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Error handling in Solidity

An error will undo all changes made to the state during a transaction.

- require is used to validate inputs and conditions before execution.
- revert is similar to require. See the code below for details.
- assert is used to check for code that should never be false.

Solidity:
- require: Input and condition validation.
- revert: Transaction cancellation and error message display.
- assert: Checking fundamental conditions that should never fail.
51 $DEGEN