Fix Android build in CI

.github/workflows/publish-android.yaml

@@ -10,7 +10,7 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-20.04
     steps:
       - name: "Install Android NDK 21.4.7075529"
         run: |
@@ -37,6 +37,9 @@ jobs:
           distribution: temurin
           java-version: 11
 
+      - name: "Set default Rust version to 1.67.0"
+        run: rustup default 1.67.0
+
       - name: "Install Rust Android targets"
         run: rustup target add x86_64-linux-android aarch64-linux-android armv7-linux-androideabi
 

.github/workflows/publish-jvm.yaml

@@ -24,6 +24,9 @@ jobs:
           distribution: temurin
           java-version: 11
 
+      - name: "Set default Rust version to 1.67.0"
+        run: rustup default 1.67.0
+
       - name: Install aarch64 Rust target
         run: rustup target add aarch64-apple-darwin
 
@@ -43,7 +46,7 @@ jobs:
   build-jvm-full-library:
     name: Create full bdk-jvm library
     needs: [build-jvm-macOS-M1-native-lib]
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout publishing branch
         uses: actions/checkout@v2
@@ -68,6 +71,9 @@ jobs:
           distribution: temurin
           java-version: 11
 
+      - name: "Set default Rust version to 1.67.0"
+        run: rustup default 1.67.0
+
       - name: Build bdk-jvm library
         run: |
           cd bdk-jvm

.github/workflows/publish-python.yaml

@@ -9,7 +9,7 @@ on: [workflow_dispatch]
 jobs:
   build-manylinux2014-x86_64-wheel:
     name: "Build Manylinux 2014 x86_64 wheel"
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-20.04
     defaults:
       run:
         working-directory: bdk-python
@@ -21,13 +21,9 @@ jobs:
     strategy:
       matrix:
         python: # Update this list whenever the docker image is updated (check /opt/python/)
-          - cp36-cp36m
-          - cp37-cp37m
           - cp38-cp38
           - cp39-cp39
           - cp310-cp310
-          - pp37-pypy37_pp73
-          - pp38-pypy38_pp73
     steps:
       - name: "Checkout"
         uses: actions/checkout@v2
@@ -37,6 +33,9 @@ jobs:
         with:
           toolchain: stable
 
+      - name: "Set default Rust version to 1.67.0"
+        run: rustup default 1.67.0
+
       - name: "Install requirements"
         run: ${PYBIN}/pip install -r requirements.txt
 
@@ -60,10 +59,9 @@ jobs:
     strategy:
       matrix:
         python:
-          - '3.7'
-          - '3.8'
-          - '3.9'
-          - '3.10'
+          - "3.8"
+          - "3.9"
+          - "3.10"
     steps:
       - name: "Checkout"
         uses: actions/checkout@v2
@@ -91,18 +89,17 @@ jobs:
           path: /Users/runner/work/bdk-ffi/bdk-ffi/bdk-python/dist/*.whl
 
   build-windows-wheel:
-    name: "Build windows wheel"
+    name: "Build Windows wheel"
     runs-on: windows-2022
     defaults:
       run:
         working-directory: bdk-python
     strategy:
       matrix:
         python:
-          - '3.7'
-          - '3.8'
-          - '3.9'
-          - '3.10'
+          - "3.8"
+          - "3.9"
+          - "3.10"
     steps:
       - name: "Checkout"
         uses: actions/checkout@v2
@@ -128,7 +125,7 @@ jobs:
 
   publish-pypi:
     name: "Publish on PyPI"
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-20.04
     defaults:
       run:
         working-directory: bdk-python

.github/workflows/test-android.yaml

@@ -1,5 +1,6 @@
 name: Test Android
 on:
+  workflow_dispatch:
   push:
     paths:
       - "bdk-ffi/**"
@@ -18,7 +19,7 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-20.04
     steps:
       - name: "Install Android NDK 21.4.7075529"
         run: |
@@ -45,9 +46,17 @@ jobs:
           distribution: temurin
           java-version: 11
 
+      - name: "Set default Rust version to 1.67.0"
+        run: rustup default 1.67.0
+
       - name: "Install Rust Android targets"
         run: rustup target add x86_64-linux-android aarch64-linux-android armv7-linux-androideabi
 
+      - name: "Build Android library"
+        run: |
+          cd bdk-android
+          ./gradlew buildAndroidLib
+
 # There are currently no unit tests for bdk-android and the integration tests require the macOS image
 # which is not working with the older NDK version we are using, so for now we just make sure that the library builds.
 #      - name: "Run Android unit tests"

.github/workflows/test-jvm.yaml

@@ -1,5 +1,6 @@
 name: Test Kotlin/JVM
 on:
+  workflow_dispatch:
   push:
     paths:
       - "bdk-ffi/**"
@@ -31,6 +32,9 @@ jobs:
           distribution: temurin
           java-version: 11
 
+      - name: "Set default Rust version to 1.67.0"
+        run: rustup default 1.67.0
+
       - name: Run JVM tests
         run: |
           cd bdk-jvm

.github/workflows/test-python.yaml

@@ -1,5 +1,6 @@
 name: Test Python
 on:
+  workflow_dispatch:
   push:
     paths:
       - "bdk-ffi/**"
@@ -17,7 +18,7 @@ on:
 jobs:
   build-manylinux2014-x86_64-wheel:
     name: "Build and test Manylinux 2014 x86_64 wheels"
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-20.04
     defaults:
       run:
         working-directory: bdk-python
@@ -29,10 +30,8 @@ jobs:
     strategy:
       matrix:
         python:
-          # - cp36-cp36m
-          # - cp37-cp37m
-          # - cp38-cp38
-          # - cp39-cp39
+          - cp38-cp38
+          - cp39-cp39
           - cp310-cp310
     steps:
       - name: "Checkout"
@@ -43,6 +42,9 @@ jobs:
         with:
           toolchain: stable
 
+      - name: "Set default Rust version to 1.67.0"
+        run: rustup default 1.67.0
+
       - name: "Install requirements"
         run: ${PYBIN}/pip install -r requirements.txt
 
@@ -73,10 +75,9 @@ jobs:
     strategy:
       matrix:
         python:
-          # - '3.7'
-          # - '3.8'
-          # - '3.9'
-          - '3.10'
+          - "3.8"
+          - "3.9"
+          - "3.10"
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -113,10 +114,9 @@ jobs:
     strategy:
       matrix:
         python:
-          # - '3.7'
-          # - '3.8'
-          # - '3.9'
-          - '3.10'
+          - "3.8"
+          - "3.9"
+          - "3.10"
     steps:
       - name: "Checkout"
         uses: actions/checkout@v2
@@ -135,12 +135,11 @@ jobs:
       - name: "Build wheel"
         run: python setup.py bdist_wheel --verbose
 
-      # TODO: On Windows the pip install ./dist/*.whl step fails with the following error:
-      # Run pip install ./dist/*.whl
-      # WARNING: Requirement './dist/*.whl' looks like a filename, but the file does not exist
-      # ERROR: *.whl is not a valid wheel filename.*.whl is not a valid wheel name
-      # So we skip the installing and the tests and simply test that the wheel builds
-
+# TODO: On Windows the pip install ./dist/*.whl step fails with the following error:
+# Run pip install ./dist/*.whl
+# WARNING: Requirement './dist/*.whl' looks like a filename, but the file does not exist
+# ERROR: *.whl is not a valid wheel filename.*.whl is not a valid wheel name
+# So we skip the installing and the tests and simply test that the wheel builds
       # - name: Install wheel
       #   run: pip install ./dist/*.whl
       # - name: Run tests

.github/workflows/test-swift.yaml

@@ -1,5 +1,6 @@
 name: Test Swift
 on:
+  workflow_dispatch:
   push:
     paths:
       - "bdk-ffi/**"
@@ -16,6 +17,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: "Set default Rust version to 1.67.0"
+        run: rustup default 1.67.0
+
       - name: Install Rust targets
         run: |
           rustup install nightly-x86_64-apple-darwin