ECDSA node

React frontend that communicates with a Node.js server responsible for transferring balances between addresses by creating digital signatures with the appropriate private keys and verifying them on the backend.

It uses the Ethereum Cryptography library, specifically the elliptic curve operations on the curve secp256k1.

Usage

Client (React, Vite, Tailwind CSS)

1. Open the /client folder from terminal.
2. Run npm install to install all the dependencies.
3. Run npm run dev to start the application .
4. Visit the application at http://127.0.0.1:5173/.

Server (Express)

1. Open the /server folder from terminal.

2. Run npm install to install all the dependencies.

3. Get private key/address pairs by running npm run generate and copy them into accounts.config.json using the JSON structure below:

   {
     "address_1": {
       "label": "Account 1",
       "balance": 10,
       "privateKey": "privateKey_1"
     },
     "address_2": {
       "label": "Account 2",
       "balance": 20,
       "privateKey": "privateKey_2"
     }
   }
   

4. Run npm run dev to start the server.