Examples with ProofOfWorkRule co.rsk.validators.ProofOfWorkRule used on opensource projects

Example 1 with ProofOfWorkRule

use of co.rsk.validators.ProofOfWorkRule in project rskj by rsksmart.

the class MainNetMinerTest method submitBitcoinBlockInvalidBlockDoesntEliminateCache.

/*
     * This test is much more likely to fail than the
     * submitBitcoinBlockProofOfWorkNotGoodEnough test. Even then
     * it should almost never fail.
     */
@Test
public void submitBitcoinBlockInvalidBlockDoesntEliminateCache() {
    // ////////////////////////////////////////////////////////////////////
    // To make this test work we need a special network spec with
    // medium minimum difficulty (this is not the mainnet nor the regnet)
    // //////////////////////////////////////////////////////////////////
    /* We need a low, but not too low, target */
    BlockChainImpl bc = new BlockChainBuilder().build();
    Genesis gen = (Genesis) BlockChainImplTest.getGenesisBlock(bc);
    gen.getHeader().setDifficulty(new BlockDifficulty(BigInteger.valueOf(300000)));
    bc.setStatus(gen, gen.getCumulativeDifficulty());
    World world = new World(bc, gen);
    blockchain = world.getBlockChain();
    EthereumImpl ethereumImpl = Mockito.mock(EthereumImpl.class);
    Mockito.when(ethereumImpl.addNewMinedBlock(Mockito.any())).thenReturn(ImportResult.IMPORTED_BEST);
    MinerServer minerServer = new MinerServerImpl(config, ethereumImpl, this.blockchain, world.getBlockProcessor(), DIFFICULTY_CALCULATOR, new ProofOfWorkRule(config).setFallbackMiningEnabled(false), blockToMineBuilder(), ConfigUtils.getDefaultMiningConfig());
    try {
        minerServer.start();
        MinerWork work = minerServer.getWork();
        co.rsk.bitcoinj.core.BtcBlock bitcoinMergedMiningBlock = getMergedMiningBlock(work);
        bitcoinMergedMiningBlock.setNonce(1);
        // Try to submit a block with invalid PoW, this should not eliminate the block from the cache
        SubmitBlockResult result1 = minerServer.submitBitcoinBlock(work.getBlockHashForMergedMining(), bitcoinMergedMiningBlock);
        Assert.assertEquals("ERROR", result1.getStatus());
        Assert.assertNull(result1.getBlockInfo());
        Mockito.verify(ethereumImpl, Mockito.times(0)).addNewMinedBlock(Mockito.any());
    // Now try to submit the same block, this should work fine since the block remains in the cache
    // This WON't work in mainnet because difficulty is HIGH
    /*---------------------------------------------------------
        findNonce(work, bitcoinMergedMiningBlock);

        SubmitBlockResult result2 = minerServer.submitBitcoinBlock(work.getBlockHashForMergedMining(), bitcoinMergedMiningBlock);

        Assert.assertEquals("OK", result2.getStatus());
        Assert.assertNotNull(result2.getBlockInfo());
        Mockito.verify(ethereumImpl, Mockito.times(1)).addNewMinedBlock(Mockito.any());

        // Finally, submit the same block again and validate that addNewMinedBlock is called again
        SubmitBlockResult result3 = minerServer.submitBitcoinBlock(work.getBlockHashForMergedMining(), bitcoinMergedMiningBlock);

        Assert.assertEquals("OK", result3.getStatus());
        Assert.assertNotNull(result3.getBlockInfo());
        Mockito.verify(ethereumImpl, Mockito.times(2)).addNewMinedBlock(Mockito.any());
        -------------------------------*/
    } finally {
        minerServer.stop();
    }
}

Example 2 with ProofOfWorkRule

use of co.rsk.validators.ProofOfWorkRule in project rskj by rsksmart.

the class MinerManagerTest method getMinerServer.

private static MinerServerImpl getMinerServer(Blockchain blockchain) {
    SimpleEthereum ethereum = new SimpleEthereum();
    ethereum.repository = blockchain.getRepository();
    ethereum.blockchain = blockchain;
    DifficultyCalculator difficultyCalculator = new DifficultyCalculator(config);
    return new MinerServerImpl(config, ethereum, blockchain, null, difficultyCalculator, new ProofOfWorkRule(config).setFallbackMiningEnabled(false), new BlockToMineBuilder(ConfigUtils.getDefaultMiningConfig(), blockchain.getRepository(), blockchain.getBlockStore(), blockchain.getTransactionPool(), difficultyCalculator, new GasLimitCalculator(config), new BlockValidationRuleDummy(), config, null), ConfigUtils.getDefaultMiningConfig());
}

Example 3 with ProofOfWorkRule

use of co.rsk.validators.ProofOfWorkRule in project rskj by rsksmart.

the class MinerServerTest method submitBitcoinBlockPartialMerkleWhenBlockHasTransactions.

@Test
public void submitBitcoinBlockPartialMerkleWhenBlockHasTransactions() {
    EthereumImpl ethereumImpl = Mockito.mock(EthereumImpl.class);
    Mockito.when(ethereumImpl.addNewMinedBlock(Mockito.any())).thenReturn(ImportResult.IMPORTED_BEST);
    BlockUnclesValidationRule unclesValidationRule = Mockito.mock(BlockUnclesValidationRule.class);
    Mockito.when(unclesValidationRule.isValid(Mockito.any())).thenReturn(true);
    MinerServer minerServer = new MinerServerImpl(config, ethereumImpl, blockchain, null, DIFFICULTY_CALCULATOR, new ProofOfWorkRule(config).setFallbackMiningEnabled(false), new BlockToMineBuilder(ConfigUtils.getDefaultMiningConfig(), blockchain.getRepository(), blockchain.getBlockStore(), blockchain.getTransactionPool(), DIFFICULTY_CALCULATOR, new GasLimitCalculator(config), unclesValidationRule, config, null), ConfigUtils.getDefaultMiningConfig());
    try {
        minerServer.start();
        MinerWork work = minerServer.getWork();
        BtcTransaction otherTx = Mockito.mock(BtcTransaction.class);
        Sha256Hash otherTxHash = Sha256Hash.wrap("aaaabbbbccccddddaaaabbbbccccddddaaaabbbbccccddddaaaabbbbccccdddd");
        Mockito.when(otherTx.getHash()).thenReturn(otherTxHash);
        Mockito.when(otherTx.getHashAsString()).thenReturn(otherTxHash.toString());
        BtcBlock bitcoinMergedMiningBlock = getMergedMiningBlock(work, Collections.singletonList(otherTx));
        findNonce(work, bitcoinMergedMiningBlock);
        // noinspection ConstantConditions
        BtcTransaction coinbase = bitcoinMergedMiningBlock.getTransactions().get(0);
        String coinbaseReversedHash = Sha256Hash.wrap(coinbase.getHash().getReversedBytes()).toString();
        String otherTxHashReversed = Sha256Hash.wrap(otherTxHash.getReversedBytes()).toString();
        List<String> merkleHashes = Arrays.asList(coinbaseReversedHash, otherTxHashReversed);
        SubmitBlockResult result = minerServer.submitBitcoinBlockPartialMerkle(work.getBlockHashForMergedMining(), bitcoinMergedMiningBlock, coinbase, merkleHashes, 2);
        Assert.assertEquals("OK", result.getStatus());
        Assert.assertNotNull(result.getBlockInfo());
        Assert.assertEquals("0x1", result.getBlockInfo().getBlockIncludedHeight());
        Assert.assertEquals("0x494d504f525445445f42455354", result.getBlockInfo().getBlockImportedResult());
        Mockito.verify(ethereumImpl, Mockito.times(1)).addNewMinedBlock(Mockito.any());
    } finally {
        minerServer.stop();
    }
}

Example 4 with ProofOfWorkRule

use of co.rsk.validators.ProofOfWorkRule in project rskj by rsksmart.

the class MinerServerTest method buildBlockToMineCheckThatLastTransactionIsForREMASC.

@Test
public void buildBlockToMineCheckThatLastTransactionIsForREMASC() {
    EthereumImpl ethereumImpl = Mockito.mock(EthereumImpl.class);
    Repository repository = Mockito.mock(Repository.class);
    Mockito.when(repository.getSnapshotTo(Mockito.any())).thenReturn(repository);
    Mockito.when(repository.getRoot()).thenReturn(blockchain.getRepository().getRoot());
    Mockito.when(repository.startTracking()).thenReturn(repository);
    Transaction tx1 = Tx.create(config, 0, 21000, 100, 0, 0, 0);
    byte[] s1 = new byte[32];
    s1[0] = 0;
    Mockito.when(tx1.getHash()).thenReturn(new Keccak256(s1));
    Mockito.when(tx1.getEncoded()).thenReturn(new byte[32]);
    Mockito.when(repository.getNonce(tx1.getSender())).thenReturn(BigInteger.ZERO);
    Mockito.when(repository.getNonce(RemascTransaction.REMASC_ADDRESS)).thenReturn(BigInteger.ZERO);
    Mockito.when(repository.getBalance(tx1.getSender())).thenReturn(Coin.valueOf(4200000L));
    Mockito.when(repository.getBalance(RemascTransaction.REMASC_ADDRESS)).thenReturn(Coin.valueOf(4200000L));
    List<Transaction> txs = new ArrayList<>(Collections.singletonList(tx1));
    TransactionPool localTransactionPool = Mockito.mock(TransactionPool.class);
    Mockito.when(localTransactionPool.getPendingTransactions()).thenReturn(txs);
    BlockUnclesValidationRule unclesValidationRule = Mockito.mock(BlockUnclesValidationRule.class);
    Mockito.when(unclesValidationRule.isValid(Mockito.any())).thenReturn(true);
    MinerServerImpl minerServer = new MinerServerImpl(config, ethereumImpl, this.blockchain, null, DIFFICULTY_CALCULATOR, new ProofOfWorkRule(config).setFallbackMiningEnabled(false), new BlockToMineBuilder(ConfigUtils.getDefaultMiningConfig(), repository, this.blockchain.getBlockStore(), localTransactionPool, DIFFICULTY_CALCULATOR, new GasLimitCalculator(config), unclesValidationRule, config, null), ConfigUtils.getDefaultMiningConfig());
    minerServer.buildBlockToMine(blockchain.getBestBlock(), false);
    Block blockAtHeightOne = minerServer.getBlocksWaitingforPoW().entrySet().iterator().next().getValue();
    List<Transaction> blockTransactions = blockAtHeightOne.getTransactionsList();
    assertNotNull(blockTransactions);
    assertEquals(2, blockTransactions.size());
    Transaction remascTransaction = blockTransactions.get(1);
    assertThat(remascTransaction, instanceOf(RemascTransaction.class));
}

Example 5 with ProofOfWorkRule

use of co.rsk.validators.ProofOfWorkRule in project rskj by rsksmart.

the class NodeMessageHandlerTest method postBlockMessageUsingProcessor.

@Test
public void postBlockMessageUsingProcessor() throws InterruptedException, UnknownHostException {
    SimpleBlockProcessor sbp = new SimpleBlockProcessor();
    NodeMessageHandler processor = new NodeMessageHandler(config, sbp, null, null, null, null, null, new ProofOfWorkRule(config).setFallbackMiningEnabled(false));
    Block block = BlockChainBuilder.ofSize(1, true).getBestBlock();
    Message message = new BlockMessage(block);
    processor.start();
    processor.postMessage(new SimpleMessageChannel(), message);
    Thread.sleep(1000);
    processor.stop();
    Assert.assertNotNull(sbp.getBlocks());
    Assert.assertEquals(1, sbp.getBlocks().size());
    Assert.assertSame(block, sbp.getBlocks().get(0));
}