Dev/deploy to maven repo

README.md

@@ -0,0 +1,46 @@
+# neo-devpack-java #
+
+Java artifact for developing smart contracts in Java. Artifact has no other 3th party dependencies.
+
+## Usage ##
+
+In your maven pom.xml add dependency.
+
+```xml
+<dependency>
+    <groupId>org.neo</groupId>
+    <artifactId>neo-devpack-java</artifactId>
+    <version>2.3.0</version>
+</dependency>
+```
+You can use any building system. See please [maven.org](https://search.maven.org/artifact/org.neo/neo-devpack-java/2.3.0/jar).
+
+## pom.xml example ##
+
+Whole pom.xml example.
+
+```xml
+<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>
+    <groupId>org.neo.example</groupId>
+    <artifactId>hello-world-smart-contract</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>My first smart contract</name>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.neo</groupId>
+            <artifactId>neo-devpack-java</artifactId>
+            <version>2.3.0</version>
+        </dependency>
+    </dependencies>
+</project>
+```
+
+## Smart contract examples ##
+
+For more Java smart contract examples please take a look at [examples-java](https://github.com/neo-project/examples-java).

pom.xml

@@ -16,7 +16,11 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
-        <maven.compiler.plugin.version>3.6.1</maven.compiler.plugin.version>
+        <maven.compiler.plugin.version>3.8.0</maven.compiler.plugin.version>
+        <maven.javadoc.plugin.version>3.0.1</maven.javadoc.plugin.version>
+        <maven.source.plugin.version>3.0.1</maven.source.plugin.version>
+        <maven.gpg.plugin.version>1.6</maven.gpg.plugin.version>
+        <key.id>8ED566FF</key.id>
     </properties>
 
     <licenses>
@@ -60,6 +64,50 @@
     <build>
         <sourceDirectory>src</sourceDirectory>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>${maven.gpg.plugin.version}</version>
+                <executions>
+                    <execution>
+                        <id>sign-artifacts</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>sign</goal>
+                        </goals>
+                        <configuration>
+                            <keyname>${key.id}</keyname>
+                            <passphraseServerId>${key.id}</passphraseServerId>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>${maven.source.plugin.version}</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>${maven.javadoc.plugin.version}</version>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>${maven.compiler.plugin.version}</version>
@@ -71,4 +119,15 @@
             </plugin>
         </plugins>
     </build>
+
+    <distributionManagement>
+        <snapshotRepository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+    </distributionManagement>
 </project>