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Setup your development environment

Pyrsia uses Rust programming language and will require you to setup Rust and it's dependencies.

For Windows users: For development of Pyrsia, Windows Subsystem for Linux (WSL) is required. Follow the install guide and set up your environment in WSL. The page for getting started with Docker should help you as well.

Download the Source Code

Clone the project repo

git clone https://github.com/pyrsia/pyrsia.git

We will call this directory $PYRSIA_HOME

Install Rust

Setup rust on your local machine as described in Rust's getting started guide. You may also follow How to Debug Rust with Visual Studio Code if you are looking to make code changes.

Install System Dependencies

  • Install Clang and OpenSSL

    • macOS: use homebrew to install OpenSSL

      brew install [email protected]

    • Linux (ubuntu): use apt to install Clang, OpenSSL and CMake and pkg-config

      apt install clang libssl-dev cmake pkg-config

  • Install protoc

    Pyrsia has a dependency on the libp2p crate which requires protoc to be installed.

    • Mac OS If you have Homebrew, just run:

      brew install protobuf

      Alternately, run the following commands (protobuf releases page):

      PROTOC_ZIP= protoc-3.14.0-osx-x86_64.zip
curl -OL https://github.com/protocolbuffers/protobuf/releases/download/v3.14.0/$PROTOC_ZIP
sudo unzip -o $PROTOC_ZIP -d /usr/local bin/protoc
sudo unzip -o $PROTOC_ZIP -d /usr/local 'include/*'
rm -f $PROTOC_ZIP

    • Linux Use apt like this:

      apt install protobuf-compiler

      You can also run the following commands (protobuf releases page):

      PROTOC_ZIP=protoc-3.14.0-linux-x86_64.zip
curl -OL https://github.com/protocolbuffers/protobuf/releases/download/v3.14.0/$PROTOC_ZIP
sudo unzip -o $PROTOC_ZIP -d /usr/local bin/protoc
sudo unzip -o $PROTOC_ZIP -d /usr/local 'include/*'
rm -f $PROTOC_ZIP

    For more detail, please read the protobuf installation guide.

Build code and run tests

The base line is making sure all the code compiles and every test passes.

cd $PYRSIA_HOME
cargo build --all-targets
cargo test --workspace

These commands should run successfully. If you have issues with these please reach out to the team on slack and report an issue/submit a PR.

You can also check the code coverage.

cd $PYRSIA_HOME
sh ./tests/test_code_coverage.sh

Pyrsia node docker image

Make sure Docker engine is installed (18.09 or higher) and running.

Build the Pyrsia node docker image

cd $PYRSIA_HOME
DOCKER_BUILDKIT=1 docker build -t=pyrsia/node .

If everything works as expected, after a while, a new image "pyrsia/node" should appear in the local docker images list.

Build the Pyrsia node docker image (if not present) and start the node

cd $PYRSIA_HOME
docker compose up

If everything works as expected, a new docker container should be started using the "node/pyrsia" image.

Simulate a network

Once you have compiled the Pyrsia code you are ready to build a Pyrsia network for testing. Pyrsia nodes are run on a peer to peer network and will require port separation if you would like to run multiple nodes on the same computer.

Follow the instructions below to setup a test network.

  • Node 1:

    RUST_LOG=info,pyrsia=debug DEV_MODE=on cargo run --package pyrsia_node -- --listen-only -p 7888 --init-blockchain

    Test the pyrsia_node status using curl (notice the port number for Node 1)

    curl --location --request GET 'http://localhost:7888/status'

    Download or clone the prototype repo and run as follows (jq must be installed locally before):

    cd pyrsia_build_pipeline_prototype
RUST_LOG=debug cargo run

In a real life deployment these nodes will be spread over the network and will all run on their own 7888 port.

  • Node 2:

    RUST_LOG=info,pyrsia=debug DEV_MODE=on PYRSIA_BLOCKCHAIN_PATH=pyrsia_node_2/blockchain PYRSIA_ARTIFACT_PATH=pyrsia_node_2 PYRSIA_KEYPAIR=pyrsia_node_2/p2p_keypair.ser cargo run --package pyrsia_node -- -p 7889 --bootstrap-url http://localhost:7888/status

    We have to set explicit values for PYRSIA_BLOCKCHAIN_PATH, PYRSIA_ARTIFACT_PATH and PYRSIA_KEYPAIR to prevent collisions with the files already created by Node 1. Another way of dealing with this, is to copy the pyrsia_node binary to a separate location and start the second node there. The default values use a relative path against the current directory.

    Test the pyrsia_node status using curl (notice the port number for Node 2)

    curl --location --request GET 'http://localhost:7889/status'

Now you have confirmed that the individual nodes are running.

Interact using the CLI

You can use the Pyrsia CLI to ensure that the peers are connected.

  1. Build the CLI tool

    cd ../pyrsia_cli
cargo build
cd ../target/debug

  2. Configure the CLI tool for your node using interactive subcommand "config"

     ./pyrsia config -e

    You can find the config file in these OS specific locations:

    • Mac: $HOME/Library/Preferences/rs.pyrsia-cli/pyrsia-cli.toml
    • Linux: $HOME/.config/rs.pyrsia-cli/pyrsia-cli.toml or $XDG_CONFIG_HOME/rs.pyrsia-cli/pyrsia-cli.toml
    • Windows: %APPDATA%\Roaming\pyrsia-cli\config\pyrsia-cli.toml

    You can easily switch the CLI to use one of your two nodes by using one of these commands:

    • Node 1:
     ./pyrsia config -e --port 7888
    • Node 2:
     ./pyrsia config -e --port 7889

  3. Ping the Pyrsia node and list the status

    $ ./pyrsia ping
Connection Successfull !! {}
    $ ./pyrsia -s
Connected Peers Count:       1

    If you see a status message similar to:

    Error: error sending request for url (http://localhost:7888/v2): error trying to connect: tcp connect error: Connection refused (os error 111)

    then your node is likely not running. Go back to step 3 to make sure the Pyrsia Node can be started.

  4. Authorize Node 1 as your build node

    ./pyrsia config -e --port 7888
NODE1_PEER_ID=`curl -s http://localhost:7888/status | jq -r .peer_id`
echo Authorizing peer id $NODE1_PEER_ID
./pyrsia authorize --peer $NODE1_PEER_ID

    This will output something like this:

    Authorizing peer id 12D3KooWFiC9Xdx77HJSLv6B1muauoxTvjWrVNcUgE4d8YRsRWkT
Authorize request successfully handled.

  5. Trigger a build from source

    Configure your pyrsia CLI to use either Node 1 (port 7888) or Node 2 (port 7889) and then run this:

    ./pyrsia build docker --image alpine:3.16.0

    When triggering the build from Node 1, it will use the build pipeline. When triggering the build from Node 2, it will send a build request to Node 1, that will use the build pipeline.

  6. Inspect logs

    ./pyrsia inspect-log docker --image alpine:3.16.0

    This will print the transparency logs for alpine:3.16.0 in JSON format.

Congratulations! You have now set up your developer environment and are ready to write code and submit a PR to Pyrsia. Head over to contributing guidelines to start contributing to the project.

⚠️ Word of caution: Running the peers for a few hours does generate network traffic and hence can drain your computer power. Ensure you are plugged into power if you are running multiple peers for a long time`