| @@ -359,33 +359,105 @@ public class BftsmartNodeServer extends DefaultRecoverable implements NodeServer | |||
| * Used by consensus write phase, pre compute new block hash | |||
| * | |||
| */ | |||
| // public BatchAppResultImpl preComputeAppHash(byte[][] commands) { | |||
| // String batchId = messageHandle.beginBatch(realmName); | |||
| // List<AsyncFuture<byte[]>> asyncFutureLinkedList = new ArrayList<>(commands.length); | |||
| // List<byte[]> responseLinkedList = new ArrayList<>(); | |||
| // try { | |||
| // int msgId = 0; | |||
| // for (byte[] txContent : commands) { | |||
| // AsyncFuture<byte[]> asyncFuture = messageHandle.processOrdered(msgId++, txContent, realmName, batchId); | |||
| // asyncFutureLinkedList.add(asyncFuture); | |||
| // } | |||
| // StateSnapshot stateSnapshot = messageHandle.completeBatch(realmName, batchId); | |||
| // byte[] blockHashBytes = stateSnapshot.getSnapshot(); | |||
| // | |||
| // for (int i = 0; i< asyncFutureLinkedList.size(); i++) { | |||
| // responseLinkedList.add(asyncFutureLinkedList.get(i).get()); | |||
| // } | |||
| // | |||
| // | |||
| // return new BatchAppResultImpl(responseLinkedList, blockHashBytes, batchId); | |||
| // | |||
| // } catch (Exception e) { | |||
| // // todo 需要处理应答码 404 | |||
| // LOGGER.error("Error occurred while processing ordered messages! --" + e.getMessage(), e); | |||
| // messageHandle.rollbackBatch(realmName, batchId, TransactionState.IGNORED_BY_CONSENSUS_PHASE_PRECOMPUTE_ROLLBACK.CODE); | |||
| // } | |||
| // | |||
| // return null; | |||
| // } | |||
| /** | |||
| * Used by consensus write phase, pre compute new block hash | |||
| */ | |||
| public BatchAppResultImpl preComputeAppHash(byte[][] commands) { | |||
| String batchId = messageHandle.beginBatch(realmName); | |||
| List<AsyncFuture<byte[]>> asyncFutureLinkedList = new ArrayList<>(commands.length); | |||
| List<byte[]> responseLinkedList = new ArrayList<>(); | |||
| BatchAppResultImpl result; | |||
| try { | |||
| int msgId = 0; | |||
| for (byte[] txContent : commands) { | |||
| AsyncFuture<byte[]> asyncFuture = messageHandle.processOrdered(msgId++, txContent, realmName, batchId); | |||
| asyncFutureLinkedList.add(asyncFuture); | |||
| } | |||
| StateSnapshot stateSnapshot = messageHandle.completeBatch(realmName, batchId); | |||
| byte[] blockHashBytes = stateSnapshot.getSnapshot(); | |||
| for (int i = 0; i< asyncFutureLinkedList.size(); i++) { | |||
| responseLinkedList.add(asyncFutureLinkedList.get(i).get()); | |||
| boolean isOK = true; | |||
| for (int i = 0; i < commands.length; i++) { | |||
| byte[] txContent = commands[i]; | |||
| try { | |||
| AsyncFuture<byte[]> asyncFuture = messageHandle.processOrdered(msgId++, txContent, realmName, batchId); | |||
| asyncFutureLinkedList.add(asyncFuture); | |||
| } catch (BlockRollbackException e) { | |||
| LOGGER.error("Error occurred while processing ordered messages! --" + e.getMessage(), e); | |||
| isOK = false; | |||
| break; | |||
| } | |||
| } | |||
| if (isOK) { | |||
| StateSnapshot stateSnapshot = messageHandle.completeBatch(realmName, batchId); | |||
| byte[] blockHashBytes = stateSnapshot.getSnapshot(); | |||
| for (int i = 0; i < asyncFutureLinkedList.size(); i++) { | |||
| responseLinkedList.add(asyncFutureLinkedList.get(i).get()); | |||
| } | |||
| result = new BatchAppResultImpl(responseLinkedList, blockHashBytes, batchId); | |||
| result.setErrorCode((byte) 0); | |||
| return result; | |||
| } else { | |||
| for (int i = 0; i < commands.length; i++) { | |||
| responseLinkedList.add(createAppResponse(commands[i])); | |||
| } | |||
| Random random = new Random(); | |||
| byte[] rand = new byte[4]; | |||
| random.nextBytes(rand); | |||
| return new BatchAppResultImpl(responseLinkedList, blockHashBytes, batchId); | |||
| result = new BatchAppResultImpl(responseLinkedList, rand, batchId); | |||
| result.setErrorCode((byte) 1); | |||
| return result; | |||
| } | |||
| } catch (Exception e) { | |||
| // todo 需要处理应答码 404 | |||
| LOGGER.error("Error occurred while processing ordered messages! --" + e.getMessage(), e); | |||
| messageHandle.rollbackBatch(realmName, batchId, TransactionState.IGNORED_BY_CONSENSUS_PHASE_PRECOMPUTE_ROLLBACK.CODE); | |||
| LOGGER.error("Error occurred while genearte batch app result! --" + e.getMessage(), e); | |||
| throw e; | |||
| } | |||
| } | |||
| return null; | |||
| public byte[] createAppResponse(byte[] command) { | |||
| TransactionRequest txRequest = BinaryProtocol.decode(command); | |||
| TxResponseMessage resp = new TxResponseMessage(txRequest.getTransactionContent().getHash()); | |||
| resp.setExecutionState(TransactionState.IGNORED_BY_BLOCK_FULL_ROLLBACK); | |||
| return BinaryProtocol.encode(resp, TransactionResponse.class); | |||
| } | |||
| /** | |||
| @@ -5,15 +5,26 @@ import com.jd.blockchain.gateway.PeerService; | |||
| import com.jd.blockchain.ledger.ContractCodeDeployOperation; | |||
| import com.jd.blockchain.ledger.Operation; | |||
| import com.jd.blockchain.ledger.TransactionRequest; | |||
| import org.apache.commons.io.FileUtils; | |||
| import org.springframework.beans.factory.annotation.Autowired; | |||
| import org.springframework.stereotype.Service; | |||
| import org.springframework.util.ResourceUtils; | |||
| import java.io.File; | |||
| import java.net.URL; | |||
| @Service | |||
| public class GatewayInterceptServiceHandler implements GatewayInterceptService { | |||
| private static String contractsPath; | |||
| @Autowired | |||
| private PeerService peerService; | |||
| static { | |||
| contractsPath = jarRootDir(); | |||
| } | |||
| @Override | |||
| public void intercept(TransactionRequest txRequest) { | |||
| // 当前仅处理合约发布的请求 | |||
| @@ -29,7 +40,34 @@ public class GatewayInterceptServiceHandler implements GatewayInterceptService { | |||
| } | |||
| private void contractCheck(final ContractCodeDeployOperation contractOP) { | |||
| // 校验chainCode | |||
| ContractJarUtils.verify(contractOP.getChainCode()); | |||
| } | |||
| private static String jarRootDir() { | |||
| try { | |||
| URL url = GatewayInterceptServiceHandler.class.getProtectionDomain().getCodeSource().getLocation(); | |||
| String currPath = java.net.URLDecoder.decode(url.getPath(), "UTF-8"); | |||
| if (currPath.contains("!/")) { | |||
| currPath = currPath.substring(5, currPath.indexOf("!/")); | |||
| } | |||
| if (currPath.endsWith(".jar")) { | |||
| currPath = currPath.substring(0, currPath.lastIndexOf("/") + 1); | |||
| } | |||
| File file = new File(currPath); | |||
| String homeDir = file.getParent(); | |||
| String jarRootPath = homeDir + File.separator + "contracts"; | |||
| FileUtils.forceMkdir(new File(jarRootPath)); | |||
| return jarRootPath; | |||
| } catch (Exception e) { | |||
| throw new IllegalStateException(e); | |||
| } | |||
| } | |||
| } | |||
| @@ -110,36 +110,46 @@ public class ContractJarUtils { | |||
| return dotClassName; | |||
| } | |||
| public static void verify(byte[] chainCode) { | |||
| public static void verify(String contractPath, byte[] chainCode) { | |||
| if (chainCode == null || chainCode.length == 0) { | |||
| throw new IllegalStateException("Contract's chaincode is empty !!!"); | |||
| } | |||
| // 首先生成合约文件 | |||
| File jarFile = newJarFile(); | |||
| File jarFile = newJarTempFile(); | |||
| try { | |||
| FileUtils.writeByteArrayToFile(jarFile, chainCode); | |||
| // 校验合约文件 | |||
| verify(jarFile); | |||
| verify(contractPath, jarFile); | |||
| } catch (Exception e) { | |||
| throw new IllegalStateException(e); | |||
| } finally { | |||
| // 删除文件 | |||
| try { | |||
| FileUtils.forceDelete(jarFile); | |||
| jarFile.deleteOnExit(); | |||
| } catch (Exception e) { | |||
| throw new IllegalStateException(e); | |||
| // DO NOTHING | |||
| } | |||
| } | |||
| } | |||
| private static void verify(File jarFile) throws Exception { | |||
| public static void verify(byte[] chainCode) { | |||
| verify(null, chainCode); | |||
| } | |||
| private static void verify(String contractPath, File jarFile) throws Exception { | |||
| // 首先判断jarFile中是否含有META-INF/JDCHAIN.TXT,并将其读出 | |||
| URL jarUrl = new URL("jar:file:" + jarFile.getPath() + "!/" + CONTRACT_MF); | |||
| InputStream inputStream = jarUrl.openStream(); | |||
| if (inputStream == null) { | |||
| throw new IllegalStateException(CONTRACT_MF + " IS NULL !!!"); | |||
| } | |||
| byte[] bytes = IOUtils.toByteArray(inputStream); | |||
| byte[] bytes; | |||
| try { | |||
| bytes = IOUtils.toByteArray(inputStream); | |||
| } finally { | |||
| inputStream.close(); | |||
| } | |||
| if (bytes == null || bytes.length == 0) { | |||
| throw new IllegalStateException(CONTRACT_MF + " IS Illegal !!!"); | |||
| } | |||
| @@ -147,20 +157,25 @@ public class ContractJarUtils { | |||
| String txt = new String(bytes, StandardCharsets.UTF_8); | |||
| // 生成新的Jar包文件,该文件路径与JarFile基本一致 | |||
| File tempJar = newJarFile(); | |||
| // 复制除JDCHAIN.TXT之外的部分 | |||
| copy(jarFile, tempJar, null, null, CONTRACT_MF); | |||
| // 生成新Jar包对应的Hash内容 | |||
| String verifyTxt = contractMF(FileUtils.readFileToByteArray(tempJar)); | |||
| File tempJar = newJarTempFile(); | |||
| try { | |||
| // 复制除JDCHAIN.TXT之外的部分 | |||
| copy(jarFile, tempJar, null, null, CONTRACT_MF); | |||
| // 删除临时文件 | |||
| FileUtils.forceDelete(tempJar); | |||
| // 生成新Jar包对应的Hash内容 | |||
| String verifyTxt = contractMF(FileUtils.readFileToByteArray(tempJar)); | |||
| // 校验Jar包内容 | |||
| if (!txt.equals(verifyTxt)) { | |||
| throw new IllegalStateException(String.format("Jar [%s] verify Illegal !!!", jarFile.getName())); | |||
| // 校验Jar包内容 | |||
| if (!txt.equals(verifyTxt)) { | |||
| throw new IllegalStateException(String.format("Jar [%s] verify Illegal !!!", jarFile.getName())); | |||
| } | |||
| } finally { | |||
| try { | |||
| // 删除临时文件 | |||
| tempJar.deleteOnExit(); | |||
| } catch (Exception e) { | |||
| // DO NOTHING | |||
| } | |||
| } | |||
| } | |||
| @@ -218,11 +233,30 @@ public class ContractJarUtils { | |||
| } | |||
| } | |||
| private static File newJarFile() { | |||
| return new File("contract-" + | |||
| System.currentTimeMillis() + "-" + | |||
| System.nanoTime() + "-" + | |||
| FILE_RANDOM.nextInt(1024) + | |||
| ".jar"); | |||
| private static File newJarTempFile() { | |||
| try { | |||
| return File.createTempFile("contract-" + | |||
| System.currentTimeMillis() + "-" + | |||
| System.nanoTime() + "-" + | |||
| FILE_RANDOM.nextInt(1024), ".jar"); | |||
| } catch (Exception e) { | |||
| throw new IllegalStateException(e); | |||
| } | |||
| // | |||
| // if (contractPath != null && contractPath.length() > 0) { | |||
| // return new File(contractPath + File.separator + | |||
| // "contract-" + | |||
| // System.currentTimeMillis() + "-" + | |||
| // System.nanoTime() + "-" + | |||
| // FILE_RANDOM.nextInt(1024) + | |||
| // ".jar"); | |||
| // } | |||
| // | |||
| // return new File("contract-" + | |||
| // System.currentTimeMillis() + "-" + | |||
| // System.nanoTime() + "-" + | |||
| // FILE_RANDOM.nextInt(1024) + | |||
| // ".jar"); | |||
| } | |||
| } | |||