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status-go/_docs/how-to-build.md

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Build status-go

Introduction

status-go is an underlying part of Status. It heavily depends on go-ethereum which is forked and slightly modified by us.

Build status-go

1. Requirements

  • Nix (Installed automatically)
  • Docker (only if cross-compiling).

go is provided by Nix

2. Clone the repository

git clone https://github.com/status-im/status-go
cd status-go

3. Set up build environment

status-go uses nix in the Makefile to provide every tools required.

4. Build the statusd CLI

To get started, let’s build the Ethereum node Command Line Interface tool, called statusd.

make statusgo

Once that is completed, you can run it straight away with a default configuration by running

build/bin/statusd

5. Build a library for Android and iOS

make install-gomobile
make statusgo-cross # statusgo-android or statusgo-ios to build for specific platform

Debugging

IDE Debugging

If you’re using Visual Studio Code, you can rename the .vscode/launch.example.json file to .vscode/launch.json so that you can run the statusd server with the debugger attached.

Android debugging

In order to see the log files while debugging on an Android device, do the following:

  • Ensure that the app can write to disk by granting it file permissions. For that, you can for instance set your avatar from a file on disk.
  • Connect a USB cable to your phone and make sure you can use adb. Run
adb shell tail -f sdcard/Android/data/im.status.ethereum.debug/files/Download/geth.log

Testing

First, make sure the code is linted properly:

make lint

Next, run unit tests:

make test

Unit tests can also be run using go test command. If you want to launch specific test, for instance RPCSendTransactions, use the following command:

go test -tags gowaku_skip_migrations -v ./api/ -testify.m ^RPCSendTransaction$

Note -testify.m as testify/suite is used to group individual tests.

Finally, run e2e tests:

make test-e2e

There is also a command to run all tests in one go:

make ci

Running

Passing the -h flag will output all the possible flags used to configure the tool. Although the tool can be used with default configuration, you’ll probably want to delve into the configuration and modify it to your needs.

Node configuration - be it through the CLI or as a static library - is done through JSON files following a precise structure. At any point, you can add the -version argument to statusd to get an output of the JSON configuration in use. You can pass multiple configuration files which will be applied in the order in which they were specified.

There are a few standard configuration files located in the config/cli folder to get you started. For instance you can pass -c les-enabled.json to enable LES mode.

For more details on running a Status Node see the dedicated page.

Testing with an Ethereum network

To setup accounts passphrase you need to setup an environment variable: export ACCOUNT_PASSWORD="secret_pass_phrase".

To test statusgo using a given network by name, use:

make ci networkid=rinkeby

To test statusgo using a given network by number ID, use:

make ci networkid=3

If you have problems running tests on public network we suggest reading e2e guide.