document the reason for the check

Uniswap · Oct 23, 2024 · fd74a08 · fd74a08
1 parent 475de19
commit fd74a08
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/ProtocolFees.sol b/src/ProtocolFees.sol
@@ -47,6 +47,7 @@ abstract contract ProtocolFees is IProtocolFees, Owned {
     {
         if (msg.sender != protocolFeeController) InvalidCaller.selector.revertWith();
         if (!currency.isAddressZero() && CurrencyReserves.getSyncedCurrency() == currency) {
+            // prevent transfer between the sync and settle balanceOfs (native settle uses msg.value)
             ProtocolFeeCurrencySynced.selector.revertWith();
         }