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

Example 11 with LedgerRepository

use of com.jd.blockchain.ledger.core.LedgerRepository 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 12 with LedgerRepository

use of com.jd.blockchain.ledger.core.LedgerRepository 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);
}

Example 13 with LedgerRepository

use of com.jd.blockchain.ledger.core.LedgerRepository 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);
}