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Vega front-end monorepo

The front-end monorepo provides a toolkit for building apps that interact with Vega, as well as the apps themselves.

This repository is managed using Nx.

🔎 Applications in this repo

Block explorer

The Vega block explorer provides an interface that allows users to search for and see transactions, blocks, parties, assets, markets and more on the Vega chain.

Trading UI

The trading interface built based on a component toolkit. It will provide a way for participants to interact with markets and provide resources for others to build additional open-source user interfaces.

Governance

The utility dApp for interacting with the Vega token and using its' utility. This includes; delegation, nomination, governance and redemption of tokens.

Explorer

The block explorer for the Vega network, showing details of raw chain states and the state of markets on the Vega network.

Static

Hosting for static content being shared across apps, for example fonts.

🧱 Libraries in this repo

UI toolkit

The UI toolkit contains a set of components used to build interfaces that can interact with the Vega protocol, and follow the design style of the project. It contains a storybook that can be served with yarn nx run ui-toolkit:storybook.

Tailwind CSS config

The Tailwind CSS config contains theme that align default config with Vega design system.

Cypress

For shared Cypress logic, commands and steps.

Web3

A utility library for connecting to the Ethereum network and interacting with Vega Web3 contracts.

React Helpers

Generic react helpers that can be used across multiple applications, along with other utilities.

💻 Develop

Set up

Check you have the correct version of Node. You can install NVM to switch between node versions. Then NVM install. Before you build you will need to yarn install in the root directory. The repository includes a number of template .env files for different networks. Copy from these to the .env file before serve to launch app with different network. You can serve any application with yarn nx run <name-of-app>:serve.

Build

Run nx build my-app to build the project. The build artifacts will be stored in the dist/ directory. Use the --prod flag for a production build.

Run nx serve my-app for a dev server. Navigate to the port specified in app/<project-name>/project.json. The app will automatically reload if you change any of the source files.

Using Apollo GraphQL and Generate Types

In order to generate the schemas for your GraphQL queries, you can run GRAPHQL_SCHEMA_PATH=[YOUR SCHEMA FILE / API URL HERE] nx run types:generate.

export  GRAPHQL_SCHEMA_PATH=https://api.n07.testnet.vega.xyz/graphql
yarn nx run types:generate

Running tests

Run yarn nx run <my-app>-e2e:e2e to execute the e2e tests with cypress, or nx affected:e2e will execute just the end-to-end tests affected by a change. You can use the --watch flag to open the cypress tests UI in watch mode, see cypress executor for all CLI flags.

Run nx test my-app to execute the unit tests with Jest, or nx affected:test to execute just unit tests affected by a change. You can also use --watch with these test to run jest in watch mode, see Jest executor for all CLI flags.

Using wallet

To run tests locally using your own wallets make sure you have generated at least two public keys and update the following environment variables in cypress.config.js to match your wallet.

  1. Set VEGA_PUBLIC_KEY and TRUNCATED_VEGA_PUBLIC_KEY to your first public key.
  2. Set VEGA_PUBLIC_KEY2 and TRUNCATED_VEGA_PUBLIC_KEY2 to your second public key.
  3. Set TRADING_TEST_VEGA_WALLET_PASSPHRASE as your wallet passphrase
  4. Add ETH_WALLET_MNEMONIC as your Ethereum wallet mnemonic

Formatting

In CI linting, formatting and also run. These checks can be seen in the CI workflow file.

  • To fix linting errors locally run yarn nx lint --fix
  • To fix formatting errors local run yarn nx format:write
  • For either command you may use --all to run across the entire repository

Further help with Nx

Visit the Nx Documentation to learn more.

🐋 Hosting a console

To host a console there are two possible build scenarios for running the frontends: nx performed outside or inside docker build. For specific build instructions follow build instructions.

In order to run a container on port 3000:

docker run -p 3000:80 [TAG]

On top of that there are two possible scenarios for running docker image - using nginx server (default) of ipfs daemon.

to run ipfs on port 3000:

docker run -p 3000:80 [TAG] /run-ipfs.sh

to run nginx on port 3000:

docker run -p 3000:80 [TAG]

Build instructions

The docker subfolder has some docker configurations for easily setting up your own hosted version of Console either for the web, or ready for pinning on IPFS.

nx build inside the docker

Using multistage dockerfile dist is compiled using node image and later packed to nginx as in dist build. The multistage builds ensures consistent CPU architecture and build toolchains are used so that the result will be identical.

docker build --build-arg APP=[YOUR APP] --build-arg NODE_VERSION=20.9.1 --build-arg ENV_NAME=mainnet -t [TAG] -f docker/node-inside-docker.Dockerfile .

Computing ipfs-hash of the build

At the moment this feature is important only for Console releases.

Each docker build finishes with hash calculation for dist`` directory. Resulting hash is added to file named as /ipfs-hash`. Once docker image is produced you can run following commad to display ipfs-hash:

make recalculate-ipfs TAG=vegaprotocol/trading:{YOUR_VERSION}

updating hash: recompiling dist directory (even if there are no changed to source code) results in different hash computed by ipfs command.

nx build outside the docker

This Docker image packages a pre-built dist folder into an nginx(server configuration) docker image. In this case, the application on docker host machine from source.

As a prerequisite you need to perform build of dist directory and move its content for specific application to dist-result directory. Use following script to do it with a single command:

./docker/prepare-dist.sh

You can build any of the containers locally with the following command:

docker build -f docker/node-outside-docker.Dockerfile . --tag=[TAG]

Verifying ipfs-hash of existing current application version

An IPFS CID will be attached to every release. If you are intending to pin an application on IPFS, you can check that your build matches by running the following steps:

  1. Show latest release by running: make latest-release. You need to configure gh for this step to work, otherwise please provide release manually from github or dockerhub
  2. Set RELEASE environment variable to value that you want to validate: export RELEASE=$(make latest-release) or export RELEASE=vXX.XX.XX
  3. Set TAG environment variable to image that you want to validate: export TAG=vegaprotocol/trading:$RELEASE
  4. Download docker image with the desired release docker pull $TAG.
  5. Recalculate hash: make recalculate-ipfs
  6. You should see exactly same hash produced by ipfs command as one placed with the release notes: make show-latest-release
  7. If you want to extract dist from docker image to your local filesystem you can run following command: make unpack
  8. Now dist directory contains valid application build

Config

As environment variables are build time and not run time in frontend applications. We have built a system which allows for passing run time environment variables, this generates a JSON file that will override the default environment variables that the container was built with (which is always testnet, using the default .env files).

In order to override specific environment variables you can pass these to the container like this:

docker run -e NX_VEGA_URL=https://api.n04.d.vega.xyz/graphql -p 3000:80 [TAG]

Which will now point the app to use a devnet data node. To see a list of all possible config properties see the readme.md for each app in the app directory.

Vega capsule

Coming soon! You will be able to run the containers within Vega Capsule.

You can run against a local instance of Vega Capsule today by using the .env.capsule present in the apps.

If you wish to run E2E tests for Token and Block Explorer (other areas to be added soon)

  • Vegacapsule must be used in order for these tests to succeed, the vegacapsule repo README.md file contains the steps required to set this up, it must be installed globally.
  • However we start the capsule network a little differently to how it is laid out in those instructions:

In order to run the bootstrap command to generate and start a new network, we must do so using the following:

vegacapsule network bootstrap --config-path=../frontend-monorepo/vegacapsule/config.hcl

In order to setup and run vegawallet for e2e capsule tests, in a separate terminal window:

  1. cd into ./vegacapsule
  2. run:
bash setup-vegawallet.sh
  1. copy generated api-token and paste the token into CYPRESS_VEGA_WALLET_API_TOKEN environment variable in either apps/governance-e2e/.env or apps/explorer-e2e/.env depending on which project needs testing.

Note: The script is only needed if capsule was built for first time or fresh. To run existing wallet service for capsule:

vega wallet service run -n DV --load-tokens --tokens-passphrase-file passphrase --no-version-check --automatic-consent --home ~/.vegacapsule/testnet/wallet

📑 License

MIT