/*
* Copyright (c) [2016] [ <ether.camp> ]
* This file is part of the ethereumJ library.
*
* The ethereumJ library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The ethereumJ library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.
*/
package org.ethereum.validator;
import org.ethereum.core.Block;
import org.junit.Ignore;
import org.junit.Test;
import org.spongycastle.util.encoders.Hex;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* @author Mikhail Kalinin
* @since 02.09.2015
*/
public class ProofOfWorkRuleTest {
private ProofOfWorkRule rule = new ProofOfWorkRule();
@Test // check exact values
public void test_0() {
byte[] rlp = Hex.decode("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");
Block b = new Block(rlp);
byte[] boundary = b.getHeader().getPowBoundary();
byte[] pow = b.getHeader().calcPowValue();
assertArrayEquals(Hex.decode("0000000000bd59a74a8619f14c3d793747f1989a29ed6c83a5a488bac185679b"), boundary);
assertArrayEquals(Hex.decode("000000000017f78925469f2f18fe7866ef6d3ed28d36fb013bc93d081e05809c"), pow);
}
@Test // valid block
public void test_1() {
byte[] rlp = Hex.decode("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");
Block b = new Block(rlp);
assertTrue(rule.validate(b.getHeader()).success);
}
@Test // invalid block
public void test_2() {
byte[] rlp = Hex.decode("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");
Block b = new Block(rlp);
assertFalse(rule.validate(b.getHeader()).success);
}
@Ignore
@Test // stress test
public void test_3() {
int iterCnt = 1_000_000;
byte[] rlp = Hex.decode("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");
Block b = new Block(rlp);
long start = System.currentTimeMillis();
for (int i = 0; i < iterCnt; i++)
rule.validate(b.getHeader());
long total = System.currentTimeMillis() - start;
System.out.println(String.format("Time: total = %d ms, per block = %.2f ms", total, (double) total / iterCnt));
}
}