Coverage Summary for Class: Message (co.rsk.net.messages)
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Class, %
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Method, %
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Line, %
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Message |
0%
(0/1)
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0%
(0/5)
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0%
(0/14)
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1 /*
2 * This file is part of RskJ
3 * Copyright (C) 2017 RSK Labs Ltd.
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 package co.rsk.net.messages;
20
21 import com.google.common.annotations.VisibleForTesting;
22 import org.ethereum.core.BlockFactory;
23 import org.ethereum.util.RLP;
24 import org.ethereum.util.RLPList;
25
26 /**
27 * Created by ajlopez on 5/10/2016.
28 */
29 public abstract class Message {
30
31 public abstract MessageType getMessageType();
32
33 public abstract byte[] getEncodedMessage();
34
35 public abstract void accept(MessageVisitor v);
36
37 public final byte[] getEncoded() {
38 byte[] type = RLP.encodeByte(getMessageType().getTypeAsByte());
39 byte[] body = RLP.encodeElement(this.getEncodedMessage());
40 return RLP.encodeList(type, body);
41 }
42
43 @VisibleForTesting
44 static Message create(BlockFactory blockFactory, byte[] encoded) {
45 return create(blockFactory, (RLPList) RLP.decode2(encoded).get(0));
46 }
47
48 public static Message create(BlockFactory blockFactory, RLPList paramsList) {
49 byte[] body = paramsList.get(1).getRLPData();
50
51 if (body != null) {
52 int type = paramsList.get(0).getRLPData()[0];
53 MessageType messageType = MessageType.valueOfType(type);
54 RLPList list = (RLPList) RLP.decode2(body).get(0);
55 return messageType.createMessage(blockFactory, list);
56 }
57
58 return null;
59 }
60
61 @Override
62 public String toString() {
63 return "Message{" +
64 "type=" + getMessageType() +
65 '}';
66 }
67 }