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Support deterministic builds #236

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Support deterministic builds #236

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4bb2af2
Support deterministic builds:
araspitzu Feb 14, 2020
c82927f
Use ubuntu 19.10
araspitzu Mar 5, 2020
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37 changes: 37 additions & 0 deletions Dockerfile
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FROM ubuntu:19.10

ENV LC_ALL en_US.UTF-8
ENV LANG en_US.UTF-8
ENV LANGUAGE en_US:en
ENV ANDROID_SDK_FILENAME sdk-tools-linux-4333796.zip
ENV ANDROID_SDK_URL https://dl.google.com/android/repository/${ANDROID_SDK_FILENAME}
ENV ANDROID_API_LEVELS android-29
ENV ANDROID_BUILD_TOOLS_VERSION 28.0.3
ENV ANDROID_NDK_VERSION 21.0.6113669
ENV CMAKE_VERSION 3.6.4111459
ENV ANDROID_HOME /usr/local/android-sdk
ENV PATH ${PATH}:${ANDROID_HOME}/tools/bin:${ANDROID_HOME}/platform-tools
ENV JAVA_OPTS "-Dprofile.encoding=UTF-8 -Dsun.jnu.encoding=UTF-8 -Dfile.encoding=UTF-8"

# prepare env
RUN apt-get update -y && \
apt-get install -y software-properties-common locales && \
apt-get update -y && \
locale-gen en_US.UTF-8 && \
apt-get install -y openjdk-8-jdk wget git unzip

# fetch and unpack the android sdk
RUN mkdir /usr/local/android-sdk && \
cd /usr/local/android-sdk && \
wget -q ${ANDROID_SDK_URL} && \
unzip ${ANDROID_SDK_FILENAME} && \
rm ${ANDROID_SDK_FILENAME}

# install sdk packages
RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager "build-tools;${ANDROID_BUILD_TOOLS_VERSION}" "cmake;${CMAKE_VERSION}" "ndk;${ANDROID_NDK_VERSION}" "patcher;v4" "platforms;${ANDROID_API_LEVELS}"

# copy project over to docker image
COPY . /home/ubuntu/eclair-mobile

# make gradle wrapper executable
RUN chmod +x /home/ubuntu/eclair-mobile/gradlew
19 changes: 19 additions & 0 deletions README.md
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Expand Up @@ -70,3 +70,22 @@ The wallet is available on [Google Play](https://play.google.com/store/apps/deta
Follow the steps [here](https://github.com/ACINQ/eclair/blob/android/BUILD.md) to build the eclair-core library.

3. Open the Eclair Mobile project with Android studio. You should now be able to install it on your phone/on an emulator.

## Building eclair-mobile deterministically

Eclair-mobile supports deterministic builds on Linux OSs, this allows anyone to recreate from the sources the exact same APK that was published in the release page.
The deterministic build uses a dockerized build environment and require you to have previously built (and published locally) the artifact for the `eclair-core`
dependency, follow the [instructions](#Developers) to build it.

### Prerequisites

1. A linux machine running on x64 CPU.
2. docker-ce installed
3. Eclair-core published in your local maven repo, check out the [instructions](#Developers) to build it.

### Steps

1. Clone the project from https://github.com/ACINQ/eclair-mobile
3. Run `docker build -t eclair-mobile .` to create the build environment
4. Run `docker run --rm -v $HOME/.m2:/root/.m2 -v $(pwd):/home/ubuntu/eclair-mobile/app/build -w /home/ubuntu/eclair-mobile eclair-mobile ./gradlew assemble`
5. Built artifacts are in $(pwd)/outputs/apk/release