update chainId type

Author: ali-behjati

IPyth.sol

@@ -17,14 +17,14 @@ interface IPyth {
     /// @param publishTime Publish time of the given price update.
     /// @param price Current price of the given price update.
     /// @param conf Current confidence interval of the given price update.
-    event PriceFeedUpdate(bytes32 indexed id, bool indexed fresh, int8 chainId, uint64 sequenceNumber, uint64 lastPublsihTime, uint64 publishTime, int64 price, uint64 conf);
+    event PriceFeedUpdate(bytes32 indexed id, bool indexed fresh, uint16 chainId, uint64 sequenceNumber, uint64 lastPublsihTime, 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(int8 chainId, uint64 sequenceNumber, uint batchSize, uint freshPricesInBatch);
+    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`).

IPythAbi.json

@@ -4,9 +4,9 @@
     "inputs": [
       {
         "indexed": false,
-        "internalType": "int8",
+        "internalType": "uint16",
         "name": "chainId",
-        "type": "int8"
+        "type": "uint16"
       },
       {
         "indexed": false,
@@ -47,9 +47,9 @@
       },
       {
         "indexed": false,
-        "internalType": "int8",
+        "internalType": "uint16",
         "name": "chainId",
-        "type": "int8"
+        "type": "uint16"
       },
       {
         "indexed": false,

MockPyth.sol

@@ -30,7 +30,7 @@ contract MockPyth is AbstractPyth {
 
         // 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.
-        int8 chainId = 1;
+        uint16 chainId = 1;
 
         for(uint i = 0; i < updateData.length; i++) {
             PythStructs.PriceFeed memory priceFeed = abi.decode(updateData[i], (PythStructs.PriceFeed));