All Downloads are FREE. Search and download functionalities are using the official Maven repository.

jvmMain.fr.acinq.secp256k1.Secp256k1Jvm.kt Maven / Gradle / Ivy

Go to download

Bitcoin's secp256k1 library ported to Kotlin/Multiplatform for JVM, Android, iOS (+ x64 and arm64 simulator), macOS, watchOS, tvOS & Linux

The newest version!
/*
 * Copyright 2020 ACINQ SAS
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package fr.acinq.secp256k1

import java.util.*


private fun tryLoad(platform: String): Secp256k1? {
    return try {
        val cls = Class.forName("fr.acinq.secp256k1.jni.NativeSecp256k1${platform.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.ROOT) else it.toString() }}Loader")
        val load = cls.getMethod("load")
        load.invoke(null) as Secp256k1
    } catch (ex: ClassNotFoundException) {
        null
    }
}

internal actual fun getSecpk256k1(): Secp256k1 =
    tryLoad("android")
        ?: tryLoad("jvm")
        ?: error("Could not load native Secp256k1 JNI library. Have you added the JNI dependency?")




© 2015 - 2024 Weber Informatics LLC | Privacy Policy