abdularif0705 / crypto_wallet_coingecko

Building a Basic Crypto Wallet for Ethereum Network with Web3 & CoinGecko API (https://www.coingecko.com/en/api)

Ethereum Wallet Application

This application is a simple Ethereum wallet that allows you to create a new Ethereum account, check the balance of an ERC20 token for a given Ethereum address, and fetch the market chart data for a given ERC20 contract.

Prerequisites

• Python 3.6 or higher
• Flask
• Web3
• requests

You can install the necessary Python packages using pip:

pip install flask web3 requests

Running the Application

1. Clone the repository and navigate to the project directory.
2. Replace 'YOUR_INFURA_PROJECT_ID', 'your-secret-key', and 'YOUR_PASSWORD' in the Python script with your actual Infura project ID, secret key, and password.
3. Run the application:

python app.py

4. Open a web browser and navigate to http://localhost:5000.

Endpoints

• GET /new_account: Creates a new Ethereum account and returns the private key and address.
• GET /balance/<contract_address>: Returns the balance of the ERC20 token for the Ethereum address stored in the session.
• POST /send_transaction: Send Ether to other Ethereum addresses
• GET /market_chart/<contract_address>/<days>: Returns the market chart data for the given ERC20 contract in USD for the specified number of days.

Files

• app.py: The main Python script that runs the application.
• erc20_abi.json: The ABI for the ERC20 token standard.
• templates/index.html: The HTML template for the application's user interface.

Output

For more details, please refer to the article published in the coingecko.