Examples with LedgerBlock com.jd.blockchain.ledger.LedgerBlock used on opensource projects

Example 1 with LedgerBlock

use of com.jd.blockchain.ledger.LedgerBlock in project jdchain-core by blockchain-jd-com.

the class BlockCommitService method commitBlock.

public boolean commitBlock(Block block, BlockClosure done) throws BlockCommittedException {
    boolean result = true;
    long latestBlockHeight = ledgerRepository.retrieveLatestBlockHeight();
    if (latestBlockHeight >= block.getHeight()) {
        throw new BlockCommittedException(block.getHeight());
    }
    if (latestBlockHeight + 1 != block.getHeight()) {
        notifyCatchUp(block.getHeight());
        LOGGER.error("commit block ignore. expect height:{}, latest block: {}", block.getHeight(), latestBlockHeight);
        return false;
    }
    RaftConsensusMessageContext context = RaftConsensusMessageContext.createContext(realmName);
    context.setTimestamp(block.getProposalTimestamp());
    String batch = messageHandle.beginBatch(context);
    context.setBatchId(batch);
    LoggerUtils.debugIfEnabled(LOGGER, "commit block start, batchId: {}", batch);
    Status status = Status.OK();
    try {
        int msgId = 0;
        for (byte[] tx : block.getTxs()) {
            AsyncFuture<byte[]> asyncFuture = messageHandle.processOrdered(msgId++, tx, context);
            Optional.ofNullable(done).ifPresent(d -> d.addFuture(asyncFuture));
        }
        messageHandle.completeBatch(context);
        // todo ?
        messageHandle.commitBatch(context);
        LedgerBlock repositoryLatestBlock = ledgerRepository.getLatestBlock();
        assert repositoryLatestBlock.getHeight() == block.getHeight();
        block.setPreBlockHash(repositoryLatestBlock.getPreviousHash());
        block.setCurrentBlockHash(repositoryLatestBlock.getHash());
        blockCommitCallbackList.forEach(c -> c.commitCallBack(block, true));
    } catch (Exception e) {
        LOGGER.error("commitBlock error", e);
        result = false;
        messageHandle.rollbackBatch(TransactionState.CONSENSUS_ERROR.CODE, context);
        status = new Status(TransactionState.CONSENSUS_ERROR.CODE, e.getMessage());
        blockCommitCallbackList.forEach(c -> c.commitCallBack(block, false));
    }
    LoggerUtils.debugIfEnabled(LOGGER, "commit block end, batchId: {}, blockHeight: {}, status: {}", batch, block.getHeight(), status);
    if (done != null) {
        done.run(status);
    }
    return result;
}

Example 2 with LedgerBlock

use of com.jd.blockchain.ledger.LedgerBlock in project jdchain-core by blockchain-jd-com.

the class RaftConsensusStateMachine method onStart.

public void onStart() {
    LedgerBlock ledgerBlock = ledgerRepository.retrieveLatestBlock();
    this.currentBlockHeight.set(ledgerBlock.getHeight());
}

Example 3 with LedgerBlock

use of com.jd.blockchain.ledger.LedgerBlock in project jdchain-core by blockchain-jd-com.

the class LedgerEditorTest method testGennesisBlockCreation.

/**
 * 测试创建账本；
 */
@Test
public void testGennesisBlockCreation() {
    LedgerEditor ldgEdt = createLedgerInitEditor();
    LedgerTransactionContext genisisTxCtx = createGenisisTx(ldgEdt, participants);
    LedgerDataSetEditor ldgDS = (LedgerDataSetEditor) genisisTxCtx.getDataset();
    AsymmetricKeypair cryptoKeyPair = signatureFunction.generateKeypair();
    BlockchainKeypair userKP = new BlockchainKeypair(cryptoKeyPair.getPubKey(), cryptoKeyPair.getPrivKey());
    UserAccount userAccount = ldgDS.getUserAccountSet().register(userKP.getAddress(), userKP.getPubKey());
    userAccount.setProperty("Name", "孙悟空", -1);
    userAccount.setProperty("Age", "10000", -1);
    TransactionResult tx = genisisTxCtx.commit(TransactionState.SUCCESS);
    TransactionRequest genesisTxReq = genisisTxCtx.getTransactionRequest();
    assertEquals(genesisTxReq.getTransactionHash(), tx.getTransactionHash());
    assertEquals(0, tx.getBlockHeight());
    LedgerBlock block = ldgEdt.prepare();
    assertEquals(0, block.getHeight());
    assertNotNull(block.getHash());
    assertNull(block.getLedgerHash());
    assertNull(block.getPreviousHash());
    // 提交数据，写入存储；
    ldgEdt.commit();
}

Example 4 with LedgerBlock

use of com.jd.blockchain.ledger.LedgerBlock in project jdchain-core by blockchain-jd-com.

the class LedgerEditorTest method testWriteDataAccoutKvOp.

@SuppressWarnings("unused")
@Test
public void testWriteDataAccoutKvOp() {
    MemoryKVStorage storage = new MemoryKVStorage();
    LedgerEditor ldgEdt = createLedgerInitEditor(storage);
    LedgerTransactionContext genisisTxCtx = createGenisisTx(ldgEdt, participants);
    LedgerDataSetEditor ldgDS = (LedgerDataSetEditor) genisisTxCtx.getDataset();
    AsymmetricKeypair cryptoKeyPair = signatureFunction.generateKeypair();
    BlockchainKeypair dataKP = new BlockchainKeypair(cryptoKeyPair.getPubKey(), cryptoKeyPair.getPrivKey());
    DataAccount dataAccount = ldgDS.getDataAccountSet().register(dataKP.getAddress(), dataKP.getPubKey(), null);
    dataAccount.getDataset().setValue("A", TypedValue.fromText("abc"), -1);
    TransactionResult tx = genisisTxCtx.commit(TransactionState.SUCCESS);
    LedgerBlock block = ldgEdt.prepare();
    // 提交数据，写入存储；
    ldgEdt.commit();
    // 预期这是第1个区块；
    assertNotNull(block);
    assertNotNull(block.getHash());
    assertEquals(0, block.getHeight());
    // 验证数据读写的一致性；
    BytesValue bytes = dataAccount.getDataset().getValue("A");
    assertEquals(DataType.TEXT, bytes.getType());
    String textValue = bytes.getBytes().toUTF8String();
    assertEquals("abc", textValue);
    // 验证重新加载的正确性；
    LedgerManager manager = new LedgerManager();
    HashDigest ledgerHash = block.getHash();
    LedgerRepository repo = manager.register(ledgerHash, storage, LedgerDataStructure.MERKLE_TREE);
    dataAccount = repo.getDataAccountSet().getAccount(dataKP.getAddress());
    assertNotNull(dataAccount);
    bytes = dataAccount.getDataset().getValue("A");
    assertEquals(DataType.TEXT, bytes.getType());
    textValue = bytes.getBytes().toUTF8String();
    assertEquals("abc", textValue);
    LedgerTransaction tx_init = repo.getTransactionSet().getTransaction(tx.getTransactionHash());
    assertNotNull(tx_init);
}

Example 5 with LedgerBlock

use of com.jd.blockchain.ledger.LedgerBlock in project jdchain-core by blockchain-jd-com.

the class LedgerBlockImplTest method testSerialize_LedgerBlock.

@Test
public void testSerialize_LedgerBlock() throws Exception {
    byte[] serialBytes = BinaryProtocol.encode(data, LedgerBlock.class);
    LedgerBlock resolvedData1 = BinaryProtocol.decode(serialBytes);
    System.out.println("------Assert start ------");
    assertEquals(data.getHash(), resolvedData1.getHash());
    assertEquals(data.getHeight(), resolvedData1.getHeight());
    assertEquals(data.getLedgerHash(), resolvedData1.getLedgerHash());
    assertEquals(data.getPreviousHash(), resolvedData1.getPreviousHash());
    assertEquals(data.getTransactionSetHash(), resolvedData1.getTransactionSetHash());
    assertEquals(data.getAdminAccountHash(), resolvedData1.getAdminAccountHash());
    assertEquals(data.getContractAccountSetHash(), resolvedData1.getContractAccountSetHash());
    assertEquals(data.getDataAccountSetHash(), resolvedData1.getDataAccountSetHash());
    assertEquals(data.getUserAccountSetHash(), resolvedData1.getUserAccountSetHash());
    System.out.println("------Assert OK ------");
}