pahor167

> According to [celo-org/celo-blockchain-planning#172 (comment)](https://github.com/celo-org/celo-blockchain-planning/issues/172#issuecomment-2066858102), we should extract an `IFeeCurrencyDirectory` interface from this contract. I think that should include > > * getCurrencies > * getCurrencyConfig > * getExchangeRate >...

> The `currencyIdentifier` feels like something that does not belong into the FeeCurrencyDirectory, since it depends on the oracle. I could image oracles having all kind of identifiers: > >...

Hi, Could you please share whether there is any timeline when to address this issue ?

> Thanks for the contribution @pahor167 , could you address the issues @chong-he found? Thanks for review, I'm looking into it

I believe this PR is not necessary since we want to keep these functions even in L2