cleanup

Author: jayantk

target_chains/ethereum/contracts/contracts/entropy/Entropy.sol

@@ -661,6 +661,11 @@ abstract contract Entropy is IEntropy, EntropyState {
             providerAddr
         ];
 
+        // Providers charge a minimum of their configured feeInWei for every request. 
+        // Requests using more than the defaultGasLimit get a proportionally scaled fee.
+        // This approach may be somewhat simplistic, but it allows us to continue using the
+        // existing feeInWei parameter for the callback failure flow instead of defining new 
+        // configuration values.
         uint32 roundedGasLimit = uint32(roundGas(gasLimit)) * 10000;
         if (
             provider.defaultGasLimit > 0 &&

target_chains/ethereum/entropy_sdk/solidity/EntropyEvents.sol

@@ -39,16 +39,6 @@ interface EntropyEvents {
         bytes errorCode
     );
 
-    event CallbackOutOfGas(
-        address indexed provider,
-        address indexed requestor,
-        uint64 indexed sequenceNumber,
-        bytes32 userRandomNumber,
-        bytes32 providerRevelation,
-        bytes32 randomNumber,
-        bytes errorCode
-    );
-
     event ProviderFeeUpdated(address provider, uint128 oldFee, uint128 newFee);
 
     event ProviderDefaultGasLimitUpdated(