Quorum Contract

cloud/src/main/java/edu/prlab/tyler/iotgateway/cloud/services/DocumentService.java

@@ -18,19 +18,19 @@ public class DocumentService {
 
     public Optional<Document> add(MultipartFile file) {
         return Optional.of(Document.builder()
-                        .fileName(file.getOriginalFilename())
-                        .fileType(file.getContentType())
-                        .bytes(getBytes(file))
-                        .build())
-                .map(document->documentRepository.save(document));
+                .fileName(file.getOriginalFilename())
+                .fileType(file.getContentType())
+                .bytes(getBytes(file))
+                .build())
+                .map(document -> documentRepository.save(document));
     }
 
-    public Optional<Document> readFile(Long id){
+    public Optional<Document> readFile(Long id) {
         return documentRepository.findById(id);
     }
 
     private byte[] getBytes(MultipartFile file) {
-        try{
+        try {
             return file.getBytes();
         } catch (IOException e) {
             throw new RuntimeException(e);

cloud/src/main/resources/application.properties

 server.port=8081
-spring.datasource.url=jdbc:h2:mem:testdb
-spring.datasource.driverClassName=org.h2.Driver
-spring.datasource.username=sa
-spring.datasource.password=
-spring.datasource.hikari.data-source-properties.useUnicode=true
-spring.datasource.hikari.data-source-properties.characterEncoding=UTF-8
-spring.h2.console.enabled=true
 spring.jpa.hibernate.ddl-auto=update
 spring.jpa.generate-ddl=true
 

contract/src/main/java/edu/prlab/tyler/iotgateway/contract/common/QuorumContractReference.java

-//package edu.prlab.tyler.iotgateway.contract.common;
-//
-//import lombok.AllArgsConstructor;
-//import lombok.Builder;
-//import lombok.Data;
-//import lombok.NoArgsConstructor;
-//import org.web3j.quorum.Quorum;
-//import org.web3j.tx.ClientTransactionManager;
-//import org.web3j.tx.gas.ContractGasProvider;
-//
-//@Data
-//@Builder
-//@NoArgsConstructor
-//@AllArgsConstructor
-//public class QuorumContractReference {
-//    private Quorum quorum;
-//    private ContractGasProvider provider;
-//    private ClientTransactionManager manager;
-//}
+package edu.prlab.tyler.iotgateway.contract.common;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.web3j.quorum.Quorum;
+import org.web3j.tx.ClientTransactionManager;
+import org.web3j.tx.gas.ContractGasProvider;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class QuorumContractReference {
+    private String address;
+    private Quorum quorum;
+    private ContractGasProvider provider;
+    private ClientTransactionManager manager;
+}

contract/src/main/java/edu/prlab/tyler/iotgateway/contract/common/QuorumContractService.java

-//package edu.prlab.tyler.iotgateway.contract.common;
-//
-//import org.web3j.quorum.Quorum;
-//import org.web3j.tx.ClientTransactionManager;
-//import org.web3j.tx.gas.ContractGasProvider;
-//import org.web3j.tx.gas.DefaultGasProvider;
-//import org.web3j.tx.gas.StaticGasProvider;
-//
-//import java.math.BigInteger;
-//import java.util.Optional;
-//
-//public abstract class QuorumContractService<Data, Contract extends org.web3j.tx.Contract> {
-//    private static final String rpcUrl = "http://localhost:22000";
-//
-//    private static final ContractGasProvider DEFAULT_GAS_PROVIDER = new StaticGasProvider(
-//            BigInteger.ZERO,
-//            DefaultGasProvider.GAS_LIMIT
-//    );
-//
-//    Quorum quorum;
-//    ContractGasProvider provider;
-//    ClientTransactionManager manager;
-//
-//    public QuorumContractService(Quorum quorum, ContractGasProvider provider, ClientTransactionManager manager) {
-//        this.quorum = quorum;
-//        this.provider = provider;
-//        this.manager = manager;
-//    }
-//
-//    //部屬合約
-//
-//    protected Optional<Contract> deploy(QuorumContractReference reference) {
-//        return null;
-//    }
-//
-//    protected Optional<Contract> load() {
-//
-//    }
-//    //載入合約
-//}
+package edu.prlab.tyler.iotgateway.contract.common;
+
+import edu.prlab.tyler.iotgateway.contract.DeviceContract;
+import org.web3j.protocol.http.HttpService;
+import org.web3j.quorum.Quorum;
+import org.web3j.tx.ClientTransactionManager;
+import org.web3j.tx.gas.ContractGasProvider;
+import org.web3j.tx.gas.DefaultGasProvider;
+import org.web3j.tx.gas.StaticGasProvider;
+
+import java.math.BigInteger;
+import java.util.Optional;
+
+public abstract class QuorumContractService<Data, Contract extends org.web3j.tx.Contract> {
+    private static final String rpcUrl = "http://localhost:22000";
+
+    private static final ContractGasProvider DEFAULT_GAS_PROVIDER = new StaticGasProvider(
+            BigInteger.ZERO,
+            DefaultGasProvider.GAS_LIMIT
+    );
+
+    Quorum quorum;
+    ContractGasProvider provider;
+    ClientTransactionManager manager;
+
+    public QuorumContractService(Quorum quorum, ContractGasProvider provider, ClientTransactionManager manager) {
+        this.quorum = quorum;
+        this.provider = provider;
+        this.manager = manager;
+    }
+
+    //部屬合約
+    protected Optional<Contract> deploy() {
+        return Optional.ofNullable(Quorum.build(new HttpService(rpcUrl)))
+                .flatMap(this::buildManagerAndMap)
+                .map(this::deployContract)
+                .filter(QuorumContractUtil::isContractValid);
+    }
+
+    //以帳戶第0個建立TransactionManager
+    protected Optional<QuorumContractReference> buildManagerAndMap(Quorum quorum) {
+        try {
+            return Optional.ofNullable(new ClientTransactionManager(quorum, quorum.ethAccounts().send().getAccounts().get(0)))
+                    .map(this::prepare);
+        } catch (Exception e) {
+            System.out.println("Cannot find quorum manager");
+        }
+        return Optional.empty();
+    }
+
+    //建立合約所需要的參數
+    protected QuorumContractReference prepare(ClientTransactionManager manager) {
+        return QuorumContractReference.builder()
+                .quorum(quorum)
+                .provider(DEFAULT_GAS_PROVIDER)
+                .manager(manager)
+                .build();
+    }
+
+    //部屬合約的子類別實作
+    protected Contract deployContract(QuorumContractReference reference) {
+        return null;
+    }
+
+    //載入合約
+    protected Contract loadContract(QuorumContractReference reference) {
+        return null;
+    }
+
+    //載入該合約資料
+    protected Data loadData(Contract deviceContract) {
+        return null;
+    }
+
+}

contract/src/main/java/edu/prlab/tyler/iotgateway/contract/common/QuorumContractUtil.java

-//package edu.prlab.tyler.iotgateway.contract.common;
-//
-//public class QuorumContractUtil {
-//
-//    //合約呼叫函式
-//    public static
-//    //呼叫
-//
-//    //驗證合約有效性
-//
-//
-//}
+package edu.prlab.tyler.iotgateway.contract.common;
+
+
+import org.web3j.protocol.core.RemoteCall;
+import org.web3j.tx.Contract;
+
+import java.lang.reflect.Method;
+
+public class QuorumContractUtil {
+    private QuorumContractUtil() {
+    }
+
+    //合約呼叫函式
+    public static <Return> Return call(Contract contract, String function, Object... parameters) {
+        try {
+            Class[] classes = new Class[parameters.length];
+            for (int i = 0; i < parameters.length; i++) {
+                classes[i] = parameters[i].getClass();
+            }
+            Method method = contract.getClass().getMethod(function, classes);
+            RemoteCall<Return> remoteCall = (RemoteCall<Return>) method.invoke(contract, parameters);
+            return remoteCall.send();
+        } catch (Exception e) {
+            //do nothing
+            System.out.println("Remote call Cannot find method");
+        }
+        return null;
+    }
+
+    //呼叫
+    public static <Return> Return call(RemoteCall<Return> remoteCall){
+        try {
+            return remoteCall.send();
+        } catch (Exception e) {
+            System.out.println("call error");
+        }
+        return null;
+    }
+
+    //驗證合約有效性
+    public static boolean isContractValid(Contract contract) {
+        return contract != null &&
+                contract.getContractAddress() != null &&
+                !contract.getContractAddress().isEmpty();
+    }
+
+}

contract/src/test/java/edu/prlab/tyler/iotgateway/contract/ContractTester.java

@@ -81,7 +81,7 @@ public class ContractTester {
     @Test
     public void test2Contract() throws Exception {
         Quorum quorum = Quorum.build(new HttpService(rpcUrl));
-        String userAddress = quorum.ethAccounts().send().getAccounts().get(quorum.ethAccounts().send().getAccounts().size() - 1);
+        String userAddress = quorum.ethAccounts().send().getAccounts().get(0);
         Assert.assertNotNull(userAddress);
         ClientTransactionManager manager = new ClientTransactionManager(quorum, userAddress);
 

gateway/build.gradle

@@ -3,6 +3,7 @@ buildscript {
         springBootVersion = '2.1.4.RELEASE'
         mapstructVersion = '1.3.0.Final'
         guavaVersion = '27.1-jre'
+        web3jQuorumVersion = '4.0.6'
     }
     repositories {
         mavenCentral()
@@ -36,6 +37,7 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation "org.mapstruct:mapstruct:${mapstructVersion}"
     implementation "com.google.guava:guava:${guavaVersion}"
+    implementation "org.web3j:quorum:${web3jQuorumVersion}"
     implementation project(":cloud")
 
     compileOnly 'org.projectlombok:lombok'

gateway/build/reports/tests/test/index.html

@@ -38,7 +38,7 @@
 </td>
 <td>
 <div class="infoBox" id="duration">
-<div class="counter">0.718s</div>
+<div class="counter">0.770s</div>
 <p>duration</p>
 </div>
 </td>
@@ -85,7 +85,7 @@
 <td>2</td>
 <td>0</td>
 <td>0</td>
-<td>0.718s</td>
+<td>0.770s</td>
 <td class="success">100%</td>
 </tr>
 </tbody>
@@ -111,7 +111,7 @@
 <td>1</td>
 <td>0</td>
 <td>0</td>
-<td>0.031s</td>
+<td>0.030s</td>
 <td class="success">100%</td>
 </tr>
 <tr>
@@ -120,7 +120,7 @@
 <td>1</td>
 <td>0</td>
 <td>0</td>
-<td>0.687s</td>
+<td>0.740s</td>
 <td class="success">100%</td>
 </tr>
 </tbody>
@@ -134,7 +134,7 @@
 <input id="line-wrapping-toggle" type="checkbox" autocomplete="off"/>
 </label>
 </div>Generated by 
-<a href="http://www.gradle.org">Gradle 4.10.3</a> at 2019/6/10 下午 04:21:19</p>
+<a href="http://www.gradle.org">Gradle 4.10.3</a> at 2019/6/11 下午 02:55:41</p>
 </div>
 </div>
 </body>

gateway/build/reports/tests/test/packages/edu.prlab.tyler.iotgateway.gateway.html

@@ -40,7 +40,7 @@
 </td>
 <td>
 <div class="infoBox" id="duration">
-<div class="counter">0.718s</div>
+<div class="counter">0.770s</div>
 <p>duration</p>
 </div>
 </td>
@@ -83,7 +83,7 @@
 <td>1</td>
 <td>0</td>
 <td>0</td>
-<td>0.031s</td>
+<td>0.030s</td>
 <td class="success">100%</td>
 </tr>
 <tr>
@@ -93,7 +93,7 @@
 <td>1</td>
 <td>0</td>
 <td>0</td>
-<td>0.687s</td>
+<td>0.740s</td>
 <td class="success">100%</td>
 </tr>
 </table>
@@ -106,7 +106,7 @@
 <input id="line-wrapping-toggle" type="checkbox" autocomplete="off"/>
 </label>
 </div>Generated by 
-<a href="http://www.gradle.org">Gradle 4.10.3</a> at 2019/6/10 下午 04:21:19</p>
+<a href="http://www.gradle.org">Gradle 4.10.3</a> at 2019/6/11 下午 02:55:41</p>
 </div>
 </div>
 </body>

gateway/build/tmp/bootJar/MANIFEST.MF

 Manifest-Version: 1.0
 Start-Class: edu.prlab.tyler.iotgateway.gateway.GatewayApplication
-Spring-Boot-Classes: BOOT-INF/classes/
-Spring-Boot-Lib: BOOT-INF/lib/
-Spring-Boot-Version: 2.1.4.RELEASE
 Main-Class: org.springframework.boot.loader.PropertiesLauncher
 

gateway/src/main/java/edu/prlab/tyler/iotgateway/gateway/controllers/GatewayController.java

@@ -46,7 +46,6 @@ public class GatewayController {
                 .orElseGet(() -> ResponseEntity.noContent().build());
     }
 
-
     //透過裝置UDN取得裝置資訊與隱私政策
     @GetMapping("/privacy/{udn}/{account}")
     public ResponseEntity<PrivacyPolicyReportResponse> readPrivacyPolicyReportByDevice(@PathVariable String udn, @PathVariable String account) {
@@ -72,4 +71,4 @@ public class GatewayController {
                 .orElseGet(() -> ResponseEntity.noContent().build());
     }
 
-}
+}
\ No newline at end of file

gateway/src/main/java/edu/prlab/tyler/iotgateway/gateway/model/DeviceContractInfoMessage.java

+package edu.prlab.tyler.iotgateway.gateway.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class DeviceContractInfoMessage {
+    String ownerAddress;
+    String deviceInfo ;
+    String privacyPolicy;
+    String bindAddress;
+}

gateway/src/main/java/edu/prlab/tyler/iotgateway/gateway/model/GatewayContractInfoMessage.java

+package edu.prlab.tyler.iotgateway.gateway.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.math.BigInteger;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class GatewayContractInfoMessage {
+    BigInteger numDevices;
+    Iterable<String> devices;
+}
\ No newline at end of file

gateway/src/main/java/edu/prlab/tyler/iotgateway/gateway/pojo/DeviceContractIndex.java

+package edu.prlab.tyler.iotgateway.gateway.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Entity;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+public class DeviceContractIndex {
+    String address;
+    String udn;
+}

gateway/src/main/java/edu/prlab/tyler/iotgateway/gateway/pojo/GatewayContractIndex.java

+package edu.prlab.tyler.iotgateway.gateway.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import javax.persistence.Entity;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+public class GatewayContractIndex {
+    String address;
+    String account;
+}

gateway/src/main/java/edu/prlab/tyler/iotgateway/gateway/services/DeviceContractService.java

+package edu.prlab.tyler.iotgateway.gateway.services;
+
+import edu.prlab.tyler.iotgateway.contract.DeviceContract;
+import edu.prlab.tyler.iotgateway.contract.common.QuorumContractReference;
+import edu.prlab.tyler.iotgateway.contract.common.QuorumContractService;
+import edu.prlab.tyler.iotgateway.contract.common.QuorumContractUtil;
+import edu.prlab.tyler.iotgateway.gateway.model.DeviceContractInfoMessage;
+import org.web3j.quorum.Quorum;
+import org.web3j.tx.ClientTransactionManager;
+import org.web3j.tx.gas.ContractGasProvider;
+
+public class DeviceContractService extends QuorumContractService<DeviceContractInfoMessage, DeviceContract> {
+
+    public DeviceContractService(Quorum quorum, ContractGasProvider provider, ClientTransactionManager manager) {
+        super(quorum, provider, manager);
+    }
+
+
+
+    @Override
+    protected DeviceContract loadContract(QuorumContractReference reference) {
+        return DeviceContract.load(reference.getAddress(), reference.getQuorum(), reference.getManager(), reference.getProvider());
+    }
+
+    @Override
+    protected DeviceContractInfoMessage loadData(DeviceContract deviceContract) {
+        return DeviceContractInfoMessage.builder()
+                .ownerAddress(QuorumContractUtil.call(deviceContract.owner()))
+                .deviceInfo(QuorumContractUtil.call(deviceContract.deviceInfo()))
+                .privacyPolicy(QuorumContractUtil.call(deviceContract.privacypolicy()))
+                .bindAddress(QuorumContractUtil.call(deviceContract.binded()))
+                .build();
+    }
+
+    @Override
+    protected DeviceContract deployContract(QuorumContractReference reference) {
+        try {
+            return DeviceContract.deploy(reference.getQuorum(), reference.getManager(), reference.getProvider()).send();
+        } catch (Exception e) {
+            System.out.println("Cannot deploy device contract.");
+        }
+        return null;
+    }
+}

gateway/src/main/java/edu/prlab/tyler/iotgateway/gateway/services/GatewayContractService.java

+package edu.prlab.tyler.iotgateway.gateway.services;
+
+import edu.prlab.tyler.iotgateway.contract.GatewayContract;
+import edu.prlab.tyler.iotgateway.contract.common.QuorumContractReference;
+import edu.prlab.tyler.iotgateway.contract.common.QuorumContractService;
+import edu.prlab.tyler.iotgateway.contract.common.QuorumContractUtil;
+import edu.prlab.tyler.iotgateway.gateway.model.GatewayContractInfoMessage;
+import org.web3j.quorum.Quorum;
+import org.web3j.tx.ClientTransactionManager;
+import org.web3j.tx.gas.ContractGasProvider;
+
+import java.math.BigInteger;
+import java.util.stream.IntStream;
+
+public class GatewayContractService extends QuorumContractService<GatewayContractInfoMessage, GatewayContract> {
+
+    public GatewayContractService(Quorum quorum, ContractGasProvider provider, ClientTransactionManager manager) {
+        super(quorum, provider, manager);
+    }
+
+    @Override
+    protected GatewayContract loadContract(QuorumContractReference reference) {
+        return GatewayContract.load(reference.getAddress(), reference.getQuorum(), reference.getManager(), reference.getProvider());
+    }
+
+    @Override
+    protected GatewayContractInfoMessage loadData(GatewayContract gatewayContract) {
+        BigInteger numDevices = QuorumContractUtil.call(gatewayContract.numDevices());
+        return GatewayContractInfoMessage.builder()
+                .numDevices(numDevices)
+                .devices(() -> IntStream.range(0, numDevices.intValue())
+                        .mapToObj(i -> QuorumContractUtil.call(gatewayContract.getDeviceAddress(BigInteger.valueOf(i))))
+                        .iterator())
+                .build();
+    }
+
+    @Override
+    protected GatewayContract deployContract(QuorumContractReference reference) {
+        try {
+            return GatewayContract.deploy(reference.getQuorum(), reference.getManager(), reference.getProvider()).send();
+        } catch (Exception e) {
+            System.out.println("Cannot deploy gateway contract.");
+        }
+        return null;
+    }
+}