contract_en.md

Setting Up Contract Development Environment (Until Test Code Execution)

Installing Necessary Libraries

Install the following two libraries by following their respective instructions. Be aware that snarkjs should be installed globally.

1. circom (a language for writing zero-knowledge proof circuits)
2. snarkjs (a JavaScript library for computing zero-knowledge proofs)

Install NPM:

$ cd hardhat
$ pwd
~/hardhat
$ yarn

Building the Zero-Knowledge Proof Circuit

$ yarn build:circuit

Setting Up .env

$ cp .env.example .env

Compilation and Test Execution

$ yarn test