Operation.java

package com.yoghurt.crypto.transactions.shared.domain;

import java.io.Serializable;

public enum Operation implements Serializable {
  // Constants
  OP_FALSE(0x00),
  OP_PUSHDATA,
  OP_PUSHDATA1(0x4c),
  OP_PUSHDATA2(0x4d),
  OP_PUSHDATA4(0x4e),
  OP_1NEGATE(0x4f),
  OP_TRUE(0x51),
  OP_2(0x52),
  OP_3(0x53),
  OP_4(0x54),
  OP_5(0x55),
  OP_6(0x56),
  OP_7(0x57),
  OP_8(0x58),
  OP_9(0x59),
  OP_10(0x5a),
  OP_11(0x5b),
  OP_12(0x5c),
  OP_13(0x5d),
  OP_14(0x5e),
  OP_15(0x5f),
  OP_16(0x60),

  // Flow control
  OP_NOP(0x61),
  OP_IF(0x63),
  OP_NOTIF(0x64),
  OP_ELSE(0x67),
  OP_ENDIF(0x68),
  OP_VERIFY(0x69),
  OP_RETURN(0x6a),

  // Stack
  OP_TOALTSTACK(0x6b),
  OP_FROMALTSTACK(0x6c),
  OP_2DROP(0x6d),
  OP_2DUP(0x6e),
  OP_3DUP(0x6f),
  OP_2OVER(0x70),
  OP_2ROT(0x71),
  OP_2SWAP(0x72),
  OP_IFDUP(0x73),
  OP_DEPTH(0x74),
  OP_DROP(0x75),
  OP_DUP(0x76),
  OP_NIP(0x77),
  OP_OVER(0x78),
  OP_PICK(0x79),
  OP_ROLL(0x7a),
  OP_ROT(0x7b),
  OP_SWAP(0x7c),
  OP_TUCK(0x7d),

  // Splice
  OP_CAT(0x7e),
  OP_SUBSTR(0x7f),
  OP_LEFT(0x80),
  OP_RIGHT(0x81),
  OP_SIZE(0x82),

  // Bitwise logic
  OP_INVERT(0x83),
  OP_AND(0x84),
  OP_OR(0x85),
  OP_XOR(0x86),
  OP_EQUAL(0x87),
  OP_EQUALVERIFY(0x88),

  // Arithmetic
  OP_1ADD(0x8b),
  OP_1SUB(0x8c),
  OP_2MUL(0x8d),
  OP_2DIV(0x8e),
  OP_NEGATE(0x8f),
  OP_ABS(0x90),
  OP_NOT(0x91),
  OP_0NOTEQUAL(0x92),
  OP_ADD(0x93),
  OP_SUB(0x94),
  OP_MUL(0x95),
  OP_DIV(0x96),
  OP_MOD(0x97),
  OP_LSHIFT(0x98),
  OP_RSHIFT(0x99),
  OP_BOOLAND(0x9a),
  OP_BOOLOR(0x9b),
  OP_NUMEQUAL(0x9c),
  OP_NUMEQUALVERIFY(0x9d),
  OP_NUMNOTEQUAL(0x9e),
  OP_LESSTHAN(0x9f),
  OP_GREATERTHAN(0xa0),
  OP_LESSTHANOREQUAL(0xa1),
  OP_GREATERTHANOREQUAL(0xa2),
  OP_MIN(0xa3),
  OP_MAX(0xa4),
  OP_WITHIN(0xa5),

  // Crypto
  OP_RIPEMD160(0xa6),
  OP_SHA1(0xa7),
  OP_SHA256(0xa8),
  OP_HASH160(0xa9),
  OP_HASH256(0xaa),
  OP_CODESEPARATOR(0xab),
  OP_CHECKSIG(0xac),
  OP_CHECKSIGVERIFY(0xad),
  OP_CHECKMULTISIG(0xae),
  OP_CHECKMULTISIGVERIFY(0xaf),

  // Pseudo words
  OP_PUBKEYHASH(0xfd),
  OP_PUBKEY(0xfe),
  OP_INVALIDOPCODE(0xff),

  // Reserved words
  OP_RESERVED(0x50),
  OP_VER(0x62),
  OP_VERIF(0x65),
  OP_VERNOTIF(0x66),
  OP_RESERVED1(0x89),
  OP_RESERVED2(0x8a),
  OP_NOP1(0xb0),
  OP_NOP2(0xb1),
  OP_NOP3(0xb2),
  OP_NOP4(0xb3),
  OP_NOP5(0xb4),
  OP_NOP6(0xb5),
  OP_NOP7(0xb6),
  OP_NOP8(0xb7),
  OP_NOP9(0xb8),
  OP_NOP10(0xb9);

  private final int opcode;

  private Operation() {
    this(-1);
  }

  private Operation(final int opcode) {
    this.opcode = opcode;
  }

  public int getOpcode() {
    return opcode;
  }
}