A Java web app for users to explore and analyze the nebulas blockchain.

Its frontend is a single page application using vuejs and its backend uses Spring.

Please visit https://explorer.nebulas.io/ to view all data in Nebulas.

It's a web app using vuejs serves as the presentation layer for the nebulas blockchain explorer.

More details at https://github.com/nebulasio/explorer/blob/develop/explorer-front/readme.md.

1. Data access REST APIs

Exposes the REST APIs for frontend to get blockchain data.

2. Data Loader

Loads the blockchain data from Nebulas Node and transform and store the data in a way the frontend can consume.

Data Storage for the loaded and transformed data.

The explorer make RPCs to Nebulas nodes remote endpoints to load the blockchain data.

As a beginner, you may want to pick an issue from issues with help wanted or good first issue tag and make a pull request for your changes.

After being more familiar with the explorer and the code, you can submit improvement ideas and work on those ideas.

You can clone https://github.com/nebulasio/explorer.git and commit to it if you are a key contributor.

git clone https://github.com/nebulasio/explorer.git

Or you can fork git clone https://github.com/nebulasio/explorer.git and clone your forked repo.

1. Create a new branch for your change, use prefix "hotfix/" for bug fix, "feature/" for feature.
2. Make the change and commit with good commit message

1. Push your local changes to remote repo
2. Create the pull request if you are using forked repo
3. Address review feedback and get the change merged

1. Install lastest node.js so you can execute 'npm' command by either downloading zip or installer from https://nodejs.org/en/download/ or via package manager

# install dependency
cd explorer/explorer-front
npm i

# run webpack dev build on localhost
npm run dev

# open http://localhost:8080/ in browser
# config port number in explorer-front/config/index.js!dev.port

# run webpack production build, results will output to 'dist' folder
npm run build

• JDK 8: http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
• MySQL ：https://www.mysql.com/
• Redis ：https://redis.io/

cd explorer/explorer-backend
source build-expl.sh
source start-expl.sh
source stop-expl.sh

The Nebulas explorer uses LGPL license