Approve full amount of RARI tokens to new RARI token contract here
spender = 0xCf78572A8fE97b2B9a4B9709f6a7D9a863c1b8E0 (This is new RARI token contract address on Arbitrum)amount = amount of old RARI tokens you own (You can check it here, read balanceOf value and send your wallet address)write
Invoke wrap function here
account = your wallet addressamount = amount of tokens you own and approvedwrite
After invoking the second transaction you should own new RARI token on Arbitrum