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Attendance (Arbitrum - Ethereum SC bridge interaction) (40p)

Objective: You need to register as class attendant with your name and wallet on Ethereum Sepolia. Use your FirstName and the first initial of the LastName.

Helpful info​

  • ⁠You were given some tokens which will be needed to register in the Onboarding SC;
  • ⁠⁠Calling the payAndReceive endpoint will give you the address on Ethereum Sepolia. Check the logs. Hint: you can find the payment fee in the storage of the contract, in the read tab (you may need to nominate that amount when you pass it as a parameter);
  • ⁠⁠Use the tokens received to bridge them to ETH Sepolia;
  • ⁠⁠There, you need to pay a fee (what you will bridge will be enough) in order to register your name and wallet. Hint: you can find the exact fee amount in the storage of the contract (you may need to nominate that amount when you pass it as a parameter);
  • ⁠⁠Lastly, once registered, you can call the endpoint attend;
  • ⁠Once your name is saved in the storage of the contract, your task is finished;
  • The first 5 addresses will receive extra points.

Given addresses​