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

Example 31 with LedgerBlock

use of com.jd.blockchain.ledger.LedgerBlock 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 32 with LedgerBlock

use of com.jd.blockchain.ledger.LedgerBlock 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 33 with LedgerBlock

use of com.jd.blockchain.ledger.LedgerBlock 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 34 with LedgerBlock

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

the class BlockFullRollBackTest method testBlockFullkRollBack.

@Test
public void testBlockFullkRollBack() {
    final MemoryKVStorage STORAGE = new MemoryKVStorage();
    final MemoryKVStorage STORAGE_Mock = Mockito.spy(STORAGE);
    // 初始化账本到指定的存储库；
    ledgerHash = initLedger(STORAGE_Mock, parti0, parti1, parti2, parti3);
    System.out.println("---------- Ledger init OK !!! ----------");
    // 加载账本；
    LedgerManager ledgerManager = new LedgerManager();
    LedgerRepository ledgerRepo = ledgerManager.register(ledgerHash, STORAGE_Mock, LedgerDataStructure.MERKLE_TREE);
    // 构造存储错误，并产生区块回滚
    doThrow(BlockRollbackException.class).when(STORAGE_Mock).set(any(), any(), anyLong());
    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();
    try {
        newBlockEditor.commit();
    } catch (BlockRollbackException e) {
        newBlockEditor.cancel();
    }
    // 验证正确性；
    ledgerManager = new LedgerManager();
    ledgerRepo = ledgerManager.register(ledgerHash, STORAGE_Mock, LedgerDataStructure.MERKLE_TREE);
    LedgerBlock latestBlock = ledgerRepo.getLatestBlock();
    assertEquals(ledgerRepo.getBlockHash(0), latestBlock.getHash());
    assertEquals(0, latestBlock.getHeight());
    LedgerDataSet ledgerDS = ledgerRepo.getLedgerDataSet(latestBlock);
    boolean existUser = ledgerDS.getUserAccountSet().contains(userKeypair.getAddress());
    assertFalse(existUser);
    doCallRealMethod().when(STORAGE_Mock).set(any(), any(), anyLong());
    // 区块正常提交
    // 生成新区块；
    LedgerEditor newBlockEditor1 = ledgerRepo.createNextBlock();
    OperationHandleRegisteration opReg1 = new DefaultOperationHandleRegisteration();
    LedgerSecurityManager securityManager1 = getSecurityManager();
    TransactionBatchProcessor txbatchProcessor1 = new TransactionBatchProcessor(securityManager1, newBlockEditor1, ledgerRepo, opReg1);
    // 注册新用户；
    BlockchainKeypair userKeypair1 = BlockchainKeyGenerator.getInstance().generate();
    TransactionRequest transactionRequest1 = LedgerTestUtils.createTxRequest_UserReg(userKeypair1, ledgerHash, parti0, parti0);
    TransactionResponse txResp1 = txbatchProcessor1.schedule(transactionRequest1);
    LedgerBlock newBlock1 = newBlockEditor1.prepare();
    try {
        newBlockEditor1.commit();
    } catch (BlockRollbackException e) {
        newBlockEditor1.cancel();
    }
    ledgerManager = new LedgerManager();
    ledgerRepo = ledgerManager.register(ledgerHash, STORAGE_Mock, LedgerDataStructure.MERKLE_TREE);
    LedgerBlock latestBlock1 = ledgerRepo.getLatestBlock();
    assertEquals(newBlock1.getHash(), latestBlock1.getHash());
    assertEquals(1, latestBlock1.getHeight());
    LedgerDataSet ledgerDS1 = ledgerRepo.getLedgerDataSet(latestBlock1);
    boolean existUser1 = ledgerDS1.getUserAccountSet().contains(userKeypair1.getAddress());
    assertTrue(existUser1);
}

Example 35 with LedgerBlock

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

the class DataSearchServiceHandler method searchAll.

@Override
public Map<String, Object> searchAll(HashDigest ledgerHash, String keyword) {
    Map<String, Object> data = new HashMap<>();
    data.put("combine", true);
    // 区块
    LedgerBlock block = searchBlock(ledgerHash, keyword);
    if (null != block) {
        data.put("blocks", new LedgerBlock[] { block });
    }
    // 交易
    Transaction tx = searchTransaction(ledgerHash, keyword);
    if (null != tx) {
        data.put("txs", new Transaction[] { tx });
    }
    // 数据账户
    DataAccountInfo dataAccount = searchDataAccount(ledgerHash, keyword);
    if (null != dataAccount) {
        data.put("accounts", new DataAccountInfo[] { dataAccount });
    }
    // 事件账户
    BlockchainIdentity eventAccount = searchEventAccount(ledgerHash, keyword);
    if (null != eventAccount) {
        data.put("event_accounts", new BlockchainIdentity[] { eventAccount });
    }
    // 合约
    ContractInfo contract = searchContractAccount(ledgerHash, keyword);
    if (null != contract) {
        data.put("contracts", new ContractInfo[] { contract });
    }
    // 用户
    UserInfo user = searchUser(ledgerHash, keyword);
    if (null != user) {
        data.put("users", new UserInfo[] { user });
    }
    return data;
}