Move bdk-jvm and bdk-android out of subdirectory after ffi merge

This commit is contained in:
thunderbiscuit
2022-11-14 09:58:10 -05:00
parent af77b9b9b1
commit e6708d4c5b
52 changed files with 3 additions and 188 deletions

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buildscript {
repositories {
google()
}
dependencies {
classpath("com.android.tools.build:gradle:7.1.2")
}
}
plugins {
id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
}
// These properties are required here so that the nexus publish-plugin
// finds a staging profile with the correct group (group is otherwise set as "")
// and knows whether to publish to a SNAPSHOT repository or not
// https://github.com/gradle-nexus/publish-plugin#applying-the-plugin
group = "org.bitcoindevkit"
version = "0.12.0-SNAPSHOT"
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)
}
}
}

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org.gradle.jvmargs=-Xmx1536m
android.useAndroidX=true
android.enableJetifier=true
kotlin.code.style=official

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.2-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

234
bdk-android/gradlew vendored Executable file
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#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# 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
#
# https://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.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

89
bdk-android/gradlew.bat vendored Normal file
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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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plugins {
id("com.android.library")
id("org.jetbrains.kotlin.android") version "1.6.10"
id("maven-publish")
id("signing")
// Custom plugin to generate the native libs and bindings file
id("org.bitcoindevkit.plugins.generate-android-bindings")
}
repositories {
mavenCentral()
google()
}
android {
compileSdk = 31
defaultConfig {
minSdk = 21
targetSdk = 31
testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
consumerProguardFiles("consumer-rules.pro")
}
buildTypes {
getByName("release") {
isMinifyEnabled = false
proguardFiles(file("proguard-android-optimize.txt"), file("proguard-rules.pro"))
}
}
publishing {
singleVariant("release") {
withSourcesJar()
withJavadocJar()
}
}
}
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 = "0.12.0-SNAPSHOT"
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 {
val signingKeyId: String? by project
val signingKey: String? by project
val signingPassword: String? by project
useInMemoryPgpKeys(signingKeyId, signingKey, signingPassword)
sign(publishing.publications)
}

28
bdk-android/lib/proguard-rules.pro vendored Normal file
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# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile
# for JNA
-dontwarn java.awt.*
-keep class com.sun.jna.* { *; }
-keep class org.bitcoindevkit.* { *; }
-keepclassmembers class * extends org.bitcoindevkit.* { public *; }
-keepclassmembers class * extends com.sun.jna.* { public *; }

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<configuration>
<appender name="logcat" class="ch.qos.logback.classic.android.LogcatAppender">
<tagEncoder>
<pattern>%logger{12}</pattern>
</tagEncoder>
<encoder>
<pattern>[%-20thread] %msg</pattern>
</encoder>
</appender>
<root level="DEBUG">
<appender-ref ref="logcat" />
</root>
</configuration>

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package org.bitcoindevkit
import org.junit.Assert.*
import org.junit.Test
import android.app.Application
import android.content.Context.MODE_PRIVATE
import androidx.test.core.app.ApplicationProvider
import androidx.test.ext.junit.runners.AndroidJUnit4
import org.junit.runner.RunWith
import org.slf4j.Logger
import org.slf4j.LoggerFactory
import java.io.File
/**
* Instrumented test, which will execute on an Android device.
*
* See [testing documentation](http://d.android.com/tools/testing).
*/
@RunWith(AndroidJUnit4::class)
class AndroidLibTest {
private fun getTestDataDir(): String {
val context = ApplicationProvider.getApplicationContext<Application>()
return context.getDir("bdk-test", MODE_PRIVATE).toString()
}
private fun cleanupTestDataDir(testDataDir: String) {
File(testDataDir).deleteRecursively()
}
class LogProgress : Progress {
private val log: Logger = LoggerFactory.getLogger(AndroidLibTest::class.java)
override fun update(progress: Float, message: String?) {
log.debug("Syncing...")
}
}
private val descriptor =
"wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEmKjTiEGjG6KnuFNKKJb5A6ZUCUZKdvLdSDWofKi4ToRCwb9poe1XdqfUnP4jaJjCB2Zwv11ZLgSbnZSNecE/0/*)"
private val databaseConfig = DatabaseConfig.Memory
private val blockchainConfig = BlockchainConfig.Electrum(
ElectrumConfig(
"ssl://electrum.blockstream.info:60002",
null,
5u,
null,
100u
)
)
@Test
fun memoryWalletNewAddress() {
val wallet = Wallet(descriptor, null, Network.TESTNET, databaseConfig)
val address = wallet.getAddress(AddressIndex.NEW).address
assertEquals("tb1qzg4mckdh50nwdm9hkzq06528rsu73hjxxzem3e", address)
}
@Test
fun memoryWalletSyncGetBalance() {
val wallet = Wallet(descriptor, null, Network.TESTNET, databaseConfig)
val blockchain = Blockchain(blockchainConfig)
wallet.sync(blockchain, LogProgress())
val balance: Balance = wallet.getBalance()
assertTrue(balance.total > 0u)
}
@Test
fun sqliteWalletSyncGetBalance() {
val testDataDir = getTestDataDir() + "/bdk-wallet.sqlite"
val databaseConfig = DatabaseConfig.Sqlite(SqliteDbConfiguration(testDataDir))
val wallet = Wallet(descriptor, null, Network.TESTNET, databaseConfig)
val blockchain = Blockchain(blockchainConfig)
wallet.sync(blockchain, LogProgress())
val balance: Balance = wallet.getBalance()
assertTrue(balance.total > 0u)
cleanupTestDataDir(testDataDir)
}
}

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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="org.bitcoindevkit">
<uses-permission android:name="android.permission.INTERNET" />
</manifest>

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# Readme
The purpose of this directory is to host the Gradle plugin that adds tasks for building the native binaries required by `bdk-android`, and building the language bindings files.
The plugin is applied to the `build.gradle.kts` file in `bdk-android` through the `plugins` block:
```kotlin
// bdk-android
plugins {
id("org.bitcoindevkit.plugins.generate-android-bindings")
}
```
It adds a series of tasks which are brought together into an aggregate task called `buildAndroidLib`.
This aggregate task:
1. Builds the native libraries using `bdk-ffi`
2. Places them in the correct resource directories
3. Builds the bindings file

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plugins {
id("java-gradle-plugin")
`kotlin-dsl`
}
gradlePlugin {
plugins {
create("uniFfiAndroidBindings") {
id = "org.bitcoindevkit.plugins.generate-android-bindings"
implementationClass = "org.bitcoindevkit.plugins.UniFfiAndroidPlugin"
}
}
}

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dependencyResolutionManagement {
repositories {
mavenCentral()
google()
}
}
// include(":plugins")

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package org.bitcoindevkit.plugins
val operatingSystem: OS = when {
System.getProperty("os.name").contains("mac", ignoreCase = true) -> OS.MAC
System.getProperty("os.name").contains("linux", ignoreCase = true) -> OS.LINUX
else -> OS.OTHER
}
enum class OS {
MAC,
LINUX,
OTHER,
}

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package org.bitcoindevkit.plugins
import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.api.tasks.Copy
import org.gradle.api.tasks.Exec
import org.gradle.kotlin.dsl.environment
import org.gradle.kotlin.dsl.getValue
import org.gradle.kotlin.dsl.provideDelegate
import org.gradle.kotlin.dsl.register
internal class UniFfiAndroidPlugin : Plugin<Project> {
override fun apply(target: Project): Unit = target.run {
val llvmArchPath = when (operatingSystem) {
OS.MAC -> "darwin-x86_64"
OS.LINUX -> "linux-x86_64"
OS.OTHER -> throw Error("Cannot build Android library from current architecture")
}
// arm64-v8a is the most popular hardware architecture for Android
val buildAndroidAarch64Binary by tasks.register<Exec>("buildAndroidAarch64Binary") {
workingDir("${projectDir}/../../bdk-ffi")
val cargoArgs: MutableList<String> =
mutableListOf("build", "--profile", "release-smaller", "--target", "aarch64-linux-android")
executable("cargo")
args(cargoArgs)
// if ANDROID_NDK_ROOT is not set then set it to github actions default
if (System.getenv("ANDROID_NDK_ROOT") == null) {
environment(
Pair("ANDROID_NDK_ROOT", "${System.getenv("ANDROID_SDK_ROOT")}/ndk-bundle")
)
}
environment(
// add build toolchain to PATH
Pair("PATH",
"${System.getenv("PATH")}:${System.getenv("ANDROID_NDK_ROOT")}/toolchains/llvm/prebuilt/$llvmArchPath/bin"),
Pair("CFLAGS", "-D__ANDROID_API__=21"),
Pair("CARGO_TARGET_AARCH64_LINUX_ANDROID_LINKER", "aarch64-linux-android21-clang"),
Pair("CC", "aarch64-linux-android21-clang")
)
doLast {
println("Native library for bdk-android on aarch64 built successfully")
}
}
// the x86_64 version of the library is mostly used by emulators
val buildAndroidX86_64Binary by tasks.register<Exec>("buildAndroidX86_64Binary") {
workingDir("${project.projectDir}/../../bdk-ffi")
val cargoArgs: MutableList<String> =
mutableListOf("build", "--profile", "release-smaller", "--target", "x86_64-linux-android")
executable("cargo")
args(cargoArgs)
// if ANDROID_NDK_ROOT is not set then set it to github actions default
if (System.getenv("ANDROID_NDK_ROOT") == null) {
environment(
Pair("ANDROID_NDK_ROOT", "${System.getenv("ANDROID_SDK_ROOT")}/ndk-bundle")
)
}
environment(
// add build toolchain to PATH
Pair("PATH",
"${System.getenv("PATH")}:${System.getenv("ANDROID_NDK_ROOT")}/toolchains/llvm/prebuilt/$llvmArchPath/bin"),
Pair("CFLAGS", "-D__ANDROID_API__=21"),
Pair("CARGO_TARGET_X86_64_LINUX_ANDROID_LINKER", "x86_64-linux-android21-clang"),
Pair("CC", "x86_64-linux-android21-clang")
)
doLast {
println("Native library for bdk-android on x86_64 built successfully")
}
}
// armeabi-v7a version of the library for older 32-bit Android hardware
val buildAndroidArmv7Binary by tasks.register<Exec>("buildAndroidArmv7Binary") {
workingDir("${project.projectDir}/../../bdk-ffi")
val cargoArgs: MutableList<String> =
mutableListOf("build", "--profile", "release-smaller", "--target", "armv7-linux-androideabi")
executable("cargo")
args(cargoArgs)
// if ANDROID_NDK_ROOT is not set then set it to github actions default
if (System.getenv("ANDROID_NDK_ROOT") == null) {
environment(
Pair("ANDROID_NDK_ROOT", "${System.getenv("ANDROID_SDK_ROOT")}/ndk-bundle")
)
}
environment(
// add build toolchain to PATH
Pair("PATH",
"${System.getenv("PATH")}:${System.getenv("ANDROID_NDK_ROOT")}/toolchains/llvm/prebuilt/$llvmArchPath/bin"),
Pair("CFLAGS", "-D__ANDROID_API__=21"),
Pair("CARGO_TARGET_ARMV7_LINUX_ANDROIDEABI_LINKER",
"armv7a-linux-androideabi21-clang"),
Pair("CC", "armv7a-linux-androideabi21-clang")
)
doLast {
println("Native library for bdk-android on armv7 built successfully")
}
}
// move the native libs build by cargo from bdk-ffi/target/<architecture>/release/
// to their place in the bdk-android library
// the task only copies the available binaries built using the buildAndroid<architecture>Binary tasks
val moveNativeAndroidLibs by tasks.register<Copy>("moveNativeAndroidLibs") {
dependsOn(buildAndroidAarch64Binary)
into("${project.projectDir}/../lib/src/main/jniLibs/")
into("arm64-v8a") {
from("${project.projectDir}/../../bdk-ffi/target/aarch64-linux-android/release-smaller/libbdkffi.so")
}
into("x86_64") {
from("${project.projectDir}/../../bdk-ffi/target/x86_64-linux-android/release-smaller/libbdkffi.so")
}
into("armeabi-v7a") {
from("${project.projectDir}/../../bdk-ffi/target/armv7-linux-androideabi/release-smaller/libbdkffi.so")
}
doLast {
println("Native binaries for Android moved to ./lib/src/main/jniLibs/")
}
}
// generate the bindings using the bdk-ffi-bindgen tool located in the bdk-ffi submodule
val generateAndroidBindings by tasks.register<Exec>("generateAndroidBindings") {
dependsOn(moveNativeAndroidLibs)
workingDir("${project.projectDir}/../../bdk-ffi")
executable("cargo")
args(
"run",
"--package",
"bdk-ffi-bindgen",
"--",
"--language",
"kotlin",
"--out-dir",
"../bdk-android/lib/src/main/kotlin"
)
doLast {
println("Android bindings file successfully created")
}
}
// create an aggregate task which will run the required tasks to build the Android libs in order
// the task will also appear in the printout of the ./gradlew tasks task with group and description
tasks.register("buildAndroidLib") {
group = "Bitcoindevkit"
description = "Aggregate task to build Android library"
dependsOn(
buildAndroidAarch64Binary,
buildAndroidX86_64Binary,
buildAndroidArmv7Binary,
moveNativeAndroidLibs,
generateAndroidBindings
)
}
}
}

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@@ -0,0 +1,4 @@
rootProject.name = "bdk-android"
include(":lib")
includeBuild("plugins")