Remove unneccsary events and event fields

MockPyth.sol

@@ -41,37 +41,27 @@ contract MockPyth is AbstractPyth {
             require(success, "failed to transfer update fee");
         }
 
-        uint freshPrices = 0;
-
         // Chain ID is id of the source chain that the price update comes from. Since it is just a mock contract
         // We set it to 1.
         uint16 chainId = 1;
 
         for(uint i = 0; i < updateData.length; i++) {
             PythStructs.PriceFeed memory priceFeed = abi.decode(updateData[i], (PythStructs.PriceFeed));
 
-            bool fresh = false;
             uint lastPublishTime = priceFeeds[priceFeed.id].price.publishTime;
 
             if (lastPublishTime < priceFeed.price.publishTime) {
                 // Price information is more recent than the existing price information.
-                fresh = true;
                 priceFeeds[priceFeed.id] = priceFeed;
-                freshPrices += 1;
+                emit PriceFeedUpdate(priceFeed.id, uint64(lastPublishTime), priceFeed.price.price, priceFeed.price.conf);
             }
-
-            emit PriceFeedUpdate(priceFeed.id, fresh, chainId, sequenceNumber, priceFeed.price.publishTime,
-                lastPublishTime, priceFeed.price.price, priceFeed.price.conf);
         }
 
         // In the real contract, the input of this function contains multiple batches that each contain multiple prices.
         // This event is emitted when a batch is processed. In this mock contract we consider there is only one batch of prices.
         // Each batch has (chainId, sequenceNumber) as it's unique identifier. Here chainId is set to 1 and an increasing sequence number is used.
-        emit BatchPriceFeedUpdate(chainId, sequenceNumber, updateData.length, freshPrices);
+        emit BatchPriceFeedUpdate(chainId, sequenceNumber);
         sequenceNumber += 1;
-
-        // There is only 1 batch of prices
-        emit UpdatePriceFeeds(msg.sender, 1, requiredFee);
     }
 
     function getUpdateFee(bytes[] calldata updateData) public override view returns (uint feeAmount) {

PythEvents.sol

@@ -4,26 +4,13 @@ pragma solidity ^0.8.0;
 interface PythEvents {
     /// @dev Emitted when an update for price feed with `id` is processed successfully.
     /// @param id The Pyth Price Feed ID.
-    /// @param fresh True if the price update is more recent and stored.
-    /// @param chainId ID of the source chain that the batch price update containing this price.
-    /// This value comes from Wormhole, and you can find the corresponding chains at https://docs.wormholenetwork.com/wormhole/contracts.
-    /// @param sequenceNumber Sequence number of the batch price update containing this price.
-    /// @param lastPublishTime Publish time of the previously stored price.
     /// @param publishTime Publish time of the given price update.
     /// @param price Price of the given price update.
     /// @param conf Confidence interval of the given price update.
-    event PriceFeedUpdate(bytes32 indexed id, bool indexed fresh, uint16 chainId, uint64 sequenceNumber, uint lastPublishTime, uint publishTime, int64 price, uint64 conf);
+    event PriceFeedUpdate(bytes32 indexed id, uint64 publishTime, int64 price, uint64 conf);
 
     /// @dev Emitted when a batch price update is processed successfully.
     /// @param chainId ID of the source chain that the batch price update comes from.
     /// @param sequenceNumber Sequence number of the batch price update.
-    /// @param batchSize Number of prices within the batch price update.
-    /// @param freshPricesInBatch Number of prices that were more recent and were stored.
-    event BatchPriceFeedUpdate(uint16 chainId, uint64 sequenceNumber, uint batchSize, uint freshPricesInBatch);
-
-    /// @dev Emitted when a call to `updatePriceFeeds` is processed successfully.
-    /// @param sender Sender of the call (`msg.sender`).
-    /// @param batchCount Number of batches that this function processed.
-    /// @param fee Amount of paid fee for updating the prices.
-    event UpdatePriceFeeds(address indexed sender, uint batchCount, uint fee);
+    event BatchPriceFeedUpdate(uint16 chainId, uint64 sequenceNumber);
 }