From c0092d0d7095440e83fb72ab500d7b6999a6febb Mon Sep 17 00:00:00 2001
From: Tanapol Hongsuwan <tawan11432@gmail.com>
Date: Wed, 27 Dec 2023 14:42:34 +0700
Subject: [PATCH] added contract_en.md

---
 docs/contract_en.md | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/docs/contract_en.md b/docs/contract_en.md
index e69de29b..a6967033 100644
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+# 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)](https://docs.circom.io/getting-started/installation/)
+2. [snarkjs (a JavaScript library for computing zero-knowledge proofs)](https://www.npmjs.com/package/snarkjs)
+
+Install NPM:
+
+```shell
+$ 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
+```
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