sample added

Author: hendrikebbers

hedera-spring-sample/pom.xml

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>com.open-elements.hedera</groupId>
+    <artifactId>hedera-enterprise</artifactId>
+    <version>0.3.0-SNAPSHOT</version>
+    <relativePath>../pom.xml</relativePath>
+  </parent>
+
+  <artifactId>hedera-spring-sample</artifactId>
+
+  <name>Hedera Enterprise Spring Sample</name>
+  <description>Sample for Hedera in Spring</description>
+  <url>https://github.com/OpenElements/hedera-enterprise</url>
+
+
+  <dependencies>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter</artifactId>
+      <version>3.3.0</version>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-web</artifactId>
+      <version>3.3.0</version>
+    </dependency>
+  <dependency>
+    <groupId>${project.groupId}</groupId>
+    <artifactId>hedera-spring</artifactId>
+    <version>${project.version}</version>
+  </dependency>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-okhttp</artifactId>
+      <version>1.64.0</version>
+    </dependency>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-inprocess</artifactId>
+      <version>1.64.0</version>
+    </dependency>
+</dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-deploy-plugin</artifactId>
+        <configuration>
+          <skip>true</skip>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.jreleaser</groupId>
+        <artifactId>jreleaser-maven-plugin</artifactId>
+        <configuration>
+          <skip>true</skip>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

hedera-spring-sample/src/main/java/com/openelements/hedera/spring/sample/Application.java

@@ -0,0 +1,14 @@
+package com.openelements.hedera.spring.sample;
+
+import com.openelements.hedera.spring.EnableHedera;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@EnableHedera
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+}

hedera-spring-sample/src/main/java/com/openelements/hedera/spring/sample/HederaEndpoint.java

@@ -0,0 +1,29 @@
+package com.openelements.hedera.spring.sample;
+
+import com.openelements.hedera.base.protocol.AccountBalanceRequest;
+import com.openelements.hedera.base.protocol.AccountBalanceResponse;
+import com.openelements.hedera.base.protocol.ProtocolLayerClient;
+import java.util.Objects;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HederaEndpoint {
+
+    private final ProtocolLayerClient client;
+
+    public HederaEndpoint(final ProtocolLayerClient client) {
+        this.client = Objects.requireNonNull(client);
+    }
+
+    @GetMapping("/balance")
+    public String getBalance() {
+        try {
+            final AccountBalanceRequest request = AccountBalanceRequest.of("0.0.100");
+            final AccountBalanceResponse response = client.executeAccountBalanceQuery(request);
+            return response.hbars().toString();
+        } catch (final Exception e) {
+            throw new RuntimeException("Error in Hedera call", e);
+        }
+    }
+}

hedera-spring-sample/src/main/resources/application.properties

@@ -0,0 +1,8 @@
+spring.config.import=optional:file:.env[.properties]
+
+spring.hedera.accountId=${HEDERA_ACCOUNT_ID:0.0.123}
+spring.hedera.privateKey=${HEDERA_PRIVATE_KEY}
+spring.hedera.network.name=${HEDERA_NETWORK:testnet}
+
+logging.level.com.openelements=DEBUG
+logging.pattern.console=%d{HH:mm:ss.SSS} %logger{36} - %msg%n

pom.xml

@@ -43,6 +43,7 @@
     <module>hedera-base</module>
     <module>hedera-spring</module>
     <module>hedera-microprofile</module>
+    <module>hedera-spring-sample</module>
   </modules>
 
   <build>