zkTender

Sealed-bid e-tendering system using Blockchain and Zero-knowledge proofs (ZKP).

Setup

Note: Use WSL or a Linux distro.

Clone the repository

$ git clone https://github.com/UltimateRoman/zkTender.git

Install dependencies

$ cd zkTender
$ npm i
$ npm run setup:circom

Compile circuits and contracts

$ npm run compile:circuits
$ npm run compile:contracts

Fix solidity version of verifier smart contract

$ npm run version:fix

Add .env file

Create a .env file in /packages/hardhat directory based on .env.example

Deploy contracts

(Deploy locally)

$ npm run deploy:local

(or to Polygon Mumbai Testnet)

$ npm run deploy:mumbai

Start the backend API

$ npm run start:api

Add .env.local file

Create a .env.local file in /packages/next-app directory based on .env.local.example

Run the frontend application

$ npm run dev

Visit localhost:3000 in your web browser.