Deploy the attack contract contract:
yarn hardhat ignition deploy ignition/modules/03CoinFlip.ts --network sepolia
Pick the adders of the contract, then go to the file .env there put the adderss of the contract of the chalenge in the variable ADDRS_COINFLIP_OG and the adderss of the contract that you deploy before in the variable ADDRS_COINFLIP_ATTACK, afther this run the scrip bellow 10 times;
yarn hardhat run src/03-coin-flip.ts
Finaly submit the answer
var pwned = web3.utils.keccak256("pwn()")
contract.sendTransaction({data:pwned})