")
.put(OP_PICK, "PICK")
.put(OP_ROLL, "ROLL")
.put(OP_ROT, "ROT")
.put(OP_SWAP, "SWAP")
.put(OP_TUCK, "TUCK")
.put(OP_CAT, "CAT")
.put(OP_SUBSTR, "SUBSTR")
.put(OP_LEFT, "LEFT")
.put(OP_RIGHT, "RIGHT")
.put(OP_SIZE, "SIZE")
.put(OP_INVERT, "INVERT")
.put(OP_AND, "AND")
.put(OP_OR, "OR")
.put(OP_XOR, "XOR")
.put(OP_EQUAL, "EQUAL")
.put(OP_EQUALVERIFY, "EQUALVERIFY")
.put(OP_RESERVED1, "RESERVED1")
.put(OP_RESERVED2, "RESERVED2")
.put(OP_1ADD, "1ADD")
.put(OP_1SUB, "1SUB")
.put(OP_2MUL, "2MUL")
.put(OP_2DIV, "2DIV")
.put(OP_NEGATE, "NEGATE")
.put(OP_ABS, "ABS")
.put(OP_NOT, "NOT")
.put(OP_0NOTEQUAL, "0NOTEQUAL")
.put(OP_ADD, "ADD")
.put(OP_SUB, "SUB")
.put(OP_MUL, "MUL")
.put(OP_DIV, "DIV")
.put(OP_MOD, "MOD")
.put(OP_LSHIFT, "LSHIFT")
.put(OP_RSHIFT, "RSHIFT")
.put(OP_BOOLAND, "BOOLAND")
.put(OP_BOOLOR, "BOOLOR")
.put(OP_NUMEQUAL, "NUMEQUAL")
.put(OP_NUMEQUALVERIFY, "NUMEQUALVERIFY")
.put(OP_NUMNOTEQUAL, "NUMNOTEQUAL")
.put(OP_LESSTHAN, "LESSTHAN")
.put(OP_GREATERTHAN, "GREATERTHAN")
.put(OP_LESSTHANOREQUAL, "LESSTHANOREQUAL")
.put(OP_GREATERTHANOREQUAL, "GREATERTHANOREQUAL")
.put(OP_MIN, "MIN")
.put(OP_MAX, "MAX")
.put(OP_WITHIN, "WITHIN")
.put(OP_RIPEMD160, "RIPEMD160")
.put(OP_SHA1, "SHA1")
.put(OP_SHA256, "SHA256")
.put(OP_HASH160, "HASH160")
.put(OP_HASH256, "HASH256")
.put(OP_CODESEPARATOR, "CODESEPARATOR")
.put(OP_CHECKSIG, "CHECKSIG")
.put(OP_CHECKSIGVERIFY, "CHECKSIGVERIFY")
.put(OP_CHECKMULTISIG, "CHECKMULTISIG")
.put(OP_CHECKMULTISIGVERIFY, "CHECKMULTISIGVERIFY")
.put(OP_NOP1, "NOP1")
.put(OP_CHECKLOCKTIMEVERIFY, "CHECKLOCKTIMEVERIFY")
.put(OP_CHECKSEQUENCEVERIFY, "CHECKSEQUENCEVERIFY")
.put(OP_NOP4, "NOP4")
.put(OP_NOP5, "NOP5")
.put(OP_NOP6, "NOP6")
.put(OP_NOP7, "NOP7")
.put(OP_NOP8, "NOP8")
.put(OP_NOP9, "NOP9")
.put(OP_NOP10, "NOP10").build();
private static final Map opCodeNameMap = ImmutableMap.builder()
.put("0", OP_0)
.put("PUSHDATA1", OP_PUSHDATA1)
.put("PUSHDATA2", OP_PUSHDATA2)
.put("PUSHDATA4", OP_PUSHDATA4)
.put("1NEGATE", OP_1NEGATE)
.put("RESERVED", OP_RESERVED)
.put("1", OP_1)
.put("2", OP_2)
.put("3", OP_3)
.put("4", OP_4)
.put("5", OP_5)
.put("6", OP_6)
.put("7", OP_7)
.put("8", OP_8)
.put("9", OP_9)
.put("10", OP_10)
.put("11", OP_11)
.put("12", OP_12)
.put("13", OP_13)
.put("14", OP_14)
.put("15", OP_15)
.put("16", OP_16)
.put("NOP", OP_NOP)
.put("VER", OP_VER)
.put("IF", OP_IF)
.put("NOTIF", OP_NOTIF)
.put("VERIF", OP_VERIF)
.put("VERNOTIF", OP_VERNOTIF)
.put("ELSE", OP_ELSE)
.put("ENDIF", OP_ENDIF)
.put("VERIFY", OP_VERIFY)
.put("RETURN", OP_RETURN)
.put("TOALTSTACK", OP_TOALTSTACK)
.put("FROMALTSTACK", OP_FROMALTSTACK)
.put("2DROP", OP_2DROP)
.put("2DUP", OP_2DUP)
.put("3DUP", OP_3DUP)
.put("2OVER", OP_2OVER)
.put("2ROT", OP_2ROT)
.put("2SWAP", OP_2SWAP)
.put("IFDUP", OP_IFDUP)
.put("DEPTH", OP_DEPTH)
.put("DROP", OP_DROP)
.put("DUP", OP_DUP)
.put("NIP", OP_NIP)
.put("OVER", OP_OVER)
.put("PICK", OP_PICK)
.put("ROLL", OP_ROLL)
.put("ROT", OP_ROT)
.put("SWAP", OP_SWAP)
.put("TUCK", OP_TUCK)
.put("CAT", OP_CAT)
.put("SUBSTR", OP_SUBSTR)
.put("LEFT", OP_LEFT)
.put("RIGHT", OP_RIGHT)
.put("SIZE", OP_SIZE)
.put("INVERT", OP_INVERT)
.put("AND", OP_AND)
.put("OR", OP_OR)
.put("XOR", OP_XOR)
.put("EQUAL", OP_EQUAL)
.put("EQUALVERIFY", OP_EQUALVERIFY)
.put("RESERVED1", OP_RESERVED1)
.put("RESERVED2", OP_RESERVED2)
.put("1ADD", OP_1ADD)
.put("1SUB", OP_1SUB)
.put("2MUL", OP_2MUL)
.put("2DIV", OP_2DIV)
.put("NEGATE", OP_NEGATE)
.put("ABS", OP_ABS)
.put("NOT", OP_NOT)
.put("0NOTEQUAL", OP_0NOTEQUAL)
.put("ADD", OP_ADD)
.put("SUB", OP_SUB)
.put("MUL", OP_MUL)
.put("DIV", OP_DIV)
.put("MOD", OP_MOD)
.put("LSHIFT", OP_LSHIFT)
.put("RSHIFT", OP_RSHIFT)
.put("BOOLAND", OP_BOOLAND)
.put("BOOLOR", OP_BOOLOR)
.put("NUMEQUAL", OP_NUMEQUAL)
.put("NUMEQUALVERIFY", OP_NUMEQUALVERIFY)
.put("NUMNOTEQUAL", OP_NUMNOTEQUAL)
.put("LESSTHAN", OP_LESSTHAN)
.put("GREATERTHAN", OP_GREATERTHAN)
.put("LESSTHANOREQUAL", OP_LESSTHANOREQUAL)
.put("GREATERTHANOREQUAL", OP_GREATERTHANOREQUAL)
.put("MIN", OP_MIN)
.put("MAX", OP_MAX)
.put("WITHIN", OP_WITHIN)
.put("RIPEMD160", OP_RIPEMD160)
.put("SHA1", OP_SHA1)
.put("SHA256", OP_SHA256)
.put("HASH160", OP_HASH160)
.put("HASH256", OP_HASH256)
.put("CODESEPARATOR", OP_CODESEPARATOR)
.put("CHECKSIG", OP_CHECKSIG)
.put("CHECKSIGVERIFY", OP_CHECKSIGVERIFY)
.put("CHECKMULTISIG", OP_CHECKMULTISIG)
.put("CHECKMULTISIGVERIFY", OP_CHECKMULTISIGVERIFY)
.put("NOP1", OP_NOP1)
.put("CHECKLOCKTIMEVERIFY", OP_CHECKLOCKTIMEVERIFY)
.put("CHECKSEQUENCEVERIFY", OP_CHECKSEQUENCEVERIFY)
.put("NOP2", OP_NOP2)
.put("NOP3", OP_NOP3)
.put("NOP4", OP_NOP4)
.put("NOP5", OP_NOP5)
.put("NOP6", OP_NOP6)
.put("NOP7", OP_NOP7)
.put("NOP8", OP_NOP8)
.put("NOP9", OP_NOP9)
.put("NOP10", OP_NOP10).build();
/**
* Converts the given OpCode into a string (eg "0", "PUSHDATA", or "NON_OP(10)")
*/
public static String getOpCodeName(int opcode) {
if (opCodeMap.containsKey(opcode))
return opCodeMap.get(opcode);
return "NON_OP(" + opcode + ")";
}
/**
* Converts the given pushdata OpCode into a string (eg "PUSHDATA2", or "PUSHDATA(23)")
*/
public static String getPushDataName(int opcode) {
if (opCodeMap.containsKey(opcode))
return opCodeMap.get(opcode);
return "PUSHDATA(" + opcode + ")";
}
/**
* Converts the given OpCodeName into an int
*/
public static int getOpCode(String opCodeName) {
if (opCodeNameMap.containsKey(opCodeName))
return opCodeNameMap.get(opCodeName);
return OP_INVALIDOPCODE;
}
}
