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

Example 66 with MiningBlock

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

the class BlockchainImplementationTest method testGetListOfHeadersEndWith_wGenesisBlock.

@Test
public void testGetListOfHeadersEndWith_wGenesisBlock() {
    StandaloneBlockchain.Builder builder = new StandaloneBlockchain.Builder();
    StandaloneBlockchain.Bundle bundle = builder.withValidatorConfiguration("simple").withDefaultAccounts(accounts).build();
    StandaloneBlockchain chain = bundle.bc;
    // populate chain at random
    generateRandomChain(chain, 6, 2, accounts, MAX_TX_PER_BLOCK);
    MiningBlock genesis = chain.getGenesis();
    byte[] genesisHash = genesis.getHash();
    int qty;
    // get one block
    qty = 1;
    assertEndWith_expectedOne(chain, genesisHash, qty);
    // get list of 10 from genesis
    // larger than block height
    qty = 10;
    assertEndWith_expectedOne(chain, genesisHash, qty);
    // get list of -10 from genesis
    // negative value
    qty = -10;
    assertEndWith_expectedOne(chain, genesisHash, qty);
    // get list of 0 from genesis
    // zero blocks requested
    qty = 0;
    assertEndWith_expectedOne(chain, genesisHash, qty);
}

Example 67 with MiningBlock

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

the class BlockchainImplementationTest method testGetListOfHeadersStartFromBlock_wGenesisBlock.

@Test
public void testGetListOfHeadersStartFromBlock_wGenesisBlock() {
    StandaloneBlockchain.Builder builder = new StandaloneBlockchain.Builder();
    StandaloneBlockchain.Bundle bundle = builder.withValidatorConfiguration("simple").withDefaultAccounts(accounts).build();
    StandaloneBlockchain chain = bundle.bc;
    // populate chain at random
    generateRandomChain(chain, 12, 2, accounts, MAX_TX_PER_BLOCK);
    MiningBlock genesis = chain.getGenesis();
    Block best = chain.getBestBlock();
    assertThat(best.getNumber()).isGreaterThan(0L);
    byte[] genesisHash = genesis.getHash();
    // expected result with qty >= chain height
    List<ByteArrayWrapper> expectedAll = new ArrayList<>();
    Block block = chain.getBlockByHash(best.getParentHash());
    while (block.getNumber() > 0) {
        expectedAll.add(0, ByteArrayWrapper.wrap(block.getHash()));
        block = chain.getBlockByHash(block.getParentHash());
    }
    expectedAll.add(0, ByteArrayWrapper.wrap(genesis.getHash()));
    int qty;
    // get one block
    qty = 1;
    assertStartFromBlock_expectedOne(chain, genesisHash, 0, qty);
    // get list of chain height from genesis block
    // chain height
    qty = (int) best.getNumber();
    assertStartFromBlock(chain, 0, qty, expectedAll);
    // get list of half from genesis block
    qty = (int) (best.getNumber() / 2);
    List<ByteArrayWrapper> expectedHalf = new ArrayList<>();
    block = chain.getBlockByNumber(qty - 1);
    for (int i = 0; i < qty; i++) {
        expectedHalf.add(0, ByteArrayWrapper.wrap(block.getHash()));
        block = chain.getBlockByHash(block.getParentHash());
    }
    assertStartFromBlock(chain, 0, qty, expectedHalf);
    // get list of 20 from genesis
    // larger than block height
    qty = 24;
    expectedAll.add(ByteArrayWrapper.wrap(best.getHash()));
    assertStartFromBlock(chain, 0, qty, expectedAll);
    // get list of -10 from genesis block
    // negative value
    qty = -10;
    assertStartFromBlock_expectedOne(chain, genesisHash, 0, qty);
    // get list of 0 from genesis block
    // zero blocks requested
    qty = 0;
    assertStartFromBlock_expectedOne(chain, genesisHash, 0, qty);
}

Example 68 with MiningBlock

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

the class BlockchainIntegrationTest method testDisconnection.

/**
 * This is a special case for testing that the blockchain stores disconnected blocks if we
 * violate the contract of changing the block contents after importing best
 *
 * <p>This behaviour was originally observed when running a pooled miner
 */
@Test
public void testDisconnection() {
    StandaloneBlockchain.Bundle bundle = (new StandaloneBlockchain.Builder()).withValidatorConfiguration("simple").withDefaultAccounts().build();
    StandaloneBlockchain bc = bundle.bc;
    // store this as the best block,
    MiningBlock block = bundle.bc.createNewMiningBlock(bc.getGenesis(), Collections.emptyList(), true);
    byte[] block1Hash = block.getHash();
    // now modify this block to have a different value after connecting
    ImportResult result = bundle.bc.tryToConnect(block);
    assertThat(result).isEqualTo(ImportResult.IMPORTED_BEST);
    // now modify the block in some way
    MiningBlockHeader newBlockHeader = MiningBlockHeader.Builder.newInstance().withHeader(block.getHeader()).withExtraData("other block".getBytes()).build();
    block.updateHeader(newBlockHeader);
    // now try submitting the block again
    result = bundle.bc.tryToConnect(block);
    assertThat(result).isEqualTo(ImportResult.IMPORTED_NOT_BEST);
    // now try creating a new block
    MiningBlock newBlock = bundle.bc.createNewMiningBlock(bundle.bc.getBestBlock(), Collections.emptyList(), true);
    // gets the first main-chain block
    Block storedBlock1 = bundle.bc.getBlockByNumber(1L);
    System.out.println(ByteUtil.toHexString(storedBlock1.getHash()));
    System.out.println(ByteUtil.toHexString(newBlock.getParentHash()));
    assertThat(newBlock.getParentHash()).isNotEqualTo(storedBlock1.getHash());
    assertThat(newBlock.getParentHash()).isEqualTo(block.getHash());
}

Example 69 with MiningBlock

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

the class BlockchainIntegrationTest method testCreateNewEmptyBlock.

@Test
public void testCreateNewEmptyBlock() {
    StandaloneBlockchain.Bundle bundle = (new StandaloneBlockchain.Builder()).withDefaultAccounts().build();
    StandaloneBlockchain bc = bundle.bc;
    MiningBlock block = bc.createNewMiningBlock(bc.getBestBlock(), Collections.EMPTY_LIST, true);
    assertThat(block.getParentHash()).isEqualTo(bc.getGenesis().getHash());
}

Example 70 with MiningBlock

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

the class BlockchainIntegrationTest method testSimpleFailedTransactionInsufficientBalance.

@Test
public void testSimpleFailedTransactionInsufficientBalance() {
    // generate a recipient
    final AionAddress receiverAddress = AddressUtils.wrapAddress("CAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFECAFE");
    StandaloneBlockchain.Bundle bundle = (new StandaloneBlockchain.Builder()).withValidatorConfiguration("simple").withDefaultAccounts().build();
    StandaloneBlockchain bc = bundle.bc;
    // (byte[] nonce, byte[] from, byte[] to, byte[] value, byte[] data)
    ECKey key = bundle.privateKeys.get(0);
    AionTransaction tx = AionTransaction.create(key, BigInteger.valueOf(1).toByteArray(), receiverAddress, BigInteger.valueOf(100).toByteArray(), ByteUtil.EMPTY_BYTE_ARRAY, 1L, energyPrice, TransactionTypes.DEFAULT, null);
    MiningBlock block = bc.createNewMiningBlock(bc.getBestBlock(), Collections.singletonList(tx), true);
    assertThat(block.getTransactionsList()).isEmpty();
    assertThat(block.getTxTrieRoot()).isEqualTo(ConstantUtil.EMPTY_TRIE_HASH);
    ImportResult connection = bc.tryToConnect(block);
    assertThat(connection).isEqualTo(ImportResult.IMPORTED_BEST);
}