Examples with TransactionBatchResultHandle com.jd.blockchain.service.TransactionBatchResultHandle used on opensource projects

Example 1 with TransactionBatchResultHandle

use of com.jd.blockchain.service.TransactionBatchResultHandle in project jdchain-core by blockchain-jd-com.

the class ContractInvokingTest method testReadNewWritting.

// @Test
public void testReadNewWritting() {
    // 初始化账本到指定的存储库；
    HashDigest ledgerHash = initLedger(storage, parti0, parti1, parti2, parti3);
    // 重新加载账本；
    LedgerManager ledgerManager = new LedgerManager();
    LedgerRepository ledgerRepo = ledgerManager.register(ledgerHash, storage, LedgerDataStructure.MERKLE_TREE);
    // 创建合约处理器；
    ContractInvokingHandle contractInvokingHandle = new ContractInvokingHandle();
    // 创建和加载合约实例；
    BlockchainKeypair contractKey = BlockchainKeyGenerator.getInstance().generate();
    Bytes contractAddress = contractKey.getAddress();
    TxTestContractImpl contractInstance = new TxTestContractImpl();
    contractInvokingHandle.setup(contractAddress, TxTestContract.class, contractInstance);
    // 注册合约处理器；
    DefaultOperationHandleRegisteration opReg = new DefaultOperationHandleRegisteration();
    opReg.registerHandle(contractInvokingHandle);
    // 发布指定地址合约
    deploy(ledgerRepo, ledgerManager, opReg, ledgerHash, contractKey);
    // 创建新区块的交易处理器；
    LedgerBlock preBlock = ledgerRepo.getLatestBlock();
    LedgerDataSet previousBlockDataset = ledgerRepo.getLedgerDataSet(preBlock);
    // 加载合约
    LedgerEditor newBlockEditor = ledgerRepo.createNextBlock();
    TransactionBatchProcessor txbatchProcessor = new TransactionBatchProcessor(getSecurityManager(), newBlockEditor, ledgerRepo, opReg);
    String key = TxTestContractImpl.KEY;
    String value = "VAL";
    CryptoSetting cryptoSetting = ledgerRepo.getAdminInfo().getSettings().getCryptoSetting();
    TxBuilder txBuilder = new TxBuilder(ledgerHash, cryptoSetting.getHashAlgorithm());
    BlockchainKeypair kpDataAccount = BlockchainKeyGenerator.getInstance().generate();
    contractInstance.setDataAddress(kpDataAccount.getAddress());
    txBuilder.dataAccounts().register(kpDataAccount.getIdentity());
    TransactionRequestBuilder txReqBuilder1 = txBuilder.prepareRequest();
    txReqBuilder1.signAsEndpoint(parti0);
    txReqBuilder1.signAsNode(parti0);
    TransactionRequest txReq1 = txReqBuilder1.buildRequest();
    // 构建基于接口调用合约的交易请求，用于测试合约调用；
    txBuilder = new TxBuilder(ledgerHash, cryptoSetting.getHashAlgorithm());
    TxTestContract contractProxy = txBuilder.contract(contractAddress, TxTestContract.class);
    BooleanValueHolder readableHolder = decode(contractProxy.testReadable());
    TransactionRequestBuilder txReqBuilder2 = txBuilder.prepareRequest();
    txReqBuilder2.signAsEndpoint(parti0);
    txReqBuilder2.signAsNode(parti0);
    TransactionRequest txReq2 = txReqBuilder2.buildRequest();
    TransactionResponse resp1 = txbatchProcessor.schedule(txReq1);
    TransactionResponse resp2 = txbatchProcessor.schedule(txReq2);
    // 提交区块；
    TransactionBatchResultHandle txResultHandle = txbatchProcessor.prepare();
    txResultHandle.commit();
    BytesValue latestValue = ledgerRepo.getDataAccountSet().getAccount(kpDataAccount.getAddress()).getDataset().getValue(key, -1);
    System.out.printf("latest value=[%s] %s \r\n", latestValue.getType(), latestValue.getBytes().toUTF8String());
    boolean readable = readableHolder.get();
    assertTrue(readable);
    LedgerBlock latestBlock = ledgerRepo.getLatestBlock();
    assertEquals(preBlock.getHeight() + 1, latestBlock.getHeight());
    assertEquals(resp1.getBlockHeight(), latestBlock.getHeight());
    assertEquals(resp1.getBlockHash(), latestBlock.getHash());
}

Example 2 with TransactionBatchResultHandle

use of com.jd.blockchain.service.TransactionBatchResultHandle in project jdchain-core by blockchain-jd-com.

the class ContractInvokingTest method deploy.

private void deploy(LedgerRepository ledgerRepo, LedgerManager ledgerManager, DefaultOperationHandleRegisteration opReg, HashDigest ledgerHash, BlockchainKeypair contractKey) {
    // 创建新区块的交易处理器；
    LedgerBlock preBlock = ledgerRepo.getLatestBlock();
    LedgerDataSet previousBlockDataset = ledgerRepo.getLedgerDataSet(preBlock);
    // 加载合约
    LedgerEditor newBlockEditor = ledgerRepo.createNextBlock();
    LedgerSecurityManager securityManager = getSecurityManager();
    TransactionBatchProcessor txbatchProcessor = new TransactionBatchProcessor(securityManager, newBlockEditor, ledgerRepo, opReg);
    // 构建基于接口调用合约的交易请求，用于测试合约调用；
    CryptoSetting cryptoSetting = ledgerRepo.getAdminInfo().getSettings().getCryptoSetting();
    TxBuilder txBuilder = new TxBuilder(ledgerHash, cryptoSetting.getHashAlgorithm());
    txBuilder.contracts().deploy(contractKey.getIdentity(), chainCode());
    TransactionRequestBuilder txReqBuilder = txBuilder.prepareRequest();
    txReqBuilder.signAsEndpoint(parti0);
    txReqBuilder.signAsNode(parti0);
    TransactionRequest txReq = txReqBuilder.buildRequest();
    TransactionResponse resp = txbatchProcessor.schedule(txReq);
    OperationResult[] opResults = resp.getOperationResults();
    assertNull(opResults);
    // 提交区块；
    TransactionBatchResultHandle txResultHandle = txbatchProcessor.prepare();
    txResultHandle.commit();
}

Example 3 with TransactionBatchResultHandle

use of com.jd.blockchain.service.TransactionBatchResultHandle in project jdchain-core by blockchain-jd-com.

the class ContractInvokingTest method registerDataAccount.

private void registerDataAccount(LedgerRepository ledgerRepo, LedgerManager ledgerManager, DefaultOperationHandleRegisteration opReg, HashDigest ledgerHash, BlockchainKeypair kpDataAccount) {
    LedgerBlock preBlock = ledgerRepo.getLatestBlock();
    LedgerDataSet previousBlockDataset = ledgerRepo.getLedgerDataSet(preBlock);
    // 加载合约
    LedgerEditor newBlockEditor = ledgerRepo.createNextBlock();
    TransactionBatchProcessor txbatchProcessor = new TransactionBatchProcessor(getSecurityManager(), newBlockEditor, ledgerRepo, opReg);
    // 注册数据账户；
    CryptoSetting cryptoSetting = ledgerRepo.getAdminInfo().getSettings().getCryptoSetting();
    TxBuilder txBuilder = new TxBuilder(ledgerHash, cryptoSetting.getHashAlgorithm());
    txBuilder.dataAccounts().register(kpDataAccount.getIdentity());
    TransactionRequestBuilder txReqBuilder1 = txBuilder.prepareRequest();
    txReqBuilder1.signAsEndpoint(parti0);
    txReqBuilder1.signAsNode(parti0);
    TransactionRequest txReq = txReqBuilder1.buildRequest();
    TransactionResponse resp = txbatchProcessor.schedule(txReq);
    TransactionBatchResultHandle txResultHandle = txbatchProcessor.prepare();
    txResultHandle.commit();
    assertNotNull(resp.getBlockHash());
    assertEquals(TransactionState.SUCCESS, resp.getExecutionState());
    assertEquals(preBlock.getHeight() + 1, resp.getBlockHeight());
}

Example 4 with TransactionBatchResultHandle

use of com.jd.blockchain.service.TransactionBatchResultHandle in project jdchain-core by blockchain-jd-com.

the class ManagementController method checkLedgerDiff.

private WebResponse checkLedgerDiff(HashDigest ledgerHash, LedgerRepository ledgerRepository, LedgerBlock ledgerLatestBlock, ServiceEndpoint endpoint) {
    LOGGER.info("check ledger diff from {}:{}:{}", endpoint.getHost(), endpoint.getPort(), endpoint.isSecure());
    long localLatestBlockHeight = ledgerLatestBlock.getHeight();
    HashDigest localLatestBlockHash = ledgerLatestBlock.getHash();
    TransactionBatchResultHandle handle = null;
    try (ServiceConnection httpConnection = ServiceConnectionManager.connect(endpoint)) {
        HttpBlockchainBrowserService queryService = HttpServiceAgent.createService(HttpBlockchainBrowserService.class, httpConnection, null);
        // 激活新节点时，远端管理节点最新区块高度
        long remoteLatestBlockHeight = queryService.getLedger(ledgerHash).getLatestBlockHeight();
        if ((localLatestBlockHeight <= remoteLatestBlockHeight)) {
            // 检查本节点与拉取节点相同高度的区块，哈希是否一致,不一致说明其中一个节点的数据库被污染了
            HashDigest remoteBlockHash = queryService.getBlock(ledgerHash, localLatestBlockHeight).getHash();
            if (!(localLatestBlockHash.toBase58().equals(remoteBlockHash.toBase58()))) {
                throw new IllegalStateException("checkLedgerDiff, ledger database is inconsistent, please check ledger database!");
            }
            // 本节点与拉取节点高度一致，不需要进行交易重放
            if (localLatestBlockHeight == remoteLatestBlockHeight) {
                return WebResponse.createSuccessResult(null);
            }
        } else {
            throw new IllegalStateException("checkLedgerDiff, local latest block height > remote node latest block height!");
        }
        OperationHandleRegisteration opReg = new DefaultOperationHandleRegisteration();
        // 对差异进行交易重放
        for (int height = (int) localLatestBlockHeight + 1; height <= remoteLatestBlockHeight; height++) {
            TransactionBatchProcessor txbatchProcessor = new TransactionBatchProcessor(ledgerRepository, opReg);
            // transactions replay
            try {
                HashDigest pullBlockHash = queryService.getBlock(ledgerHash, height).getHash();
                long pullBlockTime = queryService.getBlock(ledgerHash, height).getTimestamp();
                // 获取区块内的增量交易
                List<LedgerTransaction> addition_transactions = getAdditionalTransactions(queryService, ledgerHash, height);
                try {
                    for (LedgerTransaction ledgerTransaction : addition_transactions) {
                        txbatchProcessor.schedule(ledgerTransaction.getRequest());
                    }
                } catch (BlockRollbackException e) {
                    txbatchProcessor.cancel(LEDGER_ERROR);
                    continue;
                }
                LedgerEditor.TIMESTAMP_HOLDER.set(pullBlockTime);
                handle = txbatchProcessor.prepare();
                if (!(handle.getBlock().getHash().toBase58().equals(pullBlockHash.toBase58()))) {
                    LOGGER.error("checkLedgerDiff, transactions replay result is inconsistent at height {}", height);
                    throw new IllegalStateException("checkLedgerDiff, transactions replay, block hash result is inconsistent!");
                }
                handle.commit();
            } catch (Exception e) {
                handle.cancel(LEDGER_ERROR);
                throw new IllegalStateException("checkLedgerDiff, transactions replay failed!", e);
            }
        }
    } catch (Exception e) {
        LOGGER.error("checkLedgerDiff error!", e);
        return WebResponse.createFailureResult(-1, "checkLedgerDiff error!" + e);
    }
    return WebResponse.createSuccessResult(null);
}

Example 5 with TransactionBatchResultHandle

use of com.jd.blockchain.service.TransactionBatchResultHandle in project jdchain-core by blockchain-jd-com.

the class BlockSyncService method sync.

private void sync(HttpBlockchainBrowserService queryService, HashDigest ledger, LedgerBlock block) {
    if (block == null) {
        throw new IllegalStateException("sync block is null");
    }
    OperationHandleRegisteration opReg = new DefaultOperationHandleRegisteration();
    TransactionBatchProcessor batchProcessor = new TransactionBatchProcessor(repository, opReg);
    List<LedgerTransaction> transactions = getAdditionalTransactions(queryService, ledger, block.getHeight());
    try {
        for (LedgerTransaction ledgerTransaction : transactions) {
            batchProcessor.schedule(ledgerTransaction.getRequest());
        }
    } catch (BlockRollbackException e) {
        batchProcessor.cancel(LEDGER_ERROR);
        throw e;
    }
    LedgerEditor.TIMESTAMP_HOLDER.set(block.getTimestamp());
    TransactionBatchResultHandle handle = batchProcessor.prepare();
    try {
        if (!(handle.getBlock().getHash().toBase58().equals(block.getHash().toBase58()))) {
            throw new IllegalStateException("sync block hash result is inconsistent!");
        }
        if (handle.getBlock().getHeight() != block.getHeight()) {
            throw new IllegalStateException("sync block height is inconsistent!");
        }
        handle.commit();
    } catch (Exception e) {
        handle.cancel(TransactionState.SYSTEM_ERROR);
        throw e;
    }
    LOGGER.debug("sync block at height {}", block.getHeight());
}