README.md

Setup

npm install @types/node ts-node tslib typescript --save-dev

npm install @flashbots/ethers-provider-bundle
npm install ethers@^5.5.2

Run

env $(cat .env) npx ts-node src/index.ts

Note

Deployed contract (GOERLI): 0x04b10028affBB22Ae6d98efFFfAb2FEF18e65958

If the simulation returns the following error

simulation error: err: max fee per gas less than block base fee

You need to increase the maxFeePerGas in you tx. You submitted it with less than the baseFee, so nodes will reject it to mitigate DoS attacks.

If you use provider.getFeeData, you will get recommended fee suggestions.