PolkaVM DevTool - Bridge

A modern web application for bridging tokens between Polkadot parachains and PolkaVM Asset Hub. Built with Next.js, React, and Polkadot API.

Getting Started

Prerequisites

• Node.js 22+
• pnpm (recommended) or npm
• Polkadot wallet extension (Polkadot.js, Talisman, or SubWallet)

Installation

1. Clone the repository:

git clone <repository-url>
cd token-bridge

2. Install dependencies:

pnpm install

3. Set up environment variables:

cp .env.example .env.local

4. Install papi descriptor

npx papi generate

4. Start the development server:

pnpm dev

5. Open http://localhost:3000 in your browser.

Building for Production

The build process automatically generates Polkadot API descriptors and builds the application:

pnpm build

Environment Variables

Create a .env.local file with the following variables:

# WalletConnect Project ID (get from https://cloud.walletconnect.com/)
NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID=your_project_id

# Optional: Ignore localStorage in development
NEXT_PUBLIC_IGNORE_STORAGE=false