Upgrade gRPC version to 1.28.0

Author: vsbogd

example/android/SNetDemo/gradle.properties

@@ -20,5 +20,5 @@ android.enableJetifier=true
 
 # SingularityNet Java SDK dependency versions
 snetSdkJavaVersion=master-SNAPSHOT
-grpcVersion=1.20.0
+grpcVersion=1.28.0
 protobufVersion=3.5.1

example/cli/pom.xml

@@ -15,7 +15,7 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <snet.sdk.java.version>master-SNAPSHOT</snet.sdk.java.version>
     <protobuf.version>3.5.1</protobuf.version>
-    <grpc.version>1.20.0</grpc.version>
+    <grpc.version>1.28.0</grpc.version>
     <slf4j.version>1.7.29</slf4j.version>
   </properties>
 

example/tutorial/pom.xml

@@ -92,7 +92,7 @@
         <configuration>
           <protocArtifact>com.google.protobuf:protoc:3.5.1:exe:${os.detected.classifier}</protocArtifact>
           <pluginId>grpc-java</pluginId>
-          <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.20.0:exe:${os.detected.classifier}</pluginArtifact>
+          <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.28.0:exe:${os.detected.classifier}</pluginArtifact>
           <checkStaleness>true</checkStaleness>
           <protoSourceRoot>${project.build.directory}/proto</protoSourceRoot>
         </configuration>

plugin/gradle/README.md

@@ -7,7 +7,7 @@ Sdk supports Android platfrom version 7.0 or higher (API level 24 or higher).
 It is convenient to add dependencies version into `gradle.properties` file:
 ```
 snetSdkJavaVersion=master-SNAPSHOT
-grpcVersion=1.20.0
+grpcVersion=1.28.0
 protobufVersion=3.5.1
 ```
 

pom.xml

@@ -15,7 +15,7 @@
     <platform-contracts.version>0.3.4</platform-contracts.version>
     <snet-daemon.version>3.0.0</snet-daemon.version>
     <protobuf.version>3.5.1</protobuf.version>
-    <grpc.version>1.20.0</grpc.version>
+    <grpc.version>1.28.0</grpc.version>
     <web3j.version>4.2.0-android</web3j.version>
     <java-sdk-integration-test-env.image>singularitynet/java-sdk-integration-test-env</java-sdk-integration-test-env.image>
     <java-sdk-integration-test-env.version>3.0.0</java-sdk-integration-test-env.version>