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add first draft of reproducible build documentation
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Craig Raw
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3 changed files with 90 additions and 1 deletions
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@ -23,7 +23,7 @@ When updating to the latest HEAD
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`git pull --recurse-submodules`
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The release binaries are reproducible (pre codesigning and installer packaging at this time).
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The release binaries are reproducible from v1.5.0 onwards (pre codesigning and installer packaging). More detailed [instructions on reproducing the binaries](docs/reproducible.md) are provided.
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## Running
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docs/README.md
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docs/README.md
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## Sparrow Wallet Repository Docs
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Note that most documentation for the project can be found at https://sparrowwallet.com/docs/.
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The documentation here is mainly developer-related resources.
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### [Reproducible builds](reproducible.md)
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Documentation to create and verify a build of the project against the released binaries.
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docs/reproducible.md
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docs/reproducible.md
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## Reproducible builds
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Reproducibility is a goal of the Sparrow Wallet project.
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As of v1.5.0 and later, it is possible to recreate the exact binaries in the Github releases (specifically, the contents of the `.tar.gz` and `.zip` files).
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Due to minor variances, it is not yet possible to reproduce the installer packages (`.deb`, `.rpm` and `.exe`).
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In addition, the OSX binary is code signed and thus can't be directly reproduced yet.
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Work on resolving both of these issues is ongoing.
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### Reproducing a release
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#### Install Java
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Because Sparrow bundles a Java runtime in the release binaries, it is essential to have the same version of Java installed when creating the release.
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For v1.5.0 and later, this is AdoptOpenJdk jdk-16.0.1+9 Hotspot.
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It is available for all supported platforms from the [AdoptOpenJdk site](https://adoptopenjdk.net/archive.html?variant=openjdk16&jvmVariant=hotspot).
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For reference, the downloads are as follows:
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- [Linux x64](https://github.com/AdoptOpenJDK/openjdk16-binaries/releases/download/jdk-16.0.1%2B9/OpenJDK16U-jdk_x64_linux_hotspot_16.0.1_9.tar.gz)
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- [MacOS x64](https://github.com/AdoptOpenJDK/openjdk16-binaries/releases/download/jdk-16.0.1%2B9/OpenJDK16U-jdk_x64_mac_hotspot_16.0.1_9.tar.gz)
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- [Windows x64](https://github.com/AdoptOpenJDK/openjdk16-binaries/releases/download/jdk-16.0.1%2B9/OpenJDK16U-jdk_x64_windows_hotspot_16.0.1_9.zip)
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It is also possible to install via a package manager on *nix systems. For example, on Debian/Ubuntu systems:
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```shell
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sudo apt-get install -y wget apt-transport-https gnupg
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wget https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public
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gpg --no-default-keyring --keyring ./adoptopenjdk-keyring.gpg --import public
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gpg --no-default-keyring --keyring ./adoptopenjdk-keyring.gpg --export --output adoptopenjdk-archive-keyring.gpg
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rm adoptopenjdk-keyring.gpg
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sudo mv adoptopenjdk-archive-keyring.gpg /usr/share/keyrings
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sudo apt update -y
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sudo apt-get install -y adoptopenjdk-16-hotspot=16.0.1+9-3
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```
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A alternative option for all platforms is to use the [sdkman.io](sdkman.io) package manager ([Git Bash for Windows](https://git-scm.com/download/win) is a good choice on that platform).
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See the installation [instructions here](https://sdkman.io/install).
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Once installed, run
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```shell
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sdk install java 16.0.1.hs-adpt
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```
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#### Other requirements
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Other packages may also be necessary to build depending on the platform. On Debian/Ubuntu systems:
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```shell
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sudo apt install -y rpm
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```
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#### Building the binaries
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The project can cloned for a specific release tag as follows:
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```shell
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GIT_TAG="1.5.0-beta1"
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git clone --recursive git@github.com:sparrowwallet/sparrow.git
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git checkout --quiet "${GIT_TAG}"
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```
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Thereafter, building should be straightforward:
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```shell
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cd sparrow
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./gradlew jpackage
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```
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The binaries (and installers) will be placed in the `build/jpackage` folder.
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#### Verifying the binaries are identical
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Note that you will be verifying the files in the `build/jpackage/Sparrow` folder against either the `.tar.gz` or `.zip` releases.
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Download either of these depending on your platform and extract the contents to a folder (in the following example, `/tmp`).
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Then compare all of the folders and files recursively:
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```shell
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diff -r build/jpackage/Sparrow /tmp/Sparrow
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```
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This command should have no output indicating that the two folders (and all their contents) are identical.
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