Message Verifier

This repository is a demonstration of EIP-712, which defines a standard for hashing and signing of typed structured data in Ethereum. This demo showcases how to implement EIP-712 in a web application.

This is a Next.js project bootstrapped with create-next-app.

Getting Started

First, run the development server:

npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev

Open http://localhost:3000 with your browser to see the result.

You can start editing the page by modifying app/page.js. The page auto-updates as you edit the file.

This project uses next/font to automatically optimize and load Inter, a custom Google Font.

Environment Variables

The .env file should contain the following environment variables:

• NEXT_PUBLIC_NETWORK_ID: The network ID of the Ethereum network you are using.
• NEXT_PUBLIC_MESSAGER_CONTRACT_ADDRESS: The address of the deployed Messager contract.
• NEXT_PUBLIC_INFURA_API: Your Infura API key for connecting to the Ethereum network.
• NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID: Your Wallet Connect project ID. You can get it from the Wallet Connect dashboard.

Features

• Sign Message: Users can sign a message with their Ethereum account.
• Verify Message: Users can verify a signed message by relaying it through the Messager smart contract.
• Transaction Relay: Users can relay the signed message on-chain.