script

Overview

This section includes the following code:

• Source code runnable on ChainLink Functions.
• A simulation to test locally before uploading to ChainLink.
• Encryption methods to secure sensitive data like API keys.

Environment

To use the script, follow these steps.

1. NPM Install

$ npm install

Create node_modules in the project root.

2. Create Environment

$ npx env-enc set-pw

Enter the password for encrypting the environment variables.

$ npx env-enc set

Enter the key and value from the following table.

Key	Description
EMAIL	Email of the Authentication account with write permissions to Firestore
PASSWORD	Password for the registered email account
FIREBASE_API_KEY	Firebase api key
PRIVATE_KEY	Private key of the crypto wallet
ETHEREUM_RPC_URL	RPC URL of the network to be used
ROUTER_ADDRESS	Router Address of the network to be used
DON_ID	DON ID of the network to be used

Create .env.enc in the project root

Note: This project uses Arbitrum Sepolia

$ npx env-enc view

Check the entered environment variables

Secrets

Name	Description
CreateSecretsJson	Encrypts environment variables into a format that ChainLink can understand
EncryptedSecretsUrl	Encrypts the URL into a format that ChainLink can understand

Sources

Name	Description
CreateVoteSource	Stores vote data in Firestore
CloseVoteSource	Closing the voting