refactor: use custom error type instead of error strings #18
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The
onlyBridge
modifier uses strings as error messages which are expensive in gas.This commit refactors this to use a custom error type instead and also introduces some basic tests to ensure the errors are emitted properly.
It also adds some sanity tests for minting and burning bridge tokens.
Checklist
Ensure you completed all of the steps below before submitting your pull request:
forge snapshot
?pnpm lint
?forge test
?