Coverage Summary for Class: MinerClock (co.rsk.mine)
Class |
Class, %
|
Method, %
|
Line, %
|
MinerClock |
0%
(0/1)
|
0%
(0/4)
|
0%
(0/13)
|
1 /*
2 * This file is part of RskJ
3 * Copyright (C) 2018 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 package co.rsk.mine;
19
20 import org.ethereum.core.BlockHeader;
21
22 import java.time.Clock;
23
24 public class MinerClock {
25 private final boolean isFixedClock;
26 private final Clock clock;
27
28 private long timeAdjustment;
29
30 public MinerClock(boolean isFixedClock, Clock clock) {
31 this.isFixedClock = isFixedClock;
32 this.clock = clock;
33 }
34
35 public long calculateTimestampForChild(BlockHeader parentHeader) {
36 long previousTimestamp = parentHeader.getTimestamp();
37 if (isFixedClock) {
38 return previousTimestamp + timeAdjustment;
39 }
40
41 long ret = clock.instant().plusSeconds(timeAdjustment).getEpochSecond();
42 return Long.max(ret, previousTimestamp + 1);
43 }
44
45 public long increaseTime(long seconds) {
46 if (seconds <= 0) {
47 return timeAdjustment;
48 }
49
50 timeAdjustment += seconds;
51 return timeAdjustment;
52 }
53
54 public void clearIncreaseTime() {
55 timeAdjustment = 0;
56 }
57 }