fix: publish android debug symbols

.github/workflows/publish-android.yml

@@ -6,18 +6,32 @@ on:
  workflow_dispatch:
  inputs:
  version:
- description: "Version to publish (e.g., v0.1.0)"
+ description: "Version/tag to publish (e.g., v0.7.0-rc.50 or 0.7.0-rc.50)"
  required: true
 
 jobs:
  publish:
  runs-on: ubuntu-latest
  permissions:
- contents: read
+ contents: write
  packages: write
 
  steps:
+ - name: Normalize release version
+ id: version
+ shell: bash
+ run: |
+ VERSION="${{ github.event.inputs.version || github.event.release.tag_name || github.ref_name }}"
+ TAG="$VERSION"
+ if [[ "$TAG" != v* ]]; then
+ TAG="v$TAG"
+ fi
+ echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+ echo "version=${TAG#v}" >> "$GITHUB_OUTPUT"
+
  - uses: actions/checkout@v4
+ with:
+ ref: ${{ steps.version.outputs.tag }}
  - name: Set up JDK 17
  uses: actions/setup-java@v4
  with:
@@ -29,24 +43,44 @@ jobs:
  - name: Setup Gradle
  uses: gradle/actions/setup-gradle@v4
 
- - name: Extract version from input or tag
- id: version
- shell: bash
- run: |
- VERSION="${{ inputs.version }}"
- if [[ -z "$VERSION" ]]; then
- VERSION="$GITHUB_REF_NAME"
- fi
- echo "version=${VERSION#v}" >> $GITHUB_OUTPUT
+ - name: Install native build dependencies
+ run: sudo apt-get update && sudo apt-get install -y pkg-config protobuf-compiler
+
+ - name: Set up Android SDK
+ uses: android-actions/setup-android@v3
+
+ - name: Set up Android NDK
+ id: setup-ndk
+ uses: nttld/setup-ndk@v1
+ with:
+ ndk-version: r28c
+ add-to-path: true
+
+ - name: Export Android NDK root
+ run: echo "ANDROID_NDK_ROOT=${{ steps.setup-ndk.outputs.ndk-path }}" >> "$GITHUB_ENV"
+
+ - name: Generate Android bindings
+ run: scripts/uniffi_bindgen_generate_kotlin_android.sh
 
  - name: Build with Gradle
  working-directory: bindings/kotlin/ldk-node-android
  run: ./gradlew build -Pversion=${{ steps.version.outputs.version }}
 
+ - name: Upload native debug symbols artifact
+ uses: actions/upload-artifact@v4
+ with:
+ name: ldk-node-native-debug-symbols-${{ steps.version.outputs.version }}
+ path: bindings/kotlin/ldk-node-android/native-debug-symbols.zip
+
+ - name: Upload native debug symbols to release
+ env:
+ GH_TOKEN: ${{ github.token }}
+ run: gh release upload "${{ steps.version.outputs.tag }}" bindings/kotlin/ldk-node-android/native-debug-symbols.zip --clobber
+
  - name: Publish to GitHub Packages
  working-directory: bindings/kotlin/ldk-node-android
  env:
  GITHUB_ACTOR: ${{ github.actor }}
- GITHUB_TOKEN: ${{ secrets.ORG_PACKAGES_TOKEN }}
+ GITHUB_TOKEN: ${{ github.token }}
  GITHUB_REPO: ${{ github.repository }}
  run: ./gradlew publish -Pversion=${{ steps.version.outputs.version }}

.gitignore

@@ -2,6 +2,7 @@
 # will have compiled files and executables
 /target/
 /bindings/uniffi-bindgen/target/
+/bindings/kotlin/ldk-node-android/native-debug-symbols.zip
 
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html

CHANGELOG.md

@@ -1,7 +1,9 @@
-# 0.7.0-rc.46 (Synonym Fork)
+# 0.7.0-rc.51 (Synonym Fork)
 
 ## Bug Fixes
 
+- Published stripped `ldk-node-android` artifacts with separate native debug symbols
+ and failed Android binding generation when generated JNI libraries lack usable symbols.
 - Persist missing announced channel peers from the network graph during
  build-time restore and after Rapid Gossip Sync graph updates. Automatic
  recovery respects explicit disconnects and last-channel closes during the

Cargo.toml

@@ -4,7 +4,7 @@ exclude = ["bindings/uniffi-bindgen"]
 
 [package]
 name = "ldk-node"
-version = "0.7.0-rc.46"
+version = "0.7.0-rc.51"
 authors = ["Elias Rohrer <dev@tnull.de>"]
 homepage = "https://lightningdevkit.org/"
 license = "MIT OR Apache-2.0"

Package.swift

@@ -3,8 +3,8 @@
 
 import PackageDescription
 
-let tag = "v0.7.0-rc.46"
-let checksum = "06558c2834c186d3da188389ef197942e948ac4f6f3261746e3594420ab0ee23"
+let tag = "v0.7.0-rc.51"
+let checksum = "efeec8d0480f1400c6a4203232359f5b3c4c338a4ba13826538cac12b8fe1bac"
 let url = "https://github.com/synonymdev/ldk-node/releases/download/\(tag)/LDKNodeFFI.xcframework.zip"
 
 let package = Package(

bindings/kotlin/ldk-node-android/gradle.properties

@@ -3,4 +3,4 @@ android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
 group=com.synonym
-version=0.7.0-rc.46
+version=0.7.0-rc.51

bindings/kotlin/ldk-node-android/lib/build.gradle.kts

@@ -1,3 +1,6 @@
+import java.io.ByteArrayOutputStream
+import java.io.File
+
 plugins {
  id("com.android.library")
  kotlin("android")
@@ -58,6 +61,107 @@ dependencies {
  api("org.slf4j:slf4j-api:1.7.30")
 }
 
+val androidNativeAbis = listOf("armeabi-v7a", "arm64-v8a", "x86_64")
+
+fun executableFromPath(name: String): String? {
+ return System.getenv("PATH")
+ ?.split(File.pathSeparator)
+ ?.asSequence()
+ ?.map { File(it, name) }
+ ?.firstOrNull { it.canExecute() }
+ ?.absolutePath
+}
+
+fun findReadelf(): String {
+ executableFromPath("llvm-readelf")?.let { return it }
+ executableFromPath("readelf")?.let { return it }
+
+ return listOf("ANDROID_NDK_ROOT", "ANDROID_NDK_HOME", "NDK_HOME")
+ .mapNotNull { System.getenv(it) }
+ .map { File(it, "toolchains/llvm/prebuilt") }
+ .firstNotNullOfOrNull { prebuiltDir ->
+ if (!prebuiltDir.isDirectory) return@firstNotNullOfOrNull null
+
+ prebuiltDir
+ .walkTopDown()
+ .firstOrNull { it.name == "llvm-readelf" && it.canExecute() }
+ ?.absolutePath
+ }
+ ?: throw GradleException(
+ "llvm-readelf or readelf is required to validate Android native debug symbols"
+ )
+}
+
+fun Project.runReadelf(readelf: String, vararg args: String): Pair<Int, String> {
+ val stdout = ByteArrayOutputStream()
+ val stderr = ByteArrayOutputStream()
+ val result = exec {
+ commandLine(readelf, *args)
+ standardOutput = stdout
+ errorOutput = stderr
+ isIgnoreExitValue = true
+ }
+
+ return result.exitValue to stdout.toString().ifBlank { stderr.toString() }
+}
+
+fun String.parseElfAlignment(): Long {
+ return if (startsWith("0x")) {
+ removePrefix("0x").toLong(16)
+ } else {
+ toLong()
+ }
+}
+
+val validateReleaseNativeLibraries by tasks.registering {
+ group = "verification"
+ description = "Validates release JNI libraries are stripped and keep 16 KB LOAD alignment."
+
+ doLast {
+ val readelf = findReadelf()
+ val loadAlignmentRegex = Regex("""^\s*LOAD\s+.*\s+(0x[0-9a-fA-F]+|\d+)\s*$""")
+
+ androidNativeAbis.forEach { abi ->
+ val lib = layout.projectDirectory.file("src/main/jniLibs/$abi/libldk_node.so").asFile
+ if (!lib.isFile) {
+ throw GradleException("Android native library missing at '${lib.path}'")
+ }
+
+ val (sectionsExit, sections) = runReadelf(readelf, "-S", lib.absolutePath)
+ if (sectionsExit != 0) {
+ throw GradleException("Unable to inspect Android native library sections: '${lib.path}'")
+ }
+ if (Regex("""\.debug_""").containsMatchIn(sections)) {
+ throw GradleException("Android release native library still contains .debug_* sections: '${lib.path}'")
+ }
+
+ val wideHeaders = runReadelf(readelf, "-W", "-l", lib.absolutePath)
+ val headers = if (wideHeaders.first == 0) {
+ wideHeaders.second
+ } else {
+ val fallbackHeaders = runReadelf(readelf, "-l", lib.absolutePath)
+ if (fallbackHeaders.first != 0) {
+ throw GradleException("Unable to inspect Android native library headers: '${lib.path}'")
+ }
+ fallbackHeaders.second
+ }
+
+ val alignments = headers
+ .lineSequence()
+ .mapNotNull { loadAlignmentRegex.matchEntire(it)?.groupValues?.get(1)?.parseElfAlignment() }
+ .toList()
+
+ if (alignments.isEmpty() || alignments.any { it < 16_384 }) {
+ throw GradleException("Android native library is not 16 KB page-size aligned: '${lib.path}'")
+ }
+ }
+ }
+}
+
+tasks.matching { it.name == "bundleReleaseAar" || it.name.startsWith("publish") }.configureEach {
+ dependsOn(validateReleaseNativeLibraries)
+}
+
 afterEvaluate {
  publishing {
  publications {
@@ -68,6 +172,10 @@ afterEvaluate {
  version = providers.gradleProperty("version").orNull ?: "0.0.0"
 
  from(components["release"])
+ artifact(rootProject.layout.projectDirectory.file("native-debug-symbols.zip")) {
+ classifier = "native-debug-symbols"
+ extension = "zip"
+ }
  pom {
  name.set(mavenArtifactId)
  description.set("LDK Node Android bindings (Synonym fork).")

.github/workflows/publish-android.yml

@@ -6,18 +6,32 @@ on:
  workflow_dispatch:
  inputs:
  version:
- description: "Version to publish (e.g., v0.1.0)"
+ description: "Version/tag to publish (e.g., v0.7.0-rc.50 or 0.7.0-rc.50)"
  required: true
 
 jobs:
  publish:
  runs-on: ubuntu-latest
  permissions:
- contents: read
+ contents: write
  packages: write
 
  steps:
+ - name: Normalize release version
+ id: version
+ shell: bash
+ run: |
+ VERSION="${{ github.event.inputs.version || github.event.release.tag_name || github.ref_name }}"
+ TAG="$VERSION"
+ if [[ "$TAG" != v* ]]; then
+ TAG="v$TAG"
+ fi
+ echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+ echo "version=${TAG#v}" >> "$GITHUB_OUTPUT"
+
  - uses: actions/checkout@v4
+ with:
+ ref: ${{ steps.version.outputs.tag }}
  - name: Set up JDK 17
  uses: actions/setup-java@v4
  with:
@@ -29,24 +43,44 @@ jobs:
  - name: Setup Gradle
  uses: gradle/actions/setup-gradle@v4
 
- - name: Extract version from input or tag
- id: version
- shell: bash
- run: |
- VERSION="${{ inputs.version }}"
- if [[ -z "$VERSION" ]]; then
- VERSION="$GITHUB_REF_NAME"
- fi
- echo "version=${VERSION#v}" >> $GITHUB_OUTPUT
+ - name: Install native build dependencies
+ run: sudo apt-get update && sudo apt-get install -y pkg-config protobuf-compiler
+
+ - name: Set up Android SDK
+ uses: android-actions/setup-android@v3
+
+ - name: Set up Android NDK
+ id: setup-ndk
+ uses: nttld/setup-ndk@v1
+ with:
+ ndk-version: r28c
+ add-to-path: true
+
+ - name: Export Android NDK root
+ run: echo "ANDROID_NDK_ROOT=${{ steps.setup-ndk.outputs.ndk-path }}" >> "$GITHUB_ENV"
+
+ - name: Generate Android bindings
+ run: scripts/uniffi_bindgen_generate_kotlin_android.sh
 
  - name: Build with Gradle
  working-directory: bindings/kotlin/ldk-node-android
  run: ./gradlew build -Pversion=${{ steps.version.outputs.version }}
 
+ - name: Upload native debug symbols artifact
+ uses: actions/upload-artifact@v4
+ with:
+ name: ldk-node-native-debug-symbols-${{ steps.version.outputs.version }}
+ path: bindings/kotlin/ldk-node-android/native-debug-symbols.zip
+
+ - name: Upload native debug symbols to release
+ env:
+ GH_TOKEN: ${{ github.token }}
+ run: gh release upload "${{ steps.version.outputs.tag }}" bindings/kotlin/ldk-node-android/native-debug-symbols.zip --clobber
+
  - name: Publish to GitHub Packages
  working-directory: bindings/kotlin/ldk-node-android
  env:
  GITHUB_ACTOR: ${{ github.actor }}
- GITHUB_TOKEN: ${{ secrets.ORG_PACKAGES_TOKEN }}
+ GITHUB_TOKEN: ${{ github.token }}
  GITHUB_REPO: ${{ github.repository }}
  run: ./gradlew publish -Pversion=${{ steps.version.outputs.version }}

.gitignore

@@ -2,6 +2,7 @@
 # will have compiled files and executables
 /target/
 /bindings/uniffi-bindgen/target/
+/bindings/kotlin/ldk-node-android/native-debug-symbols.zip
 
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html

CHANGELOG.md

@@ -1,7 +1,9 @@
-# 0.7.0-rc.46 (Synonym Fork)
+# 0.7.0-rc.51 (Synonym Fork)
 
 ## Bug Fixes
 
+- Published stripped `ldk-node-android` artifacts with separate native debug symbols
+ and failed Android binding generation when generated JNI libraries lack usable symbols.
 - Persist missing announced channel peers from the network graph during
  build-time restore and after Rapid Gossip Sync graph updates. Automatic
  recovery respects explicit disconnects and last-channel closes during the

Cargo.toml

@@ -4,7 +4,7 @@ exclude = ["bindings/uniffi-bindgen"]
 
 [package]
 name = "ldk-node"
-version = "0.7.0-rc.46"
+version = "0.7.0-rc.51"
 authors = ["Elias Rohrer <dev@tnull.de>"]
 homepage = "https://lightningdevkit.org/"
 license = "MIT OR Apache-2.0"

Package.swift

@@ -3,8 +3,8 @@
 
 import PackageDescription
 
-let tag = "v0.7.0-rc.46"
-let checksum = "06558c2834c186d3da188389ef197942e948ac4f6f3261746e3594420ab0ee23"
+let tag = "v0.7.0-rc.51"
+let checksum = "efeec8d0480f1400c6a4203232359f5b3c4c338a4ba13826538cac12b8fe1bac"
 let url = "https://github.com/synonymdev/ldk-node/releases/download/\(tag)/LDKNodeFFI.xcframework.zip"
 
 let package = Package(

bindings/kotlin/ldk-node-android/gradle.properties

@@ -3,4 +3,4 @@ android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
 group=com.synonym
-version=0.7.0-rc.46
+version=0.7.0-rc.51

bindings/kotlin/ldk-node-android/lib/build.gradle.kts

@@ -1,3 +1,6 @@
+import java.io.ByteArrayOutputStream
+import java.io.File
+
 plugins {
  id("com.android.library")
  kotlin("android")
@@ -58,6 +61,107 @@ dependencies {
  api("org.slf4j:slf4j-api:1.7.30")
 }
 
+val androidNativeAbis = listOf("armeabi-v7a", "arm64-v8a", "x86_64")
+
+fun executableFromPath(name: String): String? {
+ return System.getenv("PATH")
+ ?.split(File.pathSeparator)
+ ?.asSequence()
+ ?.map { File(it, name) }
+ ?.firstOrNull { it.canExecute() }
+ ?.absolutePath
+}
+
+fun findReadelf(): String {
+ executableFromPath("llvm-readelf")?.let { return it }
+ executableFromPath("readelf")?.let { return it }
+
+ return listOf("ANDROID_NDK_ROOT", "ANDROID_NDK_HOME", "NDK_HOME")
+ .mapNotNull { System.getenv(it) }
+ .map { File(it, "toolchains/llvm/prebuilt") }
+ .firstNotNullOfOrNull { prebuiltDir ->
+ if (!prebuiltDir.isDirectory) return@firstNotNullOfOrNull null
+
+ prebuiltDir
+ .walkTopDown()
+ .firstOrNull { it.name == "llvm-readelf" && it.canExecute() }
+ ?.absolutePath
+ }
+ ?: throw GradleException(
+ "llvm-readelf or readelf is required to validate Android native debug symbols"
+ )
+}
+
+fun Project.runReadelf(readelf: String, vararg args: String): Pair<Int, String> {
+ val stdout = ByteArrayOutputStream()
+ val stderr = ByteArrayOutputStream()
+ val result = exec {
+ commandLine(readelf, *args)
+ standardOutput = stdout
+ errorOutput = stderr
+ isIgnoreExitValue = true
+ }
+
+ return result.exitValue to stdout.toString().ifBlank { stderr.toString() }
+}
+
+fun String.parseElfAlignment(): Long {
+ return if (startsWith("0x")) {
+ removePrefix("0x").toLong(16)
+ } else {
+ toLong()
+ }
+}
+
+val validateReleaseNativeLibraries by tasks.registering {
+ group = "verification"
+ description = "Validates release JNI libraries are stripped and keep 16 KB LOAD alignment."
+
+ doLast {
+ val readelf = findReadelf()
+ val loadAlignmentRegex = Regex("""^\s*LOAD\s+.*\s+(0x[0-9a-fA-F]+|\d+)\s*$""")
+
+ androidNativeAbis.forEach { abi ->
+ val lib = layout.projectDirectory.file("src/main/jniLibs/$abi/libldk_node.so").asFile
+ if (!lib.isFile) {
+ throw GradleException("Android native library missing at '${lib.path}'")
+ }
+
+ val (sectionsExit, sections) = runReadelf(readelf, "-S", lib.absolutePath)
+ if (sectionsExit != 0) {
+ throw GradleException("Unable to inspect Android native library sections: '${lib.path}'")
+ }
+ if (Regex("""\.debug_""").containsMatchIn(sections)) {
+ throw GradleException("Android release native library still contains .debug_* sections: '${lib.path}'")
+ }
+
+ val wideHeaders = runReadelf(readelf, "-W", "-l", lib.absolutePath)
+ val headers = if (wideHeaders.first == 0) {
+ wideHeaders.second
+ } else {
+ val fallbackHeaders = runReadelf(readelf, "-l", lib.absolutePath)
+ if (fallbackHeaders.first != 0) {
+ throw GradleException("Unable to inspect Android native library headers: '${lib.path}'")
+ }
+ fallbackHeaders.second
+ }
+
+ val alignments = headers
+ .lineSequence()
+ .mapNotNull { loadAlignmentRegex.matchEntire(it)?.groupValues?.get(1)?.parseElfAlignment() }
+ .toList()
+
+ if (alignments.isEmpty() || alignments.any { it < 16_384 }) {
+ throw GradleException("Android native library is not 16 KB page-size aligned: '${lib.path}'")
+ }
+ }
+ }
+}
+
+tasks.matching { it.name == "bundleReleaseAar" || it.name.startsWith("publish") }.configureEach {
+ dependsOn(validateReleaseNativeLibraries)
+}
+
 afterEvaluate {
  publishing {
  publications {
@@ -68,6 +172,10 @@ afterEvaluate {
  version = providers.gradleProperty("version").orNull ?: "0.0.0"
 
  from(components["release"])
+ artifact(rootProject.layout.projectDirectory.file("native-debug-symbols.zip")) {
+ classifier = "native-debug-symbols"
+ extension = "zip"
+ }
  pom {
  name.set(mavenArtifactId)
  description.set("LDK Node Android bindings (Synonym fork).")

.github/workflows/publish-android.yml

@@ -6,18 +6,32 @@ on:
  workflow_dispatch:
  inputs:
  version:
- description: "Version to publish (e.g., v0.1.0)"
+ description: "Version/tag to publish (e.g., v0.7.0-rc.50 or 0.7.0-rc.50)"
  required: true
 
 jobs:
  publish:
  runs-on: ubuntu-latest
  permissions:
- contents: read
+ contents: write
  packages: write
 
  steps:
+ - name: Normalize release version
+ id: version
+ shell: bash
+ run: |
+ VERSION="${{ github.event.inputs.version || github.event.release.tag_name || github.ref_name }}"
+ TAG="$VERSION"
+ if [[ "$TAG" != v* ]]; then
+ TAG="v$TAG"
+ fi
+ echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+ echo "version=${TAG#v}" >> "$GITHUB_OUTPUT"
+
  - uses: actions/checkout@v4
+ with:
+ ref: ${{ steps.version.outputs.tag }}
  - name: Set up JDK 17
  uses: actions/setup-java@v4
  with:
@@ -29,24 +43,44 @@ jobs:
  - name: Setup Gradle
  uses: gradle/actions/setup-gradle@v4
 
- - name: Extract version from input or tag
- id: version
- shell: bash
- run: |
- VERSION="${{ inputs.version }}"
- if [[ -z "$VERSION" ]]; then
- VERSION="$GITHUB_REF_NAME"
- fi
- echo "version=${VERSION#v}" >> $GITHUB_OUTPUT
+ - name: Install native build dependencies
+ run: sudo apt-get update && sudo apt-get install -y pkg-config protobuf-compiler
+
+ - name: Set up Android SDK
+ uses: android-actions/setup-android@v3
+
+ - name: Set up Android NDK
+ id: setup-ndk
+ uses: nttld/setup-ndk@v1
+ with:
+ ndk-version: r28c
+ add-to-path: true
+
+ - name: Export Android NDK root
+ run: echo "ANDROID_NDK_ROOT=${{ steps.setup-ndk.outputs.ndk-path }}" >> "$GITHUB_ENV"
+
+ - name: Generate Android bindings
+ run: scripts/uniffi_bindgen_generate_kotlin_android.sh
 
  - name: Build with Gradle
  working-directory: bindings/kotlin/ldk-node-android
  run: ./gradlew build -Pversion=${{ steps.version.outputs.version }}
 
+ - name: Upload native debug symbols artifact
+ uses: actions/upload-artifact@v4
+ with:
+ name: ldk-node-native-debug-symbols-${{ steps.version.outputs.version }}
+ path: bindings/kotlin/ldk-node-android/native-debug-symbols.zip
+
+ - name: Upload native debug symbols to release
+ env:
+ GH_TOKEN: ${{ github.token }}
+ run: gh release upload "${{ steps.version.outputs.tag }}" bindings/kotlin/ldk-node-android/native-debug-symbols.zip --clobber
+
  - name: Publish to GitHub Packages
  working-directory: bindings/kotlin/ldk-node-android
  env:
  GITHUB_ACTOR: ${{ github.actor }}
- GITHUB_TOKEN: ${{ secrets.ORG_PACKAGES_TOKEN }}
+ GITHUB_TOKEN: ${{ github.token }}
  GITHUB_REPO: ${{ github.repository }}
  run: ./gradlew publish -Pversion=${{ steps.version.outputs.version }}

.gitignore

@@ -2,6 +2,7 @@
 # will have compiled files and executables
 /target/
 /bindings/uniffi-bindgen/target/
+/bindings/kotlin/ldk-node-android/native-debug-symbols.zip
 
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html

CHANGELOG.md

@@ -1,7 +1,9 @@
-# 0.7.0-rc.46 (Synonym Fork)
+# 0.7.0-rc.51 (Synonym Fork)
 
 ## Bug Fixes
 
+- Published stripped `ldk-node-android` artifacts with separate native debug symbols
+ and failed Android binding generation when generated JNI libraries lack usable symbols.
 - Persist missing announced channel peers from the network graph during
  build-time restore and after Rapid Gossip Sync graph updates. Automatic
  recovery respects explicit disconnects and last-channel closes during the

Cargo.toml

@@ -4,7 +4,7 @@ exclude = ["bindings/uniffi-bindgen"]
 
 [package]
 name = "ldk-node"
-version = "0.7.0-rc.46"
+version = "0.7.0-rc.51"
 authors = ["Elias Rohrer <dev@tnull.de>"]
 homepage = "https://lightningdevkit.org/"
 license = "MIT OR Apache-2.0"

Package.swift

@@ -3,8 +3,8 @@
 
 import PackageDescription
 
-let tag = "v0.7.0-rc.46"
-let checksum = "06558c2834c186d3da188389ef197942e948ac4f6f3261746e3594420ab0ee23"
+let tag = "v0.7.0-rc.51"
+let checksum = "efeec8d0480f1400c6a4203232359f5b3c4c338a4ba13826538cac12b8fe1bac"
 let url = "https://github.com/synonymdev/ldk-node/releases/download/\(tag)/LDKNodeFFI.xcframework.zip"
 
 let package = Package(

bindings/kotlin/ldk-node-android/gradle.properties

@@ -3,4 +3,4 @@ android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
 group=com.synonym
-version=0.7.0-rc.46
+version=0.7.0-rc.51

bindings/kotlin/ldk-node-android/lib/build.gradle.kts

@@ -1,3 +1,6 @@
+import java.io.ByteArrayOutputStream
+import java.io.File
+
 plugins {
  id("com.android.library")
  kotlin("android")
@@ -58,6 +61,107 @@ dependencies {
  api("org.slf4j:slf4j-api:1.7.30")
 }
 
+val androidNativeAbis = listOf("armeabi-v7a", "arm64-v8a", "x86_64")
+
+fun executableFromPath(name: String): String? {
+ return System.getenv("PATH")
+ ?.split(File.pathSeparator)
+ ?.asSequence()
+ ?.map { File(it, name) }
+ ?.firstOrNull { it.canExecute() }
+ ?.absolutePath
+}
+
+fun findReadelf(): String {
+ executableFromPath("llvm-readelf")?.let { return it }
+ executableFromPath("readelf")?.let { return it }
+
+ return listOf("ANDROID_NDK_ROOT", "ANDROID_NDK_HOME", "NDK_HOME")
+ .mapNotNull { System.getenv(it) }
+ .map { File(it, "toolchains/llvm/prebuilt") }
+ .firstNotNullOfOrNull { prebuiltDir ->
+ if (!prebuiltDir.isDirectory) return@firstNotNullOfOrNull null
+
+ prebuiltDir
+ .walkTopDown()
+ .firstOrNull { it.name == "llvm-readelf" && it.canExecute() }
+ ?.absolutePath
+ }
+ ?: throw GradleException(
+ "llvm-readelf or readelf is required to validate Android native debug symbols"
+ )
+}
+
+fun Project.runReadelf(readelf: String, vararg args: String): Pair<Int, String> {
+ val stdout = ByteArrayOutputStream()
+ val stderr = ByteArrayOutputStream()
+ val result = exec {
+ commandLine(readelf, *args)
+ standardOutput = stdout
+ errorOutput = stderr
+ isIgnoreExitValue = true
+ }
+
+ return result.exitValue to stdout.toString().ifBlank { stderr.toString() }
+}
+
+fun String.parseElfAlignment(): Long {
+ return if (startsWith("0x")) {
+ removePrefix("0x").toLong(16)
+ } else {
+ toLong()
+ }
+}
+
+val validateReleaseNativeLibraries by tasks.registering {
+ group = "verification"
+ description = "Validates release JNI libraries are stripped and keep 16 KB LOAD alignment."
+
+ doLast {
+ val readelf = findReadelf()
+ val loadAlignmentRegex = Regex("""^\s*LOAD\s+.*\s+(0x[0-9a-fA-F]+|\d+)\s*$""")
+
+ androidNativeAbis.forEach { abi ->
+ val lib = layout.projectDirectory.file("src/main/jniLibs/$abi/libldk_node.so").asFile
+ if (!lib.isFile) {
+ throw GradleException("Android native library missing at '${lib.path}'")
+ }
+
+ val (sectionsExit, sections) = runReadelf(readelf, "-S", lib.absolutePath)
+ if (sectionsExit != 0) {
+ throw GradleException("Unable to inspect Android native library sections: '${lib.path}'")
+ }
+ if (Regex("""\.debug_""").containsMatchIn(sections)) {
+ throw GradleException("Android release native library still contains .debug_* sections: '${lib.path}'")
+ }
+
+ val wideHeaders = runReadelf(readelf, "-W", "-l", lib.absolutePath)
+ val headers = if (wideHeaders.first == 0) {
+ wideHeaders.second
+ } else {
+ val fallbackHeaders = runReadelf(readelf, "-l", lib.absolutePath)
+ if (fallbackHeaders.first != 0) {
+ throw GradleException("Unable to inspect Android native library headers: '${lib.path}'")
+ }
+ fallbackHeaders.second
+ }
+
+ val alignments = headers
+ .lineSequence()
+ .mapNotNull { loadAlignmentRegex.matchEntire(it)?.groupValues?.get(1)?.parseElfAlignment() }
+ .toList()
+
+ if (alignments.isEmpty() || alignments.any { it < 16_384 }) {
+ throw GradleException("Android native library is not 16 KB page-size aligned: '${lib.path}'")
+ }
+ }
+ }
+}
+
+tasks.matching { it.name == "bundleReleaseAar" || it.name.startsWith("publish") }.configureEach {
+ dependsOn(validateReleaseNativeLibraries)
+}
+
 afterEvaluate {
  publishing {
  publications {
@@ -68,6 +172,10 @@ afterEvaluate {
  version = providers.gradleProperty("version").orNull ?: "0.0.0"
 
  from(components["release"])
+ artifact(rootProject.layout.projectDirectory.file("native-debug-symbols.zip")) {
+ classifier = "native-debug-symbols"
+ extension = "zip"
+ }
  pom {
  name.set(mavenArtifactId)
  description.set("LDK Node Android bindings (Synonym fork).")

.github/workflows/publish-android.yml

@@ -6,18 +6,32 @@ on:
  workflow_dispatch:
  inputs:
  version:
- description: "Version to publish (e.g., v0.1.0)"
+ description: "Version/tag to publish (e.g., v0.7.0-rc.50 or 0.7.0-rc.50)"
  required: true
 
 jobs:
  publish:
  runs-on: ubuntu-latest
  permissions:
- contents: read
+ contents: write
  packages: write
 
  steps:
+ - name: Normalize release version
+ id: version
+ shell: bash
+ run: |
+ VERSION="${{ github.event.inputs.version || github.event.release.tag_name || github.ref_name }}"
+ TAG="$VERSION"
+ if [[ "$TAG" != v* ]]; then
+ TAG="v$TAG"
+ fi
+ echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+ echo "version=${TAG#v}" >> "$GITHUB_OUTPUT"
+
  - uses: actions/checkout@v4
+ with:
+ ref: ${{ steps.version.outputs.tag }}
  - name: Set up JDK 17
  uses: actions/setup-java@v4
  with:
@@ -29,24 +43,44 @@ jobs:
  - name: Setup Gradle
  uses: gradle/actions/setup-gradle@v4
 
- - name: Extract version from input or tag
- id: version
- shell: bash
- run: |
- VERSION="${{ inputs.version }}"
- if [[ -z "$VERSION" ]]; then
- VERSION="$GITHUB_REF_NAME"
- fi
- echo "version=${VERSION#v}" >> $GITHUB_OUTPUT
+ - name: Install native build dependencies
+ run: sudo apt-get update && sudo apt-get install -y pkg-config protobuf-compiler
+
+ - name: Set up Android SDK
+ uses: android-actions/setup-android@v3
+
+ - name: Set up Android NDK
+ id: setup-ndk
+ uses: nttld/setup-ndk@v1
+ with:
+ ndk-version: r28c
+ add-to-path: true
+
+ - name: Export Android NDK root
+ run: echo "ANDROID_NDK_ROOT=${{ steps.setup-ndk.outputs.ndk-path }}" >> "$GITHUB_ENV"
+
+ - name: Generate Android bindings
+ run: scripts/uniffi_bindgen_generate_kotlin_android.sh
 
  - name: Build with Gradle
  working-directory: bindings/kotlin/ldk-node-android
  run: ./gradlew build -Pversion=${{ steps.version.outputs.version }}
 
+ - name: Upload native debug symbols artifact
+ uses: actions/upload-artifact@v4
+ with:
+ name: ldk-node-native-debug-symbols-${{ steps.version.outputs.version }}
+ path: bindings/kotlin/ldk-node-android/native-debug-symbols.zip
+
+ - name: Upload native debug symbols to release
+ env:
+ GH_TOKEN: ${{ github.token }}
+ run: gh release upload "${{ steps.version.outputs.tag }}" bindings/kotlin/ldk-node-android/native-debug-symbols.zip --clobber
+
  - name: Publish to GitHub Packages
  working-directory: bindings/kotlin/ldk-node-android
  env:
  GITHUB_ACTOR: ${{ github.actor }}
- GITHUB_TOKEN: ${{ secrets.ORG_PACKAGES_TOKEN }}
+ GITHUB_TOKEN: ${{ github.token }}
  GITHUB_REPO: ${{ github.repository }}
  run: ./gradlew publish -Pversion=${{ steps.version.outputs.version }}

.gitignore

@@ -2,6 +2,7 @@
 # will have compiled files and executables
 /target/
 /bindings/uniffi-bindgen/target/
+/bindings/kotlin/ldk-node-android/native-debug-symbols.zip
 
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html

CHANGELOG.md

@@ -1,7 +1,9 @@
-# 0.7.0-rc.46 (Synonym Fork)
+# 0.7.0-rc.51 (Synonym Fork)
 
 ## Bug Fixes
 
+- Published stripped `ldk-node-android` artifacts with separate native debug symbols
+ and failed Android binding generation when generated JNI libraries lack usable symbols.
 - Persist missing announced channel peers from the network graph during
  build-time restore and after Rapid Gossip Sync graph updates. Automatic
  recovery respects explicit disconnects and last-channel closes during the

Cargo.toml

@@ -4,7 +4,7 @@ exclude = ["bindings/uniffi-bindgen"]
 
 [package]
 name = "ldk-node"
-version = "0.7.0-rc.46"
+version = "0.7.0-rc.51"
 authors = ["Elias Rohrer <dev@tnull.de>"]
 homepage = "https://lightningdevkit.org/"
 license = "MIT OR Apache-2.0"

Package.swift

@@ -3,8 +3,8 @@
 
 import PackageDescription
 
-let tag = "v0.7.0-rc.46"
-let checksum = "06558c2834c186d3da188389ef197942e948ac4f6f3261746e3594420ab0ee23"
+let tag = "v0.7.0-rc.51"
+let checksum = "efeec8d0480f1400c6a4203232359f5b3c4c338a4ba13826538cac12b8fe1bac"
 let url = "https://github.com/synonymdev/ldk-node/releases/download/\(tag)/LDKNodeFFI.xcframework.zip"
 
 let package = Package(

bindings/kotlin/ldk-node-android/gradle.properties

@@ -3,4 +3,4 @@ android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
 group=com.synonym
-version=0.7.0-rc.46
+version=0.7.0-rc.51

bindings/kotlin/ldk-node-android/lib/build.gradle.kts

@@ -1,3 +1,6 @@
+import java.io.ByteArrayOutputStream
+import java.io.File
+
 plugins {
  id("com.android.library")
  kotlin("android")
@@ -58,6 +61,107 @@ dependencies {
  api("org.slf4j:slf4j-api:1.7.30")
 }
 
+val androidNativeAbis = listOf("armeabi-v7a", "arm64-v8a", "x86_64")
+
+fun executableFromPath(name: String): String? {
+ return System.getenv("PATH")
+ ?.split(File.pathSeparator)
+ ?.asSequence()
+ ?.map { File(it, name) }
+ ?.firstOrNull { it.canExecute() }
+ ?.absolutePath
+}
+
+fun findReadelf(): String {
+ executableFromPath("llvm-readelf")?.let { return it }
+ executableFromPath("readelf")?.let { return it }
+
+ return listOf("ANDROID_NDK_ROOT", "ANDROID_NDK_HOME", "NDK_HOME")
+ .mapNotNull { System.getenv(it) }
+ .map { File(it, "toolchains/llvm/prebuilt") }
+ .firstNotNullOfOrNull { prebuiltDir ->
+ if (!prebuiltDir.isDirectory) return@firstNotNullOfOrNull null
+
+ prebuiltDir
+ .walkTopDown()
+ .firstOrNull { it.name == "llvm-readelf" && it.canExecute() }
+ ?.absolutePath
+ }
+ ?: throw GradleException(
+ "llvm-readelf or readelf is required to validate Android native debug symbols"
+ )
+}
+
+fun Project.runReadelf(readelf: String, vararg args: String): Pair<Int, String> {
+ val stdout = ByteArrayOutputStream()
+ val stderr = ByteArrayOutputStream()
+ val result = exec {
+ commandLine(readelf, *args)
+ standardOutput = stdout
+ errorOutput = stderr
+ isIgnoreExitValue = true
+ }
+
+ return result.exitValue to stdout.toString().ifBlank { stderr.toString() }
+}
+
+fun String.parseElfAlignment(): Long {
+ return if (startsWith("0x")) {
+ removePrefix("0x").toLong(16)
+ } else {
+ toLong()
+ }
+}
+
+val validateReleaseNativeLibraries by tasks.registering {
+ group = "verification"
+ description = "Validates release JNI libraries are stripped and keep 16 KB LOAD alignment."
+
+ doLast {
+ val readelf = findReadelf()
+ val loadAlignmentRegex = Regex("""^\s*LOAD\s+.*\s+(0x[0-9a-fA-F]+|\d+)\s*$""")
+
+ androidNativeAbis.forEach { abi ->
+ val lib = layout.projectDirectory.file("src/main/jniLibs/$abi/libldk_node.so").asFile
+ if (!lib.isFile) {
+ throw GradleException("Android native library missing at '${lib.path}'")
+ }
+
+ val (sectionsExit, sections) = runReadelf(readelf, "-S", lib.absolutePath)
+ if (sectionsExit != 0) {
+ throw GradleException("Unable to inspect Android native library sections: '${lib.path}'")
+ }
+ if (Regex("""\.debug_""").containsMatchIn(sections)) {
+ throw GradleException("Android release native library still contains .debug_* sections: '${lib.path}'")
+ }
+
+ val wideHeaders = runReadelf(readelf, "-W", "-l", lib.absolutePath)
+ val headers = if (wideHeaders.first == 0) {
+ wideHeaders.second
+ } else {
+ val fallbackHeaders = runReadelf(readelf, "-l", lib.absolutePath)
+ if (fallbackHeaders.first != 0) {
+ throw GradleException("Unable to inspect Android native library headers: '${lib.path}'")
+ }
+ fallbackHeaders.second
+ }
+
+ val alignments = headers
+ .lineSequence()
+ .mapNotNull { loadAlignmentRegex.matchEntire(it)?.groupValues?.get(1)?.parseElfAlignment() }
+ .toList()
+
+ if (alignments.isEmpty() || alignments.any { it < 16_384 }) {
+ throw GradleException("Android native library is not 16 KB page-size aligned: '${lib.path}'")
+ }
+ }
+ }
+}
+
+tasks.matching { it.name == "bundleReleaseAar" || it.name.startsWith("publish") }.configureEach {
+ dependsOn(validateReleaseNativeLibraries)
+}
+
 afterEvaluate {
  publishing {
  publications {
@@ -68,6 +172,10 @@ afterEvaluate {
  version = providers.gradleProperty("version").orNull ?: "0.0.0"
 
  from(components["release"])
+ artifact(rootProject.layout.projectDirectory.file("native-debug-symbols.zip")) {
+ classifier = "native-debug-symbols"
+ extension = "zip"
+ }
  pom {
  name.set(mavenArtifactId)
  description.set("LDK Node Android bindings (Synonym fork).")

.github/workflows/publish-android.yml

@@ -6,18 +6,32 @@ on:
  workflow_dispatch:
  inputs:
  version:
- description: "Version to publish (e.g., v0.1.0)"
+ description: "Version/tag to publish (e.g., v0.7.0-rc.50 or 0.7.0-rc.50)"
  required: true
 
 jobs:
  publish:
  runs-on: ubuntu-latest
  permissions:
- contents: read
+ contents: write
  packages: write
 
  steps:
+ - name: Normalize release version
+ id: version
+ shell: bash
+ run: |
+ VERSION="${{ github.event.inputs.version || github.event.release.tag_name || github.ref_name }}"
+ TAG="$VERSION"
+ if [[ "$TAG" != v* ]]; then
+ TAG="v$TAG"
+ fi
+ echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+ echo "version=${TAG#v}" >> "$GITHUB_OUTPUT"
+
  - uses: actions/checkout@v4
+ with:
+ ref: ${{ steps.version.outputs.tag }}
  - name: Set up JDK 17
  uses: actions/setup-java@v4
  with:
@@ -29,24 +43,44 @@ jobs:
  - name: Setup Gradle
  uses: gradle/actions/setup-gradle@v4
 
- - name: Extract version from input or tag
- id: version
- shell: bash
- run: |
- VERSION="${{ inputs.version }}"
- if [[ -z "$VERSION" ]]; then
- VERSION="$GITHUB_REF_NAME"
- fi
- echo "version=${VERSION#v}" >> $GITHUB_OUTPUT
+ - name: Install native build dependencies
+ run: sudo apt-get update && sudo apt-get install -y pkg-config protobuf-compiler
+
+ - name: Set up Android SDK
+ uses: android-actions/setup-android@v3
+
+ - name: Set up Android NDK
+ id: setup-ndk
+ uses: nttld/setup-ndk@v1
+ with:
+ ndk-version: r28c
+ add-to-path: true
+
+ - name: Export Android NDK root
+ run: echo "ANDROID_NDK_ROOT=${{ steps.setup-ndk.outputs.ndk-path }}" >> "$GITHUB_ENV"
+
+ - name: Generate Android bindings
+ run: scripts/uniffi_bindgen_generate_kotlin_android.sh
 
  - name: Build with Gradle
  working-directory: bindings/kotlin/ldk-node-android
  run: ./gradlew build -Pversion=${{ steps.version.outputs.version }}
 
+ - name: Upload native debug symbols artifact
+ uses: actions/upload-artifact@v4
+ with:
+ name: ldk-node-native-debug-symbols-${{ steps.version.outputs.version }}
+ path: bindings/kotlin/ldk-node-android/native-debug-symbols.zip
+
+ - name: Upload native debug symbols to release
+ env:
+ GH_TOKEN: ${{ github.token }}
+ run: gh release upload "${{ steps.version.outputs.tag }}" bindings/kotlin/ldk-node-android/native-debug-symbols.zip --clobber
+
  - name: Publish to GitHub Packages
  working-directory: bindings/kotlin/ldk-node-android
  env:
  GITHUB_ACTOR: ${{ github.actor }}
- GITHUB_TOKEN: ${{ secrets.ORG_PACKAGES_TOKEN }}
+ GITHUB_TOKEN: ${{ github.token }}
  GITHUB_REPO: ${{ github.repository }}
  run: ./gradlew publish -Pversion=${{ steps.version.outputs.version }}

.gitignore

@@ -2,6 +2,7 @@
 # will have compiled files and executables
 /target/
 /bindings/uniffi-bindgen/target/
+/bindings/kotlin/ldk-node-android/native-debug-symbols.zip
 
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html

CHANGELOG.md

@@ -1,7 +1,9 @@
-# 0.7.0-rc.46 (Synonym Fork)
+# 0.7.0-rc.51 (Synonym Fork)
 
 ## Bug Fixes
 
+- Published stripped `ldk-node-android` artifacts with separate native debug symbols
+ and failed Android binding generation when generated JNI libraries lack usable symbols.
 - Persist missing announced channel peers from the network graph during
  build-time restore and after Rapid Gossip Sync graph updates. Automatic
  recovery respects explicit disconnects and last-channel closes during the

Cargo.toml

@@ -4,7 +4,7 @@ exclude = ["bindings/uniffi-bindgen"]
 
 [package]
 name = "ldk-node"
-version = "0.7.0-rc.46"
+version = "0.7.0-rc.51"
 authors = ["Elias Rohrer <dev@tnull.de>"]
 homepage = "https://lightningdevkit.org/"
 license = "MIT OR Apache-2.0"

Package.swift

@@ -3,8 +3,8 @@
 
 import PackageDescription
 
-let tag = "v0.7.0-rc.46"
-let checksum = "06558c2834c186d3da188389ef197942e948ac4f6f3261746e3594420ab0ee23"
+let tag = "v0.7.0-rc.51"
+let checksum = "efeec8d0480f1400c6a4203232359f5b3c4c338a4ba13826538cac12b8fe1bac"
 let url = "https://github.com/synonymdev/ldk-node/releases/download/\(tag)/LDKNodeFFI.xcframework.zip"
 
 let package = Package(

bindings/kotlin/ldk-node-android/gradle.properties

@@ -3,4 +3,4 @@ android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
 group=com.synonym
-version=0.7.0-rc.46
+version=0.7.0-rc.51

bindings/kotlin/ldk-node-android/lib/build.gradle.kts

@@ -1,3 +1,6 @@
+import java.io.ByteArrayOutputStream
+import java.io.File
+
 plugins {
  id("com.android.library")
  kotlin("android")
@@ -58,6 +61,107 @@ dependencies {
  api("org.slf4j:slf4j-api:1.7.30")
 }
 
+val androidNativeAbis = listOf("armeabi-v7a", "arm64-v8a", "x86_64")
+
+fun executableFromPath(name: String): String? {
+ return System.getenv("PATH")
+ ?.split(File.pathSeparator)
+ ?.asSequence()
+ ?.map { File(it, name) }
+ ?.firstOrNull { it.canExecute() }
+ ?.absolutePath
+}
+
+fun findReadelf(): String {
+ executableFromPath("llvm-readelf")?.let { return it }
+ executableFromPath("readelf")?.let { return it }
+
+ return listOf("ANDROID_NDK_ROOT", "ANDROID_NDK_HOME", "NDK_HOME")
+ .mapNotNull { System.getenv(it) }
+ .map { File(it, "toolchains/llvm/prebuilt") }
+ .firstNotNullOfOrNull { prebuiltDir ->
+ if (!prebuiltDir.isDirectory) return@firstNotNullOfOrNull null
+
+ prebuiltDir
+ .walkTopDown()
+ .firstOrNull { it.name == "llvm-readelf" && it.canExecute() }
+ ?.absolutePath
+ }
+ ?: throw GradleException(
+ "llvm-readelf or readelf is required to validate Android native debug symbols"
+ )
+}
+
+fun Project.runReadelf(readelf: String, vararg args: String): Pair<Int, String> {
+ val stdout = ByteArrayOutputStream()
+ val stderr = ByteArrayOutputStream()
+ val result = exec {
+ commandLine(readelf, *args)
+ standardOutput = stdout
+ errorOutput = stderr
+ isIgnoreExitValue = true
+ }
+
+ return result.exitValue to stdout.toString().ifBlank { stderr.toString() }
+}
+
+fun String.parseElfAlignment(): Long {
+ return if (startsWith("0x")) {
+ removePrefix("0x").toLong(16)
+ } else {
+ toLong()
+ }
+}
+
+val validateReleaseNativeLibraries by tasks.registering {
+ group = "verification"
+ description = "Validates release JNI libraries are stripped and keep 16 KB LOAD alignment."
+
+ doLast {
+ val readelf = findReadelf()
+ val loadAlignmentRegex = Regex("""^\s*LOAD\s+.*\s+(0x[0-9a-fA-F]+|\d+)\s*$""")
+
+ androidNativeAbis.forEach { abi ->
+ val lib = layout.projectDirectory.file("src/main/jniLibs/$abi/libldk_node.so").asFile
+ if (!lib.isFile) {
+ throw GradleException("Android native library missing at '${lib.path}'")
+ }
+
+ val (sectionsExit, sections) = runReadelf(readelf, "-S", lib.absolutePath)
+ if (sectionsExit != 0) {
+ throw GradleException("Unable to inspect Android native library sections: '${lib.path}'")
+ }
+ if (Regex("""\.debug_""").containsMatchIn(sections)) {
+ throw GradleException("Android release native library still contains .debug_* sections: '${lib.path}'")
+ }
+
+ val wideHeaders = runReadelf(readelf, "-W", "-l", lib.absolutePath)
+ val headers = if (wideHeaders.first == 0) {
+ wideHeaders.second
+ } else {
+ val fallbackHeaders = runReadelf(readelf, "-l", lib.absolutePath)
+ if (fallbackHeaders.first != 0) {
+ throw GradleException("Unable to inspect Android native library headers: '${lib.path}'")
+ }
+ fallbackHeaders.second
+ }
+
+ val alignments = headers
+ .lineSequence()
+ .mapNotNull { loadAlignmentRegex.matchEntire(it)?.groupValues?.get(1)?.parseElfAlignment() }
+ .toList()
+
+ if (alignments.isEmpty() || alignments.any { it < 16_384 }) {
+ throw GradleException("Android native library is not 16 KB page-size aligned: '${lib.path}'")
+ }
+ }
+ }
+}
+
+tasks.matching { it.name == "bundleReleaseAar" || it.name.startsWith("publish") }.configureEach {
+ dependsOn(validateReleaseNativeLibraries)
+}
+
 afterEvaluate {
  publishing {
  publications {
@@ -68,6 +172,10 @@ afterEvaluate {
  version = providers.gradleProperty("version").orNull ?: "0.0.0"
 
  from(components["release"])
+ artifact(rootProject.layout.projectDirectory.file("native-debug-symbols.zip")) {
+ classifier = "native-debug-symbols"
+ extension = "zip"
+ }
  pom {
  name.set(mavenArtifactId)
  description.set("LDK Node Android bindings (Synonym fork).")

.github/workflows/publish-android.yml

@@ -6,18 +6,32 @@ on:
  workflow_dispatch:
  inputs:
  version:
- description: "Version to publish (e.g., v0.1.0)"
+ description: "Version/tag to publish (e.g., v0.7.0-rc.50 or 0.7.0-rc.50)"
  required: true
 
 jobs:
  publish:
  runs-on: ubuntu-latest
  permissions:
- contents: read
+ contents: write
  packages: write
 
  steps:
+ - name: Normalize release version
+ id: version
+ shell: bash
+ run: |
+ VERSION="${{ github.event.inputs.version || github.event.release.tag_name || github.ref_name }}"
+ TAG="$VERSION"
+ if [[ "$TAG" != v* ]]; then
+ TAG="v$TAG"
+ fi
+ echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+ echo "version=${TAG#v}" >> "$GITHUB_OUTPUT"
+
  - uses: actions/checkout@v4
+ with:
+ ref: ${{ steps.version.outputs.tag }}
  - name: Set up JDK 17
  uses: actions/setup-java@v4
  with:
@@ -29,24 +43,44 @@ jobs:
  - name: Setup Gradle
  uses: gradle/actions/setup-gradle@v4
 
- - name: Extract version from input or tag
- id: version
- shell: bash
- run: |
- VERSION="${{ inputs.version }}"
- if [[ -z "$VERSION" ]]; then
- VERSION="$GITHUB_REF_NAME"
- fi
- echo "version=${VERSION#v}" >> $GITHUB_OUTPUT
+ - name: Install native build dependencies
+ run: sudo apt-get update && sudo apt-get install -y pkg-config protobuf-compiler
+
+ - name: Set up Android SDK
+ uses: android-actions/setup-android@v3
+
+ - name: Set up Android NDK
+ id: setup-ndk
+ uses: nttld/setup-ndk@v1
+ with:
+ ndk-version: r28c
+ add-to-path: true
+
+ - name: Export Android NDK root
+ run: echo "ANDROID_NDK_ROOT=${{ steps.setup-ndk.outputs.ndk-path }}" >> "$GITHUB_ENV"
+
+ - name: Generate Android bindings
+ run: scripts/uniffi_bindgen_generate_kotlin_android.sh
 
  - name: Build with Gradle
  working-directory: bindings/kotlin/ldk-node-android
  run: ./gradlew build -Pversion=${{ steps.version.outputs.version }}
 
+ - name: Upload native debug symbols artifact
+ uses: actions/upload-artifact@v4
+ with:
+ name: ldk-node-native-debug-symbols-${{ steps.version.outputs.version }}
+ path: bindings/kotlin/ldk-node-android/native-debug-symbols.zip
+
+ - name: Upload native debug symbols to release
+ env:
+ GH_TOKEN: ${{ github.token }}
+ run: gh release upload "${{ steps.version.outputs.tag }}" bindings/kotlin/ldk-node-android/native-debug-symbols.zip --clobber
+
  - name: Publish to GitHub Packages
  working-directory: bindings/kotlin/ldk-node-android
  env:
  GITHUB_ACTOR: ${{ github.actor }}
- GITHUB_TOKEN: ${{ secrets.ORG_PACKAGES_TOKEN }}
+ GITHUB_TOKEN: ${{ github.token }}
  GITHUB_REPO: ${{ github.repository }}
  run: ./gradlew publish -Pversion=${{ steps.version.outputs.version }}

.gitignore

@@ -2,6 +2,7 @@
 # will have compiled files and executables
 /target/
 /bindings/uniffi-bindgen/target/
+/bindings/kotlin/ldk-node-android/native-debug-symbols.zip
 
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html

CHANGELOG.md

@@ -1,7 +1,9 @@
-# 0.7.0-rc.46 (Synonym Fork)
+# 0.7.0-rc.51 (Synonym Fork)
 
 ## Bug Fixes
 
+- Published stripped `ldk-node-android` artifacts with separate native debug symbols
+ and failed Android binding generation when generated JNI libraries lack usable symbols.
 - Persist missing announced channel peers from the network graph during
  build-time restore and after Rapid Gossip Sync graph updates. Automatic
  recovery respects explicit disconnects and last-channel closes during the

Cargo.toml

@@ -4,7 +4,7 @@ exclude = ["bindings/uniffi-bindgen"]
 
 [package]
 name = "ldk-node"
-version = "0.7.0-rc.46"
+version = "0.7.0-rc.51"
 authors = ["Elias Rohrer <dev@tnull.de>"]
 homepage = "https://lightningdevkit.org/"
 license = "MIT OR Apache-2.0"

Package.swift

@@ -3,8 +3,8 @@
 
 import PackageDescription
 
-let tag = "v0.7.0-rc.46"
-let checksum = "06558c2834c186d3da188389ef197942e948ac4f6f3261746e3594420ab0ee23"
+let tag = "v0.7.0-rc.51"
+let checksum = "efeec8d0480f1400c6a4203232359f5b3c4c338a4ba13826538cac12b8fe1bac"
 let url = "https://github.com/synonymdev/ldk-node/releases/download/\(tag)/LDKNodeFFI.xcframework.zip"
 
 let package = Package(

bindings/kotlin/ldk-node-android/gradle.properties

@@ -3,4 +3,4 @@ android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
 group=com.synonym
-version=0.7.0-rc.46
+version=0.7.0-rc.51

bindings/kotlin/ldk-node-android/lib/build.gradle.kts

@@ -1,3 +1,6 @@
+import java.io.ByteArrayOutputStream
+import java.io.File
+
 plugins {
  id("com.android.library")
  kotlin("android")
@@ -58,6 +61,107 @@ dependencies {
  api("org.slf4j:slf4j-api:1.7.30")
 }
 
+val androidNativeAbis = listOf("armeabi-v7a", "arm64-v8a", "x86_64")
+
+fun executableFromPath(name: String): String? {
+ return System.getenv("PATH")
+ ?.split(File.pathSeparator)
+ ?.asSequence()
+ ?.map { File(it, name) }
+ ?.firstOrNull { it.canExecute() }
+ ?.absolutePath
+}
+
+fun findReadelf(): String {
+ executableFromPath("llvm-readelf")?.let { return it }
+ executableFromPath("readelf")?.let { return it }
+
+ return listOf("ANDROID_NDK_ROOT", "ANDROID_NDK_HOME", "NDK_HOME")
+ .mapNotNull { System.getenv(it) }
+ .map { File(it, "toolchains/llvm/prebuilt") }
+ .firstNotNullOfOrNull { prebuiltDir ->
+ if (!prebuiltDir.isDirectory) return@firstNotNullOfOrNull null
+
+ prebuiltDir
+ .walkTopDown()
+ .firstOrNull { it.name == "llvm-readelf" && it.canExecute() }
+ ?.absolutePath
+ }
+ ?: throw GradleException(
+ "llvm-readelf or readelf is required to validate Android native debug symbols"
+ )
+}
+
+fun Project.runReadelf(readelf: String, vararg args: String): Pair<Int, String> {
+ val stdout = ByteArrayOutputStream()
+ val stderr = ByteArrayOutputStream()
+ val result = exec {
+ commandLine(readelf, *args)
+ standardOutput = stdout
+ errorOutput = stderr
+ isIgnoreExitValue = true
+ }
+
+ return result.exitValue to stdout.toString().ifBlank { stderr.toString() }
+}
+
+fun String.parseElfAlignment(): Long {
+ return if (startsWith("0x")) {
+ removePrefix("0x").toLong(16)
+ } else {
+ toLong()
+ }
+}
+
+val validateReleaseNativeLibraries by tasks.registering {
+ group = "verification"
+ description = "Validates release JNI libraries are stripped and keep 16 KB LOAD alignment."
+
+ doLast {
+ val readelf = findReadelf()
+ val loadAlignmentRegex = Regex("""^\s*LOAD\s+.*\s+(0x[0-9a-fA-F]+|\d+)\s*$""")
+
+ androidNativeAbis.forEach { abi ->
+ val lib = layout.projectDirectory.file("src/main/jniLibs/$abi/libldk_node.so").asFile
+ if (!lib.isFile) {
+ throw GradleException("Android native library missing at '${lib.path}'")
+ }
+
+ val (sectionsExit, sections) = runReadelf(readelf, "-S", lib.absolutePath)
+ if (sectionsExit != 0) {
+ throw GradleException("Unable to inspect Android native library sections: '${lib.path}'")
+ }
+ if (Regex("""\.debug_""").containsMatchIn(sections)) {
+ throw GradleException("Android release native library still contains .debug_* sections: '${lib.path}'")
+ }
+
+ val wideHeaders = runReadelf(readelf, "-W", "-l", lib.absolutePath)
+ val headers = if (wideHeaders.first == 0) {
+ wideHeaders.second
+ } else {
+ val fallbackHeaders = runReadelf(readelf, "-l", lib.absolutePath)
+ if (fallbackHeaders.first != 0) {
+ throw GradleException("Unable to inspect Android native library headers: '${lib.path}'")
+ }
+ fallbackHeaders.second
+ }
+
+ val alignments = headers
+ .lineSequence()
+ .mapNotNull { loadAlignmentRegex.matchEntire(it)?.groupValues?.get(1)?.parseElfAlignment() }
+ .toList()
+
+ if (alignments.isEmpty() || alignments.any { it < 16_384 }) {
+ throw GradleException("Android native library is not 16 KB page-size aligned: '${lib.path}'")
+ }
+ }
+ }
+}
+
+tasks.matching { it.name == "bundleReleaseAar" || it.name.startsWith("publish") }.configureEach {
+ dependsOn(validateReleaseNativeLibraries)
+}
+
 afterEvaluate {
  publishing {
  publications {
@@ -68,6 +172,10 @@ afterEvaluate {
  version = providers.gradleProperty("version").orNull ?: "0.0.0"
 
  from(components["release"])
+ artifact(rootProject.layout.projectDirectory.file("native-debug-symbols.zip")) {
+ classifier = "native-debug-symbols"
+ extension = "zip"
+ }
  pom {
  name.set(mavenArtifactId)
  description.set("LDK Node Android bindings (Synonym fork).")

.github/workflows/publish-android.yml

@@ -6,18 +6,32 @@ on:
  workflow_dispatch:
  inputs:
  version:
- description: "Version to publish (e.g., v0.1.0)"
+ description: "Version/tag to publish (e.g., v0.7.0-rc.50 or 0.7.0-rc.50)"
  required: true
 
 jobs:
  publish:
  runs-on: ubuntu-latest
  permissions:
- contents: read
+ contents: write
  packages: write
 
  steps:
+ - name: Normalize release version
+ id: version
+ shell: bash
+ run: |
+ VERSION="${{ github.event.inputs.version || github.event.release.tag_name || github.ref_name }}"
+ TAG="$VERSION"
+ if [[ "$TAG" != v* ]]; then
+ TAG="v$TAG"
+ fi
+ echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+ echo "version=${TAG#v}" >> "$GITHUB_OUTPUT"
+
  - uses: actions/checkout@v4
+ with:
+ ref: ${{ steps.version.outputs.tag }}
  - name: Set up JDK 17
  uses: actions/setup-java@v4
  with:
@@ -29,24 +43,44 @@ jobs:
  - name: Setup Gradle
  uses: gradle/actions/setup-gradle@v4
 
- - name: Extract version from input or tag
- id: version
- shell: bash
- run: |
- VERSION="${{ inputs.version }}"
- if [[ -z "$VERSION" ]]; then
- VERSION="$GITHUB_REF_NAME"
- fi
- echo "version=${VERSION#v}" >> $GITHUB_OUTPUT
+ - name: Install native build dependencies
+ run: sudo apt-get update && sudo apt-get install -y pkg-config protobuf-compiler
+
+ - name: Set up Android SDK
+ uses: android-actions/setup-android@v3
+
+ - name: Set up Android NDK
+ id: setup-ndk
+ uses: nttld/setup-ndk@v1
+ with:
+ ndk-version: r28c
+ add-to-path: true
+
+ - name: Export Android NDK root
+ run: echo "ANDROID_NDK_ROOT=${{ steps.setup-ndk.outputs.ndk-path }}" >> "$GITHUB_ENV"
+
+ - name: Generate Android bindings
+ run: scripts/uniffi_bindgen_generate_kotlin_android.sh
 
  - name: Build with Gradle
  working-directory: bindings/kotlin/ldk-node-android
  run: ./gradlew build -Pversion=${{ steps.version.outputs.version }}
 
+ - name: Upload native debug symbols artifact
+ uses: actions/upload-artifact@v4
+ with:
+ name: ldk-node-native-debug-symbols-${{ steps.version.outputs.version }}
+ path: bindings/kotlin/ldk-node-android/native-debug-symbols.zip
+
+ - name: Upload native debug symbols to release
+ env:
+ GH_TOKEN: ${{ github.token }}
+ run: gh release upload "${{ steps.version.outputs.tag }}" bindings/kotlin/ldk-node-android/native-debug-symbols.zip --clobber
+
  - name: Publish to GitHub Packages
  working-directory: bindings/kotlin/ldk-node-android
  env:
  GITHUB_ACTOR: ${{ github.actor }}
- GITHUB_TOKEN: ${{ secrets.ORG_PACKAGES_TOKEN }}
+ GITHUB_TOKEN: ${{ github.token }}
  GITHUB_REPO: ${{ github.repository }}
  run: ./gradlew publish -Pversion=${{ steps.version.outputs.version }}

.gitignore

@@ -2,6 +2,7 @@
 # will have compiled files and executables
 /target/
 /bindings/uniffi-bindgen/target/
+/bindings/kotlin/ldk-node-android/native-debug-symbols.zip
 
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html

CHANGELOG.md

@@ -1,7 +1,9 @@
-# 0.7.0-rc.46 (Synonym Fork)
+# 0.7.0-rc.51 (Synonym Fork)
 
 ## Bug Fixes
 
+- Published stripped `ldk-node-android` artifacts with separate native debug symbols
+ and failed Android binding generation when generated JNI libraries lack usable symbols.
 - Persist missing announced channel peers from the network graph during
  build-time restore and after Rapid Gossip Sync graph updates. Automatic
  recovery respects explicit disconnects and last-channel closes during the

Cargo.toml

@@ -4,7 +4,7 @@ exclude = ["bindings/uniffi-bindgen"]
 
 [package]
 name = "ldk-node"
-version = "0.7.0-rc.46"
+version = "0.7.0-rc.51"
 authors = ["Elias Rohrer <dev@tnull.de>"]
 homepage = "https://lightningdevkit.org/"
 license = "MIT OR Apache-2.0"

Package.swift

@@ -3,8 +3,8 @@
 
 import PackageDescription
 
-let tag = "v0.7.0-rc.46"
-let checksum = "06558c2834c186d3da188389ef197942e948ac4f6f3261746e3594420ab0ee23"
+let tag = "v0.7.0-rc.51"
+let checksum = "efeec8d0480f1400c6a4203232359f5b3c4c338a4ba13826538cac12b8fe1bac"
 let url = "https://github.com/synonymdev/ldk-node/releases/download/\(tag)/LDKNodeFFI.xcframework.zip"
 
 let package = Package(

bindings/kotlin/ldk-node-android/gradle.properties

@@ -3,4 +3,4 @@ android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
 group=com.synonym
-version=0.7.0-rc.46
+version=0.7.0-rc.51

bindings/kotlin/ldk-node-android/lib/build.gradle.kts

@@ -1,3 +1,6 @@
+import java.io.ByteArrayOutputStream
+import java.io.File
+
 plugins {
  id("com.android.library")
  kotlin("android")
@@ -58,6 +61,107 @@ dependencies {
  api("org.slf4j:slf4j-api:1.7.30")
 }
 
+val androidNativeAbis = listOf("armeabi-v7a", "arm64-v8a", "x86_64")
+
+fun executableFromPath(name: String): String? {
+ return System.getenv("PATH")
+ ?.split(File.pathSeparator)
+ ?.asSequence()
+ ?.map { File(it, name) }
+ ?.firstOrNull { it.canExecute() }
+ ?.absolutePath
+}
+
+fun findReadelf(): String {
+ executableFromPath("llvm-readelf")?.let { return it }
+ executableFromPath("readelf")?.let { return it }
+
+ return listOf("ANDROID_NDK_ROOT", "ANDROID_NDK_HOME", "NDK_HOME")
+ .mapNotNull { System.getenv(it) }
+ .map { File(it, "toolchains/llvm/prebuilt") }
+ .firstNotNullOfOrNull { prebuiltDir ->
+ if (!prebuiltDir.isDirectory) return@firstNotNullOfOrNull null
+
+ prebuiltDir
+ .walkTopDown()
+ .firstOrNull { it.name == "llvm-readelf" && it.canExecute() }
+ ?.absolutePath
+ }
+ ?: throw GradleException(
+ "llvm-readelf or readelf is required to validate Android native debug symbols"
+ )
+}
+
+fun Project.runReadelf(readelf: String, vararg args: String): Pair<Int, String> {
+ val stdout = ByteArrayOutputStream()
+ val stderr = ByteArrayOutputStream()
+ val result = exec {
+ commandLine(readelf, *args)
+ standardOutput = stdout
+ errorOutput = stderr
+ isIgnoreExitValue = true
+ }
+
+ return result.exitValue to stdout.toString().ifBlank { stderr.toString() }
+}
+
+fun String.parseElfAlignment(): Long {
+ return if (startsWith("0x")) {
+ removePrefix("0x").toLong(16)
+ } else {
+ toLong()
+ }
+}
+
+val validateReleaseNativeLibraries by tasks.registering {
+ group = "verification"
+ description = "Validates release JNI libraries are stripped and keep 16 KB LOAD alignment."
+
+ doLast {
+ val readelf = findReadelf()
+ val loadAlignmentRegex = Regex("""^\s*LOAD\s+.*\s+(0x[0-9a-fA-F]+|\d+)\s*$""")
+
+ androidNativeAbis.forEach { abi ->
+ val lib = layout.projectDirectory.file("src/main/jniLibs/$abi/libldk_node.so").asFile
+ if (!lib.isFile) {
+ throw GradleException("Android native library missing at '${lib.path}'")
+ }
+
+ val (sectionsExit, sections) = runReadelf(readelf, "-S", lib.absolutePath)
+ if (sectionsExit != 0) {
+ throw GradleException("Unable to inspect Android native library sections: '${lib.path}'")
+ }
+ if (Regex("""\.debug_""").containsMatchIn(sections)) {
+ throw GradleException("Android release native library still contains .debug_* sections: '${lib.path}'")
+ }
+
+ val wideHeaders = runReadelf(readelf, "-W", "-l", lib.absolutePath)
+ val headers = if (wideHeaders.first == 0) {
+ wideHeaders.second
+ } else {
+ val fallbackHeaders = runReadelf(readelf, "-l", lib.absolutePath)
+ if (fallbackHeaders.first != 0) {
+ throw GradleException("Unable to inspect Android native library headers: '${lib.path}'")
+ }
+ fallbackHeaders.second
+ }
+
+ val alignments = headers
+ .lineSequence()
+ .mapNotNull { loadAlignmentRegex.matchEntire(it)?.groupValues?.get(1)?.parseElfAlignment() }
+ .toList()
+
+ if (alignments.isEmpty() || alignments.any { it < 16_384 }) {
+ throw GradleException("Android native library is not 16 KB page-size aligned: '${lib.path}'")
+ }
+ }
+ }
+}
+
+tasks.matching { it.name == "bundleReleaseAar" || it.name.startsWith("publish") }.configureEach {
+ dependsOn(validateReleaseNativeLibraries)
+}
+
 afterEvaluate {
  publishing {
  publications {
@@ -68,6 +172,10 @@ afterEvaluate {
  version = providers.gradleProperty("version").orNull ?: "0.0.0"
 
  from(components["release"])
+ artifact(rootProject.layout.projectDirectory.file("native-debug-symbols.zip")) {
+ classifier = "native-debug-symbols"
+ extension = "zip"
+ }
  pom {
  name.set(mavenArtifactId)
  description.set("LDK Node Android bindings (Synonym fork).")

.github/workflows/publish-android.yml

@@ -6,18 +6,32 @@ on:
  workflow_dispatch:
  inputs:
  version:
- description: "Version to publish (e.g., v0.1.0)"
+ description: "Version/tag to publish (e.g., v0.7.0-rc.50 or 0.7.0-rc.50)"
  required: true
 
 jobs:
  publish:
  runs-on: ubuntu-latest
  permissions:
- contents: read
+ contents: write
  packages: write
 
  steps:
+ - name: Normalize release version
+ id: version
+ shell: bash
+ run: |
+ VERSION="${{ github.event.inputs.version || github.event.release.tag_name || github.ref_name }}"
+ TAG="$VERSION"
+ if [[ "$TAG" != v* ]]; then
+ TAG="v$TAG"
+ fi
+ echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+ echo "version=${TAG#v}" >> "$GITHUB_OUTPUT"
+
  - uses: actions/checkout@v4
+ with:
+ ref: ${{ steps.version.outputs.tag }}
  - name: Set up JDK 17
  uses: actions/setup-java@v4
  with:
@@ -29,24 +43,44 @@ jobs:
  - name: Setup Gradle
  uses: gradle/actions/setup-gradle@v4
 
- - name: Extract version from input or tag
- id: version
- shell: bash
- run: |
- VERSION="${{ inputs.version }}"
- if [[ -z "$VERSION" ]]; then
- VERSION="$GITHUB_REF_NAME"
- fi
- echo "version=${VERSION#v}" >> $GITHUB_OUTPUT
+ - name: Install native build dependencies
+ run: sudo apt-get update && sudo apt-get install -y pkg-config protobuf-compiler
+
+ - name: Set up Android SDK
+ uses: android-actions/setup-android@v3
+
+ - name: Set up Android NDK
+ id: setup-ndk
+ uses: nttld/setup-ndk@v1
+ with:
+ ndk-version: r28c
+ add-to-path: true
+
+ - name: Export Android NDK root
+ run: echo "ANDROID_NDK_ROOT=${{ steps.setup-ndk.outputs.ndk-path }}" >> "$GITHUB_ENV"
+
+ - name: Generate Android bindings
+ run: scripts/uniffi_bindgen_generate_kotlin_android.sh
 
  - name: Build with Gradle
  working-directory: bindings/kotlin/ldk-node-android
  run: ./gradlew build -Pversion=${{ steps.version.outputs.version }}
 
+ - name: Upload native debug symbols artifact
+ uses: actions/upload-artifact@v4
+ with:
+ name: ldk-node-native-debug-symbols-${{ steps.version.outputs.version }}
+ path: bindings/kotlin/ldk-node-android/native-debug-symbols.zip
+
+ - name: Upload native debug symbols to release
+ env:
+ GH_TOKEN: ${{ github.token }}
+ run: gh release upload "${{ steps.version.outputs.tag }}" bindings/kotlin/ldk-node-android/native-debug-symbols.zip --clobber
+
  - name: Publish to GitHub Packages
  working-directory: bindings/kotlin/ldk-node-android
  env:
  GITHUB_ACTOR: ${{ github.actor }}
- GITHUB_TOKEN: ${{ secrets.ORG_PACKAGES_TOKEN }}
+ GITHUB_TOKEN: ${{ github.token }}
  GITHUB_REPO: ${{ github.repository }}
  run: ./gradlew publish -Pversion=${{ steps.version.outputs.version }}

.gitignore

@@ -2,6 +2,7 @@
 # will have compiled files and executables
 /target/
 /bindings/uniffi-bindgen/target/
+/bindings/kotlin/ldk-node-android/native-debug-symbols.zip
 
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html

CHANGELOG.md

@@ -1,7 +1,9 @@
-# 0.7.0-rc.46 (Synonym Fork)
+# 0.7.0-rc.51 (Synonym Fork)
 
 ## Bug Fixes
 
+- Published stripped `ldk-node-android` artifacts with separate native debug symbols
+ and failed Android binding generation when generated JNI libraries lack usable symbols.
 - Persist missing announced channel peers from the network graph during
  build-time restore and after Rapid Gossip Sync graph updates. Automatic
  recovery respects explicit disconnects and last-channel closes during the

Cargo.toml

@@ -4,7 +4,7 @@ exclude = ["bindings/uniffi-bindgen"]
 
 [package]
 name = "ldk-node"
-version = "0.7.0-rc.46"
+version = "0.7.0-rc.51"
 authors = ["Elias Rohrer <dev@tnull.de>"]
 homepage = "https://lightningdevkit.org/"
 license = "MIT OR Apache-2.0"

Package.swift

@@ -3,8 +3,8 @@
 
 import PackageDescription
 
-let tag = "v0.7.0-rc.46"
-let checksum = "06558c2834c186d3da188389ef197942e948ac4f6f3261746e3594420ab0ee23"
+let tag = "v0.7.0-rc.51"
+let checksum = "efeec8d0480f1400c6a4203232359f5b3c4c338a4ba13826538cac12b8fe1bac"
 let url = "https://github.com/synonymdev/ldk-node/releases/download/\(tag)/LDKNodeFFI.xcframework.zip"
 
 let package = Package(

bindings/kotlin/ldk-node-android/gradle.properties

@@ -3,4 +3,4 @@ android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
 group=com.synonym
-version=0.7.0-rc.46
+version=0.7.0-rc.51

bindings/kotlin/ldk-node-android/lib/build.gradle.kts

@@ -1,3 +1,6 @@
+import java.io.ByteArrayOutputStream
+import java.io.File
+
 plugins {
  id("com.android.library")
  kotlin("android")
@@ -58,6 +61,107 @@ dependencies {
  api("org.slf4j:slf4j-api:1.7.30")
 }
 
+val androidNativeAbis = listOf("armeabi-v7a", "arm64-v8a", "x86_64")
+
+fun executableFromPath(name: String): String? {
+ return System.getenv("PATH")
+ ?.split(File.pathSeparator)
+ ?.asSequence()
+ ?.map { File(it, name) }
+ ?.firstOrNull { it.canExecute() }
+ ?.absolutePath
+}
+
+fun findReadelf(): String {
+ executableFromPath("llvm-readelf")?.let { return it }
+ executableFromPath("readelf")?.let { return it }
+
+ return listOf("ANDROID_NDK_ROOT", "ANDROID_NDK_HOME", "NDK_HOME")
+ .mapNotNull { System.getenv(it) }
+ .map { File(it, "toolchains/llvm/prebuilt") }
+ .firstNotNullOfOrNull { prebuiltDir ->
+ if (!prebuiltDir.isDirectory) return@firstNotNullOfOrNull null
+
+ prebuiltDir
+ .walkTopDown()
+ .firstOrNull { it.name == "llvm-readelf" && it.canExecute() }
+ ?.absolutePath
+ }
+ ?: throw GradleException(
+ "llvm-readelf or readelf is required to validate Android native debug symbols"
+ )
+}
+
+fun Project.runReadelf(readelf: String, vararg args: String): Pair<Int, String> {
+ val stdout = ByteArrayOutputStream()
+ val stderr = ByteArrayOutputStream()
+ val result = exec {
+ commandLine(readelf, *args)
+ standardOutput = stdout
+ errorOutput = stderr
+ isIgnoreExitValue = true
+ }
+
+ return result.exitValue to stdout.toString().ifBlank { stderr.toString() }
+}
+
+fun String.parseElfAlignment(): Long {
+ return if (startsWith("0x")) {
+ removePrefix("0x").toLong(16)
+ } else {
+ toLong()
+ }
+}
+
+val validateReleaseNativeLibraries by tasks.registering {
+ group = "verification"
+ description = "Validates release JNI libraries are stripped and keep 16 KB LOAD alignment."
+
+ doLast {
+ val readelf = findReadelf()
+ val loadAlignmentRegex = Regex("""^\s*LOAD\s+.*\s+(0x[0-9a-fA-F]+|\d+)\s*$""")
+
+ androidNativeAbis.forEach { abi ->
+ val lib = layout.projectDirectory.file("src/main/jniLibs/$abi/libldk_node.so").asFile
+ if (!lib.isFile) {
+ throw GradleException("Android native library missing at '${lib.path}'")
+ }
+
+ val (sectionsExit, sections) = runReadelf(readelf, "-S", lib.absolutePath)
+ if (sectionsExit != 0) {
+ throw GradleException("Unable to inspect Android native library sections: '${lib.path}'")
+ }
+ if (Regex("""\.debug_""").containsMatchIn(sections)) {
+ throw GradleException("Android release native library still contains .debug_* sections: '${lib.path}'")
+ }
+
+ val wideHeaders = runReadelf(readelf, "-W", "-l", lib.absolutePath)
+ val headers = if (wideHeaders.first == 0) {
+ wideHeaders.second
+ } else {
+ val fallbackHeaders = runReadelf(readelf, "-l", lib.absolutePath)
+ if (fallbackHeaders.first != 0) {
+ throw GradleException("Unable to inspect Android native library headers: '${lib.path}'")
+ }
+ fallbackHeaders.second
+ }
+
+ val alignments = headers
+ .lineSequence()
+ .mapNotNull { loadAlignmentRegex.matchEntire(it)?.groupValues?.get(1)?.parseElfAlignment() }
+ .toList()
+
+ if (alignments.isEmpty() || alignments.any { it < 16_384 }) {
+ throw GradleException("Android native library is not 16 KB page-size aligned: '${lib.path}'")
+ }
+ }
+ }
+}
+
+tasks.matching { it.name == "bundleReleaseAar" || it.name.startsWith("publish") }.configureEach {
+ dependsOn(validateReleaseNativeLibraries)
+}
+
 afterEvaluate {
  publishing {
  publications {
@@ -68,6 +172,10 @@ afterEvaluate {
  version = providers.gradleProperty("version").orNull ?: "0.0.0"
 
  from(components["release"])
+ artifact(rootProject.layout.projectDirectory.file("native-debug-symbols.zip")) {
+ classifier = "native-debug-symbols"
+ extension = "zip"
+ }
  pom {
  name.set(mavenArtifactId)
  description.set("LDK Node Android bindings (Synonym fork).")