Katera Wallet

Overview

Katera Wallet is a browser extension for managing cryptocurrency wallets. It allows users to create or recover wallets, view balances, and interact with multiple blockchain networks. Built with React, TypeScript, and ethers.js, this project leverages modern web technologies for a seamless user experience.

---

Features

Wallet Management

• Create Wallet:
  • Generate a 12-word seed phrase and derive a wallet address.
  • Securely save the wallet address for future access.
• Recover Wallet:
  • Input an existing seed phrase to restore a wallet.

Network Management

• Predefined Networks:
  • Includes Ethereum Mainnet, Polygon Mainnet, Binance Smart Chain (BSC), and Sepolia Testnet.
• Custom Networks:
  • Add and configure custom blockchain networks.
• Select Network:
  • Search and choose from available networks, with persistence in local storage.

Blockchain Interactions

• View Balance:
  • Fetch and display wallet balances from the selected network.
• Send Transactions:
  • Transfer Ether to another address by specifying private key, recipient, and amount.

User Interface

• Intuitive and modular design using React components.
• Dynamic feedback for network calls and loading states.
• Responsive layout styled with Tailwind CSS.

---

Installation

Prerequisites

Ensure you have the following installed:

• Node.js (v18 or later)
• npm

Clone the Repository

git clone https://github.com/your-repository/wallet-extension-react.git
cd wallet-extension-react

Install Dependencies

npm install

Run the Development Server

npm run dev

The app will be available at http://localhost:3000.

Build for Production

npm run build

The production build will be available in the dist directory.

---

Key Technologies

-Frontend: React, Typescript, TailwindCss. -Api Layer: ether.js. -Vite: Fast development server and build tool. -Extension: CRXjs

---

How to Use

Creating a Wallet

1. Navigate to the Create Wallet page.
2. Click Generate Seed Phrase to create a new wallet.
3. Save the seed phrase securely and proceed to view your wallet address.

Recovering a Wallet

1. Navigate to the Recover Wallet option.
2. Input your 12-word seed phrase to restore the wallet.

Selecting a Network

1. Click the network dropdown in the header.
2. Choose a predefined network or add a custom network.

Viewing Balance

1. Ensure your wallet is connected to a network.
2. Navigate to the View Balance page to fetch and display your wallet balance.

Sending Ether

1. Enter recipient details and amount on the transaction page.
2. Confirm and send the transaction via the blockchain.

---

Environment Variables

Create a .env file in the project root with the following variables:

# Ethereum Provider (Infura API Key)
INFURA_PROJECT_ID=your_infura_project_id
ETHEREUM_NETWORK=mainnet

---

Future Enhancements

• Token Support: Display balances for multiple tokens.
• Password: Password Protection for the Katera Application.
• Multiple Account Management: Handle Multiple Account Management
• Extension Packaging: Finalize compatibility for Chrome/Firefox deployment.

---

License

This project is licensed under the MIT License. See the LICENSE file for details.

---

Contributors

Built with ❤️ by the Blockfuse Web3 Cohort 2.