chore: bump rust compiler and android ndk versions

.github/workflows/test-android.yaml

@@ -14,19 +14,22 @@ on:
 # We replace the default environment variable ANDROID_NDK_ROOT: /usr/local/lib/android/sdk/ndk/25.2.9519653
 # with an older version of the NDK (21.4.7075529) using the fix proposed here: https://github.com/actions/runner-images/issues/5930
 # For information on why this is needed at the moment see issues #242 and #243, and PR #282
-env:
-  ANDROID_NDK_ROOT: /usr/local/lib/android/sdk/ndk/21.4.7075529
+# env:
+#   ANDROID_NDK_ROOT: /usr/local/lib/android/sdk/ndk/21.4.7075529
 
 jobs:
   build:
     runs-on: ubuntu-20.04
     steps:
-      - name: "Install Android NDK 21.4.7075529"
-        run: |
-          ANDROID_ROOT=/usr/local/lib/android
-          ANDROID_SDK_ROOT=${ANDROID_ROOT}/sdk
-          SDKMANAGER=${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager
-          echo "y" | $SDKMANAGER "ndk;21.4.7075529"
+      # - name: "Install Android NDK 21.4.7075529"
+      #   run: |
+      #     ANDROID_ROOT=/usr/local/lib/android
+      #     ANDROID_SDK_ROOT=${ANDROID_ROOT}/sdk
+      #     SDKMANAGER=${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager
+      #     echo "y" | $SDKMANAGER "ndk;21.4.7075529"
+
+      - name: "Show default version of NDK"
+        run: echo $ANDROID_NDK_ROOT
 
       - name: "Check out PR branch"
         uses: actions/checkout@v3
@@ -46,8 +49,8 @@ jobs:
           distribution: temurin
           java-version: 11
 
-      - name: "Set default Rust version to 1.67.0"
-        run: rustup default 1.67.0
+      - name: "Set default Rust version to 1.73.0"
+        run: rustup default 1.73.0
 
       - name: "Install Rust Android targets"
         run: rustup target add x86_64-linux-android aarch64-linux-android armv7-linux-androideabi

bdk-android/README.md

@@ -55,21 +55,21 @@ _Note that Kotlin version `1.6.10` or later is required to build the library._
 git clone https://github.com/bitcoindevkit/bdk-ffi
 ```
 2. Follow the "General" bdk-ffi ["Getting Started (Developer)"] instructions. 
-3. Install Rust (note that we are currently building using Rust 1.67.0):
+3. Install Rust (note that we are currently building using Rust 1.73.0):
 ```shell
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
-rustup default 1.67.0
+rustup default 1.73.0
 ```
 4. Install required targets
 ```sh
 rustup target add x86_64-linux-android aarch64-linux-android armv7-linux-androideabi
 ```
 5. Install Android SDK and Build-Tools for API level 30+
 6. Setup `$ANDROID_SDK_ROOT` and `$ANDROID_NDK_ROOT` path variables (which are required by the
-   build tool), for example (note that currently, NDK version 21.4.7075529 is required):
+   build tool), for example (note that currently, NDK version 25.2.9519653 or above is required):
 ```shell
 export ANDROID_SDK_ROOT=~/Android/Sdk
-export ANDROID_NDK_ROOT=$ANDROID_SDK_ROOT/ndk/21.4.7075529
+export ANDROID_NDK_ROOT=$ANDROID_SDK_ROOT/ndk/25.2.9519653
 ```
 7. Build kotlin bindings
  ```sh

bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/OfflineDescriptorTest.kt

@@ -1,9 +1,9 @@
 package org.bitcoindevkit
 
 import kotlin.test.Test
-import kotlin.test.assertTrue
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import org.junit.runner.RunWith
+import kotlin.test.assertEquals
 
 @RunWith(AndroidJUnit4::class)
 class OfflineDescriptorTest {