README.md

Binary Cat

Blockchain

Requirements

• node 14.x

Setup

On project root folder:

$npm install

Starting the backend for prices data

• NodeJS - Express - SocketIO - MongoDB
• To start the server and get prices data for a specific interval from https://api.avax-test.network/ext/bc/C/rpc

1. cd backend
2. node index.js

Local Development

1. In the project root folder, create '.env' file with the following content. The file is excluded from the GH repo.

MONGODB_URI=mongodb+srv://binarycatUser:7gb4NntHWlSHETjE@cluster0.a8hop.mongodb.net/myFirstDatabase?retryWrites=true&w=majority

CURRENCY_FEED_URL=https://api.avax-test.network/ext/bc/C/rpc

CURRENCY_FEED_CONTRACT_ADDRESS=0x86d67c3D38D2bCeE722E601025C25a575021c6EA

CURRENCY_FEED_INTERVAL=30000

UPDATE_DB=off

2. Make sure to 'npm install' both in the project root and webapp folders

3. No need to deploy contracts or running local blockchain server. The local app is connecting to the test net. Just make sure you have MetaMask Binance Network and Account configured.

4. Start local node.js server by running 'npm run start_local' in the project root folder

5. Start webapp server by running 'webapp/yarn start'