Claude
2ad1a48123
The custom C secp256k1 implementation under quartz/src/main/c/ was never
wired into Gradle (no externalNativeBuild block) and only existed for the
3-way benchmark + cross-validation test against ACINQ on JVM/Android.
The C library has been split out to vitorpamplona/libschnorr256k1{,-kmp},
so the in-repo copy is dead weight.
This change replaces it with the published Maven Central artifact
`com.vitorpamplona:schnorr256k1-kmp:1.0.0`, scoped to test/benchmark
configurations only — production crypto continues to use ACINQ
secp256k1-kmp on JVM/Android and the pure-Kotlin Secp256k1 on native.
The Android AAR ships libschnorr256k1_jni.so for arm64-v8a and x86_64,
so the Android benchmark now exercises the C row automatically (no more
manual build_android.sh). On JVM the .so still has to be installed by the
developer; the cross-validation test and triple-benchmark gracefully skip
the C row when System.loadLibrary fails, matching prior behavior.
Verified on JVM: all 13 secp256k1 jvmTest classes pass (188 tests), and
ACINQ vs pure-Kotlin benchmark numbers match the documented baseline
within sandbox noise (verifySchnorr ~15k ops/s, signSchnorr cached
~33k ops/s, pubkeyCreate+Compress ~36k ops/s).
Removes ~5,100 LOC: quartz/src/main/c/ (4,500), Secp256k1InstanceC.*
expect/actual shim (560), Secp256k1C JNI declaration object.
https://claude.ai/code/session_01KnvpK2amcVZKfFiZJvHjVe
390 lines
12 KiB
Kotlin
390 lines
12 KiB
Kotlin
import com.vanniktech.maven.publish.KotlinMultiplatform
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import com.vanniktech.maven.publish.SourcesJar
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import org.jetbrains.kotlin.gradle.dsl.JvmTarget
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import org.jetbrains.kotlin.gradle.targets.native.tasks.KotlinNativeTest
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plugins {
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alias(libs.plugins.kotlinMultiplatform)
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alias(libs.plugins.androidKotlinMultiplatformLibrary)
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alias(libs.plugins.serialization)
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alias(libs.plugins.vanniktech.mavenPublish)
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}
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kotlin {
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compilerOptions {
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freeCompilerArgs.add("-Xexpect-actual-classes")
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}
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jvm {
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compilerOptions {
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jvmTarget.set(JvmTarget.JVM_21)
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}
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}
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android {
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namespace = "com.vitorpamplona.quartz"
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compileSdk =
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libs.versions.android.compileSdk
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.get()
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.toInt()
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minSdk =
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libs.versions.android.minSdk
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.get()
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.toInt()
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compilerOptions {
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jvmTarget.set(JvmTarget.JVM_21)
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}
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optimization {
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consumerKeepRules.apply {
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publish = true
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file("consumer-rules.pro")
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}
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}
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withHostTest {}
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withDeviceTest {
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instrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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}
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}
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// For iOS targets, this is also where you should
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// configure native binary output. For more information, see:
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// https://kotlinlang.org/docs/multiplatform-build-native-binaries.html#build-xcframeworks
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// A step-by-step guide on how to include this library in an XCode
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// project can be found here:
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// https://developer.android.com/kotlin/multiplatform/migrate
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val xcfName = "quartz-kmpKit"
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iosArm64 {
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binaries.framework {
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baseName = xcfName
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isStatic = true
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binaryOption("bundleId", "com.vitorpamplona.quartz")
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}
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}
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iosSimulatorArm64 {
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binaries.framework {
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baseName = xcfName
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isStatic = true
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binaryOption("bundleId", "com.vitorpamplona.quartz")
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}
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}
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linuxX64()
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macosArm64()
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// This makes sure that the resource file directory is visible for iOS tests.
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val rootDir = "${rootProject.rootDir.path}/quartz/src/commonTest/resources"
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tasks.withType<Test>().configureEach {
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maxHeapSize = "4g"
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environment("TEST_RESOURCES_ROOT", rootDir)
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}
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tasks.withType<KotlinNativeTest>().configureEach {
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environment("TEST_RESOURCES_ROOT", rootDir)
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// This is necessary to have the variable propagated on iOS
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environment("SIMCTL_CHILD_TEST_RESOURCES_ROOT", rootDir)
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}
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// Enable LLVM optimizations for native test binaries (benchmark accuracy).
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// Without opt, K/N test binaries compile in debug mode (~20× slower).
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// Use the binary-level API instead of -opt freeCompilerArg to avoid the
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// "Unsupported combination of flags: -opt and -g" conflict in Kotlin/Native 2.1+.
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targets.withType<org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget>().configureEach {
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binaries.withType<org.jetbrains.kotlin.gradle.plugin.mpp.TestExecutable>().configureEach {
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optimized = true
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debuggable = false
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}
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}
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// Source set declarations.
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// Declaring a target automatically creates a source set with the same name. By default, the
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// Kotlin Gradle Plugin creates additional source sets that depend on each other, since it is
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// common to share sources between related targets.
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// See: https://kotlinlang.org/docs/multiplatform-hierarchy.html
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sourceSets {
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commonMain {
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dependencies {
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implementation(libs.kotlin.stdlib)
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implementation(libs.kotlinx.coroutines.core)
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// For LruCache
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implementation(libs.androidx.collection)
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// @Immutable and @Stable
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implementation(libs.androidx.compose.runtime.annotation)
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// Bitcoin secp256k1 bindings
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api(libs.secp256k1.kmp.common)
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// Kotlin serialization for the times where we need the Json tree and performance is not that important.
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implementation(libs.kotlinx.serialization.json)
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// immutable collections to avoid recomposition
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implementation(libs.kotlinx.collections.immutable)
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// SQLite KMP driver for event store
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api(libs.androidx.sqlite)
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implementation(libs.androidx.sqlite.bundled)
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// Negentropy set reconciliation (NIP-77)
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api(libs.negentropy.kmp)
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implementation("io.github.andreypfau:kotlinx-crypto-hmac:0.0.4")
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implementation("io.github.andreypfau:kotlinx-crypto-sha2:0.0.4")
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}
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}
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commonTest {
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dependencies {
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implementation(libs.kotlin.test)
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implementation(libs.kotlinx.coroutines.test)
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// SQLite bundled driver for tests
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api(libs.androidx.sqlite)
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implementation(libs.androidx.sqlite.bundled)
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}
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}
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// Must be defined before androidMain and jvmMain
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val jvmAndroid =
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create("jvmAndroid") {
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dependsOn(commonMain.get())
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dependencies {
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// Performant Parser of JSONs into Events
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api(libs.jackson.module.kotlin)
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// Websockets API
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implementation(libs.okhttp)
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implementation(libs.okhttpCoroutines)
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// Chess engine for move validation and legal move generation
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// NOTE: 1.0.4+ uses Java 21's removeLast() which crashes on Android API < 34
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// TODO: Test if 1.0.0 works, or fork library to fix
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implementation(libs.kchesslib)
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}
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}
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// Must be defined before androidMain and jvmMain
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val jvmAndroidTest =
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create("jvmAndroidTest") {
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dependsOn(commonTest.get())
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dependencies {
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implementation(libs.kotlin.test)
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implementation(libs.kotlinx.coroutines.test)
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}
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}
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jvmMain {
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dependsOn(jvmAndroid)
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dependencies {
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// Bitcoin secp256k1 bindings
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implementation(libs.secp256k1.kmp.jni.jvm)
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}
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}
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jvmTest {
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dependsOn(jvmAndroidTest)
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dependencies {
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// Bitcoin secp256k1 bindings
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implementation(libs.secp256k1.kmp.jni.jvm)
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// Custom C secp256k1 (libschnorr256k1) for cross-validation + 3-way benchmark
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implementation(libs.schnorr256k1.kmp)
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// SQLite bundled driver for JVM tests
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implementation(libs.androidx.sqlite.bundled.jvm)
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}
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}
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androidMain {
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dependsOn(jvmAndroid)
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dependencies {
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implementation(libs.androidx.core.ktx)
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// Bitcoin secp256k1 bindings to Android
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api(libs.secp256k1.kmp.jni.android)
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}
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}
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getByName("androidHostTest") {
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dependencies {
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implementation(libs.kotlin.test)
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implementation(libs.kotlinx.coroutines.test)
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// Bitcoin secp256k1 bindings
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implementation(libs.secp256k1.kmp.jni.jvm)
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// SQLite bundled driver for Host tests
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implementation(libs.androidx.sqlite.bundled.jvm)
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}
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}
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getByName("androidDeviceTest") {
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dependencies {
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implementation(libs.androidx.runner)
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implementation(libs.androidx.core)
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implementation(libs.androidx.junit)
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implementation(libs.androidx.espresso.core)
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implementation(libs.kotlin.test)
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implementation(libs.kotlinx.coroutines.test)
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// Bitcoin secp256k1 bindings to Android
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api(libs.secp256k1.kmp.jni.android)
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// Custom C secp256k1 (libschnorr256k1) for cross-validation + 3-way benchmark
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implementation(libs.schnorr256k1.kmp)
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}
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}
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// Must be defined before appleMain, linuxMain, etc.
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val nativeMain =
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create("nativeMain") {
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dependsOn(commonMain.get())
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}
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val nativeTest =
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create("nativeTest") {
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dependsOn(commonTest.get())
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}
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// Must be defined before iosMain and macosMain
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val appleMain =
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create("appleMain") {
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dependsOn(nativeMain)
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dependencies {
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implementation(libs.charlietap.cachemap)
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implementation(libs.net.thauvin.erik.urlencoder.lib)
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implementation(libs.dev.whyoleg.cryptography.provider.apple.optimal)
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implementation("io.github.andreypfau:kotlinx-crypto-hmac:0.0.4")
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implementation("io.github.andreypfau:kotlinx-crypto-sha2:0.0.4")
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}
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}
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val appleTest =
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create("appleTest") {
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dependsOn(nativeTest)
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}
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iosMain {
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dependsOn(appleMain)
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}
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val iosArm64Main by getting {
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dependsOn(iosMain.get())
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}
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val iosSimulatorArm64Main by getting {
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dependsOn(iosMain.get())
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}
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iosTest {
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dependsOn(appleTest)
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}
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val iosArm64Test by getting {
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dependsOn(iosTest.get())
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}
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val iosSimulatorArm64Test by getting {
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dependsOn(iosTest.get())
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}
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val macosMain =
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create("macosMain") {
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dependsOn(appleMain)
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}
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val macosTest =
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create("macosTest") {
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dependsOn(appleTest)
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}
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val macosArm64Main by getting {
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dependsOn(macosMain)
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}
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val macosArm64Test by getting {
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dependsOn(macosTest)
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}
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val linuxMain =
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create("linuxMain") {
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dependsOn(nativeMain)
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dependencies {
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implementation(libs.net.thauvin.erik.urlencoder.lib)
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implementation(libs.dev.whyoleg.cryptography.provider.apple.optimal)
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}
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}
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val linuxTest =
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create("linuxTest") {
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dependsOn(nativeTest)
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}
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val linuxX64Main by getting {
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dependsOn(linuxMain)
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}
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val linuxX64Test by getting {
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dependsOn(linuxTest)
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}
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}
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}
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mavenPublishing {
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// sources publishing is always enabled by the Kotlin Multiplatform plugin
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configure(
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KotlinMultiplatform(
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// whether to publish a sources jar
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sourcesJar = SourcesJar.Sources(),
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),
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)
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coordinates(
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groupId = "com.vitorpamplona.quartz",
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artifactId = "quartz",
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version = "1.08.0",
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)
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// Configure publishing to Maven Central
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publishToMavenCentral(automaticRelease = true)
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// Enable GPG signing for all publications
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signAllPublications()
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pom {
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name = "Quartz: Nostr Library for Kotlin Multiplatform"
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description = "Nostr library ported to Kotlin/Multiplatform for JVM, Android, iOS & Linux"
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inceptionYear = "2025"
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url = "https://github.com/vitorpamplona/amethyst/"
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licenses {
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license {
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name = "MIT License"
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url = "https://github.com/vitorpamplona/amethyst/blob/main/LICENSE"
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}
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}
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developers {
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developer {
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id = "vitorpamplona"
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name = "Vitor Pamplona"
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url = "http://vitorpamplona.com"
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email = "vitor@vitorpamplona.com"
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}
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}
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scm {
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url = "https://github.com/vitorpamplona/amethyst/"
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connection = "https://github.com/vitorpamplona/amethyst/.git"
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}
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}
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}
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