PART 1

Get the exchange rates to make an on chain token swap

npm install

node index.js

PART 2

Make the swap using JavaScript and 1inch dex aggregator.

ganache-cli -f https://mainnet.infura.io/v3/[YOUR INFURA KEY] -d -i 66 --unlock 0x78bc49be7bae5e0eec08780c86f0e8278b8b035b -l 8000000

npm install

node index.js