This project use Node.js v18+, using experimental json file import as ES module.
The sample code comes from Uniswap V3 create a trade.
Please create your own free account at Alchemy, insert the HTTPS RPC endpoint at src/index.ts, line const provider = new ethers.providers.JsonRpcProvider({RPC_endpoint}).
# make sure you installed Node.js v18+ (in order to support import json file as ES6 module)
node -v
# sample output: v18.12.1
# create your environment file and put in your RPC api url
cp .env-sample .env
# install tsc (typescript) as global npm module
npm install -g typescript
# install node modules
npm install
# build + run (auto router quote)
npm run start
# build + run (single-pool quote)
npm run start-single-pool
# @dev in order to control code formatting, please also install `prettier` global npm module,
# it will use .prettierrc config to format your code on save
npm install -g prettier