Migrate project-level Gradle build script to Kotlin DSL

android/build.gradle.kts

@@ -0,0 +1,89 @@
+plugins {
+    id("com.android.library")
+    id("kotlin-android")
+    id("maven-publish")
+    id("signing")
+}
+
+android {
+    compileSdk = 31
+
+    defaultConfig {
+        minSdk = 21
+        targetSdk = 31
+        // versionCode = 1
+        // versionName = "v0.2.2"
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        getByName("release") {
+            isMinifyEnabled = false
+            proguardFiles(file("proguard-android-optimize.txt"), file("proguard-rules.pro"))
+        }
+    }
+}
+
+dependencies {
+    implementation("net.java.dev.jna:jna:5.8.0@aar")
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7")
+    implementation("androidx.appcompat:appcompat:1.4.0")
+    implementation("androidx.core:core-ktx:1.7.0")
+    api("org.slf4j:slf4j-api:1.7.30")
+
+    androidTestImplementation("com.github.tony19:logback-android:2.0.0")
+    androidTestImplementation("androidx.test.ext:junit:1.1.3")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
+    androidTestImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.1")
+}
+
+afterEvaluate {
+    publishing {
+        publications {
+            create<MavenPublication>("maven") {
+                groupId = "org.bitcoindevkit"
+                artifactId = "bdk-android"
+                version = "0.3.2"
+                from(components["release"])
+                pom {
+                    name.set("bdk-android")
+                    description.set("Bitcoin Dev Kit Kotlin language bindings.")
+                    url.set("https://bitcoindevkit.org")
+                    licenses {
+                        license {
+                            name.set("APACHE 2.0")
+                            url.set("https://github.com/bitcoindevkit/bdk/blob/master/LICENSE-APACHE")
+                        }
+                        license {
+                            name.set("MIT")
+                            url.set("https://github.com/bitcoindevkit/bdk/blob/master/LICENSE-MIT")
+                        }
+                    }
+                    developers {
+                        developer {
+                            id.set("notmandatory")
+                            name.set("Steve Myers")
+                            email.set("notmandatory@noreply.github.org")
+                        }
+                        developer {
+                            id.set("artfuldev")
+                            name.set("Sudarsan Balaji")
+                            email.set("sudarsan.balaji@artfuldev.com")
+                        }
+                    }
+                    scm {
+                        connection.set("scm:git:github.com/bitcoindevkit/bdk-ffi.git")
+                        developerConnection.set("scm:git:ssh://github.com/bitcoindevkit/bdk-ffi.git")
+                        url.set("https://github.com/bitcoindevkit/bdk-ffi/tree/master")
+                    }
+                }
+            }
+        }
+    }
+}
+
+signing {
+    useGpgCmd()
+    sign(publishing.publications)
+}

build.gradle.kts

@@ -0,0 +1,52 @@
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath("com.android.tools.build:gradle:7.0.4")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.10")
+    }
+}
+
+plugins {
+    id("signing")
+    id("maven-publish")
+    id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
+}
+
+signing {
+    val signingKey: String? by project
+    val signingPassword: String? by project
+    useInMemoryPgpKeys(signingKey, signingPassword)
+    sign(publishing.publications)
+}
+
+// does this need to be defined here? Not sure
+// it used to be defined in the nexusPublishing block but is not required
+// I think the group ID is defined in the specific publishing blocks in the respective build.gradle.kts
+group = "org.bitcoindevkit"
+
+nexusPublishing {
+    repositories {
+        create("sonatype") {
+            nexusUrl.set(uri("https://s01.oss.sonatype.org/service/local/"))
+            snapshotRepositoryUrl.set(uri("https://s01.oss.sonatype.org/content/repositories/snapshots/"))
+
+            val ossrhUsername: String? by project
+            val ossrhPassword: String? by project
+            username.set(ossrhUsername)
+            password.set(ossrhPassword)
+        }
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
+        kotlinOptions.freeCompilerArgs += "-opt-in=kotlin.ExperimentalUnsignedTypes"
+    }
+}