Fix struct field names

ethereum/contracts/pyth/Pyth.sol

@@ -37,7 +37,7 @@ contract Pyth is PythGetters, PythSetters {
 
             PythStructs.PriceInfo memory latestPrice = latestPriceInfo(attestation.priceId);
 
-            if(attestation.timestamp > latestPrice.attestation_time) {
+            if(attestation.timestamp > latestPrice.attestationTime) {
                 setLatestPriceInfo(attestation.priceId, newPriceInfo(attestation));
             }
         }
@@ -45,11 +45,10 @@ contract Pyth is PythGetters, PythSetters {
         return batch;
     }
 
-    
     function newPriceInfo(PythStructs.PriceAttestation memory pa) private view returns (PythStructs.PriceInfo memory info) {
-        info.attestation_time = pa.timestamp;
-        info.arrival_time = block.timestamp;
-        info.arrival_block = block.number;
+        info.attestationTime = pa.timestamp;
+        info.arrivalTime = block.timestamp;
+        info.arrivalBlock = block.number;
         
         info.price.id = pa.priceId;
         info.price.price = pa.price;

ethereum/contracts/pyth/PythStructs.sol

@@ -60,8 +60,8 @@ contract PythStructs {
 
     struct PriceInfo {
         PythSDK.Price price;
-        uint256 attestation_time;
-        uint256 arrival_time;
-        uint256 arrival_block;
+        uint256 attestationTime;
+        uint256 arrivalTime;
+        uint256 arrivalBlock;
     }
 }

ethereum/test/pyth.js

@@ -241,7 +241,7 @@ contract("Pyth", function () {
         assert.equal(first.price.maxNumPublishers, 0);
         assert.equal(first.price.emaPrice, 1527);
         assert.equal(first.price.emaConf, 3);
-        assert.equal(first.attestation_time, 1647273460);
+        assert.equal(first.attestationTime, 1647273460);
 
         let second = await this.pythProxy.latestPriceInfo("0xfd4caca566fc44a9d6585420959d13897877c606477b3f0e7f247295b7275620");
         assert.equal(second.price.id, "0xfd4caca566fc44a9d6585420959d13897877c606477b3f0e7f247295b7275620");
@@ -254,7 +254,7 @@ contract("Pyth", function () {
         assert.equal(second.price.maxNumPublishers, 0);
         assert.equal(second.price.emaPrice, 1531);
         assert.equal(second.price.emaConf, 2);
-        assert.equal(second.attestation_time, 1647273460);
+        assert.equal(second.attestationTime, 1647273460);
     })
 
     it("should only cache updates for new prices", async function() {
@@ -302,7 +302,7 @@ contract("Pyth", function () {
         for (var i = 0; i < new_price_updates.length; i++) {
             const price_id = new_price_updates[i];
             assert.notEqual(prices_after_first_update[price_id].price.price, prices_after_second_update[price_id].price.price);
-            assert.notEqual(prices_after_first_update[price_id].attestation_time, prices_after_second_update[price_id].attestation_time);
+            assert.notEqual(prices_after_first_update[price_id].attestationTime, prices_after_second_update[price_id].attestationTime);
         }
 
         // Check that the old price updates have been discarded
@@ -316,8 +316,8 @@ contract("Pyth", function () {
             assert.equal(prices_after_first_update[price_id].price.maxNumPublishers, prices_after_second_update[price_id].price.maxNumPublishers);
             assert.equal(prices_after_first_update[price_id].price.emaPrice, prices_after_second_update[price_id].price.emaPrice);
             assert.equal(prices_after_first_update[price_id].price.emaConf, prices_after_second_update[price_id].price.emaConf);
-            assert.equal(prices_after_first_update[price_id].attestation_time, prices_after_second_update[price_id].attestation_time);
-            assert.equal(prices_after_first_update[price_id].arrival_time, prices_after_second_update[price_id].arrival_time);
+            assert.equal(prices_after_first_update[price_id].attestationTime, prices_after_second_update[price_id].attestationTime);
+            assert.equal(prices_after_first_update[price_id].arrivalTime, prices_after_second_update[price_id].arrivalTime);
         }
     })
 });