Read the smart contract Vault.sol, try to steal all eth from the vault.
You can write a hacker contract and add some code to pass the forge test .
you need understand following knowledge points:
- reentrance
- ABI encoding
- delegatecall
$ anvilforge script script/Vault.s.sol --rpc-url http://127.0.0.1:8545 --broadcastforge test -vvv