build.gradle

buildscript {

    ext.kotlinLoggingVersion = '1.6.24'
    ext.logbackVersion = '1.2.3'

    ext.junitVersion = '5.3.2'
    ext.mockitoKotlinVersion = '1.6.0'

    repositories { mavenCentral() }
}

plugins {
    id "org.jetbrains.kotlin.jvm" version "1.3.21"
    id "com.diffplug.gradle.spotless" version "3.16.0"
    id 'org.web3j' version '4.1.3'
}

dependencies { implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8" }

compileKotlin { kotlinOptions.jvmTarget = "1.8" }
compileTestKotlin { kotlinOptions.jvmTarget = "1.8" }

allprojects {
    apply plugin: 'java'
    apply plugin: 'kotlin'

    repositories {
        mavenLocal()
        mavenCentral()
        jcenter()
        maven { url 'https://jitpack.io' }
        maven { url 'https://oss.sonatype.org/content/repositories/snapshots' }
    }

    dependencies {
        compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8",
                "io.github.microutils:kotlin-logging:$kotlinLoggingVersion",
                "ch.qos.logback:logback-classic:$logbackVersion",
                "org.web3j:eea:4.3.0"

        testCompile "org.junit.jupiter:junit-jupiter-engine:$junitVersion",
                "com.nhaarman:mockito-kotlin:$mockitoKotlinVersion",
                "ch.qos.logback:logback-classic:$logbackVersion", 
                "junit:junit:4.12"
    }

    compileKotlin {
        kotlinOptions.jvmTarget = "1.8"
        dependsOn 'generateContractWrappers'
    }

    compileTestKotlin {
        kotlinOptions.jvmTarget = "1.8"
        dependsOn 'generateTestContractWrappers'
    }

    sourceSets {
        main.kotlin.srcDirs += "${web3j.generatedFilesBaseDir}/main/java"
        test.kotlin.srcDirs += "${web3j.generatedFilesBaseDir}/test/java"
    }

    apply plugin: 'com.diffplug.gradle.spotless'
    // see https://github.com/diffplug/spotless/tree/master/plugin-gradle
    spotless {
        kotlin {
            // This path needs to be relative to each project
            target fileTree('.') {
                include '**/*.kt'
                exclude '**/.gradle/**'
            }
            // see https://github.com/shyiko/ktlint#standard-rules
            ktlint().userData(['max_line_length': '100', 'insert_final_newline': 'true'])
            licenseHeaderFile "${rootDir}/gradle/spotless.kotlin.license"  // License header file
        }

        groovyGradle {
            target '*.gradle'
            greclipse().configFile(rootProject.file('gradle/formatter.properties'))
            endWithNewline()
            paddedCell() // recommended hack to keep gradle files tidy
        }
    }

    apply plugin: 'application'
    application { mainClassName = 'org.web3j.eea.sample.ApplicationKt' }
}