signer-backend

This repository contains the code for a backend application that signs messages using the ethers library. The application provides a single endpoint for signing messages using a specified private key.

Installation and Setup

Clone the repository to your local machine:

git clone https://github.com/purefiprotocol/signer-backend.git

Navigate to the project directory:

cd ethers-signer-backend

Create a .env file in the project's root directory based on the .env.sample:

cp .env.sample .env

Add your private key to the .env file under the name SIGNER_PRIVATE_KEY. This key will be used for signing messages. The private key should be in hexadecimal format.

Install project dependencies using npm:

npm install

Running the Application Execute the following command to start the backend application:

npm run start

The application will run on port 5000.

Usage

To sign a message, send a POST request to the following URL:

http://localhost:5000/sign

Here is an example cURL request for signing a message:

curl -d '{"message":"test"}' -H "Content-Type: application/json" -H "Accept: application/json" -X POST http://localhost:5000/sign

The application will sign the provided message using the private key specified in the .env file and return the signature in JSON format.

License This project is licensed under the terms of the MIT License. For more information, see the LICENSE file.