easy5 pts · first answer countssolidityevm-fundamentals

What revert undoes

A function updates two storage variables and then hits a require that fails. What happens?

A.The first two updates are kept, and only later code is skippedB.The transaction is retried automatically in the next blockC.All state changes made in the call are rolled back, but the sender still pays for the gas usedD.All changes are rolled back and the sender gets the full fee refunded

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What revert undoes

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