Examples with LedgerManager com.jd.blockchain.ledger.core.LedgerManager used on opensource projects

Example 6 with LedgerManager

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

the class TransactionBatchProcessorTest method testSingleTxProcess.

@Test
public void testSingleTxProcess() {
    final MemoryKVStorage STORAGE = new MemoryKVStorage();
    // 初始化账本到指定的存储库；
    HashDigest ledgerHash = LedgerTestUtils.initLedger(STORAGE, parti0, parti1, parti2, parti3);
    // 加载账本；
    LedgerManager ledgerManager = new LedgerManager();
    LedgerRepository ledgerRepo = ledgerManager.register(ledgerHash, STORAGE, LedgerDataStructure.MERKLE_TREE);
    // 验证交易总数；创始区块的交易数预期为 1 ——只有一笔账本初始化的交易；
    long totalCount = ledgerRepo.getTransactionSet().getTotalCount();
    assertEquals(1, totalCount);
    // 验证参与方账户的存在；
    LedgerDataSet previousBlockDataset = ledgerRepo.getLedgerDataSet(ledgerRepo.getLatestBlock());
    UserAccount user0 = previousBlockDataset.getUserAccountSet().getAccount(parti0.getAddress());
    assertNotNull(user0);
    boolean partiRegistered = previousBlockDataset.getUserAccountSet().contains(parti0.getAddress());
    assertTrue(partiRegistered);
    // 生成新区块；
    LedgerEditor newBlockEditor = ledgerRepo.createNextBlock();
    OperationHandleRegisteration opReg = new DefaultOperationHandleRegisteration();
    LedgerSecurityManager securityManager = getSecurityManager();
    TransactionBatchProcessor txbatchProcessor = new TransactionBatchProcessor(securityManager, newBlockEditor, ledgerRepo, opReg);
    // 注册新用户；
    BlockchainKeypair userKeypair = BlockchainKeyGenerator.getInstance().generate();
    TransactionRequest transactionRequest = LedgerTestUtils.createTxRequest_UserReg(userKeypair, ledgerHash, parti0, parti0);
    TransactionResponse txResp = txbatchProcessor.schedule(transactionRequest);
    LedgerBlock newBlock = newBlockEditor.prepare();
    newBlockEditor.commit();
    // 验证正确性；
    ledgerManager = new LedgerManager();
    ledgerRepo = ledgerManager.register(ledgerHash, STORAGE, LedgerDataStructure.MERKLE_TREE);
    LedgerBlock latestBlock = ledgerRepo.getLatestBlock();
    assertEquals(newBlock.getHash(), latestBlock.getHash());
    assertEquals(1, newBlock.getHeight());
    // 再次验证交易数；在新增一笔交易之后，交易数预期为 2 ；
    totalCount = ledgerRepo.getTransactionSet().getTotalCount();
    assertEquals(2, totalCount);
    assertEquals(TransactionState.SUCCESS, txResp.getExecutionState());
}

Example 7 with LedgerManager

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

the class TransactionBatchProcessorTest method testTxRollbackByVersionsConflict.

@Test
public void testTxRollbackByVersionsConflict() {
    final MemoryKVStorage STORAGE = new MemoryKVStorage();
    // 初始化账本到指定的存储库；
    HashDigest ledgerHash = LedgerTestUtils.initLedger(STORAGE, parti0, parti1, parti2, parti3);
    // 加载账本；
    LedgerManager ledgerManager = new LedgerManager();
    LedgerRepository ledgerRepo = ledgerManager.register(ledgerHash, STORAGE, LedgerDataStructure.MERKLE_TREE);
    // 验证参与方账户的存在；
    LedgerDataSet previousBlockDataset = ledgerRepo.getLedgerDataSet(ledgerRepo.getLatestBlock());
    UserAccount user0 = previousBlockDataset.getUserAccountSet().getAccount(parti0.getAddress());
    assertNotNull(user0);
    boolean partiRegistered = previousBlockDataset.getUserAccountSet().contains(parti0.getAddress());
    assertTrue(partiRegistered);
    // 注册数据账户；
    // 生成新区块；
    LedgerEditor newBlockEditor = ledgerRepo.createNextBlock();
    OperationHandleRegisteration opReg = new DefaultOperationHandleRegisteration();
    LedgerSecurityManager securityManager = getSecurityManager();
    TransactionBatchProcessor txbatchProcessor = new TransactionBatchProcessor(securityManager, newBlockEditor, ledgerRepo, opReg);
    BlockchainKeypair dataAccountKeypair = BlockchainKeyGenerator.getInstance().generate();
    TransactionRequest transactionRequest1 = LedgerTestUtils.createTxRequest_DataAccountReg_SHA256(dataAccountKeypair, ledgerHash, parti0, parti0);
    TransactionResponse txResp1 = txbatchProcessor.schedule(transactionRequest1);
    LedgerBlock newBlock = newBlockEditor.prepare();
    newBlockEditor.commit();
    assertEquals(TransactionState.SUCCESS, txResp1.getExecutionState());
    DataAccount dataAccount = ledgerRepo.getDataAccountSet().getAccount(dataAccountKeypair.getAddress());
    assertNotNull(dataAccount);
    // 正确写入 KV 数据；
    TransactionRequest txreq1 = LedgerTestUtils.createTxRequest_DataAccountWrite_SHA256(dataAccountKeypair.getAddress(), "K1", "V-1-1", -1, ledgerHash, parti0, parti0);
    TransactionRequest txreq2 = LedgerTestUtils.createTxRequest_DataAccountWrite_SHA256(dataAccountKeypair.getAddress(), "K2", "V-2-1", -1, ledgerHash, parti0, parti0);
    TransactionRequest txreq3 = LedgerTestUtils.createTxRequest_DataAccountWrite_SHA256(dataAccountKeypair.getAddress(), "K3", "V-3-1", -1, ledgerHash, parti0, parti0);
    // 连续写 K1，K1的版本将变为1；
    TransactionRequest txreq4 = LedgerTestUtils.createTxRequest_DataAccountWrite_SHA256(dataAccountKeypair.getAddress(), "K1", "V-1-2", 0, ledgerHash, parti0, parti0);
    newBlockEditor = ledgerRepo.createNextBlock();
    previousBlockDataset = ledgerRepo.getLedgerDataSet(ledgerRepo.getLatestBlock());
    txbatchProcessor = new TransactionBatchProcessor(securityManager, newBlockEditor, ledgerRepo, opReg);
    txbatchProcessor.schedule(txreq1);
    txbatchProcessor.schedule(txreq2);
    txbatchProcessor.schedule(txreq3);
    txbatchProcessor.schedule(txreq4);
    newBlock = newBlockEditor.prepare();
    newBlockEditor.commit();
    BytesValue v1_0 = ledgerRepo.getDataAccountSet().getAccount(dataAccountKeypair.getAddress()).getDataset().getValue("K1", 0);
    BytesValue v1_1 = ledgerRepo.getDataAccountSet().getAccount(dataAccountKeypair.getAddress()).getDataset().getValue("K1", 1);
    BytesValue v2 = ledgerRepo.getDataAccountSet().getAccount(dataAccountKeypair.getAddress()).getDataset().getValue("K2", 0);
    BytesValue v3 = ledgerRepo.getDataAccountSet().getAccount(dataAccountKeypair.getAddress()).getDataset().getValue("K3", 0);
    assertNotNull(v1_0);
    assertNotNull(v1_1);
    assertNotNull(v2);
    assertNotNull(v3);
    assertEquals("V-1-1", v1_0.getBytes().toUTF8String());
    assertEquals("V-1-2", v1_1.getBytes().toUTF8String());
    assertEquals("V-2-1", v2.getBytes().toUTF8String());
    assertEquals("V-3-1", v3.getBytes().toUTF8String());
    // 提交多笔数据写入的交易，包含存在数据版本冲突的交易，验证交易是否正确回滚；
    // 先写一笔正确的交易； k3 的版本将变为 1 ；
    TransactionRequest txreq5 = LedgerTestUtils.createTxRequest_DataAccountWrite_SHA256(dataAccountKeypair.getAddress(), "K3", "V-3-2", 0, ledgerHash, parti0, parti0);
    // 指定冲突的版本号，正确的应该是版本1；
    TransactionRequest txreq6 = LedgerTestUtils.createTxRequest_DataAccountWrite_SHA256(dataAccountKeypair.getAddress(), "K1", "V-1-3", 0, ledgerHash, parti0, parti0);
    newBlockEditor = ledgerRepo.createNextBlock();
    previousBlockDataset = ledgerRepo.getLedgerDataSet(ledgerRepo.getLatestBlock());
    txbatchProcessor = new TransactionBatchProcessor(securityManager, newBlockEditor, ledgerRepo, opReg);
    txbatchProcessor.schedule(txreq5);
    // 预期会产生版本冲突异常； DataVersionConflictionException;
    DataVersionConflictException versionConflictionException = null;
    try {
        txbatchProcessor.schedule(txreq6);
    } catch (DataVersionConflictException e) {
        versionConflictionException = e;
    }
    // assertNotNull(versionConflictionException);
    newBlock = newBlockEditor.prepare();
    newBlockEditor.commit();
    BytesValue v1 = ledgerRepo.getDataAccountSet().getAccount(dataAccountKeypair.getAddress()).getDataset().getValue("K1");
    v3 = ledgerRepo.getDataAccountSet().getAccount(dataAccountKeypair.getAddress()).getDataset().getValue("K3");
    // k1 的版本仍然为1，没有更新；
    long k1_version = ledgerRepo.getDataAccountSet().getAccount(dataAccountKeypair.getAddress()).getDataset().getVersion("K1");
    assertEquals(1, k1_version);
    long k3_version = ledgerRepo.getDataAccountSet().getAccount(dataAccountKeypair.getAddress()).getDataset().getVersion("K3");
    assertEquals(1, k3_version);
    assertNotNull(v1);
    assertNotNull(v3);
    assertEquals("V-1-2", v1.getBytes().toUTF8String());
    assertEquals("V-3-2", v3.getBytes().toUTF8String());
// // 验证正确性；
// ledgerManager = new LedgerManager();
// ledgerRepo = ledgerManager.register(ledgerHash, STORAGE);
// 
// LedgerBlock latestBlock = ledgerRepo.getLatestBlock();
// assertEquals(newBlock.getHash(), latestBlock.getHash());
// assertEquals(1, newBlock.getHeight());
// 
// LedgerTransaction tx1 = ledgerRepo.getTransactionSet()
// .get(transactionRequest1.getTransactionHash());
// 
// assertNotNull(tx1);
// assertEquals(TransactionState.SUCCESS, tx1.getExecutionState());
}

Example 8 with LedgerManager

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

the class LedgerEditorTest method testRollback.

@Test
public void testRollback() {
    BlockchainKeypair parti0 = LedgerTestUtils.createKeyPair("7VeRLBwqTAz8oRazEazeaEfqei46sk2FzvBgyHMUBJvrUEGT", "7VeRUm27GbrsX9HbQSZguChLp24HZYub6s5FJ7FjBht8BmbA");
    BlockchainKeypair parti1 = LedgerTestUtils.createKeyPair("7VeRNJasZp76ThmUkoAajJEduotS4JC6T9wzhz9TDPvjLCRk", "7VeRcBcPkTZ4hFwfcKRgFJWdDesHyysQWkKYC6xfPApbfvwQ");
    BlockchainKeypair parti2 = LedgerTestUtils.createKeyPair("7VeR7uSd7sqxkMp73936MoK7eUSmGPVrsmrwdekiR9fmvdYN", "7VeRUkgMXRegHHWhezv4LdJV6oQuSXo6Ezp2sjC2M5NTUWkz");
    BlockchainKeypair parti3 = LedgerTestUtils.createKeyPair("7VeR8X8fa9th42XSXvnuBLfR4v3dxjXq6jPfvF7nDPB2MTo1", "7VeRdreAev1E8ySsLWX7rRMArh5wHBTmZXKwNUuoVo7cBn6o");
    BlockchainKeypair[] participants = new BlockchainKeypair[] { parti0, parti1, parti2, parti3 };
    final MemoryKVStorage STORAGE = new MemoryKVStorage();
    // 初始化账本到指定的存储库；
    HashDigest ledgerHash = LedgerTestUtils.initLedger(STORAGE, parti0, parti1, parti2, parti3);
    System.out.printf("\r\n------------ LEDGER [%s] -----------\r\n", ledgerHash.toBase58());
    // 验证重新加载的正确性；
    LedgerManager manager = new LedgerManager();
    LedgerRepository repo = manager.register(ledgerHash, STORAGE, LedgerDataStructure.MERKLE_TREE);
    LedgerBlock block = repo.getBlock(ledgerHash);
    assertNotNull(block);
    assertNotNull(block.getHash());
    assertEquals(0, block.getHeight());
    // 创建交易连续交易，验证中间的交易回滚是否影响前后的交易；
    BlockchainKeypair user1 = LedgerTestUtils.createKeyPair("7VeRKf3GFLFcBfzvtzmtyMXEoX2HYGEJ4j7CmHcnRV99W5Dp", "7VeRYQjeAaQY5Po8MMtmGNHA2SniqLXmJaZwBS5K8zTtMAU1");
    TransactionRequest req1 = LedgerTestUtils.createTxRequest_UserReg_SHA256(user1, ledgerHash, 1580315317127L, parti0, parti0);
    // 引发错误的参数：ts=1580315317127;
    // txhash=j5wPGKT5CUzwi8j6VfCWaP2p9YZ6WVWtMANp9HbHWzvhgG
    System.out.printf("\r\n ===||=== transactionRequest1.getTransactionContent().getHash()=[%s]\r\n", req1.getTransactionHash().toBase58());
    BlockchainKeypair user2 = LedgerTestUtils.createKeyPair("7VeRKSnDFveTfLLMsLZDmmhGmgf7i142XHgBFjnrKuS95tY3", "7VeRTiJ2TpQD9aBi29ajnqdntgoVBANmC3oCbHThKb5tzfTJ");
    TransactionRequest req2 = LedgerTestUtils.createTxRequest_MultiOPs_WithNotExistedDataAccount_SHA256(user2, ledgerHash, 202001202020L, parti0, parti0);
    System.out.printf("\r\n ===||=== transactionRequest2.getTransactionContent().getHash()=[%s]\r\n", req2.getTransactionHash().toBase58());
    BlockchainKeypair user3 = LedgerTestUtils.createKeyPair("7VeRDoaSexqLWKkaZyrQwdwSuE9n5nszduMrYBfYRfEkREQV", "7VeRdFtTuLfrzCYJzQ6enQUkGTc83ATgjr8WbmfjBQuTFpHt");
    TransactionRequest req3 = LedgerTestUtils.createTxRequest_UserReg_SHA256(user3, ledgerHash, 202001202020L, parti0, parti0);
    System.out.printf("\r\n ===||=== transactionRequest3.getTransactionContent().getHash()=[%s]\r\n", req3.getTransactionHash().toBase58());
    System.out.println("\r\n--------------- Start new Block 1 --------------\r\n");
    // 创建交易；
    LedgerEditor editor = repo.createNextBlock();
    System.out.println("\r\n--------------- Start new tx1 --------------\r\n");
    LedgerTransactionContext txctx1 = editor.newTransaction(req1);
    ((UserAccountSetEditor) (txctx1.getDataset().getUserAccountSet())).register(user1.getAddress(), user1.getPubKey());
    TransactionResult tx1 = txctx1.commit(TransactionState.SUCCESS);
    HashDigest txHash1 = tx1.getTransactionHash();
    System.out.println("\r\n--------------- Start new tx2 --------------\r\n");
    LedgerTransactionContext txctx2 = editor.newTransaction(req2);
    ((UserAccountSetEditor) (txctx2.getDataset().getUserAccountSet())).register(user2.getAddress(), user2.getPubKey());
    TransactionResult tx2 = txctx2.discardAndCommit(TransactionState.DATA_ACCOUNT_DOES_NOT_EXIST);
    HashDigest txHash2 = tx2.getTransactionHash();
    System.out.println("\r\n--------------- Start new tx3 --------------\r\n");
    LedgerTransactionContext txctx3 = editor.newTransaction(req3);
    ((UserAccountSetEditor) (txctx3.getDataset().getUserAccountSet())).register(user3.getAddress(), user3.getPubKey());
    TransactionResult tx3 = txctx3.commit(TransactionState.SUCCESS);
    HashDigest txHash3 = tx3.getTransactionHash();
    System.out.println("\r\n--------------- Start preparing new block 1 --------------\r\n");
    LedgerBlock block1 = editor.prepare();
    System.out.println("\r\n--------------- Start commiting new block 1 --------------\r\n");
    editor.commit();
    System.out.printf("\r\n--------------- End commiting new block 1 [Storage.Count=%s]--------------\r\n\r\n", STORAGE.getStorageCount());
    assertEquals(1, block1.getHeight());
    // 重新加载和验证；
    manager = new LedgerManager();
    repo = manager.register(ledgerHash, STORAGE, LedgerDataStructure.MERKLE_TREE);
    LedgerTransaction act_tx1 = repo.getTransactionSet().getTransaction(txHash1);
    LedgerTransaction act_tx2 = repo.getTransactionSet().getTransaction(txHash2);
    LedgerTransaction act_tx3 = repo.getTransactionSet().getTransaction(txHash3);
    assertNotNull(act_tx3);
    assertNotNull(act_tx2);
    assertNotNull(act_tx1);
}

Example 9 with LedgerManager

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

the class ContractInvokingTest method testRollbackWhileVersionConfliction.

/**
 * 验证在合约方法中写入数据账户时，如果版本校验失败是否会引发异常而导致回滚；<br>
 * 期待正确的表现是引发异常而回滚当前交易；
 */
@Ignore("需要更新合约")
@Test
public void testRollbackWhileVersionConfliction() {
    // 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);
    // 注册数据账户；
    BlockchainKeypair kpDataAccount = BlockchainKeyGenerator.getInstance().generate();
    contractInstance.setDataAddress(kpDataAccount.getAddress());
    registerDataAccount(ledgerRepo, ledgerManager, opReg, ledgerHash, kpDataAccount);
    // 调用合约
    // 构建基于接口调用合约的交易请求，用于测试合约调用；
    buildBlock(ledgerRepo, ledgerManager, opReg, new TxDefinitor() {

        @Override
        public void buildTx(TxBuilder txBuilder) {
            TxTestContract contractProxy = txBuilder.contract(contractAddress, TxTestContract.class);
            contractProxy.testRollbackWhileVersionConfliction(kpDataAccount.getAddress().toBase58(), "K1", "V1-0", -1);
            contractProxy.testRollbackWhileVersionConfliction(kpDataAccount.getAddress().toBase58(), "K2", "V2-0", -1);
        }
    });
    // 预期数据都能够正常写入；
    DataEntry<String, TypedValue> kv1 = ledgerRepo.getDataAccountSet().getAccount(kpDataAccount.getAddress()).getDataset().getDataEntry("K1", 0);
    DataEntry<String, TypedValue> kv2 = ledgerRepo.getDataAccountSet().getAccount(kpDataAccount.getAddress()).getDataset().getDataEntry("K2", 0);
    assertEquals(0, kv1.getVersion());
    assertEquals(0, kv2.getVersion());
    assertEquals("V1-0", kv1.getValue().stringValue());
    assertEquals("V2-0", kv2.getValue().stringValue());
    // 构建基于接口调用合约的交易请求，用于测试合约调用；
    buildBlock(ledgerRepo, ledgerManager, opReg, new TxDefinitor() {

        @Override
        public void buildTx(TxBuilder txBuilder) {
            TxTestContract contractProxy = txBuilder.contract(contractAddress, TxTestContract.class);
            contractProxy.testRollbackWhileVersionConfliction(kpDataAccount.getAddress().toBase58(), "K1", "V1-1", 0);
            contractProxy.testRollbackWhileVersionConfliction(kpDataAccount.getAddress().toBase58(), "K2", "V2-1", 0);
        }
    });
    // 预期数据都能够正常写入；
    kv1 = ledgerRepo.getDataAccountSet().getAccount(kpDataAccount.getAddress()).getDataset().getDataEntry("K1", 1);
    kv2 = ledgerRepo.getDataAccountSet().getAccount(kpDataAccount.getAddress()).getDataset().getDataEntry("K2", 1);
    assertEquals(1, kv1.getVersion());
    assertEquals(1, kv2.getVersion());
    assertEquals("V1-1", kv1.getValue().stringValue());
    assertEquals("V2-1", kv2.getValue().stringValue());
    // 构建基于接口调用合约的交易请求，用于测试合约调用；
    buildBlock(ledgerRepo, ledgerManager, opReg, new TxDefinitor() {

        @Override
        public void buildTx(TxBuilder txBuilder) {
            TxTestContract contractProxy = txBuilder.contract(contractAddress, TxTestContract.class);
            contractProxy.testRollbackWhileVersionConfliction(kpDataAccount.getAddress().toBase58(), "K1", "V1-2", 1);
            contractProxy.testRollbackWhileVersionConfliction(kpDataAccount.getAddress().toBase58(), "K2", "V2-2", // 预期会回滚；
            0);
        }
    });
    // 预期数据回滚，账本没有发生变更；
    kv1 = ledgerRepo.getDataAccountSet().getAccount(kpDataAccount.getAddress()).getDataset().getDataEntry("K1", 1);
    assertEquals(1, kv1.getVersion());
    assertEquals("V1-1", kv1.getValue().stringValue());
    kv1 = ledgerRepo.getDataAccountSet().getAccount(kpDataAccount.getAddress()).getDataset().getDataEntry("K1", 2);
    assertNull(kv1);
    kv2 = ledgerRepo.getDataAccountSet().getAccount(kpDataAccount.getAddress()).getDataset().getDataEntry("K2", 1);
    assertEquals(1, kv2.getVersion());
}

Example 10 with LedgerManager

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

the class ContractInvokingTest method testNormal.

@Ignore("合约需要更新")
@Test
public void testNormal() {
    // 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();
    TestContract contractInstance = Mockito.mock(TestContract.class);
    final String asset = "AK";
    final long issueAmount = new Random().nextLong();
    when(contractInstance.issue(anyString(), anyLong())).thenReturn(issueAmount);
    // 装载合约；
    contractInvokingHandle.setup(contractAddress, TestContract.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();
    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());
    TestContract contractProxy = txBuilder.contract(contractAddress, TestContract.class);
    // 构造调用合约的交易；
    contractProxy.issue(asset, issueAmount);
    TransactionRequestBuilder txReqBuilder = txBuilder.prepareRequest();
    txReqBuilder.signAsEndpoint(parti0);
    txReqBuilder.signAsNode(parti0);
    TransactionRequest txReq = txReqBuilder.buildRequest();
    TransactionResponse resp = txbatchProcessor.schedule(txReq);
    verify(contractInstance, times(1)).issue(asset, issueAmount);
    OperationResult[] opResults = resp.getOperationResults();
    assertEquals(1, opResults.length);
    assertEquals(0, opResults[0].getIndex());
    byte[] expectedRetnBytes = BinaryProtocol.encode(TypedValue.fromInt64(issueAmount), BytesValue.class);
    byte[] reallyRetnBytes = BinaryProtocol.encode(opResults[0].getResult(), BytesValue.class);
    assertArrayEquals(expectedRetnBytes, reallyRetnBytes);
    // 提交区块；
    TransactionBatchResultHandle txResultHandle = txbatchProcessor.prepare();
    txResultHandle.commit();
    LedgerBlock latestBlock = ledgerRepo.getLatestBlock();
    assertEquals(preBlock.getHeight() + 1, latestBlock.getHeight());
    assertEquals(resp.getBlockHeight(), latestBlock.getHeight());
    assertEquals(resp.getBlockHash(), latestBlock.getHash());
    // 再验证一次结果；
    assertEquals(1, opResults.length);
    assertEquals(0, opResults[0].getIndex());
    reallyRetnBytes = BinaryProtocol.encode(opResults[0].getResult(), BytesValue.class);
    assertArrayEquals(expectedRetnBytes, reallyRetnBytes);
}