HelloCorda/build.gradle

import static org.gradle.api.JavaVersion.VERSION_11

plugins {
    id 'org.jetbrains.kotlin.jvm'

    // Include the cordapp-cpb plugin. This automatically includes the cordapp-cpk plugin as well.
    // These extend existing build environment so that CPB and CPK files can be built.
    // This includes a CorDapp DSL that allows the developer to supply metadata for the CorDapp
    // required by Corda.
    id 'net.corda.plugins.cordapp-cpb2'
    id 'net.corda.cordapp.cordapp-configuration'

    id 'org.jetbrains.kotlin.plugin.jpa'

    id 'java'
    id 'maven-publish'

    id 'csde'
}

group 'com.r3.hellocorda'
version '1.0-SNAPSHOT'

def javaVersion = VERSION_11

// The CordApp section.
// This is part of the DSL provided by the corda plugins to define metadata for our CorDapp.
// Each component of the CorDapp would get its own CorDapp section in the build.gradle file for the component’s
// subproject.
// This is required by the corda plugins to build the CorDapp.
cordapp {
    // "targetPlatformVersion" and "minimumPlatformVersion" are intended to specify the preferred
    // and earliest versions of the Corda platform that the CorDapp will run on respectively.
    // Enforced versioning has not implemented yet so we need to pass in a dummy value for now.
    // The platform version will correspond to and be roughly equivalent to the Corda API version.
    targetPlatformVersion platformVersion.toInteger()
    minimumPlatformVersion platformVersion.toInteger()

    // The cordapp section contains either a workflow or contract subsection depending on the type of component.
    // Declares the type and metadata of the CPK (this CPB has one CPK).
    workflow {
        name "ModuleNameHere"
        versionId 1
        vendor "VendorNameHere"
    }
}

// Declare the set of Kotlin compiler options we need to build a CorDapp.
tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).configureEach {
    kotlinOptions {
        allWarningsAsErrors = false

        // Specify the version of Kotlin that we are that we will be developing. 
        languageVersion = '1.7'
        // Specify the Kotlin libraries that code is compatible with
        apiVersion = '1.7'
        // Note that we Need to use a version of Kotlin that will be compatible with the Corda API.
        // Currently that is developed in Kotlin 1.7 so picking the same version ensures compatibility with that.

        // Specify the version of Java to target.
        jvmTarget = javaVersion

        // Needed for reflection to work correctly.
        javaParameters = true

        // -Xjvm-default determines how Kotlin supports default methods.
        // JetBrains currently recommends developers use -Xjvm-default=all
        // https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.jvm/-jvm-default/
        freeCompilerArgs += [
                "-Xjvm-default=all"
        ]
    }
}

repositories {
    // All dependencies are held in Maven Central
    mavenCentral()
}

// Declare dependencies for the modules we will use.
// A cordaProvided declaration is required for anything that we use that the Corda API provides.
// This is required to allow us to build CorDapp modules as OSGi bundles that CPI and CPB files are built on.
dependencies {
    // We need a version of kotlin-stdlib-jdk8 built as an OSGi bundle, this is "kotlin-stdlib-jdk8-osgi".
    // R3 builds kotlin-stdlib-jdk8-osgi from Kotlin's kotlin-stdlib-jdk8.
    // NB:
    //   Kotlin's kotlin-osgi-bundle does not provide all of the Kotlin API that is required,
    //   There is no kotlin-stdlib-jdk11, but one is not needed even though we are targetting Java 11.
    cordaProvided 'net.corda.kotlin:kotlin-stdlib-jdk8-osgi'

    // Declare a "platform" so that we use the correct set of dependency versions for the version of the
    // Corda API specified.
    cordaProvided platform("net.corda:corda-api:$cordaApiVersion")

    // If using transistive dependencies this will provide most of Corda-API: 
    // cordaProvided 'net.corda:corda-application'

    // Alternatively we can explicitly specify all our Corda-API dependencies:
    cordaProvided 'net.corda:corda-base'
    cordaProvided 'net.corda:corda-application'
    cordaProvided 'net.corda:corda-crypto'
    cordaProvided 'net.corda:corda-membership'
    // cordaProvided 'net.corda:corda-persistence'
    cordaProvided 'net.corda:corda-serialization'

    // Not yet fully implemented:
    // cordaProvided 'net.corda:corda-ledger'

    // The CorDapp uses the slf4j logging framework. Corda-API provides this so we need a 'cordaProvided' declaration.
    cordaProvided 'org.slf4j:slf4j-api'

    // Dependencies Required By Test Tooling
    testImplementation "net.corda:corda-simulator-api:$combinedWorkerVersion"
    testRuntimeOnly "net.corda:corda-simulator-runtime:$combinedWorkerVersion"

    // 3rd party libraries
    // Required
    testImplementation "org.slf4j:slf4j-simple:2.0.0" 
    testImplementation "org.junit.jupiter:junit-jupiter:$junitVersion"
    testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$junitVersion"

    // Optional but used by exmaple tests.
    testImplementation "org.mockito:mockito-core:$mockitoVersion"
    testImplementation "org.mockito.kotlin:mockito-kotlin:$mockitoKotlinVersion"
    testImplementation "org.hamcrest:hamcrest-library:$hamcrestVersion"

}


test {
    useJUnitPlatform()
}

publishing {
    publications {
            maven(MavenPublication) {
                artifactId "corda-CSDE-kotlin-sample"
                groupId project.group
                artifact jar
            }
    }
}