├── .gitignore ├── LICENSE ├── README.md ├── init.sh ├── pom.xml └── src └── main └── java ├── Const.java ├── Demo.java └── FabUser.java /.gitignore: -------------------------------------------------------------------------------- 1 | # Compiled class file 2 | *.class 3 | 4 | # Log file 5 | *.log 6 | 7 | # BlueJ files 8 | *.ctxt 9 | 10 | # Mobile Tools for Java (J2ME) 11 | .mtj.tmp/ 12 | 13 | # Package Files # 14 | *.jar 15 | *.war 16 | *.nar 17 | *.ear 18 | *.zip 19 | *.tar.gz 20 | *.rar 21 | 22 | # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml 23 | hs_err_pid* 24 | 25 | .idea/ 26 | *.iml 27 | target/ 28 | upload.sh 29 | 30 | 31 | src/main/resources/crypto-config/ -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # fabric-sdk-demo 2 | [img](https://img.shields.io/github/downloads/newonexd/fabric-sdk-demo/total) 3 | 4 | 5 | Hyperledger Fabric Java SDK 简单调用 6 | 7 | ## 测试环境 8 | * Hyperledger Fabric 2.0.0-beta 9 | * Hyperledger Fabric Java SDK 2.0.0-SNAPSHOT 10 | -------------------------------------------------------------------------------- /init.sh: -------------------------------------------------------------------------------- 1 | #!/bin bash 2 | 3 | # 进入Maven项目的resources文件夹 4 | cd $PWD/src/main/resources/ 5 | 6 | # 删除旧的证书文件(如果没有则自动跳过) 7 | rm -rf ./crypto-config 8 | # 将新的证书文件拷贝过来 9 | cp -r ~/go/src/github.com/hyperledger/fabric-samples/first-network/crypto-config . 10 | 11 | exit 0 -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | fab 8 | demo 9 | 1.0-SNAPSHOT 10 | 11 | 12 | 13 | org.apache.maven.plugins 14 | maven-compiler-plugin 15 | 16 | 8 17 | 8 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | snapshots-repo 26 | https://oss.sonatype.org/content/repositories/snapshots 27 | 28 | false 29 | 30 | 31 | true 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | org.hyperledger.fabric-sdk-java 41 | fabric-sdk-java 42 | 2.0.0-SNAPSHOT 43 | 44 | 45 | 46 | 47 | 48 | -------------------------------------------------------------------------------- /src/main/java/Const.java: -------------------------------------------------------------------------------- 1 | /** 2 | * @author newonexd 3 | * @ClassName Const 4 | * Description 常量信息 5 | * @date 2019-12-28 11:05 6 | * @Version 1.0 7 | */ 8 | public final class Const { 9 | public static String BASE_PATH = Const.class.getClassLoader().getResource("./").getPath(); 10 | public static final String PEER0_ORG1_DOMAIN_NAME = "peer0.org1.example.com"; 11 | 12 | public static final String PEER0_ORG2_DOMAIN_NAME = "peer0.org2.example.com"; 13 | 14 | public static final String PEER0_ORG1_HOST = "grpcs://localhost:7051"; 15 | 16 | public static final String PEER0_ORG2_HOST = "grpcs://localhost:9051"; 17 | 18 | public static final String PEER0_ORG1_TLS_DIR = "crypto-config/peerOrganizations/org1.example.com/tlsca/tlsca.org1.example.com-cert.pem"; 19 | 20 | public static final String PEER0_ORG2_TLS_DIR = "crypto-config/peerOrganizations/org2.example.com/tlsca/tlsca.org2.example.com-cert.pem"; 21 | 22 | public static final String ORDERER_DOMAIN_NAME = "orderer.example.com"; 23 | 24 | public static final String ORDERER_TLS_DIR = "crypto-config/ordererOrganizations/example.com/orderers/orderer.example.com/tls/ca.crt"; 25 | 26 | public static final String ORDERER_HOST = "grpcs://localhost:7050"; 27 | 28 | public static final String CHANNEL_NAME = "mychannel"; 29 | 30 | public static final String CHAINCODE_NAME = "mycc"; 31 | 32 | 33 | public static final String USER_MSP_ID="Org1MSP"; 34 | 35 | public static final String USER_AFFILIATION="org1"; 36 | 37 | public static final String USER_KEY_FILE = "crypto-config/peerOrganizations/org1.example.com/users/Admin@org1.example.com/msp/keystore/priv_sk"; 38 | 39 | public static final String USER_CERT_FILE = "crypto-config/peerOrganizations/org1.example.com/users/Admin@org1.example.com/msp/signcerts/Admin@org1.example.com-cert.pem"; 40 | 41 | } 42 | -------------------------------------------------------------------------------- /src/main/java/Demo.java: -------------------------------------------------------------------------------- 1 | import org.hyperledger.fabric.sdk.*; 2 | import org.hyperledger.fabric.sdk.exception.InvalidArgumentException; 3 | import org.hyperledger.fabric.sdk.exception.ProposalException; 4 | import org.hyperledger.fabric.sdk.security.CryptoSuite; 5 | 6 | import java.io.IOException; 7 | import java.nio.file.Files; 8 | import java.nio.file.Paths; 9 | import java.util.Collection; 10 | import java.util.Properties; 11 | import java.util.concurrent.ExecutionException; 12 | 13 | /** 14 | * @author newonexd 15 | * @ClassName Demo 16 | * Description Fabric java SDK 简单调用 17 | * @date 2019-12-27 15:37 18 | * @Version 1.0 19 | */ 20 | public class Demo { 21 | 22 | public static void main(String[] args) throws Exception { 23 | 24 | //***************************************************** 25 | //*********Hyperledger Fabric客户端初始化配置************ 26 | //***************************************************** 27 | 28 | 29 | //创建默认的加密套件 30 | CryptoSuite suite = CryptoSuite.Factory.getCryptoSuite(); 31 | //Hyperledger Fabric 客户端 32 | HFClient hfClient = HFClient.createNewInstance(); 33 | hfClient.setCryptoSuite(suite); 34 | 35 | //创建一个用户并加载证书与秘钥文件 36 | FabUser fabUser = new FabUser("admin", Const.USER_MSP_ID, Const.USER_KEY_FILE, Const.USER_CERT_FILE); 37 | hfClient.setUserContext(fabUser); 38 | 39 | //创建通道实例 40 | Channel channel = hfClient.newChannel(Const.CHANNEL_NAME); 41 | 42 | 43 | //***************************************************** 44 | //******************配置Peer节点********************* 45 | //***************************************************** 46 | 47 | /** 48 | * 添加peer节点信息，客户端可以向该peer节点发送查询与调用链码的请求 49 | * 需配置peer节点域名，peer节点主机地址+端口号(主机地址需要与Fabric网络中peer节点对应) 50 | * 如果开启TLS的话需配置TLS根证书 51 | */ 52 | Peer peer = hfClient.newPeer( 53 | Const.PEER0_ORG1_DOMAIN_NAME, Const.PEER0_ORG1_HOST, 54 | loadTLSFile(Const.PEER0_ORG1_TLS_DIR, Const.PEER0_ORG1_DOMAIN_NAME)); 55 | Peer peer1 = hfClient.newPeer( 56 | Const.PEER0_ORG2_DOMAIN_NAME, Const.PEER0_ORG2_HOST, 57 | loadTLSFile(Const.PEER0_ORG2_TLS_DIR, Const.PEER0_ORG2_DOMAIN_NAME)); 58 | channel.addPeer(peer1); 59 | channel.addPeer(peer); 60 | 61 | 62 | //***************************************************** 63 | //******************配置Orderer节点********************* 64 | //***************************************************** 65 | 66 | /** 67 | * 添加orderer节点信息，客户端接受到peer节点的背书响应后发送到该orderer节点 68 | * 需配置orderer节点域名，orderer节点主机地址+端口号(主机地址需要与Fabric网络中orderer节点对应) 69 | * 如果开启TLS的话需配置TLS根证书 70 | */ 71 | Orderer orderer = hfClient.newOrderer( 72 | Const.ORDERER_DOMAIN_NAME, Const.ORDERER_HOST, 73 | loadTLSFile(Const.ORDERER_TLS_DIR, Const.ORDERER_DOMAIN_NAME)); 74 | channel.addOrderer(orderer); 75 | //通道初始化 76 | channel.initialize(); 77 | //创建与Fabric中链码对应的实例 78 | ChaincodeID chaincodeID = ChaincodeID.newBuilder().setName(Const.CHAINCODE_NAME).build(); 79 | 80 | //***************************************************** 81 | //******************查询或者调用链码功能****************** 82 | //***************************************************** 83 | 84 | String queryFunc = "query"; 85 | String[] queryArgs = {"a"}; 86 | query(hfClient, channel, chaincodeID, queryFunc, queryArgs); 87 | 88 | 89 | String invokeFunc = "invoke"; 90 | String[] invokeArgs = {"a", "b", "10"}; 91 | invoke(hfClient, channel, chaincodeID, invokeFunc, invokeArgs); 92 | 93 | 94 | query(hfClient, channel, chaincodeID, queryFunc, queryArgs); 95 | } 96 | //******************************************************************************************************************************************************************** 97 | 98 | /** 99 | * 为Fabric网络中节点配置TLS根证书 100 | * 101 | * @param rootTLSCert 根证书路径 102 | * @param hostName 节点域名 103 | * @return 104 | * @throws IOException 105 | */ 106 | private static Properties loadTLSFile(String rootTLSCert, String hostName) throws IOException { 107 | Properties properties = new Properties(); 108 | properties.put("pemBytes", Files.readAllBytes(Paths.get(Const.BASE_PATH + rootTLSCert))); 109 | properties.setProperty("sslProvider", "openSSL"); 110 | properties.setProperty("negotiationType", "TLS"); 111 | properties.setProperty("trustServerCertificate", "true"); 112 | properties.setProperty("hostnameOverride", hostName); 113 | return properties; 114 | } 115 | 116 | /** 117 | * @param hfClient Hyperledger Fabric 客户端实例 118 | * @param channel 通道实例 119 | * @param chaincodeID 链码ID 120 | * @param func 查询功能名称 121 | * @param args 查询功能需要的参数 122 | * @throws ProposalException 123 | * @throws InvalidArgumentException 124 | */ 125 | private static void query(HFClient hfClient, Channel channel, ChaincodeID chaincodeID, String func, String[] args) throws ProposalException, InvalidArgumentException { 126 | QueryByChaincodeRequest req = hfClient.newQueryProposalRequest(); 127 | req.setChaincodeID(chaincodeID); 128 | req.setFcn(func); 129 | req.setArgs(args); 130 | // 向peer节点发送调用链码的提案并等待返回查询响应集合 131 | Collection queryResponse = channel.queryByChaincode(req); 132 | for (ProposalResponse pres : queryResponse) { 133 | System.out.println(pres.getProposalResponse().getResponse().getPayload().toStringUtf8()); 134 | } 135 | } 136 | 137 | /** 138 | * @param hfClient Hyperledger Fabric 客户端实例 139 | * @param channel 通道实例 140 | * @param chaincodeID 链码ID 141 | * @param func 查询功能名称 142 | * @param args 查询功能需要的参数 143 | * @throws InvalidArgumentException 144 | * @throws ProposalException 145 | * @throws ExecutionException 146 | * @throws InterruptedException 147 | */ 148 | private static void invoke(HFClient hfClient, Channel channel, ChaincodeID chaincodeID, String func, String[] args) throws InvalidArgumentException, ProposalException, ExecutionException, InterruptedException { 149 | //提交链码交易 150 | TransactionProposalRequest req2 = hfClient.newTransactionProposalRequest(); 151 | req2.setChaincodeID(chaincodeID); 152 | req2.setFcn(func); 153 | req2.setArgs(args); 154 | //配置提案等待时间 155 | req2.setProposalWaitTime(3000); 156 | // 向peer节点发送调用链码的提案并等待返回背书响应集合 157 | Collection rsp2 = channel.sendTransactionProposal(req2); 158 | for (ProposalResponse pres : rsp2) { 159 | System.out.println(pres.getProposalResponse().getResponse().getPayload().toStringUtf8()); 160 | } 161 | //将背书响应集合发送到Orderer节点 162 | BlockEvent.TransactionEvent event = channel.sendTransaction(rsp2).get(); 163 | System.out.println("区块是否有效：" + event.isValid()); 164 | } 165 | } 166 | 167 | -------------------------------------------------------------------------------- /src/main/java/FabUser.java: -------------------------------------------------------------------------------- 1 | import org.hyperledger.fabric.sdk.Enrollment; 2 | import org.hyperledger.fabric.sdk.User; 3 | import org.hyperledger.fabric.sdk.exception.CryptoException; 4 | import org.hyperledger.fabric.sdk.identity.X509Enrollment; 5 | import org.hyperledger.fabric.sdk.security.CryptoPrimitives; 6 | 7 | import java.io.IOException; 8 | import java.nio.file.Files; 9 | import java.nio.file.Paths; 10 | import java.security.PrivateKey; 11 | import java.util.Set; 12 | 13 | /** 14 | * @author newonexd 15 | * @ClassName FabUser 16 | * Description TODO 17 | * @date 2019-12-28 14:36 18 | * @Version 1.0 19 | */ 20 | public class FabUser implements User { 21 | 22 | private FabUser() { 23 | 24 | } 25 | 26 | /** 27 | * 创建用户实例 28 | * @param name 29 | * @param mspId 30 | * @param keyFile 当前用户秘钥文件路径 31 | * @param certFile 当前用户证书文件路径 32 | */ 33 | FabUser(String name, String mspId, String keyFile, String certFile) { 34 | if ((this.enrollment = loadKeyAndCert(keyFile, certFile)) != null) { 35 | this.name = name; 36 | this.mspId = mspId; 37 | } 38 | } 39 | 40 | private String name; 41 | 42 | 43 | public void setAccount(String account) { 44 | this.account = account; 45 | } 46 | 47 | public void setAffiliation(String affiliation) { 48 | this.affiliation = affiliation; 49 | } 50 | 51 | 52 | public void setRoles(Set roles) { 53 | this.roles = roles; 54 | } 55 | 56 | public void setEnrollment(Enrollment enrollment) { 57 | this.enrollment = enrollment; 58 | } 59 | 60 | private String account; 61 | private String affiliation; 62 | private String mspId; 63 | private Set roles; 64 | private Enrollment enrollment; 65 | 66 | @Override 67 | public String getName() { 68 | return this.name; 69 | } 70 | 71 | @Override 72 | public Set getRoles() { 73 | return this.roles; 74 | } 75 | 76 | @Override 77 | public String getAccount() { 78 | return this.account; 79 | } 80 | 81 | @Override 82 | public String getAffiliation() { 83 | return this.affiliation; 84 | } 85 | 86 | @Override 87 | public Enrollment getEnrollment() { 88 | return this.enrollment; 89 | } 90 | 91 | @Override 92 | public String getMspId() { 93 | return this.mspId; 94 | } 95 | 96 | 97 | /** 98 | * 从文件系统中加载秘钥与证书 99 | * @param keyFile 100 | * @param certFile 101 | * @return 102 | */ 103 | private Enrollment loadKeyAndCert(String keyFile, String certFile) { 104 | byte[] keyPem; 105 | try { 106 | keyPem = Files.readAllBytes(Paths.get(Const.BASE_PATH + keyFile)); 107 | byte[] certPem = Files.readAllBytes(Paths.get(Const.BASE_PATH + certFile)); 108 | CryptoPrimitives primitives = new CryptoPrimitives(); 109 | PrivateKey privateKey = primitives.bytesToPrivateKey(keyPem); 110 | return new X509Enrollment(privateKey, new String(certPem)); 111 | } catch (IOException | IllegalAccessException | InstantiationException | CryptoException | ClassNotFoundException e) { 112 | e.printStackTrace(); 113 | } 114 | return null; 115 | } 116 | 117 | } 118 | --------------------------------------------------------------------------------