Some people have written to me, but I’ll answer here. I’m currently root on the machine, but there’s a last step.
I suggest you to read up on smart contracts. It really doesn’t matter if you deploy your own in this scenario. The idea is to get a shell, remember that. So look at the name of the smart contract and think how would that be possible, then look at the options for the smart contract that you’ve got. The smart contract is all you see, but a process running on the computer is watching what happens with the smart contract, try to exploit that. Read up on web3