README.md

Nexus Orbit Chain Dapp

Introduction

Nexus Orbit Chain is a chain run on arbitrum nitro node and the repo is a fork of arbitrum bridge which showcases Nexus Staking yeilds for Rollups(currently on nexus chain) with support of holesky as parent chain

Official arbitrum bridge Repo

Prerequisites for running the code

• Install Node.js for your platform
• Install Node Version Manager (nvm) to setup the correct Node version for the project.
• use node version 18
• Install Yarn (version 1) - Package manager

Steps to run the code locally

1. Clone the Arbitrum token bridge repository from Github onto your local machine

   $ git clone https://github.com/Nexus-2023/arbitrum-token-bridge.git

2. Use the Node version as per project settings to avoid any errors before project installation.

   $ nvm use <NODE_VERSION_18>

3. Install dependencies in all packages using yarn in root of project.

   $ yarn

4. Set env vars:

   1. Copy the existing env.local.sample file present.

      $ cp ./packages/arb-token-bridge-ui/.env.local.sample  ./packages/arb-token-bridge-ui/.env

   2. In .env created, add NEXT_PUBLIC_INFURA_KEY=my-infura-key get it from Infura

   3. Set NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID to your WalletConnect project ID. You can create a new project on the WalletConnect dashboard.

   4. set NEXT_PUBLIC_NEXUS_GRAPH_API which is nexus contracts subgraph url to fetch dashboard data

   5. For custom urls, set optional vars:

   • NEXT_PUBLIC_ETHEREUM_RPC_URL=my-eth-node
   • NEXT_PUBLIC_SEPOLIA_RPC_URL=my-sepolia-node (see .env.local.sample) If no custom URL is provided, NEXT_PUBLIC_INFURA_KEY will be used by default.

5. Build the project and internal packages

   $ yarn build

6. Finally, running the project

   1. (back in root dir:)

      $ yarn run dev

   2. Visit http://localhost:3000/

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