Examples with MiningBlockHeader org.aion.zero.impl.types.MiningBlockHeader used on opensource projects

Example 16 with MiningBlockHeader

use of org.aion.zero.impl.types.MiningBlockHeader in project aion by aionnetwork.

the class PendingBlockStoreTest method testDropPendingQueues_wSingleQueue.

@Test
public void testDropPendingQueues_wSingleQueue() {
    Properties props = new Properties();
    props.setProperty(Props.DB_TYPE, DBVendor.MOCKDB.toValue());
    PendingBlockStore pb = null;
    try {
        pb = new PendingBlockStore(props);
    } catch (IOException e) {
        e.printStackTrace();
    }
    assertThat(pb.isOpen()).isTrue();
    // add first queue
    List<Block> blocks = TestResources.consecutiveBlocks(6);
    Block first = blocks.get(0);
    pb.addBlockRange(blocks);
    // add second queue
    MiningBlock altBlock = (MiningBlock) BlockUtil.newBlockFromRlp(first.getEncoded());
    MiningBlockHeader newHeader = MiningBlockHeader.Builder.newInstance().withHeader(altBlock.getHeader()).withExtraData("random".getBytes()).build();
    altBlock.updateHeader(newHeader);
    List<Block> sideChain = new ArrayList<>();
    sideChain.add(altBlock);
    pb.addBlockRange(sideChain);
    // check storage updates
    assertThat(pb.getIndexSize()).isEqualTo(7);
    assertThat(pb.getLevelSize()).isEqualTo(1);
    assertThat(pb.getQueueSize()).isEqualTo(2);
    // test drop functionality
    Map<ByteArrayWrapper, List<Block>> actual = pb.loadBlockRange(first.getNumber());
    List<ByteArrayWrapper> queues = new ArrayList<>();
    queues.add(ByteArrayWrapper.wrap(first.getHash()));
    pb.dropPendingQueues(first.getNumber(), queues, actual);
    // check storage after drop functionality
    assertThat(pb.getIndexSize()).isEqualTo(1);
    assertThat(pb.getLevelSize()).isEqualTo(1);
    assertThat(pb.getQueueSize()).isEqualTo(1);
}

Example 17 with MiningBlockHeader

use of org.aion.zero.impl.types.MiningBlockHeader in project aion by aionnetwork.

the class PendingBlockStoreTest method testDropPendingQueues.

@Test
public void testDropPendingQueues() {
    Properties props = new Properties();
    props.setProperty(Props.DB_TYPE, DBVendor.MOCKDB.toValue());
    PendingBlockStore pb = null;
    try {
        pb = new PendingBlockStore(props);
    } catch (IOException e) {
        e.printStackTrace();
    }
    assertThat(pb.isOpen()).isTrue();
    // add first queue
    List<Block> blocks = TestResources.consecutiveBlocks(6);
    Block first = blocks.get(0);
    pb.addBlockRange(blocks);
    // add second queue
    MiningBlock altBlock = (MiningBlock) BlockUtil.newBlockFromRlp(first.getEncoded());
    MiningBlockHeader newHeader = MiningBlockHeader.Builder.newInstance().withHeader(altBlock.getHeader()).withExtraData("random".getBytes()).build();
    altBlock.updateHeader(newHeader);
    List<Block> sideChain = new ArrayList<>();
    sideChain.add(altBlock);
    pb.addBlockRange(sideChain);
    // check storage updates
    assertThat(pb.getIndexSize()).isEqualTo(7);
    assertThat(pb.getLevelSize()).isEqualTo(1);
    assertThat(pb.getQueueSize()).isEqualTo(2);
    // test drop functionality
    Map<ByteArrayWrapper, List<Block>> actual = pb.loadBlockRange(first.getNumber());
    pb.dropPendingQueues(first.getNumber(), actual.keySet(), actual);
    // check storage after drop functionality
    assertThat(pb.getIndexSize()).isEqualTo(0);
    assertThat(pb.getLevelSize()).isEqualTo(0);
    assertThat(pb.getQueueSize()).isEqualTo(0);
}

Example 18 with MiningBlockHeader

use of org.aion.zero.impl.types.MiningBlockHeader in project aion by aionnetwork.

the class FvmExploitsTest method testAddInvalidAndThenValidBlocks.

@Test
public void testAddInvalidAndThenValidBlocks() throws InterruptedException {
    String testerByteCode = "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";
    StandaloneBlockchain.Bundle bundle = (new StandaloneBlockchain.Builder()).withValidatorConfiguration("simple").withDefaultAccounts().build();
    StandaloneBlockchain bc = bundle.bc;
    ECKey deployerAccount = bundle.privateKeys.get(0);
    // =======================================================================
    BigInteger nonce = BigInteger.ZERO;
    AionTransaction tx = AionTransaction.create(deployerAccount, nonce.toByteArray(), null, new byte[0], ByteUtil.hexStringToBytes(testerByteCode), 1_000_000L, energyPrice, TransactionTypes.DEFAULT, null);
    assertThat(tx.isContractCreationTransaction()).isTrue();
    BlockContext context = bc.createNewMiningBlockContext(bc.getBestBlock(), Collections.singletonList(tx), false);
    ImportResult result = bc.tryToConnect(context.block);
    assertThat(result).isEqualTo(ImportResult.IMPORTED_BEST);
    AionAddress contractAddress = TxUtil.calculateContractAddress(tx);
    Thread.sleep(1000L);
    // =======================================================================
    nonce = nonce.add(BigInteger.ONE);
    AionTransaction tx2 = AionTransaction.create(deployerAccount, nonce.toByteArray(), contractAddress, new BigInteger("100000000000000000000").toByteArray(), new byte[0], 1_000_000L, energyPrice, TransactionTypes.DEFAULT, null);
    BlockContext context2 = bc.createNewMiningBlockContext(bc.getBestBlock(), Collections.singletonList(tx2), false);
    MiningBlock block = context2.block;
    byte[] originalReceiptsHash = block.getReceiptsRoot();
    // try importing an invalid block
    MiningBlockHeader newHeader = MiningBlockHeader.Builder.newInstance().withHeader(block.getHeader()).withReceiptTrieRoot(new byte[32]).build();
    block.updateHeader(newHeader);
    ImportResult result2 = bc.tryToConnect(context2.block);
    assertThat(result2).isEqualTo(ImportResult.INVALID_BLOCK);
    // try importing the correct block
    newHeader = MiningBlockHeader.Builder.newInstance().withHeader(block.getHeader()).withReceiptTrieRoot(originalReceiptsHash).build();
    block.updateHeader(newHeader);
    ImportResult result3 = bc.tryToConnect(context2.block);
    assertThat(result3).isEqualTo(ImportResult.IMPORTED_BEST);
}

Example 19 with MiningBlockHeader

use of org.aion.zero.impl.types.MiningBlockHeader in project aion by aionnetwork.

the class Equihash method mine.

/*
     * Mine for a single nonce
     */
public AionPowSolution mine(MiningBlock block, byte[] nonce) {
    MiningBlockHeader updateHeader = MiningBlockHeader.Builder.newInstance().withHeader(block.getHeader()).build();
    byte[] inputBytes = updateHeader.getMineHash();
    BigInteger target = updateHeader.getPowBoundaryBI();
    int[][] generatedSolutions;
    // Convert byte to LE order (in place)
    toLEByteArray(nonce);
    // Get solutions for this nonce
    generatedSolutions = getSolutionsForNonce(inputBytes, nonce);
    // Increment number of solutions
    this.totalSolGenerated.addAndGet(generatedSolutions.length);
    if (LOG.isDebugEnabled()) {
        LOG.debug("Produced " + generatedSolutions.length + " solutions");
    }
    // Check each returned solution
    for (int[] generatedSolution : generatedSolutions) {
        // Verify if any of the solutions pass the difficulty filter, return if true.
        byte[] minimal = EquiUtils.getMinimalFromIndices(generatedSolution, cBitLen);
        byte[] validationBytes = merge(inputBytes, nonce, minimal);
        // Found a valid solution
        if (isValidBlock(validationBytes, target)) {
            return new AionPowSolution(block, nonce, minimal);
        }
    }
    return null;
}

Example 20 with MiningBlockHeader

use of org.aion.zero.impl.types.MiningBlockHeader in project aion by aionnetwork.

the class ResBlocksHeadersTest method testHeader.

@Test
public void testHeader() {
    byte[] dd = bh1.getEncoded();
    MiningBlockHeader bh2;
    try {
        bh2 = MiningBlockHeader.Builder.newInstance().withRlpEncodedData(dd).build();
    } catch (Exception e) {
        System.out.println(e.toString());
        e.printStackTrace();
        return;
    }
    assertArrayEquals(bh1.getParentHash(), bh2.getParentHash());
    assertArrayEquals(bh1.getParentHash(), bh2.getParentHash());
    assertTrue(bh1.getCoinbase().equals(bh2.getCoinbase()));
    byte[] log1 = bh1.getLogsBloom();
    byte[] log2 = bh2.getLogsBloom();
    assertThat(log2).isEqualTo(log1);
    byte[] dif1 = bh1.getDifficulty();
    byte[] dif2 = bh2.getDifficulty();
    assertThat(dif2).isEqualTo(dif1);
    assertThat(bh2.getNumber()).isEqualTo(bh1.getNumber());
    assertThat(bh2.getTimestamp()).isEqualTo(bh1.getTimestamp());
    byte[] data1 = bh1.getExtraData();
    byte[] data2 = bh2.getExtraData();
    assertThat(data2).isEqualTo(data1);
    byte[] nonc1 = bh1.getNonce();
    byte[] nonc2 = bh2.getNonce();
    assertThat(nonc2).isEqualTo(nonc1);
    byte[] sol1 = bh1.getSolution();
    byte[] sol2 = bh2.getSolution();
    assertThat(sol2).isEqualTo(sol1);
    assertThat(bh2.getEnergyConsumed()).isEqualTo(bh1.getEnergyConsumed());
    assertThat(bh2.getEnergyLimit()).isEqualTo(bh1.getEnergyLimit());
}